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Implement experimental hook-like system, with working example.
[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                 // LadyHavoc: 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 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
290 {
291         prvm_prog_t *prog = CLVM_prog;
292         int renderflags;
293         int c;
294         float scale;
295         entity_render_t *entrender;
296         dp_model_t *model;
297         prvm_vec3_t modellight_origin;
298
299         model = CL_GetModelFromEdict(ed);
300         if (!model)
301                 return false;
302
303         if (edictnum)
304         {
305                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
306                         return false;
307                 entrender = cl.csqcrenderentities + edictnum;
308                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
309                 entrender->entitynumber = edictnum + MAX_EDICTS;
310                 //entrender->shadertime = 0; // shadertime was set by spawn()
311                 entrender->flags = 0;
312                 entrender->effects = 0;
313                 entrender->alpha = 1;
314                 entrender->scale = 1;
315                 VectorSet(entrender->colormod, 1, 1, 1);
316                 VectorSet(entrender->glowmod, 1, 1, 1);
317                 entrender->allowdecals = true;
318         }
319         else
320         {
321                 entrender = CL_NewTempEntity(0);
322                 if (!entrender)
323                         return false;
324         }
325
326         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
327         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
328         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
329         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
330
331         entrender->model = model;
332         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
333         entrender->effects |= entrender->model->effects;
334         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
335         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
336         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
337         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
338         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
339         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
340         if (!entrender->alpha)
341                 entrender->alpha = 1.0f;
342         if (!entrender->scale)
343                 entrender->scale = scale = 1.0f;
344         if (!VectorLength2(entrender->colormod))
345                 VectorSet(entrender->colormod, 1, 1, 1);
346         if (!VectorLength2(entrender->glowmod))
347                 VectorSet(entrender->glowmod, 1, 1, 1);
348
349         // LadyHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
350         // this also sets the custommodellight_origin for us
351         CL_GetTagMatrix(prog, &entrender->matrix, ed, 0, modellight_origin);
352         VectorCopy(modellight_origin, entrender->custommodellight_origin);
353
354         // set up the animation data
355         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
356         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, cl.time);
357         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
358         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
359                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
360
361         // transparent offset
362         if (renderflags & RF_USETRANSPARENTOFFSET)
363                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
364
365         // model light
366         if (renderflags & RF_MODELLIGHT)
367         {
368                 if (PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->custommodellight_ambient); else VectorClear(entrender->custommodellight_ambient);
369                 if (PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->custommodellight_diffuse); else VectorClear(entrender->custommodellight_diffuse);
370                 if (PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->custommodellight_lightdir);    else VectorClear(entrender->custommodellight_lightdir);
371                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
372         }
373
374         if(renderflags)
375         {
376                 if(renderflags & RF_VIEWMODEL) entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
377                 if(renderflags & RF_EXTERNALMODEL) entrender->flags |= RENDER_EXTERIORMODEL;
378                 if(renderflags & RF_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
379                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
380                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
381                 if(renderflags & RF_DYNAMICMODELLIGHT) entrender->flags |= RENDER_DYNAMICMODELLIGHT;
382         }
383
384         c = (int)PRVM_clientedictfloat(ed, colormap);
385         if (c <= 0)
386                 CL_SetEntityColormapColors(entrender, -1);
387         else if (c <= cl.maxclients && cl.scores != NULL)
388                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
389         else
390                 CL_SetEntityColormapColors(entrender, c);
391
392         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
393         // either fullbright or lit
394         if(!r_fullbright.integer)
395         {
396                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
397                         entrender->flags |= RENDER_LIGHT;
398         }
399         // hide player shadow during intermission or nehahra movie
400         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
401          &&  (entrender->alpha >= 1)
402          && !(renderflags & RF_NOSHADOW)
403          && !(entrender->flags & RENDER_VIEWMODEL)
404          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
405                 entrender->flags |= RENDER_SHADOW;
406         if (entrender->flags & RENDER_VIEWMODEL)
407                 entrender->flags |= RENDER_NOSELFSHADOW;
408         if (entrender->effects & EF_NOSELFSHADOW)
409                 entrender->flags |= RENDER_NOSELFSHADOW;
410         if (entrender->effects & EF_NODEPTHTEST)
411                 entrender->flags |= RENDER_NODEPTHTEST;
412         if (entrender->effects & EF_ADDITIVE)
413                 entrender->flags |= RENDER_ADDITIVE;
414         if (entrender->effects & EF_DOUBLESIDED)
415                 entrender->flags |= RENDER_DOUBLESIDED;
416         if (entrender->effects & EF_DYNAMICMODELLIGHT)
417                 entrender->flags |= RENDER_DYNAMICMODELLIGHT;
418
419         // make the other useful stuff
420         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
421         CL_UpdateRenderEntity(entrender);
422
423         // override animation data with full control
424         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
425         if (ed->priv.server->skeleton.relativetransforms)
426                 entrender->skeleton = &ed->priv.server->skeleton;
427         else
428                 entrender->skeleton = NULL;
429
430         return true;
431 }
432
433 // 0 = keydown, key, character (EXT_CSQC)
434 // 1 = keyup, key, character (EXT_CSQC)
435 // 2 = mousemove relative, x, y (EXT_CSQC)
436 // 3 = mousemove absolute, x, y (DP_CSQC)
437 qboolean CL_VM_InputEvent (int eventtype, float x, float y)
438 {
439         prvm_prog_t *prog = CLVM_prog;
440         qboolean r;
441
442         if(!cl.csqc_loaded)
443                 return false;
444
445         CSQC_BEGIN
446                 if (!PRVM_clientfunction(CSQC_InputEvent))
447                         r = false;
448                 else
449                 {
450                         PRVM_clientglobalfloat(time) = cl.time;
451                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
452                         PRVM_G_FLOAT(OFS_PARM0) = eventtype;
453                         PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
454                         PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
455                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
456                         r = CSQC_RETURNVAL != 0;
457                 }
458         CSQC_END
459         return r;
460 }
461
462 extern r_refdef_view_t csqc_original_r_refdef_view;
463 extern r_refdef_view_t csqc_main_r_refdef_view;
464 qboolean CL_VM_UpdateView (double frametime)
465 {
466         prvm_prog_t *prog = CLVM_prog;
467         vec3_t emptyvector;
468         emptyvector[0] = 0;
469         emptyvector[1] = 0;
470         emptyvector[2] = 0;
471 //      vec3_t oldangles;
472         if(!cl.csqc_loaded)
473                 return false;
474         R_TimeReport("pre-UpdateView");
475         CSQC_BEGIN
476                 csqc_original_r_refdef_view = r_refdef.view;
477                 csqc_main_r_refdef_view = r_refdef.view;
478                 //VectorCopy(cl.viewangles, oldangles);
479                 PRVM_clientglobalfloat(time) = cl.time;
480                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
481                 CSQC_SetGlobals(frametime);
482                 // clear renderable entity and light lists to prevent crashes if the
483                 // CSQC_UpdateView function does not call R_ClearScene as it should
484                 r_refdef.scene.numentities = 0;
485                 r_refdef.scene.numlights = 0;
486                 // polygonbegin without draw2d arg has to guess
487                 prog->polygonbegin_guess2d = false;
488                 // free memory for resources that are no longer referenced
489                 PRVM_GarbageCollection(prog);
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 hook_t *csqc_concmd;
506
507 qboolean CL_VM_ConsoleCommand (hook_val_t *arg)
508 {
509         prvm_prog_t *prog = CLVM_prog;
510         int restorevm_tempstringsbuf_cursize;
511         qboolean r = false;
512         if(!cl.csqc_loaded)
513                 return false;
514         CSQC_BEGIN
515         if (PRVM_clientfunction(CSQC_ConsoleCommand))
516         {
517                 PRVM_clientglobalfloat(time) = cl.time;
518                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
519                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
520                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, arg->str);
521                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
522                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
523                 r = CSQC_RETURNVAL != 0;
524         }
525         CSQC_END
526         return r;
527 }
528
529 qboolean CL_VM_Parse_TempEntity (void)
530 {
531         prvm_prog_t *prog = CLVM_prog;
532         int                     t;
533         qboolean        r = false;
534         if(!cl.csqc_loaded)
535                 return false;
536         CSQC_BEGIN
537         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
538         {
539                 t = cl_message.readcount;
540                 PRVM_clientglobalfloat(time) = cl.time;
541                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
542                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
543                 r = CSQC_RETURNVAL != 0;
544                 if(!r)
545                 {
546                         cl_message.readcount = t;
547                         cl_message.badread = false;
548                 }
549         }
550         CSQC_END
551         return r;
552 }
553
554 void CL_VM_Parse_StuffCmd (const char *msg)
555 {
556         prvm_prog_t *prog = CLVM_prog;
557         int restorevm_tempstringsbuf_cursize;
558         if(msg[0] == 'c')
559         if(msg[1] == 's')
560         if(msg[2] == 'q')
561         if(msg[3] == 'c')
562         {
563                 // if this is setting a csqc variable, deprotect csqc_progcrc
564                 // temporarily so that it can be set by the cvar command,
565                 // and then reprotect it afterwards
566                 int crcflags = csqc_progcrc.flags;
567                 int sizeflags = csqc_progcrc.flags;
568                 csqc_progcrc.flags &= ~CVAR_READONLY;
569                 csqc_progsize.flags &= ~CVAR_READONLY;
570                 Cmd_ExecuteString(&cmd_clientfromserver, msg, src_command, true);
571                 csqc_progcrc.flags = crcflags;
572                 csqc_progsize.flags = sizeflags;
573                 return;
574         }
575
576         if(cls.demoplayback)
577         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
578         {
579                 // special handling for map download commands
580                 // run these commands IMMEDIATELY, instead of waiting for a client frame
581                 // that way, there is no black screen when playing back demos
582                 // I know this is a really ugly hack, but I can't think of any better way
583                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
584                 // until all maps are loaded, then remove this hack
585
586                 char buf[MAX_INPUTLINE];
587                 const char *p, *q;
588                 size_t l;
589
590                 p = msg;
591
592                 for(;;)
593                 {
594                         q = strchr(p, '\n');
595                         if(q)
596                                 l = q - p;
597                         else
598                                 l = strlen(p);
599                         if(l > sizeof(buf) - 1)
600                                 l = sizeof(buf) - 1;
601                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
602
603                         Cmd_ExecuteString(&cmd_clientfromserver, buf, src_command, true);
604
605                         p += l;
606                         if(*p == '\n')
607                                 ++p; // skip the newline and continue
608                         else
609                                 break; // end of string or overflow
610                 }
611                 Cmd_ExecuteString(&cmd_clientfromserver, "curl --clear_autodownload", src_command, true); // don't inhibit CSQC loading
612                 return;
613         }
614
615         if(!cl.csqc_loaded)
616         {
617                 Cbuf_AddText(&cmd_clientfromserver, msg);
618                 return;
619         }
620         CSQC_BEGIN
621         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
622         {
623                 PRVM_clientglobalfloat(time) = cl.time;
624                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
625                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
626                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
627                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
628                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
629         }
630         else
631                 Cbuf_AddText(&cmd_clientfromserver, msg);
632         CSQC_END
633 }
634
635 static void CL_VM_Parse_Print (const char *msg)
636 {
637         prvm_prog_t *prog = CLVM_prog;
638         int restorevm_tempstringsbuf_cursize;
639         PRVM_clientglobalfloat(time) = cl.time;
640         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
641         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
642         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
643         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
644         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
645 }
646
647 void CSQC_AddPrintText (const char *msg)
648 {
649         prvm_prog_t *prog = CLVM_prog;
650         size_t i;
651         if(!cl.csqc_loaded)
652         {
653                 Con_Print(msg);
654                 return;
655         }
656         CSQC_BEGIN
657         if(PRVM_clientfunction(CSQC_Parse_Print))
658         {
659                 // FIXME: is this bugged?
660                 i = strlen(msg)-1;
661                 if(msg[i] != '\n' && msg[i] != '\r')
662                 {
663                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
664                         {
665                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
666                                 cl.csqc_printtextbuf[0] = 0;
667                         }
668                         else
669                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
670                         return;
671                 }
672                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
673                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
674                 cl.csqc_printtextbuf[0] = 0;
675         }
676         else
677                 Con_Print(msg);
678         CSQC_END
679 }
680
681 void CL_VM_Parse_CenterPrint (const char *msg)
682 {
683         prvm_prog_t *prog = CLVM_prog;
684         int restorevm_tempstringsbuf_cursize;
685         if(!cl.csqc_loaded)
686         {
687                 SCR_CenterPrint(msg);
688                 return;
689         }
690         CSQC_BEGIN
691         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
692         {
693                 PRVM_clientglobalfloat(time) = cl.time;
694                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
695                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
696                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
697                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
698                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
699         }
700         else
701                 SCR_CenterPrint(msg);
702         CSQC_END
703 }
704
705 void CL_VM_UpdateIntermissionState (int intermission)
706 {
707         prvm_prog_t *prog = CLVM_prog;
708         if(cl.csqc_loaded)
709         {
710                 CSQC_BEGIN
711                 PRVM_clientglobalfloat(intermission) = intermission;
712                 CSQC_END
713         }
714 }
715 void CL_VM_UpdateShowingScoresState (int showingscores)
716 {
717         prvm_prog_t *prog = CLVM_prog;
718         if(cl.csqc_loaded)
719         {
720                 CSQC_BEGIN
721                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
722                 CSQC_END
723         }
724 }
725 qboolean CL_VM_Event_Sound(int sound_num, float fvolume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
726 {
727         prvm_prog_t *prog = CLVM_prog;
728         qboolean r = false;
729         if(cl.csqc_loaded)
730         {
731                 CSQC_BEGIN
732                 if(PRVM_clientfunction(CSQC_Event_Sound))
733                 {
734                         PRVM_clientglobalfloat(time) = cl.time;
735                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
736                         PRVM_G_FLOAT(OFS_PARM0) = ent;
737                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
738                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, cl.sound_name[sound_num] );
739                         PRVM_G_FLOAT(OFS_PARM3) = fvolume;
740                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
741                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
742                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
743                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
744                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
745                         r = CSQC_RETURNVAL != 0;
746                 }
747                 CSQC_END
748         }
749
750         return r;
751 }
752 static void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
753 {
754         prvm_prog_t *prog = CLVM_prog;
755         // Avoid global names for clean(er) coding
756         int localcoop;
757         int localdeathmatch;
758
759         if(cl.csqc_loaded)
760         {
761                 if(gametype == GAME_COOP)
762                 {
763                         localcoop = 1;
764                         localdeathmatch = 0;
765                 }
766                 else
767                 if(gametype == GAME_DEATHMATCH)
768                 {
769                         localcoop = 0;
770                         localdeathmatch = 1;
771                 }
772                 else
773                 {
774                         // How did the ServerInfo send an unknown gametype?
775                         // Better just assign the globals as 0...
776                         localcoop = 0;
777                         localdeathmatch = 0;
778                 }
779                 CSQC_BEGIN
780                 PRVM_clientglobalfloat(coop) = localcoop;
781                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
782                 CSQC_END
783         }
784 }
785 #if 0
786 static float CL_VM_Event (float event)          //[515]: needed ? I'd say "YES", but don't know for what :D
787 {
788         prvm_prog_t *prog = CLVM_prog;
789         float r = 0;
790         if(!cl.csqc_loaded)
791                 return 0;
792         CSQC_BEGIN
793         if(PRVM_clientfunction(CSQC_Event))
794         {
795                 PRVM_clientglobalfloat(time) = cl.time;
796                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
797                 PRVM_G_FLOAT(OFS_PARM0) = event;
798                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
799                 r = CSQC_RETURNVAL;
800         }
801         CSQC_END
802         return r;
803 }
804 #endif
805
806 void CSQC_ReadEntities (void)
807 {
808         prvm_prog_t *prog = CLVM_prog;
809         unsigned short entnum, oldself, realentnum;
810         if(!cl.csqc_loaded)
811         {
812                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
813                 return;
814         }
815
816         CSQC_BEGIN
817                 PRVM_clientglobalfloat(time) = cl.time;
818                 oldself = PRVM_clientglobaledict(self);
819                 while(1)
820                 {
821                         entnum = MSG_ReadShort(&cl_message);
822                         if(!entnum || cl_message.badread)
823                                 break;
824                         realentnum = entnum & 0x7FFF;
825                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
826                         if(entnum & 0x8000)
827                         {
828                                 if(PRVM_clientglobaledict(self))
829                                 {
830                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
831                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
832                                 }
833                                 else
834                                 {
835                                         // LadyHavoc: removing an entity that is already gone on
836                                         // the csqc side is possible for legitimate reasons (such
837                                         // as a repeat of the remove message), so no warning is
838                                         // needed
839                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
840                                 }
841                         }
842                         else
843                         {
844                                 if(!PRVM_clientglobaledict(self))
845                                 {
846                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
847                                         {
848                                                 prvm_edict_t    *ed;
849                                                 ed = PRVM_ED_Alloc(prog);
850                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
851                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
852                                         }
853                                         else
854                                         {
855                                                 // entity( float entnum ) CSQC_Ent_Spawn;
856                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
857                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
858                                                 // make sure no one gets wrong ideas
859                                                 PRVM_clientglobaledict(self) = 0;
860                                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
861                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
862                                         }
863                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
864                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
865                                 }
866                                 else {
867                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
868                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
869                                 }
870                         }
871                 }
872                 PRVM_clientglobaledict(self) = oldself;
873         CSQC_END
874 }
875
876 static void CLVM_begin_increase_edicts(prvm_prog_t *prog)
877 {
878         // links don't survive the transition, so unlink everything
879         World_UnlinkAll(&cl.world);
880 }
881
882 static void CLVM_end_increase_edicts(prvm_prog_t *prog)
883 {
884         int i;
885         prvm_edict_t *ent;
886
887         // link every entity except world
888         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
889                 if (!ent->priv.server->free && !VectorCompare(PRVM_clientedictvector(ent, absmin), PRVM_clientedictvector(ent, absmax)))
890                         CL_LinkEdict(ent);
891 }
892
893 static void CLVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
894 {
895         int edictnum = PRVM_NUM_FOR_EDICT(e);
896         entity_render_t *entrender;
897         CL_ExpandCSQCRenderEntities(edictnum);
898         entrender = cl.csqcrenderentities + edictnum;
899         e->priv.server->move = false; // don't move on first frame
900         memset(entrender, 0, sizeof(*entrender));
901         entrender->shadertime = cl.time;
902 }
903
904 static void CLVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
905 {
906         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
907         R_DecalSystem_Reset(&entrender->decalsystem);
908         memset(entrender, 0, sizeof(*entrender));
909         World_UnlinkEdict(ed);
910         memset(ed->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
911         VM_RemoveEdictSkeleton(prog, ed);
912         World_Physics_RemoveFromEntity(&cl.world, ed);
913         World_Physics_RemoveJointFromEntity(&cl.world, ed);
914 }
915
916 static void CLVM_count_edicts(prvm_prog_t *prog)
917 {
918         int             i;
919         prvm_edict_t    *ent;
920         int             active = 0, models = 0, solid = 0;
921
922         for (i=0 ; i<prog->num_edicts ; i++)
923         {
924                 ent = PRVM_EDICT_NUM(i);
925                 if (ent->priv.server->free)
926                         continue;
927                 active++;
928                 if (PRVM_clientedictfloat(ent, solid))
929                         solid++;
930                 if (PRVM_clientedictstring(ent, model))
931                         models++;
932         }
933
934         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
935         Con_Printf("active    :%3i\n", active);
936         Con_Printf("view      :%3i\n", models);
937         Con_Printf("touch     :%3i\n", solid);
938 }
939
940 static qboolean CLVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
941 {
942         return true;
943 }
944
945 // returns true if the packet is valid, false if end of file is reached
946 // used for dumping the CSQC download into demo files
947 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
948 {
949         int packetsize = buf->maxsize - 7; // byte short long
950         int npackets = ((int)len + packetsize - 1) / (packetsize);
951         char vabuf[1024];
952
953         if(protocol == PROTOCOL_QUAKEWORLD)
954                 return false; // CSQC can't run in QW anyway
955
956         SZ_Clear(buf);
957         if(cnt == 0)
958         {
959                 MSG_WriteByte(buf, svc_stufftext);
960                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
961                 return true;
962         }
963         else if(cnt >= 1 && cnt <= npackets)
964         {
965                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
966                 int thispacketsize = (int)len - thispacketoffset;
967                 if(thispacketsize > packetsize)
968                         thispacketsize = packetsize;
969
970                 MSG_WriteByte(buf, svc_downloaddata);
971                 MSG_WriteLong(buf, thispacketoffset);
972                 MSG_WriteShort(buf, thispacketsize);
973                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
974
975                 return true;
976         }
977         else if(cnt == npackets + 1)
978         {
979                 MSG_WriteByte(buf, svc_stufftext);
980                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
981                 return true;
982         }
983         return false;
984 }
985
986 extern cvar_t csqc_usedemoprogs;
987 void CL_VM_Init (void)
988 {
989         prvm_prog_t *prog = CLVM_prog;
990         const char* csprogsfn = NULL;
991         unsigned char *csprogsdata = NULL;
992         fs_offset_t csprogsdatasize = 0;
993         int csprogsdatacrc, requiredcrc;
994         int requiredsize;
995         char vabuf[1024];
996
997         // reset csqc_progcrc after reading it, so that changing servers doesn't
998         // expect csqc on the next server
999         requiredcrc = csqc_progcrc.integer;
1000         requiredsize = csqc_progsize.integer;
1001         Cvar_SetValueQuick(&csqc_progcrc, -1);
1002         Cvar_SetValueQuick(&csqc_progsize, -1);
1003
1004         // if the server is not requesting a csprogs, then we're done here
1005         if (requiredcrc < 0)
1006                 return;
1007
1008         // see if the requested csprogs.dat file matches the requested crc
1009         if (!cls.demoplayback || csqc_usedemoprogs.integer)
1010         {
1011                 csprogsfn = va(vabuf, sizeof(vabuf), "dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
1012                 if(cls.caughtcsprogsdata && cls.caughtcsprogsdatasize == requiredsize && CRC_Block(cls.caughtcsprogsdata, (size_t)cls.caughtcsprogsdatasize) == requiredcrc)
1013                 {
1014                         Con_DPrintf("Using buffered \"%s\"\n", csprogsfn);
1015                         csprogsdata = cls.caughtcsprogsdata;
1016                         csprogsdatasize = cls.caughtcsprogsdatasize;
1017                         cls.caughtcsprogsdata = NULL;
1018                         cls.caughtcsprogsdatasize = 0;
1019                 }
1020                 else
1021                 {
1022                         Con_DPrintf("Not using buffered \"%s\" (buffered: %p, %d)\n", csprogsfn, cls.caughtcsprogsdata, (int) cls.caughtcsprogsdatasize);
1023                         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1024                 }
1025         }
1026         if (!csprogsdata)
1027         {
1028                 csprogsfn = csqc_progname.string;
1029                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1030         }
1031         if (csprogsdata)
1032         {
1033                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
1034                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
1035                 {
1036                         if (cls.demoplayback)
1037                         {
1038                                 Con_Warnf("Warning: 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);
1039                                 // Mem_Free(csprogsdata);
1040                                 // return;
1041                                 // We WANT to continue here, and play the demo with different csprogs!
1042                                 // After all, this is just a warning. Sure things may go wrong from here.
1043                         }
1044                         else
1045                         {
1046                                 Mem_Free(csprogsdata);
1047                                 Con_Errorf("Your %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);
1048                                 CL_Disconnect();
1049                                 return;
1050                         }
1051                 }
1052         }
1053         else
1054         {
1055                 if (requiredcrc >= 0)
1056                 {
1057                         if (cls.demoplayback)
1058                                 Con_Errorf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1059                         else
1060                                 Con_Errorf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1061                         CL_Disconnect();
1062                 }
1063                 return;
1064         }
1065
1066         PRVM_Prog_Init(prog, &cmd_client);
1067
1068         // allocate the mempools
1069         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1070         prog->edictprivate_size = 0; // no private struct used
1071         prog->name = "client";
1072         prog->num_edicts = 1;
1073         prog->max_edicts = 512;
1074         prog->limit_edicts = CL_MAX_EDICTS;
1075         prog->reserved_edicts = 0;
1076         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1077         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1078         prog->extensionstring = vm_sv_extensions;
1079         prog->builtins = vm_cl_builtins;
1080         prog->numbuiltins = vm_cl_numbuiltins;
1081
1082         // all callbacks must be defined (pointers are not checked before calling)
1083         prog->begin_increase_edicts = CLVM_begin_increase_edicts;
1084         prog->end_increase_edicts   = CLVM_end_increase_edicts;
1085         prog->init_edict            = CLVM_init_edict;
1086         prog->free_edict            = CLVM_free_edict;
1087         prog->count_edicts          = CLVM_count_edicts;
1088         prog->load_edict            = CLVM_load_edict;
1089         prog->init_cmd              = CLVM_init_cmd;
1090         prog->reset_cmd             = CLVM_reset_cmd;
1091         prog->error_cmd             = Host_Error;
1092         prog->ExecuteProgram        = CLVM_ExecuteProgram;
1093
1094         PRVM_Prog_Load(prog, csprogsfn, csprogsdata, csprogsdatasize, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1095
1096         if (!prog->loaded)
1097         {
1098                 Host_Error("CSQC %s failed to load\n", csprogsfn);
1099                 if(!sv.active)
1100                         CL_Disconnect();
1101                 Mem_Free(csprogsdata);
1102                 return;
1103         }
1104
1105         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1106
1107         if(cls.demorecording)
1108         {
1109                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1110                 {
1111                         int i;
1112                         static char buf[NET_MAXMESSAGE];
1113                         sizebuf_t sb;
1114                         unsigned char *demobuf; fs_offset_t demofilesize;
1115
1116                         sb.data = (unsigned char *) buf;
1117                         sb.maxsize = sizeof(buf);
1118                         i = 0;
1119
1120                         CL_CutDemo(&demobuf, &demofilesize);
1121                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1122                                 CL_WriteDemoMessage(&sb);
1123                         CL_PasteDemo(&demobuf, &demofilesize);
1124
1125                         cls.demo_lastcsprogssize = csprogsdatasize;
1126                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1127                 }
1128         }
1129         Mem_Free(csprogsdata);
1130
1131         // check if OP_STATE animation is possible in this dat file
1132         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1133                 prog->flag |= PRVM_OP_STATE;
1134
1135         // set time
1136         PRVM_clientglobalfloat(time) = cl.time;
1137         PRVM_clientglobaledict(self) = 0;
1138
1139         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(prog, cl.worldname);
1140         PRVM_clientglobalfloat(player_localnum) = cl.realplayerentity - 1;
1141         PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
1142
1143         // set map description (use world entity 0)
1144         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(prog, cl.worldmessage);
1145         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1146         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1147         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, absmin));
1148         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, absmax));
1149
1150         // call the prog init
1151         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1152
1153         // Once CSQC_Init was called, we consider csqc code fully initialized.
1154         prog->inittime = realtime;
1155
1156         cl.csqc_loaded = true;
1157
1158         cl.csqc_vidvars.drawcrosshair = false;
1159         cl.csqc_vidvars.drawenginesbar = false;
1160
1161         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1162         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1163 }
1164
1165 void CL_VM_ShutDown (void)
1166 {
1167         prvm_prog_t *prog = CLVM_prog;
1168         Cmd_ClearCSQCCommands(&cmd_client);
1169         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1170         //Cvar_SetValueQuick(&csqc_progsize, -1);
1171         if(!cl.csqc_loaded)
1172                 return;
1173         CSQC_BEGIN
1174                 if (prog->loaded)
1175                 {
1176                         PRVM_clientglobalfloat(time) = cl.time;
1177                         PRVM_clientglobaledict(self) = 0;
1178                         if (PRVM_clientfunction(CSQC_Shutdown))
1179                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1180                 }
1181                 PRVM_Prog_Reset(prog);
1182         CSQC_END
1183         Con_DPrint("CSQC ^1unloaded\n");
1184         cl.csqc_loaded = false;
1185 }
1186
1187 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1188 {
1189         prvm_prog_t *prog = CLVM_prog;
1190         prvm_edict_t *ed;
1191         dp_model_t *mod;
1192         matrix4x4_t matrix;
1193         qboolean r = 0;
1194
1195         CSQC_BEGIN;
1196
1197         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1198
1199         if(!ed->priv.required->free)
1200         {
1201                 mod = CL_GetModelFromEdict(ed);
1202                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1203                 if(CL_GetTagMatrix(prog, &matrix, ed, 0, NULL) == 0)
1204                         Matrix4x4_OriginFromMatrix(&matrix, out);
1205                 if (mod && mod->soundfromcenter)
1206                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1207                 r = 1;
1208         }
1209
1210         CSQC_END;
1211
1212         return r;
1213 }
1214
1215 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1216 {
1217         prvm_prog_t *prog = CLVM_prog;
1218         qboolean ret = false;
1219         prvm_edict_t *ed;
1220         vec3_t forward, left, up, origin, ang;
1221         matrix4x4_t mat, matq;
1222
1223         CSQC_BEGIN
1224                 ed = PRVM_EDICT_NUM(entnum);
1225                 // camera:
1226                 //   camera_transform
1227                 if(PRVM_clientedictfunction(ed, camera_transform))
1228                 {
1229                         ret = true;
1230                         if(viewmatrix && clipplane && visorigin)
1231                         {
1232                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1233                                 AnglesFromVectors(ang, forward, up, false);
1234                                 PRVM_clientglobalfloat(time) = cl.time;
1235                                 PRVM_clientglobaledict(self) = entnum;
1236                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1237                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1238                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1239                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1240                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1241                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1242                                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1243                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1244                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1245                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1246                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1247                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1248                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1249                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1250                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1251                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, clipplane->normal_and_dist);
1252                         }
1253                 }
1254         CSQC_END
1255
1256         return ret;
1257 }
1258
1259 int CL_VM_GetViewEntity(void)
1260 {
1261         if(cl.csqc_server2csqcentitynumber[cl.viewentity])
1262                 return cl.csqc_server2csqcentitynumber[cl.viewentity] + MAX_EDICTS;
1263         return cl.viewentity;
1264 }