95b1559618c1fb02041d6288251026d32ca4bd00
[xonotic/darkplaces.git] / sv_main.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // sv_main.c -- server main program
21
22 #include "quakedef.h"
23 #include "sv_demo.h"
24 #include "libcurl.h"
25 #include "csprogs.h"
26
27 static void SV_SaveEntFile_f(void);
28 static void SV_StartDownload_f(void);
29 static void SV_Download_f(void);
30 static void SV_VM_Setup(void);
31 extern cvar_t net_connecttimeout;
32
33 void VM_CustomStats_Clear (void);
34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
35
36 cvar_t sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
37 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
38 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
39 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
40
41 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
42 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
43 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
44 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
45 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
46 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
47 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
48 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
49 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
50 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
51 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
52
53 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
54 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
55 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
56 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
57 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
58 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
59 cvar_t sv_airspeedlimit_nonqw = {0, "sv_airspeedlimit_nonqw", "0", "when set, this is a soft speed limit while in air when using airaccel_qw not equal to 1"};
60 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
61 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
62 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
63 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
64 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
65 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
66 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
67 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
68 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
69 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
70 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
71 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "128", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
72 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
73 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
74 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
75 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
76 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
77 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
78 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
79 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
80 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
81 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
82 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
83 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
84 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
85 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
86 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
87 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
88 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
89 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
90 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
91 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
92 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
93 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
94 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
95 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
96 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
97 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
98 cvar_t sv_gameplayfix_consistentplayerprethink = {0, "sv_gameplayfix_consistentplayerprethink", "0", "improves fairness in multiplayer by running all PlayerPreThink functions (which fire weapons) before performing physics, then running all PlayerPostThink functions"};
99 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
100 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
101 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
102 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
103 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
104 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
105 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
106 cvar_t sv_gameplayfix_multiplethinksperframe = {0, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
107 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses, items, etc) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
108 cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems = {0, "sv_gameplayfix_noairborncorpse_allowsuspendeditems", "1", "causes entities sitting ontop of objects that are instantaneously remove to float in midair (special hack to allow a common level design trick for floating items)"};
109 cvar_t sv_gameplayfix_nudgeoutofsolid = {0, "sv_gameplayfix_nudgeoutofsolid", "1", "attempts to fix physics errors (where an object ended up in solid for some reason)"};
110 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
111 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
112 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
113 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
114 cvar_t sv_gameplayfix_slidemoveprojectiles = {0, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
115 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
116 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
117 cvar_t sv_gameplayfix_stepmultipletimes = {0, "sv_gameplayfix_stepmultipletimes", "0", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
118 cvar_t sv_gameplayfix_nostepmoveonsteepslopes = {0, "sv_gameplayfix_nostepmoveonsteepslopes", "0", "grude fix which prevents MOVETYPE_STEP (not swimming or flying) to move on slopes whose angle is bigger than 45 degree"};
119 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
120 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
121 cvar_t sv_gameplayfix_downtracesupportsongroundflag = {0, "sv_gameplayfix_downtracesupportsongroundflag", "1", "prevents very short moves from clearing onground (which may make the player stick to the floor at high netfps)"};
122 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
123 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
124 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
125 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
126 cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
127 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
128 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
129 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
130 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
131 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
132 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
133 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
134 cvar_t sv_random_seed = {0, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
135 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
136 cvar_t sv_sound_land = {0, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
137 cvar_t sv_sound_watersplash = {0, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
138 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
139 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
140 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
141 cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
142 cvar_t sv_waterfriction = {CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
143 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
144 cvar_t sv_warsowbunny_accel = {0, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
145 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
146 cvar_t sv_warsowbunny_turnaccel = {0, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
147 cvar_t sv_warsowbunny_backtosideratio = {0, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
148 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
149 cvar_t sys_ticrate = {CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
150 cvar_t teamplay = {CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
151 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
152
153 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
154 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
155 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
156 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
157 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
158 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
159 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
160 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
161 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
162 cvar_t temp1 = {0, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
163
164 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
165 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
166 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
167 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
168 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
169 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
170 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
171 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
172 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
173 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
174 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
175 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
176 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
177 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
178 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
179 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
180 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
181 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
182 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
183 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
184 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
185
186 cvar_t sv_autodemo_perclient = {CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
187 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
188 cvar_t sv_autodemo_perclient_discardable = {CVAR_SAVE, "sv_autodemo_perclient_discardable", "0", "Allow game code to decide whether a demo should be kept or discarded."};
189
190 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
191
192 server_t sv;
193 server_static_t svs;
194
195 mempool_t *sv_mempool = NULL;
196
197 extern cvar_t slowmo;
198 extern float            scr_centertime_off;
199
200 // MUST match effectnameindex_t in client.h
201 static const char *standardeffectnames[EFFECT_TOTAL] =
202 {
203         "",
204         "TE_GUNSHOT",
205         "TE_GUNSHOTQUAD",
206         "TE_SPIKE",
207         "TE_SPIKEQUAD",
208         "TE_SUPERSPIKE",
209         "TE_SUPERSPIKEQUAD",
210         "TE_WIZSPIKE",
211         "TE_KNIGHTSPIKE",
212         "TE_EXPLOSION",
213         "TE_EXPLOSIONQUAD",
214         "TE_TAREXPLOSION",
215         "TE_TELEPORT",
216         "TE_LAVASPLASH",
217         "TE_SMALLFLASH",
218         "TE_FLAMEJET",
219         "EF_FLAME",
220         "TE_BLOOD",
221         "TE_SPARK",
222         "TE_PLASMABURN",
223         "TE_TEI_G3",
224         "TE_TEI_SMOKE",
225         "TE_TEI_BIGEXPLOSION",
226         "TE_TEI_PLASMAHIT",
227         "EF_STARDUST",
228         "TR_ROCKET",
229         "TR_GRENADE",
230         "TR_BLOOD",
231         "TR_WIZSPIKE",
232         "TR_SLIGHTBLOOD",
233         "TR_KNIGHTSPIKE",
234         "TR_VORESPIKE",
235         "TR_NEHAHRASMOKE",
236         "TR_NEXUIZPLASMA",
237         "TR_GLOWTRAIL",
238         "SVC_PARTICLE"
239 };
240
241 #define SV_REQFUNCS 0
242 #define sv_reqfuncs NULL
243
244 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
245 //static const char *sv_reqfuncs[] = {
246 //};
247
248 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
249
250 prvm_required_field_t sv_reqfields[] =
251 {
252         {ev_entity, "aiment"}, // server field
253         {ev_entity, "clientcamera"}, // server field
254         {ev_entity, "cursor_trace_ent"}, // server field
255         {ev_entity, "drawonlytoclient"}, // server field
256         {ev_entity, "enemy"}, // server field
257         {ev_entity, "exteriormodeltoclient"}, // server field
258         {ev_entity, "nodrawtoclient"}, // server field
259         {ev_entity, "tag_entity"}, // server field
260         {ev_entity, "viewmodelforclient"}, // server field
261         {ev_float, "SendFlags"}, // server field
262         {ev_float, "Version"}, // server field
263         {ev_float, "alpha"}, // server field
264         {ev_float, "ammo_cells1"}, // server field
265         {ev_float, "ammo_lava_nails"}, // server field
266         {ev_float, "ammo_multi_rockets"}, // server field
267         {ev_float, "ammo_nails1"}, // server field
268         {ev_float, "ammo_plasma"}, // server field
269         {ev_float, "ammo_rockets1"}, // server field
270         {ev_float, "ammo_shells1"}, // server field
271         {ev_float, "bouncefactor"}, // server field
272         {ev_float, "bouncestop"}, // server field
273         {ev_float, "button3"}, // server field
274         {ev_float, "button4"}, // server field
275         {ev_float, "button5"}, // server field
276         {ev_float, "button6"}, // server field
277         {ev_float, "button7"}, // server field
278         {ev_float, "button8"}, // server field
279         {ev_float, "button9"}, // server field
280         {ev_float, "button10"}, // server field
281         {ev_float, "button11"}, // server field
282         {ev_float, "button12"}, // server field
283         {ev_float, "button13"}, // server field
284         {ev_float, "button14"}, // server field
285         {ev_float, "button15"}, // server field
286         {ev_float, "button16"}, // server field
287         {ev_float, "buttonchat"}, // server field
288         {ev_float, "buttonuse"}, // server field
289         {ev_float, "clientcolors"}, // server field
290         {ev_float, "cursor_active"}, // server field
291         {ev_float, "disableclientprediction"}, // server field
292         {ev_float, "discardabledemo"}, // server field
293         {ev_float, "dphitcontentsmask"}, // server field
294         {ev_float, "frame1time"}, // server field
295         {ev_float, "frame1time"}, // server field
296         {ev_float, "frame2time"}, // server field
297         {ev_float, "frame2time"}, // server field
298         {ev_float, "frame2"}, // server field
299         {ev_float, "frame2"}, // server field
300         {ev_float, "frame3time"}, // server field
301         {ev_float, "frame3time"}, // server field
302         {ev_float, "frame3"}, // server field
303         {ev_float, "frame3"}, // server field
304         {ev_float, "frame4time"}, // server field
305         {ev_float, "frame4time"}, // server field
306         {ev_float, "frame4"}, // server field
307         {ev_float, "frame4"}, // server field
308         {ev_float, "frame"}, // server field
309         {ev_float, "fullbright"}, // server field
310         {ev_float, "glow_color"}, // server field
311         {ev_float, "glow_size"}, // server field
312         {ev_float, "glow_trail"}, // server field
313         {ev_float, "gravity"}, // server field
314         {ev_float, "gravity"}, // server field
315         {ev_float, "ideal_yaw"}, // server field
316         {ev_float, "idealpitch"}, // server field
317         {ev_float, "items2"}, // server field
318         {ev_float, "jointtype"}, // server field
319         {ev_float, "lerpfrac3"}, // server field
320         {ev_float, "lerpfrac3"}, // server field
321         {ev_float, "lerpfrac4"}, // server field
322         {ev_float, "lerpfrac4"}, // server field
323         {ev_float, "lerpfrac"}, // server field
324         {ev_float, "lerpfrac"}, // server field
325         {ev_float, "light_lev"}, // server field
326         {ev_float, "mass"}, // server field
327         {ev_float, "modelflags"}, // server field
328         {ev_float, "modelindex"}, // server field
329         {ev_float, "movetype"}, // server field
330         {ev_float, "pflags"}, // server field
331         {ev_float, "ping_movementloss"}, // server field
332         {ev_float, "ping_packetloss"}, // server field
333         {ev_float, "ping"}, // server field
334         {ev_float, "pitch_speed"}, // server field
335         {ev_float, "pmodel"}, // server field
336         {ev_float, "renderamt"}, // server field
337         {ev_float, "scale"}, // server field
338         {ev_float, "scale"}, // server field
339         {ev_float, "sendcomplexanimation"}, // server field
340         {ev_float, "skeletonindex"}, // server field
341         {ev_float, "skeletonindex"}, // server field
342         {ev_float, "solid"}, // server field
343         {ev_float, "style"}, // server field
344         {ev_float, "tag_index"}, // server field
345         {ev_float, "viewzoom"}, // server field
346         {ev_float, "yaw_speed"}, // server field
347         {ev_function, "SendEntity"}, // server field
348         {ev_function, "camera_transform"}, // server field
349         {ev_function, "contentstransition"}, // server field
350         {ev_function, "customizeentityforclient"}, // server field
351         {ev_function, "movetypesteplandevent"}, // server field
352         {ev_string, "classname"}, // server field
353         {ev_string, "clientstatus"}, // server field
354         {ev_string, "crypto_encryptmethod"}, // server field
355         {ev_string, "crypto_idfp"}, // server field
356         {ev_string, "crypto_keyfp"}, // server field
357         {ev_string, "crypto_mykeyfp"}, // server field
358         {ev_string, "crypto_signmethod"}, // server field
359         {ev_string, "netaddress"}, // server field
360         {ev_string, "playermodel"}, // server field
361         {ev_string, "playerskin"}, // server field
362         {ev_vector, "angles"}, // server field
363         {ev_vector, "avelocity"}, // server field
364         {ev_vector, "colormod"}, // server field
365         {ev_vector, "color"}, // server field
366         {ev_vector, "cursor_screen"}, // server field
367         {ev_vector, "cursor_trace_endpos"}, // server field
368         {ev_vector, "cursor_trace_start"}, // server field
369         {ev_vector, "glowmod"}, // server field
370         {ev_vector, "maxs"}, // server field
371         {ev_vector, "mins"}, // server field
372         {ev_vector, "movedir"}, // server field
373         {ev_vector, "movement"}, // server field
374         {ev_vector, "origin"}, // server field
375         {ev_vector, "punchvector"}, // server field
376         {ev_vector, "velocity"}, // server field
377 };
378
379 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
380
381 prvm_required_field_t sv_reqglobals[] =
382 {
383         {ev_entity, "self"}, // server global
384         {ev_entity, "trace_ent"}, // server global
385         {ev_float, "gettaginfo_parent"}, // server global
386         {ev_float, "require_spawnfunc_prefix"}, // server global
387         {ev_float, "trace_allsolid"}, // server global
388         {ev_float, "trace_dphitcontents"}, // server global
389         {ev_float, "trace_dphitq3surfaceflags"}, // server global
390         {ev_float, "trace_dpstartcontents"}, // server global
391         {ev_float, "trace_fraction"}, // server global
392         {ev_float, "trace_inopen"}, // server global
393         {ev_float, "trace_inwater"}, // server global
394         {ev_float, "trace_plane_dist"}, // server global
395         {ev_float, "trace_startsolid"}, // server global
396         {ev_string, "SV_InitCmd"}, // server global
397         {ev_string, "gettaginfo_name"}, // server global
398         {ev_string, "trace_dphittexturename"}, // server global
399         {ev_string, "worldstatus"}, // server global
400         {ev_vector, "gettaginfo_forward"}, // server global
401         {ev_vector, "gettaginfo_offset"}, // server global
402         {ev_vector, "gettaginfo_right"}, // server global
403         {ev_vector, "gettaginfo_up"}, // server global
404         {ev_vector, "trace_endpos"}, // server global
405         {ev_vector, "trace_plane_normal"}, // server global
406         {ev_vector, "v_forward"}, // server global
407         {ev_vector, "v_right"}, // server global
408         {ev_vector, "v_up"}, // server global
409 };
410
411
412
413 //============================================================================
414
415 void SV_AreaStats_f(void)
416 {
417         World_PrintAreaStats(&sv.world, "server");
418 }
419
420 /*
421 ===============
422 SV_Init
423 ===============
424 */
425 void SV_Init (void)
426 {
427         // init the csqc progs cvars, since they are updated/used by the server code
428         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
429         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
430         extern cvar_t csqc_progcrc;
431         extern cvar_t csqc_progsize;
432
433         Cvar_RegisterVariable(&sv_worldmessage);
434         Cvar_RegisterVariable(&sv_worldname);
435         Cvar_RegisterVariable(&sv_worldnamenoextension);
436         Cvar_RegisterVariable(&sv_worldbasename);
437
438         Cvar_RegisterVariable (&csqc_progname);
439         Cvar_RegisterVariable (&csqc_progcrc);
440         Cvar_RegisterVariable (&csqc_progsize);
441
442         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
443         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
444         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
445         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
446
447         Cvar_RegisterVariable (&coop);
448         Cvar_RegisterVariable (&deathmatch);
449         Cvar_RegisterVariable (&fraglimit);
450         Cvar_RegisterVariable (&gamecfg);
451         Cvar_RegisterVariable (&noexit);
452         Cvar_RegisterVariable (&nomonsters);
453         Cvar_RegisterVariable (&pausable);
454         Cvar_RegisterVariable (&pr_checkextension);
455         Cvar_RegisterVariable (&samelevel);
456         Cvar_RegisterVariable (&skill);
457         Cvar_RegisterVariable (&slowmo);
458         Cvar_RegisterVariable (&sv_accelerate);
459         Cvar_RegisterVariable (&sv_aim);
460         Cvar_RegisterVariable (&sv_airaccel_qw);
461         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
462         Cvar_RegisterVariable (&sv_airaccelerate);
463         Cvar_RegisterVariable (&sv_airstopaccelerate);
464         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
465         Cvar_RegisterVariable (&sv_maxairstrafespeed);
466         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
467         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
468         Cvar_RegisterVariable (&sv_aircontrol);
469         Cvar_RegisterVariable (&sv_aircontrol_power);
470         Cvar_RegisterVariable (&sv_aircontrol_penalty);
471         Cvar_RegisterVariable (&sv_allowdownloads);
472         Cvar_RegisterVariable (&sv_allowdownloads_archive);
473         Cvar_RegisterVariable (&sv_allowdownloads_config);
474         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
475         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
476         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
477         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
478         Cvar_RegisterVariable (&sv_clmovement_enable);
479         Cvar_RegisterVariable (&sv_clmovement_minping);
480         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
481         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
482         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
483         Cvar_RegisterVariable (&sv_cullentities_pvs);
484         Cvar_RegisterVariable (&sv_cullentities_stats);
485         Cvar_RegisterVariable (&sv_cullentities_trace);
486         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
487         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
488         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
489         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
490         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
491         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
492         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
493         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
494         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
495         Cvar_RegisterVariable (&sv_debugmove);
496         Cvar_RegisterVariable (&sv_echobprint);
497         Cvar_RegisterVariable (&sv_edgefriction);
498         Cvar_RegisterVariable (&sv_entpatch);
499         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
500         Cvar_RegisterVariable (&sv_freezenonclients);
501         Cvar_RegisterVariable (&sv_friction);
502         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
503         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
504         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
505         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
506         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
507         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
508         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
509         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
510         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
511         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
512         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
513         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
514         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
515         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
516         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
517         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
518         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
519         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
520         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
521         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
522         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
523         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
524         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
525         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
526         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
527         Cvar_RegisterVariable (&sv_gravity);
528         Cvar_RegisterVariable (&sv_idealpitchscale);
529         Cvar_RegisterVariable (&sv_jumpstep);
530         Cvar_RegisterVariable (&sv_jumpvelocity);
531         Cvar_RegisterVariable (&sv_maxairspeed);
532         Cvar_RegisterVariable (&sv_maxrate);
533         Cvar_RegisterVariable (&sv_maxspeed);
534         Cvar_RegisterVariable (&sv_maxvelocity);
535         Cvar_RegisterVariable (&sv_nostep);
536         Cvar_RegisterVariable (&sv_playerphysicsqc);
537         Cvar_RegisterVariable (&sv_progs);
538         Cvar_RegisterVariable (&sv_protocolname);
539         Cvar_RegisterVariable (&sv_random_seed);
540         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
541         Cvar_RegisterVariable (&sv_sound_land);
542         Cvar_RegisterVariable (&sv_sound_watersplash);
543         Cvar_RegisterVariable (&sv_stepheight);
544         Cvar_RegisterVariable (&sv_stopspeed);
545         Cvar_RegisterVariable (&sv_wallfriction);
546         Cvar_RegisterVariable (&sv_wateraccelerate);
547         Cvar_RegisterVariable (&sv_waterfriction);
548         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
549         Cvar_RegisterVariable (&sv_warsowbunny_accel);
550         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
551         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
552         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
553         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
554         Cvar_RegisterVariable (&sys_ticrate);
555         Cvar_RegisterVariable (&teamplay);
556         Cvar_RegisterVariable (&timelimit);
557
558         Cvar_RegisterVariable (&saved1);
559         Cvar_RegisterVariable (&saved2);
560         Cvar_RegisterVariable (&saved3);
561         Cvar_RegisterVariable (&saved4);
562         Cvar_RegisterVariable (&savedgamecfg);
563         Cvar_RegisterVariable (&scratch1);
564         Cvar_RegisterVariable (&scratch2);
565         Cvar_RegisterVariable (&scratch3);
566         Cvar_RegisterVariable (&scratch4);
567         Cvar_RegisterVariable (&temp1);
568
569         // LordHavoc: Nehahra uses these to pass data around cutscene demos
570         Cvar_RegisterVariable (&nehx00);
571         Cvar_RegisterVariable (&nehx01);
572         Cvar_RegisterVariable (&nehx02);
573         Cvar_RegisterVariable (&nehx03);
574         Cvar_RegisterVariable (&nehx04);
575         Cvar_RegisterVariable (&nehx05);
576         Cvar_RegisterVariable (&nehx06);
577         Cvar_RegisterVariable (&nehx07);
578         Cvar_RegisterVariable (&nehx08);
579         Cvar_RegisterVariable (&nehx09);
580         Cvar_RegisterVariable (&nehx10);
581         Cvar_RegisterVariable (&nehx11);
582         Cvar_RegisterVariable (&nehx12);
583         Cvar_RegisterVariable (&nehx13);
584         Cvar_RegisterVariable (&nehx14);
585         Cvar_RegisterVariable (&nehx15);
586         Cvar_RegisterVariable (&nehx16);
587         Cvar_RegisterVariable (&nehx17);
588         Cvar_RegisterVariable (&nehx18);
589         Cvar_RegisterVariable (&nehx19);
590         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
591
592         Cvar_RegisterVariable (&sv_autodemo_perclient);
593         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
594         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
595
596         Cvar_RegisterVariable (&halflifebsp);
597
598         sv_mempool = Mem_AllocPool("server", 0, NULL);
599 }
600
601 static void SV_SaveEntFile_f(void)
602 {
603         if (!sv.active || !sv.worldmodel)
604         {
605                 Con_Print("Not running a server\n");
606                 return;
607         }
608         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
609 }
610
611
612 /*
613 =============================================================================
614
615 EVENT MESSAGES
616
617 =============================================================================
618 */
619
620 /*
621 ==================
622 SV_StartParticle
623
624 Make sure the event gets sent to all clients
625 ==================
626 */
627 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
628 {
629         int i;
630
631         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
632                 return;
633         MSG_WriteByte (&sv.datagram, svc_particle);
634         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
635         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
636         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
637         for (i=0 ; i<3 ; i++)
638                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
639         MSG_WriteByte (&sv.datagram, count);
640         MSG_WriteByte (&sv.datagram, color);
641         SV_FlushBroadcastMessages();
642 }
643
644 /*
645 ==================
646 SV_StartEffect
647
648 Make sure the event gets sent to all clients
649 ==================
650 */
651 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
652 {
653         if (modelindex >= 256 || startframe >= 256)
654         {
655                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
656                         return;
657                 MSG_WriteByte (&sv.datagram, svc_effect2);
658                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
659                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
660                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
661                 MSG_WriteShort (&sv.datagram, modelindex);
662                 MSG_WriteShort (&sv.datagram, startframe);
663                 MSG_WriteByte (&sv.datagram, framecount);
664                 MSG_WriteByte (&sv.datagram, framerate);
665         }
666         else
667         {
668                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
669                         return;
670                 MSG_WriteByte (&sv.datagram, svc_effect);
671                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
672                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
673                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
674                 MSG_WriteByte (&sv.datagram, modelindex);
675                 MSG_WriteByte (&sv.datagram, startframe);
676                 MSG_WriteByte (&sv.datagram, framecount);
677                 MSG_WriteByte (&sv.datagram, framerate);
678         }
679         SV_FlushBroadcastMessages();
680 }
681
682 /*
683 ==================
684 SV_StartSound
685
686 Each entity can have eight independant sound sources, like voice,
687 weapon, feet, etc.
688
689 Channel 0 is an auto-allocate channel, the others override anything
690 already running on that entity/channel pair.
691
692 An attenuation of 0 will play full volume everywhere in the level.
693 Larger attenuations will drop off.  (max 4 attenuation)
694
695 ==================
696 */
697 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
698 {
699         int sound_num, field_mask, i, ent;
700
701         if (volume < 0 || volume > 255)
702         {
703                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
704                 return;
705         }
706
707         if (attenuation < 0 || attenuation > 4)
708         {
709                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
710                 return;
711         }
712
713         if (channel < 0 || channel > 7)
714         {
715                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
716                 return;
717         }
718
719         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
720                 return;
721
722 // find precache number for sound
723         sound_num = SV_SoundIndex(sample, 1);
724         if (!sound_num)
725                 return;
726
727         ent = PRVM_NUM_FOR_EDICT(entity);
728
729         field_mask = 0;
730         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
731                 field_mask |= SND_VOLUME;
732         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
733                 field_mask |= SND_ATTENUATION;
734         if (ent >= 8192)
735                 field_mask |= SND_LARGEENTITY;
736         if (sound_num >= 256 || channel >= 8)
737                 field_mask |= SND_LARGESOUND;
738
739 // directed messages go only to the entity they are targeted on
740         MSG_WriteByte (&sv.datagram, svc_sound);
741         MSG_WriteByte (&sv.datagram, field_mask);
742         if (field_mask & SND_VOLUME)
743                 MSG_WriteByte (&sv.datagram, volume);
744         if (field_mask & SND_ATTENUATION)
745                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
746         if (field_mask & SND_LARGEENTITY)
747         {
748                 MSG_WriteShort (&sv.datagram, ent);
749                 MSG_WriteByte (&sv.datagram, channel);
750         }
751         else
752                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
753         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
754                 MSG_WriteShort (&sv.datagram, sound_num);
755         else
756                 MSG_WriteByte (&sv.datagram, sound_num);
757         for (i = 0;i < 3;i++)
758                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
759         SV_FlushBroadcastMessages();
760 }
761
762 /*
763 ==================
764 SV_StartPointSound
765
766 Nearly the same logic as SV_StartSound, except an origin
767 instead of an entity is provided and channel is omitted.
768
769 The entity sent to the client is 0 (world) and the channel
770 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
771 function, therefore the check for it is omitted.
772
773 ==================
774 */
775 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
776 {
777         int sound_num, field_mask, i;
778
779         if (volume < 0 || volume > 255)
780         {
781                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
782                 return;
783         }
784
785         if (attenuation < 0 || attenuation > 4)
786         {
787                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
788                 return;
789         }
790
791         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
792                 return;
793
794         // find precache number for sound
795         sound_num = SV_SoundIndex(sample, 1);
796         if (!sound_num)
797                 return;
798
799         field_mask = 0;
800         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
801                 field_mask |= SND_VOLUME;
802         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
803                 field_mask |= SND_ATTENUATION;
804         if (sound_num >= 256)
805                 field_mask |= SND_LARGESOUND;
806
807 // directed messages go only to the entity they are targeted on
808         MSG_WriteByte (&sv.datagram, svc_sound);
809         MSG_WriteByte (&sv.datagram, field_mask);
810         if (field_mask & SND_VOLUME)
811                 MSG_WriteByte (&sv.datagram, volume);
812         if (field_mask & SND_ATTENUATION)
813                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
814         // Always write entnum 0 for the world entity
815         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
816         if (field_mask & SND_LARGESOUND)
817                 MSG_WriteShort (&sv.datagram, sound_num);
818         else
819                 MSG_WriteByte (&sv.datagram, sound_num);
820         for (i = 0;i < 3;i++)
821                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
822         SV_FlushBroadcastMessages();
823 }
824
825 /*
826 ==============================================================================
827
828 CLIENT SPAWNING
829
830 ==============================================================================
831 */
832
833 /*
834 ================
835 SV_SendServerinfo
836
837 Sends the first message from the server to a connected client.
838 This will be sent on the initial connection and upon each server load.
839 ================
840 */
841 void SV_SendServerinfo (client_t *client)
842 {
843         int i;
844         char message[128];
845
846         // we know that this client has a netconnection and thus is not a bot
847
848         // edicts get reallocated on level changes, so we need to update it here
849         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
850
851         // clear cached stuff that depends on the level
852         client->weaponmodel[0] = 0;
853         client->weaponmodelindex = 0;
854
855         // LordHavoc: clear entityframe tracking
856         client->latestframenum = 0;
857
858         // initialize the movetime, so a speedhack can't make use of the time before this client joined
859         client->cmd.time = sv.time;
860
861         if (client->entitydatabase)
862                 EntityFrame_FreeDatabase(client->entitydatabase);
863         if (client->entitydatabase4)
864                 EntityFrame4_FreeDatabase(client->entitydatabase4);
865         if (client->entitydatabase5)
866                 EntityFrame5_FreeDatabase(client->entitydatabase5);
867
868         memset(client->stats, 0, sizeof(client->stats));
869         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
870
871         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
872         {
873                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
874                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
875                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
876                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
877                 else
878                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
879         }
880
881         // reset csqc entity versions
882         for (i = 0;i < prog->max_edicts;i++)
883         {
884                 client->csqcentityscope[i] = 0;
885                 client->csqcentitysendflags[i] = 0xFFFFFF;
886                 client->csqcentityglobalhistory[i] = 0;
887         }
888         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
889         {
890                 client->csqcentityframehistory[i].num = 0;
891                 client->csqcentityframehistory[i].framenum = -1;
892         }
893         client->csqcnumedicts = 0;
894         client->csqcentityframehistory_next = 0;
895
896         SZ_Clear (&client->netconnection->message);
897         MSG_WriteByte (&client->netconnection->message, svc_print);
898         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
899         MSG_WriteString (&client->netconnection->message,message);
900
901         SV_StopDemoRecording(client); // to split up demos into different files
902         if(sv_autodemo_perclient.integer && client->netconnection)
903         {
904                 char demofile[MAX_OSPATH];
905                 char ipaddress[MAX_QPATH];
906                 size_t i;
907
908                 // start a new demo file
909                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
910                 for(i = 0; ipaddress[i]; ++i)
911                         if(!isalnum(ipaddress[i]))
912                                 ipaddress[i] = '-';
913                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), sv.worldbasename, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
914
915                 SV_StartDemoRecording(client, demofile, -1);
916         }
917
918         //[515]: init csprogs according to version of svprogs, check the crc, etc.
919         if (sv.csqc_progname[0])
920         {
921                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
922                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
923                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
924                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
925                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
926                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
927                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
928
929                 if(client->sv_demo_file != NULL)
930                 {
931                         int i;
932                         static char buf[NET_MAXMESSAGE];
933                         sizebuf_t sb;
934
935                         sb.data = (unsigned char *) buf;
936                         sb.maxsize = sizeof(buf);
937                         i = 0;
938                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
939                                 SV_WriteDemoMessage(client, &sb, false);
940                 }
941
942                 //[515]: init stufftext string (it is sent before svc_serverinfo)
943                 if (PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd)))
944                 {
945                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
946                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd))));
947                 }
948         }
949
950         //if (sv_allowdownloads.integer)
951         // always send the info that the server supports the protocol, even if downloads are forbidden
952         // only because of that, the CSQC exception can work
953         {
954                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
955                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
956         }
957
958         // send at this time so it's guaranteed to get executed at the right time
959         {
960                 client_t *save;
961                 save = host_client;
962                 host_client = client;
963                 Curl_SendRequirements();
964                 host_client = save;
965         }
966
967         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
968         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
969         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
970
971         if (!coop.integer && deathmatch.integer)
972                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
973         else
974                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
975
976         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
977
978         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
979                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
980         MSG_WriteByte (&client->netconnection->message, 0);
981
982         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
983                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
984         MSG_WriteByte (&client->netconnection->message, 0);
985
986 // send music
987         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
988         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
989         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
990
991 // set view
992 // store this in clientcamera, too
993         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
994         MSG_WriteByte (&client->netconnection->message, svc_setview);
995         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
996
997         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
998         MSG_WriteByte (&client->netconnection->message, 1);
999
1000         client->spawned = false;                // need prespawn, spawn, etc
1001         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
1002
1003         // clear movement info until client enters the new level properly
1004         memset(&client->cmd, 0, sizeof(client->cmd));
1005         client->movesequence = 0;
1006         client->movement_highestsequence_seen = 0;
1007         memset(&client->movement_count, 0, sizeof(client->movement_count));
1008 #ifdef NUM_PING_TIMES
1009         for (i = 0;i < NUM_PING_TIMES;i++)
1010                 client->ping_times[i] = 0;
1011         client->num_pings = 0;
1012 #endif
1013         client->ping = 0;
1014
1015         // allow the client some time to send his keepalives, even if map loading took ages
1016         client->netconnection->timeout = realtime + net_connecttimeout.value;
1017 }
1018
1019 /*
1020 ================
1021 SV_ConnectClient
1022
1023 Initializes a client_t for a new net connection.  This will only be called
1024 once for a player each game, not once for each level change.
1025 ================
1026 */
1027 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1028 {
1029         client_t                *client;
1030         int                             i;
1031
1032         client = svs.clients + clientnum;
1033
1034 // set up the client_t
1035         if (sv.loadgame)
1036         {
1037                 float backupparms[NUM_SPAWN_PARMS];
1038                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1039                 memset(client, 0, sizeof(*client));
1040                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1041         }
1042         else
1043                 memset(client, 0, sizeof(*client));
1044         client->active = true;
1045         client->netconnection = netconnection;
1046
1047         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1048
1049         if(client->netconnection && client->netconnection->crypto.authenticated)
1050         {
1051                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1052                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1053                                 client->netconnection->address,
1054                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1055                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1056                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1057                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1058                                 );
1059         }
1060
1061         strlcpy(client->name, "unconnected", sizeof(client->name));
1062         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1063         client->spawned = false;
1064         client->edict = PRVM_EDICT_NUM(clientnum+1);
1065         if (client->netconnection)
1066                 client->netconnection->message.allowoverflow = true;            // we can catch it
1067         // prepare the unreliable message buffer
1068         client->unreliablemsg.data = client->unreliablemsg_data;
1069         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1070         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1071         client->rate = 1000000000;
1072         // no limits for local player
1073         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1074                 client->rate = 1000000000;
1075         client->connecttime = realtime;
1076
1077         if (!sv.loadgame)
1078         {
1079                 // call the progs to get default spawn parms for the new client
1080                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1081                 prog->globals.server->self = 0;
1082                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1083                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1084                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1085
1086                 // set up the entity for this client (including .colormap, .team, etc)
1087                 PRVM_ED_ClearEdict(client->edict);
1088         }
1089
1090         // don't call SendServerinfo for a fresh botclient because its fields have
1091         // not been set up by the qc yet
1092         if (client->netconnection)
1093                 SV_SendServerinfo (client);
1094         else
1095                 client->spawned = true;
1096 }
1097
1098
1099 /*
1100 ===============================================================================
1101
1102 FRAME UPDATES
1103
1104 ===============================================================================
1105 */
1106
1107 /*
1108 =============================================================================
1109
1110 The PVS must include a small area around the client to allow head bobbing
1111 or other small motion on the client side.  Otherwise, a bob might cause an
1112 entity that should be visible to not show up, especially when the bob
1113 crosses a waterline.
1114
1115 =============================================================================
1116 */
1117
1118 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1119 {
1120         int i;
1121         unsigned int sendflags;
1122         unsigned int version;
1123         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1124         unsigned int customizeentityforclient;
1125         unsigned int sendentity;
1126         float f;
1127         float *v;
1128         vec3_t cullmins, cullmaxs;
1129         dp_model_t *model;
1130
1131         // fast path for games that do not use legacy entity networking
1132         // note: still networks clients even if they are legacy
1133         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1134         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1135                 return false;
1136
1137         // this 2 billion unit check is actually to detect NAN origins
1138         // (we really don't want to send those)
1139         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1140                 return false;
1141
1142         // EF_NODRAW prevents sending for any reason except for your own
1143         // client, so we must keep all clients in this superset
1144         effects = (unsigned)ent->fields.server->effects;
1145
1146         // we can omit invisible entities with no effects that are not clients
1147         // LordHavoc: this could kill tags attached to an invisible entity, I
1148         // just hope we never have to support that case
1149         i = (int)ent->fields.server->modelindex;
1150         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1151
1152         flags = 0;
1153         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1154         glowsize = (unsigned char)bound(0, i, 255);
1155         if (PRVM_serveredictfloat(ent, glow_trail))
1156                 flags |= RENDER_GLOWTRAIL;
1157         if (PRVM_serveredictedict(ent, viewmodelforclient))
1158                 flags |= RENDER_VIEWMODEL;
1159
1160         v = PRVM_serveredictvector(ent, color);
1161         f = v[0]*256;
1162         light[0] = (unsigned short)bound(0, f, 65535);
1163         f = v[1]*256;
1164         light[1] = (unsigned short)bound(0, f, 65535);
1165         f = v[2]*256;
1166         light[2] = (unsigned short)bound(0, f, 65535);
1167         f = PRVM_serveredictfloat(ent, light_lev);
1168         light[3] = (unsigned short)bound(0, f, 65535);
1169         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1170         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1171
1172         if (gamemode == GAME_TENEBRAE)
1173         {
1174                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1175                 if (effects & 16)
1176                 {
1177                         effects &= ~16;
1178                         lightpflags |= PFLAGS_FULLDYNAMIC;
1179                 }
1180                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1181                 if (effects & 32)
1182                 {
1183                         effects &= ~32;
1184                         light[0] = (int)(0.2*256);
1185                         light[1] = (int)(1.0*256);
1186                         light[2] = (int)(0.2*256);
1187                         light[3] = 200;
1188                         lightpflags |= PFLAGS_FULLDYNAMIC;
1189                 }
1190         }
1191
1192         specialvisibilityradius = 0;
1193         if (lightpflags & PFLAGS_FULLDYNAMIC)
1194                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1195         if (glowsize)
1196                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1197         if (flags & RENDER_GLOWTRAIL)
1198                 specialvisibilityradius = max(specialvisibilityradius, 100);
1199         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1200         {
1201                 if (effects & EF_BRIGHTFIELD)
1202                         specialvisibilityradius = max(specialvisibilityradius, 80);
1203                 if (effects & EF_MUZZLEFLASH)
1204                         specialvisibilityradius = max(specialvisibilityradius, 100);
1205                 if (effects & EF_BRIGHTLIGHT)
1206                         specialvisibilityradius = max(specialvisibilityradius, 400);
1207                 if (effects & EF_DIMLIGHT)
1208                         specialvisibilityradius = max(specialvisibilityradius, 200);
1209                 if (effects & EF_RED)
1210                         specialvisibilityradius = max(specialvisibilityradius, 200);
1211                 if (effects & EF_BLUE)
1212                         specialvisibilityradius = max(specialvisibilityradius, 200);
1213                 if (effects & EF_FLAME)
1214                         specialvisibilityradius = max(specialvisibilityradius, 250);
1215                 if (effects & EF_STARDUST)
1216                         specialvisibilityradius = max(specialvisibilityradius, 100);
1217         }
1218
1219         // early culling checks
1220         // (final culling is done by SV_MarkWriteEntityStateToClient)
1221         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1222         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1223                 return false;
1224
1225         *cs = defaultstate;
1226         cs->active = ACTIVE_NETWORK;
1227         cs->number = enumber;
1228         VectorCopy(ent->fields.server->origin, cs->origin);
1229         VectorCopy(ent->fields.server->angles, cs->angles);
1230         cs->flags = flags;
1231         cs->effects = effects;
1232         cs->colormap = (unsigned)ent->fields.server->colormap;
1233         cs->modelindex = modelindex;
1234         cs->skin = (unsigned)ent->fields.server->skin;
1235         cs->frame = (unsigned)ent->fields.server->frame;
1236         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1237         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1238         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1239         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1240         cs->customizeentityforclient = customizeentityforclient;
1241         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1242         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1243         cs->glowsize = glowsize;
1244
1245         // don't need to init cs->colormod because the defaultstate did that for us
1246         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1247         v = PRVM_serveredictvector(ent, colormod);
1248         if (VectorLength2(v))
1249         {
1250                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1251                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1252                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1253         }
1254
1255         // don't need to init cs->glowmod because the defaultstate did that for us
1256         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1257         v = PRVM_serveredictvector(ent, glowmod);
1258         if (VectorLength2(v))
1259         {
1260                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1261                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1262                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1263         }
1264
1265         cs->modelindex = modelindex;
1266
1267         cs->alpha = 255;
1268         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1269         if (f)
1270         {
1271                 i = (int)f;
1272                 cs->alpha = (unsigned char)bound(0, i, 255);
1273         }
1274         // halflife
1275         f = (PRVM_serveredictfloat(ent, renderamt));
1276         if (f)
1277         {
1278                 i = (int)f;
1279                 cs->alpha = (unsigned char)bound(0, i, 255);
1280         }
1281
1282         cs->scale = 16;
1283         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1284         if (f)
1285         {
1286                 i = (int)f;
1287                 cs->scale = (unsigned char)bound(0, i, 255);
1288         }
1289
1290         cs->glowcolor = 254;
1291         f = PRVM_serveredictfloat(ent, glow_color);
1292         if (f)
1293                 cs->glowcolor = (int)f;
1294
1295         if (PRVM_serveredictfloat(ent, fullbright))
1296                 cs->effects |= EF_FULLBRIGHT;
1297
1298         f = PRVM_serveredictfloat(ent, modelflags);
1299         if (f)
1300                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1301
1302         if (ent->fields.server->movetype == MOVETYPE_STEP)
1303                 cs->flags |= RENDER_STEP;
1304         if (cs->number != sv.writeentitiestoclient_cliententitynumber && (cs->effects & EF_LOWPRECISION) && cs->origin[0] >= -32768 && cs->origin[1] >= -32768 && cs->origin[2] >= -32768 && cs->origin[0] <= 32767 && cs->origin[1] <= 32767 && cs->origin[2] <= 32767)
1305                 cs->flags |= RENDER_LOWPRECISION;
1306         if (ent->fields.server->colormap >= 1024)
1307                 cs->flags |= RENDER_COLORMAPPED;
1308         if (cs->viewmodelforclient)
1309                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1310
1311         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1312         {
1313                 cs->flags |= RENDER_COMPLEXANIMATION;
1314                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1315                         cs->skeletonobject = ent->priv.server->skeleton;
1316                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1317                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1318                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1319                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1320                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1321                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1322                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1323                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1324                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1325                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1326                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1327                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1328         }
1329
1330         cs->light[0] = light[0];
1331         cs->light[1] = light[1];
1332         cs->light[2] = light[2];
1333         cs->light[3] = light[3];
1334         cs->lightstyle = lightstyle;
1335         cs->lightpflags = lightpflags;
1336
1337         cs->specialvisibilityradius = specialvisibilityradius;
1338
1339         // calculate the visible box of this entity (don't use the physics box
1340         // as that is often smaller than a model, and would not count
1341         // specialvisibilityradius)
1342         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1343         {
1344                 float scale = cs->scale * (1.0f / 16.0f);
1345                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1346                 {
1347                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1348                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1349                 }
1350                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1351                 {
1352                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1353                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1354                 }
1355                 else
1356                 {
1357                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1358                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1359                 }
1360         }
1361         else
1362         {
1363                 // if there is no model (or it could not be loaded), use the physics box
1364                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1365                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1366         }
1367         if (specialvisibilityradius)
1368         {
1369                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1370                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1371                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1372                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1373                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1374                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1375         }
1376
1377         // calculate center of bbox for network prioritization purposes
1378         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1379
1380         // if culling box has moved, update pvs cluster links
1381         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1382         {
1383                 VectorCopy(cullmins, ent->priv.server->cullmins);
1384                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1385                 // a value of -1 for pvs_numclusters indicates that the links are not
1386                 // cached, and should be re-tested each time, this is the case if the
1387                 // culling box touches too many pvs clusters to store, or if the world
1388                 // model does not support FindBoxClusters
1389                 ent->priv.server->pvs_numclusters = -1;
1390                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1391                 {
1392                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1393                         if (i <= MAX_ENTITYCLUSTERS)
1394                                 ent->priv.server->pvs_numclusters = i;
1395                 }
1396         }
1397
1398         // we need to do some csqc entity upkeep here
1399         // get self.SendFlags and clear them
1400         // (to let the QC know that they've been read)
1401         if (sendentity)
1402         {
1403                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1404                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1405                 // legacy self.Version system
1406                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1407                 {
1408                         if (sv.csqcentityversion[enumber] != version)
1409                                 sendflags = 0xFFFFFF;
1410                         sv.csqcentityversion[enumber] = version;
1411                 }
1412                 // move sendflags into the per-client sendflags
1413                 if (sendflags)
1414                         for (i = 0;i < svs.maxclients;i++)
1415                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1416                 // mark it as inactive for non-csqc networking
1417                 cs->active = ACTIVE_SHARED;
1418         }
1419
1420         return true;
1421 }
1422
1423 void SV_PrepareEntitiesForSending(void)
1424 {
1425         int e;
1426         prvm_edict_t *ent;
1427         // send all entities that touch the pvs
1428         sv.numsendentities = 0;
1429         sv.sendentitiesindex[0] = NULL;
1430         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1431         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1432         {
1433                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1434                 {
1435                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1436                         sv.numsendentities++;
1437                 }
1438         }
1439 }
1440
1441 #define MAX_LINEOFSIGHTTRACES 64
1442
1443 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1444 {
1445         float pitchsign;
1446         float alpha;
1447         float starttransformed[3], endtransformed[3];
1448         int blocked = 0;
1449         int traceindex;
1450         int originalnumtouchedicts;
1451         int numtouchedicts = 0;
1452         int touchindex;
1453         matrix4x4_t matrix, imatrix;
1454         dp_model_t *model;
1455         prvm_edict_t *touch;
1456         static prvm_edict_t *touchedicts[MAX_EDICTS];
1457         vec3_t boxmins, boxmaxs;
1458         vec3_t clipboxmins, clipboxmaxs;
1459         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1460
1461         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1462
1463         // expand the box a little
1464         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1465         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1466         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1467         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1468         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1469         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1470
1471         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1472         for (traceindex = 1;traceindex < numtraces;traceindex++)
1473                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1474
1475         // calculate sweep box for the entire swarm of traces
1476         VectorCopy(eye, clipboxmins);
1477         VectorCopy(eye, clipboxmaxs);
1478         for (traceindex = 0;traceindex < numtraces;traceindex++)
1479         {
1480                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1481                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1482                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1483                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1484                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1485                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1486         }
1487
1488         // get the list of entities in the sweep box
1489         if (sv_cullentities_trace_entityocclusion.integer)
1490                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1491         if (numtouchedicts > MAX_EDICTS)
1492         {
1493                 // this never happens
1494                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1495                 numtouchedicts = MAX_EDICTS;
1496         }
1497         // iterate the entities found in the sweep box and filter them
1498         originalnumtouchedicts = numtouchedicts;
1499         numtouchedicts = 0;
1500         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1501         {
1502                 touch = touchedicts[touchindex];
1503                 if (touch->fields.server->solid != SOLID_BSP)
1504                         continue;
1505                 model = SV_GetModelFromEdict(touch);
1506                 if (!model || !model->brush.TraceLineOfSight)
1507                         continue;
1508                 // skip obviously transparent entities
1509                 alpha = PRVM_serveredictfloat(touch, alpha);
1510                 if (alpha && alpha < 1)
1511                         continue;
1512                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1513                         continue;
1514                 touchedicts[numtouchedicts++] = touch;
1515         }
1516
1517         // now that we have a filtered list of "interesting" entities, fire each
1518         // ray against all of them, this gives us an early-out case when something
1519         // is visible (which it often is)
1520
1521         for (traceindex = 0;traceindex < numtraces;traceindex++)
1522         {
1523                 // check world occlusion
1524                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1525                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1526                                 continue;
1527                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1528                 {
1529                         touch = touchedicts[touchindex];
1530                         model = SV_GetModelFromEdict(touch);
1531                         if(model && model->brush.TraceLineOfSight)
1532                         {
1533                                 // get the entity matrix
1534                                 pitchsign = SV_GetPitchSign(touch);
1535                                 Matrix4x4_CreateFromQuakeEntity(&matrix, touch->fields.server->origin[0], touch->fields.server->origin[1], touch->fields.server->origin[2], pitchsign * touch->fields.server->angles[0], touch->fields.server->angles[1], touch->fields.server->angles[2], 1);
1536                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1537                                 // see if the ray hits this entity
1538                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1539                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1540                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1541                                 {
1542                                         blocked++;
1543                                         break;
1544                                 }
1545                         }
1546                 }
1547                 // check if the ray was blocked
1548                 if (touchindex < numtouchedicts)
1549                         continue;
1550                 // return if the ray was not blocked
1551                 return true;
1552         }
1553
1554         // no rays survived
1555         return false;
1556 }
1557
1558 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1559 {
1560         int isbmodel;
1561         dp_model_t *model;
1562         prvm_edict_t *ed;
1563         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1564                 return;
1565         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1566         sv.writeentitiestoclient_stats_totalentities++;
1567
1568         if (s->customizeentityforclient)
1569         {
1570                 prog->globals.server->self = s->number;
1571                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1572                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1573                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1574                         return;
1575         }
1576
1577         // never reject player
1578         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1579         {
1580                 // check various rejection conditions
1581                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1582                         return;
1583                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1584                         return;
1585                 if (s->effects & EF_NODRAW)
1586                         return;
1587                 // LordHavoc: only send entities with a model or important effects
1588                 if (!s->modelindex && s->specialvisibilityradius == 0)
1589                         return;
1590
1591                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1592                 // viewmodels don't have visibility checking
1593                 if (s->viewmodelforclient)
1594                 {
1595                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1596                                 return;
1597                 }
1598                 else if (s->tagentity)
1599                 {
1600                         // tag attached entities simply check their parent
1601                         if (!sv.sendentitiesindex[s->tagentity])
1602                                 return;
1603                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1604                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1605                                 return;
1606                 }
1607                 // always send world submodels in newer protocols because they don't
1608                 // generate much traffic (in old protocols they hog bandwidth)
1609                 // but only if sv_cullentities_nevercullbmodels is off
1610                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1611                 {
1612                         // entity has survived every check so far, check if visible
1613                         ed = PRVM_EDICT_NUM(s->number);
1614
1615                         // if not touching a visible leaf
1616                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1617                         {
1618                                 if (ed->priv.server->pvs_numclusters < 0)
1619                                 {
1620                                         // entity too big for clusters list
1621                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1622                                         {
1623                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1624                                                 return;
1625                                         }
1626                                 }
1627                                 else
1628                                 {
1629                                         int i;
1630                                         // check cached clusters list
1631                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1632                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1633                                                         break;
1634                                         if (i == ed->priv.server->pvs_numclusters)
1635                                         {
1636                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1637                                                 return;
1638                                         }
1639                                 }
1640                         }
1641
1642                         // or not seen by random tracelines
1643                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1644                         {
1645                                 int samples =
1646                                         s->number <= svs.maxclients
1647                                                 ? sv_cullentities_trace_samples_players.integer
1648                                                 :
1649                                         s->specialvisibilityradius
1650                                                 ? sv_cullentities_trace_samples_extra.integer
1651                                                 : sv_cullentities_trace_samples.integer;
1652                                 float enlarge = sv_cullentities_trace_enlarge.value;
1653
1654                                 if(samples > 0)
1655                                 {
1656                                         int eyeindex;
1657                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1658                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1659                                                         break;
1660                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1661                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1662                                                         realtime + (
1663                                                                 s->number <= svs.maxclients
1664                                                                         ? sv_cullentities_trace_delay_players.value
1665                                                                         : sv_cullentities_trace_delay.value
1666                                                         );
1667                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1668                                         {
1669                                                 sv.writeentitiestoclient_stats_culled_trace++;
1670                                                 return;
1671                                         }
1672                                 }
1673                         }
1674                 }
1675         }
1676
1677         // this just marks it for sending
1678         // FIXME: it would be more efficient to send here, but the entity
1679         // compressor isn't that flexible
1680         sv.writeentitiestoclient_stats_visibleentities++;
1681         sv.sententities[s->number] = sv.sententitiesmark;
1682 }
1683
1684 #if MAX_LEVELNETWORKEYES > 0
1685 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1686 void SV_AddCameraEyes(void)
1687 {
1688         int e, i, j, k;
1689         prvm_edict_t *ed;
1690         static int cameras[MAX_LEVELNETWORKEYES];
1691         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1692         static int eye_levels[MAX_CLIENTNETWORKEYES];
1693         int n_cameras = 0;
1694         vec3_t mi, ma;
1695
1696         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1697                 eye_levels[i] = 0;
1698
1699         // check line of sight to portal entities and add them to PVS
1700         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1701         {
1702                 if (!ed->priv.server->free)
1703                 {
1704                         if(PRVM_serveredictfunction(ed, camera_transform))
1705                         {
1706                                 prog->globals.server->self = e;
1707                                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1708                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1709                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1710                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1711                                 PRVM_ExecuteProgram(PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1712                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1713                                 {
1714                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1715                                         cameras[n_cameras] = e;
1716                                         ++n_cameras;
1717                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1718                                                 break;
1719                                 }
1720                         }
1721                 }
1722         }
1723
1724         if(!n_cameras)
1725                 return;
1726
1727         // i is loop counter, is reset to 0 when an eye got added
1728         // j is camera index to check
1729         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1730         {
1731                 if(!cameras[j])
1732                         continue;
1733                 ed = PRVM_EDICT_NUM(cameras[j]);
1734                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1735                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1736                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1737                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1738                 {
1739                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1740                         {
1741                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1742                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1743                                 // Con_Printf("added eye %d: %f %f %f because we can see %f %f %f .. %f %f %f from eye %d\n", j, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][0], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][1], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes][2], mi[0], mi[1], mi[2], ma[0], ma[1], ma[2], k);
1744                                 sv.writeentitiestoclient_numeyes++;
1745                                 cameras[j] = 0;
1746                                 i = 0;
1747                                 break;
1748                         }
1749                 }
1750         }
1751 }
1752 #else
1753 void SV_AddCameraEyes(void)
1754 {
1755 }
1756 #endif
1757
1758 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1759 {
1760         qboolean need_empty = false;
1761         int i, numsendstates, numcsqcsendstates;
1762         entity_state_t *s;
1763         prvm_edict_t *camera;
1764         qboolean success;
1765         vec3_t eye;
1766
1767         // if there isn't enough space to accomplish anything, skip it
1768         if (msg->cursize + 25 > maxsize)
1769                 return;
1770
1771         sv.writeentitiestoclient_msg = msg;
1772         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1773
1774         sv.writeentitiestoclient_stats_culled_pvs = 0;
1775         sv.writeentitiestoclient_stats_culled_trace = 0;
1776         sv.writeentitiestoclient_stats_visibleentities = 0;
1777         sv.writeentitiestoclient_stats_totalentities = 0;
1778         sv.writeentitiestoclient_numeyes = 0;
1779
1780         // get eye location
1781         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1782         camera = PRVM_EDICT_NUM( client->clientcamera );
1783         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1784         sv.writeentitiestoclient_pvsbytes = 0;
1785         // get the PVS values for the eye location, later FatPVS calls will merge
1786         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1787                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1788
1789         // add the eye to a list for SV_CanSeeBox tests
1790         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1791         sv.writeentitiestoclient_numeyes++;
1792
1793         // calculate predicted eye origin for SV_CanSeeBox tests
1794         if (sv_cullentities_trace_prediction.integer)
1795         {
1796                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1797                 vec3_t predeye;
1798                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1799                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1800                 {
1801                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1802                         sv.writeentitiestoclient_numeyes++;
1803                 }
1804                 //if (!sv.writeentitiestoclient_useprediction)
1805                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1806         }
1807
1808         SV_AddCameraEyes();
1809
1810         // build PVS from the new eyes
1811         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1812                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1813                         sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv.writeentitiestoclient_eyes[i], 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1814
1815         sv.sententitiesmark++;
1816
1817         for (i = 0;i < sv.numsendentities;i++)
1818                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1819
1820         numsendstates = 0;
1821         numcsqcsendstates = 0;
1822         for (i = 0;i < sv.numsendentities;i++)
1823         {
1824                 s = &sv.sendentities[i];
1825                 if (sv.sententities[s->number] == sv.sententitiesmark)
1826                 {
1827                         if(s->active == ACTIVE_NETWORK)
1828                         {
1829                                 if (s->exteriormodelforclient)
1830                                 {
1831                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1832                                                 s->flags |= RENDER_EXTERIORMODEL;
1833                                         else
1834                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1835                                 }
1836                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1837                         }
1838                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1839                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1840                         else
1841                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1842                 }
1843         }
1844
1845         if (sv_cullentities_stats.integer)
1846                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv.writeentitiestoclient_stats_totalentities, sv.writeentitiestoclient_stats_visibleentities, sv.writeentitiestoclient_stats_culled_pvs + sv.writeentitiestoclient_stats_culled_trace, sv.writeentitiestoclient_stats_culled_pvs, sv.writeentitiestoclient_stats_culled_trace);
1847
1848         if(client->entitydatabase5)
1849                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1850         else
1851                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1852
1853         if(client->num_skippedentityframes >= 10)
1854                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1855
1856         if (client->entitydatabase5)
1857                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1858         else if (client->entitydatabase4)
1859         {
1860                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1861                 Protocol_WriteStatsReliable();
1862         }
1863         else if (client->entitydatabase)
1864         {
1865                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1866                 Protocol_WriteStatsReliable();
1867         }
1868         else
1869         {
1870                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1871                 Protocol_WriteStatsReliable();
1872         }
1873
1874         if(success)
1875                 client->num_skippedentityframes = 0;
1876         else
1877                 ++client->num_skippedentityframes;
1878 }
1879
1880 /*
1881 =============
1882 SV_CleanupEnts
1883
1884 =============
1885 */
1886 static void SV_CleanupEnts (void)
1887 {
1888         int             e;
1889         prvm_edict_t    *ent;
1890
1891         ent = PRVM_NEXT_EDICT(prog->edicts);
1892         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1893                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1894 }
1895
1896 /*
1897 ==================
1898 SV_WriteClientdataToMessage
1899
1900 ==================
1901 */
1902 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1903 {
1904         int             bits;
1905         int             i;
1906         prvm_edict_t    *other;
1907         int             items;
1908         vec3_t  punchvector;
1909         int             viewzoom;
1910         const char *s;
1911         float   *statsf = (float *)stats;
1912         float gravity;
1913
1914 //
1915 // send a damage message
1916 //
1917         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1918         {
1919                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1920                 MSG_WriteByte (msg, svc_damage);
1921                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1922                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1923                 for (i=0 ; i<3 ; i++)
1924                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1925
1926                 ent->fields.server->dmg_take = 0;
1927                 ent->fields.server->dmg_save = 0;
1928         }
1929
1930 //
1931 // send the current viewpos offset from the view entity
1932 //
1933         SV_SetIdealPitch ();            // how much to look up / down ideally
1934
1935 // a fixangle might get lost in a dropped packet.  Oh well.
1936         if(ent->fields.server->fixangle)
1937         {
1938                 // angle fixing was requested by global thinking code...
1939                 // so store the current angles for later use
1940                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1941                 host_client->fixangle_angles_set = TRUE;
1942
1943                 // and clear fixangle for the next frame
1944                 ent->fields.server->fixangle = 0;
1945         }
1946
1947         if (host_client->fixangle_angles_set)
1948         {
1949                 MSG_WriteByte (msg, svc_setangle);
1950                 for (i=0 ; i < 3 ; i++)
1951                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1952                 host_client->fixangle_angles_set = FALSE;
1953         }
1954
1955         // stuff the sigil bits into the high bits of items for sbar, or else
1956         // mix in items2
1957         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1958                 items = (int)ent->fields.server->items | ((int)PRVM_serveredictfloat(ent, items2) << 23);
1959         else
1960                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1961
1962         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
1963
1964         // cache weapon model name and index in client struct to save time
1965         // (this search can be almost 1% of cpu time!)
1966         s = PRVM_GetString(ent->fields.server->weaponmodel);
1967         if (strcmp(s, client->weaponmodel))
1968         {
1969                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1970                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1971         }
1972
1973         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
1974         if (viewzoom == 0)
1975                 viewzoom = 255;
1976
1977         bits = 0;
1978
1979         if ((int)ent->fields.server->flags & FL_ONGROUND)
1980                 bits |= SU_ONGROUND;
1981         if (ent->fields.server->waterlevel >= 2)
1982                 bits |= SU_INWATER;
1983         if (ent->fields.server->idealpitch)
1984                 bits |= SU_IDEALPITCH;
1985
1986         for (i=0 ; i<3 ; i++)
1987         {
1988                 if (ent->fields.server->punchangle[i])
1989                         bits |= (SU_PUNCH1<<i);
1990                 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
1991                         if (punchvector[i])
1992                                 bits |= (SU_PUNCHVEC1<<i);
1993                 if (ent->fields.server->velocity[i])
1994                         bits |= (SU_VELOCITY1<<i);
1995         }
1996
1997         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
1998
1999         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
2000         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
2001         stats[STAT_ITEMS] = items;
2002         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
2003         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
2004         stats[STAT_WEAPON] = client->weaponmodelindex;
2005         stats[STAT_HEALTH] = (int)ent->fields.server->health;
2006         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
2007         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
2008         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
2009         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
2010         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
2011         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
2012         stats[STAT_VIEWZOOM] = viewzoom;
2013         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
2014         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
2015         // the QC bumps these itself by sending svc_'s, so we have to keep them
2016         // zero or they'll be corrected by the engine
2017         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
2018         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
2019
2020         // movement settings for prediction
2021         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2022         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2023                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2024                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2025                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2026         ;
2027         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2028         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2029         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2030         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2031         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2032         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2033         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2034         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2035         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2036         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2037         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2038         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2039         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2040         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2041         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2042         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2043         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2044         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2045         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2046         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2047         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2048         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2049         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2050         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2051         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2052         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2053         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2054         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2055         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2056         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2057         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2058         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2059         statsf[STAT_TIMELIMIT] = timelimit.value;
2060
2061         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2062         {
2063                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2064                 bits |= SU_ITEMS;
2065                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2066                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2067                 bits |= SU_WEAPON;
2068                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2069                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2070                         if (viewzoom != 255)
2071                                 bits |= SU_VIEWZOOM;
2072         }
2073
2074         if (bits >= 65536)
2075                 bits |= SU_EXTEND1;
2076         if (bits >= 16777216)
2077                 bits |= SU_EXTEND2;
2078
2079         // send the data
2080         MSG_WriteByte (msg, svc_clientdata);
2081         MSG_WriteShort (msg, bits);
2082         if (bits & SU_EXTEND1)
2083                 MSG_WriteByte(msg, bits >> 16);
2084         if (bits & SU_EXTEND2)
2085                 MSG_WriteByte(msg, bits >> 24);
2086
2087         if (bits & SU_VIEWHEIGHT)
2088                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2089
2090         if (bits & SU_IDEALPITCH)
2091                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2092
2093         for (i=0 ; i<3 ; i++)
2094         {
2095                 if (bits & (SU_PUNCH1<<i))
2096                 {
2097                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2098                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2099                         else
2100                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2101                 }
2102                 if (bits & (SU_PUNCHVEC1<<i))
2103                 {
2104                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2105                                 MSG_WriteCoord16i(msg, punchvector[i]);
2106                         else
2107                                 MSG_WriteCoord32f(msg, punchvector[i]);
2108                 }
2109                 if (bits & (SU_VELOCITY1<<i))
2110                 {
2111                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2112                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2113                         else
2114                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2115                 }
2116         }
2117
2118         if (bits & SU_ITEMS)
2119                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2120
2121         if (sv.protocol == PROTOCOL_DARKPLACES5)
2122         {
2123                 if (bits & SU_WEAPONFRAME)
2124                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2125                 if (bits & SU_ARMOR)
2126                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2127                 if (bits & SU_WEAPON)
2128                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2129                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2130                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2131                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2132                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2133                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2134                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2135                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2136                 if (bits & SU_VIEWZOOM)
2137                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2138         }
2139         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2140         {
2141                 if (bits & SU_WEAPONFRAME)
2142                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2143                 if (bits & SU_ARMOR)
2144                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2145                 if (bits & SU_WEAPON)
2146                 {
2147                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2148                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2149                         else
2150                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2151                 }
2152                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2153                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2154                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2155                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2156                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2157                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2158                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2159                 {
2160                         for (i = 0;i < 32;i++)
2161                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2162                                         break;
2163                         MSG_WriteByte (msg, i);
2164                 }
2165                 else
2166                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2167                 if (bits & SU_VIEWZOOM)
2168                 {
2169                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2170                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2171                         else
2172                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2173                 }
2174         }
2175 }
2176
2177 void SV_FlushBroadcastMessages(void)
2178 {
2179         int i;
2180         client_t *client;
2181         if (sv.datagram.cursize <= 0)
2182                 return;
2183         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2184         {
2185                 if (!client->spawned || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
2186                         continue;
2187                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2188                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2189         }
2190         SZ_Clear(&sv.datagram);
2191 }
2192
2193 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2194 {
2195         // scan the splitpoints to find out how many we can fit in
2196         int numsegments, j, split;
2197         if (!client->unreliablemsg_splitpoints)
2198                 return;
2199         // always accept the first one if it's within 1024 bytes, this ensures
2200         // that very big datagrams which are over the rate limit still get
2201         // through, just to keep it working
2202         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2203                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2204                         break;
2205         // the first segment gets an exemption from the rate limiting, otherwise
2206         // it could get dropped consistently due to a low rate limit
2207         if (numsegments == 1)
2208                 maxsize = maxsize2;
2209         // some will fit, so add the ones that will fit
2210         split = client->unreliablemsg_splitpoint[numsegments-1];
2211         // note this discards ones that were accepted by the segments scan but
2212         // can not fit, such as a really huge first one that will never ever
2213         // fit in a packet...
2214         if (msg->cursize + split <= maxsize)
2215                 SZ_Write(msg, client->unreliablemsg.data, split);
2216         // remove the part we sent, keeping any remaining data
2217         client->unreliablemsg.cursize -= split;
2218         if (client->unreliablemsg.cursize > 0)
2219                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2220         // adjust remaining splitpoints
2221         client->unreliablemsg_splitpoints -= numsegments;
2222         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2223                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2224 }
2225
2226 /*
2227 =======================
2228 SV_SendClientDatagram
2229 =======================
2230 */
2231 static void SV_SendClientDatagram (client_t *client)
2232 {
2233         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2234         sizebuf_t msg;
2235         int stats[MAX_CL_STATS];
2236         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2237
2238         // obey rate limit by limiting packet frequency if the packet size
2239         // limiting fails
2240         // (usually this is caused by reliable messages)
2241         if (!NetConn_CanSend(client->netconnection))
2242                 return;
2243
2244         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2245         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2246         if (sv_maxrate.integer != maxrate)
2247                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2248
2249         // clientrate determines the 'cleartime' of a packet
2250         // (how long to wait before sending another, based on this packet's size)
2251         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2252
2253         switch (sv.protocol)
2254         {
2255         case PROTOCOL_QUAKE:
2256         case PROTOCOL_QUAKEDP:
2257         case PROTOCOL_NEHAHRAMOVIE:
2258         case PROTOCOL_NEHAHRABJP:
2259         case PROTOCOL_NEHAHRABJP2:
2260         case PROTOCOL_NEHAHRABJP3:
2261         case PROTOCOL_QUAKEWORLD:
2262                 // no packet size limit support on Quake protocols because it just
2263                 // causes missing entities/effects
2264                 // packets are simply sent less often to obey the rate limit
2265                 maxsize = 1024;
2266                 maxsize2 = 1024;
2267                 break;
2268         case PROTOCOL_DARKPLACES1:
2269         case PROTOCOL_DARKPLACES2:
2270         case PROTOCOL_DARKPLACES3:
2271         case PROTOCOL_DARKPLACES4:
2272                 // no packet size limit support on DP1-4 protocols because they kick
2273                 // the client off if they overflow, and miss effects
2274                 // packets are simply sent less often to obey the rate limit
2275                 maxsize = sizeof(sv_sendclientdatagram_buf);
2276                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2277                 break;
2278         default:
2279                 // DP5 and later protocols support packet size limiting which is a
2280                 // better method than limiting packet frequency as QW does
2281                 //
2282                 // at very low rates (or very small sys_ticrate) the packet size is
2283                 // not reduced below 128, but packets may be sent less often
2284                 maxsize = (int)(clientrate * sys_ticrate.value);
2285                 maxsize = bound(128, maxsize, 1400);
2286                 maxsize2 = 1400;
2287                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2288                 // mods that use csqc (they are likely to use less bandwidth anyway)
2289                 if (sv.csqc_progsize > 0)
2290                         maxsize = maxsize2;
2291                 break;
2292         }
2293
2294         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2295         {
2296                 // for good singleplayer, send huge packets
2297                 maxsize = sizeof(sv_sendclientdatagram_buf);
2298                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2299                 // never limit frequency in singleplayer
2300                 clientrate = 1000000000;
2301         }
2302
2303         // while downloading, limit entity updates to half the packet
2304         // (any leftover space will be used for downloading)
2305         if (host_client->download_file)
2306                 maxsize /= 2;
2307
2308         msg.data = sv_sendclientdatagram_buf;
2309         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2310         msg.cursize = 0;
2311         msg.allowoverflow = false;
2312
2313         if (host_client->spawned)
2314         {
2315                 // the player is in the game
2316                 MSG_WriteByte (&msg, svc_time);
2317                 MSG_WriteFloat (&msg, sv.time);
2318
2319                 // add the client specific data to the datagram
2320                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2321                 // now update the stats[] array using any registered custom fields
2322                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2323                 // set host_client->statsdeltabits
2324                 Protocol_UpdateClientStats (stats);
2325
2326                 // add as many queued unreliable messages (effects) as we can fit
2327                 // limit effects to half of the remaining space
2328                 if (client->unreliablemsg.cursize)
2329                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2330
2331                 // now write as many entities as we can fit, and also sends stats
2332                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2333         }
2334         else if (realtime > client->keepalivetime)
2335         {
2336                 // the player isn't totally in the game yet
2337                 // send small keepalive messages if too much time has passed
2338                 // (may also be sending downloads)
2339                 client->keepalivetime = realtime + 5;
2340                 MSG_WriteChar (&msg, svc_nop);
2341         }
2342
2343         // if a download is active, see if there is room to fit some download data
2344         // in this packet
2345         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2346         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2347         {
2348                 fs_offset_t downloadstart;
2349                 unsigned char data[1400];
2350                 downloadstart = FS_Tell(host_client->download_file);
2351                 downloadsize = min(downloadsize, (int)sizeof(data));
2352                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2353                 // note this sends empty messages if at the end of the file, which is
2354                 // necessary to keep the packet loss logic working
2355                 // (the last blocks may be lost and need to be re-sent, and that will
2356                 //  only occur if the client acks the empty end messages, revealing
2357                 //  a gap in the download progress, causing the last blocks to be
2358                 //  sent again)
2359                 MSG_WriteChar (&msg, svc_downloaddata);
2360                 MSG_WriteLong (&msg, downloadstart);
2361                 MSG_WriteShort (&msg, downloadsize);
2362                 if (downloadsize > 0)
2363                         SZ_Write (&msg, data, downloadsize);
2364         }
2365
2366         // reliable only if none is in progress
2367         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2368                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2369         // unreliable
2370         SV_WriteDemoMessage(client, &msg, false);
2371
2372 // send the datagram
2373         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2374         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2375                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2376 }
2377
2378 /*
2379 =======================
2380 SV_UpdateToReliableMessages
2381 =======================
2382 */
2383 static void SV_UpdateToReliableMessages (void)
2384 {
2385         int i, j;
2386         client_t *client;
2387         const char *name;
2388         const char *model;
2389         const char *skin;
2390         int clientcamera;
2391
2392 // check for changes to be sent over the reliable streams
2393         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2394         {
2395                 // update the host_client fields we care about according to the entity fields
2396                 host_client->edict = PRVM_EDICT_NUM(i+1);
2397
2398                 // DP_SV_CLIENTNAME
2399                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2400                 if (name == NULL)
2401                         name = "";
2402                 // always point the string back at host_client->name to keep it safe
2403                 strlcpy (host_client->name, name, sizeof (host_client->name));
2404                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2405                 if (strcmp(host_client->old_name, host_client->name))
2406                 {
2407                         if (host_client->spawned)
2408                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2409                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2410                         // send notification to all clients
2411                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2412                         MSG_WriteByte (&sv.reliable_datagram, i);
2413                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2414                         SV_WriteNetnameIntoDemo(host_client);
2415                 }
2416
2417                 // DP_SV_CLIENTCOLORS
2418                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2419                 if (host_client->old_colors != host_client->colors)
2420                 {
2421                         host_client->old_colors = host_client->colors;
2422                         // send notification to all clients
2423                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2424                         MSG_WriteByte (&sv.reliable_datagram, i);
2425                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2426                 }
2427
2428                 // NEXUIZ_PLAYERMODEL
2429                 model = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playermodel));
2430                 if (model == NULL)
2431                         model = "";
2432                 // always point the string back at host_client->name to keep it safe
2433                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2434                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(host_client->playermodel);
2435
2436                 // NEXUIZ_PLAYERSKIN
2437                 skin = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playerskin));
2438                 if (skin == NULL)
2439                         skin = "";
2440                 // always point the string back at host_client->name to keep it safe
2441                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2442                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(host_client->playerskin);
2443
2444                 // TODO: add an extension name for this [1/17/2008 Black]
2445                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2446                 if (clientcamera > 0)
2447                 {
2448                         int oldclientcamera = host_client->clientcamera;
2449                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2450                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2451                         host_client->clientcamera = clientcamera;
2452
2453                         if (oldclientcamera != host_client->clientcamera)
2454                         {
2455                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2456                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2457                         }
2458                 }
2459
2460                 // frags
2461                 host_client->frags = (int)host_client->edict->fields.server->frags;
2462                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2463                         if(!host_client->spawned && host_client->netconnection)
2464                                 host_client->frags = -666;
2465                 if (host_client->old_frags != host_client->frags)
2466                 {
2467                         host_client->old_frags = host_client->frags;
2468                         // send notification to all clients
2469                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2470                         MSG_WriteByte (&sv.reliable_datagram, i);
2471                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2472                 }
2473         }
2474
2475         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2476                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2477                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2478
2479         SZ_Clear (&sv.reliable_datagram);
2480 }
2481
2482
2483 /*
2484 =======================
2485 SV_SendClientMessages
2486 =======================
2487 */
2488 void SV_SendClientMessages (void)
2489 {
2490         int i, prepared = false;
2491
2492         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2493                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2494
2495         SV_FlushBroadcastMessages();
2496
2497 // update frags, names, etc
2498         SV_UpdateToReliableMessages();
2499
2500 // build individual updates
2501         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2502         {
2503                 if (!host_client->active)
2504                         continue;
2505                 if (!host_client->netconnection)
2506                         continue;
2507
2508                 if (host_client->netconnection->message.overflowed)
2509                 {
2510                         SV_DropClient (true);   // if the message couldn't send, kick off
2511                         continue;
2512                 }
2513
2514                 if (!prepared)
2515                 {
2516                         prepared = true;
2517                         // only prepare entities once per frame
2518                         SV_PrepareEntitiesForSending();
2519                 }
2520                 SV_SendClientDatagram (host_client);
2521         }
2522
2523 // clear muzzle flashes
2524         SV_CleanupEnts();
2525 }
2526
2527 static void SV_StartDownload_f(void)
2528 {
2529         if (host_client->download_file)
2530                 host_client->download_started = true;
2531 }
2532
2533 /*
2534  * Compression extension negotiation:
2535  *
2536  * Server to client:
2537  *   cl_serverextension_download 2
2538  *
2539  * Client to server:
2540  *   download <filename> <list of zero or more suppported compressions in order of preference>
2541  * e.g.
2542  *   download maps/map1.bsp lzo deflate huffman
2543  *
2544  * Server to client:
2545  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2546  * e.g.
2547  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2548  *
2549  * The server may choose not to compress the file by sending no compression name, like:
2550  *   cl_downloadbegin 345678 maps/map1.bsp
2551  *
2552  * NOTE: the "download" command may only specify compression algorithms if
2553  *       cl_serverextension_download is 2!
2554  *       If cl_serverextension_download has a different value, the client must
2555  *       assume this extension is not supported!
2556  */
2557
2558 static void Download_CheckExtensions(void)
2559 {
2560         int i;
2561         int argc = Cmd_Argc();
2562
2563         // first reset them all
2564         host_client->download_deflate = false;
2565         
2566         for(i = 2; i < argc; ++i)
2567         {
2568                 if(!strcmp(Cmd_Argv(i), "deflate"))
2569                 {
2570                         host_client->download_deflate = true;
2571                         break;
2572                 }
2573         }
2574 }
2575
2576 static void SV_Download_f(void)
2577 {
2578         const char *whichpack, *whichpack2, *extension;
2579         qboolean is_csqc; // so we need to check only once
2580
2581         if (Cmd_Argc() < 2)
2582         {
2583                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2584                 SV_ClientPrintf("       supported extensions: deflate\n");
2585                 return;
2586         }
2587
2588         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2589         {
2590                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2591                 return;
2592         }
2593
2594         if (host_client->download_file)
2595         {
2596                 // at this point we'll assume the previous download should be aborted
2597                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2598                 Host_ClientCommands("\nstopdownload\n");
2599
2600                 // close the file and reset variables
2601                 FS_Close(host_client->download_file);
2602                 host_client->download_file = NULL;
2603                 host_client->download_name[0] = 0;
2604                 host_client->download_expectedposition = 0;
2605                 host_client->download_started = false;
2606         }
2607
2608         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2609         
2610         if (!sv_allowdownloads.integer && !is_csqc)
2611         {
2612                 SV_ClientPrintf("Downloads are disabled on this server\n");
2613                 Host_ClientCommands("\nstopdownload\n");
2614                 return;
2615         }
2616
2617         Download_CheckExtensions();
2618
2619         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2620         extension = FS_FileExtension(host_client->download_name);
2621
2622         // host_client is asking to download a specified file
2623         if (developer_extra.integer)
2624                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2625
2626         if(is_csqc)
2627         {
2628                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2629                 extensions[0] = '\0';
2630                 
2631                 if(host_client->download_deflate)
2632                         strlcat(extensions, " deflate", sizeof(extensions));
2633                 
2634                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2635
2636                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2637                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2638                 else
2639                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2640                 
2641                 // no, no space is needed between %s and %s :P
2642                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2643
2644                 host_client->download_expectedposition = 0;
2645                 host_client->download_started = false;
2646                 host_client->sendsignon = true; // make sure this message is sent
2647                 return;
2648         }
2649
2650         if (!FS_FileExists(host_client->download_name))
2651         {
2652                 SV_ClientPrintf("Download rejected: server does not have the file \"%s\"\nYou may need to separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2653                 Host_ClientCommands("\nstopdownload\n");
2654                 return;
2655         }
2656
2657         // check if the user is trying to download part of registered Quake(r)
2658         whichpack = FS_WhichPack(host_client->download_name);
2659         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2660         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2661         {
2662                 SV_ClientPrintf("Download rejected: file \"%s\" is part of registered Quake(r)\nYou must purchase Quake(r) from id Software or a retailer to get this file\nPlease go to http://www.idsoftware.com/games/quake/quake/index.php?game_section=buy\n", host_client->download_name);
2663                 Host_ClientCommands("\nstopdownload\n");
2664                 return;
2665         }
2666
2667         // check if the server has forbidden archive downloads entirely
2668         if (!sv_allowdownloads_inarchive.integer)
2669         {
2670                 whichpack = FS_WhichPack(host_client->download_name);
2671                 if (whichpack)
2672                 {
2673                         SV_ClientPrintf("Download rejected: file \"%s\" is in an archive (\"%s\")\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name, whichpack);
2674                         Host_ClientCommands("\nstopdownload\n");
2675                         return;
2676                 }
2677         }
2678
2679         if (!sv_allowdownloads_config.integer)
2680         {
2681                 if (!strcasecmp(extension, "cfg"))
2682                 {
2683                         SV_ClientPrintf("Download rejected: file \"%s\" is a .cfg file which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2684                         Host_ClientCommands("\nstopdownload\n");
2685                         return;
2686                 }
2687         }
2688
2689         if (!sv_allowdownloads_dlcache.integer)
2690         {
2691                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2692                 {
2693                         SV_ClientPrintf("Download rejected: file \"%s\" is in the dlcache/ directory which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2694                         Host_ClientCommands("\nstopdownload\n");
2695                         return;
2696                 }
2697         }
2698
2699         if (!sv_allowdownloads_archive.integer)
2700         {
2701                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2702                 {
2703                         SV_ClientPrintf("Download rejected: file \"%s\" is an archive\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2704                         Host_ClientCommands("\nstopdownload\n");
2705                         return;
2706                 }
2707         }
2708
2709         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2710         if (!host_client->download_file)
2711         {
2712                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2713                 Host_ClientCommands("\nstopdownload\n");
2714                 return;
2715         }
2716
2717         if (FS_FileSize(host_client->download_file) > 1<<30)
2718         {
2719                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2720                 Host_ClientCommands("\nstopdownload\n");
2721                 FS_Close(host_client->download_file);
2722                 host_client->download_file = NULL;
2723                 return;
2724         }
2725
2726         if (FS_FileSize(host_client->download_file) < 0)
2727         {
2728                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2729                 Host_ClientCommands("\nstopdownload\n");
2730                 FS_Close(host_client->download_file);
2731                 host_client->download_file = NULL;
2732                 return;
2733         }
2734
2735         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2736
2737         /*
2738          * we can only do this if we would actually deflate on the fly
2739          * which we do not (yet)!
2740         {
2741                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2742                 extensions[0] = '\0';
2743                 
2744                 if(host_client->download_deflate)
2745                         strlcat(extensions, " deflate", sizeof(extensions));
2746
2747                 // no, no space is needed between %s and %s :P
2748                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2749         }
2750         */
2751         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2752
2753         host_client->download_expectedposition = 0;
2754         host_client->download_started = false;
2755         host_client->sendsignon = true; // make sure this message is sent
2756
2757         // the rest of the download process is handled in SV_SendClientDatagram
2758         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2759         //
2760         // no svc_downloaddata messages will be sent until sv_startdownload is
2761         // sent by the client
2762 }
2763
2764 /*
2765 ==============================================================================
2766
2767 SERVER SPAWNING
2768
2769 ==============================================================================
2770 */
2771
2772 /*
2773 ================
2774 SV_ModelIndex
2775
2776 ================
2777 */
2778 int SV_ModelIndex(const char *s, int precachemode)
2779 {
2780         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) ? 256 : MAX_MODELS);
2781         char filename[MAX_QPATH];
2782         if (!s || !*s)
2783                 return 0;
2784         // testing
2785         //if (precachemode == 2)
2786         //      return 0;
2787         strlcpy(filename, s, sizeof(filename));
2788         for (i = 2;i < limit;i++)
2789         {
2790                 if (!sv.model_precache[i][0])
2791                 {
2792                         if (precachemode)
2793                         {
2794                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
2795                                 {
2796                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2797                                         return 0;
2798                                 }
2799                                 if (precachemode == 1)
2800                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2801                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2802                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2803                                 if (sv.state != ss_loading)
2804                                 {
2805                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2806                                         MSG_WriteShort(&sv.reliable_datagram, i);
2807                                         MSG_WriteString(&sv.reliable_datagram, filename);
2808                                 }
2809                                 return i;
2810                         }
2811                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2812                         return 0;
2813                 }
2814                 if (!strcmp(sv.model_precache[i], filename))
2815                         return i;
2816         }
2817         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2818         return 0;
2819 }
2820
2821 /*
2822 ================
2823 SV_SoundIndex
2824
2825 ================
2826 */
2827 int SV_SoundIndex(const char *s, int precachemode)
2828 {
2829         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) ? 256 : MAX_SOUNDS);
2830         char filename[MAX_QPATH];
2831         if (!s || !*s)
2832                 return 0;
2833         // testing
2834         //if (precachemode == 2)
2835         //      return 0;
2836         strlcpy(filename, s, sizeof(filename));
2837         for (i = 1;i < limit;i++)
2838         {
2839                 if (!sv.sound_precache[i][0])
2840                 {
2841                         if (precachemode)
2842                         {
2843                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
2844                                 {
2845                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2846                                         return 0;
2847                                 }
2848                                 if (precachemode == 1)
2849                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2850                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2851                                 if (sv.state != ss_loading)
2852                                 {
2853                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2854                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2855                                         MSG_WriteString(&sv.reliable_datagram, filename);
2856                                 }
2857                                 return i;
2858                         }
2859                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2860                         return 0;
2861                 }
2862                 if (!strcmp(sv.sound_precache[i], filename))
2863                         return i;
2864         }
2865         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2866         return 0;
2867 }
2868
2869 /*
2870 ================
2871 SV_ParticleEffectIndex
2872
2873 ================
2874 */
2875 int SV_ParticleEffectIndex(const char *name)
2876 {
2877         int i, argc, linenumber, effectnameindex;
2878         int filepass;
2879         fs_offset_t filesize;
2880         unsigned char *filedata;
2881         const char *text;
2882         const char *textstart;
2883         //const char *textend;
2884         char argv[16][1024];
2885         char filename[MAX_QPATH];
2886         if (!sv.particleeffectnamesloaded)
2887         {
2888                 sv.particleeffectnamesloaded = true;
2889                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2890                 for (i = 0;i < EFFECT_TOTAL;i++)
2891                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2892                 for (filepass = 0;;filepass++)
2893                 {
2894                         if (filepass == 0)
2895                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2896                         else if (filepass == 1)
2897                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2898                         else
2899                                 break;
2900                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2901                         if (!filedata)
2902                                 continue;
2903                         textstart = (const char *)filedata;
2904                         //textend = (const char *)filedata + filesize;
2905                         text = textstart;
2906                         for (linenumber = 1;;linenumber++)
2907                         {
2908                                 argc = 0;
2909                                 for (;;)
2910                                 {
2911                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2912                                                 break;
2913                                         if (argc < 16)
2914                                         {
2915                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2916                                                 argc++;
2917                                         }
2918                                 }
2919                                 if (com_token[0] == 0)
2920                                         break; // if the loop exited and it's not a \n, it's EOF
2921                                 if (argc < 1)
2922                                         continue;
2923                                 if (!strcmp(argv[0], "effect"))
2924                                 {
2925                                         if (argc == 2)
2926                                         {
2927                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2928                                                 {
2929                                                         if (sv.particleeffectname[effectnameindex][0])
2930                                                         {
2931                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2932                                                                         break;
2933                                                         }
2934                                                         else
2935                                                         {
2936                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2937                                                                 break;
2938                                                         }
2939                                                 }
2940                                                 // if we run out of names, abort
2941                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2942                                                 {
2943                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2944                                                         break;
2945                                                 }
2946                                         }
2947                                 }
2948                         }
2949                         Mem_Free(filedata);
2950                 }
2951         }
2952         // search for the name
2953         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2954                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2955                         return effectnameindex;
2956         // return 0 if we couldn't find it
2957         return 0;
2958 }
2959
2960 dp_model_t *SV_GetModelByIndex(int modelindex)
2961 {
2962         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2963 }
2964
2965 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2966 {
2967         int modelindex;
2968         if (!ed || ed->priv.server->free)
2969                 return NULL;
2970         modelindex = (int)ed->fields.server->modelindex;
2971         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2972 }
2973
2974 /*
2975 ================
2976 SV_CreateBaseline
2977
2978 ================
2979 */
2980 static void SV_CreateBaseline (void)
2981 {
2982         int i, entnum, large;
2983         prvm_edict_t *svent;
2984
2985         // LordHavoc: clear *all* states (note just active ones)
2986         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2987         {
2988                 // get the current server version
2989                 svent = PRVM_EDICT_NUM(entnum);
2990
2991                 // LordHavoc: always clear state values, whether the entity is in use or not
2992                 svent->priv.server->baseline = defaultstate;
2993
2994                 if (svent->priv.server->free)
2995                         continue;
2996                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2997                         continue;
2998
2999                 // create entity baseline
3000                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
3001                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
3002                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
3003                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
3004                 if (entnum > 0 && entnum <= svs.maxclients)
3005                 {
3006                         svent->priv.server->baseline.colormap = entnum;
3007                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3008                 }
3009                 else
3010                 {
3011                         svent->priv.server->baseline.colormap = 0;
3012                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
3013                 }
3014
3015                 large = false;
3016                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3017                 {
3018                         large = true;
3019                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3020                                 large = false;
3021                 }
3022
3023                 // add to the message
3024                 if (large)
3025                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3026                 else
3027                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3028                 MSG_WriteShort (&sv.signon, entnum);
3029
3030                 if (large)
3031                 {
3032                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3033                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3034                 }
3035                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3036                 {
3037                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3038                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3039                 }
3040                 else
3041                 {
3042                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3043                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3044                 }
3045                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3046                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3047                 for (i=0 ; i<3 ; i++)
3048                 {
3049                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3050                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3051                 }
3052         }
3053 }
3054
3055 /*
3056 ================
3057 SV_Prepare_CSQC
3058
3059 Load csprogs.dat and comperss it so it doesn't need to be
3060 reloaded on request.
3061 ================
3062 */
3063 void SV_Prepare_CSQC(void)
3064 {
3065         fs_offset_t progsize;
3066
3067         if(svs.csqc_progdata)
3068         {
3069                 Con_DPrintf("Unloading old CSQC data.\n");
3070                 Mem_Free(svs.csqc_progdata);
3071                 if(svs.csqc_progdata_deflated)
3072                         Mem_Free(svs.csqc_progdata_deflated);
3073         }
3074
3075         svs.csqc_progdata = NULL;
3076         svs.csqc_progdata_deflated = NULL;
3077         
3078         sv.csqc_progname[0] = 0;
3079         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3080
3081         if(progsize > 0)
3082         {
3083                 size_t deflated_size;
3084
3085                 sv.csqc_progsize = (int)progsize;
3086                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3087                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3088                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3089
3090                 Con_DPrint("Compressing csprogs.dat\n");
3091                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3092                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3093                 svs.csqc_progsize_deflated = (int)deflated_size;
3094                 if(svs.csqc_progdata_deflated)
3095                 {
3096                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3097                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3098                 }
3099                 else
3100                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3101         }
3102 }
3103
3104 /*
3105 ================
3106 SV_SaveSpawnparms
3107
3108 Grabs the current state of each client for saving across the
3109 transition to another level
3110 ================
3111 */
3112 void SV_SaveSpawnparms (void)
3113 {
3114         int             i, j;
3115
3116         svs.serverflags = (int)prog->globals.server->serverflags;
3117
3118         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3119         {
3120                 if (!host_client->active)
3121                         continue;
3122
3123         // call the progs to get default spawn parms for the new client
3124                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3125                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3126                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3127                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3128         }
3129 }
3130
3131 /*
3132 ================
3133 SV_SpawnServer
3134
3135 This is called at the start of each level
3136 ================
3137 */
3138
3139 void SV_SpawnServer (const char *server)
3140 {
3141         prvm_edict_t *ent;
3142         int i;
3143         char *entities;
3144         dp_model_t *worldmodel;
3145         char modelname[sizeof(sv.worldname)];
3146
3147         Con_DPrintf("SpawnServer: %s\n", server);
3148
3149         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3150
3151         if (!FS_FileExists(modelname))
3152         {
3153                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3154                 if (!FS_FileExists(modelname))
3155                 {
3156                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3157                         return;
3158                 }
3159         }
3160
3161         if (cls.state != ca_dedicated)
3162         {
3163                 SCR_BeginLoadingPlaque();
3164                 S_StopAllSounds();
3165         }
3166
3167         if(sv.active)
3168         {
3169                 SV_VM_Begin();
3170                 World_End(&sv.world);
3171                 if(prog->funcoffsets.SV_Shutdown)
3172                 {
3173                         func_t s = prog->funcoffsets.SV_Shutdown;
3174                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
3175                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3176                 }
3177                 SV_VM_End();
3178         }
3179
3180         // free q3 shaders so that any newly downloaded shaders will be active
3181         Mod_FreeQ3Shaders();
3182
3183         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3184         if (!worldmodel || !worldmodel->TraceBox)
3185         {
3186                 Con_Printf("Couldn't load map %s\n", modelname);
3187                 return;
3188         }
3189
3190         Collision_Cache_Reset(true);
3191
3192         // let's not have any servers with no name
3193         if (hostname.string[0] == 0)
3194                 Cvar_Set ("hostname", "UNNAMED");
3195         scr_centertime_off = 0;
3196
3197         svs.changelevel_issued = false;         // now safe to issue another
3198
3199         // make the map a required file for clients
3200         Curl_ClearRequirements();
3201         Curl_RequireFile(modelname);
3202
3203 //
3204 // tell all connected clients that we are going to a new level
3205 //
3206         if (sv.active)
3207         {
3208                 client_t *client;
3209                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3210                 {
3211                         if (client->netconnection)
3212                         {
3213                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3214                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3215                         }
3216                 }
3217         }
3218         else
3219         {
3220                 // open server port
3221                 NetConn_OpenServerPorts(true);
3222         }
3223
3224 //
3225 // make cvars consistant
3226 //
3227         if (coop.integer)
3228                 Cvar_SetValue ("deathmatch", 0);
3229         // LordHavoc: it can be useful to have skills outside the range 0-3...
3230         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3231         //Cvar_SetValue ("skill", (float)current_skill);
3232         current_skill = (int)(skill.value + 0.5);
3233
3234 //
3235 // set up the new server
3236 //
3237         memset (&sv, 0, sizeof(sv));
3238         // if running a local client, make sure it doesn't try to access the last
3239         // level's data which is no longer valiud
3240         cls.signon = 0;
3241
3242         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3243
3244         if(*sv_random_seed.string)
3245         {
3246                 srand(sv_random_seed.integer);
3247                 Con_Printf("NOTE: random seed is %d; use for debugging/benchmarking only!\nUnset sv_random_seed to get real random numbers again.\n", sv_random_seed.integer);
3248         }
3249
3250         SV_VM_Setup();
3251
3252         sv.active = true;
3253
3254         // set level base name variables for later use
3255         strlcpy (sv.name, server, sizeof (sv.name));
3256         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3257         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3258         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3259         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3260         Cvar_SetQuick(&sv_worldname, sv.worldname);
3261         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3262         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3263
3264         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3265         if (sv.protocol == PROTOCOL_UNKNOWN)
3266         {
3267                 char buffer[1024];
3268                 Protocol_Names(buffer, sizeof(buffer));
3269                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3270                 sv.protocol = PROTOCOL_QUAKE;
3271         }
3272
3273         SV_VM_Begin();
3274
3275 // load progs to get entity field count
3276         //PR_LoadProgs ( sv_progs.string );
3277
3278         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3279         sv.datagram.cursize = 0;
3280         sv.datagram.data = sv.datagram_buf;
3281
3282         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3283         sv.reliable_datagram.cursize = 0;
3284         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3285
3286         sv.signon.maxsize = sizeof(sv.signon_buf);
3287         sv.signon.cursize = 0;
3288         sv.signon.data = sv.signon_buf;
3289
3290 // leave slots at start for clients only
3291         //prog->num_edicts = svs.maxclients+1;
3292
3293         sv.state = ss_loading;
3294         prog->allowworldwrites = true;
3295         sv.paused = false;
3296
3297         prog->globals.server->time = sv.time = 1.0;
3298
3299         Mod_ClearUsed();
3300         worldmodel->used = true;
3301
3302         sv.worldmodel = worldmodel;
3303         sv.models[1] = sv.worldmodel;
3304
3305 //
3306 // clear world interaction links
3307 //
3308         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3309         World_Start(&sv.world);
3310
3311         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3312
3313         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3314         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3315         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3316         {
3317                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3318                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3319         }
3320         if(i < sv.worldmodel->brush.numsubmodels)
3321                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3322
3323 //
3324 // load the rest of the entities
3325 //
3326         // AK possible hack since num_edicts is still 0
3327         ent = PRVM_EDICT_NUM(0);
3328         memset (ent->fields.server, 0, prog->entityfields * 4);
3329         ent->priv.server->free = false;
3330         ent->fields.server->model = PRVM_SetEngineString(sv.worldname);
3331         ent->fields.server->modelindex = 1;             // world model
3332         ent->fields.server->solid = SOLID_BSP;
3333         ent->fields.server->movetype = MOVETYPE_PUSH;
3334         VectorCopy(sv.world.mins, ent->fields.server->mins);
3335         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3336         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3337         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3338
3339         if (coop.value)
3340                 prog->globals.server->coop = coop.integer;
3341         else
3342                 prog->globals.server->deathmatch = deathmatch.integer;
3343
3344         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3345
3346 // serverflags are for cross level information (sigils)
3347         prog->globals.server->serverflags = svs.serverflags;
3348
3349         // we need to reset the spawned flag on all connected clients here so that
3350         // their thinks don't run during startup (before PutClientInServer)
3351         // we also need to set up the client entities now
3352         // and we need to set the ->edict pointers to point into the progs edicts
3353         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3354         {
3355                 host_client->spawned = false;
3356                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3357                 PRVM_ED_ClearEdict(host_client->edict);
3358         }
3359
3360         // load replacement entity file if found
3361         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3362         {
3363                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3364                 PRVM_ED_LoadFromFile (entities);
3365                 Mem_Free(entities);
3366         }
3367         else
3368                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3369
3370
3371         // LordHavoc: clear world angles (to fix e3m3.bsp)
3372         VectorClear(prog->edicts->fields.server->angles);
3373
3374 // all setup is completed, any further precache statements are errors
3375 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3376         prog->allowworldwrites = false;
3377
3378 // run two frames to allow everything to settle
3379         prog->globals.server->time = sv.time = 1.0001;
3380         for (i = 0;i < 2;i++)
3381         {
3382                 sv.frametime = 0.1;
3383                 SV_Physics ();
3384         }
3385
3386         if (cls.state == ca_dedicated)
3387                 Mod_PurgeUnused();
3388
3389 // create a baseline for more efficient communications
3390         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3391                 SV_CreateBaseline ();
3392
3393         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3394
3395         // to prevent network timeouts
3396         realtime = Sys_DoubleTime();
3397         
3398 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3399         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3400         {
3401                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3402                 if (!host_client->active)
3403                         continue;
3404                 if (host_client->netconnection)
3405                         SV_SendServerinfo(host_client);
3406                 else
3407                 {
3408                         int j;
3409                         // if client is a botclient coming from a level change, we need to
3410                         // set up client info that normally requires networking
3411
3412                         // copy spawn parms out of the client_t
3413                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3414                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3415
3416                         // call the spawn function
3417                         host_client->clientconnectcalled = true;
3418                         prog->globals.server->time = sv.time;
3419                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3420                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3421                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3422                         host_client->spawned = true;
3423                 }
3424         }
3425
3426         // update the map title cvar
3427         strlcpy(sv.worldmessage, PRVM_GetString(prog->edicts->fields.server->message), sizeof(sv.worldmessage)); // map title (not related to filename)
3428         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3429
3430         Con_DPrint("Server spawned.\n");
3431         NetConn_Heartbeat (2);
3432
3433         SV_VM_End();
3434 }
3435
3436 /////////////////////////////////////////////////////
3437 // SV VM stuff
3438
3439 static void SV_VM_CB_BeginIncreaseEdicts(void)
3440 {
3441         // links don't survive the transition, so unlink everything
3442         World_UnlinkAll(&sv.world);
3443 }
3444
3445 static void SV_VM_CB_EndIncreaseEdicts(void)
3446 {
3447         int i;
3448         prvm_edict_t *ent;
3449
3450         // link every entity except world
3451         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3452                 if (!ent->priv.server->free)
3453                         SV_LinkEdict(ent);
3454 }
3455
3456 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3457 {
3458         // LordHavoc: for consistency set these here
3459         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3460
3461         e->priv.server->move = false; // don't move on first frame
3462
3463         if (num >= 0 && num < svs.maxclients)
3464         {
3465                 // set colormap and team on newly created player entity
3466                 e->fields.server->colormap = num + 1;
3467                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3468                 // set netname/clientcolors back to client values so that
3469                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3470                 // reset them
3471                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3472                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3473                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3474                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(svs.clients[num].playermodel);
3475                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(svs.clients[num].playerskin);
3476                 // Assign netaddress (IP Address, etc)
3477                 if(svs.clients[num].netconnection != NULL)
3478                 {
3479                         // Acquire Readable Address
3480                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3481                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(svs.clients[num].netaddress);
3482                 }
3483                 else
3484                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString("null/botclient");
3485                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3486                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_idfp);
3487                 else
3488                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3489                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3490                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_keyfp);
3491                 else
3492                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3493                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3494                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.server_keyfp);
3495                 else
3496                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3497                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3498                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString("AES128");
3499                 else
3500                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3501                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3502                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString("HMAC-SHA256");
3503                 else
3504                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3505         }
3506 }
3507
3508 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3509 {
3510         int i;
3511         int e;
3512
3513         World_UnlinkEdict(ed);          // unlink from world bsp
3514
3515         ed->fields.server->model = 0;
3516         ed->fields.server->takedamage = 0;
3517         ed->fields.server->modelindex = 0;
3518         ed->fields.server->colormap = 0;
3519         ed->fields.server->skin = 0;
3520         ed->fields.server->frame = 0;
3521         VectorClear(ed->fields.server->origin);
3522         VectorClear(ed->fields.server->angles);
3523         ed->fields.server->nextthink = -1;
3524         ed->fields.server->solid = 0;
3525
3526         VM_RemoveEdictSkeleton(ed);
3527         World_Physics_RemoveFromEntity(&sv.world, ed);
3528         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3529
3530         // make sure csqc networking is aware of the removed entity
3531         e = PRVM_NUM_FOR_EDICT(ed);
3532         sv.csqcentityversion[e] = 0;
3533         for (i = 0;i < svs.maxclients;i++)
3534         {
3535                 if (svs.clients[i].csqcentityscope[e])
3536                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3537                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3538         }
3539 }
3540
3541 static void SV_VM_CB_CountEdicts(void)
3542 {
3543         int             i;
3544         prvm_edict_t    *ent;
3545         int             active, models, solid, step;
3546
3547         active = models = solid = step = 0;
3548         for (i=0 ; i<prog->num_edicts ; i++)
3549         {
3550                 ent = PRVM_EDICT_NUM(i);
3551                 if (ent->priv.server->free)
3552                         continue;
3553                 active++;
3554                 if (ent->fields.server->solid)
3555                         solid++;
3556                 if (ent->fields.server->model)
3557                         models++;
3558                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3559                         step++;
3560         }
3561
3562         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3563         Con_Printf("active    :%3i\n", active);
3564         Con_Printf("view      :%3i\n", models);
3565         Con_Printf("touch     :%3i\n", solid);
3566         Con_Printf("step      :%3i\n", step);
3567 }
3568
3569 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3570 {
3571         // remove things from different skill levels or deathmatch
3572         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3573         {
3574                 if (deathmatch.integer)
3575                 {
3576                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3577                         {
3578                                 return false;
3579                         }
3580                 }
3581                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3582                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3583                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3584                 {
3585                         return false;
3586                 }
3587         }
3588         return true;
3589 }
3590
3591 static void SV_VM_Setup(void)
3592 {
3593         PRVM_Begin;
3594         PRVM_InitProg( PRVM_SERVERPROG );
3595
3596         // allocate the mempools
3597         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3598         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3599         prog->builtins = vm_sv_builtins;
3600         prog->numbuiltins = vm_sv_numbuiltins;
3601         prog->headercrc = PROGHEADER_CRC;
3602         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3603         prog->max_edicts = 512;
3604         if (sv.protocol == PROTOCOL_QUAKE)
3605                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3606         else if (sv.protocol == PROTOCOL_QUAKEDP)
3607                 prog->limit_edicts = 2048; // guessing
3608         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3609                 prog->limit_edicts = 2048; // guessing!
3610         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3611                 prog->limit_edicts = 4096; // guessing!
3612         else
3613                 prog->limit_edicts = MAX_EDICTS;
3614         prog->reserved_edicts = svs.maxclients;
3615         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3616         prog->name = "server";
3617         prog->extensionstring = vm_sv_extensions;
3618         prog->loadintoworld = true;
3619
3620         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3621         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3622         prog->init_edict = SV_VM_CB_InitEdict;
3623         prog->free_edict = SV_VM_CB_FreeEdict;
3624         prog->count_edicts = SV_VM_CB_CountEdicts;
3625         prog->load_edict = SV_VM_CB_LoadEdict;
3626         prog->init_cmd = VM_SV_Cmd_Init;
3627         prog->reset_cmd = VM_SV_Cmd_Reset;
3628         prog->error_cmd = Host_Error;
3629         prog->ExecuteProgram = SVVM_ExecuteProgram;
3630
3631         PRVM_LoadProgs( sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3632
3633         // some mods compiled with scrambling compilers lack certain critical
3634         // global names and field names such as "self" and "time" and "nextthink"
3635         // so we have to set these offsets manually, matching the entvars_t
3636         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3637         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3638         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3639         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3640         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3641         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3642         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3643         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3644         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3645         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3646         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3647         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3648         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3649         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3650         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3651         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3652         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3653         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3654         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3655        &