new movement cvar and stat: sv_airaccel_qw_stretchfactor
[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_qw_stretchfactor = {0, "sv_airaccel_qw_stretchfactor", "0", "when set, the maximum acceleration increase the player may get compared to forward-acceleration when strafejumping"};
57 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"};
58 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"};
59 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
60 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"};
61 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
62 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
63 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
64 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
65 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
66 cvar_t sv_aircontrol_penalty = {0, "sv_aircontrol_penalty", "0", "deceleration while using CPMA-style air control"};
67 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
68 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
69 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
70 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
71 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
72 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"};
73 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"};
74 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"};
75 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)"};
76 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)"};
77 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)"};
78 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!)"};
79 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
80 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
81 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"};
82 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
83 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"};
84 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
85 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
86 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
87 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
88 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
89 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"};
90 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"};
91 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
92 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
93 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)"};
94 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)"};
95 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)"};
96 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
97 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
98 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"};
99 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"};
100 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"};
101 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)"};
102 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"};
103 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)"};
104 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"};
105 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
106 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
107 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"};
108 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"};
109 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)"};
110 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)"};
111 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
112 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
113 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "turn off gravity when on ground (to get rid of sliding)"};
114 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"};
115 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"};
116 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)"};
117 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)"};
118 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"};
119 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"};
120 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"};
121 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"};
122 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)"};
123 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
124 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
125 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
126 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
127 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)"};
128 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
129 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
130 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
131 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
132 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
133 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
134 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
135 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"};
136 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)"};
137 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)"};
138 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)"};
139 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
140 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
141 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
142 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"};
143 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"};
144 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
145 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)"};
146 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
147 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)"};
148 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"};
149 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
150 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"};
151 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"};
152 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
153
154 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
155 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
156 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
157 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
158 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
159 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
160 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
161 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
162 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
163 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)"};
164
165 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
166 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
167 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
168 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
169 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
170 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
171 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
172 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
173 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
174 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
175 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
176 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
177 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
178 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
179 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
180 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
181 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
182 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
183 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
184 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
185 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
186
187 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)"};
188 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)" };
189 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."};
190
191 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
192
193 server_t sv;
194 server_static_t svs;
195
196 mempool_t *sv_mempool = NULL;
197
198 extern cvar_t slowmo;
199 extern float            scr_centertime_off;
200
201 // MUST match effectnameindex_t in client.h
202 static const char *standardeffectnames[EFFECT_TOTAL] =
203 {
204         "",
205         "TE_GUNSHOT",
206         "TE_GUNSHOTQUAD",
207         "TE_SPIKE",
208         "TE_SPIKEQUAD",
209         "TE_SUPERSPIKE",
210         "TE_SUPERSPIKEQUAD",
211         "TE_WIZSPIKE",
212         "TE_KNIGHTSPIKE",
213         "TE_EXPLOSION",
214         "TE_EXPLOSIONQUAD",
215         "TE_TAREXPLOSION",
216         "TE_TELEPORT",
217         "TE_LAVASPLASH",
218         "TE_SMALLFLASH",
219         "TE_FLAMEJET",
220         "EF_FLAME",
221         "TE_BLOOD",
222         "TE_SPARK",
223         "TE_PLASMABURN",
224         "TE_TEI_G3",
225         "TE_TEI_SMOKE",
226         "TE_TEI_BIGEXPLOSION",
227         "TE_TEI_PLASMAHIT",
228         "EF_STARDUST",
229         "TR_ROCKET",
230         "TR_GRENADE",
231         "TR_BLOOD",
232         "TR_WIZSPIKE",
233         "TR_SLIGHTBLOOD",
234         "TR_KNIGHTSPIKE",
235         "TR_VORESPIKE",
236         "TR_NEHAHRASMOKE",
237         "TR_NEXUIZPLASMA",
238         "TR_GLOWTRAIL",
239         "SVC_PARTICLE"
240 };
241
242 #define SV_REQFUNCS 0
243 #define sv_reqfuncs NULL
244
245 //#define SV_REQFUNCS (sizeof(sv_reqfuncs) / sizeof(const char *))
246 //static const char *sv_reqfuncs[] = {
247 //};
248
249 #define SV_REQFIELDS (sizeof(sv_reqfields) / sizeof(prvm_required_field_t))
250
251 prvm_required_field_t sv_reqfields[] =
252 {
253 #define PRVM_DECLARE_serverglobalfloat(x)
254 #define PRVM_DECLARE_serverglobalvector(x)
255 #define PRVM_DECLARE_serverglobalstring(x)
256 #define PRVM_DECLARE_serverglobaledict(x)
257 #define PRVM_DECLARE_serverglobalfunction(x)
258 #define PRVM_DECLARE_clientglobalfloat(x)
259 #define PRVM_DECLARE_clientglobalvector(x)
260 #define PRVM_DECLARE_clientglobalstring(x)
261 #define PRVM_DECLARE_clientglobaledict(x)
262 #define PRVM_DECLARE_clientglobalfunction(x)
263 #define PRVM_DECLARE_menuglobalfloat(x)
264 #define PRVM_DECLARE_menuglobalvector(x)
265 #define PRVM_DECLARE_menuglobalstring(x)
266 #define PRVM_DECLARE_menuglobaledict(x)
267 #define PRVM_DECLARE_menuglobalfunction(x)
268 #define PRVM_DECLARE_serverfieldfloat(x) {ev_float, #x},
269 #define PRVM_DECLARE_serverfieldvector(x) {ev_vector, #x},
270 #define PRVM_DECLARE_serverfieldstring(x) {ev_string, #x},
271 #define PRVM_DECLARE_serverfieldedict(x) {ev_entity, #x},
272 #define PRVM_DECLARE_serverfieldfunction(x) {ev_function, #x},
273 #define PRVM_DECLARE_clientfieldfloat(x)
274 #define PRVM_DECLARE_clientfieldvector(x)
275 #define PRVM_DECLARE_clientfieldstring(x)
276 #define PRVM_DECLARE_clientfieldedict(x)
277 #define PRVM_DECLARE_clientfieldfunction(x)
278 #define PRVM_DECLARE_menufieldfloat(x)
279 #define PRVM_DECLARE_menufieldvector(x)
280 #define PRVM_DECLARE_menufieldstring(x)
281 #define PRVM_DECLARE_menufieldedict(x)
282 #define PRVM_DECLARE_menufieldfunction(x)
283 #define PRVM_DECLARE_serverfunction(x)
284 #define PRVM_DECLARE_clientfunction(x)
285 #define PRVM_DECLARE_menufunction(x)
286 #define PRVM_DECLARE_field(x)
287 #define PRVM_DECLARE_global(x)
288 #define PRVM_DECLARE_function(x)
289 #include "prvm_offsets.h"
290 #undef PRVM_DECLARE_serverglobalfloat
291 #undef PRVM_DECLARE_serverglobalvector
292 #undef PRVM_DECLARE_serverglobalstring
293 #undef PRVM_DECLARE_serverglobaledict
294 #undef PRVM_DECLARE_serverglobalfunction
295 #undef PRVM_DECLARE_clientglobalfloat
296 #undef PRVM_DECLARE_clientglobalvector
297 #undef PRVM_DECLARE_clientglobalstring
298 #undef PRVM_DECLARE_clientglobaledict
299 #undef PRVM_DECLARE_clientglobalfunction
300 #undef PRVM_DECLARE_menuglobalfloat
301 #undef PRVM_DECLARE_menuglobalvector
302 #undef PRVM_DECLARE_menuglobalstring
303 #undef PRVM_DECLARE_menuglobaledict
304 #undef PRVM_DECLARE_menuglobalfunction
305 #undef PRVM_DECLARE_serverfieldfloat
306 #undef PRVM_DECLARE_serverfieldvector
307 #undef PRVM_DECLARE_serverfieldstring
308 #undef PRVM_DECLARE_serverfieldedict
309 #undef PRVM_DECLARE_serverfieldfunction
310 #undef PRVM_DECLARE_clientfieldfloat
311 #undef PRVM_DECLARE_clientfieldvector
312 #undef PRVM_DECLARE_clientfieldstring
313 #undef PRVM_DECLARE_clientfieldedict
314 #undef PRVM_DECLARE_clientfieldfunction
315 #undef PRVM_DECLARE_menufieldfloat
316 #undef PRVM_DECLARE_menufieldvector
317 #undef PRVM_DECLARE_menufieldstring
318 #undef PRVM_DECLARE_menufieldedict
319 #undef PRVM_DECLARE_menufieldfunction
320 #undef PRVM_DECLARE_serverfunction
321 #undef PRVM_DECLARE_clientfunction
322 #undef PRVM_DECLARE_menufunction
323 #undef PRVM_DECLARE_field
324 #undef PRVM_DECLARE_global
325 #undef PRVM_DECLARE_function
326 };
327
328 #define SV_REQGLOBALS (sizeof(sv_reqglobals) / sizeof(prvm_required_field_t))
329
330 prvm_required_field_t sv_reqglobals[] =
331 {
332 #define PRVM_DECLARE_serverglobalfloat(x) {ev_float, #x},
333 #define PRVM_DECLARE_serverglobalvector(x) {ev_vector, #x},
334 #define PRVM_DECLARE_serverglobalstring(x) {ev_string, #x},
335 #define PRVM_DECLARE_serverglobaledict(x) {ev_entity, #x},
336 #define PRVM_DECLARE_serverglobalfunction(x) {ev_function, #x},
337 #define PRVM_DECLARE_clientglobalfloat(x)
338 #define PRVM_DECLARE_clientglobalvector(x)
339 #define PRVM_DECLARE_clientglobalstring(x)
340 #define PRVM_DECLARE_clientglobaledict(x)
341 #define PRVM_DECLARE_clientglobalfunction(x)
342 #define PRVM_DECLARE_menuglobalfloat(x)
343 #define PRVM_DECLARE_menuglobalvector(x)
344 #define PRVM_DECLARE_menuglobalstring(x)
345 #define PRVM_DECLARE_menuglobaledict(x)
346 #define PRVM_DECLARE_menuglobalfunction(x)
347 #define PRVM_DECLARE_serverfieldfloat(x)
348 #define PRVM_DECLARE_serverfieldvector(x)
349 #define PRVM_DECLARE_serverfieldstring(x)
350 #define PRVM_DECLARE_serverfieldedict(x)
351 #define PRVM_DECLARE_serverfieldfunction(x)
352 #define PRVM_DECLARE_clientfieldfloat(x)
353 #define PRVM_DECLARE_clientfieldvector(x)
354 #define PRVM_DECLARE_clientfieldstring(x)
355 #define PRVM_DECLARE_clientfieldedict(x)
356 #define PRVM_DECLARE_clientfieldfunction(x)
357 #define PRVM_DECLARE_menufieldfloat(x)
358 #define PRVM_DECLARE_menufieldvector(x)
359 #define PRVM_DECLARE_menufieldstring(x)
360 #define PRVM_DECLARE_menufieldedict(x)
361 #define PRVM_DECLARE_menufieldfunction(x)
362 #define PRVM_DECLARE_serverfunction(x)
363 #define PRVM_DECLARE_clientfunction(x)
364 #define PRVM_DECLARE_menufunction(x)
365 #define PRVM_DECLARE_field(x)
366 #define PRVM_DECLARE_global(x)
367 #define PRVM_DECLARE_function(x)
368 #include "prvm_offsets.h"
369 #undef PRVM_DECLARE_serverglobalfloat
370 #undef PRVM_DECLARE_serverglobalvector
371 #undef PRVM_DECLARE_serverglobalstring
372 #undef PRVM_DECLARE_serverglobaledict
373 #undef PRVM_DECLARE_serverglobalfunction
374 #undef PRVM_DECLARE_clientglobalfloat
375 #undef PRVM_DECLARE_clientglobalvector
376 #undef PRVM_DECLARE_clientglobalstring
377 #undef PRVM_DECLARE_clientglobaledict
378 #undef PRVM_DECLARE_clientglobalfunction
379 #undef PRVM_DECLARE_menuglobalfloat
380 #undef PRVM_DECLARE_menuglobalvector
381 #undef PRVM_DECLARE_menuglobalstring
382 #undef PRVM_DECLARE_menuglobaledict
383 #undef PRVM_DECLARE_menuglobalfunction
384 #undef PRVM_DECLARE_serverfieldfloat
385 #undef PRVM_DECLARE_serverfieldvector
386 #undef PRVM_DECLARE_serverfieldstring
387 #undef PRVM_DECLARE_serverfieldedict
388 #undef PRVM_DECLARE_serverfieldfunction
389 #undef PRVM_DECLARE_clientfieldfloat
390 #undef PRVM_DECLARE_clientfieldvector
391 #undef PRVM_DECLARE_clientfieldstring
392 #undef PRVM_DECLARE_clientfieldedict
393 #undef PRVM_DECLARE_clientfieldfunction
394 #undef PRVM_DECLARE_menufieldfloat
395 #undef PRVM_DECLARE_menufieldvector
396 #undef PRVM_DECLARE_menufieldstring
397 #undef PRVM_DECLARE_menufieldedict
398 #undef PRVM_DECLARE_menufieldfunction
399 #undef PRVM_DECLARE_serverfunction
400 #undef PRVM_DECLARE_clientfunction
401 #undef PRVM_DECLARE_menufunction
402 #undef PRVM_DECLARE_field
403 #undef PRVM_DECLARE_global
404 #undef PRVM_DECLARE_function
405 };
406
407
408
409 //============================================================================
410
411 void SV_AreaStats_f(void)
412 {
413         World_PrintAreaStats(&sv.world, "server");
414 }
415
416 /*
417 ===============
418 SV_Init
419 ===============
420 */
421 void SV_Init (void)
422 {
423         // init the csqc progs cvars, since they are updated/used by the server code
424         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
425         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
426         extern cvar_t csqc_progcrc;
427         extern cvar_t csqc_progsize;
428
429         Cvar_RegisterVariable(&sv_worldmessage);
430         Cvar_RegisterVariable(&sv_worldname);
431         Cvar_RegisterVariable(&sv_worldnamenoextension);
432         Cvar_RegisterVariable(&sv_worldbasename);
433
434         Cvar_RegisterVariable (&csqc_progname);
435         Cvar_RegisterVariable (&csqc_progcrc);
436         Cvar_RegisterVariable (&csqc_progsize);
437
438         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
439         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
440         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
441         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
442
443         Cvar_RegisterVariable (&coop);
444         Cvar_RegisterVariable (&deathmatch);
445         Cvar_RegisterVariable (&fraglimit);
446         Cvar_RegisterVariable (&gamecfg);
447         Cvar_RegisterVariable (&noexit);
448         Cvar_RegisterVariable (&nomonsters);
449         Cvar_RegisterVariable (&pausable);
450         Cvar_RegisterVariable (&pr_checkextension);
451         Cvar_RegisterVariable (&samelevel);
452         Cvar_RegisterVariable (&skill);
453         Cvar_RegisterVariable (&slowmo);
454         Cvar_RegisterVariable (&sv_accelerate);
455         Cvar_RegisterVariable (&sv_aim);
456         Cvar_RegisterVariable (&sv_airaccel_qw);
457         Cvar_RegisterVariable (&sv_airaccel_qw_stretchfactor);
458         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
459         Cvar_RegisterVariable (&sv_airaccelerate);
460         Cvar_RegisterVariable (&sv_airstopaccelerate);
461         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
462         Cvar_RegisterVariable (&sv_maxairstrafespeed);
463         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
464         Cvar_RegisterVariable (&sv_airspeedlimit_nonqw);
465         Cvar_RegisterVariable (&sv_aircontrol);
466         Cvar_RegisterVariable (&sv_aircontrol_power);
467         Cvar_RegisterVariable (&sv_aircontrol_penalty);
468         Cvar_RegisterVariable (&sv_allowdownloads);
469         Cvar_RegisterVariable (&sv_allowdownloads_archive);
470         Cvar_RegisterVariable (&sv_allowdownloads_config);
471         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
472         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
473         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
474         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
475         Cvar_RegisterVariable (&sv_clmovement_enable);
476         Cvar_RegisterVariable (&sv_clmovement_minping);
477         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
478         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
479         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
480         Cvar_RegisterVariable (&sv_cullentities_pvs);
481         Cvar_RegisterVariable (&sv_cullentities_stats);
482         Cvar_RegisterVariable (&sv_cullentities_trace);
483         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
484         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
485         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
486         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
487         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
488         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
489         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
490         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
491         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
492         Cvar_RegisterVariable (&sv_debugmove);
493         Cvar_RegisterVariable (&sv_echobprint);
494         Cvar_RegisterVariable (&sv_edgefriction);
495         Cvar_RegisterVariable (&sv_entpatch);
496         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
497         Cvar_RegisterVariable (&sv_freezenonclients);
498         Cvar_RegisterVariable (&sv_friction);
499         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
500         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
501         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
502         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
503         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
504         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
505         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
506         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
507         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
508         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
509         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
510         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
511         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
512         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
513         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
514         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
515         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
516         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
517         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
518         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
519         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
520         Cvar_RegisterVariable (&sv_gameplayfix_nostepmoveonsteepslopes);
521         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
522         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
523         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
524         Cvar_RegisterVariable (&sv_gravity);
525         Cvar_RegisterVariable (&sv_idealpitchscale);
526         Cvar_RegisterVariable (&sv_jumpstep);
527         Cvar_RegisterVariable (&sv_jumpvelocity);
528         Cvar_RegisterVariable (&sv_maxairspeed);
529         Cvar_RegisterVariable (&sv_maxrate);
530         Cvar_RegisterVariable (&sv_maxspeed);
531         Cvar_RegisterVariable (&sv_maxvelocity);
532         Cvar_RegisterVariable (&sv_nostep);
533         Cvar_RegisterVariable (&sv_playerphysicsqc);
534         Cvar_RegisterVariable (&sv_progs);
535         Cvar_RegisterVariable (&sv_protocolname);
536         Cvar_RegisterVariable (&sv_random_seed);
537         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
538         Cvar_RegisterVariable (&sv_sound_land);
539         Cvar_RegisterVariable (&sv_sound_watersplash);
540         Cvar_RegisterVariable (&sv_stepheight);
541         Cvar_RegisterVariable (&sv_stopspeed);
542         Cvar_RegisterVariable (&sv_wallfriction);
543         Cvar_RegisterVariable (&sv_wateraccelerate);
544         Cvar_RegisterVariable (&sv_waterfriction);
545         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
546         Cvar_RegisterVariable (&sv_warsowbunny_accel);
547         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
548         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
549         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
550         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
551         Cvar_RegisterVariable (&sys_ticrate);
552         Cvar_RegisterVariable (&teamplay);
553         Cvar_RegisterVariable (&timelimit);
554
555         Cvar_RegisterVariable (&saved1);
556         Cvar_RegisterVariable (&saved2);
557         Cvar_RegisterVariable (&saved3);
558         Cvar_RegisterVariable (&saved4);
559         Cvar_RegisterVariable (&savedgamecfg);
560         Cvar_RegisterVariable (&scratch1);
561         Cvar_RegisterVariable (&scratch2);
562         Cvar_RegisterVariable (&scratch3);
563         Cvar_RegisterVariable (&scratch4);
564         Cvar_RegisterVariable (&temp1);
565
566         // LordHavoc: Nehahra uses these to pass data around cutscene demos
567         Cvar_RegisterVariable (&nehx00);
568         Cvar_RegisterVariable (&nehx01);
569         Cvar_RegisterVariable (&nehx02);
570         Cvar_RegisterVariable (&nehx03);
571         Cvar_RegisterVariable (&nehx04);
572         Cvar_RegisterVariable (&nehx05);
573         Cvar_RegisterVariable (&nehx06);
574         Cvar_RegisterVariable (&nehx07);
575         Cvar_RegisterVariable (&nehx08);
576         Cvar_RegisterVariable (&nehx09);
577         Cvar_RegisterVariable (&nehx10);
578         Cvar_RegisterVariable (&nehx11);
579         Cvar_RegisterVariable (&nehx12);
580         Cvar_RegisterVariable (&nehx13);
581         Cvar_RegisterVariable (&nehx14);
582         Cvar_RegisterVariable (&nehx15);
583         Cvar_RegisterVariable (&nehx16);
584         Cvar_RegisterVariable (&nehx17);
585         Cvar_RegisterVariable (&nehx18);
586         Cvar_RegisterVariable (&nehx19);
587         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
588
589         Cvar_RegisterVariable (&sv_autodemo_perclient);
590         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
591         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
592
593         Cvar_RegisterVariable (&halflifebsp);
594
595         sv_mempool = Mem_AllocPool("server", 0, NULL);
596 }
597
598 static void SV_SaveEntFile_f(void)
599 {
600         if (!sv.active || !sv.worldmodel)
601         {
602                 Con_Print("Not running a server\n");
603                 return;
604         }
605         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
606 }
607
608
609 /*
610 =============================================================================
611
612 EVENT MESSAGES
613
614 =============================================================================
615 */
616
617 /*
618 ==================
619 SV_StartParticle
620
621 Make sure the event gets sent to all clients
622 ==================
623 */
624 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
625 {
626         int i;
627
628         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
629                 return;
630         MSG_WriteByte (&sv.datagram, svc_particle);
631         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
632         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
633         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
634         for (i=0 ; i<3 ; i++)
635                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
636         MSG_WriteByte (&sv.datagram, count);
637         MSG_WriteByte (&sv.datagram, color);
638         SV_FlushBroadcastMessages();
639 }
640
641 /*
642 ==================
643 SV_StartEffect
644
645 Make sure the event gets sent to all clients
646 ==================
647 */
648 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
649 {
650         if (modelindex >= 256 || startframe >= 256)
651         {
652                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
653                         return;
654                 MSG_WriteByte (&sv.datagram, svc_effect2);
655                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
656                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
657                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
658                 MSG_WriteShort (&sv.datagram, modelindex);
659                 MSG_WriteShort (&sv.datagram, startframe);
660                 MSG_WriteByte (&sv.datagram, framecount);
661                 MSG_WriteByte (&sv.datagram, framerate);
662         }
663         else
664         {
665                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
666                         return;
667                 MSG_WriteByte (&sv.datagram, svc_effect);
668                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
669                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
670                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
671                 MSG_WriteByte (&sv.datagram, modelindex);
672                 MSG_WriteByte (&sv.datagram, startframe);
673                 MSG_WriteByte (&sv.datagram, framecount);
674                 MSG_WriteByte (&sv.datagram, framerate);
675         }
676         SV_FlushBroadcastMessages();
677 }
678
679 /*
680 ==================
681 SV_StartSound
682
683 Each entity can have eight independant sound sources, like voice,
684 weapon, feet, etc.
685
686 Channel 0 is an auto-allocate channel, the others override anything
687 already running on that entity/channel pair.
688
689 An attenuation of 0 will play full volume everywhere in the level.
690 Larger attenuations will drop off.  (max 4 attenuation)
691
692 ==================
693 */
694 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
695 {
696         int sound_num, field_mask, i, ent;
697
698         if (volume < 0 || volume > 255)
699         {
700                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
701                 return;
702         }
703
704         if (attenuation < 0 || attenuation > 4)
705         {
706                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
707                 return;
708         }
709
710         if (channel < 0 || channel > 7)
711         {
712                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
713                 return;
714         }
715
716         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
717                 return;
718
719 // find precache number for sound
720         sound_num = SV_SoundIndex(sample, 1);
721         if (!sound_num)
722                 return;
723
724         ent = PRVM_NUM_FOR_EDICT(entity);
725
726         field_mask = 0;
727         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
728                 field_mask |= SND_VOLUME;
729         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
730                 field_mask |= SND_ATTENUATION;
731         if (ent >= 8192)
732                 field_mask |= SND_LARGEENTITY;
733         if (sound_num >= 256 || channel >= 8)
734                 field_mask |= SND_LARGESOUND;
735
736 // directed messages go only to the entity they are targeted on
737         MSG_WriteByte (&sv.datagram, svc_sound);
738         MSG_WriteByte (&sv.datagram, field_mask);
739         if (field_mask & SND_VOLUME)
740                 MSG_WriteByte (&sv.datagram, volume);
741         if (field_mask & SND_ATTENUATION)
742                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
743         if (field_mask & SND_LARGEENTITY)
744         {
745                 MSG_WriteShort (&sv.datagram, ent);
746                 MSG_WriteByte (&sv.datagram, channel);
747         }
748         else
749                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
750         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
751                 MSG_WriteShort (&sv.datagram, sound_num);
752         else
753                 MSG_WriteByte (&sv.datagram, sound_num);
754         for (i = 0;i < 3;i++)
755                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
756         SV_FlushBroadcastMessages();
757 }
758
759 /*
760 ==================
761 SV_StartPointSound
762
763 Nearly the same logic as SV_StartSound, except an origin
764 instead of an entity is provided and channel is omitted.
765
766 The entity sent to the client is 0 (world) and the channel
767 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
768 function, therefore the check for it is omitted.
769
770 ==================
771 */
772 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
773 {
774         int sound_num, field_mask, i;
775
776         if (volume < 0 || volume > 255)
777         {
778                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
779                 return;
780         }
781
782         if (attenuation < 0 || attenuation > 4)
783         {
784                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
785                 return;
786         }
787
788         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
789                 return;
790
791         // find precache number for sound
792         sound_num = SV_SoundIndex(sample, 1);
793         if (!sound_num)
794                 return;
795
796         field_mask = 0;
797         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
798                 field_mask |= SND_VOLUME;
799         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
800                 field_mask |= SND_ATTENUATION;
801         if (sound_num >= 256)
802                 field_mask |= SND_LARGESOUND;
803
804 // directed messages go only to the entity they are targeted on
805         MSG_WriteByte (&sv.datagram, svc_sound);
806         MSG_WriteByte (&sv.datagram, field_mask);
807         if (field_mask & SND_VOLUME)
808                 MSG_WriteByte (&sv.datagram, volume);
809         if (field_mask & SND_ATTENUATION)
810                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
811         // Always write entnum 0 for the world entity
812         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
813         if (field_mask & SND_LARGESOUND)
814                 MSG_WriteShort (&sv.datagram, sound_num);
815         else
816                 MSG_WriteByte (&sv.datagram, sound_num);
817         for (i = 0;i < 3;i++)
818                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
819         SV_FlushBroadcastMessages();
820 }
821
822 /*
823 ==============================================================================
824
825 CLIENT SPAWNING
826
827 ==============================================================================
828 */
829
830 /*
831 ================
832 SV_SendServerinfo
833
834 Sends the first message from the server to a connected client.
835 This will be sent on the initial connection and upon each server load.
836 ================
837 */
838 void SV_SendServerinfo (client_t *client)
839 {
840         int i;
841         char message[128];
842
843         // we know that this client has a netconnection and thus is not a bot
844
845         // edicts get reallocated on level changes, so we need to update it here
846         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
847
848         // clear cached stuff that depends on the level
849         client->weaponmodel[0] = 0;
850         client->weaponmodelindex = 0;
851
852         // LordHavoc: clear entityframe tracking
853         client->latestframenum = 0;
854
855         // initialize the movetime, so a speedhack can't make use of the time before this client joined
856         client->cmd.time = sv.time;
857
858         if (client->entitydatabase)
859                 EntityFrame_FreeDatabase(client->entitydatabase);
860         if (client->entitydatabase4)
861                 EntityFrame4_FreeDatabase(client->entitydatabase4);
862         if (client->entitydatabase5)
863                 EntityFrame5_FreeDatabase(client->entitydatabase5);
864
865         memset(client->stats, 0, sizeof(client->stats));
866         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
867
868         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)
869         {
870                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
871                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
872                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
873                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
874                 else
875                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
876         }
877
878         // reset csqc entity versions
879         for (i = 0;i < prog->max_edicts;i++)
880         {
881                 client->csqcentityscope[i] = 0;
882                 client->csqcentitysendflags[i] = 0xFFFFFF;
883                 client->csqcentityglobalhistory[i] = 0;
884         }
885         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
886         {
887                 client->csqcentityframehistory[i].num = 0;
888                 client->csqcentityframehistory[i].framenum = -1;
889         }
890         client->csqcnumedicts = 0;
891         client->csqcentityframehistory_next = 0;
892
893         SZ_Clear (&client->netconnection->message);
894         MSG_WriteByte (&client->netconnection->message, svc_print);
895         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
896         MSG_WriteString (&client->netconnection->message,message);
897
898         SV_StopDemoRecording(client); // to split up demos into different files
899         if(sv_autodemo_perclient.integer && client->netconnection)
900         {
901                 char demofile[MAX_OSPATH];
902                 char ipaddress[MAX_QPATH];
903                 size_t i;
904
905                 // start a new demo file
906                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
907                 for(i = 0; ipaddress[i]; ++i)
908                         if(!isalnum(ipaddress[i]))
909                                 ipaddress[i] = '-';
910                 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);
911
912                 SV_StartDemoRecording(client, demofile, -1);
913         }
914
915         //[515]: init csprogs according to version of svprogs, check the crc, etc.
916         if (sv.csqc_progname[0])
917         {
918                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
919                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
920                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
921                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
922                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
923                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
924                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
925
926                 if(client->sv_demo_file != NULL)
927                 {
928                         int i;
929                         static char buf[NET_MAXMESSAGE];
930                         sizebuf_t sb;
931
932                         sb.data = (unsigned char *) buf;
933                         sb.maxsize = sizeof(buf);
934                         i = 0;
935                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
936                                 SV_WriteDemoMessage(client, &sb, false);
937                 }
938
939                 //[515]: init stufftext string (it is sent before svc_serverinfo)
940                 if (PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd)))
941                 {
942                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
943                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(PRVM_serverglobalstring(SV_InitCmd))));
944                 }
945         }
946
947         //if (sv_allowdownloads.integer)
948         // always send the info that the server supports the protocol, even if downloads are forbidden
949         // only because of that, the CSQC exception can work
950         {
951                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
952                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
953         }
954
955         // send at this time so it's guaranteed to get executed at the right time
956         {
957                 client_t *save;
958                 save = host_client;
959                 host_client = client;
960                 Curl_SendRequirements();
961                 host_client = save;
962         }
963
964         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
965         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
966         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
967
968         if (!coop.integer && deathmatch.integer)
969                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
970         else
971                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
972
973         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
974
975         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
976                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
977         MSG_WriteByte (&client->netconnection->message, 0);
978
979         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
980                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
981         MSG_WriteByte (&client->netconnection->message, 0);
982
983 // send music
984         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
985         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
986         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
987
988 // set view
989 // store this in clientcamera, too
990         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
991         MSG_WriteByte (&client->netconnection->message, svc_setview);
992         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
993
994         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
995         MSG_WriteByte (&client->netconnection->message, 1);
996
997         client->spawned = false;                // need prespawn, spawn, etc
998         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
999
1000         // clear movement info until client enters the new level properly
1001         memset(&client->cmd, 0, sizeof(client->cmd));
1002         client->movesequence = 0;
1003         client->movement_highestsequence_seen = 0;
1004         memset(&client->movement_count, 0, sizeof(client->movement_count));
1005 #ifdef NUM_PING_TIMES
1006         for (i = 0;i < NUM_PING_TIMES;i++)
1007                 client->ping_times[i] = 0;
1008         client->num_pings = 0;
1009 #endif
1010         client->ping = 0;
1011
1012         // allow the client some time to send his keepalives, even if map loading took ages
1013         client->netconnection->timeout = realtime + net_connecttimeout.value;
1014 }
1015
1016 /*
1017 ================
1018 SV_ConnectClient
1019
1020 Initializes a client_t for a new net connection.  This will only be called
1021 once for a player each game, not once for each level change.
1022 ================
1023 */
1024 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
1025 {
1026         client_t                *client;
1027         int                             i;
1028
1029         client = svs.clients + clientnum;
1030
1031 // set up the client_t
1032         if (sv.loadgame)
1033         {
1034                 float backupparms[NUM_SPAWN_PARMS];
1035                 memcpy(backupparms, client->spawn_parms, sizeof(backupparms));
1036                 memset(client, 0, sizeof(*client));
1037                 memcpy(client->spawn_parms, backupparms, sizeof(backupparms));
1038         }
1039         else
1040                 memset(client, 0, sizeof(*client));
1041         client->active = true;
1042         client->netconnection = netconnection;
1043
1044         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
1045
1046         if(client->netconnection && client->netconnection->crypto.authenticated)
1047         {
1048                 Con_Printf("%s connection to %s has been established: client is %s@%.*s, I am %.*s@%.*s\n",
1049                                 client->netconnection->crypto.use_aes ? "Encrypted" : "Authenticated",
1050                                 client->netconnection->address,
1051                                 client->netconnection->crypto.client_idfp[0] ? client->netconnection->crypto.client_idfp : "-",
1052                                 crypto_keyfp_recommended_length, client->netconnection->crypto.client_keyfp[0] ? client->netconnection->crypto.client_keyfp : "-",
1053                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_idfp[0] ? client->netconnection->crypto.server_idfp : "-",
1054                                 crypto_keyfp_recommended_length, client->netconnection->crypto.server_keyfp[0] ? client->netconnection->crypto.server_keyfp : "-"
1055                                 );
1056         }
1057
1058         strlcpy(client->name, "unconnected", sizeof(client->name));
1059         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
1060         client->spawned = false;
1061         client->edict = PRVM_EDICT_NUM(clientnum+1);
1062         if (client->netconnection)
1063                 client->netconnection->message.allowoverflow = true;            // we can catch it
1064         // prepare the unreliable message buffer
1065         client->unreliablemsg.data = client->unreliablemsg_data;
1066         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
1067         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1068         client->rate = 1000000000;
1069         // no limits for local player
1070         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1071                 client->rate = 1000000000;
1072         client->connecttime = realtime;
1073
1074         if (!sv.loadgame)
1075         {
1076                 // call the progs to get default spawn parms for the new client
1077                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1078                 prog->globals.server->self = 0;
1079                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1080                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1081                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1082
1083                 // set up the entity for this client (including .colormap, .team, etc)
1084                 PRVM_ED_ClearEdict(client->edict);
1085         }
1086
1087         // don't call SendServerinfo for a fresh botclient because its fields have
1088         // not been set up by the qc yet
1089         if (client->netconnection)
1090                 SV_SendServerinfo (client);
1091         else
1092                 client->spawned = true;
1093 }
1094
1095
1096 /*
1097 ===============================================================================
1098
1099 FRAME UPDATES
1100
1101 ===============================================================================
1102 */
1103
1104 /*
1105 =============================================================================
1106
1107 The PVS must include a small area around the client to allow head bobbing
1108 or other small motion on the client side.  Otherwise, a bob might cause an
1109 entity that should be visible to not show up, especially when the bob
1110 crosses a waterline.
1111
1112 =============================================================================
1113 */
1114
1115 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1116 {
1117         int i;
1118         unsigned int sendflags;
1119         unsigned int version;
1120         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1121         unsigned int customizeentityforclient;
1122         unsigned int sendentity;
1123         float f;
1124         float *v;
1125         vec3_t cullmins, cullmaxs;
1126         dp_model_t *model;
1127
1128         // fast path for games that do not use legacy entity networking
1129         // note: still networks clients even if they are legacy
1130         sendentity = PRVM_serveredictfunction(ent, SendEntity);
1131         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1132                 return false;
1133
1134         // this 2 billion unit check is actually to detect NAN origins
1135         // (we really don't want to send those)
1136         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1137                 return false;
1138
1139         // EF_NODRAW prevents sending for any reason except for your own
1140         // client, so we must keep all clients in this superset
1141         effects = (unsigned)ent->fields.server->effects;
1142
1143         // we can omit invisible entities with no effects that are not clients
1144         // LordHavoc: this could kill tags attached to an invisible entity, I
1145         // just hope we never have to support that case
1146         i = (int)ent->fields.server->modelindex;
1147         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1148
1149         flags = 0;
1150         i = (int)(PRVM_serveredictfloat(ent, glow_size) * 0.25f);
1151         glowsize = (unsigned char)bound(0, i, 255);
1152         if (PRVM_serveredictfloat(ent, glow_trail))
1153                 flags |= RENDER_GLOWTRAIL;
1154         if (PRVM_serveredictedict(ent, viewmodelforclient))
1155                 flags |= RENDER_VIEWMODEL;
1156
1157         v = PRVM_serveredictvector(ent, color);
1158         f = v[0]*256;
1159         light[0] = (unsigned short)bound(0, f, 65535);
1160         f = v[1]*256;
1161         light[1] = (unsigned short)bound(0, f, 65535);
1162         f = v[2]*256;
1163         light[2] = (unsigned short)bound(0, f, 65535);
1164         f = PRVM_serveredictfloat(ent, light_lev);
1165         light[3] = (unsigned short)bound(0, f, 65535);
1166         lightstyle = (unsigned char)PRVM_serveredictfloat(ent, style);
1167         lightpflags = (unsigned char)PRVM_serveredictfloat(ent, pflags);
1168
1169         if (gamemode == GAME_TENEBRAE)
1170         {
1171                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1172                 if (effects & 16)
1173                 {
1174                         effects &= ~16;
1175                         lightpflags |= PFLAGS_FULLDYNAMIC;
1176                 }
1177                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1178                 if (effects & 32)
1179                 {
1180                         effects &= ~32;
1181                         light[0] = (int)(0.2*256);
1182                         light[1] = (int)(1.0*256);
1183                         light[2] = (int)(0.2*256);
1184                         light[3] = 200;
1185                         lightpflags |= PFLAGS_FULLDYNAMIC;
1186                 }
1187         }
1188
1189         specialvisibilityradius = 0;
1190         if (lightpflags & PFLAGS_FULLDYNAMIC)
1191                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1192         if (glowsize)
1193                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1194         if (flags & RENDER_GLOWTRAIL)
1195                 specialvisibilityradius = max(specialvisibilityradius, 100);
1196         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1197         {
1198                 if (effects & EF_BRIGHTFIELD)
1199                         specialvisibilityradius = max(specialvisibilityradius, 80);
1200                 if (effects & EF_MUZZLEFLASH)
1201                         specialvisibilityradius = max(specialvisibilityradius, 100);
1202                 if (effects & EF_BRIGHTLIGHT)
1203                         specialvisibilityradius = max(specialvisibilityradius, 400);
1204                 if (effects & EF_DIMLIGHT)
1205                         specialvisibilityradius = max(specialvisibilityradius, 200);
1206                 if (effects & EF_RED)
1207                         specialvisibilityradius = max(specialvisibilityradius, 200);
1208                 if (effects & EF_BLUE)
1209                         specialvisibilityradius = max(specialvisibilityradius, 200);
1210                 if (effects & EF_FLAME)
1211                         specialvisibilityradius = max(specialvisibilityradius, 250);
1212                 if (effects & EF_STARDUST)
1213                         specialvisibilityradius = max(specialvisibilityradius, 100);
1214         }
1215
1216         // early culling checks
1217         // (final culling is done by SV_MarkWriteEntityStateToClient)
1218         customizeentityforclient = PRVM_serveredictfunction(ent, customizeentityforclient);
1219         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1220                 return false;
1221
1222         *cs = defaultstate;
1223         cs->active = ACTIVE_NETWORK;
1224         cs->number = enumber;
1225         VectorCopy(ent->fields.server->origin, cs->origin);
1226         VectorCopy(ent->fields.server->angles, cs->angles);
1227         cs->flags = flags;
1228         cs->effects = effects;
1229         cs->colormap = (unsigned)ent->fields.server->colormap;
1230         cs->modelindex = modelindex;
1231         cs->skin = (unsigned)ent->fields.server->skin;
1232         cs->frame = (unsigned)ent->fields.server->frame;
1233         cs->viewmodelforclient = PRVM_serveredictedict(ent, viewmodelforclient);
1234         cs->exteriormodelforclient = PRVM_serveredictedict(ent, exteriormodeltoclient);
1235         cs->nodrawtoclient = PRVM_serveredictedict(ent, nodrawtoclient);
1236         cs->drawonlytoclient = PRVM_serveredictedict(ent, drawonlytoclient);
1237         cs->customizeentityforclient = customizeentityforclient;
1238         cs->tagentity = PRVM_serveredictedict(ent, tag_entity);
1239         cs->tagindex = (unsigned char)PRVM_serveredictfloat(ent, tag_index);
1240         cs->glowsize = glowsize;
1241
1242         // don't need to init cs->colormod because the defaultstate did that for us
1243         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1244         v = PRVM_serveredictvector(ent, colormod);
1245         if (VectorLength2(v))
1246         {
1247                 i = (int)(v[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1248                 i = (int)(v[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1249                 i = (int)(v[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1250         }
1251
1252         // don't need to init cs->glowmod because the defaultstate did that for us
1253         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1254         v = PRVM_serveredictvector(ent, glowmod);
1255         if (VectorLength2(v))
1256         {
1257                 i = (int)(v[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1258                 i = (int)(v[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1259                 i = (int)(v[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1260         }
1261
1262         cs->modelindex = modelindex;
1263
1264         cs->alpha = 255;
1265         f = (PRVM_serveredictfloat(ent, alpha) * 255.0f);
1266         if (f)
1267         {
1268                 i = (int)f;
1269                 cs->alpha = (unsigned char)bound(0, i, 255);
1270         }
1271         // halflife
1272         f = (PRVM_serveredictfloat(ent, renderamt));
1273         if (f)
1274         {
1275                 i = (int)f;
1276                 cs->alpha = (unsigned char)bound(0, i, 255);
1277         }
1278
1279         cs->scale = 16;
1280         f = (PRVM_serveredictfloat(ent, scale) * 16.0f);
1281         if (f)
1282         {
1283                 i = (int)f;
1284                 cs->scale = (unsigned char)bound(0, i, 255);
1285         }
1286
1287         cs->glowcolor = 254;
1288         f = PRVM_serveredictfloat(ent, glow_color);
1289         if (f)
1290                 cs->glowcolor = (int)f;
1291
1292         if (PRVM_serveredictfloat(ent, fullbright))
1293                 cs->effects |= EF_FULLBRIGHT;
1294
1295         f = PRVM_serveredictfloat(ent, modelflags);
1296         if (f)
1297                 cs->effects |= ((unsigned int)f & 0xff) << 24;
1298
1299         if (ent->fields.server->movetype == MOVETYPE_STEP)
1300                 cs->flags |= RENDER_STEP;
1301         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)
1302                 cs->flags |= RENDER_LOWPRECISION;
1303         if (ent->fields.server->colormap >= 1024)
1304                 cs->flags |= RENDER_COLORMAPPED;
1305         if (cs->viewmodelforclient)
1306                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1307
1308         if (PRVM_serveredictfloat(ent, sendcomplexanimation))
1309         {
1310                 cs->flags |= RENDER_COMPLEXANIMATION;
1311                 if (PRVM_serveredictfloat(ent, skeletonindex) >= 1)
1312                         cs->skeletonobject = ent->priv.server->skeleton;
1313                 cs->framegroupblend[0].frame = PRVM_serveredictfloat(ent, frame);
1314                 cs->framegroupblend[1].frame = PRVM_serveredictfloat(ent, frame2);
1315                 cs->framegroupblend[2].frame = PRVM_serveredictfloat(ent, frame3);
1316                 cs->framegroupblend[3].frame = PRVM_serveredictfloat(ent, frame4);
1317                 cs->framegroupblend[0].start = PRVM_serveredictfloat(ent, frame1time);
1318                 cs->framegroupblend[1].start = PRVM_serveredictfloat(ent, frame2time);
1319                 cs->framegroupblend[2].start = PRVM_serveredictfloat(ent, frame3time);
1320                 cs->framegroupblend[3].start = PRVM_serveredictfloat(ent, frame4time);
1321                 cs->framegroupblend[1].lerp = PRVM_serveredictfloat(ent, lerpfrac);
1322                 cs->framegroupblend[2].lerp = PRVM_serveredictfloat(ent, lerpfrac3);
1323                 cs->framegroupblend[3].lerp = PRVM_serveredictfloat(ent, lerpfrac4);
1324                 cs->framegroupblend[0].lerp = 1.0f - cs->framegroupblend[1].lerp - cs->framegroupblend[2].lerp - cs->framegroupblend[3].lerp;
1325         }
1326
1327         cs->light[0] = light[0];
1328         cs->light[1] = light[1];
1329         cs->light[2] = light[2];
1330         cs->light[3] = light[3];
1331         cs->lightstyle = lightstyle;
1332         cs->lightpflags = lightpflags;
1333
1334         cs->specialvisibilityradius = specialvisibilityradius;
1335
1336         // calculate the visible box of this entity (don't use the physics box
1337         // as that is often smaller than a model, and would not count
1338         // specialvisibilityradius)
1339         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1340         {
1341                 float scale = cs->scale * (1.0f / 16.0f);
1342                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1343                 {
1344                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1345                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1346                 }
1347                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1348                 {
1349                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1350                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1351                 }
1352                 else
1353                 {
1354                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1355                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1356                 }
1357         }
1358         else
1359         {
1360                 // if there is no model (or it could not be loaded), use the physics box
1361                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1362                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1363         }
1364         if (specialvisibilityradius)
1365         {
1366                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1367                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1368                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1369                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1370                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1371                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1372         }
1373
1374         // calculate center of bbox for network prioritization purposes
1375         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1376
1377         // if culling box has moved, update pvs cluster links
1378         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1379         {
1380                 VectorCopy(cullmins, ent->priv.server->cullmins);
1381                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1382                 // a value of -1 for pvs_numclusters indicates that the links are not
1383                 // cached, and should be re-tested each time, this is the case if the
1384                 // culling box touches too many pvs clusters to store, or if the world
1385                 // model does not support FindBoxClusters
1386                 ent->priv.server->pvs_numclusters = -1;
1387                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1388                 {
1389                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1390                         if (i <= MAX_ENTITYCLUSTERS)
1391                                 ent->priv.server->pvs_numclusters = i;
1392                 }
1393         }
1394
1395         // we need to do some csqc entity upkeep here
1396         // get self.SendFlags and clear them
1397         // (to let the QC know that they've been read)
1398         if (sendentity)
1399         {
1400                 sendflags = (unsigned int)PRVM_serveredictfloat(ent, SendFlags);
1401                 PRVM_serveredictfloat(ent, SendFlags) = 0;
1402                 // legacy self.Version system
1403                 if ((version = (unsigned int)PRVM_serveredictfloat(ent, Version)))
1404                 {
1405                         if (sv.csqcentityversion[enumber] != version)
1406                                 sendflags = 0xFFFFFF;
1407                         sv.csqcentityversion[enumber] = version;
1408                 }
1409                 // move sendflags into the per-client sendflags
1410                 if (sendflags)
1411                         for (i = 0;i < svs.maxclients;i++)
1412                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1413                 // mark it as inactive for non-csqc networking
1414                 cs->active = ACTIVE_SHARED;
1415         }
1416
1417         return true;
1418 }
1419
1420 void SV_PrepareEntitiesForSending(void)
1421 {
1422         int e;
1423         prvm_edict_t *ent;
1424         // send all entities that touch the pvs
1425         sv.numsendentities = 0;
1426         sv.sendentitiesindex[0] = NULL;
1427         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1428         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1429         {
1430                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1431                 {
1432                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1433                         sv.numsendentities++;
1434                 }
1435         }
1436 }
1437
1438 #define MAX_LINEOFSIGHTTRACES 64
1439
1440 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1441 {
1442         float pitchsign;
1443         float alpha;
1444         float starttransformed[3], endtransformed[3];
1445         int blocked = 0;
1446         int traceindex;
1447         int originalnumtouchedicts;
1448         int numtouchedicts = 0;
1449         int touchindex;
1450         matrix4x4_t matrix, imatrix;
1451         dp_model_t *model;
1452         prvm_edict_t *touch;
1453         static prvm_edict_t *touchedicts[MAX_EDICTS];
1454         vec3_t boxmins, boxmaxs;
1455         vec3_t clipboxmins, clipboxmaxs;
1456         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1457
1458         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1459
1460         // expand the box a little
1461         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1462         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1463         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1464         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1465         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1466         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1467
1468         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1469         for (traceindex = 1;traceindex < numtraces;traceindex++)
1470                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1471
1472         // calculate sweep box for the entire swarm of traces
1473         VectorCopy(eye, clipboxmins);
1474         VectorCopy(eye, clipboxmaxs);
1475         for (traceindex = 0;traceindex < numtraces;traceindex++)
1476         {
1477                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1478                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1479                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1480                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1481                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1482                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1483         }
1484
1485         // get the list of entities in the sweep box
1486         if (sv_cullentities_trace_entityocclusion.integer)
1487                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1488         if (numtouchedicts > MAX_EDICTS)
1489         {
1490                 // this never happens
1491                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1492                 numtouchedicts = MAX_EDICTS;
1493         }
1494         // iterate the entities found in the sweep box and filter them
1495         originalnumtouchedicts = numtouchedicts;
1496         numtouchedicts = 0;
1497         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1498         {
1499                 touch = touchedicts[touchindex];
1500                 if (touch->fields.server->solid != SOLID_BSP)
1501                         continue;
1502                 model = SV_GetModelFromEdict(touch);
1503                 if (!model || !model->brush.TraceLineOfSight)
1504                         continue;
1505                 // skip obviously transparent entities
1506                 alpha = PRVM_serveredictfloat(touch, alpha);
1507                 if (alpha && alpha < 1)
1508                         continue;
1509                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1510                         continue;
1511                 touchedicts[numtouchedicts++] = touch;
1512         }
1513
1514         // now that we have a filtered list of "interesting" entities, fire each
1515         // ray against all of them, this gives us an early-out case when something
1516         // is visible (which it often is)
1517
1518         for (traceindex = 0;traceindex < numtraces;traceindex++)
1519         {
1520                 // check world occlusion
1521                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1522                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1523                                 continue;
1524                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1525                 {
1526                         touch = touchedicts[touchindex];
1527                         model = SV_GetModelFromEdict(touch);
1528                         if(model && model->brush.TraceLineOfSight)
1529                         {
1530                                 // get the entity matrix
1531                                 pitchsign = SV_GetPitchSign(touch);
1532                                 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);
1533                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1534                                 // see if the ray hits this entity
1535                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1536                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1537                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1538                                 {
1539                                         blocked++;
1540                                         break;
1541                                 }
1542                         }
1543                 }
1544                 // check if the ray was blocked
1545                 if (touchindex < numtouchedicts)
1546                         continue;
1547                 // return if the ray was not blocked
1548                 return true;
1549         }
1550
1551         // no rays survived
1552         return false;
1553 }
1554
1555 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1556 {
1557         int isbmodel;
1558         dp_model_t *model;
1559         prvm_edict_t *ed;
1560         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1561                 return;
1562         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1563         sv.writeentitiestoclient_stats_totalentities++;
1564
1565         if (s->customizeentityforclient)
1566         {
1567                 prog->globals.server->self = s->number;
1568                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1569                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1570                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1571                         return;
1572         }
1573
1574         // never reject player
1575         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1576         {
1577                 // check various rejection conditions
1578                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1579                         return;
1580                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1581                         return;
1582                 if (s->effects & EF_NODRAW)
1583                         return;
1584                 // LordHavoc: only send entities with a model or important effects
1585                 if (!s->modelindex && s->specialvisibilityradius == 0)
1586                         return;
1587
1588                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1589                 // viewmodels don't have visibility checking
1590                 if (s->viewmodelforclient)
1591                 {
1592                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1593                                 return;
1594                 }
1595                 else if (s->tagentity)
1596                 {
1597                         // tag attached entities simply check their parent
1598                         if (!sv.sendentitiesindex[s->tagentity])
1599                                 return;
1600                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1601                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1602                                 return;
1603                 }
1604                 // always send world submodels in newer protocols because they don't
1605                 // generate much traffic (in old protocols they hog bandwidth)
1606                 // but only if sv_cullentities_nevercullbmodels is off
1607                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1608                 {
1609                         // entity has survived every check so far, check if visible
1610                         ed = PRVM_EDICT_NUM(s->number);
1611
1612                         // if not touching a visible leaf
1613                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1614                         {
1615                                 if (ed->priv.server->pvs_numclusters < 0)
1616                                 {
1617                                         // entity too big for clusters list
1618                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1619                                         {
1620                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1621                                                 return;
1622                                         }
1623                                 }
1624                                 else
1625                                 {
1626                                         int i;
1627                                         // check cached clusters list
1628                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1629                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1630                                                         break;
1631                                         if (i == ed->priv.server->pvs_numclusters)
1632                                         {
1633                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1634                                                 return;
1635                                         }
1636                                 }
1637                         }
1638
1639                         // or not seen by random tracelines
1640                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1641                         {
1642                                 int samples =
1643                                         s->number <= svs.maxclients
1644                                                 ? sv_cullentities_trace_samples_players.integer
1645                                                 :
1646                                         s->specialvisibilityradius
1647                                                 ? sv_cullentities_trace_samples_extra.integer
1648                                                 : sv_cullentities_trace_samples.integer;
1649                                 float enlarge = sv_cullentities_trace_enlarge.value;
1650
1651                                 if(samples > 0)
1652                                 {
1653                                         int eyeindex;
1654                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1655                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1656                                                         break;
1657                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1658                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1659                                                         realtime + (
1660                                                                 s->number <= svs.maxclients
1661                                                                         ? sv_cullentities_trace_delay_players.value
1662                                                                         : sv_cullentities_trace_delay.value
1663                                                         );
1664                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1665                                         {
1666                                                 sv.writeentitiestoclient_stats_culled_trace++;
1667                                                 return;
1668                                         }
1669                                 }
1670                         }
1671                 }
1672         }
1673
1674         // this just marks it for sending
1675         // FIXME: it would be more efficient to send here, but the entity
1676         // compressor isn't that flexible
1677         sv.writeentitiestoclient_stats_visibleentities++;
1678         sv.sententities[s->number] = sv.sententitiesmark;
1679 }
1680
1681 #if MAX_LEVELNETWORKEYES > 0
1682 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1683 void SV_AddCameraEyes(void)
1684 {
1685         int e, i, j, k;
1686         prvm_edict_t *ed;
1687         static int cameras[MAX_LEVELNETWORKEYES];
1688         static vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1689         static int eye_levels[MAX_CLIENTNETWORKEYES];
1690         int n_cameras = 0;
1691         vec3_t mi, ma;
1692
1693         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1694                 eye_levels[i] = 0;
1695
1696         // check line of sight to portal entities and add them to PVS
1697         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1698         {
1699                 if (!ed->priv.server->free)
1700                 {
1701                         if(PRVM_serveredictfunction(ed, camera_transform))
1702                         {
1703                                 prog->globals.server->self = e;
1704                                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1705                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_serverglobalvector(trace_endpos));
1706                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1707                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1708                                 PRVM_ExecuteProgram(PRVM_serveredictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1709                                 if(!VectorCompare(PRVM_serverglobalvector(trace_endpos), sv.writeentitiestoclient_eyes[0]))
1710                                 {
1711                                         VectorCopy(PRVM_serverglobalvector(trace_endpos), camera_origins[n_cameras]);
1712                                         cameras[n_cameras] = e;
1713                                         ++n_cameras;
1714                                         if(n_cameras >= MAX_LEVELNETWORKEYES)
1715                                                 break;
1716                                 }
1717                         }
1718                 }
1719         }
1720
1721         if(!n_cameras)
1722                 return;
1723
1724         // i is loop counter, is reset to 0 when an eye got added
1725         // j is camera index to check
1726         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1727         {
1728                 if(!cameras[j])
1729                         continue;
1730                 ed = PRVM_EDICT_NUM(cameras[j]);
1731                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1732                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1733                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1734                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1735                 {
1736                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1737                         {
1738                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1739                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1740                                 // 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);
1741                                 sv.writeentitiestoclient_numeyes++;
1742                                 cameras[j] = 0;
1743                                 i = 0;
1744                                 break;
1745                         }
1746                 }
1747         }
1748 }
1749 #else
1750 void SV_AddCameraEyes(void)
1751 {
1752 }
1753 #endif
1754
1755 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1756 {
1757         qboolean need_empty = false;
1758         int i, numsendstates, numcsqcsendstates;
1759         entity_state_t *s;
1760         prvm_edict_t *camera;
1761         qboolean success;
1762         vec3_t eye;
1763
1764         // if there isn't enough space to accomplish anything, skip it
1765         if (msg->cursize + 25 > maxsize)
1766                 return;
1767
1768         sv.writeentitiestoclient_msg = msg;
1769         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1770
1771         sv.writeentitiestoclient_stats_culled_pvs = 0;
1772         sv.writeentitiestoclient_stats_culled_trace = 0;
1773         sv.writeentitiestoclient_stats_visibleentities = 0;
1774         sv.writeentitiestoclient_stats_totalentities = 0;
1775         sv.writeentitiestoclient_numeyes = 0;
1776
1777         // get eye location
1778         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1779         camera = PRVM_EDICT_NUM( client->clientcamera );
1780         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1781         sv.writeentitiestoclient_pvsbytes = 0;
1782         // get the PVS values for the eye location, later FatPVS calls will merge
1783         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1784                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1785
1786         // add the eye to a list for SV_CanSeeBox tests
1787         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1788         sv.writeentitiestoclient_numeyes++;
1789
1790         // calculate predicted eye origin for SV_CanSeeBox tests
1791         if (sv_cullentities_trace_prediction.integer)
1792         {
1793                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1794                 vec3_t predeye;
1795                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1796                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1797                 {
1798                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1799                         sv.writeentitiestoclient_numeyes++;
1800                 }
1801                 //if (!sv.writeentitiestoclient_useprediction)
1802                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1803         }
1804
1805         SV_AddCameraEyes();
1806
1807         // build PVS from the new eyes
1808         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1809                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1810                         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);
1811
1812         sv.sententitiesmark++;
1813
1814         for (i = 0;i < sv.numsendentities;i++)
1815                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1816
1817         numsendstates = 0;
1818         numcsqcsendstates = 0;
1819         for (i = 0;i < sv.numsendentities;i++)
1820         {
1821                 s = &sv.sendentities[i];
1822                 if (sv.sententities[s->number] == sv.sententitiesmark)
1823                 {
1824                         if(s->active == ACTIVE_NETWORK)
1825                         {
1826                                 if (s->exteriormodelforclient)
1827                                 {
1828                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1829                                                 s->flags |= RENDER_EXTERIORMODEL;
1830                                         else
1831                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1832                                 }
1833                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1834                         }
1835                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1836                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1837                         else
1838                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1839                 }
1840         }
1841
1842         if (sv_cullentities_stats.integer)
1843                 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);
1844
1845         if(client->entitydatabase5)
1846                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1847         else
1848                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1849
1850         if(client->num_skippedentityframes >= 10)
1851                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1852
1853         if (client->entitydatabase5)
1854                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1855         else if (client->entitydatabase4)
1856         {
1857                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1858                 Protocol_WriteStatsReliable();
1859         }
1860         else if (client->entitydatabase)
1861         {
1862                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1863                 Protocol_WriteStatsReliable();
1864         }
1865         else
1866         {
1867                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1868                 Protocol_WriteStatsReliable();
1869         }
1870
1871         if(success)
1872                 client->num_skippedentityframes = 0;
1873         else
1874                 ++client->num_skippedentityframes;
1875 }
1876
1877 /*
1878 =============
1879 SV_CleanupEnts
1880
1881 =============
1882 */
1883 static void SV_CleanupEnts (void)
1884 {
1885         int             e;
1886         prvm_edict_t    *ent;
1887
1888         ent = PRVM_NEXT_EDICT(prog->edicts);
1889         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1890                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1891 }
1892
1893 /*
1894 ==================
1895 SV_WriteClientdataToMessage
1896
1897 ==================
1898 */
1899 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1900 {
1901         int             bits;
1902         int             i;
1903         prvm_edict_t    *other;
1904         int             items;
1905         vec3_t  punchvector;
1906         int             viewzoom;
1907         const char *s;
1908         float   *statsf = (float *)stats;
1909         float gravity;
1910
1911 //
1912 // send a damage message
1913 //
1914         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1915         {
1916                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1917                 MSG_WriteByte (msg, svc_damage);
1918                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1919                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1920                 for (i=0 ; i<3 ; i++)
1921                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1922
1923                 ent->fields.server->dmg_take = 0;
1924                 ent->fields.server->dmg_save = 0;
1925         }
1926
1927 //
1928 // send the current viewpos offset from the view entity
1929 //
1930         SV_SetIdealPitch ();            // how much to look up / down ideally
1931
1932 // a fixangle might get lost in a dropped packet.  Oh well.
1933         if(ent->fields.server->fixangle)
1934         {
1935                 // angle fixing was requested by global thinking code...
1936                 // so store the current angles for later use
1937                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1938                 host_client->fixangle_angles_set = TRUE;
1939
1940                 // and clear fixangle for the next frame
1941                 ent->fields.server->fixangle = 0;
1942         }
1943
1944         if (host_client->fixangle_angles_set)
1945         {
1946                 MSG_WriteByte (msg, svc_setangle);
1947                 for (i=0 ; i < 3 ; i++)
1948                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1949                 host_client->fixangle_angles_set = FALSE;
1950         }
1951
1952         // stuff the sigil bits into the high bits of items for sbar, or else
1953         // mix in items2
1954         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1955                 items = (int)ent->fields.server->items | ((int)PRVM_serveredictfloat(ent, items2) << 23);
1956         else
1957                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1958
1959         VectorCopy(PRVM_serveredictvector(ent, punchvector), punchvector);
1960
1961         // cache weapon model name and index in client struct to save time
1962         // (this search can be almost 1% of cpu time!)
1963         s = PRVM_GetString(ent->fields.server->weaponmodel);
1964         if (strcmp(s, client->weaponmodel))
1965         {
1966                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1967                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1968         }
1969
1970         viewzoom = (int)(PRVM_serveredictfloat(ent, viewzoom) * 255.0f);
1971         if (viewzoom == 0)
1972                 viewzoom = 255;
1973
1974         bits = 0;
1975
1976         if ((int)ent->fields.server->flags & FL_ONGROUND)
1977                 bits |= SU_ONGROUND;
1978         if (ent->fields.server->waterlevel >= 2)
1979                 bits |= SU_INWATER;
1980         if (ent->fields.server->idealpitch)
1981                 bits |= SU_IDEALPITCH;
1982
1983         for (i=0 ; i<3 ; i++)
1984         {
1985                 if (ent->fields.server->punchangle[i])
1986                         bits |= (SU_PUNCH1<<i);
1987                 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)
1988                         if (punchvector[i])
1989                                 bits |= (SU_PUNCHVEC1<<i);
1990                 if (ent->fields.server->velocity[i])
1991                         bits |= (SU_VELOCITY1<<i);
1992         }
1993
1994         gravity = PRVM_serveredictfloat(ent, gravity);if (!gravity) gravity = 1.0f;
1995
1996         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1997         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1998         stats[STAT_ITEMS] = items;
1999         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
2000         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
2001         stats[STAT_WEAPON] = client->weaponmodelindex;
2002         stats[STAT_HEALTH] = (int)ent->fields.server->health;
2003         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
2004         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
2005         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
2006         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
2007         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
2008         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
2009         stats[STAT_VIEWZOOM] = viewzoom;
2010         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
2011         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
2012         // the QC bumps these itself by sending svc_'s, so we have to keep them
2013         // zero or they'll be corrected by the engine
2014         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
2015         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
2016
2017         // movement settings for prediction
2018         // note: these are not sent in protocols with lower MAX_CL_STATS limits
2019         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
2020                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
2021                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
2022                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
2023         ;
2024         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
2025         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
2026         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
2027         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
2028         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
2029         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
2030         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
2031         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
2032         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
2033         statsf[STAT_MOVEVARS_ENTGRAVITY] = gravity;
2034         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
2035         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
2036         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
2037         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
2038         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
2039         statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR] = sv_airaccel_qw_stretchfactor.value;
2040         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
2041         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
2042         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
2043         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
2044         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
2045         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
2046         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
2047         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
2048         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
2049         statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY] = sv_aircontrol_penalty.value;
2050         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
2051         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
2052         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
2053         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
2054         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
2055         statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW] = sv_airspeedlimit_nonqw.value;
2056         statsf[STAT_FRAGLIMIT] = fraglimit.value;
2057         statsf[STAT_TIMELIMIT] = timelimit.value;
2058
2059         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)
2060         {
2061                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
2062                 bits |= SU_ITEMS;
2063                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
2064                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
2065                 bits |= SU_WEAPON;
2066                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
2067                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
2068                         if (viewzoom != 255)
2069                                 bits |= SU_VIEWZOOM;
2070         }
2071
2072         if (bits >= 65536)
2073                 bits |= SU_EXTEND1;
2074         if (bits >= 16777216)
2075                 bits |= SU_EXTEND2;
2076
2077         // send the data
2078         MSG_WriteByte (msg, svc_clientdata);
2079         MSG_WriteShort (msg, bits);
2080         if (bits & SU_EXTEND1)
2081                 MSG_WriteByte(msg, bits >> 16);
2082         if (bits & SU_EXTEND2)
2083                 MSG_WriteByte(msg, bits >> 24);
2084
2085         if (bits & SU_VIEWHEIGHT)
2086                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2087
2088         if (bits & SU_IDEALPITCH)
2089                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2090
2091         for (i=0 ; i<3 ; i++)
2092         {
2093                 if (bits & (SU_PUNCH1<<i))
2094                 {
2095                         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)
2096                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2097                         else
2098                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2099                 }
2100                 if (bits & (SU_PUNCHVEC1<<i))
2101                 {
2102                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2103                                 MSG_WriteCoord16i(msg, punchvector[i]);
2104                         else
2105                                 MSG_WriteCoord32f(msg, punchvector[i]);
2106                 }
2107                 if (bits & (SU_VELOCITY1<<i))
2108                 {
2109                         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)
2110                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2111                         else
2112                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2113                 }
2114         }
2115
2116         if (bits & SU_ITEMS)
2117                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2118
2119         if (sv.protocol == PROTOCOL_DARKPLACES5)
2120         {
2121                 if (bits & SU_WEAPONFRAME)
2122                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2123                 if (bits & SU_ARMOR)
2124                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2125                 if (bits & SU_WEAPON)
2126                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2127                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2128                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2129                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2130                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2131                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2132                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2133                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2134                 if (bits & SU_VIEWZOOM)
2135                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2136         }
2137         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)
2138         {
2139                 if (bits & SU_WEAPONFRAME)
2140                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2141                 if (bits & SU_ARMOR)
2142                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2143                 if (bits & SU_WEAPON)
2144                 {
2145                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2146                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2147                         else
2148                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2149                 }
2150                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2151                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2152                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2153                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2154                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2155                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2156                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2157                 {
2158                         for (i = 0;i < 32;i++)
2159                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2160                                         break;
2161                         MSG_WriteByte (msg, i);
2162                 }
2163                 else
2164                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2165                 if (bits & SU_VIEWZOOM)
2166                 {
2167                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2168                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2169                         else
2170                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2171                 }
2172         }
2173 }
2174
2175 void SV_FlushBroadcastMessages(void)
2176 {
2177         int i;
2178         client_t *client;
2179         if (sv.datagram.cursize <= 0)
2180                 return;
2181         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2182         {
2183                 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])))
2184                         continue;
2185                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2186                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2187         }
2188         SZ_Clear(&sv.datagram);
2189 }
2190
2191 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2192 {
2193         // scan the splitpoints to find out how many we can fit in
2194         int numsegments, j, split;
2195         if (!client->unreliablemsg_splitpoints)
2196                 return;
2197         // always accept the first one if it's within 1024 bytes, this ensures
2198         // that very big datagrams which are over the rate limit still get
2199         // through, just to keep it working
2200         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2201                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2202                         break;
2203         // the first segment gets an exemption from the rate limiting, otherwise
2204         // it could get dropped consistently due to a low rate limit
2205         if (numsegments == 1)
2206                 maxsize = maxsize2;
2207         // some will fit, so add the ones that will fit
2208         split = client->unreliablemsg_splitpoint[numsegments-1];
2209         // note this discards ones that were accepted by the segments scan but
2210         // can not fit, such as a really huge first one that will never ever
2211         // fit in a packet...
2212         if (msg->cursize + split <= maxsize)
2213                 SZ_Write(msg, client->unreliablemsg.data, split);
2214         // remove the part we sent, keeping any remaining data
2215         client->unreliablemsg.cursize -= split;
2216         if (client->unreliablemsg.cursize > 0)
2217                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2218         // adjust remaining splitpoints
2219         client->unreliablemsg_splitpoints -= numsegments;
2220         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2221                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2222 }
2223
2224 /*
2225 =======================
2226 SV_SendClientDatagram
2227 =======================
2228 */
2229 static void SV_SendClientDatagram (client_t *client)
2230 {
2231         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2232         sizebuf_t msg;
2233         int stats[MAX_CL_STATS];
2234         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2235
2236         // obey rate limit by limiting packet frequency if the packet size
2237         // limiting fails
2238         // (usually this is caused by reliable messages)
2239         if (!NetConn_CanSend(client->netconnection))
2240                 return;
2241
2242         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2243         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2244         if (sv_maxrate.integer != maxrate)
2245                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2246
2247         // clientrate determines the 'cleartime' of a packet
2248         // (how long to wait before sending another, based on this packet's size)
2249         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2250
2251         switch (sv.protocol)
2252         {
2253         case PROTOCOL_QUAKE:
2254         case PROTOCOL_QUAKEDP:
2255         case PROTOCOL_NEHAHRAMOVIE:
2256         case PROTOCOL_NEHAHRABJP:
2257         case PROTOCOL_NEHAHRABJP2:
2258         case PROTOCOL_NEHAHRABJP3:
2259         case PROTOCOL_QUAKEWORLD:
2260                 // no packet size limit support on Quake protocols because it just
2261                 // causes missing entities/effects
2262                 // packets are simply sent less often to obey the rate limit
2263                 maxsize = 1024;
2264                 maxsize2 = 1024;
2265                 break;
2266         case PROTOCOL_DARKPLACES1:
2267         case PROTOCOL_DARKPLACES2:
2268         case PROTOCOL_DARKPLACES3:
2269         case PROTOCOL_DARKPLACES4:
2270                 // no packet size limit support on DP1-4 protocols because they kick
2271                 // the client off if they overflow, and miss effects
2272                 // packets are simply sent less often to obey the rate limit
2273                 maxsize = sizeof(sv_sendclientdatagram_buf);
2274                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2275                 break;
2276         default:
2277                 // DP5 and later protocols support packet size limiting which is a
2278                 // better method than limiting packet frequency as QW does
2279                 //
2280                 // at very low rates (or very small sys_ticrate) the packet size is
2281                 // not reduced below 128, but packets may be sent less often
2282                 maxsize = (int)(clientrate * sys_ticrate.value);
2283                 maxsize = bound(128, maxsize, 1400);
2284                 maxsize2 = 1400;
2285                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2286                 // mods that use csqc (they are likely to use less bandwidth anyway)
2287                 if (sv.csqc_progsize > 0)
2288                         maxsize = maxsize2;
2289                 break;
2290         }
2291
2292         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2293         {
2294                 // for good singleplayer, send huge packets
2295                 maxsize = sizeof(sv_sendclientdatagram_buf);
2296                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2297                 // never limit frequency in singleplayer
2298                 clientrate = 1000000000;
2299         }
2300
2301         // while downloading, limit entity updates to half the packet
2302         // (any leftover space will be used for downloading)
2303         if (host_client->download_file)
2304                 maxsize /= 2;
2305
2306         msg.data = sv_sendclientdatagram_buf;
2307         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2308         msg.cursize = 0;
2309         msg.allowoverflow = false;
2310
2311         if (host_client->spawned)
2312         {
2313                 // the player is in the game
2314                 MSG_WriteByte (&msg, svc_time);
2315                 MSG_WriteFloat (&msg, sv.time);
2316
2317                 // add the client specific data to the datagram
2318                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2319                 // now update the stats[] array using any registered custom fields
2320                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2321                 // set host_client->statsdeltabits
2322                 Protocol_UpdateClientStats (stats);
2323
2324                 // add as many queued unreliable messages (effects) as we can fit
2325                 // limit effects to half of the remaining space
2326                 if (client->unreliablemsg.cursize)
2327                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2328
2329                 // now write as many entities as we can fit, and also sends stats
2330                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2331         }
2332         else if (realtime > client->keepalivetime)
2333         {
2334                 // the player isn't totally in the game yet
2335                 // send small keepalive messages if too much time has passed
2336                 // (may also be sending downloads)
2337                 client->keepalivetime = realtime + 5;
2338                 MSG_WriteChar (&msg, svc_nop);
2339         }
2340
2341         // if a download is active, see if there is room to fit some download data
2342         // in this packet
2343         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2344         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2345         {
2346                 fs_offset_t downloadstart;
2347                 unsigned char data[1400];
2348                 downloadstart = FS_Tell(host_client->download_file);
2349                 downloadsize = min(downloadsize, (int)sizeof(data));
2350                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2351                 // note this sends empty messages if at the end of the file, which is
2352                 // necessary to keep the packet loss logic working
2353                 // (the last blocks may be lost and need to be re-sent, and that will
2354                 //  only occur if the client acks the empty end messages, revealing
2355                 //  a gap in the download progress, causing the last blocks to be
2356                 //  sent again)
2357                 MSG_WriteChar (&msg, svc_downloaddata);
2358                 MSG_WriteLong (&msg, downloadstart);
2359                 MSG_WriteShort (&msg, downloadsize);
2360                 if (downloadsize > 0)
2361                         SZ_Write (&msg, data, downloadsize);
2362         }
2363
2364         // reliable only if none is in progress
2365         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2366                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2367         // unreliable
2368         SV_WriteDemoMessage(client, &msg, false);
2369
2370 // send the datagram
2371         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2372         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2373                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2374 }
2375
2376 /*
2377 =======================
2378 SV_UpdateToReliableMessages
2379 =======================
2380 */
2381 static void SV_UpdateToReliableMessages (void)
2382 {
2383         int i, j;
2384         client_t *client;
2385         const char *name;
2386         const char *model;
2387         const char *skin;
2388         int clientcamera;
2389
2390 // check for changes to be sent over the reliable streams
2391         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2392         {
2393                 // update the host_client fields we care about according to the entity fields
2394                 host_client->edict = PRVM_EDICT_NUM(i+1);
2395
2396                 // DP_SV_CLIENTNAME
2397                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2398                 if (name == NULL)
2399                         name = "";
2400                 // always point the string back at host_client->name to keep it safe
2401                 strlcpy (host_client->name, name, sizeof (host_client->name));
2402                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2403                 if (strcmp(host_client->old_name, host_client->name))
2404                 {
2405                         if (host_client->spawned)
2406                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2407                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2408                         // send notification to all clients
2409                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2410                         MSG_WriteByte (&sv.reliable_datagram, i);
2411                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2412                         SV_WriteNetnameIntoDemo(host_client);
2413                 }
2414
2415                 // DP_SV_CLIENTCOLORS
2416                 host_client->colors = (int)PRVM_serveredictfloat(host_client->edict, clientcolors);
2417                 if (host_client->old_colors != host_client->colors)
2418                 {
2419                         host_client->old_colors = host_client->colors;
2420                         // send notification to all clients
2421                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2422                         MSG_WriteByte (&sv.reliable_datagram, i);
2423                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2424                 }
2425
2426                 // NEXUIZ_PLAYERMODEL
2427                 model = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playermodel));
2428                 if (model == NULL)
2429                         model = "";
2430                 // always point the string back at host_client->name to keep it safe
2431                 strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2432                 PRVM_serveredictstring(host_client->edict, playermodel) = PRVM_SetEngineString(host_client->playermodel);
2433
2434                 // NEXUIZ_PLAYERSKIN
2435                 skin = PRVM_GetString(PRVM_serveredictstring(host_client->edict, playerskin));
2436                 if (skin == NULL)
2437                         skin = "";
2438                 // always point the string back at host_client->name to keep it safe
2439                 strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2440                 PRVM_serveredictstring(host_client->edict, playerskin) = PRVM_SetEngineString(host_client->playerskin);
2441
2442                 // TODO: add an extension name for this [1/17/2008 Black]
2443                 clientcamera = PRVM_serveredictedict(host_client->edict, clientcamera);
2444                 if (clientcamera > 0)
2445                 {
2446                         int oldclientcamera = host_client->clientcamera;
2447                         if (clientcamera >= prog->max_edicts || PRVM_EDICT_NUM(clientcamera)->priv.required->free)
2448                                 clientcamera = PRVM_NUM_FOR_EDICT(host_client->edict);
2449                         host_client->clientcamera = clientcamera;
2450
2451                         if (oldclientcamera != host_client->clientcamera)
2452                         {
2453                                 MSG_WriteByte(&host_client->netconnection->message, svc_setview);
2454                                 MSG_WriteShort(&host_client->netconnection->message, host_client->clientcamera);
2455                         }
2456                 }
2457
2458                 // frags
2459                 host_client->frags = (int)host_client->edict->fields.server->frags;
2460                 if(gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
2461                         if(!host_client->spawned && host_client->netconnection)
2462                                 host_client->frags = -666;
2463                 if (host_client->old_frags != host_client->frags)
2464                 {
2465                         host_client->old_frags = host_client->frags;
2466                         // send notification to all clients
2467                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2468                         MSG_WriteByte (&sv.reliable_datagram, i);
2469                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2470                 }
2471         }
2472
2473         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2474                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2475                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2476
2477         SZ_Clear (&sv.reliable_datagram);
2478 }
2479
2480
2481 /*
2482 =======================
2483 SV_SendClientMessages
2484 =======================
2485 */
2486 void SV_SendClientMessages (void)
2487 {
2488         int i, prepared = false;
2489
2490         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2491                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2492
2493         SV_FlushBroadcastMessages();
2494
2495 // update frags, names, etc
2496         SV_UpdateToReliableMessages();
2497
2498 // build individual updates
2499         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2500         {
2501                 if (!host_client->active)
2502                         continue;
2503                 if (!host_client->netconnection)
2504                         continue;
2505
2506                 if (host_client->netconnection->message.overflowed)
2507                 {
2508                         SV_DropClient (true);   // if the message couldn't send, kick off
2509                         continue;
2510                 }
2511
2512                 if (!prepared)
2513                 {
2514                         prepared = true;
2515                         // only prepare entities once per frame
2516                         SV_PrepareEntitiesForSending();
2517                 }
2518                 SV_SendClientDatagram (host_client);
2519         }
2520
2521 // clear muzzle flashes
2522         SV_CleanupEnts();
2523 }
2524
2525 static void SV_StartDownload_f(void)
2526 {
2527         if (host_client->download_file)
2528                 host_client->download_started = true;
2529 }
2530
2531 /*
2532  * Compression extension negotiation:
2533  *
2534  * Server to client:
2535  *   cl_serverextension_download 2
2536  *
2537  * Client to server:
2538  *   download <filename> <list of zero or more suppported compressions in order of preference>
2539  * e.g.
2540  *   download maps/map1.bsp lzo deflate huffman
2541  *
2542  * Server to client:
2543  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2544  * e.g.
2545  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2546  *
2547  * The server may choose not to compress the file by sending no compression name, like:
2548  *   cl_downloadbegin 345678 maps/map1.bsp
2549  *
2550  * NOTE: the "download" command may only specify compression algorithms if
2551  *       cl_serverextension_download is 2!
2552  *       If cl_serverextension_download has a different value, the client must
2553  *       assume this extension is not supported!
2554  */
2555
2556 static void Download_CheckExtensions(void)
2557 {
2558         int i;
2559         int argc = Cmd_Argc();
2560
2561         // first reset them all
2562         host_client->download_deflate = false;
2563         
2564         for(i = 2; i < argc; ++i)
2565         {
2566                 if(!strcmp(Cmd_Argv(i), "deflate"))
2567                 {
2568                         host_client->download_deflate = true;
2569                         break;
2570                 }
2571         }
2572 }
2573
2574 static void SV_Download_f(void)
2575 {
2576         const char *whichpack, *whichpack2, *extension;
2577         qboolean is_csqc; // so we need to check only once
2578
2579         if (Cmd_Argc() < 2)
2580         {
2581                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2582                 SV_ClientPrintf("       supported extensions: deflate\n");
2583                 return;
2584         }
2585
2586         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2587         {
2588                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2589                 return;
2590         }
2591
2592         if (host_client->download_file)
2593         {
2594                 // at this point we'll assume the previous download should be aborted
2595                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2596                 Host_ClientCommands("\nstopdownload\n");
2597
2598                 // close the file and reset variables
2599                 FS_Close(host_client->download_file);
2600                 host_client->download_file = NULL;
2601                 host_client->download_name[0] = 0;
2602                 host_client->download_expectedposition = 0;
2603                 host_client->download_started = false;
2604         }
2605
2606         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2607         
2608         if (!sv_allowdownloads.integer && !is_csqc)
2609         {
2610                 SV_ClientPrintf("Downloads are disabled on this server\n");
2611                 Host_ClientCommands("\nstopdownload\n");
2612                 return;
2613         }
2614
2615         Download_CheckExtensions();
2616
2617         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2618         extension = FS_FileExtension(host_client->download_name);
2619
2620         // host_client is asking to download a specified file
2621         if (developer_extra.integer)
2622                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2623
2624         if(is_csqc)
2625         {
2626                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2627                 extensions[0] = '\0';
2628                 
2629                 if(host_client->download_deflate)
2630                         strlcat(extensions, " deflate", sizeof(extensions));
2631                 
2632                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2633
2634                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2635                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2636                 else
2637                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2638                 
2639                 // no, no space is needed between %s and %s :P
2640                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2641
2642                 host_client->download_expectedposition = 0;
2643                 host_client->download_started = false;
2644                 host_client->sendsignon = true; // make sure this message is sent
2645                 return;
2646         }
2647
2648         if (!FS_FileExists(host_client->download_name))
2649         {
2650                 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);
2651                 Host_ClientCommands("\nstopdownload\n");
2652                 return;
2653         }
2654
2655         // check if the user is trying to download part of registered Quake(r)
2656         whichpack = FS_WhichPack(host_client->download_name);
2657         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2658         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2659         {
2660                 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);
2661                 Host_ClientCommands("\nstopdownload\n");
2662                 return;
2663         }
2664
2665         // check if the server has forbidden archive downloads entirely
2666         if (!sv_allowdownloads_inarchive.integer)
2667         {
2668                 whichpack = FS_WhichPack(host_client->download_name);
2669                 if (whichpack)
2670                 {
2671                         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);
2672                         Host_ClientCommands("\nstopdownload\n");
2673                         return;
2674                 }
2675         }
2676
2677         if (!sv_allowdownloads_config.integer)
2678         {
2679                 if (!strcasecmp(extension, "cfg"))
2680                 {
2681                         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);
2682                         Host_ClientCommands("\nstopdownload\n");
2683                         return;
2684                 }
2685         }
2686
2687         if (!sv_allowdownloads_dlcache.integer)
2688         {
2689                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2690                 {
2691                         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);
2692                         Host_ClientCommands("\nstopdownload\n");
2693                         return;
2694                 }
2695         }
2696
2697         if (!sv_allowdownloads_archive.integer)
2698         {
2699                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2700                 {
2701                         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);
2702                         Host_ClientCommands("\nstopdownload\n");
2703                         return;
2704                 }
2705         }
2706
2707         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2708         if (!host_client->download_file)
2709         {
2710                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2711                 Host_ClientCommands("\nstopdownload\n");
2712                 return;
2713         }
2714
2715         if (FS_FileSize(host_client->download_file) > 1<<30)
2716         {
2717                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2718                 Host_ClientCommands("\nstopdownload\n");
2719                 FS_Close(host_client->download_file);
2720                 host_client->download_file = NULL;
2721                 return;
2722         }
2723
2724         if (FS_FileSize(host_client->download_file) < 0)
2725         {
2726                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2727                 Host_ClientCommands("\nstopdownload\n");
2728                 FS_Close(host_client->download_file);
2729                 host_client->download_file = NULL;
2730                 return;
2731         }
2732
2733         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2734
2735         /*
2736          * we can only do this if we would actually deflate on the fly
2737          * which we do not (yet)!
2738         {
2739                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2740                 extensions[0] = '\0';
2741                 
2742                 if(host_client->download_deflate)
2743                         strlcat(extensions, " deflate", sizeof(extensions));
2744
2745                 // no, no space is needed between %s and %s :P
2746                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2747         }
2748         */
2749         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2750
2751         host_client->download_expectedposition = 0;
2752         host_client->download_started = false;
2753         host_client->sendsignon = true; // make sure this message is sent
2754
2755         // the rest of the download process is handled in SV_SendClientDatagram
2756         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2757         //
2758         // no svc_downloaddata messages will be sent until sv_startdownload is
2759         // sent by the client
2760 }
2761
2762 /*
2763 ==============================================================================
2764
2765 SERVER SPAWNING
2766
2767 ==============================================================================
2768 */
2769
2770 /*
2771 ================
2772 SV_ModelIndex
2773
2774 ================
2775 */
2776 int SV_ModelIndex(const char *s, int precachemode)
2777 {
2778         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);
2779         char filename[MAX_QPATH];
2780         if (!s || !*s)
2781                 return 0;
2782         // testing
2783         //if (precachemode == 2)
2784         //      return 0;
2785         strlcpy(filename, s, sizeof(filename));
2786         for (i = 2;i < limit;i++)
2787         {
2788                 if (!sv.model_precache[i][0])
2789                 {
2790                         if (precachemode)
2791                         {
2792                                 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))
2793                                 {
2794                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2795                                         return 0;
2796                                 }
2797                                 if (precachemode == 1)
2798                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2799                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2800                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2801                                 if (sv.state != ss_loading)
2802                                 {
2803                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2804                                         MSG_WriteShort(&sv.reliable_datagram, i);
2805                                         MSG_WriteString(&sv.reliable_datagram, filename);
2806                                 }
2807                                 return i;
2808                         }
2809                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2810                         return 0;
2811                 }
2812                 if (!strcmp(sv.model_precache[i], filename))
2813                         return i;
2814         }
2815         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2816         return 0;
2817 }
2818
2819 /*
2820 ================
2821 SV_SoundIndex
2822
2823 ================
2824 */
2825 int SV_SoundIndex(const char *s, int precachemode)
2826 {
2827         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);
2828         char filename[MAX_QPATH];
2829         if (!s || !*s)
2830                 return 0;
2831         // testing
2832         //if (precachemode == 2)
2833         //      return 0;
2834         strlcpy(filename, s, sizeof(filename));
2835         for (i = 1;i < limit;i++)
2836         {
2837                 if (!sv.sound_precache[i][0])
2838                 {
2839                         if (precachemode)
2840                         {
2841                                 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))
2842                                 {
2843                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2844                                         return 0;
2845                                 }
2846                                 if (precachemode == 1)
2847                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2848                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2849                                 if (sv.state != ss_loading)
2850                                 {
2851                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2852                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2853                                         MSG_WriteString(&sv.reliable_datagram, filename);
2854                                 }
2855                                 return i;
2856                         }
2857                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2858                         return 0;
2859                 }
2860                 if (!strcmp(sv.sound_precache[i], filename))
2861                         return i;
2862         }
2863         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2864         return 0;
2865 }
2866
2867 /*
2868 ================
2869 SV_ParticleEffectIndex
2870
2871 ================
2872 */
2873 int SV_ParticleEffectIndex(const char *name)
2874 {
2875         int i, argc, linenumber, effectnameindex;
2876         int filepass;
2877         fs_offset_t filesize;
2878         unsigned char *filedata;
2879         const char *text;
2880         const char *textstart;
2881         //const char *textend;
2882         char argv[16][1024];
2883         char filename[MAX_QPATH];
2884         if (!sv.particleeffectnamesloaded)
2885         {
2886                 sv.particleeffectnamesloaded = true;
2887                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2888                 for (i = 0;i < EFFECT_TOTAL;i++)
2889                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2890                 for (filepass = 0;;filepass++)
2891                 {
2892                         if (filepass == 0)
2893                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2894                         else if (filepass == 1)
2895                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2896                         else
2897                                 break;
2898                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2899                         if (!filedata)
2900                                 continue;
2901                         textstart = (const char *)filedata;
2902                         //textend = (const char *)filedata + filesize;
2903                         text = textstart;
2904                         for (linenumber = 1;;linenumber++)
2905                         {
2906                                 argc = 0;
2907                                 for (;;)
2908                                 {
2909                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2910                                                 break;
2911                                         if (argc < 16)
2912                                         {
2913                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2914                                                 argc++;
2915                                         }
2916                                 }
2917                                 if (com_token[0] == 0)
2918                                         break; // if the loop exited and it's not a \n, it's EOF
2919                                 if (argc < 1)
2920                                         continue;
2921                                 if (!strcmp(argv[0], "effect"))
2922                                 {
2923                                         if (argc == 2)
2924                                         {
2925                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2926                                                 {
2927                                                         if (sv.particleeffectname[effectnameindex][0])
2928                                                         {
2929                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2930                                                                         break;
2931                                                         }
2932                                                         else
2933                                                         {
2934                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2935                                                                 break;
2936                                                         }
2937                                                 }
2938                                                 // if we run out of names, abort
2939                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2940                                                 {
2941                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2942                                                         break;
2943                                                 }
2944                                         }
2945                                 }
2946                         }
2947                         Mem_Free(filedata);
2948                 }
2949         }
2950         // search for the name
2951         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2952                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2953                         return effectnameindex;
2954         // return 0 if we couldn't find it
2955         return 0;
2956 }
2957
2958 dp_model_t *SV_GetModelByIndex(int modelindex)
2959 {
2960         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2961 }
2962
2963 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2964 {
2965         int modelindex;
2966         if (!ed || ed->priv.server->free)
2967                 return NULL;
2968         modelindex = (int)ed->fields.server->modelindex;
2969         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2970 }
2971
2972 /*
2973 ================
2974 SV_CreateBaseline
2975
2976 ================
2977 */
2978 static void SV_CreateBaseline (void)
2979 {
2980         int i, entnum, large;
2981         prvm_edict_t *svent;
2982
2983         // LordHavoc: clear *all* states (note just active ones)
2984         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2985         {
2986                 // get the current server version
2987                 svent = PRVM_EDICT_NUM(entnum);
2988
2989                 // LordHavoc: always clear state values, whether the entity is in use or not
2990                 svent->priv.server->baseline = defaultstate;
2991
2992                 if (svent->priv.server->free)
2993                         continue;
2994                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2995                         continue;
2996
2997                 // create entity baseline
2998                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2999                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
3000                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
3001                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
3002                 if (entnum > 0 && entnum <= svs.maxclients)
3003                 {
3004                         svent->priv.server->baseline.colormap = entnum;
3005                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
3006                 }
3007                 else
3008                 {
3009                         svent->priv.server->baseline.colormap = 0;
3010                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
3011                 }
3012
3013                 large = false;
3014                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
3015                 {
3016                         large = true;
3017                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3018                                 large = false;
3019                 }
3020
3021                 // add to the message
3022                 if (large)
3023                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
3024                 else
3025                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
3026                 MSG_WriteShort (&sv.signon, entnum);
3027
3028                 if (large)
3029                 {
3030                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3031                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
3032                 }
3033                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3034                 {
3035                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
3036                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3037                 }
3038                 else
3039                 {
3040                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
3041                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
3042                 }
3043                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
3044                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
3045                 for (i=0 ; i<3 ; i++)
3046                 {
3047                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
3048                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
3049                 }
3050         }
3051 }
3052
3053 /*
3054 ================
3055 SV_Prepare_CSQC
3056
3057 Load csprogs.dat and comperss it so it doesn't need to be
3058 reloaded on request.
3059 ================
3060 */
3061 void SV_Prepare_CSQC(void)
3062 {
3063         fs_offset_t progsize;
3064
3065         if(svs.csqc_progdata)
3066         {
3067                 Con_DPrintf("Unloading old CSQC data.\n");
3068                 Mem_Free(svs.csqc_progdata);
3069                 if(svs.csqc_progdata_deflated)
3070                         Mem_Free(svs.csqc_progdata_deflated);
3071         }
3072
3073         svs.csqc_progdata = NULL;
3074         svs.csqc_progdata_deflated = NULL;
3075         
3076         sv.csqc_progname[0] = 0;
3077         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3078
3079         if(progsize > 0)
3080         {
3081                 size_t deflated_size;
3082
3083                 sv.csqc_progsize = (int)progsize;
3084                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3085                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3086                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3087
3088                 Con_DPrint("Compressing csprogs.dat\n");
3089                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3090                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3091                 svs.csqc_progsize_deflated = (int)deflated_size;
3092                 if(svs.csqc_progdata_deflated)
3093                 {
3094                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3095                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3096                 }
3097                 else
3098                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3099         }
3100 }
3101
3102 /*
3103 ================
3104 SV_SaveSpawnparms
3105
3106 Grabs the current state of each client for saving across the
3107 transition to another level
3108 ================
3109 */
3110 void SV_SaveSpawnparms (void)
3111 {
3112         int             i, j;
3113
3114         svs.serverflags = (int)prog->globals.server->serverflags;
3115
3116         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3117         {
3118                 if (!host_client->active)
3119                         continue;
3120
3121         // call the progs to get default spawn parms for the new client
3122                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3123                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3124                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3125                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3126         }
3127 }
3128
3129 /*
3130 ================
3131 SV_SpawnServer
3132
3133 This is called at the start of each level
3134 ================
3135 */
3136
3137 void SV_SpawnServer (const char *server)
3138 {
3139         prvm_edict_t *ent;
3140         int i;
3141         char *entities;
3142         dp_model_t *worldmodel;
3143         char modelname[sizeof(sv.worldname)];
3144
3145         Con_DPrintf("SpawnServer: %s\n", server);
3146
3147         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3148
3149         if (!FS_FileExists(modelname))
3150         {
3151                 dpsnprintf (modelname, sizeof(modelname), "maps/%s", server);
3152                 if (!FS_FileExists(modelname))
3153                 {
3154                         Con_Printf("SpawnServer: no map file named maps/%s.bsp\n", server);
3155                         return;
3156                 }
3157         }
3158
3159         if (cls.state != ca_dedicated)
3160         {
3161                 SCR_BeginLoadingPlaque();
3162                 S_StopAllSounds();
3163         }
3164
3165         if(sv.active)
3166         {
3167                 SV_VM_Begin();
3168                 World_End(&sv.world);
3169                 if(PRVM_serverfunction(SV_Shutdown))
3170                 {
3171                         func_t s = PRVM_serverfunction(SV_Shutdown);
3172                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
3173                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3174                 }
3175                 SV_VM_End();
3176         }
3177
3178         // free q3 shaders so that any newly downloaded shaders will be active
3179         Mod_FreeQ3Shaders();
3180
3181         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3182         if (!worldmodel || !worldmodel->TraceBox)
3183         {
3184                 Con_Printf("Couldn't load map %s\n", modelname);
3185                 return;
3186         }
3187
3188         Collision_Cache_Reset(true);
3189
3190         // let's not have any servers with no name
3191         if (hostname.string[0] == 0)
3192                 Cvar_Set ("hostname", "UNNAMED");
3193         scr_centertime_off = 0;
3194
3195         svs.changelevel_issued = false;         // now safe to issue another
3196
3197         // make the map a required file for clients
3198         Curl_ClearRequirements();
3199         Curl_RequireFile(modelname);
3200
3201 //
3202 // tell all connected clients that we are going to a new level
3203 //
3204         if (sv.active)
3205         {
3206                 client_t *client;
3207                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3208                 {
3209                         if (client->netconnection)
3210                         {
3211                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3212                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3213                         }
3214                 }
3215         }
3216         else
3217         {
3218                 // open server port
3219                 NetConn_OpenServerPorts(true);
3220         }
3221
3222 //
3223 // make cvars consistant
3224 //
3225         if (coop.integer)
3226                 Cvar_SetValue ("deathmatch", 0);
3227         // LordHavoc: it can be useful to have skills outside the range 0-3...
3228         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
3229         //Cvar_SetValue ("skill", (float)current_skill);
3230         current_skill = (int)(skill.value + 0.5);
3231
3232 //
3233 // set up the new server
3234 //
3235         memset (&sv, 0, sizeof(sv));
3236         // if running a local client, make sure it doesn't try to access the last
3237         // level's data which is no longer valiud
3238         cls.signon = 0;
3239
3240         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
3241
3242         if(*sv_random_seed.string)
3243         {
3244                 srand(sv_random_seed.integer);
3245                 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);
3246         }
3247
3248         SV_VM_Setup();
3249
3250         sv.active = true;
3251
3252         // set level base name variables for later use
3253         strlcpy (sv.name, server, sizeof (sv.name));
3254         strlcpy(sv.worldname, modelname, sizeof(sv.worldname));
3255         FS_StripExtension(sv.worldname, sv.worldnamenoextension, sizeof(sv.worldnamenoextension));
3256         strlcpy(sv.worldbasename, !strncmp(sv.worldnamenoextension, "maps/", 5) ? sv.worldnamenoextension + 5 : sv.worldnamenoextension, sizeof(sv.worldbasename));
3257         //Cvar_SetQuick(&sv_worldmessage, sv.worldmessage); // set later after QC is spawned
3258         Cvar_SetQuick(&sv_worldname, sv.worldname);
3259         Cvar_SetQuick(&sv_worldnamenoextension, sv.worldnamenoextension);
3260         Cvar_SetQuick(&sv_worldbasename, sv.worldbasename);
3261
3262         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
3263         if (sv.protocol == PROTOCOL_UNKNOWN)
3264         {
3265                 char buffer[1024];
3266                 Protocol_Names(buffer, sizeof(buffer));
3267                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
3268                 sv.protocol = PROTOCOL_QUAKE;
3269         }
3270
3271         SV_VM_Begin();
3272
3273 // load progs to get entity field count
3274         //PR_LoadProgs ( sv_progs.string );
3275
3276         sv.datagram.maxsize = sizeof(sv.datagram_buf);
3277         sv.datagram.cursize = 0;
3278         sv.datagram.data = sv.datagram_buf;
3279
3280         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
3281         sv.reliable_datagram.cursize = 0;
3282         sv.reliable_datagram.data = sv.reliable_datagram_buf;
3283
3284         sv.signon.maxsize = sizeof(sv.signon_buf);
3285         sv.signon.cursize = 0;
3286         sv.signon.data = sv.signon_buf;
3287
3288 // leave slots at start for clients only
3289         //prog->num_edicts = svs.maxclients+1;
3290
3291         sv.state = ss_loading;
3292         prog->allowworldwrites = true;
3293         sv.paused = false;
3294
3295         prog->globals.server->time = sv.time = 1.0;
3296
3297         Mod_ClearUsed();
3298         worldmodel->used = true;
3299
3300         sv.worldmodel = worldmodel;
3301         sv.models[1] = sv.worldmodel;
3302
3303 //
3304 // clear world interaction links
3305 //
3306         World_SetSize(&sv.world, sv.worldname, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
3307         World_Start(&sv.world);
3308
3309         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
3310
3311         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
3312         strlcpy(sv.model_precache[1], sv.worldname, sizeof(sv.model_precache[1]));
3313         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
3314         {
3315                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
3316                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.worldname);
3317         }
3318         if(i < sv.worldmodel->brush.numsubmodels)
3319                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
3320
3321 //
3322 // load the rest of the entities
3323 //
3324         // AK possible hack since num_edicts is still 0
3325         ent = PRVM_EDICT_NUM(0);
3326         memset (ent->fields.server, 0, prog->entityfields * 4);
3327         ent->priv.server->free = false;
3328         ent->fields.server->model = PRVM_SetEngineString(sv.worldname);
3329         ent->fields.server->modelindex = 1;             // world model
3330         ent->fields.server->solid = SOLID_BSP;
3331         ent->fields.server->movetype = MOVETYPE_PUSH;
3332         VectorCopy(sv.world.mins, ent->fields.server->mins);
3333         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
3334         VectorCopy(sv.world.mins, ent->fields.server->absmin);
3335         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
3336
3337         if (coop.value)
3338                 prog->globals.server->coop = coop.integer;
3339         else
3340                 prog->globals.server->deathmatch = deathmatch.integer;
3341
3342         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
3343
3344 // serverflags are for cross level information (sigils)
3345         prog->globals.server->serverflags = svs.serverflags;
3346
3347         // we need to reset the spawned flag on all connected clients here so that
3348         // their thinks don't run during startup (before PutClientInServer)
3349         // we also need to set up the client entities now
3350         // and we need to set the ->edict pointers to point into the progs edicts
3351         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3352         {
3353                 host_client->spawned = false;
3354                 host_client->edict = PRVM_EDICT_NUM(i + 1);
3355                 PRVM_ED_ClearEdict(host_client->edict);
3356         }
3357
3358         // load replacement entity file if found
3359         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("%s.ent", sv.worldnamenoextension), tempmempool, true, NULL)))
3360         {
3361                 Con_Printf("Loaded %s.ent\n", sv.worldnamenoextension);
3362                 PRVM_ED_LoadFromFile (entities);
3363                 Mem_Free(entities);
3364         }
3365         else
3366                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
3367
3368
3369         // LordHavoc: clear world angles (to fix e3m3.bsp)
3370         VectorClear(prog->edicts->fields.server->angles);
3371
3372 // all setup is completed, any further precache statements are errors
3373 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3374         prog->allowworldwrites = false;
3375
3376 // run two frames to allow everything to settle
3377         prog->globals.server->time = sv.time = 1.0001;
3378         for (i = 0;i < 2;i++)
3379         {
3380                 sv.frametime = 0.1;
3381                 SV_Physics ();
3382         }
3383
3384         if (cls.state == ca_dedicated)
3385                 Mod_PurgeUnused();
3386
3387 // create a baseline for more efficient communications
3388         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)
3389                 SV_CreateBaseline ();
3390
3391         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3392
3393         // to prevent network timeouts
3394         realtime = Sys_DoubleTime();
3395         
3396 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3397         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3398         {
3399                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3400                 if (!host_client->active)
3401                         continue;
3402                 if (host_client->netconnection)
3403                         SV_SendServerinfo(host_client);
3404                 else
3405                 {
3406                         int j;
3407                         // if client is a botclient coming from a level change, we need to
3408                         // set up client info that normally requires networking
3409
3410                         // copy spawn parms out of the client_t
3411                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3412                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3413
3414                         // call the spawn function
3415                         host_client->clientconnectcalled = true;
3416                         prog->globals.server->time = sv.time;
3417                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3418                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3419                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3420                         host_client->spawned = true;
3421                 }
3422         }
3423
3424         // update the map title cvar
3425         strlcpy(sv.worldmessage, PRVM_GetString(prog->edicts->fields.server->message), sizeof(sv.worldmessage)); // map title (not related to filename)
3426         Cvar_SetQuick(&sv_worldmessage, sv.worldmessage);
3427
3428         Con_DPrint("Server spawned.\n");
3429         NetConn_Heartbeat (2);
3430
3431         SV_VM_End();
3432 }
3433
3434 /////////////////////////////////////////////////////
3435 // SV VM stuff
3436
3437 static void SV_VM_CB_BeginIncreaseEdicts(void)
3438 {
3439         // links don't survive the transition, so unlink everything
3440         World_UnlinkAll(&sv.world);
3441 }
3442
3443 static void SV_VM_CB_EndIncreaseEdicts(void)
3444 {
3445         int i;
3446         prvm_edict_t *ent;
3447
3448         // link every entity except world
3449         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
3450                 if (!ent->priv.server->free)
3451                         SV_LinkEdict(ent);
3452 }
3453
3454 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3455 {
3456         // LordHavoc: for consistency set these here
3457         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3458
3459         e->priv.server->move = false; // don't move on first frame
3460
3461         if (num >= 0 && num < svs.maxclients)
3462         {
3463                 // set colormap and team on newly created player entity
3464                 e->fields.server->colormap = num + 1;
3465                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3466                 // set netname/clientcolors back to client values so that
3467                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3468                 // reset them
3469                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3470                 PRVM_serveredictfloat(e, clientcolors) = svs.clients[num].colors;
3471                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3472                 PRVM_serveredictstring(e, playermodel) = PRVM_SetEngineString(svs.clients[num].playermodel);
3473                 PRVM_serveredictstring(e, playerskin) = PRVM_SetEngineString(svs.clients[num].playerskin);
3474                 // Assign netaddress (IP Address, etc)
3475                 if(svs.clients[num].netconnection != NULL)
3476                 {
3477                         // Acquire Readable Address
3478                         LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3479                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString(svs.clients[num].netaddress);
3480                 }
3481                 else
3482                         PRVM_serveredictstring(e, netaddress) = PRVM_SetEngineString("null/botclient");
3483                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_idfp[0])
3484                         PRVM_serveredictstring(e, crypto_idfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_idfp);
3485                 else
3486                         PRVM_serveredictstring(e, crypto_idfp) = 0;
3487                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.client_keyfp[0])
3488                         PRVM_serveredictstring(e, crypto_keyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.client_keyfp);
3489                 else
3490                         PRVM_serveredictstring(e, crypto_keyfp) = 0;
3491                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.server_keyfp[0])
3492                         PRVM_serveredictstring(e, crypto_mykeyfp) = PRVM_SetEngineString(svs.clients[num].netconnection->crypto.server_keyfp);
3493                 else
3494                         PRVM_serveredictstring(e, crypto_mykeyfp) = 0;
3495                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated && svs.clients[num].netconnection->crypto.use_aes)
3496                         PRVM_serveredictstring(e, crypto_encryptmethod) = PRVM_SetEngineString("AES128");
3497                 else
3498                         PRVM_serveredictstring(e, crypto_encryptmethod) = 0;
3499                 if(svs.clients[num].netconnection != NULL && svs.clients[num].netconnection->crypto.authenticated)
3500                         PRVM_serveredictstring(e, crypto_signmethod) = PRVM_SetEngineString("HMAC-SHA256");
3501                 else
3502                         PRVM_serveredictstring(e, crypto_signmethod) = 0;
3503         }
3504 }
3505
3506 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3507 {
3508         int i;
3509         int e;
3510
3511         World_UnlinkEdict(ed);          // unlink from world bsp
3512
3513         ed->fields.server->model = 0;
3514         ed->fields.server->takedamage = 0;
3515         ed->fields.server->modelindex = 0;
3516         ed->fields.server->colormap = 0;
3517         ed->fields.server->skin = 0;
3518         ed->fields.server->frame = 0;
3519         VectorClear(ed->fields.server->origin);
3520         VectorClear(ed->fields.server->angles);
3521         ed->fields.server->nextthink = -1;
3522         ed->fields.server->solid = 0;
3523
3524         VM_RemoveEdictSkeleton(ed);
3525         World_Physics_RemoveFromEntity(&sv.world, ed);
3526         World_Physics_RemoveJointFromEntity(&sv.world, ed);
3527
3528         // make sure csqc networking is aware of the removed entity
3529         e = PRVM_NUM_FOR_EDICT(ed);
3530         sv.csqcentityversion[e] = 0;
3531         for (i = 0;i < svs.maxclients;i++)
3532         {
3533                 if (svs.clients[i].csqcentityscope[e])
3534                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3535                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3536         }
3537 }
3538
3539 static void SV_VM_CB_CountEdicts(void)
3540 {
3541         int             i;
3542         prvm_edict_t    *ent;
3543         int             active, models, solid, step;
3544
3545         active = models = solid = step = 0;
3546         for (i=0 ; i<prog->num_edicts ; i++)
3547         {
3548                 ent = PRVM_EDICT_NUM(i);
3549                 if (ent->priv.server->free)
3550                         continue;
3551                 active++;
3552                 if (ent->fields.server->solid)
3553                         solid++;
3554                 if (ent->fields.server->model)
3555                         models++;
3556                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3557                         step++;
3558         }
3559
3560         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3561         Con_Printf("active    :%3i\n", active);
3562         Con_Printf("view      :%3i\n", models);
3563         Con_Printf("touch     :%3i\n", solid);
3564         Con_Printf("step      :%3i\n", step);
3565 }
3566
3567 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3568 {
3569         // remove things from different skill levels or deathmatch
3570         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3571         {
3572                 if (deathmatch.integer)
3573                 {
3574                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3575                         {
3576                                 return false;
3577                         }
3578                 }
3579                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3580                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3581                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3582                 {
3583                         return false;
3584                 }
3585         }
3586         return true;
3587 }
3588
3589 static void SV_VM_Setup(void)
3590 {
3591         PRVM_Begin;
3592         PRVM_InitProg( PRVM_SERVERPROG );
3593
3594         // allocate the mempools
3595         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3596         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3597         prog->builtins = vm_sv_builtins;
3598         prog->numbuiltins = vm_sv_numbuiltins;
3599         prog->headercrc = PROGHEADER_CRC;
3600         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3601         prog->max_edicts = 512;
3602         if (sv.protocol == PROTOCOL_QUAKE)
3603                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3604         else if (sv.protocol == PROTOCOL_QUAKEDP)
3605                 prog->limit_edicts = 2048; // guessing
3606         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3607                 prog->limit_edicts = 2048; // guessing!
3608         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3609                 prog->limit_edicts = 4096; // guessing!
3610         else
3611                 prog->limit_edicts = MAX_EDICTS;
3612         prog->reserved_edicts = svs.maxclients;
3613         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3614         prog->name = "server";
3615         prog->extensionstring = vm_sv_extensions;
3616         prog->loadintoworld = true;
3617
3618         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3619         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3620         prog->init_edict = SV_VM_CB_InitEdict;
3621         prog->free_edict = SV_VM_CB_FreeEdict;
3622         prog->count_edicts = SV_VM_CB_CountEdicts;
3623         prog->load_edict = SV_VM_CB_LoadEdict;
3624         prog->init_cmd = VM_SV_Cmd_Init;
3625         prog->reset_cmd = VM_SV_Cmd_Reset;
3626         prog->error_cmd = Host_Error;
3627         prog->ExecuteProgram = SVVM_ExecuteProgram;
3628
3629         PRVM_LoadProgs( sv_progs.string, SV_REQFUNCS, sv_reqfuncs, SV_REQFIELDS, sv_reqfields, SV_REQGLOBALS, sv_reqglobals);
3630
3631         // some mods compiled with scrambling compilers lack certain critical
3632         // global names and field names such as "self" and "time" and "nextthink"
3633         // so we have to set these offsets manually, matching the entvars_t
3634         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3635         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3636         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3637         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3638         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3639         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3640         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3641         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3642         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3643         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3644         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3645         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3646         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3647         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3648         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3649         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3650         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3651         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3652         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3653         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3654         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3655         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3656         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3657         // OP_STATE is always supported on server (due to entvars_t)
3658         prog->flag |= PRVM_OP_STATE;
3659
3660         VM_CustomStats_Clear();//[515]: csqc
3661
3662         PRVM_End;
3663
3664         SV_Prepare_CSQC();
3665 }
3666
3667 void SV_VM_Begin(void)
3668 {
3669         PRVM_Begin;
3670         PRVM_SetProg( PRVM_SERVERPROG );
3671
3672         prog->globals.server->time = (float) sv.time;
3673 }
3674
3675 void SV_VM_End(void)
3676 {
3677         PRVM_End;
3678 }