Fix two pieces of code that did not compile with PRVM_64.
[xonotic/darkplaces.git] / csprogs.c
1 #include "quakedef.h"
2 #include "progsvm.h"
3 #include "clprogdefs.h"
4 #include "csprogs.h"
5 #include "cl_collision.h"
6 #include "snd_main.h"
7 #include "clvm_cmds.h"
8 #include "prvm_cmds.h"
9
10 //============================================================================
11 // Client prog handling
12 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
13
14 #define CSQC_RETURNVAL  prog->globals.fp[OFS_RETURN]
15 #define CSQC_BEGIN
16 #define CSQC_END
17
18 void CL_VM_PreventInformationLeaks(void)
19 {
20         prvm_prog_t *prog = CLVM_prog;
21         if(!cl.csqc_loaded)
22                 return;
23         CSQC_BEGIN
24                 VM_ClearTraceGlobals(prog);
25                 PRVM_clientglobalfloat(trace_networkentity) = 0;
26         CSQC_END
27 }
28
29 //[515]: these are required funcs
30 static const char *cl_required_func[] =
31 {
32         "CSQC_Init",
33         "CSQC_InputEvent",
34         "CSQC_UpdateView",
35         "CSQC_ConsoleCommand",
36 };
37
38 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
39
40 #define CL_REQFIELDS (sizeof(cl_reqfields) / sizeof(prvm_required_field_t))
41
42 prvm_required_field_t cl_reqfields[] =
43 {
44 #define PRVM_DECLARE_serverglobalfloat(x)
45 #define PRVM_DECLARE_serverglobalvector(x)
46 #define PRVM_DECLARE_serverglobalstring(x)
47 #define PRVM_DECLARE_serverglobaledict(x)
48 #define PRVM_DECLARE_serverglobalfunction(x)
49 #define PRVM_DECLARE_clientglobalfloat(x)
50 #define PRVM_DECLARE_clientglobalvector(x)
51 #define PRVM_DECLARE_clientglobalstring(x)
52 #define PRVM_DECLARE_clientglobaledict(x)
53 #define PRVM_DECLARE_clientglobalfunction(x)
54 #define PRVM_DECLARE_menuglobalfloat(x)
55 #define PRVM_DECLARE_menuglobalvector(x)
56 #define PRVM_DECLARE_menuglobalstring(x)
57 #define PRVM_DECLARE_menuglobaledict(x)
58 #define PRVM_DECLARE_menuglobalfunction(x)
59 #define PRVM_DECLARE_serverfieldfloat(x)
60 #define PRVM_DECLARE_serverfieldvector(x)
61 #define PRVM_DECLARE_serverfieldstring(x)
62 #define PRVM_DECLARE_serverfieldedict(x)
63 #define PRVM_DECLARE_serverfieldfunction(x)
64 #define PRVM_DECLARE_clientfieldfloat(x) {ev_float, #x },
65 #define PRVM_DECLARE_clientfieldvector(x) {ev_vector, #x },
66 #define PRVM_DECLARE_clientfieldstring(x) {ev_string, #x },
67 #define PRVM_DECLARE_clientfieldedict(x) {ev_entity, #x },
68 #define PRVM_DECLARE_clientfieldfunction(x) {ev_function, #x },
69 #define PRVM_DECLARE_menufieldfloat(x)
70 #define PRVM_DECLARE_menufieldvector(x)
71 #define PRVM_DECLARE_menufieldstring(x)
72 #define PRVM_DECLARE_menufieldedict(x)
73 #define PRVM_DECLARE_menufieldfunction(x)
74 #define PRVM_DECLARE_serverfunction(x)
75 #define PRVM_DECLARE_clientfunction(x)
76 #define PRVM_DECLARE_menufunction(x)
77 #define PRVM_DECLARE_field(x)
78 #define PRVM_DECLARE_global(x)
79 #define PRVM_DECLARE_function(x)
80 #include "prvm_offsets.h"
81 #undef PRVM_DECLARE_serverglobalfloat
82 #undef PRVM_DECLARE_serverglobalvector
83 #undef PRVM_DECLARE_serverglobalstring
84 #undef PRVM_DECLARE_serverglobaledict
85 #undef PRVM_DECLARE_serverglobalfunction
86 #undef PRVM_DECLARE_clientglobalfloat
87 #undef PRVM_DECLARE_clientglobalvector
88 #undef PRVM_DECLARE_clientglobalstring
89 #undef PRVM_DECLARE_clientglobaledict
90 #undef PRVM_DECLARE_clientglobalfunction
91 #undef PRVM_DECLARE_menuglobalfloat
92 #undef PRVM_DECLARE_menuglobalvector
93 #undef PRVM_DECLARE_menuglobalstring
94 #undef PRVM_DECLARE_menuglobaledict
95 #undef PRVM_DECLARE_menuglobalfunction
96 #undef PRVM_DECLARE_serverfieldfloat
97 #undef PRVM_DECLARE_serverfieldvector
98 #undef PRVM_DECLARE_serverfieldstring
99 #undef PRVM_DECLARE_serverfieldedict
100 #undef PRVM_DECLARE_serverfieldfunction
101 #undef PRVM_DECLARE_clientfieldfloat
102 #undef PRVM_DECLARE_clientfieldvector
103 #undef PRVM_DECLARE_clientfieldstring
104 #undef PRVM_DECLARE_clientfieldedict
105 #undef PRVM_DECLARE_clientfieldfunction
106 #undef PRVM_DECLARE_menufieldfloat
107 #undef PRVM_DECLARE_menufieldvector
108 #undef PRVM_DECLARE_menufieldstring
109 #undef PRVM_DECLARE_menufieldedict
110 #undef PRVM_DECLARE_menufieldfunction
111 #undef PRVM_DECLARE_serverfunction
112 #undef PRVM_DECLARE_clientfunction
113 #undef PRVM_DECLARE_menufunction
114 #undef PRVM_DECLARE_field
115 #undef PRVM_DECLARE_global
116 #undef PRVM_DECLARE_function
117 };
118
119 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
120
121 prvm_required_field_t cl_reqglobals[] =
122 {
123 #define PRVM_DECLARE_serverglobalfloat(x)
124 #define PRVM_DECLARE_serverglobalvector(x)
125 #define PRVM_DECLARE_serverglobalstring(x)
126 #define PRVM_DECLARE_serverglobaledict(x)
127 #define PRVM_DECLARE_serverglobalfunction(x)
128 #define PRVM_DECLARE_clientglobalfloat(x) {ev_float, #x},
129 #define PRVM_DECLARE_clientglobalvector(x) {ev_vector, #x},
130 #define PRVM_DECLARE_clientglobalstring(x) {ev_string, #x},
131 #define PRVM_DECLARE_clientglobaledict(x) {ev_entity, #x},
132 #define PRVM_DECLARE_clientglobalfunction(x) {ev_function, #x},
133 #define PRVM_DECLARE_menuglobalfloat(x)
134 #define PRVM_DECLARE_menuglobalvector(x)
135 #define PRVM_DECLARE_menuglobalstring(x)
136 #define PRVM_DECLARE_menuglobaledict(x)
137 #define PRVM_DECLARE_menuglobalfunction(x)
138 #define PRVM_DECLARE_serverfieldfloat(x)
139 #define PRVM_DECLARE_serverfieldvector(x)
140 #define PRVM_DECLARE_serverfieldstring(x)
141 #define PRVM_DECLARE_serverfieldedict(x)
142 #define PRVM_DECLARE_serverfieldfunction(x)
143 #define PRVM_DECLARE_clientfieldfloat(x)
144 #define PRVM_DECLARE_clientfieldvector(x)
145 #define PRVM_DECLARE_clientfieldstring(x)
146 #define PRVM_DECLARE_clientfieldedict(x)
147 #define PRVM_DECLARE_clientfieldfunction(x)
148 #define PRVM_DECLARE_menufieldfloat(x)
149 #define PRVM_DECLARE_menufieldvector(x)
150 #define PRVM_DECLARE_menufieldstring(x)
151 #define PRVM_DECLARE_menufieldedict(x)
152 #define PRVM_DECLARE_menufieldfunction(x)
153 #define PRVM_DECLARE_serverfunction(x)
154 #define PRVM_DECLARE_clientfunction(x)
155 #define PRVM_DECLARE_menufunction(x)
156 #define PRVM_DECLARE_field(x)
157 #define PRVM_DECLARE_global(x)
158 #define PRVM_DECLARE_function(x)
159 #include "prvm_offsets.h"
160 #undef PRVM_DECLARE_serverglobalfloat
161 #undef PRVM_DECLARE_serverglobalvector
162 #undef PRVM_DECLARE_serverglobalstring
163 #undef PRVM_DECLARE_serverglobaledict
164 #undef PRVM_DECLARE_serverglobalfunction
165 #undef PRVM_DECLARE_clientglobalfloat
166 #undef PRVM_DECLARE_clientglobalvector
167 #undef PRVM_DECLARE_clientglobalstring
168 #undef PRVM_DECLARE_clientglobaledict
169 #undef PRVM_DECLARE_clientglobalfunction
170 #undef PRVM_DECLARE_menuglobalfloat
171 #undef PRVM_DECLARE_menuglobalvector
172 #undef PRVM_DECLARE_menuglobalstring
173 #undef PRVM_DECLARE_menuglobaledict
174 #undef PRVM_DECLARE_menuglobalfunction
175 #undef PRVM_DECLARE_serverfieldfloat
176 #undef PRVM_DECLARE_serverfieldvector
177 #undef PRVM_DECLARE_serverfieldstring
178 #undef PRVM_DECLARE_serverfieldedict
179 #undef PRVM_DECLARE_serverfieldfunction
180 #undef PRVM_DECLARE_clientfieldfloat
181 #undef PRVM_DECLARE_clientfieldvector
182 #undef PRVM_DECLARE_clientfieldstring
183 #undef PRVM_DECLARE_clientfieldedict
184 #undef PRVM_DECLARE_clientfieldfunction
185 #undef PRVM_DECLARE_menufieldfloat
186 #undef PRVM_DECLARE_menufieldvector
187 #undef PRVM_DECLARE_menufieldstring
188 #undef PRVM_DECLARE_menufieldedict
189 #undef PRVM_DECLARE_menufieldfunction
190 #undef PRVM_DECLARE_serverfunction
191 #undef PRVM_DECLARE_clientfunction
192 #undef PRVM_DECLARE_menufunction
193 #undef PRVM_DECLARE_field
194 #undef PRVM_DECLARE_global
195 #undef PRVM_DECLARE_function
196 };
197
198 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
199 {
200         prvm_prog_t *prog = CLVM_prog;
201         if(cl.csqc_loaded)
202         {
203                 CSQC_BEGIN
204                 PRVM_clientglobalfloat(dmg_take) = dmg_take;
205                 PRVM_clientglobalfloat(dmg_save) = dmg_save;
206                 VectorCopy(dmg_origin, PRVM_clientglobalvector(dmg_origin));
207                 CSQC_END
208         }
209 }
210
211 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
212 {
213         prvm_prog_t *prog = CLVM_prog;
214         if(!cl.csqc_loaded)
215                 return;
216         CSQC_BEGIN
217         PRVM_clientglobalfloat(servertime) = newtime;
218         PRVM_clientglobalfloat(serverprevtime) = oldtime;
219         PRVM_clientglobalfloat(serverdeltatime) = newtime - oldtime;
220         CSQC_END
221 }
222
223 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
224 static void CSQC_SetGlobals (double frametime)
225 {
226         vec3_t pmove_org;
227         prvm_prog_t *prog = CLVM_prog;
228         CSQC_BEGIN
229                 PRVM_clientglobalfloat(time) = cl.time;
230                 PRVM_clientglobalfloat(cltime) = realtime; // Spike named it that way.
231                 PRVM_clientglobalfloat(frametime) = frametime;
232                 PRVM_clientglobalfloat(servercommandframe) = cls.servermovesequence;
233                 PRVM_clientglobalfloat(clientcommandframe) = cl.movecmd[0].sequence;
234                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(input_angles));
235                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
236                 PRVM_clientglobalfloat(input_buttons) = cl.movecmd[0].buttons;
237                 VectorSet(PRVM_clientglobalvector(input_movevalues), cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
238                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
239                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
240
241                 // LordHavoc: Spike says not to do this, but without pmove_org the
242                 // CSQC is useless as it can't alter the view origin without
243                 // completely replacing it
244                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, pmove_org);
245                 VectorCopy(pmove_org, PRVM_clientglobalvector(pmove_org));
246                 VectorCopy(cl.movement_velocity, PRVM_clientglobalvector(pmove_vel));
247                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
248                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
249
250                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
251                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
252                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
253                 PRVM_clientglobalfloat(maxclients) = cl.maxclients;
254
255                 PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
256
257                 CSQC_R_RecalcView();
258         CSQC_END
259 }
260
261 void CSQC_Predraw (prvm_edict_t *ed)
262 {
263         prvm_prog_t *prog = CLVM_prog;
264         int b;
265         if(!PRVM_clientedictfunction(ed, predraw))
266                 return;
267         b = PRVM_clientglobaledict(self);
268         PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
269         prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, predraw), "CSQC_Predraw: NULL function\n");
270         PRVM_clientglobaledict(self) = b;
271 }
272
273 void CSQC_Think (prvm_edict_t *ed)
274 {
275         prvm_prog_t *prog = CLVM_prog;
276         int b;
277         if(PRVM_clientedictfunction(ed, think))
278         if(PRVM_clientedictfloat(ed, nextthink) && PRVM_clientedictfloat(ed, nextthink) <= PRVM_clientglobalfloat(time))
279         {
280                 PRVM_clientedictfloat(ed, nextthink) = 0;
281                 b = PRVM_clientglobaledict(self);
282                 PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
283                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, think), "CSQC_Think: NULL function\n");
284                 PRVM_clientglobaledict(self) = b;
285         }
286 }
287
288 extern cvar_t cl_noplayershadow;
289 extern cvar_t r_equalize_entities_fullbright;
290 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
291 {
292         prvm_prog_t *prog = CLVM_prog;
293         int renderflags;
294         int c;
295         float scale;
296         entity_render_t *entrender;
297         dp_model_t *model;
298         prvm_vec3_t modellight_origin;
299
300         model = CL_GetModelFromEdict(ed);
301         if (!model)
302                 return false;
303
304         if (edictnum)
305         {
306                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
307                         return false;
308                 entrender = cl.csqcrenderentities + edictnum;
309                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
310                 entrender->entitynumber = edictnum + MAX_EDICTS;
311                 //entrender->shadertime = 0; // shadertime was set by spawn()
312                 entrender->flags = 0;
313                 entrender->effects = 0;
314                 entrender->alpha = 1;
315                 entrender->scale = 1;
316                 VectorSet(entrender->colormod, 1, 1, 1);
317                 VectorSet(entrender->glowmod, 1, 1, 1);
318                 entrender->allowdecals = true;
319         }
320         else
321         {
322                 entrender = CL_NewTempEntity(0);
323                 if (!entrender)
324                         return false;
325         }
326
327         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
328         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
329         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
330         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
331
332         entrender->model = model;
333         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
334         entrender->effects |= entrender->model->effects;
335         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
336         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
337         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
338         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
339         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
340         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
341         if (!entrender->alpha)
342                 entrender->alpha = 1.0f;
343         if (!entrender->scale)
344                 entrender->scale = scale = 1.0f;
345         if (!VectorLength2(entrender->colormod))
346                 VectorSet(entrender->colormod, 1, 1, 1);
347         if (!VectorLength2(entrender->glowmod))
348                 VectorSet(entrender->glowmod, 1, 1, 1);
349
350         // LadyHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
351         // this also sets the custommodellight_origin for us
352         VectorCopy(modellight_origin, entrender->custommodellight_origin);
353         CL_GetTagMatrix(prog, &entrender->matrix, ed, 0, modellight_origin);
354
355         // set up the animation data
356         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
357         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, cl.time);
358         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
359         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
360                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
361
362         // transparent offset
363         if (renderflags & RF_USETRANSPARENTOFFSET)
364                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
365
366         // model light
367         if (renderflags & RF_MODELLIGHT)
368         {
369                 if (PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->custommodellight_ambient); else VectorClear(entrender->custommodellight_ambient);
370                 if (PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->custommodellight_diffuse); else VectorClear(entrender->custommodellight_diffuse);
371                 if (PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->custommodellight_lightdir);    else VectorClear(entrender->custommodellight_lightdir);
372                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
373         }
374
375         if(renderflags)
376         {
377                 if(renderflags & RF_VIEWMODEL) entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
378                 if(renderflags & RF_EXTERNALMODEL) entrender->flags |= RENDER_EXTERIORMODEL;
379                 if(renderflags & RF_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
380                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
381                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
382                 if(renderflags & RF_DYNAMICMODELLIGHT) entrender->flags |= RENDER_DYNAMICMODELLIGHT;
383         }
384
385         c = (int)PRVM_clientedictfloat(ed, colormap);
386         if (c <= 0)
387                 CL_SetEntityColormapColors(entrender, -1);
388         else if (c <= cl.maxclients && cl.scores != NULL)
389                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
390         else
391                 CL_SetEntityColormapColors(entrender, c);
392
393         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
394         // either fullbright or lit
395         if(!r_fullbright.integer)
396         {
397                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
398                         entrender->flags |= RENDER_LIGHT;
399                 else if(r_equalize_entities_fullbright.integer)
400                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
401         }
402         // hide player shadow during intermission or nehahra movie
403         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
404          &&  (entrender->alpha >= 1)
405          && !(renderflags & RF_NOSHADOW)
406          && !(entrender->flags & RENDER_VIEWMODEL)
407          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
408                 entrender->flags |= RENDER_SHADOW;
409         if (entrender->flags & RENDER_VIEWMODEL)
410                 entrender->flags |= RENDER_NOSELFSHADOW;
411         if (entrender->effects & EF_NOSELFSHADOW)
412                 entrender->flags |= RENDER_NOSELFSHADOW;
413         if (entrender->effects & EF_NODEPTHTEST)
414                 entrender->flags |= RENDER_NODEPTHTEST;
415         if (entrender->effects & EF_ADDITIVE)
416                 entrender->flags |= RENDER_ADDITIVE;
417         if (entrender->effects & EF_DOUBLESIDED)
418                 entrender->flags |= RENDER_DOUBLESIDED;
419         if (entrender->effects & EF_DYNAMICMODELLIGHT)
420                 entrender->flags |= RENDER_DYNAMICMODELLIGHT;
421
422         // make the other useful stuff
423         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
424         CL_UpdateRenderEntity(entrender);
425
426         // override animation data with full control
427         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
428         if (ed->priv.server->skeleton.relativetransforms)
429                 entrender->skeleton = &ed->priv.server->skeleton;
430         else
431                 entrender->skeleton = NULL;
432
433         return true;
434 }
435
436 // 0 = keydown, key, character (EXT_CSQC)
437 // 1 = keyup, key, character (EXT_CSQC)
438 // 2 = mousemove relative, x, y (EXT_CSQC)
439 // 3 = mousemove absolute, x, y (DP_CSQC)
440 qboolean CL_VM_InputEvent (int eventtype, float x, float y)
441 {
442         prvm_prog_t *prog = CLVM_prog;
443         qboolean r;
444
445         if(!cl.csqc_loaded)
446                 return false;
447
448         CSQC_BEGIN
449                 if (!PRVM_clientfunction(CSQC_InputEvent))
450                         r = false;
451                 else
452                 {
453                         PRVM_clientglobalfloat(time) = cl.time;
454                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
455                         PRVM_G_FLOAT(OFS_PARM0) = eventtype;
456                         PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
457                         PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
458                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
459                         r = CSQC_RETURNVAL != 0;
460                 }
461         CSQC_END
462         return r;
463 }
464
465 extern r_refdef_view_t csqc_original_r_refdef_view;
466 extern r_refdef_view_t csqc_main_r_refdef_view;
467 qboolean CL_VM_UpdateView (double frametime)
468 {
469         prvm_prog_t *prog = CLVM_prog;
470         vec3_t emptyvector;
471         emptyvector[0] = 0;
472         emptyvector[1] = 0;
473         emptyvector[2] = 0;
474 //      vec3_t oldangles;
475         if(!cl.csqc_loaded)
476                 return false;
477         R_TimeReport("pre-UpdateView");
478         CSQC_BEGIN
479                 r_refdef.view.ismain = true;
480                 csqc_original_r_refdef_view = r_refdef.view;
481                 csqc_main_r_refdef_view = r_refdef.view;
482                 //VectorCopy(cl.viewangles, oldangles);
483                 PRVM_clientglobalfloat(time) = cl.time;
484                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
485                 CSQC_SetGlobals(frametime);
486                 // clear renderable entity and light lists to prevent crashes if the
487                 // CSQC_UpdateView function does not call R_ClearScene as it should
488                 r_refdef.scene.numentities = 0;
489                 r_refdef.scene.numlights = 0;
490                 // pass in width and height as parameters (EXT_CSQC_1)
491                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
492                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
493                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
494                 //VectorCopy(oldangles, cl.viewangles);
495                 // Dresk : Reset Dmg Globals Here
496                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
497                 r_refdef.view = csqc_main_r_refdef_view;
498                 R_RenderView_UpdateViewVectors(); // we have to do this, as we undid the scene render doing this for us
499         CSQC_END
500
501         R_TimeReport("UpdateView");
502         return true;
503 }
504
505 qboolean CL_VM_ConsoleCommand (const char *cmd)
506 {
507         prvm_prog_t *prog = CLVM_prog;
508         int restorevm_tempstringsbuf_cursize;
509         qboolean r = false;
510         if(!cl.csqc_loaded)
511                 return false;
512         CSQC_BEGIN
513         if (PRVM_clientfunction(CSQC_ConsoleCommand))
514         {
515                 PRVM_clientglobalfloat(time) = cl.time;
516                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
517                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
518                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, cmd);
519                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
520                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
521                 r = CSQC_RETURNVAL != 0;
522         }
523         CSQC_END
524         return r;
525 }
526
527 qboolean CL_VM_Parse_TempEntity (void)
528 {
529         prvm_prog_t *prog = CLVM_prog;
530         int                     t;
531         qboolean        r = false;
532         if(!cl.csqc_loaded)
533                 return false;
534         CSQC_BEGIN
535         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
536         {
537                 t = cl_message.readcount;
538                 PRVM_clientglobalfloat(time) = cl.time;
539                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
540                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
541                 r = CSQC_RETURNVAL != 0;
542                 if(!r)
543                 {
544                         cl_message.readcount = t;
545                         cl_message.badread = false;
546                 }
547         }
548         CSQC_END
549         return r;
550 }
551
552 void CL_VM_Parse_StuffCmd (const char *msg)
553 {
554         prvm_prog_t *prog = CLVM_prog;
555         int restorevm_tempstringsbuf_cursize;
556         if(msg[0] == 'c')
557         if(msg[1] == 's')
558         if(msg[2] == 'q')
559         if(msg[3] == 'c')
560         {
561                 // if this is setting a csqc variable, deprotect csqc_progcrc
562                 // temporarily so that it can be set by the cvar command,
563                 // and then reprotect it afterwards
564                 int crcflags = csqc_progcrc.flags;
565                 int sizeflags = csqc_progcrc.flags;
566                 csqc_progcrc.flags &= ~CVAR_READONLY;
567                 csqc_progsize.flags &= ~CVAR_READONLY;
568                 Cmd_ExecuteString (msg, src_command, true);
569                 csqc_progcrc.flags = crcflags;
570                 csqc_progsize.flags = sizeflags;
571                 return;
572         }
573
574         if(cls.demoplayback)
575         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
576         {
577                 // special handling for map download commands
578                 // run these commands IMMEDIATELY, instead of waiting for a client frame
579                 // that way, there is no black screen when playing back demos
580                 // I know this is a really ugly hack, but I can't think of any better way
581                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
582                 // until all maps are loaded, then remove this hack
583
584                 char buf[MAX_INPUTLINE];
585                 const char *p, *q;
586                 size_t l;
587
588                 p = msg;
589
590                 for(;;)
591                 {
592                         q = strchr(p, '\n');
593                         if(q)
594                                 l = q - p;
595                         else
596                                 l = strlen(p);
597                         if(l > sizeof(buf) - 1)
598                                 l = sizeof(buf) - 1;
599                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
600
601                         Cmd_ExecuteString(buf, src_command, true);
602
603                         p += l;
604                         if(*p == '\n')
605                                 ++p; // skip the newline and continue
606                         else
607                                 break; // end of string or overflow
608                 }
609                 Cmd_ExecuteString("curl --clear_autodownload", src_command, true); // don't inhibit CSQC loading
610                 return;
611         }
612
613         if(!cl.csqc_loaded)
614         {
615                 Cbuf_AddText(msg);
616                 return;
617         }
618         CSQC_BEGIN
619         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
620         {
621                 PRVM_clientglobalfloat(time) = cl.time;
622                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
623                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
624                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
625                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
626                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
627         }
628         else
629                 Cbuf_AddText(msg);
630         CSQC_END
631 }
632
633 static void CL_VM_Parse_Print (const char *msg)
634 {
635         prvm_prog_t *prog = CLVM_prog;
636         int restorevm_tempstringsbuf_cursize;
637         PRVM_clientglobalfloat(time) = cl.time;
638         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
639         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
640         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
641         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
642         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
643 }
644
645 void CSQC_AddPrintText (const char *msg)
646 {
647         prvm_prog_t *prog = CLVM_prog;
648         size_t i;
649         if(!cl.csqc_loaded)
650         {
651                 Con_Print(msg);
652                 return;
653         }
654         CSQC_BEGIN
655         if(PRVM_clientfunction(CSQC_Parse_Print))
656         {
657                 // FIXME: is this bugged?
658                 i = strlen(msg)-1;
659                 if(msg[i] != '\n' && msg[i] != '\r')
660                 {
661                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
662                         {
663                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
664                                 cl.csqc_printtextbuf[0] = 0;
665                         }
666                         else
667                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
668                         return;
669                 }
670                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
671                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
672                 cl.csqc_printtextbuf[0] = 0;
673         }
674         else
675                 Con_Print(msg);
676         CSQC_END
677 }
678
679 void CL_VM_Parse_CenterPrint (const char *msg)
680 {
681         prvm_prog_t *prog = CLVM_prog;
682         int restorevm_tempstringsbuf_cursize;
683         if(!cl.csqc_loaded)
684         {
685                 SCR_CenterPrint(msg);
686                 return;
687         }
688         CSQC_BEGIN
689         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
690         {
691                 PRVM_clientglobalfloat(time) = cl.time;
692                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
693                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
694                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
695                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
696                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
697         }
698         else
699                 SCR_CenterPrint(msg);
700         CSQC_END
701 }
702
703 void CL_VM_UpdateIntermissionState (int intermission)
704 {
705         prvm_prog_t *prog = CLVM_prog;
706         if(cl.csqc_loaded)
707         {
708                 CSQC_BEGIN
709                 PRVM_clientglobalfloat(intermission) = intermission;
710                 CSQC_END
711         }
712 }
713 void CL_VM_UpdateShowingScoresState (int showingscores)
714 {
715         prvm_prog_t *prog = CLVM_prog;
716         if(cl.csqc_loaded)
717         {
718                 CSQC_BEGIN
719                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
720                 CSQC_END
721         }
722 }
723 qboolean CL_VM_Event_Sound(int sound_num, float fvolume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
724 {
725         prvm_prog_t *prog = CLVM_prog;
726         qboolean r = false;
727         if(cl.csqc_loaded)
728         {
729                 CSQC_BEGIN
730                 if(PRVM_clientfunction(CSQC_Event_Sound))
731                 {
732                         PRVM_clientglobalfloat(time) = cl.time;
733                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
734                         PRVM_G_FLOAT(OFS_PARM0) = ent;
735                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
736                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, cl.sound_name[sound_num] );
737                         PRVM_G_FLOAT(OFS_PARM3) = fvolume;
738                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
739                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
740                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
741                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
742                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
743                         r = CSQC_RETURNVAL != 0;
744                 }
745                 CSQC_END
746         }
747
748         return r;
749 }
750 static void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
751 {
752         prvm_prog_t *prog = CLVM_prog;
753         // Avoid global names for clean(er) coding
754         int localcoop;
755         int localdeathmatch;
756
757         if(cl.csqc_loaded)
758         {
759                 if(gametype == GAME_COOP)
760                 {
761                         localcoop = 1;
762                         localdeathmatch = 0;
763                 }
764                 else
765                 if(gametype == GAME_DEATHMATCH)
766                 {
767                         localcoop = 0;
768                         localdeathmatch = 1;
769                 }
770                 else
771                 {
772                         // How did the ServerInfo send an unknown gametype?
773                         // Better just assign the globals as 0...
774                         localcoop = 0;
775                         localdeathmatch = 0;
776                 }
777                 CSQC_BEGIN
778                 PRVM_clientglobalfloat(coop) = localcoop;
779                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
780                 CSQC_END
781         }
782 }
783 #if 0
784 static float CL_VM_Event (float event)          //[515]: needed ? I'd say "YES", but don't know for what :D
785 {
786         prvm_prog_t *prog = CLVM_prog;
787         float r = 0;
788         if(!cl.csqc_loaded)
789                 return 0;
790         CSQC_BEGIN
791         if(PRVM_clientfunction(CSQC_Event))
792         {
793                 PRVM_clientglobalfloat(time) = cl.time;
794                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
795                 PRVM_G_FLOAT(OFS_PARM0) = event;
796                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
797                 r = CSQC_RETURNVAL;
798         }
799         CSQC_END
800         return r;
801 }
802 #endif
803
804 void CSQC_ReadEntities (void)
805 {
806         prvm_prog_t *prog = CLVM_prog;
807         unsigned short entnum, oldself, realentnum;
808         if(!cl.csqc_loaded)
809         {
810                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
811                 return;
812         }
813
814         CSQC_BEGIN
815                 PRVM_clientglobalfloat(time) = cl.time;
816                 oldself = PRVM_clientglobaledict(self);
817                 while(1)
818                 {
819                         entnum = MSG_ReadShort(&cl_message);
820                         if(!entnum || cl_message.badread)
821                                 break;
822                         realentnum = entnum & 0x7FFF;
823                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
824                         if(entnum & 0x8000)
825                         {
826                                 if(PRVM_clientglobaledict(self))
827                                 {
828                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
829                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
830                                 }
831                                 else
832                                 {
833                                         // LordHavoc: removing an entity that is already gone on
834                                         // the csqc side is possible for legitimate reasons (such
835                                         // as a repeat of the remove message), so no warning is
836                                         // needed
837                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
838                                 }
839                         }
840                         else
841                         {
842                                 if(!PRVM_clientglobaledict(self))
843                                 {
844                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
845                                         {
846                                                 prvm_edict_t    *ed;
847                                                 ed = PRVM_ED_Alloc(prog);
848                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
849                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
850                                         }
851                                         else
852                                         {
853                                                 // entity( float entnum ) CSQC_Ent_Spawn;
854                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
855                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
856                                                 // make sure no one gets wrong ideas
857                                                 PRVM_clientglobaledict(self) = 0;
858                                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
859                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
860                                         }
861                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
862                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
863                                 }
864                                 else {
865                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
866                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
867                                 }
868                         }
869                 }
870                 PRVM_clientglobaledict(self) = oldself;
871         CSQC_END
872 }
873
874 static void CLVM_begin_increase_edicts(prvm_prog_t *prog)
875 {
876         // links don't survive the transition, so unlink everything
877         World_UnlinkAll(&cl.world);
878 }
879
880 static void CLVM_end_increase_edicts(prvm_prog_t *prog)
881 {
882         int i;
883         prvm_edict_t *ent;
884
885         // link every entity except world
886         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
887                 if (!ent->priv.server->free)
888                         CL_LinkEdict(ent);
889 }
890
891 static void CLVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
892 {
893         int edictnum = PRVM_NUM_FOR_EDICT(e);
894         entity_render_t *entrender;
895         CL_ExpandCSQCRenderEntities(edictnum);
896         entrender = cl.csqcrenderentities + edictnum;
897         e->priv.server->move = false; // don't move on first frame
898         memset(entrender, 0, sizeof(*entrender));
899         entrender->shadertime = cl.time;
900 }
901
902 static void CLVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
903 {
904         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
905         R_DecalSystem_Reset(&entrender->decalsystem);
906         memset(entrender, 0, sizeof(*entrender));
907         World_UnlinkEdict(ed);
908         memset(ed->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
909         VM_RemoveEdictSkeleton(prog, ed);
910         World_Physics_RemoveFromEntity(&cl.world, ed);
911         World_Physics_RemoveJointFromEntity(&cl.world, ed);
912 }
913
914 static void CLVM_count_edicts(prvm_prog_t *prog)
915 {
916         int             i;
917         prvm_edict_t    *ent;
918         int             active = 0, models = 0, solid = 0;
919
920         for (i=0 ; i<prog->num_edicts ; i++)
921         {
922                 ent = PRVM_EDICT_NUM(i);
923                 if (ent->priv.server->free)
924                         continue;
925                 active++;
926                 if (PRVM_clientedictfloat(ent, solid))
927                         solid++;
928                 if (PRVM_clientedictstring(ent, model))
929                         models++;
930         }
931
932         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
933         Con_Printf("active    :%3i\n", active);
934         Con_Printf("view      :%3i\n", models);
935         Con_Printf("touch     :%3i\n", solid);
936 }
937
938 static qboolean CLVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
939 {
940         return true;
941 }
942
943 // returns true if the packet is valid, false if end of file is reached
944 // used for dumping the CSQC download into demo files
945 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
946 {
947         int packetsize = buf->maxsize - 7; // byte short long
948         int npackets = ((int)len + packetsize - 1) / (packetsize);
949         char vabuf[1024];
950
951         if(protocol == PROTOCOL_QUAKEWORLD)
952                 return false; // CSQC can't run in QW anyway
953
954         SZ_Clear(buf);
955         if(cnt == 0)
956         {
957                 MSG_WriteByte(buf, svc_stufftext);
958                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
959                 return true;
960         }
961         else if(cnt >= 1 && cnt <= npackets)
962         {
963                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
964                 int thispacketsize = (int)len - thispacketoffset;
965                 if(thispacketsize > packetsize)
966                         thispacketsize = packetsize;
967
968                 MSG_WriteByte(buf, svc_downloaddata);
969                 MSG_WriteLong(buf, thispacketoffset);
970                 MSG_WriteShort(buf, thispacketsize);
971                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
972
973                 return true;
974         }
975         else if(cnt == npackets + 1)
976         {
977                 MSG_WriteByte(buf, svc_stufftext);
978                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
979                 return true;
980         }
981         return false;
982 }
983
984 extern cvar_t csqc_usedemoprogs;
985 void CL_VM_Init (void)
986 {
987         prvm_prog_t *prog = CLVM_prog;
988         const char* csprogsfn = NULL;
989         unsigned char *csprogsdata = NULL;
990         fs_offset_t csprogsdatasize = 0;
991         int csprogsdatacrc, requiredcrc;
992         int requiredsize;
993         char vabuf[1024];
994
995         // reset csqc_progcrc after reading it, so that changing servers doesn't
996         // expect csqc on the next server
997         requiredcrc = csqc_progcrc.integer;
998         requiredsize = csqc_progsize.integer;
999         Cvar_SetValueQuick(&csqc_progcrc, -1);
1000         Cvar_SetValueQuick(&csqc_progsize, -1);
1001
1002         // if the server is not requesting a csprogs, then we're done here
1003         if (requiredcrc < 0)
1004                 return;
1005
1006         // see if the requested csprogs.dat file matches the requested crc
1007         if (!cls.demoplayback || csqc_usedemoprogs.integer)
1008         {
1009                 csprogsfn = va(vabuf, sizeof(vabuf), "dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
1010                 if(cls.caughtcsprogsdata && cls.caughtcsprogsdatasize == requiredsize && CRC_Block(cls.caughtcsprogsdata, (size_t)cls.caughtcsprogsdatasize) == requiredcrc)
1011                 {
1012                         Con_DPrintf("Using buffered \"%s\"\n", csprogsfn);
1013                         csprogsdata = cls.caughtcsprogsdata;
1014                         csprogsdatasize = cls.caughtcsprogsdatasize;
1015                         cls.caughtcsprogsdata = NULL;
1016                         cls.caughtcsprogsdatasize = 0;
1017                 }
1018                 else
1019                 {
1020                         Con_DPrintf("Not using buffered \"%s\" (buffered: %p, %d)\n", csprogsfn, cls.caughtcsprogsdata, (int) cls.caughtcsprogsdatasize);
1021                         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1022                 }
1023         }
1024         if (!csprogsdata)
1025         {
1026                 csprogsfn = csqc_progname.string;
1027                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1028         }
1029         if (csprogsdata)
1030         {
1031                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
1032                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
1033                 {
1034                         if (cls.demoplayback)
1035                         {
1036                                 Con_Printf("^1Warning: Your %s is not the same version as the demo was recorded with (CRC/size are %i/%i but should be %i/%i)\n", csqc_progname.string, csprogsdatacrc, (int)csprogsdatasize, requiredcrc, requiredsize);
1037                                 // Mem_Free(csprogsdata);
1038                                 // return;
1039                                 // We WANT to continue here, and play the demo with different csprogs!
1040                                 // After all, this is just a warning. Sure things may go wrong from here.
1041                         }
1042                         else
1043                         {
1044                                 Mem_Free(csprogsdata);
1045                                 Con_Printf("^1Your %s is not the same version as the server (CRC is %i/%i but should be %i/%i)\n", csqc_progname.string, csprogsdatacrc, (int)csprogsdatasize, requiredcrc, requiredsize);
1046                                 CL_Disconnect();
1047                                 return;
1048                         }
1049                 }
1050         }
1051         else
1052         {
1053                 if (requiredcrc >= 0)
1054                 {
1055                         if (cls.demoplayback)
1056                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1057                         else
1058                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1059                         CL_Disconnect();
1060                 }
1061                 return;
1062         }
1063
1064         PRVM_Prog_Init(prog);
1065
1066         // allocate the mempools
1067         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1068         prog->edictprivate_size = 0; // no private struct used
1069         prog->name = "client";
1070         prog->num_edicts = 1;
1071         prog->max_edicts = 512;
1072         prog->limit_edicts = CL_MAX_EDICTS;
1073         prog->reserved_edicts = 0;
1074         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1075         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1076         prog->extensionstring = vm_sv_extensions;
1077         prog->builtins = vm_cl_builtins;
1078         prog->numbuiltins = vm_cl_numbuiltins;
1079
1080         // all callbacks must be defined (pointers are not checked before calling)
1081         prog->begin_increase_edicts = CLVM_begin_increase_edicts;
1082         prog->end_increase_edicts   = CLVM_end_increase_edicts;
1083         prog->init_edict            = CLVM_init_edict;
1084         prog->free_edict            = CLVM_free_edict;
1085         prog->count_edicts          = CLVM_count_edicts;
1086         prog->load_edict            = CLVM_load_edict;
1087         prog->init_cmd              = CLVM_init_cmd;
1088         prog->reset_cmd             = CLVM_reset_cmd;
1089         prog->error_cmd             = Host_Error;
1090         prog->ExecuteProgram        = CLVM_ExecuteProgram;
1091
1092         PRVM_Prog_Load(prog, csprogsfn, csprogsdata, csprogsdatasize, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1093
1094         if (!prog->loaded)
1095         {
1096                 Host_Error("CSQC %s ^2failed to load\n", csprogsfn);
1097                 if(!sv.active)
1098                         CL_Disconnect();
1099                 Mem_Free(csprogsdata);
1100                 return;
1101         }
1102
1103         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1104
1105         if(cls.demorecording)
1106         {
1107                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1108                 {
1109                         int i;
1110                         static char buf[NET_MAXMESSAGE];
1111                         sizebuf_t sb;
1112                         unsigned char *demobuf; fs_offset_t demofilesize;
1113
1114                         sb.data = (unsigned char *) buf;
1115                         sb.maxsize = sizeof(buf);
1116                         i = 0;
1117
1118                         CL_CutDemo(&demobuf, &demofilesize);
1119                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1120                                 CL_WriteDemoMessage(&sb);
1121                         CL_PasteDemo(&demobuf, &demofilesize);
1122
1123                         cls.demo_lastcsprogssize = csprogsdatasize;
1124                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1125                 }
1126         }
1127         Mem_Free(csprogsdata);
1128
1129         // check if OP_STATE animation is possible in this dat file
1130         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1131                 prog->flag |= PRVM_OP_STATE;
1132
1133         // set time
1134         PRVM_clientglobalfloat(time) = cl.time;
1135         PRVM_clientglobaledict(self) = 0;
1136
1137         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(prog, cl.worldname);
1138         PRVM_clientglobalfloat(player_localnum) = cl.realplayerentity - 1;
1139         PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
1140
1141         // set map description (use world entity 0)
1142         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(prog, cl.worldmessage);
1143         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1144         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1145         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, absmin));
1146         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, absmax));
1147
1148         // call the prog init
1149         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1150
1151         // Once CSQC_Init was called, we consider csqc code fully initialized.
1152         prog->inittime = realtime;
1153
1154         cl.csqc_loaded = true;
1155
1156         cl.csqc_vidvars.drawcrosshair = false;
1157         cl.csqc_vidvars.drawenginesbar = false;
1158
1159         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1160         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1161 }
1162
1163 void CL_VM_ShutDown (void)
1164 {
1165         prvm_prog_t *prog = CLVM_prog;
1166         Cmd_ClearCsqcFuncs();
1167         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1168         //Cvar_SetValueQuick(&csqc_progsize, -1);
1169         if(!cl.csqc_loaded)
1170                 return;
1171         CSQC_BEGIN
1172                 if (prog->loaded)
1173                 {
1174                         PRVM_clientglobalfloat(time) = cl.time;
1175                         PRVM_clientglobaledict(self) = 0;
1176                         if (PRVM_clientfunction(CSQC_Shutdown))
1177                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1178                 }
1179                 PRVM_Prog_Reset(prog);
1180         CSQC_END
1181         Con_DPrint("CSQC ^1unloaded\n");
1182         cl.csqc_loaded = false;
1183 }
1184
1185 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1186 {
1187         prvm_prog_t *prog = CLVM_prog;
1188         prvm_edict_t *ed;
1189         dp_model_t *mod;
1190         matrix4x4_t matrix;
1191         qboolean r = 0;
1192
1193         CSQC_BEGIN;
1194
1195         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1196
1197         if(!ed->priv.required->free)
1198         {
1199                 mod = CL_GetModelFromEdict(ed);
1200                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1201                 if(CL_GetTagMatrix(prog, &matrix, ed, 0, NULL) == 0)
1202                         Matrix4x4_OriginFromMatrix(&matrix, out);
1203                 if (mod && mod->soundfromcenter)
1204                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1205                 r = 1;
1206         }
1207
1208         CSQC_END;
1209
1210         return r;
1211 }
1212
1213 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1214 {
1215         prvm_prog_t *prog = CLVM_prog;
1216         qboolean ret = false;
1217         prvm_edict_t *ed;
1218         vec3_t forward, left, up, origin, ang;
1219         matrix4x4_t mat, matq;
1220
1221         CSQC_BEGIN
1222                 ed = PRVM_EDICT_NUM(entnum);
1223                 // camera:
1224                 //   camera_transform
1225                 if(PRVM_clientedictfunction(ed, camera_transform))
1226                 {
1227                         ret = true;
1228                         if(viewmatrix && clipplane && visorigin)
1229                         {
1230                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1231                                 AnglesFromVectors(ang, forward, up, false);
1232                                 PRVM_clientglobalfloat(time) = cl.time;
1233                                 PRVM_clientglobaledict(self) = entnum;
1234                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1235                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1236                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1237                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1238                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1239                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1240                                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1241                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1242                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1243                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1244                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1245                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1246                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1247                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1248                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1249                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, clipplane->normal_and_dist);
1250                         }
1251                 }
1252         CSQC_END
1253
1254         return ret;
1255 }
1256
1257 int CL_VM_GetViewEntity(void)
1258 {
1259         if(cl.csqc_server2csqcentitynumber[cl.viewentity])
1260                 return cl.csqc_server2csqcentitynumber[cl.viewentity] + MAX_EDICTS;
1261         return cl.viewentity;
1262 }