1 /*
2 Copyright (C) 1997-2001 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_game.c -- interface to the game dll
21
22 #include "server.h"
23
24 game_export_t *ge;
25
26
27 /*
28 ===============
29 PF_Unicast
30
31 Sends the contents of the mutlicast buffer to a single client
32 ===============
33 */
PF_Unicast(edict_t * ent,qboolean reliable)34 void PF_Unicast (edict_t *ent, qboolean reliable)
35 {
36 int p;
37 client_t *client;
38
39 if (!ent)
40 return;
41
42 p = NUM_FOR_EDICT(ent);
43 if (p < 1 || p > maxclients->value)
44 return;
45
46 client = svs.clients + (p-1);
47
48 if (reliable)
49 SZ_Write (&client->netchan.message, sv.multicast.data, sv.multicast.cursize);
50 else
51 SZ_Write (&client->datagram, sv.multicast.data, sv.multicast.cursize);
52
53 SZ_Clear (&sv.multicast);
54 }
55
56
57 /*
58 ===============
59 PF_dprintf
60
61 Debug print to server console
62 ===============
63 */
PF_dprintf(char * fmt,...)64 void PF_dprintf (char *fmt, ...)
65 {
66 char msg[1024];
67 va_list argptr;
68
69 va_start (argptr,fmt);
70 vsprintf (msg, fmt, argptr);
71 va_end (argptr);
72
73 Com_Printf ("%s", msg);
74 }
75
76
77 /*
78 ===============
79 PF_cprintf
80
81 Print to a single client
82 ===============
83 */
PF_cprintf(edict_t * ent,int level,char * fmt,...)84 void PF_cprintf (edict_t *ent, int level, char *fmt, ...)
85 {
86 char msg[1024];
87 va_list argptr;
88 int n;
89
90 n = 0;
91 if (ent)
92 {
93 n = NUM_FOR_EDICT(ent);
94 if (n < 1 || n > maxclients->value)
95 Com_Error (ERR_DROP, "cprintf to a non-client");
96 }
97
98 va_start (argptr,fmt);
99 vsprintf (msg, fmt, argptr);
100 va_end (argptr);
101
102 if (ent)
103 SV_ClientPrintf (svs.clients+(n-1), level, "%s", msg);
104 else
105 Com_Printf ("%s", msg);
106 }
107
108
109 /*
110 ===============
111 PF_centerprintf
112
113 centerprint to a single client
114 ===============
115 */
PF_centerprintf(edict_t * ent,char * fmt,...)116 void PF_centerprintf (edict_t *ent, char *fmt, ...)
117 {
118 char msg[1024];
119 va_list argptr;
120 int n;
121
122 n = NUM_FOR_EDICT(ent);
123 if (n < 1 || n > maxclients->value)
124 return; // Com_Error (ERR_DROP, "centerprintf to a non-client");
125
126 va_start (argptr,fmt);
127 vsprintf (msg, fmt, argptr);
128 va_end (argptr);
129
130 MSG_WriteByte (&sv.multicast,svc_centerprint);
131 MSG_WriteString (&sv.multicast,msg);
132 PF_Unicast (ent, true);
133 }
134
135
136 /*
137 ===============
138 PF_error
139
140 Abort the server with a game error
141 ===============
142 */
PF_error(char * fmt,...)143 void PF_error (char *fmt, ...)
144 {
145 char msg[1024];
146 va_list argptr;
147
148 va_start (argptr,fmt);
149 vsprintf (msg, fmt, argptr);
150 va_end (argptr);
151
152 Com_Error (ERR_DROP, "Game Error: %s", msg);
153 }
154
155
156 /*
157 =================
158 PF_setmodel
159
160 Also sets mins and maxs for inline bmodels
161 =================
162 */
PF_setmodel(edict_t * ent,char * name)163 void PF_setmodel (edict_t *ent, char *name)
164 {
165 int i;
166 cmodel_t *mod;
167
168 if (!name)
169 Com_Error (ERR_DROP, "PF_setmodel: NULL");
170
171 i = SV_ModelIndex (name);
172
173 // ent->model = name;
174 ent->s.modelindex = i;
175
176 // if it is an inline model, get the size information for it
177 if (name[0] == '*')
178 {
179 mod = CM_InlineModel (name);
180 VectorCopy (mod->mins, ent->mins);
181 VectorCopy (mod->maxs, ent->maxs);
182 SV_LinkEdict (ent);
183 }
184
185 }
186
187 /*
188 ===============
189 PF_Configstring
190
191 ===============
192 */
PF_Configstring(int index,char * val)193 void PF_Configstring (int index, char *val)
194 {
195 if (index < 0 || index >= MAX_CONFIGSTRINGS)
196 Com_Error (ERR_DROP, "configstring: bad index %i\n", index);
197
198 if (!val)
199 val = "";
200
201 // change the string in sv
202 strcpy (sv.configstrings[index], val);
203
204
205 if (sv.state != ss_loading)
206 { // send the update to everyone
207 SZ_Clear (&sv.multicast);
208 MSG_WriteChar (&sv.multicast, svc_configstring);
209 MSG_WriteShort (&sv.multicast, index);
210 MSG_WriteString (&sv.multicast, val);
211
212 SV_Multicast (vec3_origin, MULTICAST_ALL_R);
213 }
214 }
215
216
217
PF_WriteChar(int c)218 void PF_WriteChar (int c) {MSG_WriteChar (&sv.multicast, c);}
PF_WriteByte(int c)219 void PF_WriteByte (int c) {MSG_WriteByte (&sv.multicast, c);}
PF_WriteShort(int c)220 void PF_WriteShort (int c) {MSG_WriteShort (&sv.multicast, c);}
PF_WriteLong(int c)221 void PF_WriteLong (int c) {MSG_WriteLong (&sv.multicast, c);}
PF_WriteFloat(float f)222 void PF_WriteFloat (float f) {MSG_WriteFloat (&sv.multicast, f);}
PF_WriteString(char * s)223 void PF_WriteString (char *s) {MSG_WriteString (&sv.multicast, s);}
PF_WritePos(vec3_t pos)224 void PF_WritePos (vec3_t pos) {MSG_WritePos (&sv.multicast, pos);}
PF_WriteDir(vec3_t dir)225 void PF_WriteDir (vec3_t dir) {MSG_WriteDir (&sv.multicast, dir);}
PF_WriteAngle(float f)226 void PF_WriteAngle (float f) {MSG_WriteAngle (&sv.multicast, f);}
227
228
229 /*
230 =================
231 PF_inPVS
232
233 Also checks portalareas so that doors block sight
234 =================
235 */
PF_inPVS(vec3_t p1,vec3_t p2)236 qboolean PF_inPVS (vec3_t p1, vec3_t p2)
237 {
238 int leafnum;
239 int cluster;
240 int area1, area2;
241 byte *mask;
242
243 leafnum = CM_PointLeafnum (p1);
244 cluster = CM_LeafCluster (leafnum);
245 area1 = CM_LeafArea (leafnum);
246 mask = CM_ClusterPVS (cluster);
247
248 leafnum = CM_PointLeafnum (p2);
249 cluster = CM_LeafCluster (leafnum);
250 area2 = CM_LeafArea (leafnum);
251 if ( mask && (!(mask[cluster>>3] & (1<<(cluster&7)) ) ) )
252 return false;
253 if (!CM_AreasConnected (area1, area2))
254 return false; // a door blocks sight
255 return true;
256 }
257
258
259 /*
260 =================
261 PF_inPHS
262
263 Also checks portalareas so that doors block sound
264 =================
265 */
PF_inPHS(vec3_t p1,vec3_t p2)266 qboolean PF_inPHS (vec3_t p1, vec3_t p2)
267 {
268 int leafnum;
269 int cluster;
270 int area1, area2;
271 byte *mask;
272
273 leafnum = CM_PointLeafnum (p1);
274 cluster = CM_LeafCluster (leafnum);
275 area1 = CM_LeafArea (leafnum);
276 mask = CM_ClusterPHS (cluster);
277
278 leafnum = CM_PointLeafnum (p2);
279 cluster = CM_LeafCluster (leafnum);
280 area2 = CM_LeafArea (leafnum);
281 if ( mask && (!(mask[cluster>>3] & (1<<(cluster&7)) ) ) )
282 return false; // more than one bounce away
283 if (!CM_AreasConnected (area1, area2))
284 return false; // a door blocks hearing
285
286 return true;
287 }
288
PF_StartSound(edict_t * entity,int channel,int sound_num,float volume,float attenuation,float timeofs)289 void PF_StartSound (edict_t *entity, int channel, int sound_num, float volume,
290 float attenuation, float timeofs)
291 {
292 if (!entity)
293 return;
294 SV_StartSound (NULL, entity, channel, sound_num, volume, attenuation, timeofs);
295 }
296
297 //==============================================
298
299 /*
300 ===============
301 SV_ShutdownGameProgs
302
303 Called when either the entire server is being killed, or
304 it is changing to a different game directory.
305 ===============
306 */
SV_ShutdownGameProgs(void)307 void SV_ShutdownGameProgs (void)
308 {
309 if (!ge)
310 return;
311 ge->Shutdown ();
312 Sys_UnloadGame ();
313 ge = NULL;
314 }
315
316 /*
317 ===============
318 SV_InitGameProgs
319
320 Init the game subsystem for a new map
321 ===============
322 */
323 void SCR_DebugGraph (float value, int color);
324
SV_InitGameProgs(void)325 void SV_InitGameProgs (void)
326 {
327 game_import_t import;
328
329 // unload anything we have now
330 if (ge)
331 SV_ShutdownGameProgs ();
332
333
334 // load a new game dll
335 import.multicast = SV_Multicast;
336 import.unicast = PF_Unicast;
337 import.bprintf = SV_BroadcastPrintf;
338 import.dprintf = PF_dprintf;
339 import.cprintf = PF_cprintf;
340 import.centerprintf = PF_centerprintf;
341 import.error = PF_error;
342
343 import.linkentity = SV_LinkEdict;
344 import.unlinkentity = SV_UnlinkEdict;
345 import.BoxEdicts = SV_AreaEdicts;
346 import.trace = SV_Trace;
347 import.pointcontents = SV_PointContents;
348 import.setmodel = PF_setmodel;
349 import.inPVS = PF_inPVS;
350 import.inPHS = PF_inPHS;
351 import.Pmove = Pmove;
352
353 import.modelindex = SV_ModelIndex;
354 import.soundindex = SV_SoundIndex;
355 import.imageindex = SV_ImageIndex;
356
357 import.configstring = PF_Configstring;
358 import.sound = PF_StartSound;
359 import.positioned_sound = SV_StartSound;
360
361 import.WriteChar = PF_WriteChar;
362 import.WriteByte = PF_WriteByte;
363 import.WriteShort = PF_WriteShort;
364 import.WriteLong = PF_WriteLong;
365 import.WriteFloat = PF_WriteFloat;
366 import.WriteString = PF_WriteString;
367 import.WritePosition = PF_WritePos;
368 import.WriteDir = PF_WriteDir;
369 import.WriteAngle = PF_WriteAngle;
370
371 import.TagMalloc = Z_TagMalloc;
372 import.TagFree = Z_Free;
373 import.FreeTags = Z_FreeTags;
374
375 import.cvar = Cvar_Get;
376 import.cvar_set = Cvar_Set;
377 import.cvar_forceset = Cvar_ForceSet;
378
379 import.argc = Cmd_Argc;
380 import.argv = Cmd_Argv;
381 import.args = Cmd_Args;
382 import.AddCommandString = Cbuf_AddText;
383
384 import.DebugGraph = SCR_DebugGraph;
385 import.SetAreaPortalState = CM_SetAreaPortalState;
386 import.AreasConnected = CM_AreasConnected;
387
388 ge = (game_export_t *)Sys_GetGameAPI (&import);
389
390 if (!ge)
391 Com_Error (ERR_DROP, "failed to load game DLL");
392 if (ge->apiversion != GAME_API_VERSION)
393 Com_Error (ERR_DROP, "game is version %i, not %i", ge->apiversion,
394 GAME_API_VERSION);
395
396 ge->Init ();
397 }
398
399