added cvar sv_gameplayfix_noairborncorpse_allowsuspendeditems
[divverent/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 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)"};
37 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)"};
38 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
39 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
40 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
41 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
42 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
43 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)"};
44 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
45 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)"};
46 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
47
48 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
49 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"};
50 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration"};
51 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging)"};
52 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"};
53 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
54 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
55 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
56 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
57 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
58 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
59 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
60 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
61 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
62 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "64", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
63 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"};
64 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"};
65 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)"};
66 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)"};
67 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)"};
68 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!)"};
69 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
70 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
71 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"};
72 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
73 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"};
74 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
75 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
76 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "1", "number of samples to test for entity culling"};
77 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"};
78 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"};
79 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
80 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
81 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)"};
82 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)"};
83 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)"};
84 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
85 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
86 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"};
87 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"};
88 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)"};
89 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"};
90 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)"};
91 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"};
92 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
93 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"};
94 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"};
95 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"};
96 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)"};
97 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"};
98 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)"};
99 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)"};
100 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"};
101 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"};
102 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
103 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
104 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
105 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
106 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
107 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)"};
108 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
109 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
110 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
111 cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "0", "enables simpler/buggier player physics (not recommended)"};
112 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
113 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
114 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
115 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
116 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"};
117 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)"};
118 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)"};
119 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)"};
120 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
121 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
122 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
123 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"};
124 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"};
125 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
126 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)"};
127 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
128 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)"};
129 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"};
130 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"};
131 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"};
132 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
133
134 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
135 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
136 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
137 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
138 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
139 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
140 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
141 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
142 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
143 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)"};
144
145 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
146 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
147 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
148 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
149 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
150 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
151 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
152 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
153 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
154 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
155 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
156 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
157 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
158 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
159 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
160 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
161 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
162 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
163 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
164 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
165 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
166
167 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)"};
168 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)" };
169
170 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
171
172 server_t sv;
173 server_static_t svs;
174
175 mempool_t *sv_mempool = NULL;
176
177 extern cvar_t slowmo;
178 extern float            scr_centertime_off;
179
180 // MUST match effectnameindex_t in client.h
181 static const char *standardeffectnames[EFFECT_TOTAL] =
182 {
183         "",
184         "TE_GUNSHOT",
185         "TE_GUNSHOTQUAD",
186         "TE_SPIKE",
187         "TE_SPIKEQUAD",
188         "TE_SUPERSPIKE",
189         "TE_SUPERSPIKEQUAD",
190         "TE_WIZSPIKE",
191         "TE_KNIGHTSPIKE",
192         "TE_EXPLOSION",
193         "TE_EXPLOSIONQUAD",
194         "TE_TAREXPLOSION",
195         "TE_TELEPORT",
196         "TE_LAVASPLASH",
197         "TE_SMALLFLASH",
198         "TE_FLAMEJET",
199         "EF_FLAME",
200         "TE_BLOOD",
201         "TE_SPARK",
202         "TE_PLASMABURN",
203         "TE_TEI_G3",
204         "TE_TEI_SMOKE",
205         "TE_TEI_BIGEXPLOSION",
206         "TE_TEI_PLASMAHIT",
207         "EF_STARDUST",
208         "TR_ROCKET",
209         "TR_GRENADE",
210         "TR_BLOOD",
211         "TR_WIZSPIKE",
212         "TR_SLIGHTBLOOD",
213         "TR_KNIGHTSPIKE",
214         "TR_VORESPIKE",
215         "TR_NEHAHRASMOKE",
216         "TR_NEXUIZPLASMA",
217         "TR_GLOWTRAIL",
218         "SVC_PARTICLE"
219 };
220
221 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
222
223 prvm_required_field_t reqfields[] =
224 {
225         {ev_entity, "cursor_trace_ent"},
226         {ev_entity, "drawonlytoclient"},
227         {ev_entity, "exteriormodeltoclient"},
228         {ev_entity, "nodrawtoclient"},
229         {ev_entity, "tag_entity"},
230         {ev_entity, "viewmodelforclient"},
231         {ev_float, "SendFlags"},
232         {ev_float, "Version"},
233         {ev_float, "alpha"},
234         {ev_float, "ammo_cells1"},
235         {ev_float, "ammo_lava_nails"},
236         {ev_float, "ammo_multi_rockets"},
237         {ev_float, "ammo_nails1"},
238         {ev_float, "ammo_plasma"},
239         {ev_float, "ammo_rockets1"},
240         {ev_float, "ammo_shells1"},
241         {ev_float, "button3"},
242         {ev_float, "button4"},
243         {ev_float, "button5"},
244         {ev_float, "button6"},
245         {ev_float, "button7"},
246         {ev_float, "button8"},
247         {ev_float, "button9"},
248         {ev_float, "button10"},
249         {ev_float, "button11"},
250         {ev_float, "button12"},
251         {ev_float, "button13"},
252         {ev_float, "button14"},
253         {ev_float, "button15"},
254         {ev_float, "button16"},
255         {ev_float, "buttonchat"},
256         {ev_float, "buttonuse"},
257         {ev_float, "clientcolors"},
258         {ev_float, "cursor_active"},
259         {ev_float, "disableclientprediction"},
260         {ev_float, "fullbright"},
261         {ev_float, "glow_color"},
262         {ev_float, "glow_size"},
263         {ev_float, "glow_trail"},
264         {ev_float, "gravity"},
265         {ev_float, "idealpitch"},
266         {ev_float, "items2"},
267         {ev_float, "light_lev"},
268         {ev_float, "modelflags"},
269         {ev_float, "pflags"},
270         {ev_float, "ping"},
271         {ev_float, "pitch_speed"},
272         {ev_float, "pmodel"},
273         {ev_float, "renderamt"}, // HalfLife support
274         {ev_float, "rendermode"}, // HalfLife support
275         {ev_float, "scale"},
276         {ev_float, "style"},
277         {ev_float, "tag_index"},
278         {ev_float, "viewzoom"},
279         {ev_function, "SendEntity"},
280         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
281         {ev_function, "customizeentityforclient"},
282         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
283         {ev_string, "netaddress"},
284         {ev_string, "playermodel"},
285         {ev_string, "playerskin"},
286         {ev_vector, "color"},
287         {ev_vector, "colormod"},
288         {ev_vector, "cursor_screen"},
289         {ev_vector, "cursor_trace_endpos"},
290         {ev_vector, "cursor_trace_start"},
291         {ev_vector, "movement"},
292         {ev_vector, "punchvector"},
293 };
294
295
296
297 //============================================================================
298
299 void SV_AreaStats_f(void)
300 {
301         World_PrintAreaStats(&sv.world, "server");
302 }
303
304 /*
305 ===============
306 SV_Init
307 ===============
308 */
309 void SV_Init (void)
310 {
311         // init the csqc progs cvars, since they are updated/used by the server code
312         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
313         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
314         extern cvar_t csqc_progcrc;
315         extern cvar_t csqc_progsize;
316         Cvar_RegisterVariable (&csqc_progname);
317         Cvar_RegisterVariable (&csqc_progcrc);
318         Cvar_RegisterVariable (&csqc_progsize);
319
320         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
321         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
322         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
323         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
324
325         Cvar_RegisterVariable (&coop);
326         Cvar_RegisterVariable (&deathmatch);
327         Cvar_RegisterVariable (&fraglimit);
328         Cvar_RegisterVariable (&gamecfg);
329         Cvar_RegisterVariable (&noexit);
330         Cvar_RegisterVariable (&nomonsters);
331         Cvar_RegisterVariable (&pausable);
332         Cvar_RegisterVariable (&pr_checkextension);
333         Cvar_RegisterVariable (&samelevel);
334         Cvar_RegisterVariable (&skill);
335         Cvar_RegisterVariable (&slowmo);
336         Cvar_RegisterVariable (&sv_accelerate);
337         Cvar_RegisterVariable (&sv_aim);
338         Cvar_RegisterVariable (&sv_airaccel_qw);
339         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
340         Cvar_RegisterVariable (&sv_airaccelerate);
341         Cvar_RegisterVariable (&sv_airstopaccelerate);
342         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
343         Cvar_RegisterVariable (&sv_maxairstrafespeed);
344         Cvar_RegisterVariable (&sv_aircontrol);
345         Cvar_RegisterVariable (&sv_allowdownloads);
346         Cvar_RegisterVariable (&sv_allowdownloads_archive);
347         Cvar_RegisterVariable (&sv_allowdownloads_config);
348         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
349         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
350         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
351         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
352         Cvar_RegisterVariable (&sv_clmovement_enable);
353         Cvar_RegisterVariable (&sv_clmovement_minping);
354         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
355         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
356         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
357         Cvar_RegisterVariable (&sv_cullentities_pvs);
358         Cvar_RegisterVariable (&sv_cullentities_stats);
359         Cvar_RegisterVariable (&sv_cullentities_trace);
360         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
361         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
362         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
363         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
364         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
365         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
366         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
367         Cvar_RegisterVariable (&sv_debugmove);
368         Cvar_RegisterVariable (&sv_echobprint);
369         Cvar_RegisterVariable (&sv_edgefriction);
370         Cvar_RegisterVariable (&sv_entpatch);
371         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
372         Cvar_RegisterVariable (&sv_freezenonclients);
373         Cvar_RegisterVariable (&sv_friction);
374         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
375         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
376         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
377         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
378         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
379         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
380         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
381         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
382         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
383         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
384         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse_allowsuspendeditems);
385         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
386         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
387         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
388         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
389         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
390         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
391         Cvar_RegisterVariable (&sv_gravity);
392         Cvar_RegisterVariable (&sv_idealpitchscale);
393         Cvar_RegisterVariable (&sv_jumpstep);
394         Cvar_RegisterVariable (&sv_jumpvelocity);
395         Cvar_RegisterVariable (&sv_maxairspeed);
396         Cvar_RegisterVariable (&sv_maxrate);
397         Cvar_RegisterVariable (&sv_maxspeed);
398         Cvar_RegisterVariable (&sv_maxvelocity);
399         Cvar_RegisterVariable (&sv_newflymove);
400         Cvar_RegisterVariable (&sv_nostep);
401         Cvar_RegisterVariable (&sv_playerphysicsqc);
402         Cvar_RegisterVariable (&sv_progs);
403         Cvar_RegisterVariable (&sv_protocolname);
404         Cvar_RegisterVariable (&sv_random_seed);
405         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
406         Cvar_RegisterVariable (&sv_sound_land);
407         Cvar_RegisterVariable (&sv_sound_watersplash);
408         Cvar_RegisterVariable (&sv_stepheight);
409         Cvar_RegisterVariable (&sv_stopspeed);
410         Cvar_RegisterVariable (&sv_wallfriction);
411         Cvar_RegisterVariable (&sv_wateraccelerate);
412         Cvar_RegisterVariable (&sv_waterfriction);
413         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
414         Cvar_RegisterVariable (&sv_warsowbunny_accel);
415         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
416         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
417         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
418         Cvar_RegisterVariable (&sys_ticrate);
419         Cvar_RegisterVariable (&teamplay);
420         Cvar_RegisterVariable (&timelimit);
421
422         Cvar_RegisterVariable (&saved1);
423         Cvar_RegisterVariable (&saved2);
424         Cvar_RegisterVariable (&saved3);
425         Cvar_RegisterVariable (&saved4);
426         Cvar_RegisterVariable (&savedgamecfg);
427         Cvar_RegisterVariable (&scratch1);
428         Cvar_RegisterVariable (&scratch2);
429         Cvar_RegisterVariable (&scratch3);
430         Cvar_RegisterVariable (&scratch4);
431         Cvar_RegisterVariable (&temp1);
432
433         // LordHavoc: Nehahra uses these to pass data around cutscene demos
434         if (gamemode == GAME_NEHAHRA)
435         {
436                 Cvar_RegisterVariable (&nehx00);
437                 Cvar_RegisterVariable (&nehx01);
438                 Cvar_RegisterVariable (&nehx02);
439                 Cvar_RegisterVariable (&nehx03);
440                 Cvar_RegisterVariable (&nehx04);
441                 Cvar_RegisterVariable (&nehx05);
442                 Cvar_RegisterVariable (&nehx06);
443                 Cvar_RegisterVariable (&nehx07);
444                 Cvar_RegisterVariable (&nehx08);
445                 Cvar_RegisterVariable (&nehx09);
446                 Cvar_RegisterVariable (&nehx10);
447                 Cvar_RegisterVariable (&nehx11);
448                 Cvar_RegisterVariable (&nehx12);
449                 Cvar_RegisterVariable (&nehx13);
450                 Cvar_RegisterVariable (&nehx14);
451                 Cvar_RegisterVariable (&nehx15);
452                 Cvar_RegisterVariable (&nehx16);
453                 Cvar_RegisterVariable (&nehx17);
454                 Cvar_RegisterVariable (&nehx18);
455                 Cvar_RegisterVariable (&nehx19);
456         }
457         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
458
459         Cvar_RegisterVariable (&sv_autodemo_perclient);
460         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
461
462         Cvar_RegisterVariable (&halflifebsp);
463
464         // any special defaults for gamemodes go here
465         if (gamemode == GAME_NEHAHRA)
466         {
467                 // Nehahra pushable crates malfunction in some levels if this is on
468                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
469                 // Nehahra NPC AI is confused by this feature
470                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
471         }
472         if (gamemode == GAME_HIPNOTIC)
473         {
474                 // 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.
475                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
476                 // 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
477                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
478                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.                                                                                     
479                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);                                                                                                                                   
480         }
481         if (gamemode == GAME_ROGUE)
482         {
483                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
484                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
485         }
486
487         sv_mempool = Mem_AllocPool("server", 0, NULL);
488 }
489
490 static void SV_SaveEntFile_f(void)
491 {
492         char basename[MAX_QPATH];
493         if (!sv.active || !sv.worldmodel)
494         {
495                 Con_Print("Not running a server\n");
496                 return;
497         }
498         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
499         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
500 }
501
502
503 /*
504 =============================================================================
505
506 EVENT MESSAGES
507
508 =============================================================================
509 */
510
511 /*
512 ==================
513 SV_StartParticle
514
515 Make sure the event gets sent to all clients
516 ==================
517 */
518 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
519 {
520         int i;
521
522         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
523                 return;
524         MSG_WriteByte (&sv.datagram, svc_particle);
525         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
526         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
527         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
528         for (i=0 ; i<3 ; i++)
529                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
530         MSG_WriteByte (&sv.datagram, count);
531         MSG_WriteByte (&sv.datagram, color);
532         SV_FlushBroadcastMessages();
533 }
534
535 /*
536 ==================
537 SV_StartEffect
538
539 Make sure the event gets sent to all clients
540 ==================
541 */
542 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
543 {
544         if (modelindex >= 256 || startframe >= 256)
545         {
546                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
547                         return;
548                 MSG_WriteByte (&sv.datagram, svc_effect2);
549                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
550                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
551                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
552                 MSG_WriteShort (&sv.datagram, modelindex);
553                 MSG_WriteShort (&sv.datagram, startframe);
554                 MSG_WriteByte (&sv.datagram, framecount);
555                 MSG_WriteByte (&sv.datagram, framerate);
556         }
557         else
558         {
559                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
560                         return;
561                 MSG_WriteByte (&sv.datagram, svc_effect);
562                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
563                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
564                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
565                 MSG_WriteByte (&sv.datagram, modelindex);
566                 MSG_WriteByte (&sv.datagram, startframe);
567                 MSG_WriteByte (&sv.datagram, framecount);
568                 MSG_WriteByte (&sv.datagram, framerate);
569         }
570         SV_FlushBroadcastMessages();
571 }
572
573 /*
574 ==================
575 SV_StartSound
576
577 Each entity can have eight independant sound sources, like voice,
578 weapon, feet, etc.
579
580 Channel 0 is an auto-allocate channel, the others override anything
581 already running on that entity/channel pair.
582
583 An attenuation of 0 will play full volume everywhere in the level.
584 Larger attenuations will drop off.  (max 4 attenuation)
585
586 ==================
587 */
588 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
589 {
590         int sound_num, field_mask, i, ent;
591
592         if (volume < 0 || volume > 255)
593         {
594                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
595                 return;
596         }
597
598         if (attenuation < 0 || attenuation > 4)
599         {
600                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
601                 return;
602         }
603
604         if (channel < 0 || channel > 7)
605         {
606                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
607                 return;
608         }
609
610         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
611                 return;
612
613 // find precache number for sound
614         sound_num = SV_SoundIndex(sample, 1);
615         if (!sound_num)
616                 return;
617
618         ent = PRVM_NUM_FOR_EDICT(entity);
619
620         field_mask = 0;
621         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
622                 field_mask |= SND_VOLUME;
623         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
624                 field_mask |= SND_ATTENUATION;
625         if (ent >= 8192)
626                 field_mask |= SND_LARGEENTITY;
627         if (sound_num >= 256 || channel >= 8)
628                 field_mask |= SND_LARGESOUND;
629
630 // directed messages go only to the entity they are targeted on
631         MSG_WriteByte (&sv.datagram, svc_sound);
632         MSG_WriteByte (&sv.datagram, field_mask);
633         if (field_mask & SND_VOLUME)
634                 MSG_WriteByte (&sv.datagram, volume);
635         if (field_mask & SND_ATTENUATION)
636                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
637         if (field_mask & SND_LARGEENTITY)
638         {
639                 MSG_WriteShort (&sv.datagram, ent);
640                 MSG_WriteByte (&sv.datagram, channel);
641         }
642         else
643                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
644         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
645                 MSG_WriteShort (&sv.datagram, sound_num);
646         else
647                 MSG_WriteByte (&sv.datagram, sound_num);
648         for (i = 0;i < 3;i++)
649                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
650         SV_FlushBroadcastMessages();
651 }
652
653 /*
654 ==================
655 SV_StartPointSound
656
657 Nearly the same logic as SV_StartSound, except an origin
658 instead of an entity is provided and channel is omitted.
659
660 The entity sent to the client is 0 (world) and the channel
661 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
662 function, therefore the check for it is omitted.
663
664 ==================
665 */
666 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
667 {
668         int sound_num, field_mask, i;
669
670         if (volume < 0 || volume > 255)
671         {
672                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
673                 return;
674         }
675
676         if (attenuation < 0 || attenuation > 4)
677         {
678                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
679                 return;
680         }
681
682         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
683                 return;
684
685         // find precache number for sound
686         sound_num = SV_SoundIndex(sample, 1);
687         if (!sound_num)
688                 return;
689
690         field_mask = 0;
691         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
692                 field_mask |= SND_VOLUME;
693         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
694                 field_mask |= SND_ATTENUATION;
695         if (sound_num >= 256)
696                 field_mask |= SND_LARGESOUND;
697
698 // directed messages go only to the entity they are targeted on
699         MSG_WriteByte (&sv.datagram, svc_sound);
700         MSG_WriteByte (&sv.datagram, field_mask);
701         if (field_mask & SND_VOLUME)
702                 MSG_WriteByte (&sv.datagram, volume);
703         if (field_mask & SND_ATTENUATION)
704                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
705         // Always write entnum 0 for the world entity
706         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
707         if (field_mask & SND_LARGESOUND)
708                 MSG_WriteShort (&sv.datagram, sound_num);
709         else
710                 MSG_WriteByte (&sv.datagram, sound_num);
711         for (i = 0;i < 3;i++)
712                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
713         SV_FlushBroadcastMessages();
714 }
715
716 /*
717 ==============================================================================
718
719 CLIENT SPAWNING
720
721 ==============================================================================
722 */
723
724 /*
725 ================
726 SV_SendServerinfo
727
728 Sends the first message from the server to a connected client.
729 This will be sent on the initial connection and upon each server load.
730 ================
731 */
732 void SV_SendServerinfo (client_t *client)
733 {
734         int i;
735         char message[128];
736
737         // we know that this client has a netconnection and thus is not a bot
738
739         // edicts get reallocated on level changes, so we need to update it here
740         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
741
742         // clear cached stuff that depends on the level
743         client->weaponmodel[0] = 0;
744         client->weaponmodelindex = 0;
745
746         // LordHavoc: clear entityframe tracking
747         client->latestframenum = 0;
748
749         // initialize the movetime, so a speedhack can't make use of the time before this client joined
750         client->cmd.time = sv.time;
751
752         if (client->entitydatabase)
753                 EntityFrame_FreeDatabase(client->entitydatabase);
754         if (client->entitydatabase4)
755                 EntityFrame4_FreeDatabase(client->entitydatabase4);
756         if (client->entitydatabase5)
757                 EntityFrame5_FreeDatabase(client->entitydatabase5);
758
759         memset(client->stats, 0, sizeof(client->stats));
760         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
761
762         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)
763         {
764                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
765                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
766                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
767                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
768                 else
769                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
770         }
771
772         // reset csqc entity versions
773         for (i = 0;i < prog->max_edicts;i++)
774         {
775                 client->csqcentityscope[i] = 0;
776                 client->csqcentitysendflags[i] = 0xFFFFFF;
777                 client->csqcentityglobalhistory[i] = 0;
778         }
779         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
780         {
781                 client->csqcentityframehistory[i].num = 0;
782                 client->csqcentityframehistory[i].framenum = -1;
783         }
784         client->csqcnumedicts = 0;
785         client->csqcentityframehistory_next = 0;
786
787         SZ_Clear (&client->netconnection->message);
788         MSG_WriteByte (&client->netconnection->message, svc_print);
789         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
790         MSG_WriteString (&client->netconnection->message,message);
791
792         SV_StopDemoRecording(client); // to split up demos into different files
793         if(sv_autodemo_perclient.integer && client->netconnection)
794         {
795                 char demofile[MAX_OSPATH];
796                 char levelname[MAX_QPATH];
797                 char ipaddress[MAX_QPATH];
798                 size_t i;
799
800                 // start a new demo file
801                 strlcpy(levelname, FS_FileWithoutPath(sv.worldmodel->name), sizeof(levelname));
802                 if (strrchr(levelname, '.'))
803                         *(strrchr(levelname, '.')) = 0;
804
805                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
806                 for(i = 0; ipaddress[i]; ++i)
807                         if(!isalnum(ipaddress[i]))
808                                 ipaddress[i] = '-';
809                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), levelname, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
810
811                 SV_StartDemoRecording(client, demofile, -1);
812         }
813
814         //[515]: init csprogs according to version of svprogs, check the crc, etc.
815         if (sv.csqc_progname[0])
816         {
817                 prvm_eval_t *val;
818                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
819                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
820                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
821                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
822                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
823                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
824                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
825
826                 if(client->sv_demo_file != NULL)
827                 {
828                         int i;
829                         char buf[NET_MAXMESSAGE];
830                         sizebuf_t sb;
831
832                         sb.data = (unsigned char *) buf;
833                         sb.maxsize = sizeof(buf);
834                         i = 0;
835                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
836                                 SV_WriteDemoMessage(client, &sb, false);
837                 }
838
839                 //[515]: init stufftext string (it is sent before svc_serverinfo)
840                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
841                 if (val)
842                 {
843                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
844                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
845                 }
846         }
847
848         //if (sv_allowdownloads.integer)
849         // always send the info that the server supports the protocol, even if downloads are forbidden
850         // only because of that, the CSQC exception can work
851         {
852                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
853                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
854         }
855
856         // send at this time so it's guaranteed to get executed at the right time
857         {
858                 client_t *save;
859                 save = host_client;
860                 host_client = client;
861                 Curl_SendRequirements();
862                 host_client = save;
863         }
864
865         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
866         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
867         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
868
869         if (!coop.integer && deathmatch.integer)
870                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
871         else
872                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
873
874         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
875
876         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
877                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
878         MSG_WriteByte (&client->netconnection->message, 0);
879
880         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
881                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
882         MSG_WriteByte (&client->netconnection->message, 0);
883
884 // send music
885         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
886         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
887         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
888
889 // set view
890 // store this in clientcamera, too
891         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
892         MSG_WriteByte (&client->netconnection->message, svc_setview);
893         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
894
895         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
896         MSG_WriteByte (&client->netconnection->message, 1);
897
898         client->spawned = false;                // need prespawn, spawn, etc
899         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
900
901         // clear movement info until client enters the new level properly
902         memset(&client->cmd, 0, sizeof(client->cmd));
903         client->movesequence = 0;
904 #ifdef NUM_PING_TIMES
905         for (i = 0;i < NUM_PING_TIMES;i++)
906                 client->ping_times[i] = 0;
907         client->num_pings = 0;
908 #endif
909         client->ping = 0;
910
911         // allow the client some time to send his keepalives, even if map loading took ages
912         client->netconnection->timeout = realtime + net_connecttimeout.value;
913 }
914
915 /*
916 ================
917 SV_ConnectClient
918
919 Initializes a client_t for a new net connection.  This will only be called
920 once for a player each game, not once for each level change.
921 ================
922 */
923 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
924 {
925         client_t                *client;
926         int                             i;
927         float                   spawn_parms[NUM_SPAWN_PARMS];
928
929         client = svs.clients + clientnum;
930
931 // set up the client_t
932         if (sv.loadgame)
933                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
934         memset (client, 0, sizeof(*client));
935         client->active = true;
936         client->netconnection = netconnection;
937
938         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
939
940         strlcpy(client->name, "unconnected", sizeof(client->name));
941         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
942         client->spawned = false;
943         client->edict = PRVM_EDICT_NUM(clientnum+1);
944         if (client->netconnection)
945                 client->netconnection->message.allowoverflow = true;            // we can catch it
946         // prepare the unreliable message buffer
947         client->unreliablemsg.data = client->unreliablemsg_data;
948         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
949         // updated by receiving "rate" command from client, this is also the default if not using a DP client
950         client->rate = 1000000000;
951         // no limits for local player
952         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
953                 client->rate = 1000000000;
954         client->connecttime = realtime;
955
956         if (sv.loadgame)
957                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
958         else
959         {
960                 // call the progs to get default spawn parms for the new client
961                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
962                 prog->globals.server->self = 0;
963                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
964                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
965                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
966
967                 // set up the entity for this client (including .colormap, .team, etc)
968                 PRVM_ED_ClearEdict(client->edict);
969         }
970
971         // don't call SendServerinfo for a fresh botclient because its fields have
972         // not been set up by the qc yet
973         if (client->netconnection)
974                 SV_SendServerinfo (client);
975         else
976                 client->spawned = true;
977 }
978
979
980 /*
981 ===============================================================================
982
983 FRAME UPDATES
984
985 ===============================================================================
986 */
987
988 /*
989 =============================================================================
990
991 The PVS must include a small area around the client to allow head bobbing
992 or other small motion on the client side.  Otherwise, a bob might cause an
993 entity that should be visible to not show up, especially when the bob
994 crosses a waterline.
995
996 =============================================================================
997 */
998
999 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1000 {
1001         int i;
1002         unsigned int sendflags;
1003         unsigned int version;
1004         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1005         unsigned int customizeentityforclient;
1006         float f;
1007         vec3_t cullmins, cullmaxs;
1008         dp_model_t *model;
1009         prvm_eval_t *val, *val2;
1010
1011         // this 2 billion unit check is actually to detect NAN origins
1012         // (we really don't want to send those)
1013         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1014                 return false;
1015
1016         // EF_NODRAW prevents sending for any reason except for your own
1017         // client, so we must keep all clients in this superset
1018         effects = (unsigned)ent->fields.server->effects;
1019
1020         // we can omit invisible entities with no effects that are not clients
1021         // LordHavoc: this could kill tags attached to an invisible entity, I
1022         // just hope we never have to support that case
1023         i = (int)ent->fields.server->modelindex;
1024         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
1025
1026         flags = 0;
1027         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1028         glowsize = (unsigned char)bound(0, i, 255);
1029         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1030                 flags |= RENDER_GLOWTRAIL;
1031         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1032                 flags |= RENDER_VIEWMODEL;
1033
1034         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1035         light[0] = (unsigned short)bound(0, f, 65535);
1036         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1037         light[1] = (unsigned short)bound(0, f, 65535);
1038         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1039         light[2] = (unsigned short)bound(0, f, 65535);
1040         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1041         light[3] = (unsigned short)bound(0, f, 65535);
1042         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1043         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1044
1045         if (gamemode == GAME_TENEBRAE)
1046         {
1047                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1048                 if (effects & 16)
1049                 {
1050                         effects &= ~16;
1051                         lightpflags |= PFLAGS_FULLDYNAMIC;
1052                 }
1053                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1054                 if (effects & 32)
1055                 {
1056                         effects &= ~32;
1057                         light[0] = (int)(0.2*256);
1058                         light[1] = (int)(1.0*256);
1059                         light[2] = (int)(0.2*256);
1060                         light[3] = 200;
1061                         lightpflags |= PFLAGS_FULLDYNAMIC;
1062                 }
1063         }
1064
1065         specialvisibilityradius = 0;
1066         if (lightpflags & PFLAGS_FULLDYNAMIC)
1067                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1068         if (glowsize)
1069                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1070         if (flags & RENDER_GLOWTRAIL)
1071                 specialvisibilityradius = max(specialvisibilityradius, 100);
1072         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1073         {
1074                 if (effects & EF_BRIGHTFIELD)
1075                         specialvisibilityradius = max(specialvisibilityradius, 80);
1076                 if (effects & EF_MUZZLEFLASH)
1077                         specialvisibilityradius = max(specialvisibilityradius, 100);
1078                 if (effects & EF_BRIGHTLIGHT)
1079                         specialvisibilityradius = max(specialvisibilityradius, 400);
1080                 if (effects & EF_DIMLIGHT)
1081                         specialvisibilityradius = max(specialvisibilityradius, 200);
1082                 if (effects & EF_RED)
1083                         specialvisibilityradius = max(specialvisibilityradius, 200);
1084                 if (effects & EF_BLUE)
1085                         specialvisibilityradius = max(specialvisibilityradius, 200);
1086                 if (effects & EF_FLAME)
1087                         specialvisibilityradius = max(specialvisibilityradius, 250);
1088                 if (effects & EF_STARDUST)
1089                         specialvisibilityradius = max(specialvisibilityradius, 100);
1090         }
1091
1092         // early culling checks
1093         // (final culling is done by SV_MarkWriteEntityStateToClient)
1094         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1095         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1096                 return false;
1097
1098         *cs = defaultstate;
1099         cs->active = true;
1100         cs->number = enumber;
1101         VectorCopy(ent->fields.server->origin, cs->origin);
1102         VectorCopy(ent->fields.server->angles, cs->angles);
1103         cs->flags = flags;
1104         cs->effects = effects;
1105         cs->colormap = (unsigned)ent->fields.server->colormap;
1106         cs->modelindex = modelindex;
1107         cs->skin = (unsigned)ent->fields.server->skin;
1108         cs->frame = (unsigned)ent->fields.server->frame;
1109         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1110         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1111         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1112         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1113         cs->customizeentityforclient = customizeentityforclient;
1114         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1115         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1116         cs->glowsize = glowsize;
1117
1118         // don't need to init cs->colormod because the defaultstate did that for us
1119         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1120         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1121         if (val->vector[0] || val->vector[1] || val->vector[2])
1122         {
1123                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1124                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1125                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1126         }
1127
1128         cs->modelindex = modelindex;
1129
1130         cs->alpha = 255;
1131         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1132         if (f)
1133         {
1134                 i = (int)f;
1135                 cs->alpha = (unsigned char)bound(0, i, 255);
1136         }
1137         // halflife
1138         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1139         if (f)
1140         {
1141                 i = (int)f;
1142                 cs->alpha = (unsigned char)bound(0, i, 255);
1143         }
1144
1145         cs->scale = 16;
1146         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1147         if (f)
1148         {
1149                 i = (int)f;
1150                 cs->scale = (unsigned char)bound(0, i, 255);
1151         }
1152
1153         cs->glowcolor = 254;
1154         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1155         if (f)
1156                 cs->glowcolor = (int)f;
1157
1158         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1159                 cs->effects |= EF_FULLBRIGHT;
1160
1161         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1162         if (val && val->_float)
1163                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1164
1165         if (ent->fields.server->movetype == MOVETYPE_STEP)
1166                 cs->flags |= RENDER_STEP;
1167         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)
1168                 cs->flags |= RENDER_LOWPRECISION;
1169         if (ent->fields.server->colormap >= 1024)
1170                 cs->flags |= RENDER_COLORMAPPED;
1171         if (cs->viewmodelforclient)
1172                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1173
1174         cs->light[0] = light[0];
1175         cs->light[1] = light[1];
1176         cs->light[2] = light[2];
1177         cs->light[3] = light[3];
1178         cs->lightstyle = lightstyle;
1179         cs->lightpflags = lightpflags;
1180
1181         cs->specialvisibilityradius = specialvisibilityradius;
1182
1183         // calculate the visible box of this entity (don't use the physics box
1184         // as that is often smaller than a model, and would not count
1185         // specialvisibilityradius)
1186         if ((model = sv.models[modelindex]) && (model->type != mod_null))
1187         {
1188                 float scale = cs->scale * (1.0f / 16.0f);
1189                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1190                 {
1191                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1192                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1193                 }
1194                 else if (cs->angles[1])
1195                 {
1196                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1197                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1198                 }
1199                 else
1200                 {
1201                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1202                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1203                 }
1204         }
1205         else
1206         {
1207                 // if there is no model (or it could not be loaded), use the physics box
1208                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1209                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1210         }
1211         if (specialvisibilityradius)
1212         {
1213                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1214                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1215                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1216                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1217                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1218                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1219         }
1220
1221         // calculate center of bbox for network prioritization purposes
1222         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1223
1224         // if culling box has moved, update pvs cluster links
1225         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1226         {
1227                 VectorCopy(cullmins, ent->priv.server->cullmins);
1228                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1229                 // a value of -1 for pvs_numclusters indicates that the links are not
1230                 // cached, and should be re-tested each time, this is the case if the
1231                 // culling box touches too many pvs clusters to store, or if the world
1232                 // model does not support FindBoxClusters
1233                 ent->priv.server->pvs_numclusters = -1;
1234                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1235                 {
1236                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1237                         if (i <= MAX_ENTITYCLUSTERS)
1238                                 ent->priv.server->pvs_numclusters = i;
1239                 }
1240         }
1241
1242         // we need to do some csqc entity upkeep here
1243         // get self.SendFlags and clear them
1244         // (to let the QC know that they've been read)
1245         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity);
1246         if (val->function)
1247         {
1248                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1249                 sendflags = (unsigned int)val->_float;
1250                 val->_float = 0;
1251                 // legacy self.Version system
1252                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1253                 if (val2->_float)
1254                 {
1255                         version = (unsigned int)val2->_float;
1256                         if (sv.csqcentityversion[enumber] != version)
1257                                 sendflags = 0xFFFFFF;
1258                         sv.csqcentityversion[enumber] = version;
1259                 }
1260                 // move sendflags into the per-client sendflags
1261                 if (sendflags)
1262                         for (i = 0;i < svs.maxclients;i++)
1263                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1264         }
1265
1266         return true;
1267 }
1268
1269 void SV_PrepareEntitiesForSending(void)
1270 {
1271         int e;
1272         prvm_edict_t *ent;
1273         // send all entities that touch the pvs
1274         sv.numsendentities = 0;
1275         sv.sendentitiesindex[0] = NULL;
1276         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1277         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1278         {
1279                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1280                 {
1281                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1282                         sv.numsendentities++;
1283                 }
1284         }
1285 }
1286
1287 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1288 {
1289         int isbmodel;
1290         dp_model_t *model;
1291         prvm_edict_t *ed;
1292         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1293                 return;
1294         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1295         sv.writeentitiestoclient_stats_totalentities++;
1296
1297         if (s->customizeentityforclient)
1298         {
1299                 prog->globals.server->self = s->number;
1300                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1301                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1302                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1303                         return;
1304         }
1305
1306         // never reject player
1307         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1308         {
1309                 // check various rejection conditions
1310                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1311                         return;
1312                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1313                         return;
1314                 if (s->effects & EF_NODRAW)
1315                         return;
1316                 // LordHavoc: only send entities with a model or important effects
1317                 if (!s->modelindex && s->specialvisibilityradius == 0)
1318                         return;
1319
1320                 isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*';
1321                 // viewmodels don't have visibility checking
1322                 if (s->viewmodelforclient)
1323                 {
1324                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1325                                 return;
1326                 }
1327                 else if (s->tagentity)
1328                 {
1329                         // tag attached entities simply check their parent
1330                         if (!sv.sendentitiesindex[s->tagentity])
1331                                 return;
1332                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1333                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1334                                 return;
1335                 }
1336                 // always send world submodels in newer protocols because they don't
1337                 // generate much traffic (in old protocols they hog bandwidth)
1338                 // but only if sv_cullentities_nevercullbmodels is off
1339                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1340                 {
1341                         // entity has survived every check so far, check if visible
1342                         ed = PRVM_EDICT_NUM(s->number);
1343
1344                         // if not touching a visible leaf
1345                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1346                         {
1347                                 if (ed->priv.server->pvs_numclusters < 0)
1348                                 {
1349                                         // entity too big for clusters list
1350                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1351                                         {
1352                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1353                                                 return;
1354                                         }
1355                                 }
1356                                 else
1357                                 {
1358                                         int i;
1359                                         // check cached clusters list
1360                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1361                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1362                                                         break;
1363                                         if (i == ed->priv.server->pvs_numclusters)
1364                                         {
1365                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1366                                                 return;
1367                                         }
1368                                 }
1369                         }
1370
1371                         // or not seen by random tracelines
1372                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1373                         {
1374                                 int samples =
1375                                         s->number <= svs.maxclients
1376                                                 ? sv_cullentities_trace_samples_players.integer
1377                                                 :
1378                                         s->specialvisibilityradius
1379                                                 ? sv_cullentities_trace_samples_extra.integer
1380                                                 : sv_cullentities_trace_samples.integer;
1381                                 float enlarge = sv_cullentities_trace_enlarge.value;
1382
1383                                 qboolean visible = TRUE;
1384
1385                                 if(samples > 0)
1386                                 {
1387                                         do
1388                                         {
1389                                                 if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, sv.writeentitiestoclient_testeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1390                                                         break; // directly visible from the server's view
1391
1392                                                 if(sv_cullentities_trace_prediction.integer)
1393                                                 {
1394                                                         vec3_t predeye;
1395
1396                                                         // get player velocity
1397                                                         float predtime = bound(0, host_client->ping, 0.2); // / 2
1398                                                                 // sorry, no wallhacking by high ping please, and at 200ms
1399                                                                 // ping a FPS is annoying to play anyway and a player is
1400                                                                 // likely to have changed his direction
1401                                                         VectorMA(sv.writeentitiestoclient_testeye, predtime, host_client->edict->fields.server->velocity, predeye);
1402                                                         if(sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, sv.writeentitiestoclient_testeye, predeye)) // must be able to go there...
1403                                                         {
1404                                                                 if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, predeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1405                                                                         break; // directly visible from the predicted view
1406                                                         }
1407                                                         else
1408                                                         {
1409                                                                 //Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1410                                                         }
1411                                                 }
1412
1413                                                 // when we get here, we can't see the entity
1414                                                 visible = false;
1415                                         }
1416                                         while(0);
1417
1418                                         if(visible)
1419                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1420                                                         realtime + (
1421                                                                 s->number <= svs.maxclients
1422                                                                         ? sv_cullentities_trace_delay_players.value
1423                                                                         : sv_cullentities_trace_delay.value
1424                                                         );
1425                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1426                                         {
1427                                                 sv.writeentitiestoclient_stats_culled_trace++;
1428                                                 return;
1429                                         }
1430                                 }
1431                         }
1432                 }
1433         }
1434
1435         // this just marks it for sending
1436         // FIXME: it would be more efficient to send here, but the entity
1437         // compressor isn't that flexible
1438         sv.writeentitiestoclient_stats_visibleentities++;
1439         sv.sententities[s->number] = sv.sententitiesmark;
1440 }
1441
1442 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1443 {
1444         qboolean need_empty = false;
1445         int i, numsendstates;
1446         entity_state_t *s;
1447         prvm_edict_t *camera;
1448         qboolean success;
1449
1450         // if there isn't enough space to accomplish anything, skip it
1451         if (msg->cursize + 25 > maxsize)
1452                 return;
1453
1454         sv.writeentitiestoclient_msg = msg;
1455         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1456
1457         sv.writeentitiestoclient_stats_culled_pvs = 0;
1458         sv.writeentitiestoclient_stats_culled_trace = 0;
1459         sv.writeentitiestoclient_stats_visibleentities = 0;
1460         sv.writeentitiestoclient_stats_totalentities = 0;
1461
1462 // find the client's PVS
1463         // the real place being tested from
1464         camera = PRVM_EDICT_NUM( client->clientcamera );
1465         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, sv.writeentitiestoclient_testeye);
1466         sv.writeentitiestoclient_pvsbytes = 0;
1467         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1468                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv.writeentitiestoclient_testeye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), false);
1469
1470         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1471
1472         sv.sententitiesmark++;
1473
1474         for (i = 0;i < sv.numsendentities;i++)
1475                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1476
1477         numsendstates = 0;
1478         for (i = 0;i < sv.numsendentities;i++)
1479         {
1480                 if (sv.sententities[sv.sendentities[i].number] == sv.sententitiesmark)
1481                 {
1482                         s = &sv.writeentitiestoclient_sendstates[numsendstates++];
1483                         *s = sv.sendentities[i];
1484                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1485                                 s->flags |= RENDER_EXTERIORMODEL;
1486                 }
1487         }
1488
1489         if (sv_cullentities_stats.integer)
1490                 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);
1491
1492         if(client->entitydatabase5)
1493                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates, client->entitydatabase5->latestframenum + 1);
1494         else
1495                 EntityFrameCSQC_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates, 0);
1496
1497         if(client->num_skippedentityframes >= 10)
1498                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1499
1500         if (client->entitydatabase5)
1501                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1502         else if (client->entitydatabase4)
1503         {
1504                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1505                 Protocol_WriteStatsReliable();
1506         }
1507         else if (client->entitydatabase)
1508         {
1509                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1510                 Protocol_WriteStatsReliable();
1511         }
1512         else
1513         {
1514                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1515                 Protocol_WriteStatsReliable();
1516         }
1517
1518         if(success)
1519                 client->num_skippedentityframes = 0;
1520         else
1521                 ++client->num_skippedentityframes;
1522 }
1523
1524 /*
1525 =============
1526 SV_CleanupEnts
1527
1528 =============
1529 */
1530 static void SV_CleanupEnts (void)
1531 {
1532         int             e;
1533         prvm_edict_t    *ent;
1534
1535         ent = PRVM_NEXT_EDICT(prog->edicts);
1536         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1537                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1538 }
1539
1540 /*
1541 ==================
1542 SV_WriteClientdataToMessage
1543
1544 ==================
1545 */
1546 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1547 {
1548         int             bits;
1549         int             i;
1550         prvm_edict_t    *other;
1551         int             items;
1552         prvm_eval_t     *val;
1553         vec3_t  punchvector;
1554         int             viewzoom;
1555         const char *s;
1556         float   *statsf = (float *)stats;
1557
1558 //
1559 // send a damage message
1560 //
1561         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1562         {
1563                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1564                 MSG_WriteByte (msg, svc_damage);
1565                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1566                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1567                 for (i=0 ; i<3 ; i++)
1568                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1569
1570                 ent->fields.server->dmg_take = 0;
1571                 ent->fields.server->dmg_save = 0;
1572         }
1573
1574 //
1575 // send the current viewpos offset from the view entity
1576 //
1577         SV_SetIdealPitch ();            // how much to look up / down ideally
1578
1579 // a fixangle might get lost in a dropped packet.  Oh well.
1580         if(ent->fields.server->fixangle)
1581         {
1582                 // angle fixing was requested by global thinking code...
1583                 // so store the current angles for later use
1584                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1585                 host_client->fixangle_angles_set = TRUE;
1586
1587                 // and clear fixangle for the next frame
1588                 ent->fields.server->fixangle = 0;
1589         }
1590
1591         if (host_client->fixangle_angles_set)
1592         {
1593                 MSG_WriteByte (msg, svc_setangle);
1594                 for (i=0 ; i < 3 ; i++)
1595                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1596                 host_client->fixangle_angles_set = FALSE;
1597         }
1598
1599         // stuff the sigil bits into the high bits of items for sbar, or else
1600         // mix in items2
1601         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1602         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1603                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1604         else
1605                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1606
1607         VectorClear(punchvector);
1608         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1609                 VectorCopy(val->vector, punchvector);
1610
1611         // cache weapon model name and index in client struct to save time
1612         // (this search can be almost 1% of cpu time!)
1613         s = PRVM_GetString(ent->fields.server->weaponmodel);
1614         if (strcmp(s, client->weaponmodel))
1615         {
1616                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1617                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1618         }
1619
1620         viewzoom = 255;
1621         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1622                 viewzoom = (int)(val->_float * 255.0f);
1623         if (viewzoom == 0)
1624                 viewzoom = 255;
1625
1626         bits = 0;
1627
1628         if ((int)ent->fields.server->flags & FL_ONGROUND)
1629                 bits |= SU_ONGROUND;
1630         if (ent->fields.server->waterlevel >= 2)
1631                 bits |= SU_INWATER;
1632         if (ent->fields.server->idealpitch)
1633                 bits |= SU_IDEALPITCH;
1634
1635         for (i=0 ; i<3 ; i++)
1636         {
1637                 if (ent->fields.server->punchangle[i])
1638                         bits |= (SU_PUNCH1<<i);
1639                 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)
1640                         if (punchvector[i])
1641                                 bits |= (SU_PUNCHVEC1<<i);
1642                 if (ent->fields.server->velocity[i])
1643                         bits |= (SU_VELOCITY1<<i);
1644         }
1645
1646         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1647         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1648         stats[STAT_ITEMS] = items;
1649         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1650         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1651         stats[STAT_WEAPON] = client->weaponmodelindex;
1652         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1653         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1654         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1655         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1656         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1657         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1658         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1659         stats[STAT_VIEWZOOM] = viewzoom;
1660         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1661         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1662         // the QC bumps these itself by sending svc_'s, so we have to keep them
1663         // zero or they'll be corrected by the engine
1664         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1665         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1666
1667         // movement settings for prediction
1668         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1669         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1670         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1671         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1672         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1673         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1674         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1675         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1676         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1677         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1678         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1679         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1680         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1681         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1682         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1683         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1684         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1685         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1686         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1687         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1688         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1689         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1690         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1691         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1692         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1693         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1694         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1695         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1696         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1697         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1698         statsf[STAT_TIMELIMIT] = timelimit.value;
1699
1700         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)
1701         {
1702                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1703                 bits |= SU_ITEMS;
1704                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1705                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1706                 bits |= SU_WEAPON;
1707                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1708                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1709                         if (viewzoom != 255)
1710                                 bits |= SU_VIEWZOOM;
1711         }
1712
1713         if (bits >= 65536)
1714                 bits |= SU_EXTEND1;
1715         if (bits >= 16777216)
1716                 bits |= SU_EXTEND2;
1717
1718         // send the data
1719         MSG_WriteByte (msg, svc_clientdata);
1720         MSG_WriteShort (msg, bits);
1721         if (bits & SU_EXTEND1)
1722                 MSG_WriteByte(msg, bits >> 16);
1723         if (bits & SU_EXTEND2)
1724                 MSG_WriteByte(msg, bits >> 24);
1725
1726         if (bits & SU_VIEWHEIGHT)
1727                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1728
1729         if (bits & SU_IDEALPITCH)
1730                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1731
1732         for (i=0 ; i<3 ; i++)
1733         {
1734                 if (bits & (SU_PUNCH1<<i))
1735                 {
1736                         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)
1737                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1738                         else
1739                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1740                 }
1741                 if (bits & (SU_PUNCHVEC1<<i))
1742                 {
1743                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1744                                 MSG_WriteCoord16i(msg, punchvector[i]);
1745                         else
1746                                 MSG_WriteCoord32f(msg, punchvector[i]);
1747                 }
1748                 if (bits & (SU_VELOCITY1<<i))
1749                 {
1750                         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)
1751                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1752                         else
1753                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1754                 }
1755         }
1756
1757         if (bits & SU_ITEMS)
1758                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1759
1760         if (sv.protocol == PROTOCOL_DARKPLACES5)
1761         {
1762                 if (bits & SU_WEAPONFRAME)
1763                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1764                 if (bits & SU_ARMOR)
1765                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1766                 if (bits & SU_WEAPON)
1767                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1768                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1769                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1770                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1771                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1772                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1773                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1774                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1775                 if (bits & SU_VIEWZOOM)
1776                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1777         }
1778         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)
1779         {
1780                 if (bits & SU_WEAPONFRAME)
1781                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1782                 if (bits & SU_ARMOR)
1783                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1784                 if (bits & SU_WEAPON)
1785                 {
1786                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1787                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
1788                         else
1789                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1790                 }
1791                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1792                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1793                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1794                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1795                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1796                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1797                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1798                 {
1799                         for (i = 0;i < 32;i++)
1800                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
1801                                         break;
1802                         MSG_WriteByte (msg, i);
1803                 }
1804                 else
1805                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
1806                 if (bits & SU_VIEWZOOM)
1807                 {
1808                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1809                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1810                         else
1811                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1812                 }
1813         }
1814 }
1815
1816 void SV_FlushBroadcastMessages(void)
1817 {
1818         int i;
1819         client_t *client;
1820         if (sv.datagram.cursize <= 0)
1821                 return;
1822         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
1823         {
1824                 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])))
1825                         continue;
1826                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
1827                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
1828         }
1829         SZ_Clear(&sv.datagram);
1830 }
1831
1832 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize, int maxsize2)
1833 {
1834         // scan the splitpoints to find out how many we can fit in
1835         int numsegments, j, split;
1836         if (!client->unreliablemsg_splitpoints)
1837                 return;
1838         // always accept the first one if it's within 1024 bytes, this ensures
1839         // that very big datagrams which are over the rate limit still get
1840         // through, just to keep it working
1841         for (numsegments = 1;numsegments < client->unreliablemsg_splitpoints;numsegments++)
1842                 if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
1843                         break;
1844         // the first segment gets an exemption from the rate limiting, otherwise
1845         // it could get dropped consistently due to a low rate limit
1846         if (numsegments == 1)
1847                 maxsize = maxsize2;
1848         // some will fit, so add the ones that will fit
1849         split = client->unreliablemsg_splitpoint[numsegments-1];
1850         // note this discards ones that were accepted by the segments scan but
1851         // can not fit, such as a really huge first one that will never ever
1852         // fit in a packet...
1853         if (msg->cursize + split <= maxsize)
1854                 SZ_Write(msg, client->unreliablemsg.data, split);
1855         // remove the part we sent, keeping any remaining data
1856         client->unreliablemsg.cursize -= split;
1857         if (client->unreliablemsg.cursize > 0)
1858                 memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
1859         // adjust remaining splitpoints
1860         client->unreliablemsg_splitpoints -= numsegments;
1861         for (j = 0;j < client->unreliablemsg_splitpoints;j++)
1862                 client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
1863 }
1864
1865 /*
1866 =======================
1867 SV_SendClientDatagram
1868 =======================
1869 */
1870 static void SV_SendClientDatagram (client_t *client)
1871 {
1872         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
1873         sizebuf_t msg;
1874         int stats[MAX_CL_STATS];
1875         unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
1876
1877         // obey rate limit by limiting packet frequency if the packet size
1878         // limiting fails
1879         // (usually this is caused by reliable messages)
1880         if (!NetConn_CanSend(client->netconnection))
1881                 return;
1882
1883         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
1884         maxrate = max(NET_MINRATE, sv_maxrate.integer);
1885         if (sv_maxrate.integer != maxrate)
1886                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
1887
1888         // clientrate determines the 'cleartime' of a packet
1889         // (how long to wait before sending another, based on this packet's size)
1890         clientrate = bound(NET_MINRATE, client->rate, maxrate);
1891
1892         switch (sv.protocol)
1893         {
1894         case PROTOCOL_QUAKE:
1895         case PROTOCOL_QUAKEDP:
1896         case PROTOCOL_NEHAHRAMOVIE:
1897         case PROTOCOL_NEHAHRABJP:
1898         case PROTOCOL_NEHAHRABJP2:
1899         case PROTOCOL_NEHAHRABJP3:
1900         case PROTOCOL_QUAKEWORLD:
1901                 // no packet size limit support on Quake protocols because it just
1902                 // causes missing entities/effects
1903                 // packets are simply sent less often to obey the rate limit
1904                 maxsize = 1024;
1905                 maxsize2 = 1024;
1906                 break;
1907         case PROTOCOL_DARKPLACES1:
1908         case PROTOCOL_DARKPLACES2:
1909         case PROTOCOL_DARKPLACES3:
1910         case PROTOCOL_DARKPLACES4:
1911                 // no packet size limit support on DP1-4 protocols because they kick
1912                 // the client off if they overflow, and miss effects
1913                 // packets are simply sent less often to obey the rate limit
1914                 maxsize = sizeof(sv_sendclientdatagram_buf);
1915                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1916                 break;
1917         default:
1918                 // DP5 and later protocols support packet size limiting which is a
1919                 // better method than limiting packet frequency as QW does
1920                 //
1921                 // at very low rates (or very small sys_ticrate) the packet size is
1922                 // not reduced below 128, but packets may be sent less often
1923                 maxsize = (int)(clientrate * sys_ticrate.value);
1924                 maxsize = bound(128, maxsize, 1400);
1925                 maxsize2 = 1400;
1926                 // csqc entities can easily exceed 128 bytes, so disable throttling in
1927                 // mods that use csqc (they are likely to use less bandwidth anyway)
1928                 if (sv.csqc_progsize > 0)
1929                         maxsize = maxsize2;
1930                 break;
1931         }
1932
1933         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1934         {
1935                 // for good singleplayer, send huge packets
1936                 maxsize = sizeof(sv_sendclientdatagram_buf);
1937                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1938                 // never limit frequency in singleplayer
1939                 clientrate = 1000000000;
1940         }
1941
1942         // while downloading, limit entity updates to half the packet
1943         // (any leftover space will be used for downloading)
1944         if (host_client->download_file)
1945                 maxsize /= 2;
1946
1947         msg.data = sv_sendclientdatagram_buf;
1948         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1949         msg.cursize = 0;
1950         msg.allowoverflow = false;
1951
1952         if (host_client->spawned)
1953         {
1954                 // the player is in the game
1955                 MSG_WriteByte (&msg, svc_time);
1956                 MSG_WriteFloat (&msg, sv.time);
1957
1958                 // add the client specific data to the datagram
1959                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1960                 // now update the stats[] array using any registered custom fields
1961                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
1962                 // set host_client->statsdeltabits
1963                 Protocol_UpdateClientStats (stats);
1964
1965                 // add as many queued unreliable messages (effects) as we can fit
1966                 // limit effects to half of the remaining space
1967                 if (client->unreliablemsg.cursize)
1968                         SV_WriteUnreliableMessages (client, &msg, maxsize/2, maxsize2);
1969
1970                 // now write as many entities as we can fit, and also sends stats
1971                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
1972         }
1973         else if (realtime > client->keepalivetime)
1974         {
1975                 // the player isn't totally in the game yet
1976                 // send small keepalive messages if too much time has passed
1977                 // (may also be sending downloads)
1978                 client->keepalivetime = realtime + 5;
1979                 MSG_WriteChar (&msg, svc_nop);
1980         }
1981
1982         // if a download is active, see if there is room to fit some download data
1983         // in this packet
1984         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
1985         if (host_client->download_file && host_client->download_started && downloadsize > 0)
1986         {
1987                 fs_offset_t downloadstart;
1988                 unsigned char data[1400];
1989                 downloadstart = FS_Tell(host_client->download_file);
1990                 downloadsize = min(downloadsize, (int)sizeof(data));
1991                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
1992                 // note this sends empty messages if at the end of the file, which is
1993                 // necessary to keep the packet loss logic working
1994                 // (the last blocks may be lost and need to be re-sent, and that will
1995                 //  only occur if the client acks the empty end messages, revealing
1996                 //  a gap in the download progress, causing the last blocks to be
1997                 //  sent again)
1998                 MSG_WriteChar (&msg, svc_downloaddata);
1999                 MSG_WriteLong (&msg, downloadstart);
2000                 MSG_WriteShort (&msg, downloadsize);
2001                 if (downloadsize > 0)
2002                         SZ_Write (&msg, data, downloadsize);
2003         }
2004
2005         // reliable only if none is in progress
2006         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2007                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2008         // unreliable
2009         SV_WriteDemoMessage(client, &msg, false);
2010
2011 // send the datagram
2012         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2013         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2014                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2015 }
2016
2017 /*
2018 =======================
2019 SV_UpdateToReliableMessages
2020 =======================
2021 */
2022 static void SV_UpdateToReliableMessages (void)
2023 {
2024         int i, j;
2025         client_t *client;
2026         prvm_eval_t *val;
2027         const char *name;
2028         const char *model;
2029         const char *skin;
2030
2031 // check for changes to be sent over the reliable streams
2032         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2033         {
2034                 // update the host_client fields we care about according to the entity fields
2035                 host_client->edict = PRVM_EDICT_NUM(i+1);
2036
2037                 // DP_SV_CLIENTNAME
2038                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2039                 if (name == NULL)
2040                         name = "";
2041                 // always point the string back at host_client->name to keep it safe
2042                 strlcpy (host_client->name, name, sizeof (host_client->name));
2043                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2044                 if (strcmp(host_client->old_name, host_client->name))
2045                 {
2046                         if (host_client->spawned)
2047                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2048                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2049                         // send notification to all clients
2050                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2051                         MSG_WriteByte (&sv.reliable_datagram, i);
2052                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2053                         SV_WriteNetnameIntoDemo(host_client);
2054                 }
2055
2056                 // DP_SV_CLIENTCOLORS
2057                 // this is always found (since it's added by the progs loader)
2058                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2059                         host_client->colors = (int)val->_float;
2060                 if (host_client->old_colors != host_client->colors)
2061                 {
2062                         host_client->old_colors = host_client->colors;
2063                         // send notification to all clients
2064                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2065                         MSG_WriteByte (&sv.reliable_datagram, i);
2066                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2067                 }
2068
2069                 // NEXUIZ_PLAYERMODEL
2070                 if( prog->fieldoffsets.playermodel >= 0 ) {
2071                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2072                         if (model == NULL)
2073                                 model = "";
2074                         // always point the string back at host_client->name to keep it safe
2075                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2076                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2077                 }
2078
2079                 // NEXUIZ_PLAYERSKIN
2080                 if( prog->fieldoffsets.playerskin >= 0 ) {
2081                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2082                         if (skin == NULL)
2083                                 skin = "";
2084                         // always point the string back at host_client->name to keep it safe
2085                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2086                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2087                 }
2088
2089                 // TODO: add an extension name for this [1/17/2008 Black]
2090                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2091                         int oldclientcamera = host_client->clientcamera;
2092                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2093                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2094                         } else {
2095                                 host_client->clientcamera = val->edict;
2096                         }
2097
2098                         if( oldclientcamera != host_client->clientcamera ) {
2099                                 MSG_WriteByte (&sv.reliable_datagram, svc_setview );
2100                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2101                         }
2102                 }
2103
2104                 // frags
2105                 host_client->frags = (int)host_client->edict->fields.server->frags;
2106                 if(gamemode == GAME_NEXUIZ)
2107                         if(!host_client->spawned && host_client->netconnection)
2108                                 host_client->frags = -666;
2109                 if (host_client->old_frags != host_client->frags)
2110                 {
2111                         host_client->old_frags = host_client->frags;
2112                         // send notification to all clients
2113                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2114                         MSG_WriteByte (&sv.reliable_datagram, i);
2115                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2116                 }
2117         }
2118
2119         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2120                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2121                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2122
2123         SZ_Clear (&sv.reliable_datagram);
2124 }
2125
2126
2127 /*
2128 =======================
2129 SV_SendClientMessages
2130 =======================
2131 */
2132 void SV_SendClientMessages (void)
2133 {
2134         int i, prepared = false;
2135
2136         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2137                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2138
2139         SV_FlushBroadcastMessages();
2140
2141 // update frags, names, etc
2142         SV_UpdateToReliableMessages();
2143
2144 // build individual updates
2145         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2146         {
2147                 if (!host_client->active)
2148                         continue;
2149                 if (!host_client->netconnection)
2150                         continue;
2151
2152                 if (host_client->netconnection->message.overflowed)
2153                 {
2154                         SV_DropClient (true);   // if the message couldn't send, kick off
2155                         continue;
2156                 }
2157
2158                 if (!prepared)
2159                 {
2160                         prepared = true;
2161                         // only prepare entities once per frame
2162                         SV_PrepareEntitiesForSending();
2163                 }
2164                 SV_SendClientDatagram (host_client);
2165         }
2166
2167 // clear muzzle flashes
2168         SV_CleanupEnts();
2169 }
2170
2171 static void SV_StartDownload_f(void)
2172 {
2173         if (host_client->download_file)
2174                 host_client->download_started = true;
2175 }
2176
2177 /*
2178  * Compression extension negotiation:
2179  *
2180  * Server to client:
2181  *   cl_serverextension_download 2
2182  *
2183  * Client to server:
2184  *   download <filename> <list of zero or more suppported compressions in order of preference>
2185  * e.g.
2186  *   download maps/map1.bsp lzo deflate huffman
2187  *
2188  * Server to client:
2189  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2190  * e.g.
2191  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2192  *
2193  * The server may choose not to compress the file by sending no compression name, like:
2194  *   cl_downloadbegin 345678 maps/map1.bsp
2195  *
2196  * NOTE: the "download" command may only specify compression algorithms if
2197  *       cl_serverextension_download is 2!
2198  *       If cl_serverextension_download has a different value, the client must
2199  *       assume this extension is not supported!
2200  */
2201
2202 static void Download_CheckExtensions(void)
2203 {
2204         int i;
2205         int argc = Cmd_Argc();
2206
2207         // first reset them all
2208         host_client->download_deflate = false;
2209         
2210         for(i = 2; i < argc; ++i)
2211         {
2212                 if(!strcmp(Cmd_Argv(i), "deflate"))
2213                 {
2214                         host_client->download_deflate = true;
2215                         break;
2216                 }
2217         }
2218 }
2219
2220 static void SV_Download_f(void)
2221 {
2222         const char *whichpack, *whichpack2, *extension;
2223         qboolean is_csqc; // so we need to check only once
2224
2225         if (Cmd_Argc() < 2)
2226         {
2227                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2228                 SV_ClientPrintf("       supported extensions: deflate\n");
2229                 return;
2230         }
2231
2232         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2233         {
2234                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2235                 return;
2236         }
2237
2238         if (host_client->download_file)
2239         {
2240                 // at this point we'll assume the previous download should be aborted
2241                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2242                 Host_ClientCommands("\nstopdownload\n");
2243
2244                 // close the file and reset variables
2245                 FS_Close(host_client->download_file);
2246                 host_client->download_file = NULL;
2247                 host_client->download_name[0] = 0;
2248                 host_client->download_expectedposition = 0;
2249                 host_client->download_started = false;
2250         }
2251
2252         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2253         
2254         if (!sv_allowdownloads.integer && !is_csqc)
2255         {
2256                 SV_ClientPrintf("Downloads are disabled on this server\n");
2257                 Host_ClientCommands("\nstopdownload\n");
2258                 return;
2259         }
2260
2261         Download_CheckExtensions();
2262
2263         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2264         extension = FS_FileExtension(host_client->download_name);
2265
2266         // host_client is asking to download a specified file
2267         if (developer.integer >= 100)
2268                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2269
2270         if(is_csqc)
2271         {
2272                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2273                 extensions[0] = '\0';
2274                 
2275                 if(host_client->download_deflate)
2276                         strlcat(extensions, " deflate", sizeof(extensions));
2277                 
2278                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2279
2280                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2281                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2282                 else
2283                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2284                 
2285                 // no, no space is needed between %s and %s :P
2286                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2287
2288                 host_client->download_expectedposition = 0;
2289                 host_client->download_started = false;
2290                 host_client->sendsignon = true; // make sure this message is sent
2291                 return;
2292         }
2293
2294         if (!FS_FileExists(host_client->download_name))
2295         {
2296                 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);
2297                 Host_ClientCommands("\nstopdownload\n");
2298                 return;
2299         }
2300
2301         // check if the user is trying to download part of registered Quake(r)
2302         whichpack = FS_WhichPack(host_client->download_name);
2303         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2304         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2305         {
2306                 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);
2307                 Host_ClientCommands("\nstopdownload\n");
2308                 return;
2309         }
2310
2311         // check if the server has forbidden archive downloads entirely
2312         if (!sv_allowdownloads_inarchive.integer)
2313         {
2314                 whichpack = FS_WhichPack(host_client->download_name);
2315                 if (whichpack)
2316                 {
2317                         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);
2318                         Host_ClientCommands("\nstopdownload\n");
2319                         return;
2320                 }
2321         }
2322
2323         if (!sv_allowdownloads_config.integer)
2324         {
2325                 if (!strcasecmp(extension, "cfg"))
2326                 {
2327                         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);
2328                         Host_ClientCommands("\nstopdownload\n");
2329                         return;
2330                 }
2331         }
2332
2333         if (!sv_allowdownloads_dlcache.integer)
2334         {
2335                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2336                 {
2337                         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);
2338                         Host_ClientCommands("\nstopdownload\n");
2339                         return;
2340                 }
2341         }
2342
2343         if (!sv_allowdownloads_archive.integer)
2344         {
2345                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2346                 {
2347                         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);
2348                         Host_ClientCommands("\nstopdownload\n");
2349                         return;
2350                 }
2351         }
2352
2353         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2354         if (!host_client->download_file)
2355         {
2356                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2357                 Host_ClientCommands("\nstopdownload\n");
2358                 return;
2359         }
2360
2361         if (FS_FileSize(host_client->download_file) > 1<<30)
2362         {
2363                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2364                 Host_ClientCommands("\nstopdownload\n");
2365                 FS_Close(host_client->download_file);
2366                 host_client->download_file = NULL;
2367                 return;
2368         }
2369
2370         if (FS_FileSize(host_client->download_file) < 0)
2371         {
2372                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2373                 Host_ClientCommands("\nstopdownload\n");
2374                 FS_Close(host_client->download_file);
2375                 host_client->download_file = NULL;
2376                 return;
2377         }
2378
2379         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2380
2381         /*
2382          * we can only do this if we would actually deflate on the fly
2383          * which we do not (yet)!
2384         {
2385                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2386                 extensions[0] = '\0';
2387                 
2388                 if(host_client->download_deflate)
2389                         strlcat(extensions, " deflate", sizeof(extensions));
2390
2391                 // no, no space is needed between %s and %s :P
2392                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2393         }
2394         */
2395         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2396
2397         host_client->download_expectedposition = 0;
2398         host_client->download_started = false;
2399         host_client->sendsignon = true; // make sure this message is sent
2400
2401         // the rest of the download process is handled in SV_SendClientDatagram
2402         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2403         //
2404         // no svc_downloaddata messages will be sent until sv_startdownload is
2405         // sent by the client
2406 }
2407
2408 /*
2409 ==============================================================================
2410
2411 SERVER SPAWNING
2412
2413 ==============================================================================
2414 */
2415
2416 /*
2417 ================
2418 SV_ModelIndex
2419
2420 ================
2421 */
2422 int SV_ModelIndex(const char *s, int precachemode)
2423 {
2424         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);
2425         char filename[MAX_QPATH];
2426         if (!s || !*s)
2427                 return 0;
2428         // testing
2429         //if (precachemode == 2)
2430         //      return 0;
2431         strlcpy(filename, s, sizeof(filename));
2432         for (i = 2;i < limit;i++)
2433         {
2434                 if (!sv.model_precache[i][0])
2435                 {
2436                         if (precachemode)
2437                         {
2438                                 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))
2439                                 {
2440                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2441                                         return 0;
2442                                 }
2443                                 if (precachemode == 1)
2444                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2445                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2446                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.modelname : NULL);
2447                                 if (sv.state != ss_loading)
2448                                 {
2449                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2450                                         MSG_WriteShort(&sv.reliable_datagram, i);
2451                                         MSG_WriteString(&sv.reliable_datagram, filename);
2452                                 }
2453                                 return i;
2454                         }
2455                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2456                         return 0;
2457                 }
2458                 if (!strcmp(sv.model_precache[i], filename))
2459                         return i;
2460         }
2461         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2462         return 0;
2463 }
2464
2465 /*
2466 ================
2467 SV_SoundIndex
2468
2469 ================
2470 */
2471 int SV_SoundIndex(const char *s, int precachemode)
2472 {
2473         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);
2474         char filename[MAX_QPATH];
2475         if (!s || !*s)
2476                 return 0;
2477         // testing
2478         //if (precachemode == 2)
2479         //      return 0;
2480         strlcpy(filename, s, sizeof(filename));
2481         for (i = 1;i < limit;i++)
2482         {
2483                 if (!sv.sound_precache[i][0])
2484                 {
2485                         if (precachemode)
2486                         {
2487                                 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))
2488                                 {
2489                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2490                                         return 0;
2491                                 }
2492                                 if (precachemode == 1)
2493                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2494                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2495                                 if (sv.state != ss_loading)
2496                                 {
2497                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2498                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2499                                         MSG_WriteString(&sv.reliable_datagram, filename);
2500                                 }
2501                                 return i;
2502                         }
2503                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2504                         return 0;
2505                 }
2506                 if (!strcmp(sv.sound_precache[i], filename))
2507                         return i;
2508         }
2509         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2510         return 0;
2511 }
2512
2513 /*
2514 ================
2515 SV_ParticleEffectIndex
2516
2517 ================
2518 */
2519 int SV_ParticleEffectIndex(const char *name)
2520 {
2521         int i, argc, linenumber, effectnameindex;
2522         fs_offset_t filesize;
2523         unsigned char *filedata;
2524         const char *text, *textstart, *textend;
2525         char argv[16][1024];
2526         if (!sv.particleeffectnamesloaded)
2527         {
2528                 sv.particleeffectnamesloaded = true;
2529                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2530                 for (i = 0;i < EFFECT_TOTAL;i++)
2531                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2532                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
2533                 if (filedata)
2534                 {
2535                         textstart = (const char *)filedata;
2536                         textend = (const char *)filedata + filesize;
2537                         text = textstart;
2538                         for (linenumber = 1;;linenumber++)
2539                         {
2540                                 argc = 0;
2541                                 for (;;)
2542                                 {
2543                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2544                                                 break;
2545                                         if (argc < 16)
2546                                         {
2547                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2548                                                 argc++;
2549                                         }
2550                                 }
2551                                 if (com_token[0] == 0)
2552                                         break; // if the loop exited and it's not a \n, it's EOF
2553                                 if (argc < 1)
2554                                         continue;
2555                                 if (!strcmp(argv[0], "effect"))
2556                                 {
2557                                         if (argc == 2)
2558                                         {
2559                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2560                                                 {
2561                                                         if (sv.particleeffectname[effectnameindex][0])
2562                                                         {
2563                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2564                                                                         break;
2565                                                         }
2566                                                         else
2567                                                         {
2568                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2569                                                                 break;
2570                                                         }
2571                                                 }
2572                                                 // if we run out of names, abort
2573                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2574                                                 {
2575                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
2576                                                         break;
2577                                                 }
2578                                         }
2579                                 }
2580                         }
2581                         Mem_Free(filedata);
2582                 }
2583         }
2584         // search for the name
2585         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2586                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2587                         return effectnameindex;
2588         // return 0 if we couldn't find it
2589         return 0;
2590 }
2591
2592 /*
2593 ================
2594 SV_CreateBaseline
2595
2596 ================
2597 */
2598 static void SV_CreateBaseline (void)
2599 {
2600         int i, entnum, large;
2601         prvm_edict_t *svent;
2602
2603         // LordHavoc: clear *all* states (note just active ones)
2604         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2605         {
2606                 // get the current server version
2607                 svent = PRVM_EDICT_NUM(entnum);
2608
2609                 // LordHavoc: always clear state values, whether the entity is in use or not
2610                 svent->priv.server->baseline = defaultstate;
2611
2612                 if (svent->priv.server->free)
2613                         continue;
2614                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2615                         continue;
2616
2617                 // create entity baseline
2618                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2619                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2620                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2621                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2622                 if (entnum > 0 && entnum <= svs.maxclients)
2623                 {
2624                         svent->priv.server->baseline.colormap = entnum;
2625                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2626                 }
2627                 else
2628                 {
2629                         svent->priv.server->baseline.colormap = 0;
2630                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2631                 }
2632
2633                 large = false;
2634                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2635                 {
2636                         large = true;
2637                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2638                                 large = false;
2639                 }
2640
2641                 // add to the message
2642                 if (large)
2643                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2644                 else
2645                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2646                 MSG_WriteShort (&sv.signon, entnum);
2647
2648                 if (large)
2649                 {
2650                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2651                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2652                 }
2653                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2654                 {
2655                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2656                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2657                 }
2658                 else
2659                 {
2660                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2661                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2662                 }
2663                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2664                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2665                 for (i=0 ; i<3 ; i++)
2666                 {
2667                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2668                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2669                 }
2670         }
2671 }
2672
2673 /*
2674 ================
2675 SV_Prepare_CSQC
2676
2677 Load csprogs.dat and comperss it so it doesn't need to be
2678 reloaded on request.
2679 ================
2680 */
2681 void SV_Prepare_CSQC(void)
2682 {
2683         fs_offset_t progsize;
2684
2685         if(svs.csqc_progdata)
2686         {
2687                 Con_DPrintf("Unloading old CSQC data.\n");
2688                 Mem_Free(svs.csqc_progdata);
2689                 if(svs.csqc_progdata_deflated)
2690                         Mem_Free(svs.csqc_progdata_deflated);
2691         }
2692
2693         svs.csqc_progdata = NULL;
2694         svs.csqc_progdata_deflated = NULL;
2695         
2696         Con_Print("Loading csprogs.dat\n");
2697
2698         sv.csqc_progname[0] = 0;
2699         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
2700
2701         if(progsize > 0)
2702         {
2703                 size_t deflated_size;
2704                 
2705                 sv.csqc_progsize = (int)progsize;
2706                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
2707                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2708                 Con_Printf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2709
2710                 Con_Print("Compressing csprogs.dat\n");
2711                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
2712                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
2713                 svs.csqc_progsize_deflated = (int)deflated_size;
2714                 if(svs.csqc_progdata_deflated)
2715                 {
2716                         Con_Printf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
2717                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
2718                 }
2719                 else
2720                         Con_Printf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
2721         }
2722 }
2723
2724 /*
2725 ================
2726 SV_SaveSpawnparms
2727
2728 Grabs the current state of each client for saving across the
2729 transition to another level
2730 ================
2731 */
2732 void SV_SaveSpawnparms (void)
2733 {
2734         int             i, j;
2735
2736         svs.serverflags = (int)prog->globals.server->serverflags;
2737
2738         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2739         {
2740                 if (!host_client->active)
2741                         continue;
2742
2743         // call the progs to get default spawn parms for the new client
2744                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2745                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
2746                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
2747                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
2748         }
2749 }
2750
2751 /*
2752 ================
2753 SV_SpawnServer
2754
2755 This is called at the start of each level
2756 ================
2757 */
2758
2759 void SV_SpawnServer (const char *server)
2760 {
2761         prvm_edict_t *ent;
2762         int i;
2763         char *entities;
2764         dp_model_t *worldmodel;
2765         char modelname[sizeof(sv.modelname)];
2766
2767         Con_DPrintf("SpawnServer: %s\n", server);
2768
2769         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2770
2771         if (!FS_FileExists(modelname))
2772         {
2773                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
2774                 return;
2775         }
2776
2777         if (cls.state != ca_dedicated)
2778         {
2779                 SCR_BeginLoadingPlaque();
2780                 S_StopAllSounds();
2781         }
2782
2783         if(sv.active)
2784         {
2785                 SV_VM_Begin();
2786                 if(prog->funcoffsets.SV_Shutdown)
2787                 {
2788                         func_t s = prog->funcoffsets.SV_Shutdown;
2789                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
2790                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
2791                 }
2792                 SV_VM_End();
2793         }
2794
2795         // free q3 shaders so that any newly downloaded shaders will be active
2796         Mod_FreeQ3Shaders();
2797
2798         worldmodel = Mod_ForName(modelname, false, true, NULL);
2799         if (!worldmodel || !worldmodel->TraceBox)
2800         {
2801                 Con_Printf("Couldn't load map %s\n", modelname);
2802                 return;
2803         }
2804
2805         // let's not have any servers with no name
2806         if (hostname.string[0] == 0)
2807                 Cvar_Set ("hostname", "UNNAMED");
2808         scr_centertime_off = 0;
2809
2810         svs.changelevel_issued = false;         // now safe to issue another
2811
2812         // make the map a required file for clients
2813         Curl_ClearRequirements();
2814         Curl_RequireFile(modelname);
2815
2816 //
2817 // tell all connected clients that we are going to a new level
2818 //
2819         if (sv.active)
2820         {
2821                 client_t *client;
2822                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2823                 {
2824                         if (client->netconnection)
2825                         {
2826                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
2827                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
2828                         }
2829                 }
2830         }
2831         else
2832         {
2833                 // open server port
2834                 NetConn_OpenServerPorts(true);
2835         }
2836
2837 //
2838 // make cvars consistant
2839 //
2840         if (coop.integer)
2841                 Cvar_SetValue ("deathmatch", 0);
2842         // LordHavoc: it can be useful to have skills outside the range 0-3...
2843         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
2844         //Cvar_SetValue ("skill", (float)current_skill);
2845         current_skill = (int)(skill.value + 0.5);
2846
2847 //
2848 // set up the new server
2849 //
2850         memset (&sv, 0, sizeof(sv));
2851         // if running a local client, make sure it doesn't try to access the last
2852         // level's data which is no longer valiud
2853         cls.signon = 0;
2854
2855         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
2856
2857         if(*sv_random_seed.string)
2858         {
2859                 srand(sv_random_seed.integer);
2860                 Con_Printf("NOTE: random seed is %d; use for debugging/benchmarking only!\nUnset sv_random_seed to get real random numbers again.\n", sv_random_seed.integer);
2861         }
2862
2863         SV_VM_Setup();
2864
2865         sv.active = true;
2866
2867         strlcpy (sv.name, server, sizeof (sv.name));
2868
2869         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
2870         if (sv.protocol == PROTOCOL_UNKNOWN)
2871         {
2872                 char buffer[1024];
2873                 Protocol_Names(buffer, sizeof(buffer));
2874                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
2875                 sv.protocol = PROTOCOL_QUAKE;
2876         }
2877
2878         SV_VM_Begin();
2879
2880 // load progs to get entity field count
2881         //PR_LoadProgs ( sv_progs.string );
2882
2883         sv.datagram.maxsize = sizeof(sv.datagram_buf);
2884         sv.datagram.cursize = 0;
2885         sv.datagram.data = sv.datagram_buf;
2886
2887         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
2888         sv.reliable_datagram.cursize = 0;
2889         sv.reliable_datagram.data = sv.reliable_datagram_buf;
2890
2891         sv.signon.maxsize = sizeof(sv.signon_buf);
2892         sv.signon.cursize = 0;
2893         sv.signon.data = sv.signon_buf;
2894
2895 // leave slots at start for clients only
2896         //prog->num_edicts = svs.maxclients+1;
2897
2898         sv.state = ss_loading;
2899         prog->allowworldwrites = true;
2900         sv.paused = false;
2901
2902         prog->globals.server->time = sv.time = 1.0;
2903
2904         Mod_ClearUsed();
2905         worldmodel->used = true;
2906
2907         strlcpy (sv.name, server, sizeof (sv.name));
2908         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
2909         sv.worldmodel = worldmodel;
2910         sv.models[1] = sv.worldmodel;
2911
2912 //
2913 // clear world interaction links
2914 //
2915         World_SetSize(&sv.world, sv.worldmodel->name, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
2916
2917         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
2918
2919         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
2920         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
2921         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
2922         {
2923                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
2924                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.modelname);
2925         }
2926         if(i < sv.worldmodel->brush.numsubmodels)
2927                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
2928
2929 //
2930 // load the rest of the entities
2931 //
2932         // AK possible hack since num_edicts is still 0
2933         ent = PRVM_EDICT_NUM(0);
2934         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
2935         ent->priv.server->free = false;
2936         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
2937         ent->fields.server->modelindex = 1;             // world model
2938         ent->fields.server->solid = SOLID_BSP;
2939         ent->fields.server->movetype = MOVETYPE_PUSH;
2940         VectorCopy(sv.world.mins, ent->fields.server->mins);
2941         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
2942         VectorCopy(sv.world.mins, ent->fields.server->absmin);
2943         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
2944
2945         if (coop.value)
2946                 prog->globals.server->coop = coop.integer;
2947         else
2948                 prog->globals.server->deathmatch = deathmatch.integer;
2949
2950         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
2951
2952 // serverflags are for cross level information (sigils)
2953         prog->globals.server->serverflags = svs.serverflags;
2954
2955         // we need to reset the spawned flag on all connected clients here so that
2956         // their thinks don't run during startup (before PutClientInServer)
2957         // we also need to set up the client entities now
2958         // and we need to set the ->edict pointers to point into the progs edicts
2959         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2960         {
2961                 host_client->spawned = false;
2962                 host_client->edict = PRVM_EDICT_NUM(i + 1);
2963                 PRVM_ED_ClearEdict(host_client->edict);
2964         }
2965
2966         // load replacement entity file if found
2967         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
2968         {
2969                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
2970                 PRVM_ED_LoadFromFile (entities);
2971                 Mem_Free(entities);
2972         }
2973         else
2974                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
2975
2976
2977         // LordHavoc: clear world angles (to fix e3m3.bsp)
2978         VectorClear(prog->edicts->fields.server->angles);
2979
2980 // all setup is completed, any further precache statements are errors
2981 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
2982         prog->allowworldwrites = false;
2983
2984 // run two frames to allow everything to settle
2985         prog->globals.server->time = sv.time = 1.0001;
2986         for (i = 0;i < 2;i++)
2987         {
2988                 sv.frametime = 0.1;
2989                 SV_Physics ();
2990         }
2991
2992         if (cls.state == ca_dedicated)
2993                 Mod_PurgeUnused();
2994
2995 // create a baseline for more efficient communications
2996         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)
2997                 SV_CreateBaseline ();
2998
2999         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3000
3001         // to prevent network timeouts
3002         realtime = Sys_DoubleTime();
3003         
3004 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3005         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3006         {
3007                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3008                 if (!host_client->active)
3009                         continue;
3010                 if (host_client->netconnection)
3011                         SV_SendServerinfo(host_client);
3012                 else
3013                 {
3014                         int j;
3015                         // if client is a botclient coming from a level change, we need to
3016                         // set up client info that normally requires networking
3017
3018                         // copy spawn parms out of the client_t
3019                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3020                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3021
3022                         // call the spawn function
3023                         host_client->clientconnectcalled = true;
3024                         prog->globals.server->time = sv.time;
3025                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3026                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3027                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3028                         host_client->spawned = true;
3029                 }
3030         }
3031
3032         Con_DPrint("Server spawned.\n");
3033         NetConn_Heartbeat (2);
3034
3035         SV_VM_End();
3036 }
3037
3038 /////////////////////////////////////////////////////
3039 // SV VM stuff
3040
3041 static void SV_VM_CB_BeginIncreaseEdicts(void)
3042 {
3043         // links don't survive the transition, so unlink everything
3044         World_UnlinkAll(&sv.world);
3045 }
3046
3047 static void SV_VM_CB_EndIncreaseEdicts(void)
3048 {
3049         int i;
3050         prvm_edict_t *ent;
3051
3052         // link every entity except world
3053         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
3054                 if (!ent->priv.server->free)
3055                         SV_LinkEdict(ent, false);
3056 }
3057
3058 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3059 {
3060         // LordHavoc: for consistency set these here
3061         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3062
3063         e->priv.server->move = false; // don't move on first frame
3064
3065         if (num >= 0 && num < svs.maxclients)
3066         {
3067                 prvm_eval_t *val;
3068                 // set colormap and team on newly created player entity
3069                 e->fields.server->colormap = num + 1;
3070                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3071                 // set netname/clientcolors back to client values so that
3072                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3073                 // reset them
3074                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3075                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3076                         val->_float = svs.clients[num].colors;
3077                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3078                 if( prog->fieldoffsets.playermodel >= 0 )
3079                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3080                 if( prog->fieldoffsets.playerskin >= 0 )
3081                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3082                 // Assign netaddress (IP Address, etc)
3083                 if(prog->fieldoffsets.netaddress >= 0)
3084                 { // Valid Field; Process
3085                         if(svs.clients[num].netconnection != NULL)
3086                         {// Valid Address; Assign
3087                                 // Acquire Readable Address
3088                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3089                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3090                         }
3091                         else
3092                                 // Invalid / Bot
3093                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3094                 }
3095         }
3096 }
3097
3098 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3099 {
3100         int i;
3101         int e;
3102
3103         World_UnlinkEdict(ed);          // unlink from world bsp
3104
3105         ed->fields.server->model = 0;
3106         ed->fields.server->takedamage = 0;
3107         ed->fields.server->modelindex = 0;
3108         ed->fields.server->colormap = 0;
3109         ed->fields.server->skin = 0;
3110         ed->fields.server->frame = 0;
3111         VectorClear(ed->fields.server->origin);
3112         VectorClear(ed->fields.server->angles);
3113         ed->fields.server->nextthink = -1;
3114         ed->fields.server->solid = 0;
3115
3116         // make sure csqc networking is aware of the removed entity
3117         e = PRVM_NUM_FOR_EDICT(ed);
3118         sv.csqcentityversion[e] = 0;
3119         for (i = 0;i < svs.maxclients;i++)
3120         {
3121                 if (svs.clients[i].csqcentityscope[e])
3122                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3123                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3124         }
3125 }
3126
3127 static void SV_VM_CB_CountEdicts(void)
3128 {
3129         int             i;
3130         prvm_edict_t    *ent;
3131         int             active, models, solid, step;
3132
3133         active = models = solid = step = 0;
3134         for (i=0 ; i<prog->num_edicts ; i++)
3135         {
3136                 ent = PRVM_EDICT_NUM(i);
3137                 if (ent->priv.server->free)