Fixed a large number of WIN64 type conversion warnings.
[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
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         // LordHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
350         CL_GetTagMatrix(prog, &entrender->matrix, ed, 0);
351
352         // set up the animation data
353         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
354         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, cl.time);
355         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
356         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
357                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
358
359         // transparent offset
360         if (renderflags & RF_USETRANSPARENTOFFSET)
361                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
362
363         // model light
364         if (renderflags & RF_MODELLIGHT)
365         {
366                 if (PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->modellight_ambient); else VectorClear(entrender->modellight_ambient);
367                 if (PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->modellight_diffuse); else VectorClear(entrender->modellight_diffuse);
368                 if (PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->modellight_lightdir);    else VectorClear(entrender->modellight_lightdir);
369                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
370         }
371
372         if(renderflags)
373         {
374                 if(renderflags & RF_VIEWMODEL) entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
375                 if(renderflags & RF_EXTERNALMODEL) entrender->flags |= RENDER_EXTERIORMODEL;
376                 if(renderflags & RF_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
377                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
378                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
379                 if(renderflags & RF_DYNAMICMODELLIGHT) entrender->flags |= RENDER_DYNAMICMODELLIGHT;
380         }
381
382         c = (int)PRVM_clientedictfloat(ed, colormap);
383         if (c <= 0)
384                 CL_SetEntityColormapColors(entrender, -1);
385         else if (c <= cl.maxclients && cl.scores != NULL)
386                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
387         else
388                 CL_SetEntityColormapColors(entrender, c);
389
390         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
391         // either fullbright or lit
392         if(!r_fullbright.integer)
393         {
394                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
395                         entrender->flags |= RENDER_LIGHT;
396                 else if(r_equalize_entities_fullbright.integer)
397                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
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                 r_refdef.view.ismain = true;
477                 csqc_original_r_refdef_view = r_refdef.view;
478                 csqc_main_r_refdef_view = r_refdef.view;
479                 //VectorCopy(cl.viewangles, oldangles);
480                 PRVM_clientglobalfloat(time) = cl.time;
481                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
482                 CSQC_SetGlobals(frametime);
483                 // clear renderable entity and light lists to prevent crashes if the
484                 // CSQC_UpdateView function does not call R_ClearScene as it should
485                 r_refdef.scene.numentities = 0;
486                 r_refdef.scene.numlights = 0;
487                 // pass in width and height as parameters (EXT_CSQC_1)
488                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
489                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
490                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
491                 //VectorCopy(oldangles, cl.viewangles);
492                 // Dresk : Reset Dmg Globals Here
493                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
494                 r_refdef.view = csqc_main_r_refdef_view;
495                 R_RenderView_UpdateViewVectors(); // we have to do this, as we undid the scene render doing this for us
496         CSQC_END
497
498         R_TimeReport("UpdateView");
499         return true;
500 }
501
502 qboolean CL_VM_ConsoleCommand (const char *cmd)
503 {
504         prvm_prog_t *prog = CLVM_prog;
505         int restorevm_tempstringsbuf_cursize;
506         qboolean r = false;
507         if(!cl.csqc_loaded)
508                 return false;
509         CSQC_BEGIN
510         if (PRVM_clientfunction(CSQC_ConsoleCommand))
511         {
512                 PRVM_clientglobalfloat(time) = cl.time;
513                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
514                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
515                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, cmd);
516                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
517                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
518                 r = CSQC_RETURNVAL != 0;
519         }
520         CSQC_END
521         return r;
522 }
523
524 qboolean CL_VM_Parse_TempEntity (void)
525 {
526         prvm_prog_t *prog = CLVM_prog;
527         int                     t;
528         qboolean        r = false;
529         if(!cl.csqc_loaded)
530                 return false;
531         CSQC_BEGIN
532         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
533         {
534                 t = cl_message.readcount;
535                 PRVM_clientglobalfloat(time) = cl.time;
536                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
537                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
538                 r = CSQC_RETURNVAL != 0;
539                 if(!r)
540                 {
541                         cl_message.readcount = t;
542                         cl_message.badread = false;
543                 }
544         }
545         CSQC_END
546         return r;
547 }
548
549 void CL_VM_Parse_StuffCmd (const char *msg)
550 {
551         prvm_prog_t *prog = CLVM_prog;
552         int restorevm_tempstringsbuf_cursize;
553         if(msg[0] == 'c')
554         if(msg[1] == 's')
555         if(msg[2] == 'q')
556         if(msg[3] == 'c')
557         {
558                 // if this is setting a csqc variable, deprotect csqc_progcrc
559                 // temporarily so that it can be set by the cvar command,
560                 // and then reprotect it afterwards
561                 int crcflags = csqc_progcrc.flags;
562                 int sizeflags = csqc_progcrc.flags;
563                 csqc_progcrc.flags &= ~CVAR_READONLY;
564                 csqc_progsize.flags &= ~CVAR_READONLY;
565                 Cmd_ExecuteString (msg, src_command, true);
566                 csqc_progcrc.flags = crcflags;
567                 csqc_progsize.flags = sizeflags;
568                 return;
569         }
570
571         if(cls.demoplayback)
572         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
573         {
574                 // special handling for map download commands
575                 // run these commands IMMEDIATELY, instead of waiting for a client frame
576                 // that way, there is no black screen when playing back demos
577                 // I know this is a really ugly hack, but I can't think of any better way
578                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
579                 // until all maps are loaded, then remove this hack
580
581                 char buf[MAX_INPUTLINE];
582                 const char *p, *q;
583                 size_t l;
584
585                 p = msg;
586
587                 for(;;)
588                 {
589                         q = strchr(p, '\n');
590                         if(q)
591                                 l = q - p;
592                         else
593                                 l = strlen(p);
594                         if(l > sizeof(buf) - 1)
595                                 l = sizeof(buf) - 1;
596                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
597
598                         Cmd_ExecuteString(buf, src_command, true);
599
600                         p += l;
601                         if(*p == '\n')
602                                 ++p; // skip the newline and continue
603                         else
604                                 break; // end of string or overflow
605                 }
606                 Cmd_ExecuteString("curl --clear_autodownload", src_command, true); // don't inhibit CSQC loading
607                 return;
608         }
609
610         if(!cl.csqc_loaded)
611         {
612                 Cbuf_AddText(msg);
613                 return;
614         }
615         CSQC_BEGIN
616         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
617         {
618                 PRVM_clientglobalfloat(time) = cl.time;
619                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
620                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
621                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
622                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
623                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
624         }
625         else
626                 Cbuf_AddText(msg);
627         CSQC_END
628 }
629
630 static void CL_VM_Parse_Print (const char *msg)
631 {
632         prvm_prog_t *prog = CLVM_prog;
633         int restorevm_tempstringsbuf_cursize;
634         PRVM_clientglobalfloat(time) = cl.time;
635         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
636         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
637         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
638         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
639         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
640 }
641
642 void CSQC_AddPrintText (const char *msg)
643 {
644         prvm_prog_t *prog = CLVM_prog;
645         size_t i;
646         if(!cl.csqc_loaded)
647         {
648                 Con_Print(msg);
649                 return;
650         }
651         CSQC_BEGIN
652         if(PRVM_clientfunction(CSQC_Parse_Print))
653         {
654                 // FIXME: is this bugged?
655                 i = strlen(msg)-1;
656                 if(msg[i] != '\n' && msg[i] != '\r')
657                 {
658                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
659                         {
660                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
661                                 cl.csqc_printtextbuf[0] = 0;
662                         }
663                         else
664                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
665                         return;
666                 }
667                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
668                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
669                 cl.csqc_printtextbuf[0] = 0;
670         }
671         else
672                 Con_Print(msg);
673         CSQC_END
674 }
675
676 void CL_VM_Parse_CenterPrint (const char *msg)
677 {
678         prvm_prog_t *prog = CLVM_prog;
679         int restorevm_tempstringsbuf_cursize;
680         if(!cl.csqc_loaded)
681         {
682                 SCR_CenterPrint(msg);
683                 return;
684         }
685         CSQC_BEGIN
686         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
687         {
688                 PRVM_clientglobalfloat(time) = cl.time;
689                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
690                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
691                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
692                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
693                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
694         }
695         else
696                 SCR_CenterPrint(msg);
697         CSQC_END
698 }
699
700 void CL_VM_UpdateIntermissionState (int intermission)
701 {
702         prvm_prog_t *prog = CLVM_prog;
703         if(cl.csqc_loaded)
704         {
705                 CSQC_BEGIN
706                 PRVM_clientglobalfloat(intermission) = intermission;
707                 CSQC_END
708         }
709 }
710 void CL_VM_UpdateShowingScoresState (int showingscores)
711 {
712         prvm_prog_t *prog = CLVM_prog;
713         if(cl.csqc_loaded)
714         {
715                 CSQC_BEGIN
716                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
717                 CSQC_END
718         }
719 }
720 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
721 {
722         prvm_prog_t *prog = CLVM_prog;
723         qboolean r = false;
724         if(cl.csqc_loaded)
725         {
726                 CSQC_BEGIN
727                 if(PRVM_clientfunction(CSQC_Event_Sound))
728                 {
729                         PRVM_clientglobalfloat(time) = cl.time;
730                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
731                         PRVM_G_FLOAT(OFS_PARM0) = ent;
732                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
733                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, cl.sound_name[sound_num] );
734                         PRVM_G_FLOAT(OFS_PARM3) = volume;
735                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
736                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
737                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
738                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
739                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
740                         r = CSQC_RETURNVAL != 0;
741                 }
742                 CSQC_END
743         }
744
745         return r;
746 }
747 static void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
748 {
749         prvm_prog_t *prog = CLVM_prog;
750         // Avoid global names for clean(er) coding
751         int localcoop;
752         int localdeathmatch;
753
754         if(cl.csqc_loaded)
755         {
756                 if(gametype == GAME_COOP)
757                 {
758                         localcoop = 1;
759                         localdeathmatch = 0;
760                 }
761                 else
762                 if(gametype == GAME_DEATHMATCH)
763                 {
764                         localcoop = 0;
765                         localdeathmatch = 1;
766                 }
767                 else
768                 {
769                         // How did the ServerInfo send an unknown gametype?
770                         // Better just assign the globals as 0...
771                         localcoop = 0;
772                         localdeathmatch = 0;
773                 }
774                 CSQC_BEGIN
775                 PRVM_clientglobalfloat(coop) = localcoop;
776                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
777                 CSQC_END
778         }
779 }
780 #if 0
781 static float CL_VM_Event (float event)          //[515]: needed ? I'd say "YES", but don't know for what :D
782 {
783         prvm_prog_t *prog = CLVM_prog;
784         float r = 0;
785         if(!cl.csqc_loaded)
786                 return 0;
787         CSQC_BEGIN
788         if(PRVM_clientfunction(CSQC_Event))
789         {
790                 PRVM_clientglobalfloat(time) = cl.time;
791                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
792                 PRVM_G_FLOAT(OFS_PARM0) = event;
793                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
794                 r = CSQC_RETURNVAL;
795         }
796         CSQC_END
797         return r;
798 }
799 #endif
800
801 void CSQC_ReadEntities (void)
802 {
803         prvm_prog_t *prog = CLVM_prog;
804         unsigned short entnum, oldself, realentnum;
805         if(!cl.csqc_loaded)
806         {
807                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
808                 return;
809         }
810
811         CSQC_BEGIN
812                 PRVM_clientglobalfloat(time) = cl.time;
813                 oldself = PRVM_clientglobaledict(self);
814                 while(1)
815                 {
816                         entnum = MSG_ReadShort(&cl_message);
817                         if(!entnum || cl_message.badread)
818                                 break;
819                         realentnum = entnum & 0x7FFF;
820                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
821                         if(entnum & 0x8000)
822                         {
823                                 if(PRVM_clientglobaledict(self))
824                                 {
825                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
826                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
827                                 }
828                                 else
829                                 {
830                                         // LordHavoc: removing an entity that is already gone on
831                                         // the csqc side is possible for legitimate reasons (such
832                                         // as a repeat of the remove message), so no warning is
833                                         // needed
834                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
835                                 }
836                         }
837                         else
838                         {
839                                 if(!PRVM_clientglobaledict(self))
840                                 {
841                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
842                                         {
843                                                 prvm_edict_t    *ed;
844                                                 ed = PRVM_ED_Alloc(prog);
845                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
846                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
847                                         }
848                                         else
849                                         {
850                                                 // entity( float entnum ) CSQC_Ent_Spawn;
851                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
852                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
853                                                 // make sure no one gets wrong ideas
854                                                 PRVM_clientglobaledict(self) = 0;
855                                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
856                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
857                                         }
858                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
859                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
860                                 }
861                                 else {
862                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
863                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
864                                 }
865                         }
866                 }
867                 PRVM_clientglobaledict(self) = oldself;
868         CSQC_END
869 }
870
871 static void CLVM_begin_increase_edicts(prvm_prog_t *prog)
872 {
873         // links don't survive the transition, so unlink everything
874         World_UnlinkAll(&cl.world);
875 }
876
877 static void CLVM_end_increase_edicts(prvm_prog_t *prog)
878 {
879         int i;
880         prvm_edict_t *ent;
881
882         // link every entity except world
883         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
884                 if (!ent->priv.server->free)
885                         CL_LinkEdict(ent);
886 }
887
888 static void CLVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
889 {
890         int edictnum = PRVM_NUM_FOR_EDICT(e);
891         entity_render_t *entrender;
892         CL_ExpandCSQCRenderEntities(edictnum);
893         entrender = cl.csqcrenderentities + edictnum;
894         e->priv.server->move = false; // don't move on first frame
895         memset(entrender, 0, sizeof(*entrender));
896         entrender->shadertime = cl.time;
897 }
898
899 static void CLVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
900 {
901         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
902         R_DecalSystem_Reset(&entrender->decalsystem);
903         memset(entrender, 0, sizeof(*entrender));
904         World_UnlinkEdict(ed);
905         memset(ed->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
906         VM_RemoveEdictSkeleton(prog, ed);
907         World_Physics_RemoveFromEntity(&cl.world, ed);
908         World_Physics_RemoveJointFromEntity(&cl.world, ed);
909 }
910
911 static void CLVM_count_edicts(prvm_prog_t *prog)
912 {
913         int             i;
914         prvm_edict_t    *ent;
915         int             active = 0, models = 0, solid = 0;
916
917         for (i=0 ; i<prog->num_edicts ; i++)
918         {
919                 ent = PRVM_EDICT_NUM(i);
920                 if (ent->priv.server->free)
921                         continue;
922                 active++;
923                 if (PRVM_clientedictfloat(ent, solid))
924                         solid++;
925                 if (PRVM_clientedictstring(ent, model))
926                         models++;
927         }
928
929         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
930         Con_Printf("active    :%3i\n", active);
931         Con_Printf("view      :%3i\n", models);
932         Con_Printf("touch     :%3i\n", solid);
933 }
934
935 static qboolean CLVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
936 {
937         return true;
938 }
939
940 // returns true if the packet is valid, false if end of file is reached
941 // used for dumping the CSQC download into demo files
942 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
943 {
944         int packetsize = buf->maxsize - 7; // byte short long
945         int npackets = ((int)len + packetsize - 1) / (packetsize);
946         char vabuf[1024];
947
948         if(protocol == PROTOCOL_QUAKEWORLD)
949                 return false; // CSQC can't run in QW anyway
950
951         SZ_Clear(buf);
952         if(cnt == 0)
953         {
954                 MSG_WriteByte(buf, svc_stufftext);
955                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
956                 return true;
957         }
958         else if(cnt >= 1 && cnt <= npackets)
959         {
960                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
961                 int thispacketsize = (int)len - thispacketoffset;
962                 if(thispacketsize > packetsize)
963                         thispacketsize = packetsize;
964
965                 MSG_WriteByte(buf, svc_downloaddata);
966                 MSG_WriteLong(buf, thispacketoffset);
967                 MSG_WriteShort(buf, thispacketsize);
968                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
969
970                 return true;
971         }
972         else if(cnt == npackets + 1)
973         {
974                 MSG_WriteByte(buf, svc_stufftext);
975                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
976                 return true;
977         }
978         return false;
979 }
980
981 extern cvar_t csqc_usedemoprogs;
982 void CL_VM_Init (void)
983 {
984         prvm_prog_t *prog = CLVM_prog;
985         const char* csprogsfn = NULL;
986         unsigned char *csprogsdata = NULL;
987         fs_offset_t csprogsdatasize = 0;
988         int csprogsdatacrc, requiredcrc;
989         int requiredsize;
990         char vabuf[1024];
991
992         // reset csqc_progcrc after reading it, so that changing servers doesn't
993         // expect csqc on the next server
994         requiredcrc = csqc_progcrc.integer;
995         requiredsize = csqc_progsize.integer;
996         Cvar_SetValueQuick(&csqc_progcrc, -1);
997         Cvar_SetValueQuick(&csqc_progsize, -1);
998
999         // if the server is not requesting a csprogs, then we're done here
1000         if (requiredcrc < 0)
1001                 return;
1002
1003         // see if the requested csprogs.dat file matches the requested crc
1004         if (!cls.demoplayback || csqc_usedemoprogs.integer)
1005         {
1006                 csprogsfn = va(vabuf, sizeof(vabuf), "dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
1007                 if(cls.caughtcsprogsdata && cls.caughtcsprogsdatasize == requiredsize && CRC_Block(cls.caughtcsprogsdata, (size_t)cls.caughtcsprogsdatasize) == requiredcrc)
1008                 {
1009                         Con_DPrintf("Using buffered \"%s\"\n", csprogsfn);
1010                         csprogsdata = cls.caughtcsprogsdata;
1011                         csprogsdatasize = cls.caughtcsprogsdatasize;
1012                         cls.caughtcsprogsdata = NULL;
1013                         cls.caughtcsprogsdatasize = 0;
1014                 }
1015                 else
1016                 {
1017                         Con_DPrintf("Not using buffered \"%s\" (buffered: %p, %d)\n", csprogsfn, cls.caughtcsprogsdata, (int) cls.caughtcsprogsdatasize);
1018                         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1019                 }
1020         }
1021         if (!csprogsdata)
1022         {
1023                 csprogsfn = csqc_progname.string;
1024                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1025         }
1026         if (csprogsdata)
1027         {
1028                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
1029                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
1030                 {
1031                         if (cls.demoplayback)
1032                         {
1033                                 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);
1034                                 // Mem_Free(csprogsdata);
1035                                 // return;
1036                                 // We WANT to continue here, and play the demo with different csprogs!
1037                                 // After all, this is just a warning. Sure things may go wrong from here.
1038                         }
1039                         else
1040                         {
1041                                 Mem_Free(csprogsdata);
1042                                 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);
1043                                 CL_Disconnect();
1044                                 return;
1045                         }
1046                 }
1047         }
1048         else
1049         {
1050                 if (requiredcrc >= 0)
1051                 {
1052                         if (cls.demoplayback)
1053                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1054                         else
1055                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1056                         CL_Disconnect();
1057                 }
1058                 return;
1059         }
1060
1061         PRVM_Prog_Init(prog);
1062
1063         // allocate the mempools
1064         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1065         prog->edictprivate_size = 0; // no private struct used
1066         prog->name = "client";
1067         prog->num_edicts = 1;
1068         prog->max_edicts = 512;
1069         prog->limit_edicts = CL_MAX_EDICTS;
1070         prog->reserved_edicts = 0;
1071         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1072         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1073         prog->extensionstring = vm_sv_extensions;
1074         prog->builtins = vm_cl_builtins;
1075         prog->numbuiltins = vm_cl_numbuiltins;
1076
1077         // all callbacks must be defined (pointers are not checked before calling)
1078         prog->begin_increase_edicts = CLVM_begin_increase_edicts;
1079         prog->end_increase_edicts   = CLVM_end_increase_edicts;
1080         prog->init_edict            = CLVM_init_edict;
1081         prog->free_edict            = CLVM_free_edict;
1082         prog->count_edicts          = CLVM_count_edicts;
1083         prog->load_edict            = CLVM_load_edict;
1084         prog->init_cmd              = CLVM_init_cmd;
1085         prog->reset_cmd             = CLVM_reset_cmd;
1086         prog->error_cmd             = Host_Error;
1087         prog->ExecuteProgram        = CLVM_ExecuteProgram;
1088
1089         PRVM_Prog_Load(prog, csprogsfn, csprogsdata, csprogsdatasize, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1090
1091         if (!prog->loaded)
1092         {
1093                 Host_Error("CSQC %s ^2failed to load\n", csprogsfn);
1094                 if(!sv.active)
1095                         CL_Disconnect();
1096                 Mem_Free(csprogsdata);
1097                 return;
1098         }
1099
1100         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1101
1102         if(cls.demorecording)
1103         {
1104                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1105                 {
1106                         int i;
1107                         static char buf[NET_MAXMESSAGE];
1108                         sizebuf_t sb;
1109                         unsigned char *demobuf; fs_offset_t demofilesize;
1110
1111                         sb.data = (unsigned char *) buf;
1112                         sb.maxsize = sizeof(buf);
1113                         i = 0;
1114
1115                         CL_CutDemo(&demobuf, &demofilesize);
1116                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1117                                 CL_WriteDemoMessage(&sb);
1118                         CL_PasteDemo(&demobuf, &demofilesize);
1119
1120                         cls.demo_lastcsprogssize = csprogsdatasize;
1121                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1122                 }
1123         }
1124         Mem_Free(csprogsdata);
1125
1126         // check if OP_STATE animation is possible in this dat file
1127         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1128                 prog->flag |= PRVM_OP_STATE;
1129
1130         // set time
1131         PRVM_clientglobalfloat(time) = cl.time;
1132         PRVM_clientglobaledict(self) = 0;
1133
1134         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(prog, cl.worldname);
1135         PRVM_clientglobalfloat(player_localnum) = cl.realplayerentity - 1;
1136         PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
1137
1138         // set map description (use world entity 0)
1139         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(prog, cl.worldmessage);
1140         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1141         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1142         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, absmin));
1143         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, absmax));
1144
1145         // call the prog init
1146         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1147
1148         cl.csqc_loaded = true;
1149
1150         cl.csqc_vidvars.drawcrosshair = false;
1151         cl.csqc_vidvars.drawenginesbar = false;
1152
1153         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1154         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1155 }
1156
1157 void CL_VM_ShutDown (void)
1158 {
1159         prvm_prog_t *prog = CLVM_prog;
1160         Cmd_ClearCsqcFuncs();
1161         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1162         //Cvar_SetValueQuick(&csqc_progsize, -1);
1163         if(!cl.csqc_loaded)
1164                 return;
1165         CSQC_BEGIN
1166                 if (prog->loaded)
1167                 {
1168                         PRVM_clientglobalfloat(time) = cl.time;
1169                         PRVM_clientglobaledict(self) = 0;
1170                         if (PRVM_clientfunction(CSQC_Shutdown))
1171                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1172                 }
1173                 PRVM_Prog_Reset(prog);
1174         CSQC_END
1175         Con_DPrint("CSQC ^1unloaded\n");
1176         cl.csqc_loaded = false;
1177 }
1178
1179 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1180 {
1181         prvm_prog_t *prog = CLVM_prog;
1182         prvm_edict_t *ed;
1183         dp_model_t *mod;
1184         matrix4x4_t matrix;
1185         qboolean r = 0;
1186
1187         CSQC_BEGIN;
1188
1189         // FIXME consider attachments here!
1190
1191         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1192
1193         if(!ed->priv.required->free)
1194         {
1195                 mod = CL_GetModelFromEdict(ed);
1196                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1197                 if(CL_GetTagMatrix(prog, &matrix, ed, 0) == 0)
1198                         Matrix4x4_OriginFromMatrix(&matrix, out);
1199                 if (mod && mod->soundfromcenter)
1200                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1201                 r = 1;
1202         }
1203
1204         CSQC_END;
1205
1206         return r;
1207 }
1208
1209 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1210 {
1211         prvm_prog_t *prog = CLVM_prog;
1212         qboolean ret = false;
1213         prvm_edict_t *ed;
1214         vec3_t forward, left, up, origin, ang;
1215         matrix4x4_t mat, matq;
1216
1217         CSQC_BEGIN
1218                 ed = PRVM_EDICT_NUM(entnum);
1219                 // camera:
1220                 //   camera_transform
1221                 if(PRVM_clientedictfunction(ed, camera_transform))
1222                 {
1223                         ret = true;
1224                         if(viewmatrix || clipplane || visorigin)
1225                         {
1226                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1227                                 AnglesFromVectors(ang, forward, up, false);
1228                                 PRVM_clientglobalfloat(time) = cl.time;
1229                                 PRVM_clientglobaledict(self) = entnum;
1230                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1231                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1232                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1233                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1234                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1235                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1236                                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1237                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1238                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1239                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1240                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1241                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1242                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1243                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1244                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1245                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1246                         }
1247                 }
1248         CSQC_END
1249
1250         return ret;
1251 }
1252
1253 int CL_VM_GetViewEntity(void)
1254 {
1255         if(cl.csqc_server2csqcentitynumber[cl.viewentity])
1256                 return cl.csqc_server2csqcentitynumber[cl.viewentity] + MAX_EDICTS;
1257         return cl.viewentity;
1258 }