sv_airstrafeaccel_qw cvar for tuning CPMA-style physics
[xonotic/darkplaces.git] / sv_main.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // sv_main.c -- server main program
21
22 #include "quakedef.h"
23 #include "sv_demo.h"
24 #include "libcurl.h"
25 #include "csprogs.h"
26
27 static void SV_SaveEntFile_f(void);
28 static void SV_StartDownload_f(void);
29 static void SV_Download_f(void);
30 static void SV_VM_Setup(void);
31 extern cvar_t net_connecttimeout;
32
33 void VM_CustomStats_Clear (void);
34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
35
36 cvar_t sv_worldmessage = {CVAR_READONLY, "sv_worldmessage", "", "title of current level"};
37 cvar_t sv_worldname = {CVAR_READONLY, "sv_worldname", "", "name of current worldmodel"};
38 cvar_t sv_worldnamenoextension = {CVAR_READONLY, "sv_worldnamenoextension", "", "name of current worldmodel without extension"};
39 cvar_t sv_worldbasename = {CVAR_READONLY, "sv_worldbasename", "", "name of current worldmodel without maps/ prefix or extension"};
40
41 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
42 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
43 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
44 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
45 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
46 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
47 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
48 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
49 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
50 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
51 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
52
53 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
54 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
55 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration; when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
56 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
57 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
58 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
59 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
60 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
61 cvar_t sv_airstrafeaccel_qw = {0, "sv_airstrafeaccel_qw", "0", "when set, replacement for sv_airaccel_qw when just strafing"};
62 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
63 cvar_t sv_aircontrol_power = {0, "sv_aircontrol_power", "2", "CPMA-style air control exponent"};
64 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
65 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
66 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
67 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
68 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
69 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"};
70 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"};
71 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"};
72 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)"};
73 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)"};
74 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)"};
75 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!)"};
76 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
77 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
78 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"};
79 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
80 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"};
81 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
82 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
83 cvar_t sv_cullentities_trace_prediction_time = {0, "sv_cullentities_trace_prediction_time", "0.2", "how many seconds of prediction to use"};
84 cvar_t sv_cullentities_trace_entityocclusion = {0, "sv_cullentities_trace_entityocclusion", "0", "also check if doors and other bsp models are in the way"};
85 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
86 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"};
87 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"};
88 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
89 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
90 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)"};
91 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)"};
92 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)"};
93 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
94 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
95 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"};
96 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 runing all PlayerPostThink functions"};
97 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"};
98 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)"};
99 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"};
100 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)"};
101 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"};
102 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
103 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
104 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"};
105 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"};
106 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)"};
107 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)"};
108 cvar_t sv_gameplayfix_nudgeoutofsolid_bias = {0, "sv_gameplayfix_nudgeoutofsolid_bias", "0", "over-correction on nudgeoutofsolid logic, to prevent constant contact"};
109 cvar_t sv_gameplayfix_q2airaccelerate = {0, "sv_gameplayfix_q2airaccelerate", "0", "Quake2-style air acceleration"};
110 cvar_t sv_gameplayfix_nogravityonground = {0, "sv_gameplayfix_nogravityonground", "0", "Quake2-style air acceleration"};
111 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"};
112 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"};
113 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)"};
114 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)"};
115 cvar_t sv_gameplayfix_stepmultipletimes = {0, "sv_gameplayfix_stepmultipletimes", "1", "applies step-up onto a ledge more than once in a single frame, when running quickly up stairs"};
116 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"};
117 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"};
118 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)"};
119 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
120 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
121 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
122 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
123 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)"};
124 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
125 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
126 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
127 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
128 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
129 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
130 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
131 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"};
132 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)"};
133 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)"};
134 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)"};
135 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
136 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
137 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
138 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"};
139 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"};
140 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
141 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)"};
142 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
143 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)"};
144 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"};
145 cvar_t sv_onlycsqcnetworking = {0, "sv_onlycsqcnetworking", "0", "disables legacy entity networking code for higher performance (except on clients, which can still be legacy)"};
146 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"};
147 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"};
148 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
149
150 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
151 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
152 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
153 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
154 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
155 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
156 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
157 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
158 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
159 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)"};
160
161 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
162 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
163 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
164 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
165 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
166 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
167 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
168 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
169 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
170 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
171 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
172 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
173 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
174 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
175 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
176 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
177 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
178 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
179 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
180 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
181 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
182
183 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)"};
184 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)" };
185 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."};
186
187 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
188
189 server_t sv;
190 server_static_t svs;
191
192 mempool_t *sv_mempool = NULL;
193
194 extern cvar_t slowmo;
195 extern float            scr_centertime_off;
196
197 // MUST match effectnameindex_t in client.h
198 static const char *standardeffectnames[EFFECT_TOTAL] =
199 {
200         "",
201         "TE_GUNSHOT",
202         "TE_GUNSHOTQUAD",
203         "TE_SPIKE",
204         "TE_SPIKEQUAD",
205         "TE_SUPERSPIKE",
206         "TE_SUPERSPIKEQUAD",
207         "TE_WIZSPIKE",
208         "TE_KNIGHTSPIKE",
209         "TE_EXPLOSION",
210         "TE_EXPLOSIONQUAD",
211         "TE_TAREXPLOSION",
212         "TE_TELEPORT",
213         "TE_LAVASPLASH",
214         "TE_SMALLFLASH",
215         "TE_FLAMEJET",
216         "EF_FLAME",
217         "TE_BLOOD",
218         "TE_SPARK",
219         "TE_PLASMABURN",
220         "TE_TEI_G3",
221         "TE_TEI_SMOKE",
222         "TE_TEI_BIGEXPLOSION",
223         "TE_TEI_PLASMAHIT",
224         "EF_STARDUST",
225         "TR_ROCKET",
226         "TR_GRENADE",
227         "TR_BLOOD",
228         "TR_WIZSPIKE",
229         "TR_SLIGHTBLOOD",
230         "TR_KNIGHTSPIKE",
231         "TR_VORESPIKE",
232         "TR_NEHAHRASMOKE",
233         "TR_NEXUIZPLASMA",
234         "TR_GLOWTRAIL",
235         "SVC_PARTICLE"
236 };
237
238 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
239
240 prvm_required_field_t reqfields[] =
241 {
242         {ev_entity, "cursor_trace_ent"},
243         {ev_entity, "drawonlytoclient"},
244         {ev_entity, "exteriormodeltoclient"},
245         {ev_entity, "nodrawtoclient"},
246         {ev_entity, "tag_entity"},
247         {ev_entity, "viewmodelforclient"},
248         {ev_float, "SendFlags"},
249         {ev_float, "Version"},
250         {ev_float, "alpha"},
251         {ev_float, "ammo_cells1"},
252         {ev_float, "ammo_lava_nails"},
253         {ev_float, "ammo_multi_rockets"},
254         {ev_float, "ammo_nails1"},
255         {ev_float, "ammo_plasma"},
256         {ev_float, "ammo_rockets1"},
257         {ev_float, "ammo_shells1"},
258         {ev_float, "button3"},
259         {ev_float, "button4"},
260         {ev_float, "button5"},
261         {ev_float, "button6"},
262         {ev_float, "button7"},
263         {ev_float, "button8"},
264         {ev_float, "button9"},
265         {ev_float, "button10"},
266         {ev_float, "button11"},
267         {ev_float, "button12"},
268         {ev_float, "button13"},
269         {ev_float, "button14"},
270         {ev_float, "button15"},
271         {ev_float, "button16"},
272         {ev_float, "buttonchat"},
273         {ev_float, "buttonuse"},
274         {ev_float, "clientcolors"},
275         {ev_float, "cursor_active"},
276         {ev_float, "disableclientprediction"},
277         {ev_float, "fullbright"},
278         {ev_float, "glow_color"},
279         {ev_float, "glow_size"},
280         {ev_float, "glow_trail"},
281         {ev_float, "gravity"},
282         {ev_float, "idealpitch"},
283         {ev_float, "items2"},
284         {ev_float, "light_lev"},
285         {ev_float, "modelflags"},
286         {ev_float, "pflags"},
287         {ev_float, "ping"},
288         {ev_float, "pitch_speed"},
289         {ev_float, "pmodel"},
290         {ev_float, "renderamt"}, // HalfLife support
291         {ev_float, "rendermode"}, // HalfLife support
292         {ev_float, "scale"},
293         {ev_float, "style"},
294         {ev_float, "tag_index"},
295         {ev_float, "viewzoom"},
296         {ev_function, "SendEntity"},
297         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
298         {ev_function, "customizeentityforclient"},
299         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
300         {ev_string, "netaddress"},
301         {ev_string, "playermodel"},
302         {ev_string, "playerskin"},
303         {ev_vector, "color"},
304         {ev_vector, "colormod"},
305         {ev_vector, "cursor_screen"},
306         {ev_vector, "cursor_trace_endpos"},
307         {ev_vector, "cursor_trace_start"},
308         {ev_vector, "glowmod"},
309         {ev_vector, "movement"},
310         {ev_vector, "punchvector"},
311
312         // physics
313         //{ev_float, "solid"},
314         //{ev_float, "movetype"},
315         //{ev_float, "modelindex"},
316         {ev_vector, "mass"},
317         //{ev_vector, "origin"},
318         //{ev_vector, "velocity"},
319         //{ev_vector, "axis_forward"},
320         //{ev_vector, "axis_left"},
321         //{ev_vector, "axis_up"},
322         //{ev_vector, "spinvelocity"},
323         //{ev_vector, "angles"},
324         //{ev_vector, "avelocity"},
325
326 };
327
328
329
330 //============================================================================
331
332 void SV_AreaStats_f(void)
333 {
334         World_PrintAreaStats(&sv.world, "server");
335 }
336
337 /*
338 ===============
339 SV_Init
340 ===============
341 */
342 void SV_Init (void)
343 {
344         // init the csqc progs cvars, since they are updated/used by the server code
345         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
346         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
347         extern cvar_t csqc_progcrc;
348         extern cvar_t csqc_progsize;
349
350         Cvar_RegisterVariable(&sv_worldmessage);
351         Cvar_RegisterVariable(&sv_worldname);
352         Cvar_RegisterVariable(&sv_worldnamenoextension);
353         Cvar_RegisterVariable(&sv_worldbasename);
354
355         Cvar_RegisterVariable (&csqc_progname);
356         Cvar_RegisterVariable (&csqc_progcrc);
357         Cvar_RegisterVariable (&csqc_progsize);
358
359         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
360         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
361         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
362         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
363
364         Cvar_RegisterVariable (&coop);
365         Cvar_RegisterVariable (&deathmatch);
366         Cvar_RegisterVariable (&fraglimit);
367         Cvar_RegisterVariable (&gamecfg);
368         Cvar_RegisterVariable (&noexit);
369         Cvar_RegisterVariable (&nomonsters);
370         Cvar_RegisterVariable (&pausable);
371         Cvar_RegisterVariable (&pr_checkextension);
372         Cvar_RegisterVariable (&samelevel);
373         Cvar_RegisterVariable (&skill);
374         Cvar_RegisterVariable (&slowmo);
375         Cvar_RegisterVariable (&sv_accelerate);
376         Cvar_RegisterVariable (&sv_aim);
377         Cvar_RegisterVariable (&sv_airaccel_qw);
378         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
379         Cvar_RegisterVariable (&sv_airaccelerate);
380         Cvar_RegisterVariable (&sv_airstopaccelerate);
381         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
382         Cvar_RegisterVariable (&sv_maxairstrafespeed);
383         Cvar_RegisterVariable (&sv_airstrafeaccel_qw);
384         Cvar_RegisterVariable (&sv_aircontrol);
385         Cvar_RegisterVariable (&sv_aircontrol_power);
386         Cvar_RegisterVariable (&sv_allowdownloads);
387         Cvar_RegisterVariable (&sv_allowdownloads_archive);
388         Cvar_RegisterVariable (&sv_allowdownloads_config);
389         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
390         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
391         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
392         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
393         Cvar_RegisterVariable (&sv_clmovement_enable);
394         Cvar_RegisterVariable (&sv_clmovement_minping);
395         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
396         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
397         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
398         Cvar_RegisterVariable (&sv_cullentities_pvs);
399         Cvar_RegisterVariable (&sv_cullentities_stats);
400         Cvar_RegisterVariable (&sv_cullentities_trace);
401         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
402         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
403         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
404         Cvar_RegisterVariable (&sv_cullentities_trace_entityocclusion);
405         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
406         Cvar_RegisterVariable (&sv_cullentities_trace_prediction_time);
407         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
408         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
409         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
410         Cvar_RegisterVariable (&sv_debugmove);
411         Cvar_RegisterVariable (&sv_echobprint);
412         Cvar_RegisterVariable (&sv_edgefriction);
413         Cvar_RegisterVariable (&sv_entpatch);
414         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
415         Cvar_RegisterVariable (&sv_freezenonclients);
416         Cvar_RegisterVariable (&sv_friction);
417         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
418         Cvar_RegisterVariable (&sv_gameplayfix_consistentplayerprethink);
419         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
420         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
421         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
422         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
423         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
424         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
425         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
426         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
427         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
428         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
429         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid);
430         Cvar_RegisterVariable (&sv_gameplayfix_nudgeoutofsolid_bias);
431         Cvar_RegisterVariable (&sv_gameplayfix_q2airaccelerate);
432         Cvar_RegisterVariable (&sv_gameplayfix_nogravityonground);
433         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
434         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
435         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
436         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
437         Cvar_RegisterVariable (&sv_gameplayfix_stepmultipletimes);
438         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
439         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
440         Cvar_RegisterVariable (&sv_gameplayfix_downtracesupportsongroundflag);
441         Cvar_RegisterVariable (&sv_gravity);
442         Cvar_RegisterVariable (&sv_idealpitchscale);
443         Cvar_RegisterVariable (&sv_jumpstep);
444         Cvar_RegisterVariable (&sv_jumpvelocity);
445         Cvar_RegisterVariable (&sv_maxairspeed);
446         Cvar_RegisterVariable (&sv_maxrate);
447         Cvar_RegisterVariable (&sv_maxspeed);
448         Cvar_RegisterVariable (&sv_maxvelocity);
449         Cvar_RegisterVariable (&sv_nostep);
450         Cvar_RegisterVariable (&sv_playerphysicsqc);
451         Cvar_RegisterVariable (&sv_progs);
452         Cvar_RegisterVariable (&sv_protocolname);
453         Cvar_RegisterVariable (&sv_random_seed);
454         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
455         Cvar_RegisterVariable (&sv_sound_land);
456         Cvar_RegisterVariable (&sv_sound_watersplash);
457         Cvar_RegisterVariable (&sv_stepheight);
458         Cvar_RegisterVariable (&sv_stopspeed);
459         Cvar_RegisterVariable (&sv_wallfriction);
460         Cvar_RegisterVariable (&sv_wateraccelerate);
461         Cvar_RegisterVariable (&sv_waterfriction);
462         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
463         Cvar_RegisterVariable (&sv_warsowbunny_accel);
464         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
465         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
466         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
467         Cvar_RegisterVariable (&sv_onlycsqcnetworking);
468         Cvar_RegisterVariable (&sys_ticrate);
469         Cvar_RegisterVariable (&teamplay);
470         Cvar_RegisterVariable (&timelimit);
471
472         Cvar_RegisterVariable (&saved1);
473         Cvar_RegisterVariable (&saved2);
474         Cvar_RegisterVariable (&saved3);
475         Cvar_RegisterVariable (&saved4);
476         Cvar_RegisterVariable (&savedgamecfg);
477         Cvar_RegisterVariable (&scratch1);
478         Cvar_RegisterVariable (&scratch2);
479         Cvar_RegisterVariable (&scratch3);
480         Cvar_RegisterVariable (&scratch4);
481         Cvar_RegisterVariable (&temp1);
482
483         // LordHavoc: Nehahra uses these to pass data around cutscene demos
484         if (gamemode == GAME_NEHAHRA)
485         {
486                 Cvar_RegisterVariable (&nehx00);
487                 Cvar_RegisterVariable (&nehx01);
488                 Cvar_RegisterVariable (&nehx02);
489                 Cvar_RegisterVariable (&nehx03);
490                 Cvar_RegisterVariable (&nehx04);
491                 Cvar_RegisterVariable (&nehx05);
492                 Cvar_RegisterVariable (&nehx06);
493                 Cvar_RegisterVariable (&nehx07);
494                 Cvar_RegisterVariable (&nehx08);
495                 Cvar_RegisterVariable (&nehx09);
496                 Cvar_RegisterVariable (&nehx10);
497                 Cvar_RegisterVariable (&nehx11);
498                 Cvar_RegisterVariable (&nehx12);
499                 Cvar_RegisterVariable (&nehx13);
500                 Cvar_RegisterVariable (&nehx14);
501                 Cvar_RegisterVariable (&nehx15);
502                 Cvar_RegisterVariable (&nehx16);
503                 Cvar_RegisterVariable (&nehx17);
504                 Cvar_RegisterVariable (&nehx18);
505                 Cvar_RegisterVariable (&nehx19);
506         }
507         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
508
509         Cvar_RegisterVariable (&sv_autodemo_perclient);
510         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
511         Cvar_RegisterVariable (&sv_autodemo_perclient_discardable);
512
513         Cvar_RegisterVariable (&halflifebsp);
514
515         // any special defaults for gamemodes go here
516         if (gamemode == GAME_NEHAHRA)
517         {
518                 // Nehahra pushable crates malfunction in some levels if this is on
519                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
520                 // Nehahra NPC AI is confused by this feature
521                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
522         }
523         if (gamemode == GAME_HIPNOTIC)
524         {
525                 // hipnotic mission pack has issues in their 'friendly monster' ai, which seem to attempt to attack themselves for some reason when findradius() returns non-solid entities.
526                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
527                 // hipnotic mission pack has issues with bobbing water entities 'jittering' between different heights on alternate frames at the default 0.0138889 ticrate, 0.02 avoids this issue
528                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
529                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
530                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);
531         }
532         if (gamemode == GAME_ROGUE)
533         {
534                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
535                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
536         }
537         if (gamemode == GAME_NEXUIZ)
538         {
539                 Cvar_SetValueQuick (&sv_gameplayfix_q2airaccelerate, 1);
540         }
541
542         sv_mempool = Mem_AllocPool("server", 0, NULL);
543 }
544
545 static void SV_SaveEntFile_f(void)
546 {
547         if (!sv.active || !sv.worldmodel)
548         {
549                 Con_Print("Not running a server\n");
550                 return;
551         }
552         FS_WriteFile(va("%s.ent", sv.worldnamenoextension), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
553 }
554
555
556 /*
557 =============================================================================
558
559 EVENT MESSAGES
560
561 =============================================================================
562 */
563
564 /*
565 ==================
566 SV_StartParticle
567
568 Make sure the event gets sent to all clients
569 ==================
570 */
571 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
572 {
573         int i;
574
575         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
576                 return;
577         MSG_WriteByte (&sv.datagram, svc_particle);
578         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
579         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
580         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
581         for (i=0 ; i<3 ; i++)
582                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
583         MSG_WriteByte (&sv.datagram, count);
584         MSG_WriteByte (&sv.datagram, color);
585         SV_FlushBroadcastMessages();
586 }
587
588 /*
589 ==================
590 SV_StartEffect
591
592 Make sure the event gets sent to all clients
593 ==================
594 */
595 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
596 {
597         if (modelindex >= 256 || startframe >= 256)
598         {
599                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
600                         return;
601                 MSG_WriteByte (&sv.datagram, svc_effect2);
602                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
603                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
604                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
605                 MSG_WriteShort (&sv.datagram, modelindex);
606                 MSG_WriteShort (&sv.datagram, startframe);
607                 MSG_WriteByte (&sv.datagram, framecount);
608                 MSG_WriteByte (&sv.datagram, framerate);
609         }
610         else
611         {
612                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
613                         return;
614                 MSG_WriteByte (&sv.datagram, svc_effect);
615                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
616                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
617                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
618                 MSG_WriteByte (&sv.datagram, modelindex);
619                 MSG_WriteByte (&sv.datagram, startframe);
620                 MSG_WriteByte (&sv.datagram, framecount);
621                 MSG_WriteByte (&sv.datagram, framerate);
622         }
623         SV_FlushBroadcastMessages();
624 }
625
626 /*
627 ==================
628 SV_StartSound
629
630 Each entity can have eight independant sound sources, like voice,
631 weapon, feet, etc.
632
633 Channel 0 is an auto-allocate channel, the others override anything
634 already running on that entity/channel pair.
635
636 An attenuation of 0 will play full volume everywhere in the level.
637 Larger attenuations will drop off.  (max 4 attenuation)
638
639 ==================
640 */
641 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
642 {
643         int sound_num, field_mask, i, ent;
644
645         if (volume < 0 || volume > 255)
646         {
647                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
648                 return;
649         }
650
651         if (attenuation < 0 || attenuation > 4)
652         {
653                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
654                 return;
655         }
656
657         if (channel < 0 || channel > 7)
658         {
659                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
660                 return;
661         }
662
663         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
664                 return;
665
666 // find precache number for sound
667         sound_num = SV_SoundIndex(sample, 1);
668         if (!sound_num)
669                 return;
670
671         ent = PRVM_NUM_FOR_EDICT(entity);
672
673         field_mask = 0;
674         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
675                 field_mask |= SND_VOLUME;
676         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
677                 field_mask |= SND_ATTENUATION;
678         if (ent >= 8192)
679                 field_mask |= SND_LARGEENTITY;
680         if (sound_num >= 256 || channel >= 8)
681                 field_mask |= SND_LARGESOUND;
682
683 // directed messages go only to the entity they are targeted on
684         MSG_WriteByte (&sv.datagram, svc_sound);
685         MSG_WriteByte (&sv.datagram, field_mask);
686         if (field_mask & SND_VOLUME)
687                 MSG_WriteByte (&sv.datagram, volume);
688         if (field_mask & SND_ATTENUATION)
689                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
690         if (field_mask & SND_LARGEENTITY)
691         {
692                 MSG_WriteShort (&sv.datagram, ent);
693                 MSG_WriteByte (&sv.datagram, channel);
694         }
695         else
696                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
697         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
698                 MSG_WriteShort (&sv.datagram, sound_num);
699         else
700                 MSG_WriteByte (&sv.datagram, sound_num);
701         for (i = 0;i < 3;i++)
702                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
703         SV_FlushBroadcastMessages();
704 }
705
706 /*
707 ==================
708 SV_StartPointSound
709
710 Nearly the same logic as SV_StartSound, except an origin
711 instead of an entity is provided and channel is omitted.
712
713 The entity sent to the client is 0 (world) and the channel
714 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
715 function, therefore the check for it is omitted.
716
717 ==================
718 */
719 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
720 {
721         int sound_num, field_mask, i;
722
723         if (volume < 0 || volume > 255)
724         {
725                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
726                 return;
727         }
728
729         if (attenuation < 0 || attenuation > 4)
730         {
731                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
732                 return;
733         }
734
735         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
736                 return;
737
738         // find precache number for sound
739         sound_num = SV_SoundIndex(sample, 1);
740         if (!sound_num)
741                 return;
742
743         field_mask = 0;
744         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
745                 field_mask |= SND_VOLUME;
746         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
747                 field_mask |= SND_ATTENUATION;
748         if (sound_num >= 256)
749                 field_mask |= SND_LARGESOUND;
750
751 // directed messages go only to the entity they are targeted on
752         MSG_WriteByte (&sv.datagram, svc_sound);
753         MSG_WriteByte (&sv.datagram, field_mask);
754         if (field_mask & SND_VOLUME)
755                 MSG_WriteByte (&sv.datagram, volume);
756         if (field_mask & SND_ATTENUATION)
757                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
758         // Always write entnum 0 for the world entity
759         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
760         if (field_mask & SND_LARGESOUND)
761                 MSG_WriteShort (&sv.datagram, sound_num);
762         else
763                 MSG_WriteByte (&sv.datagram, sound_num);
764         for (i = 0;i < 3;i++)
765                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
766         SV_FlushBroadcastMessages();
767 }
768
769 /*
770 ==============================================================================
771
772 CLIENT SPAWNING
773
774 ==============================================================================
775 */
776
777 /*
778 ================
779 SV_SendServerinfo
780
781 Sends the first message from the server to a connected client.
782 This will be sent on the initial connection and upon each server load.
783 ================
784 */
785 void SV_SendServerinfo (client_t *client)
786 {
787         int i;
788         char message[128];
789
790         // we know that this client has a netconnection and thus is not a bot
791
792         // edicts get reallocated on level changes, so we need to update it here
793         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
794
795         // clear cached stuff that depends on the level
796         client->weaponmodel[0] = 0;
797         client->weaponmodelindex = 0;
798
799         // LordHavoc: clear entityframe tracking
800         client->latestframenum = 0;
801
802         // initialize the movetime, so a speedhack can't make use of the time before this client joined
803         client->cmd.time = sv.time;
804
805         if (client->entitydatabase)
806                 EntityFrame_FreeDatabase(client->entitydatabase);
807         if (client->entitydatabase4)
808                 EntityFrame4_FreeDatabase(client->entitydatabase4);
809         if (client->entitydatabase5)
810                 EntityFrame5_FreeDatabase(client->entitydatabase5);
811
812         memset(client->stats, 0, sizeof(client->stats));
813         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
814
815         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)
816         {
817                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
818                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
819                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
820                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
821                 else
822                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
823         }
824
825         // reset csqc entity versions
826         for (i = 0;i < prog->max_edicts;i++)
827         {
828                 client->csqcentityscope[i] = 0;
829                 client->csqcentitysendflags[i] = 0xFFFFFF;
830                 client->csqcentityglobalhistory[i] = 0;
831         }
832         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
833         {
834                 client->csqcentityframehistory[i].num = 0;
835                 client->csqcentityframehistory[i].framenum = -1;
836         }
837         client->csqcnumedicts = 0;
838         client->csqcentityframehistory_next = 0;
839
840         SZ_Clear (&client->netconnection->message);
841         MSG_WriteByte (&client->netconnection->message, svc_print);
842         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)\n", gamename, buildstring, prog->filecrc);
843         MSG_WriteString (&client->netconnection->message,message);
844
845         SV_StopDemoRecording(client); // to split up demos into different files
846         if(sv_autodemo_perclient.integer && client->netconnection)
847         {
848                 char demofile[MAX_OSPATH];
849                 char ipaddress[MAX_QPATH];
850                 size_t i;
851
852                 // start a new demo file
853                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
854                 for(i = 0; ipaddress[i]; ++i)
855                         if(!isalnum(ipaddress[i]))
856                                 ipaddress[i] = '-';
857                 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);
858
859                 SV_StartDemoRecording(client, demofile, -1);
860         }
861
862         //[515]: init csprogs according to version of svprogs, check the crc, etc.
863         if (sv.csqc_progname[0])
864         {
865                 prvm_eval_t *val;
866                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
867                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
868                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
869                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
870                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
871                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
872                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
873
874                 if(client->sv_demo_file != NULL)
875                 {
876                         int i;
877                         static char buf[NET_MAXMESSAGE];
878                         sizebuf_t sb;
879
880                         sb.data = (unsigned char *) buf;
881                         sb.maxsize = sizeof(buf);
882                         i = 0;
883                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
884                                 SV_WriteDemoMessage(client, &sb, false);
885                 }
886
887                 //[515]: init stufftext string (it is sent before svc_serverinfo)
888                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
889                 if (val)
890                 {
891                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
892                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
893                 }
894         }
895
896         //if (sv_allowdownloads.integer)
897         // always send the info that the server supports the protocol, even if downloads are forbidden
898         // only because of that, the CSQC exception can work
899         {
900                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
901                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
902         }
903
904         // send at this time so it's guaranteed to get executed at the right time
905         {
906                 client_t *save;
907                 save = host_client;
908                 host_client = client;
909                 Curl_SendRequirements();
910                 host_client = save;
911         }
912
913         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
914         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
915         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
916
917         if (!coop.integer && deathmatch.integer)
918                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
919         else
920                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
921
922         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
923
924         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
925                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
926         MSG_WriteByte (&client->netconnection->message, 0);
927
928         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
929                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
930         MSG_WriteByte (&client->netconnection->message, 0);
931
932 // send music
933         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
934         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
935         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
936
937 // set view
938 // store this in clientcamera, too
939         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
940         MSG_WriteByte (&client->netconnection->message, svc_setview);
941         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
942
943         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
944         MSG_WriteByte (&client->netconnection->message, 1);
945
946         client->spawned = false;                // need prespawn, spawn, etc
947         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
948
949         // clear movement info until client enters the new level properly
950         memset(&client->cmd, 0, sizeof(client->cmd));
951         client->movesequence = 0;
952         client->movement_highestsequence_seen = 0;
953         memset(&client->movement_count, 0, sizeof(client->movement_count));
954 #ifdef NUM_PING_TIMES
955         for (i = 0;i < NUM_PING_TIMES;i++)
956                 client->ping_times[i] = 0;
957         client->num_pings = 0;
958 #endif
959         client->ping = 0;
960
961         // allow the client some time to send his keepalives, even if map loading took ages
962         client->netconnection->timeout = realtime + net_connecttimeout.value;
963 }
964
965 /*
966 ================
967 SV_ConnectClient
968
969 Initializes a client_t for a new net connection.  This will only be called
970 once for a player each game, not once for each level change.
971 ================
972 */
973 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
974 {
975         client_t                *client;
976         int                             i;
977         float                   spawn_parms[NUM_SPAWN_PARMS];
978
979         client = svs.clients + clientnum;
980
981 // set up the client_t
982         if (sv.loadgame)
983                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
984         memset (client, 0, sizeof(*client));
985         client->active = true;
986         client->netconnection = netconnection;
987
988         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
989
990         strlcpy(client->name, "unconnected", sizeof(client->name));
991         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
992         client->spawned = false;
993         client->edict = PRVM_EDICT_NUM(clientnum+1);
994         if (client->netconnection)
995                 client->netconnection->message.allowoverflow = true;            // we can catch it
996         // prepare the unreliable message buffer
997         client->unreliablemsg.data = client->unreliablemsg_data;
998         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
999         // updated by receiving "rate" command from client, this is also the default if not using a DP client
1000         client->rate = 1000000000;
1001         // no limits for local player
1002         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
1003                 client->rate = 1000000000;
1004         client->connecttime = realtime;
1005
1006         if (sv.loadgame)
1007                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
1008         else
1009         {
1010                 // call the progs to get default spawn parms for the new client
1011                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
1012                 prog->globals.server->self = 0;
1013                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
1014                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
1015                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
1016
1017                 // set up the entity for this client (including .colormap, .team, etc)
1018                 PRVM_ED_ClearEdict(client->edict);
1019         }
1020
1021         // don't call SendServerinfo for a fresh botclient because its fields have
1022         // not been set up by the qc yet
1023         if (client->netconnection)
1024                 SV_SendServerinfo (client);
1025         else
1026                 client->spawned = true;
1027 }
1028
1029
1030 /*
1031 ===============================================================================
1032
1033 FRAME UPDATES
1034
1035 ===============================================================================
1036 */
1037
1038 /*
1039 =============================================================================
1040
1041 The PVS must include a small area around the client to allow head bobbing
1042 or other small motion on the client side.  Otherwise, a bob might cause an
1043 entity that should be visible to not show up, especially when the bob
1044 crosses a waterline.
1045
1046 =============================================================================
1047 */
1048
1049 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1050 {
1051         int i;
1052         unsigned int sendflags;
1053         unsigned int version;
1054         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1055         unsigned int customizeentityforclient;
1056         unsigned int sendentity;
1057         float f;
1058         vec3_t cullmins, cullmaxs;
1059         dp_model_t *model;
1060         prvm_eval_t *val, *val2;
1061
1062         // fast path for games that do not use legacy entity networking
1063         // note: still networks clients even if they are legacy
1064         sendentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity)->function;
1065         if (sv_onlycsqcnetworking.integer && !sendentity && enumber > svs.maxclients)
1066                 return false;
1067
1068         // this 2 billion unit check is actually to detect NAN origins
1069         // (we really don't want to send those)
1070         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1071                 return false;
1072
1073         // EF_NODRAW prevents sending for any reason except for your own
1074         // client, so we must keep all clients in this superset
1075         effects = (unsigned)ent->fields.server->effects;
1076
1077         // we can omit invisible entities with no effects that are not clients
1078         // LordHavoc: this could kill tags attached to an invisible entity, I
1079         // just hope we never have to support that case
1080         i = (int)ent->fields.server->modelindex;
1081         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model) && sv.models[i]) ? i : 0;
1082
1083         flags = 0;
1084         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1085         glowsize = (unsigned char)bound(0, i, 255);
1086         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1087                 flags |= RENDER_GLOWTRAIL;
1088         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1089                 flags |= RENDER_VIEWMODEL;
1090
1091         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1092         light[0] = (unsigned short)bound(0, f, 65535);
1093         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1094         light[1] = (unsigned short)bound(0, f, 65535);
1095         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1096         light[2] = (unsigned short)bound(0, f, 65535);
1097         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1098         light[3] = (unsigned short)bound(0, f, 65535);
1099         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1100         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1101
1102         if (gamemode == GAME_TENEBRAE)
1103         {
1104                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1105                 if (effects & 16)
1106                 {
1107                         effects &= ~16;
1108                         lightpflags |= PFLAGS_FULLDYNAMIC;
1109                 }
1110                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1111                 if (effects & 32)
1112                 {
1113                         effects &= ~32;
1114                         light[0] = (int)(0.2*256);
1115                         light[1] = (int)(1.0*256);
1116                         light[2] = (int)(0.2*256);
1117                         light[3] = 200;
1118                         lightpflags |= PFLAGS_FULLDYNAMIC;
1119                 }
1120         }
1121
1122         specialvisibilityradius = 0;
1123         if (lightpflags & PFLAGS_FULLDYNAMIC)
1124                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1125         if (glowsize)
1126                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1127         if (flags & RENDER_GLOWTRAIL)
1128                 specialvisibilityradius = max(specialvisibilityradius, 100);
1129         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1130         {
1131                 if (effects & EF_BRIGHTFIELD)
1132                         specialvisibilityradius = max(specialvisibilityradius, 80);
1133                 if (effects & EF_MUZZLEFLASH)
1134                         specialvisibilityradius = max(specialvisibilityradius, 100);
1135                 if (effects & EF_BRIGHTLIGHT)
1136                         specialvisibilityradius = max(specialvisibilityradius, 400);
1137                 if (effects & EF_DIMLIGHT)
1138                         specialvisibilityradius = max(specialvisibilityradius, 200);
1139                 if (effects & EF_RED)
1140                         specialvisibilityradius = max(specialvisibilityradius, 200);
1141                 if (effects & EF_BLUE)
1142                         specialvisibilityradius = max(specialvisibilityradius, 200);
1143                 if (effects & EF_FLAME)
1144                         specialvisibilityradius = max(specialvisibilityradius, 250);
1145                 if (effects & EF_STARDUST)
1146                         specialvisibilityradius = max(specialvisibilityradius, 100);
1147         }
1148
1149         // early culling checks
1150         // (final culling is done by SV_MarkWriteEntityStateToClient)
1151         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1152         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1153                 return false;
1154
1155         *cs = defaultstate;
1156         cs->active = ACTIVE_NETWORK;
1157         cs->number = enumber;
1158         VectorCopy(ent->fields.server->origin, cs->origin);
1159         VectorCopy(ent->fields.server->angles, cs->angles);
1160         cs->flags = flags;
1161         cs->effects = effects;
1162         cs->colormap = (unsigned)ent->fields.server->colormap;
1163         cs->modelindex = modelindex;
1164         cs->skin = (unsigned)ent->fields.server->skin;
1165         cs->frame = (unsigned)ent->fields.server->frame;
1166         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1167         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1168         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1169         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1170         cs->customizeentityforclient = customizeentityforclient;
1171         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1172         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1173         cs->glowsize = glowsize;
1174
1175         // don't need to init cs->colormod because the defaultstate did that for us
1176         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1177         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1178         if (val->vector[0] || val->vector[1] || val->vector[2])
1179         {
1180                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1181                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1182                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1183         }
1184
1185         // don't need to init cs->glowmod because the defaultstate did that for us
1186         //cs->glowmod[0] = cs->glowmod[1] = cs->glowmod[2] = 32;
1187         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod);
1188         if (val->vector[0] || val->vector[1] || val->vector[2])
1189         {
1190                 i = (int)(val->vector[0] * 32.0f);cs->glowmod[0] = bound(0, i, 255);
1191                 i = (int)(val->vector[1] * 32.0f);cs->glowmod[1] = bound(0, i, 255);
1192                 i = (int)(val->vector[2] * 32.0f);cs->glowmod[2] = bound(0, i, 255);
1193         }
1194
1195         cs->modelindex = modelindex;
1196
1197         cs->alpha = 255;
1198         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1199         if (f)
1200         {
1201                 i = (int)f;
1202                 cs->alpha = (unsigned char)bound(0, i, 255);
1203         }
1204         // halflife
1205         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1206         if (f)
1207         {
1208                 i = (int)f;
1209                 cs->alpha = (unsigned char)bound(0, i, 255);
1210         }
1211
1212         cs->scale = 16;
1213         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1214         if (f)
1215         {
1216                 i = (int)f;
1217                 cs->scale = (unsigned char)bound(0, i, 255);
1218         }
1219
1220         cs->glowcolor = 254;
1221         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1222         if (f)
1223                 cs->glowcolor = (int)f;
1224
1225         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1226                 cs->effects |= EF_FULLBRIGHT;
1227
1228         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1229         if (val && val->_float)
1230                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1231
1232         if (ent->fields.server->movetype == MOVETYPE_STEP)
1233                 cs->flags |= RENDER_STEP;
1234         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)
1235                 cs->flags |= RENDER_LOWPRECISION;
1236         if (ent->fields.server->colormap >= 1024)
1237                 cs->flags |= RENDER_COLORMAPPED;
1238         if (cs->viewmodelforclient)
1239                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1240
1241         cs->light[0] = light[0];
1242         cs->light[1] = light[1];
1243         cs->light[2] = light[2];
1244         cs->light[3] = light[3];
1245         cs->lightstyle = lightstyle;
1246         cs->lightpflags = lightpflags;
1247
1248         cs->specialvisibilityradius = specialvisibilityradius;
1249
1250         // calculate the visible box of this entity (don't use the physics box
1251         // as that is often smaller than a model, and would not count
1252         // specialvisibilityradius)
1253         if ((model = SV_GetModelByIndex(modelindex)) && (model->type != mod_null))
1254         {
1255                 float scale = cs->scale * (1.0f / 16.0f);
1256                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1257                 {
1258                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1259                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1260                 }
1261                 else if (cs->angles[1] || ((effects | model->effects) & EF_ROTATE))
1262                 {
1263                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1264                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1265                 }
1266                 else
1267                 {
1268                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1269                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1270                 }
1271         }
1272         else
1273         {
1274                 // if there is no model (or it could not be loaded), use the physics box
1275                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1276                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1277         }
1278         if (specialvisibilityradius)
1279         {
1280                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1281                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1282                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1283                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1284                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1285                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1286         }
1287
1288         // calculate center of bbox for network prioritization purposes
1289         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1290
1291         // if culling box has moved, update pvs cluster links
1292         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1293         {
1294                 VectorCopy(cullmins, ent->priv.server->cullmins);
1295                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1296                 // a value of -1 for pvs_numclusters indicates that the links are not
1297                 // cached, and should be re-tested each time, this is the case if the
1298                 // culling box touches too many pvs clusters to store, or if the world
1299                 // model does not support FindBoxClusters
1300                 ent->priv.server->pvs_numclusters = -1;
1301                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1302                 {
1303                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1304                         if (i <= MAX_ENTITYCLUSTERS)
1305                                 ent->priv.server->pvs_numclusters = i;
1306                 }
1307         }
1308
1309         // we need to do some csqc entity upkeep here
1310         // get self.SendFlags and clear them
1311         // (to let the QC know that they've been read)
1312         if (sendentity)
1313         {
1314                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1315                 sendflags = (unsigned int)val->_float;
1316                 val->_float = 0;
1317                 // legacy self.Version system
1318                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1319                 if (val2->_float)
1320                 {
1321                         version = (unsigned int)val2->_float;
1322                         if (sv.csqcentityversion[enumber] != version)
1323                                 sendflags = 0xFFFFFF;
1324                         sv.csqcentityversion[enumber] = version;
1325                 }
1326                 // move sendflags into the per-client sendflags
1327                 if (sendflags)
1328                         for (i = 0;i < svs.maxclients;i++)
1329                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1330                 // mark it as inactive for non-csqc networking
1331                 cs->active = ACTIVE_SHARED;
1332         }
1333
1334         return true;
1335 }
1336
1337 void SV_PrepareEntitiesForSending(void)
1338 {
1339         int e;
1340         prvm_edict_t *ent;
1341         // send all entities that touch the pvs
1342         sv.numsendentities = 0;
1343         sv.sendentitiesindex[0] = NULL;
1344         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1345         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1346         {
1347                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1348                 {
1349                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1350                         sv.numsendentities++;
1351                 }
1352         }
1353 }
1354
1355 #define MAX_LINEOFSIGHTTRACES 64
1356
1357 qboolean SV_CanSeeBox(int numtraces, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
1358 {
1359         float pitchsign;
1360         float alpha;
1361         float starttransformed[3], endtransformed[3];
1362         int blocked = 0;
1363         int traceindex;
1364         int originalnumtouchedicts;
1365         int numtouchedicts = 0;
1366         int touchindex;
1367         matrix4x4_t matrix, imatrix;
1368         dp_model_t *model;
1369         prvm_edict_t *touch;
1370         static prvm_edict_t *touchedicts[MAX_EDICTS];
1371         vec3_t boxmins, boxmaxs;
1372         vec3_t clipboxmins, clipboxmaxs;
1373         vec3_t endpoints[MAX_LINEOFSIGHTTRACES];
1374
1375         numtraces = min(numtraces, MAX_LINEOFSIGHTTRACES);
1376
1377         // expand the box a little
1378         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
1379         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
1380         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
1381         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
1382         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
1383         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
1384
1385         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, endpoints[0]);
1386         for (traceindex = 1;traceindex < numtraces;traceindex++)
1387                 VectorSet(endpoints[traceindex], lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
1388
1389         // calculate sweep box for the entire swarm of traces
1390         VectorCopy(eye, clipboxmins);
1391         VectorCopy(eye, clipboxmaxs);
1392         for (traceindex = 0;traceindex < numtraces;traceindex++)
1393         {
1394                 clipboxmins[0] = min(clipboxmins[0], endpoints[traceindex][0]);
1395                 clipboxmins[1] = min(clipboxmins[1], endpoints[traceindex][1]);
1396                 clipboxmins[2] = min(clipboxmins[2], endpoints[traceindex][2]);
1397                 clipboxmaxs[0] = max(clipboxmaxs[0], endpoints[traceindex][0]);
1398                 clipboxmaxs[1] = max(clipboxmaxs[1], endpoints[traceindex][1]);
1399                 clipboxmaxs[2] = max(clipboxmaxs[2], endpoints[traceindex][2]);
1400         }
1401
1402         // get the list of entities in the sweep box
1403         if (sv_cullentities_trace_entityocclusion.integer)
1404                 numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
1405         if (numtouchedicts > MAX_EDICTS)
1406         {
1407                 // this never happens
1408                 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
1409                 numtouchedicts = MAX_EDICTS;
1410         }
1411         // iterate the entities found in the sweep box and filter them
1412         originalnumtouchedicts = numtouchedicts;
1413         numtouchedicts = 0;
1414         for (touchindex = 0;touchindex < originalnumtouchedicts;touchindex++)
1415         {
1416                 touch = touchedicts[touchindex];
1417                 if (touch->fields.server->solid != SOLID_BSP)
1418                         continue;
1419                 model = SV_GetModelFromEdict(touch);
1420                 if (!model || !model->brush.TraceLineOfSight)
1421                         continue;
1422                 // skip obviously transparent entities
1423                 alpha = PRVM_EDICTFIELDVALUE(touch, prog->fieldoffsets.alpha)->_float;
1424                 if (alpha && alpha < 1)
1425                         continue;
1426                 if ((int)touch->fields.server->effects & EF_ADDITIVE)
1427                         continue;
1428                 touchedicts[numtouchedicts++] = touch;
1429         }
1430
1431         // now that we have a filtered list of "interesting" entities, fire each
1432         // ray against all of them, this gives us an early-out case when something
1433         // is visible (which it often is)
1434
1435         for (traceindex = 0;traceindex < numtraces;traceindex++)
1436         {
1437                 // check world occlusion
1438                 if (sv.worldmodel && sv.worldmodel->brush.TraceLineOfSight)
1439                         if (!sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, eye, endpoints[traceindex]))
1440                                 continue;
1441                 for (touchindex = 0;touchindex < numtouchedicts;touchindex++)
1442                 {
1443                         touch = touchedicts[touchindex];
1444                         model = SV_GetModelFromEdict(touch);
1445                         if(model && model->brush.TraceLineOfSight)
1446                         {
1447                                 // get the entity matrix
1448                                 pitchsign = SV_GetPitchSign(touch);
1449                                 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);
1450                                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
1451                                 // see if the ray hits this entity
1452                                 Matrix4x4_Transform(&imatrix, eye, starttransformed);
1453                                 Matrix4x4_Transform(&imatrix, endpoints[traceindex], endtransformed);
1454                                 if (!model->brush.TraceLineOfSight(model, starttransformed, endtransformed))
1455                                 {
1456                                         blocked++;
1457                                         break;
1458                                 }
1459                         }
1460                 }
1461                 // check if the ray was blocked
1462                 if (touchindex < numtouchedicts)
1463                         continue;
1464                 // return if the ray was not blocked
1465                 return true;
1466         }
1467
1468         // no rays survived
1469         return false;
1470 }
1471
1472 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1473 {
1474         int isbmodel;
1475         dp_model_t *model;
1476         prvm_edict_t *ed;
1477         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1478                 return;
1479         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1480         sv.writeentitiestoclient_stats_totalentities++;
1481
1482         if (s->customizeentityforclient)
1483         {
1484                 prog->globals.server->self = s->number;
1485                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1486                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1487                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1488                         return;
1489         }
1490
1491         // never reject player
1492         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1493         {
1494                 // check various rejection conditions
1495                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1496                         return;
1497                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1498                         return;
1499                 if (s->effects & EF_NODRAW)
1500                         return;
1501                 // LordHavoc: only send entities with a model or important effects
1502                 if (!s->modelindex && s->specialvisibilityradius == 0)
1503                         return;
1504
1505                 isbmodel = (model = SV_GetModelByIndex(s->modelindex)) != NULL && model->name[0] == '*';
1506                 // viewmodels don't have visibility checking
1507                 if (s->viewmodelforclient)
1508                 {
1509                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1510                                 return;
1511                 }
1512                 else if (s->tagentity)
1513                 {
1514                         // tag attached entities simply check their parent
1515                         if (!sv.sendentitiesindex[s->tagentity])
1516                                 return;
1517                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1518                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1519                                 return;
1520                 }
1521                 // always send world submodels in newer protocols because they don't
1522                 // generate much traffic (in old protocols they hog bandwidth)
1523                 // but only if sv_cullentities_nevercullbmodels is off
1524                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1525                 {
1526                         // entity has survived every check so far, check if visible
1527                         ed = PRVM_EDICT_NUM(s->number);
1528
1529                         // if not touching a visible leaf
1530                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1531                         {
1532                                 if (ed->priv.server->pvs_numclusters < 0)
1533                                 {
1534                                         // entity too big for clusters list
1535                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1536                                         {
1537                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1538                                                 return;
1539                                         }
1540                                 }
1541                                 else
1542                                 {
1543                                         int i;
1544                                         // check cached clusters list
1545                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1546                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1547                                                         break;
1548                                         if (i == ed->priv.server->pvs_numclusters)
1549                                         {
1550                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1551                                                 return;
1552                                         }
1553                                 }
1554                         }
1555
1556                         // or not seen by random tracelines
1557                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1558                         {
1559                                 int samples =
1560                                         s->number <= svs.maxclients
1561                                                 ? sv_cullentities_trace_samples_players.integer
1562                                                 :
1563                                         s->specialvisibilityradius
1564                                                 ? sv_cullentities_trace_samples_extra.integer
1565                                                 : sv_cullentities_trace_samples.integer;
1566                                 float enlarge = sv_cullentities_trace_enlarge.value;
1567
1568                                 if(samples > 0)
1569                                 {
1570                                         int eyeindex;
1571                                         for (eyeindex = 0;eyeindex < sv.writeentitiestoclient_numeyes;eyeindex++)
1572                                                 if(SV_CanSeeBox(samples, enlarge, sv.writeentitiestoclient_eyes[eyeindex], ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1573                                                         break;
1574                                         if(eyeindex < sv.writeentitiestoclient_numeyes)
1575                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1576                                                         realtime + (
1577                                                                 s->number <= svs.maxclients
1578                                                                         ? sv_cullentities_trace_delay_players.value
1579                                                                         : sv_cullentities_trace_delay.value
1580                                                         );
1581                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1582                                         {
1583                                                 sv.writeentitiestoclient_stats_culled_trace++;
1584                                                 return;
1585                                         }
1586                                 }
1587                         }
1588                 }
1589         }
1590
1591         // this just marks it for sending
1592         // FIXME: it would be more efficient to send here, but the entity
1593         // compressor isn't that flexible
1594         sv.writeentitiestoclient_stats_visibleentities++;
1595         sv.sententities[s->number] = sv.sententitiesmark;
1596 }
1597
1598 #if MAX_LEVELNETWORKEYES > 0
1599 #define MAX_EYE_RECURSION 1 // increase if recursion gets supported by portals
1600 void SV_AddCameraEyes(void)
1601 {
1602         int e, i, j, k;
1603         prvm_edict_t *ed;
1604         int cameras[MAX_LEVELNETWORKEYES];
1605         vec3_t camera_origins[MAX_LEVELNETWORKEYES];
1606         int eye_levels[MAX_CLIENTNETWORKEYES];
1607         int n_cameras = 0;
1608         vec3_t mi, ma;
1609         prvm_eval_t *valendpos, *val;
1610
1611         if(!prog->fieldoffsets.camera_transform)
1612                 return;
1613         valendpos = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos);
1614         if(!valendpos)
1615                 return;
1616
1617         for(i = 0; i < sv.writeentitiestoclient_numeyes; ++i)
1618                 eye_levels[i] = 0;
1619
1620         // check line of sight to portal entities and add them to PVS
1621         for (e = 1, ed = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ed = PRVM_NEXT_EDICT(ed))
1622         {
1623                 if (!ed->priv.server->free)
1624                 {
1625                         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.camera_transform)) && val->function)
1626                         {
1627                                 prog->globals.server->self = e;
1628                                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1629                                 VectorCopy(sv.writeentitiestoclient_eyes[0], valendpos->vector);
1630                                 VectorCopy(sv.writeentitiestoclient_eyes[0], PRVM_G_VECTOR(OFS_PARM0));
1631                                 VectorClear(PRVM_G_VECTOR(OFS_PARM1));
1632                                 PRVM_ExecuteProgram(val->function, "QC function e.camera_transform is missing");
1633                                 if(!VectorCompare(valendpos->vector, sv.writeentitiestoclient_eyes[0]))
1634                                         VectorCopy(valendpos->vector, camera_origins[n_cameras]);
1635                                 cameras[n_cameras] = e;
1636                                 ++n_cameras;
1637                                 if(n_cameras >= MAX_LEVELNETWORKEYES)
1638                                         break;
1639                         }
1640                 }
1641         }
1642
1643         if(!n_cameras)
1644                 return;
1645
1646         // i is loop counter, is reset to 0 when an eye got added
1647         // j is camera index to check
1648         for(i = 0, j = 0; sv.writeentitiestoclient_numeyes < MAX_CLIENTNETWORKEYES && i < n_cameras; ++i, ++j, j %= n_cameras)
1649         {
1650                 if(!cameras[j])
1651                         continue;
1652                 ed = PRVM_EDICT_NUM(cameras[j]);
1653                 VectorAdd(ed->fields.server->origin, ed->fields.server->mins, mi);
1654                 VectorAdd(ed->fields.server->origin, ed->fields.server->maxs, ma);
1655                 for(k = 0; k < sv.writeentitiestoclient_numeyes; ++k)
1656                 if(eye_levels[k] <= MAX_EYE_RECURSION)
1657                 {
1658                         if(SV_CanSeeBox(sv_cullentities_trace_samples.integer, sv_cullentities_trace_enlarge.value, sv.writeentitiestoclient_eyes[k], mi, ma))
1659                         {
1660                                 eye_levels[sv.writeentitiestoclient_numeyes] = eye_levels[k] + 1;
1661                                 VectorCopy(camera_origins[j], sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1662                                 // 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);
1663                                 sv.writeentitiestoclient_numeyes++;
1664                                 cameras[j] = 0;
1665                                 i = 0;
1666                                 break;
1667                         }
1668                 }
1669         }
1670 }
1671 #else
1672 void SV_AddCameraEyes(void)
1673 {
1674 }
1675 #endif
1676
1677 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1678 {
1679         qboolean need_empty = false;
1680         int i, numsendstates, numcsqcsendstates;
1681         entity_state_t *s;
1682         prvm_edict_t *camera;
1683         qboolean success;
1684         vec3_t eye;
1685
1686         // if there isn't enough space to accomplish anything, skip it
1687         if (msg->cursize + 25 > maxsize)
1688                 return;
1689
1690         sv.writeentitiestoclient_msg = msg;
1691         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1692
1693         sv.writeentitiestoclient_stats_culled_pvs = 0;
1694         sv.writeentitiestoclient_stats_culled_trace = 0;
1695         sv.writeentitiestoclient_stats_visibleentities = 0;
1696         sv.writeentitiestoclient_stats_totalentities = 0;
1697         sv.writeentitiestoclient_numeyes = 0;
1698
1699         // get eye location
1700         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1701         camera = PRVM_EDICT_NUM( client->clientcamera );
1702         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, eye);
1703         sv.writeentitiestoclient_pvsbytes = 0;
1704         // get the PVS values for the eye location, later FatPVS calls will merge
1705         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1706                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, eye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), sv.writeentitiestoclient_pvsbytes != 0);
1707
1708         // add the eye to a list for SV_CanSeeBox tests
1709         VectorCopy(eye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1710         sv.writeentitiestoclient_numeyes++;
1711
1712         // calculate predicted eye origin for SV_CanSeeBox tests
1713         if (sv_cullentities_trace_prediction.integer)
1714         {
1715                 vec_t predtime = bound(0, host_client->ping, sv_cullentities_trace_prediction_time.value);
1716                 vec3_t predeye;
1717                 VectorMA(eye, predtime, camera->fields.server->velocity, predeye);
1718                 if (SV_CanSeeBox(1, 0, eye, predeye, predeye))
1719                 {
1720                         VectorCopy(predeye, sv.writeentitiestoclient_eyes[sv.writeentitiestoclient_numeyes]);
1721                         sv.writeentitiestoclient_numeyes++;
1722                 }
1723                 //if (!sv.writeentitiestoclient_useprediction)
1724                 //      Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1725         }
1726
1727         SV_AddCameraEyes();
1728
1729         // build PVS from the new eyes
1730         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1731                 for(i = 1; i < sv.writeentitiestoclient_numeyes; ++i)
1732                         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);
1733
1734         sv.sententitiesmark++;
1735
1736         for (i = 0;i < sv.numsendentities;i++)
1737                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1738
1739         numsendstates = 0;
1740         numcsqcsendstates = 0;
1741         for (i = 0;i < sv.numsendentities;i++)
1742         {
1743                 s = &sv.sendentities[i];
1744                 if (sv.sententities[s->number] == sv.sententitiesmark)
1745                 {
1746                         if(s->active == ACTIVE_NETWORK)
1747                         {
1748                                 if (s->exteriormodelforclient)
1749                                 {
1750                                         if (s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1751                                                 s->flags |= RENDER_EXTERIORMODEL;
1752                                         else
1753                                                 s->flags &= ~RENDER_EXTERIORMODEL;
1754                                 }
1755                                 sv.writeentitiestoclient_sendstates[numsendstates++] = s;
1756                         }
1757                         else if(sv.sendentities[i].active == ACTIVE_SHARED)
1758                                 sv.writeentitiestoclient_csqcsendstates[numcsqcsendstates++] = s->number;
1759                         else
1760                                 Con_Printf("entity %d is in sv.sendentities and marked, but not active, please breakpoint me\n", s->number);
1761                 }
1762         }
1763
1764         if (sv_cullentities_stats.integer)
1765                 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);
1766
1767         if(client->entitydatabase5)
1768                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, client->entitydatabase5->latestframenum + 1);
1769         else
1770                 EntityFrameCSQC_WriteFrame(msg, maxsize, numcsqcsendstates, sv.writeentitiestoclient_csqcsendstates, 0);
1771
1772         if(client->num_skippedentityframes >= 10)
1773                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1774
1775         if (client->entitydatabase5)
1776                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1777         else if (client->entitydatabase4)
1778         {
1779                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1780                 Protocol_WriteStatsReliable();
1781         }
1782         else if (client->entitydatabase)
1783         {
1784                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1785                 Protocol_WriteStatsReliable();
1786         }
1787         else
1788         {
1789                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1790                 Protocol_WriteStatsReliable();
1791         }
1792
1793         if(success)
1794                 client->num_skippedentityframes = 0;
1795         else
1796                 ++client->num_skippedentityframes;
1797 }
1798
1799 /*
1800 =============
1801 SV_CleanupEnts
1802
1803 =============
1804 */
1805 static void SV_CleanupEnts (void)
1806 {
1807         int             e;
1808         prvm_edict_t    *ent;
1809
1810         ent = PRVM_NEXT_EDICT(prog->edicts);
1811         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1812                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1813 }
1814
1815 /*
1816 ==================
1817 SV_WriteClientdataToMessage
1818
1819 ==================
1820 */
1821 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1822 {
1823         int             bits;
1824         int             i;
1825         prvm_edict_t    *other;
1826         int             items;
1827         prvm_eval_t     *val;
1828         vec3_t  punchvector;
1829         int             viewzoom;
1830         const char *s;
1831         float   *statsf = (float *)stats;
1832
1833 //
1834 // send a damage message
1835 //
1836         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1837         {
1838                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1839                 MSG_WriteByte (msg, svc_damage);
1840                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1841                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1842                 for (i=0 ; i<3 ; i++)
1843                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1844
1845                 ent->fields.server->dmg_take = 0;
1846                 ent->fields.server->dmg_save = 0;
1847         }
1848
1849 //
1850 // send the current viewpos offset from the view entity
1851 //
1852         SV_SetIdealPitch ();            // how much to look up / down ideally
1853
1854 // a fixangle might get lost in a dropped packet.  Oh well.
1855         if(ent->fields.server->fixangle)
1856         {
1857                 // angle fixing was requested by global thinking code...
1858                 // so store the current angles for later use
1859                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1860                 host_client->fixangle_angles_set = TRUE;
1861
1862                 // and clear fixangle for the next frame
1863                 ent->fields.server->fixangle = 0;
1864         }
1865
1866         if (host_client->fixangle_angles_set)
1867         {
1868                 MSG_WriteByte (msg, svc_setangle);
1869                 for (i=0 ; i < 3 ; i++)
1870                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1871                 host_client->fixangle_angles_set = FALSE;
1872         }
1873
1874         // stuff the sigil bits into the high bits of items for sbar, or else
1875         // mix in items2
1876         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1877         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1878                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1879         else
1880                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1881
1882         VectorClear(punchvector);
1883         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1884                 VectorCopy(val->vector, punchvector);
1885
1886         // cache weapon model name and index in client struct to save time
1887         // (this search can be almost 1% of cpu time!)
1888         s = PRVM_GetString(ent->fields.server->weaponmodel);
1889         if (strcmp(s, client->weaponmodel))
1890         {
1891                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1892                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1893         }
1894
1895         viewzoom = 255;
1896         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1897                 viewzoom = (int)(val->_float * 255.0f);
1898         if (viewzoom == 0)
1899                 viewzoom = 255;
1900
1901         bits = 0;
1902
1903         if ((int)ent->fields.server->flags & FL_ONGROUND)
1904                 bits |= SU_ONGROUND;
1905         if (ent->fields.server->waterlevel >= 2)
1906                 bits |= SU_INWATER;
1907         if (ent->fields.server->idealpitch)
1908                 bits |= SU_IDEALPITCH;
1909
1910         for (i=0 ; i<3 ; i++)
1911         {
1912                 if (ent->fields.server->punchangle[i])
1913                         bits |= (SU_PUNCH1<<i);
1914                 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)
1915                         if (punchvector[i])
1916                                 bits |= (SU_PUNCHVEC1<<i);
1917                 if (ent->fields.server->velocity[i])
1918                         bits |= (SU_VELOCITY1<<i);
1919         }
1920
1921         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1922         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1923         stats[STAT_ITEMS] = items;
1924         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1925         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1926         stats[STAT_WEAPON] = client->weaponmodelindex;
1927         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1928         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1929         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1930         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1931         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1932         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1933         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1934         stats[STAT_VIEWZOOM] = viewzoom;
1935         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1936         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1937         // the QC bumps these itself by sending svc_'s, so we have to keep them
1938         // zero or they'll be corrected by the engine
1939         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1940         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1941
1942         // movement settings for prediction
1943         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1944         stats[STAT_MOVEFLAGS] = MOVEFLAG_VALID
1945                 | (sv_gameplayfix_q2airaccelerate.integer ? MOVEFLAG_Q2AIRACCELERATE : 0)
1946                 | (sv_gameplayfix_nogravityonground.integer ? MOVEFLAG_NOGRAVITYONGROUND : 0)
1947                 | (sv_gameplayfix_gravityunaffectedbyticrate.integer ? MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE : 0)
1948         ;
1949         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1950         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1951         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1952         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1953         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1954         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1955         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1956         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1957         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1958         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1959         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1960         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1961         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1962         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1963         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1964         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1965         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1966         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1967         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1968         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1969         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1970         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1971         statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW] = sv_airstrafeaccel_qw.value;
1972         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1973         statsf[STAT_MOVEVARS_AIRCONTROL_POWER] = sv_aircontrol_power.value;
1974         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1975         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1976         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1977         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1978         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1979         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1980         statsf[STAT_TIMELIMIT] = timelimit.value;
1981
1982         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)
1983         {
1984                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1985                 bits |= SU_ITEMS;
1986                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1987                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1988                 bits |= SU_WEAPON;
1989                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1990                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1991                         if (viewzoom != 255)
1992                                 bits |= SU_VIEWZOOM;
1993         }
1994
1995         if (bits >= 65536)
1996                 bits |= SU_EXTEND1;
1997         if (bits >= 16777216)
1998                 bits |= SU_EXTEND2;
1999
2000         // send the data
2001         MSG_WriteByte (msg, svc_clientdata);
2002         MSG_WriteShort (msg, bits);
2003         if (bits & SU_EXTEND1)
2004                 MSG_WriteByte(msg, bits >> 16);
2005         if (bits & SU_EXTEND2)
2006                 MSG_WriteByte(msg, bits >> 24);
2007
2008         if (bits & SU_VIEWHEIGHT)
2009                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
2010
2011         if (bits & SU_IDEALPITCH)
2012                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
2013
2014         for (i=0 ; i<3 ; i++)
2015         {
2016                 if (bits & (SU_PUNCH1<<i))
2017                 {
2018                         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)
2019                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
2020                         else
2021                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
2022                 }
2023                 if (bits & (SU_PUNCHVEC1<<i))
2024                 {
2025                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2026                                 MSG_WriteCoord16i(msg, punchvector[i]);
2027                         else
2028                                 MSG_WriteCoord32f(msg, punchvector[i]);
2029                 }
2030                 if (bits & (SU_VELOCITY1<<i))
2031                 {
2032                         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)
2033                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
2034                         else
2035                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
2036                 }
2037         }
2038
2039         if (bits & SU_ITEMS)
2040                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
2041
2042         if (sv.protocol == PROTOCOL_DARKPLACES5)
2043         {
2044                 if (bits & SU_WEAPONFRAME)
2045                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
2046                 if (bits & SU_ARMOR)
2047                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
2048                 if (bits & SU_WEAPON)
2049                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
2050                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2051                 MSG_WriteShort (msg, stats[STAT_AMMO]);
2052                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
2053                 MSG_WriteShort (msg, stats[STAT_NAILS]);
2054                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
2055                 MSG_WriteShort (msg, stats[STAT_CELLS]);
2056                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
2057                 if (bits & SU_VIEWZOOM)
2058                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2059         }
2060         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)
2061         {
2062                 if (bits & SU_WEAPONFRAME)
2063                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
2064                 if (bits & SU_ARMOR)
2065                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
2066                 if (bits & SU_WEAPON)
2067                 {
2068                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2069                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
2070                         else
2071                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
2072                 }
2073                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
2074                 MSG_WriteByte (msg, stats[STAT_AMMO]);
2075                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
2076                 MSG_WriteByte (msg, stats[STAT_NAILS]);
2077                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
2078                 MSG_WriteByte (msg, stats[STAT_CELLS]);
2079                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
2080                 {
2081                         for (i = 0;i < 32;i++)
2082                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
2083                                         break;
2084                         MSG_WriteByte (msg, i);
2085                 }
2086                 else
2087                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
2088                 if (bits & SU_VIEWZOOM)
2089                 {
2090                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
2091                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
2092                         else
2093                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
2094                 }
2095         }
2096 }
2097
2098 void SV_FlushBroadcastMessages(void)
2099 {
2100         int i;
2101         client_t *client;
2102         if (sv.datagram.cursize <= 0)
2103                 return;
2104         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2105         {
2106                 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])))
2107                         continue;
2108                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
2109                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
2110         }
2111         SZ_Clear(&sv.datagram);
2112 }
2113
2114 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
2115 {
2116         // scan the splitpoints to find out how many we can fit in
2117         int numsegments, j, split;
2118         if (!client->unreliablemsg_splitpoints)
2119                 return;
2120         // always accept the first one if it's within 1024 bytes, this ensures
2121         // that very big datagrams which are over the rate limit still get
2122         // through, just to keep it working
2123         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
2124                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
2125                         break;
2126         // the first segment gets an exemption from the rate limiting, otherwise
2127         // it could get dropped consistently due to a low rate limit
2128         if (numsegments == 1)
2129                 maxsize = maxsize2;
2130         // some will fit, so add the ones that will fit
2131         split = client->unreliablemsg_splitpoint[numsegments-1];
2132         // note this discards ones that were accepted by the segments scan but
2133         // can not fit, such as a really huge first one that will never ever
2134         // fit in a packet...
2135         if (msg->cursize + split <= maxsize)
2136                 SZ_Write(msg, client->unreliablemsg.data, split);
2137         // remove the part we sent, keeping any remaining data
2138         client->unreliablemsg.cursize -= split;
2139         if (client->unreliablemsg.cursize > 0)
2140                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
2141         // adjust remaining splitpoints
2142         client->unreliablemsg_splitpoints -= numsegments;
2143         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
2144                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
2145 }
2146
2147 /*
2148 =======================
2149 SV_SendClientDatagram
2150 =======================
2151 */
2152 static void SV_SendClientDatagram (client_t *client)
2153 {
2154         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
2155         sizebuf_t msg;
2156         int stats[MAX_CL_STATS];
2157         static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
2158
2159         // obey rate limit by limiting packet frequency if the packet size
2160         // limiting fails
2161         // (usually this is caused by reliable messages)
2162         if (!NetConn_CanSend(client->netconnection))
2163                 return;
2164
2165         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
2166         maxrate = max(NET_MINRATE, sv_maxrate.integer);
2167         if (sv_maxrate.integer != maxrate)
2168                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
2169
2170         // clientrate determines the 'cleartime' of a packet
2171         // (how long to wait before sending another, based on this packet's size)
2172         clientrate = bound(NET_MINRATE, client->rate, maxrate);
2173
2174         switch (sv.protocol)
2175         {
2176         case PROTOCOL_QUAKE:
2177         case PROTOCOL_QUAKEDP:
2178         case PROTOCOL_NEHAHRAMOVIE:
2179         case PROTOCOL_NEHAHRABJP:
2180         case PROTOCOL_NEHAHRABJP2:
2181         case PROTOCOL_NEHAHRABJP3:
2182         case PROTOCOL_QUAKEWORLD:
2183                 // no packet size limit support on Quake protocols because it just
2184                 // causes missing entities/effects
2185                 // packets are simply sent less often to obey the rate limit
2186                 maxsize = 1024;
2187                 maxsize2 = 1024;
2188                 break;
2189         case PROTOCOL_DARKPLACES1:
2190         case PROTOCOL_DARKPLACES2:
2191         case PROTOCOL_DARKPLACES3:
2192         case PROTOCOL_DARKPLACES4:
2193                 // no packet size limit support on DP1-4 protocols because they kick
2194                 // the client off if they overflow, and miss effects
2195                 // packets are simply sent less often to obey the rate limit
2196                 maxsize = sizeof(sv_sendclientdatagram_buf);
2197                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2198                 break;
2199         default:
2200                 // DP5 and later protocols support packet size limiting which is a
2201                 // better method than limiting packet frequency as QW does
2202                 //
2203                 // at very low rates (or very small sys_ticrate) the packet size is
2204                 // not reduced below 128, but packets may be sent less often
2205                 maxsize = (int)(clientrate * sys_ticrate.value);
2206                 maxsize = bound(128, maxsize, 1400);
2207                 maxsize2 = 1400;
2208                 // csqc entities can easily exceed 128 bytes, so disable throttling in
2209                 // mods that use csqc (they are likely to use less bandwidth anyway)
2210                 if (sv.csqc_progsize > 0)
2211                         maxsize = maxsize2;
2212                 break;
2213         }
2214
2215         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
2216         {
2217                 // for good singleplayer, send huge packets
2218                 maxsize = sizeof(sv_sendclientdatagram_buf);
2219                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
2220                 // never limit frequency in singleplayer
2221                 clientrate = 1000000000;
2222         }
2223
2224         // while downloading, limit entity updates to half the packet
2225         // (any leftover space will be used for downloading)
2226         if (host_client->download_file)
2227                 maxsize /= 2;
2228
2229         msg.data = sv_sendclientdatagram_buf;
2230         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
2231         msg.cursize = 0;
2232         msg.allowoverflow = false;
2233
2234         if (host_client->spawned)
2235         {
2236                 // the player is in the game
2237                 MSG_WriteByte (&msg, svc_time);
2238                 MSG_WriteFloat (&msg, sv.time);
2239
2240                 // add the client specific data to the datagram
2241                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
2242                 // now update the stats[] array using any registered custom fields
2243                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
2244                 // set host_client->statsdeltabits
2245                 Protocol_UpdateClientStats (stats);
2246
2247                 // add as many queued unreliable messages (effects) as we can fit
2248                 // limit effects to half of the remaining space
2249                 if (client->unreliablemsg.cursize)
2250                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
2251
2252                 // now write as many entities as we can fit, and also sends stats
2253                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
2254         }
2255         else if (realtime > client->keepalivetime)
2256         {
2257                 // the player isn't totally in the game yet
2258                 // send small keepalive messages if too much time has passed
2259                 // (may also be sending downloads)
2260                 client->keepalivetime = realtime + 5;
2261                 MSG_WriteChar (&msg, svc_nop);
2262         }
2263
2264         // if a download is active, see if there is room to fit some download data
2265         // in this packet
2266         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
2267         if (host_client->download_file && host_client->download_started && downloadsize > 0)
2268         {
2269                 fs_offset_t downloadstart;
2270                 unsigned char data[1400];
2271                 downloadstart = FS_Tell(host_client->download_file);
2272                 downloadsize = min(downloadsize, (int)sizeof(data));
2273                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
2274                 // note this sends empty messages if at the end of the file, which is
2275                 // necessary to keep the packet loss logic working
2276                 // (the last blocks may be lost and need to be re-sent, and that will
2277                 //  only occur if the client acks the empty end messages, revealing
2278                 //  a gap in the download progress, causing the last blocks to be
2279                 //  sent again)
2280                 MSG_WriteChar (&msg, svc_downloaddata);
2281                 MSG_WriteLong (&msg, downloadstart);
2282                 MSG_WriteShort (&msg, downloadsize);
2283                 if (downloadsize > 0)
2284                         SZ_Write (&msg, data, downloadsize);
2285         }
2286
2287         // reliable only if none is in progress
2288         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2289                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2290         // unreliable
2291         SV_WriteDemoMessage(client, &msg, false);
2292
2293 // send the datagram
2294         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2295         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2296                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2297 }
2298
2299 /*
2300 =======================
2301 SV_UpdateToReliableMessages
2302 =======================
2303 */
2304 static void SV_UpdateToReliableMessages (void)
2305 {
2306         int i, j;
2307         client_t *client;
2308         prvm_eval_t *val;
2309         const char *name;
2310         const char *model;
2311         const char *skin;
2312
2313 // check for changes to be sent over the reliable streams
2314         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2315         {
2316                 // update the host_client fields we care about according to the entity fields
2317                 host_client->edict = PRVM_EDICT_NUM(i+1);
2318
2319                 // DP_SV_CLIENTNAME
2320                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2321                 if (name == NULL)
2322                         name = "";
2323                 // always point the string back at host_client->name to keep it safe
2324                 strlcpy (host_client->name, name, sizeof (host_client->name));
2325                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2326                 if (strcmp(host_client->old_name, host_client->name))
2327                 {
2328                         if (host_client->spawned)
2329                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2330                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2331                         // send notification to all clients
2332                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2333                         MSG_WriteByte (&sv.reliable_datagram, i);
2334                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2335                         SV_WriteNetnameIntoDemo(host_client);
2336                 }
2337
2338                 // DP_SV_CLIENTCOLORS
2339                 // this is always found (since it's added by the progs loader)
2340                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2341                         host_client->colors = (int)val->_float;
2342                 if (host_client->old_colors != host_client->colors)
2343                 {
2344                         host_client->old_colors = host_client->colors;
2345                         // send notification to all clients
2346                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2347                         MSG_WriteByte (&sv.reliable_datagram, i);
2348                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2349                 }
2350
2351                 // NEXUIZ_PLAYERMODEL
2352                 if( prog->fieldoffsets.playermodel >= 0 ) {
2353                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2354                         if (model == NULL)
2355                                 model = "";
2356                         // always point the string back at host_client->name to keep it safe
2357                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2358                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2359                 }
2360
2361                 // NEXUIZ_PLAYERSKIN
2362                 if( prog->fieldoffsets.playerskin >= 0 ) {
2363                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2364                         if (skin == NULL)
2365                                 skin = "";
2366                         // always point the string back at host_client->name to keep it safe
2367                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2368                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2369                 }
2370
2371                 // TODO: add an extension name for this [1/17/2008 Black]
2372                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2373                         int oldclientcamera = host_client->clientcamera;
2374                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2375                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2376                         } else {
2377                                 host_client->clientcamera = val->edict;
2378                         }
2379
2380                         if( oldclientcamera != host_client->clientcamera ) {
2381                                 MSG_WriteByte (&host_client->netconnection->message, svc_setview );
2382                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2383                         }
2384                 }
2385
2386                 // frags
2387                 host_client->frags = (int)host_client->edict->fields.server->frags;
2388                 if(gamemode == GAME_NEXUIZ)
2389                         if(!host_client->spawned && host_client->netconnection)
2390                                 host_client->frags = -666;
2391                 if (host_client->old_frags != host_client->frags)
2392                 {
2393                         host_client->old_frags = host_client->frags;
2394                         // send notification to all clients
2395                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2396                         MSG_WriteByte (&sv.reliable_datagram, i);
2397                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2398                 }
2399         }
2400
2401         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2402                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2403                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2404
2405         SZ_Clear (&sv.reliable_datagram);
2406 }
2407
2408
2409 /*
2410 =======================
2411 SV_SendClientMessages
2412 =======================
2413 */
2414 void SV_SendClientMessages (void)
2415 {
2416         int i, prepared = false;
2417
2418         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2419                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2420
2421         SV_FlushBroadcastMessages();
2422
2423 // update frags, names, etc
2424         SV_UpdateToReliableMessages();
2425
2426 // build individual updates
2427         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2428         {
2429                 if (!host_client->active)
2430                         continue;
2431                 if (!host_client->netconnection)
2432                         continue;
2433
2434                 if (host_client->netconnection->message.overflowed)
2435                 {
2436                         SV_DropClient (true);   // if the message couldn't send, kick off
2437                         continue;
2438                 }
2439
2440                 if (!prepared)
2441                 {
2442                         prepared = true;
2443                         // only prepare entities once per frame
2444                         SV_PrepareEntitiesForSending();
2445                 }
2446                 SV_SendClientDatagram (host_client);
2447         }
2448
2449 // clear muzzle flashes
2450         SV_CleanupEnts();
2451 }
2452
2453 static void SV_StartDownload_f(void)
2454 {
2455         if (host_client->download_file)
2456                 host_client->download_started = true;
2457 }
2458
2459 /*
2460  * Compression extension negotiation:
2461  *
2462  * Server to client:
2463  *   cl_serverextension_download 2
2464  *
2465  * Client to server:
2466  *   download <filename> <list of zero or more suppported compressions in order of preference>
2467  * e.g.
2468  *   download maps/map1.bsp lzo deflate huffman
2469  *
2470  * Server to client:
2471  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2472  * e.g.
2473  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2474  *
2475  * The server may choose not to compress the file by sending no compression name, like:
2476  *   cl_downloadbegin 345678 maps/map1.bsp
2477  *
2478  * NOTE: the "download" command may only specify compression algorithms if
2479  *       cl_serverextension_download is 2!
2480  *       If cl_serverextension_download has a different value, the client must
2481  *       assume this extension is not supported!
2482  */
2483
2484 static void Download_CheckExtensions(void)
2485 {
2486         int i;
2487         int argc = Cmd_Argc();
2488
2489         // first reset them all
2490         host_client->download_deflate = false;
2491         
2492         for(i = 2; i < argc; ++i)
2493         {
2494                 if(!strcmp(Cmd_Argv(i), "deflate"))
2495                 {
2496                         host_client->download_deflate = true;
2497                         break;
2498                 }
2499         }
2500 }
2501
2502 static void SV_Download_f(void)
2503 {
2504         const char *whichpack, *whichpack2, *extension;
2505         qboolean is_csqc; // so we need to check only once
2506
2507         if (Cmd_Argc() < 2)
2508         {
2509                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2510                 SV_ClientPrintf("       supported extensions: deflate\n");
2511                 return;
2512         }
2513
2514         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2515         {
2516                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2517                 return;
2518         }
2519
2520         if (host_client->download_file)
2521         {
2522                 // at this point we'll assume the previous download should be aborted
2523                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2524                 Host_ClientCommands("\nstopdownload\n");
2525
2526                 // close the file and reset variables
2527                 FS_Close(host_client->download_file);
2528                 host_client->download_file = NULL;
2529                 host_client->download_name[0] = 0;
2530                 host_client->download_expectedposition = 0;
2531                 host_client->download_started = false;
2532         }
2533
2534         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2535         
2536         if (!sv_allowdownloads.integer && !is_csqc)
2537         {
2538                 SV_ClientPrintf("Downloads are disabled on this server\n");
2539                 Host_ClientCommands("\nstopdownload\n");
2540                 return;
2541         }
2542
2543         Download_CheckExtensions();
2544
2545         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2546         extension = FS_FileExtension(host_client->download_name);
2547
2548         // host_client is asking to download a specified file
2549         if (developer_extra.integer)
2550                 Con_DPrintf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2551
2552         if(is_csqc)
2553         {
2554                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2555                 extensions[0] = '\0';
2556                 
2557                 if(host_client->download_deflate)
2558                         strlcat(extensions, " deflate", sizeof(extensions));
2559                 
2560                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2561
2562                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2563                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2564                 else
2565                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2566                 
2567                 // no, no space is needed between %s and %s :P
2568                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2569
2570                 host_client->download_expectedposition = 0;
2571                 host_client->download_started = false;
2572                 host_client->sendsignon = true; // make sure this message is sent
2573                 return;
2574         }
2575
2576         if (!FS_FileExists(host_client->download_name))
2577         {
2578                 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);
2579                 Host_ClientCommands("\nstopdownload\n");
2580                 return;
2581         }
2582
2583         // check if the user is trying to download part of registered Quake(r)
2584         whichpack = FS_WhichPack(host_client->download_name);
2585         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2586         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2587         {
2588                 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);
2589                 Host_ClientCommands("\nstopdownload\n");
2590                 return;
2591         }
2592
2593         // check if the server has forbidden archive downloads entirely
2594         if (!sv_allowdownloads_inarchive.integer)
2595         {
2596                 whichpack = FS_WhichPack(host_client->download_name);
2597                 if (whichpack)
2598                 {
2599                         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);
2600                         Host_ClientCommands("\nstopdownload\n");
2601                         return;
2602                 }
2603         }
2604
2605         if (!sv_allowdownloads_config.integer)
2606         {
2607                 if (!strcasecmp(extension, "cfg"))
2608                 {
2609                         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);
2610                         Host_ClientCommands("\nstopdownload\n");
2611                         return;
2612                 }
2613         }
2614
2615         if (!sv_allowdownloads_dlcache.integer)
2616         {
2617                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2618                 {
2619                         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);
2620                         Host_ClientCommands("\nstopdownload\n");
2621                         return;
2622                 }
2623         }
2624
2625         if (!sv_allowdownloads_archive.integer)
2626         {
2627                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2628                 {
2629                         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);
2630                         Host_ClientCommands("\nstopdownload\n");
2631                         return;
2632                 }
2633         }
2634
2635         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2636         if (!host_client->download_file)
2637         {
2638                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2639                 Host_ClientCommands("\nstopdownload\n");
2640                 return;
2641         }
2642
2643         if (FS_FileSize(host_client->download_file) > 1<<30)
2644         {
2645                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2646                 Host_ClientCommands("\nstopdownload\n");
2647                 FS_Close(host_client->download_file);
2648                 host_client->download_file = NULL;
2649                 return;
2650         }
2651
2652         if (FS_FileSize(host_client->download_file) < 0)
2653         {
2654                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2655                 Host_ClientCommands("\nstopdownload\n");
2656                 FS_Close(host_client->download_file);
2657                 host_client->download_file = NULL;
2658                 return;
2659         }
2660
2661         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2662
2663         /*
2664          * we can only do this if we would actually deflate on the fly
2665          * which we do not (yet)!
2666         {
2667                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2668                 extensions[0] = '\0';
2669                 
2670                 if(host_client->download_deflate)
2671                         strlcat(extensions, " deflate", sizeof(extensions));
2672
2673                 // no, no space is needed between %s and %s :P
2674                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2675         }
2676         */
2677         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2678
2679         host_client->download_expectedposition = 0;
2680         host_client->download_started = false;
2681         host_client->sendsignon = true; // make sure this message is sent
2682
2683         // the rest of the download process is handled in SV_SendClientDatagram
2684         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2685         //
2686         // no svc_downloaddata messages will be sent until sv_startdownload is
2687         // sent by the client
2688 }
2689
2690 /*
2691 ==============================================================================
2692
2693 SERVER SPAWNING
2694
2695 ==============================================================================
2696 */
2697
2698 /*
2699 ================
2700 SV_ModelIndex
2701
2702 ================
2703 */
2704 int SV_ModelIndex(const char *s, int precachemode)
2705 {
2706         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);
2707         char filename[MAX_QPATH];
2708         if (!s || !*s)
2709                 return 0;
2710         // testing
2711         //if (precachemode == 2)
2712         //      return 0;
2713         strlcpy(filename, s, sizeof(filename));
2714         for (i = 2;i < limit;i++)
2715         {
2716                 if (!sv.model_precache[i][0])
2717                 {
2718                         if (precachemode)
2719                         {
2720                                 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))
2721                                 {
2722                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2723                                         return 0;
2724                                 }
2725                                 if (precachemode == 1)
2726                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2727                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2728                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
2729                                 if (sv.state != ss_loading)
2730                                 {
2731                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2732                                         MSG_WriteShort(&sv.reliable_datagram, i);
2733                                         MSG_WriteString(&sv.reliable_datagram, filename);
2734                                 }
2735                                 return i;
2736                         }
2737                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2738                         return 0;
2739                 }
2740                 if (!strcmp(sv.model_precache[i], filename))
2741                         return i;
2742         }
2743         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2744         return 0;
2745 }
2746
2747 /*
2748 ================
2749 SV_SoundIndex
2750
2751 ================
2752 */
2753 int SV_SoundIndex(const char *s, int precachemode)
2754 {
2755         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);
2756         char filename[MAX_QPATH];
2757         if (!s || !*s)
2758                 return 0;
2759         // testing
2760         //if (precachemode == 2)
2761         //      return 0;
2762         strlcpy(filename, s, sizeof(filename));
2763         for (i = 1;i < limit;i++)
2764         {
2765                 if (!sv.sound_precache[i][0])
2766                 {
2767                         if (precachemode)
2768                         {
2769                                 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))
2770                                 {
2771                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2772                                         return 0;
2773                                 }
2774                                 if (precachemode == 1)
2775                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2776                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2777                                 if (sv.state != ss_loading)
2778                                 {
2779                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2780                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2781                                         MSG_WriteString(&sv.reliable_datagram, filename);
2782                                 }
2783                                 return i;
2784                         }
2785                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2786                         return 0;
2787                 }
2788                 if (!strcmp(sv.sound_precache[i], filename))
2789                         return i;
2790         }
2791         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2792         return 0;
2793 }
2794
2795 /*
2796 ================
2797 SV_ParticleEffectIndex
2798
2799 ================
2800 */
2801 int SV_ParticleEffectIndex(const char *name)
2802 {
2803         int i, argc, linenumber, effectnameindex;
2804         int filepass;
2805         fs_offset_t filesize;
2806         unsigned char *filedata;
2807         const char *text;
2808         const char *textstart;
2809         //const char *textend;
2810         char argv[16][1024];
2811         char filename[MAX_QPATH];
2812         if (!sv.particleeffectnamesloaded)
2813         {
2814                 sv.particleeffectnamesloaded = true;
2815                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2816                 for (i = 0;i < EFFECT_TOTAL;i++)
2817                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2818                 for (filepass = 0;;filepass++)
2819                 {
2820                         if (filepass == 0)
2821                                 dpsnprintf(filename, sizeof(filename), "effectinfo.txt");
2822                         else if (filepass == 1)
2823                                 dpsnprintf(filename, sizeof(filename), "%s_effectinfo.txt", sv.worldnamenoextension);
2824                         else
2825                                 break;
2826                         filedata = FS_LoadFile(filename, tempmempool, true, &filesize);
2827                         if (!filedata)
2828                                 continue;
2829                         textstart = (const char *)filedata;
2830                         //textend = (const char *)filedata + filesize;
2831                         text = textstart;
2832                         for (linenumber = 1;;linenumber++)
2833                         {
2834                                 argc = 0;
2835                                 for (;;)
2836                                 {
2837                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2838                                                 break;
2839                                         if (argc < 16)
2840                                         {
2841                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2842                                                 argc++;
2843                                         }
2844                                 }
2845                                 if (com_token[0] == 0)
2846                                         break; // if the loop exited and it's not a \n, it's EOF
2847                                 if (argc < 1)
2848                                         continue;
2849                                 if (!strcmp(argv[0], "effect"))
2850                                 {
2851                                         if (argc == 2)
2852                                         {
2853                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2854                                                 {
2855                                                         if (sv.particleeffectname[effectnameindex][0])
2856                                                         {
2857                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2858                                                                         break;
2859                                                         }
2860                                                         else
2861                                                         {
2862                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2863                                                                 break;
2864                                                         }
2865                                                 }
2866                                                 // if we run out of names, abort
2867                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2868                                                 {
2869                                                         Con_Printf("%s:%i: too many effects!\n", filename, linenumber);
2870                                                         break;
2871                                                 }
2872                                         }
2873                                 }
2874                         }
2875                         Mem_Free(filedata);
2876                 }
2877         }
2878         // search for the name
2879         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2880                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2881                         return effectnameindex;
2882         // return 0 if we couldn't find it
2883         return 0;
2884 }
2885
2886 dp_model_t *SV_GetModelByIndex(int modelindex)
2887 {
2888         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2889 }
2890
2891 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed)
2892 {
2893         int modelindex;
2894         if (!ed || ed->priv.server->free)
2895                 return NULL;
2896         modelindex = (int)ed->fields.server->modelindex;
2897         return (modelindex > 0 && modelindex < MAX_MODELS) ? sv.models[modelindex] : NULL;
2898 }
2899
2900 /*
2901 ================
2902 SV_CreateBaseline
2903
2904 ================
2905 */
2906 static void SV_CreateBaseline (void)
2907 {
2908         int i, entnum, large;
2909         prvm_edict_t *svent;
2910
2911         // LordHavoc: clear *all* states (note just active ones)
2912         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2913         {
2914                 // get the current server version
2915                 svent = PRVM_EDICT_NUM(entnum);
2916
2917                 // LordHavoc: always clear state values, whether the entity is in use or not
2918                 svent->priv.server->baseline = defaultstate;
2919
2920                 if (svent->priv.server->free)
2921                         continue;
2922                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2923                         continue;
2924
2925                 // create entity baseline
2926                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2927                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2928                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2929                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2930                 if (entnum > 0 && entnum <= svs.maxclients)
2931                 {
2932                         svent->priv.server->baseline.colormap = entnum;
2933                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2934                 }
2935                 else
2936                 {
2937                         svent->priv.server->baseline.colormap = 0;
2938                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2939                 }
2940
2941                 large = false;
2942                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2943                 {
2944                         large = true;
2945                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2946                                 large = false;
2947                 }
2948
2949                 // add to the message
2950                 if (large)
2951                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2952                 else
2953                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2954                 MSG_WriteShort (&sv.signon, entnum);
2955
2956                 if (large)
2957                 {
2958                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2959                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2960                 }
2961                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2962                 {
2963                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2964                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2965                 }
2966                 else
2967                 {
2968                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2969                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2970                 }
2971                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2972                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2973                 for (i=0 ; i<3 ; i++)
2974                 {
2975                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2976                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2977                 }
2978         }
2979 }
2980
2981 /*
2982 ================
2983 SV_Prepare_CSQC
2984
2985 Load csprogs.dat and comperss it so it doesn't need to be
2986 reloaded on request.
2987 ================
2988 */
2989 void SV_Prepare_CSQC(void)
2990 {
2991         fs_offset_t progsize;
2992
2993         if(svs.csqc_progdata)
2994         {
2995                 Con_DPrintf("Unloading old CSQC data.\n");
2996                 Mem_Free(svs.csqc_progdata);
2997                 if(svs.csqc_progdata_deflated)
2998                         Mem_Free(svs.csqc_progdata_deflated);
2999         }
3000
3001         svs.csqc_progdata = NULL;
3002         svs.csqc_progdata_deflated = NULL;
3003         
3004         sv.csqc_progname[0] = 0;
3005         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
3006
3007         if(progsize > 0)
3008         {
3009                 size_t deflated_size;
3010
3011                 sv.csqc_progsize = (int)progsize;
3012                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
3013                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
3014                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
3015
3016                 Con_DPrint("Compressing csprogs.dat\n");
3017                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
3018                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
3019                 svs.csqc_progsize_deflated = (int)deflated_size;
3020                 if(svs.csqc_progdata_deflated)
3021                 {
3022                         Con_DPrintf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
3023                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
3024                 }
3025                 else
3026                         Con_DPrintf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
3027         }
3028 }
3029
3030 /*
3031 ================
3032 SV_SaveSpawnparms
3033
3034 Grabs the current state of each client for saving across the
3035 transition to another level
3036 ================
3037 */
3038 void SV_SaveSpawnparms (void)
3039 {
3040         int             i, j;
3041
3042         svs.serverflags = (int)prog->globals.server->serverflags;
3043
3044         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3045         {
3046                 if (!host_client->active)
3047                         continue;
3048
3049         // call the progs to get default spawn parms for the new client
3050                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3051                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
3052                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
3053                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
3054         }
3055 }
3056
3057 /*
3058 ================
3059 SV_SpawnServer
3060
3061 This is called at the start of each level
3062 ================
3063 */
3064
3065 void SV_SpawnServer (const char *server)
3066 {
3067         prvm_edict_t *ent;
3068         int i;
3069         char *entities;
3070         dp_model_t *worldmodel;
3071         char modelname[sizeof(sv.worldname)];
3072
3073         Con_DPrintf("SpawnServer: %s\n", server);
3074
3075         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
3076
3077         if (!FS_FileExists(modelname))
3078         {
3079                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
3080                 return;
3081         }
3082
3083         if (cls.state != ca_dedicated)
3084         {
3085                 SCR_BeginLoadingPlaque();
3086                 S_StopAllSounds();
3087         }
3088
3089         if(sv.active)
3090         {
3091                 SV_VM_Begin();
3092                 World_End(&sv.world);
3093                 if(prog->funcoffsets.SV_Shutdown)
3094                 {
3095                         func_t s = prog->funcoffsets.SV_Shutdown;
3096                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
3097                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
3098                 }
3099                 SV_VM_End();
3100         }
3101
3102         // free q3 shaders so that any newly downloaded shaders will be active
3103         Mod_FreeQ3Shaders();
3104
3105         worldmodel = Mod_ForName(modelname, false, developer.integer > 0, NULL);
3106         if (!worldmodel || !worldmodel->TraceBox)
3107         {
3108                 Con_Printf("Couldn't load map %s\n", modelname);
3109                 return;
3110         }
3111
3112         // let's not have any servers with no name
3113         if (hostname.string[0] == 0)
3114                 Cvar_Set ("hostname", "UNNAMED");
3115         scr_centertime_off = 0;
3116
3117         svs.changelevel_issued = false;         // now safe to issue another
3118
3119         // make the map a required file for clients
3120         Curl_ClearRequirements();
3121         Curl_RequireFile(modelname);
3122
3123 //
3124 // tell all connected clients that we are going to a new level
3125 //
3126         if (sv.active)
3127         {
3128                 client_t *client;
3129                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
3130                 {
3131                         if (client->netconnection)
3132                         {
3133                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
3134                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
3135                         }
3136                 }
3137         }
3138         else
3139         {
3140                 // open server port
3141                 NetConn_OpenServerPorts(true);
3142         }