reworked progs loading so that entvars_t and globalvars_t are no longer
[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.generic[OFS_RETURN]
15 #define CSQC_BEGIN              csqc_tmpprog=prog;prog=0;PRVM_SetProg(PRVM_CLIENTPROG);
16 #define CSQC_END                prog=csqc_tmpprog;
17
18 static prvm_prog_t *csqc_tmpprog;
19
20 void CL_VM_PreventInformationLeaks(void)
21 {
22         if(!cl.csqc_loaded)
23                 return;
24         CSQC_BEGIN
25                 VM_ClearTraceGlobals();
26                 PRVM_clientglobalfloat(trace_networkentity) = 0;
27         CSQC_END
28 }
29
30 //[515]: these are required funcs
31 static const char *cl_required_func[] =
32 {
33         "CSQC_Init",
34         "CSQC_InputEvent",
35         "CSQC_UpdateView",
36         "CSQC_ConsoleCommand",
37 };
38
39 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
40
41 #define CL_REQFIELDS (sizeof(cl_reqfields) / sizeof(prvm_required_field_t))
42
43 prvm_required_field_t cl_reqfields[] =
44 {
45 #define PRVM_DECLARE_serverglobalfloat(x)
46 #define PRVM_DECLARE_serverglobalvector(x)
47 #define PRVM_DECLARE_serverglobalstring(x)
48 #define PRVM_DECLARE_serverglobaledict(x)
49 #define PRVM_DECLARE_serverglobalfunction(x)
50 #define PRVM_DECLARE_clientglobalfloat(x)
51 #define PRVM_DECLARE_clientglobalvector(x)
52 #define PRVM_DECLARE_clientglobalstring(x)
53 #define PRVM_DECLARE_clientglobaledict(x)
54 #define PRVM_DECLARE_clientglobalfunction(x)
55 #define PRVM_DECLARE_menuglobalfloat(x)
56 #define PRVM_DECLARE_menuglobalvector(x)
57 #define PRVM_DECLARE_menuglobalstring(x)
58 #define PRVM_DECLARE_menuglobaledict(x)
59 #define PRVM_DECLARE_menuglobalfunction(x)
60 #define PRVM_DECLARE_serverfieldfloat(x)
61 #define PRVM_DECLARE_serverfieldvector(x)
62 #define PRVM_DECLARE_serverfieldstring(x)
63 #define PRVM_DECLARE_serverfieldedict(x)
64 #define PRVM_DECLARE_serverfieldfunction(x)
65 #define PRVM_DECLARE_clientfieldfloat(x) {ev_float, #x },
66 #define PRVM_DECLARE_clientfieldvector(x) {ev_vector, #x },
67 #define PRVM_DECLARE_clientfieldstring(x) {ev_string, #x },
68 #define PRVM_DECLARE_clientfieldedict(x) {ev_entity, #x },
69 #define PRVM_DECLARE_clientfieldfunction(x) {ev_function, #x },
70 #define PRVM_DECLARE_menufieldfloat(x)
71 #define PRVM_DECLARE_menufieldvector(x)
72 #define PRVM_DECLARE_menufieldstring(x)
73 #define PRVM_DECLARE_menufieldedict(x)
74 #define PRVM_DECLARE_menufieldfunction(x)
75 #define PRVM_DECLARE_serverfunction(x)
76 #define PRVM_DECLARE_clientfunction(x)
77 #define PRVM_DECLARE_menufunction(x)
78 #define PRVM_DECLARE_field(x)
79 #define PRVM_DECLARE_global(x)
80 #define PRVM_DECLARE_function(x)
81 #include "prvm_offsets.h"
82 #undef PRVM_DECLARE_serverglobalfloat
83 #undef PRVM_DECLARE_serverglobalvector
84 #undef PRVM_DECLARE_serverglobalstring
85 #undef PRVM_DECLARE_serverglobaledict
86 #undef PRVM_DECLARE_serverglobalfunction
87 #undef PRVM_DECLARE_clientglobalfloat
88 #undef PRVM_DECLARE_clientglobalvector
89 #undef PRVM_DECLARE_clientglobalstring
90 #undef PRVM_DECLARE_clientglobaledict
91 #undef PRVM_DECLARE_clientglobalfunction
92 #undef PRVM_DECLARE_menuglobalfloat
93 #undef PRVM_DECLARE_menuglobalvector
94 #undef PRVM_DECLARE_menuglobalstring
95 #undef PRVM_DECLARE_menuglobaledict
96 #undef PRVM_DECLARE_menuglobalfunction
97 #undef PRVM_DECLARE_serverfieldfloat
98 #undef PRVM_DECLARE_serverfieldvector
99 #undef PRVM_DECLARE_serverfieldstring
100 #undef PRVM_DECLARE_serverfieldedict
101 #undef PRVM_DECLARE_serverfieldfunction
102 #undef PRVM_DECLARE_clientfieldfloat
103 #undef PRVM_DECLARE_clientfieldvector
104 #undef PRVM_DECLARE_clientfieldstring
105 #undef PRVM_DECLARE_clientfieldedict
106 #undef PRVM_DECLARE_clientfieldfunction
107 #undef PRVM_DECLARE_menufieldfloat
108 #undef PRVM_DECLARE_menufieldvector
109 #undef PRVM_DECLARE_menufieldstring
110 #undef PRVM_DECLARE_menufieldedict
111 #undef PRVM_DECLARE_menufieldfunction
112 #undef PRVM_DECLARE_serverfunction
113 #undef PRVM_DECLARE_clientfunction
114 #undef PRVM_DECLARE_menufunction
115 #undef PRVM_DECLARE_field
116 #undef PRVM_DECLARE_global
117 #undef PRVM_DECLARE_function
118 };
119
120 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
121
122 prvm_required_field_t cl_reqglobals[] =
123 {
124 #define PRVM_DECLARE_serverglobalfloat(x)
125 #define PRVM_DECLARE_serverglobalvector(x)
126 #define PRVM_DECLARE_serverglobalstring(x)
127 #define PRVM_DECLARE_serverglobaledict(x)
128 #define PRVM_DECLARE_serverglobalfunction(x)
129 #define PRVM_DECLARE_clientglobalfloat(x) {ev_float, #x},
130 #define PRVM_DECLARE_clientglobalvector(x) {ev_vector, #x},
131 #define PRVM_DECLARE_clientglobalstring(x) {ev_string, #x},
132 #define PRVM_DECLARE_clientglobaledict(x) {ev_entity, #x},
133 #define PRVM_DECLARE_clientglobalfunction(x) {ev_function, #x},
134 #define PRVM_DECLARE_menuglobalfloat(x)
135 #define PRVM_DECLARE_menuglobalvector(x)
136 #define PRVM_DECLARE_menuglobalstring(x)
137 #define PRVM_DECLARE_menuglobaledict(x)
138 #define PRVM_DECLARE_menuglobalfunction(x)
139 #define PRVM_DECLARE_serverfieldfloat(x)
140 #define PRVM_DECLARE_serverfieldvector(x)
141 #define PRVM_DECLARE_serverfieldstring(x)
142 #define PRVM_DECLARE_serverfieldedict(x)
143 #define PRVM_DECLARE_serverfieldfunction(x)
144 #define PRVM_DECLARE_clientfieldfloat(x)
145 #define PRVM_DECLARE_clientfieldvector(x)
146 #define PRVM_DECLARE_clientfieldstring(x)
147 #define PRVM_DECLARE_clientfieldedict(x)
148 #define PRVM_DECLARE_clientfieldfunction(x)
149 #define PRVM_DECLARE_menufieldfloat(x)
150 #define PRVM_DECLARE_menufieldvector(x)
151 #define PRVM_DECLARE_menufieldstring(x)
152 #define PRVM_DECLARE_menufieldedict(x)
153 #define PRVM_DECLARE_menufieldfunction(x)
154 #define PRVM_DECLARE_serverfunction(x)
155 #define PRVM_DECLARE_clientfunction(x)
156 #define PRVM_DECLARE_menufunction(x)
157 #define PRVM_DECLARE_field(x)
158 #define PRVM_DECLARE_global(x)
159 #define PRVM_DECLARE_function(x)
160 #include "prvm_offsets.h"
161 #undef PRVM_DECLARE_serverglobalfloat
162 #undef PRVM_DECLARE_serverglobalvector
163 #undef PRVM_DECLARE_serverglobalstring
164 #undef PRVM_DECLARE_serverglobaledict
165 #undef PRVM_DECLARE_serverglobalfunction
166 #undef PRVM_DECLARE_clientglobalfloat
167 #undef PRVM_DECLARE_clientglobalvector
168 #undef PRVM_DECLARE_clientglobalstring
169 #undef PRVM_DECLARE_clientglobaledict
170 #undef PRVM_DECLARE_clientglobalfunction
171 #undef PRVM_DECLARE_menuglobalfloat
172 #undef PRVM_DECLARE_menuglobalvector
173 #undef PRVM_DECLARE_menuglobalstring
174 #undef PRVM_DECLARE_menuglobaledict
175 #undef PRVM_DECLARE_menuglobalfunction
176 #undef PRVM_DECLARE_serverfieldfloat
177 #undef PRVM_DECLARE_serverfieldvector
178 #undef PRVM_DECLARE_serverfieldstring
179 #undef PRVM_DECLARE_serverfieldedict
180 #undef PRVM_DECLARE_serverfieldfunction
181 #undef PRVM_DECLARE_clientfieldfloat
182 #undef PRVM_DECLARE_clientfieldvector
183 #undef PRVM_DECLARE_clientfieldstring
184 #undef PRVM_DECLARE_clientfieldedict
185 #undef PRVM_DECLARE_clientfieldfunction
186 #undef PRVM_DECLARE_menufieldfloat
187 #undef PRVM_DECLARE_menufieldvector
188 #undef PRVM_DECLARE_menufieldstring
189 #undef PRVM_DECLARE_menufieldedict
190 #undef PRVM_DECLARE_menufieldfunction
191 #undef PRVM_DECLARE_serverfunction
192 #undef PRVM_DECLARE_clientfunction
193 #undef PRVM_DECLARE_menufunction
194 #undef PRVM_DECLARE_field
195 #undef PRVM_DECLARE_global
196 #undef PRVM_DECLARE_function
197 };
198
199 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
200 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
201 {
202         char errorstring[4096];
203         va_list argptr;
204
205         va_start (argptr, format);
206         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
207         va_end (argptr);
208 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
209
210         PRVM_Crash();
211         cl.csqc_loaded = false;
212
213         Cvar_SetValueQuick(&csqc_progcrc, -1);
214         Cvar_SetValueQuick(&csqc_progsize, -1);
215
216 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
217         Host_Error("CL_VM_Error: %s", errorstring);
218 }
219 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
220 {
221         if(cl.csqc_loaded)
222         {
223                 CSQC_BEGIN
224                 PRVM_clientglobalfloat(dmg_take) = dmg_take;
225                 PRVM_clientglobalfloat(dmg_save) = dmg_save;
226                 VectorCopy(dmg_origin, PRVM_clientglobalvector(dmg_origin));
227                 CSQC_END
228         }
229 }
230
231 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
232 {
233         if(!cl.csqc_loaded)
234                 return;
235         CSQC_BEGIN
236         PRVM_clientglobalfloat(servertime) = newtime;
237         PRVM_clientglobalfloat(serverprevtime) = oldtime;
238         PRVM_clientglobalfloat(serverdeltatime) = newtime - oldtime;
239         CSQC_END
240 }
241
242 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
243 void CSQC_R_RecalcView (void);
244 static void CSQC_SetGlobals (void)
245 {
246         CSQC_BEGIN
247                 PRVM_clientglobalfloat(time) = cl.time;
248                 PRVM_clientglobalfloat(frametime) = max(0, cl.time - cl.oldtime);
249                 PRVM_clientglobalfloat(servercommandframe) = cls.servermovesequence;
250                 PRVM_clientglobalfloat(clientcommandframe) = cl.movecmd[0].sequence;
251                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(input_angles));
252                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
253                 PRVM_clientglobalfloat(input_buttons) = cl.movecmd[0].buttons;
254                 VectorSet(PRVM_clientglobalvector(input_movevalues), cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
255                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
256                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
257
258                 // LordHavoc: Spike says not to do this, but without pmove_org the
259                 // CSQC is useless as it can't alter the view origin without
260                 // completely replacing it
261                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, PRVM_clientglobalvector(pmove_org));
262                 VectorCopy(cl.movement_velocity, PRVM_clientglobalvector(pmove_vel));
263                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
264                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
265
266                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
267                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
268                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
269                 PRVM_clientglobalfloat(maxclients) = cl.maxclients;
270
271                 CSQC_R_RecalcView();
272         CSQC_END
273 }
274
275 void CSQC_Predraw (prvm_edict_t *ed)
276 {
277         int b;
278         if(!PRVM_clientedictfunction(ed, predraw))
279                 return;
280         b = PRVM_clientglobaledict(self);
281         PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
282         PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, predraw), "CSQC_Predraw: NULL function\n");
283         PRVM_clientglobaledict(self) = b;
284 }
285
286 void CSQC_Think (prvm_edict_t *ed)
287 {
288         int b;
289         if(PRVM_clientedictfunction(ed, think))
290         if(PRVM_clientedictfloat(ed, nextthink) && PRVM_clientedictfloat(ed, nextthink) <= PRVM_clientglobalfloat(time))
291         {
292                 PRVM_clientedictfloat(ed, nextthink) = 0;
293                 b = PRVM_clientglobaledict(self);
294                 PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
295                 PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, think), "CSQC_Think: NULL function\n");
296                 PRVM_clientglobaledict(self) = b;
297         }
298 }
299
300 extern cvar_t cl_noplayershadow;
301 extern cvar_t r_equalize_entities_fullbright;
302 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
303 {
304         int renderflags;
305         int c;
306         float scale;
307         entity_render_t *entrender;
308         dp_model_t *model;
309
310         model = CL_GetModelFromEdict(ed);
311         if (!model)
312                 return false;
313
314         if (edictnum)
315         {
316                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
317                         return false;
318                 entrender = cl.csqcrenderentities + edictnum;
319                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
320                 entrender->entitynumber = edictnum + MAX_EDICTS;
321                 //entrender->shadertime = 0; // shadertime was set by spawn()
322                 entrender->flags = 0;
323                 entrender->alpha = 1;
324                 entrender->scale = 1;
325                 VectorSet(entrender->colormod, 1, 1, 1);
326                 VectorSet(entrender->glowmod, 1, 1, 1);
327                 entrender->allowdecals = true;
328         }
329         else
330         {
331                 entrender = CL_NewTempEntity(0);
332                 if (!entrender)
333                         return false;
334         }
335
336         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
337         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
338         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
339         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
340
341         entrender->model = model;
342         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
343         entrender->effects |= entrender->model->effects;
344         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
345         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
346         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
347         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
348         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
349         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
350         if (!entrender->alpha)
351                 entrender->alpha = 1.0f;
352         if (!entrender->scale)
353                 entrender->scale = scale = 1.0f;
354         if (!VectorLength2(entrender->colormod))
355                 VectorSet(entrender->colormod, 1, 1, 1);
356         if (!VectorLength2(entrender->glowmod))
357                 VectorSet(entrender->glowmod, 1, 1, 1);
358
359         // LordHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
360         CL_GetTagMatrix(&entrender->matrix, ed, 0);
361
362         // set up the animation data
363         VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
364         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
365         VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
366         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
367                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
368
369         // transparent offset
370         if (renderflags & RF_USETRANSPARENTOFFSET)
371                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
372
373         if(renderflags)
374         {
375                 if(renderflags & RF_VIEWMODEL)  entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
376                 if(renderflags & RF_EXTERNALMODEL)entrender->flags |= RENDER_EXTERIORMODEL;
377                 if(renderflags & RF_NOCULL)             entrender->flags |= RENDER_NOCULL;
378                 if(renderflags & RF_DEPTHHACK)  entrender->flags |= RENDER_NODEPTHTEST;
379                 if(renderflags & RF_ADDITIVE)           entrender->flags |= RENDER_ADDITIVE;
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
417         // make the other useful stuff
418         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
419         CL_UpdateRenderEntity(entrender);
420         // override animation data with full control
421         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
422         if (ed->priv.server->skeleton.relativetransforms)
423                 entrender->skeleton = &ed->priv.server->skeleton;
424         else
425                 entrender->skeleton = NULL;
426
427         return true;
428 }
429
430 qboolean CL_VM_InputEvent (qboolean down, int key, int ascii)
431 {
432         qboolean r;
433
434         if(!cl.csqc_loaded)
435                 return false;
436
437         CSQC_BEGIN
438                 if (!PRVM_clientfunction(CSQC_InputEvent))
439                         r = false;
440                 else
441                 {
442                         PRVM_clientglobalfloat(time) = cl.time;
443                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
444                         PRVM_G_FLOAT(OFS_PARM0) = !down; // 0 is down, 1 is up
445                         PRVM_G_FLOAT(OFS_PARM1) = key;
446                         PRVM_G_FLOAT(OFS_PARM2) = ascii;
447                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
448                         r = CSQC_RETURNVAL != 0;
449                 }
450         CSQC_END
451         return r;
452 }
453
454 qboolean CL_VM_UpdateView (void)
455 {
456         vec3_t emptyvector;
457         emptyvector[0] = 0;
458         emptyvector[1] = 0;
459         emptyvector[2] = 0;
460 //      vec3_t oldangles;
461         if(!cl.csqc_loaded)
462                 return false;
463         R_TimeReport("pre-UpdateView");
464         CSQC_BEGIN
465                 //VectorCopy(cl.viewangles, oldangles);
466                 PRVM_clientglobalfloat(time) = cl.time;
467                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
468                 CSQC_SetGlobals();
469                 // clear renderable entity and light lists to prevent crashes if the
470                 // CSQC_UpdateView function does not call R_ClearScene as it should
471                 r_refdef.scene.numentities = 0;
472                 r_refdef.scene.numlights = 0;
473                 // pass in width and height as parameters (EXT_CSQC_1)
474                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
475                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
476                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
477                 //VectorCopy(oldangles, cl.viewangles);
478                 // Dresk : Reset Dmg Globals Here
479                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
480         CSQC_END
481         R_TimeReport("UpdateView");
482         return true;
483 }
484
485 extern sizebuf_t vm_tempstringsbuf;
486 qboolean CL_VM_ConsoleCommand (const char *cmd)
487 {
488         int restorevm_tempstringsbuf_cursize;
489         qboolean r = false;
490         if(!cl.csqc_loaded)
491                 return false;
492         CSQC_BEGIN
493         if (PRVM_clientfunction(CSQC_ConsoleCommand))
494         {
495                 PRVM_clientglobalfloat(time) = cl.time;
496                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
497                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
498                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
499                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
500                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
501                 r = CSQC_RETURNVAL != 0;
502         }
503         CSQC_END
504         return r;
505 }
506
507 qboolean CL_VM_Parse_TempEntity (void)
508 {
509         int                     t;
510         qboolean        r = false;
511         if(!cl.csqc_loaded)
512                 return false;
513         CSQC_BEGIN
514         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
515         {
516                 t = msg_readcount;
517                 PRVM_clientglobalfloat(time) = cl.time;
518                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
519                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
520                 r = CSQC_RETURNVAL != 0;
521                 if(!r)
522                 {
523                         msg_readcount = t;
524                         msg_badread = false;
525                 }
526         }
527         CSQC_END
528         return r;
529 }
530
531 void CL_VM_Parse_StuffCmd (const char *msg)
532 {
533         int restorevm_tempstringsbuf_cursize;
534         if(msg[0] == 'c')
535         if(msg[1] == 's')
536         if(msg[2] == 'q')
537         if(msg[3] == 'c')
538         {
539                 // if this is setting a csqc variable, deprotect csqc_progcrc
540                 // temporarily so that it can be set by the cvar command,
541                 // and then reprotect it afterwards
542                 int crcflags = csqc_progcrc.flags;
543                 int sizeflags = csqc_progcrc.flags;
544                 csqc_progcrc.flags &= ~CVAR_READONLY;
545                 csqc_progsize.flags &= ~CVAR_READONLY;
546                 Cmd_ExecuteString (msg, src_command);
547                 csqc_progcrc.flags = crcflags;
548                 csqc_progsize.flags = sizeflags;
549                 return;
550         }
551
552         if(cls.demoplayback)
553         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
554         {
555                 // special handling for map download commands
556                 // run these commands IMMEDIATELY, instead of waiting for a client frame
557                 // that way, there is no black screen when playing back demos
558                 // I know this is a really ugly hack, but I can't think of any better way
559                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
560                 // until all maps are loaded, then remove this hack
561
562                 char buf[MAX_INPUTLINE];
563                 const char *p, *q;
564                 size_t l;
565
566                 p = msg;
567
568                 for(;;)
569                 {
570                         q = strchr(p, '\n');
571                         if(q)
572                                 l = q - p;
573                         else
574                                 l = strlen(p);
575                         if(l > sizeof(buf) - 1)
576                                 l = sizeof(buf) - 1;
577                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
578
579                         Cmd_ExecuteString(buf, src_command);
580
581                         p += l;
582                         if(*p == '\n')
583                                 ++p; // skip the newline and continue
584                         else
585                                 break; // end of string or overflow
586                 }
587                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
588                 return;
589         }
590
591         if(!cl.csqc_loaded)
592         {
593                 Cbuf_AddText(msg);
594                 return;
595         }
596         CSQC_BEGIN
597         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
598         {
599                 PRVM_clientglobalfloat(time) = cl.time;
600                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
601                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
602                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
603                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
604                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
605         }
606         else
607                 Cbuf_AddText(msg);
608         CSQC_END
609 }
610
611 static void CL_VM_Parse_Print (const char *msg)
612 {
613         int restorevm_tempstringsbuf_cursize;
614         PRVM_clientglobalfloat(time) = cl.time;
615         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
616         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
617         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
618         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
619         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
620 }
621
622 void CSQC_AddPrintText (const char *msg)
623 {
624         size_t i;
625         if(!cl.csqc_loaded)
626         {
627                 Con_Print(msg);
628                 return;
629         }
630         CSQC_BEGIN
631         if(PRVM_clientfunction(CSQC_Parse_Print))
632         {
633                 // FIXME: is this bugged?
634                 i = strlen(msg)-1;
635                 if(msg[i] != '\n' && msg[i] != '\r')
636                 {
637                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
638                         {
639                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
640                                 cl.csqc_printtextbuf[0] = 0;
641                         }
642                         else
643                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
644                         return;
645                 }
646                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
647                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
648                 cl.csqc_printtextbuf[0] = 0;
649         }
650         else
651                 Con_Print(msg);
652         CSQC_END
653 }
654
655 void CL_VM_Parse_CenterPrint (const char *msg)
656 {
657         int restorevm_tempstringsbuf_cursize;
658         if(!cl.csqc_loaded)
659         {
660                 SCR_CenterPrint(msg);
661                 return;
662         }
663         CSQC_BEGIN
664         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
665         {
666                 PRVM_clientglobalfloat(time) = cl.time;
667                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
668                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
669                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
670                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
671                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
672         }
673         else
674                 SCR_CenterPrint(msg);
675         CSQC_END
676 }
677
678 void CL_VM_UpdateIntermissionState (int intermission)
679 {
680         if(cl.csqc_loaded)
681         {
682                 CSQC_BEGIN
683                 PRVM_clientglobalfloat(intermission) = intermission;
684                 CSQC_END
685         }
686 }
687 void CL_VM_UpdateShowingScoresState (int showingscores)
688 {
689         if(cl.csqc_loaded)
690         {
691                 CSQC_BEGIN
692                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
693                 CSQC_END
694         }
695 }
696 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos)
697 {
698         qboolean r = false;
699         if(cl.csqc_loaded)
700         {
701                 CSQC_BEGIN
702                 if(PRVM_clientfunction(CSQC_Event_Sound))
703                 {
704                         PRVM_clientglobalfloat(time) = cl.time;
705                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
706                         PRVM_G_FLOAT(OFS_PARM0) = ent;
707                         PRVM_G_FLOAT(OFS_PARM1) = channel;
708                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
709                         PRVM_G_FLOAT(OFS_PARM3) = volume;
710                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
711                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
712                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
713                         r = CSQC_RETURNVAL != 0;
714                 }
715                 CSQC_END
716         }
717
718         return r;
719 }
720 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
721 {
722         // Avoid global names for clean(er) coding
723         int localcoop;
724         int localdeathmatch;
725
726         if(cl.csqc_loaded)
727         {
728                 if(gametype == GAME_COOP)
729                 {
730                         localcoop = 1;
731                         localdeathmatch = 0;
732                 }
733                 else
734                 if(gametype == GAME_DEATHMATCH)
735                 {
736                         localcoop = 0;
737                         localdeathmatch = 1;
738                 }
739                 else
740                 {
741                         // How did the ServerInfo send an unknown gametype?
742                         // Better just assign the globals as 0...
743                         localcoop = 0;
744                         localdeathmatch = 0;
745                 }
746                 CSQC_BEGIN
747                 PRVM_clientglobalfloat(coop) = localcoop;
748                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
749                 CSQC_END
750         }
751 }
752 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
753 {
754         float r = 0;
755         if(!cl.csqc_loaded)
756                 return 0;
757         CSQC_BEGIN
758         if(PRVM_clientfunction(CSQC_Event))
759         {
760                 PRVM_clientglobalfloat(time) = cl.time;
761                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
762                 PRVM_G_FLOAT(OFS_PARM0) = event;
763                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
764                 r = CSQC_RETURNVAL;
765         }
766         CSQC_END
767         return r;
768 }
769
770 void CSQC_ReadEntities (void)
771 {
772         unsigned short entnum, oldself, realentnum;
773         if(!cl.csqc_loaded)
774         {
775                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
776                 return;
777         }
778
779         CSQC_BEGIN
780                 PRVM_clientglobalfloat(time) = cl.time;
781                 oldself = PRVM_clientglobaledict(self);
782                 while(1)
783                 {
784                         entnum = MSG_ReadShort();
785                         if(!entnum || msg_badread)
786                                 break;
787                         realentnum = entnum & 0x7FFF;
788                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
789                         if(entnum & 0x8000)
790                         {
791                                 if(PRVM_clientglobaledict(self))
792                                 {
793                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
794                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
795                                 }
796                                 else
797                                 {
798                                         // LordHavoc: removing an entity that is already gone on
799                                         // the csqc side is possible for legitimate reasons (such
800                                         // as a repeat of the remove message), so no warning is
801                                         // needed
802                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
803                                 }
804                         }
805                         else
806                         {
807                                 if(!PRVM_clientglobaledict(self))
808                                 {
809                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
810                                         {
811                                                 prvm_edict_t    *ed;
812                                                 ed = PRVM_ED_Alloc();
813                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
814                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
815                                         }
816                                         else
817                                         {
818                                                 // entity( float entnum ) CSQC_Ent_Spawn;
819                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
820                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
821                                                 // make sure no one gets wrong ideas
822                                                 PRVM_clientglobaledict(self) = 0;
823                                                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
824                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
825                                         }
826                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
827                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
828                                 }
829                                 else {
830                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
831                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
832                                 }
833                         }
834                 }
835                 PRVM_clientglobaledict(self) = oldself;
836         CSQC_END
837 }
838
839 void CL_VM_CB_BeginIncreaseEdicts(void)
840 {
841         // links don't survive the transition, so unlink everything
842         World_UnlinkAll(&cl.world);
843 }
844
845 void CL_VM_CB_EndIncreaseEdicts(void)
846 {
847         int i;
848         prvm_edict_t *ent;
849
850         // link every entity except world
851         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
852                 if (!ent->priv.server->free)
853                         CL_LinkEdict(ent);
854 }
855
856 void CL_VM_CB_InitEdict(prvm_edict_t *e)
857 {
858         int edictnum = PRVM_NUM_FOR_EDICT(e);
859         entity_render_t *entrender;
860         CL_ExpandCSQCRenderEntities(edictnum);
861         entrender = cl.csqcrenderentities + edictnum;
862         e->priv.server->move = false; // don't move on first frame
863         memset(entrender, 0, sizeof(*entrender));
864         entrender->shadertime = cl.time;
865 }
866
867 extern void R_DecalSystem_Reset(decalsystem_t *decalsystem);
868
869 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
870 {
871         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
872         R_DecalSystem_Reset(&entrender->decalsystem);
873         memset(entrender, 0, sizeof(*entrender));
874         World_UnlinkEdict(ed);
875         memset(ed->fields.vp, 0, prog->entityfields * 4);
876         VM_RemoveEdictSkeleton(ed);
877         World_Physics_RemoveFromEntity(&cl.world, ed);
878         World_Physics_RemoveJointFromEntity(&cl.world, ed);
879 }
880
881 void CL_VM_CB_CountEdicts(void)
882 {
883         int             i;
884         prvm_edict_t    *ent;
885         int             active = 0, models = 0, solid = 0;
886
887         for (i=0 ; i<prog->num_edicts ; i++)
888         {
889                 ent = PRVM_EDICT_NUM(i);
890                 if (ent->priv.server->free)
891                         continue;
892                 active++;
893                 if (PRVM_clientedictfloat(ent, solid))
894                         solid++;
895                 if (PRVM_clientedictstring(ent, model))
896                         models++;
897         }
898
899         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
900         Con_Printf("active    :%3i\n", active);
901         Con_Printf("view      :%3i\n", models);
902         Con_Printf("touch     :%3i\n", solid);
903 }
904
905 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
906 {
907         return true;
908 }
909
910 void Cmd_ClearCsqcFuncs (void);
911
912 // returns true if the packet is valid, false if end of file is reached
913 // used for dumping the CSQC download into demo files
914 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
915 {
916         int packetsize = buf->maxsize - 7; // byte short long
917         int npackets = (len + packetsize - 1) / (packetsize);
918
919         if(protocol == PROTOCOL_QUAKEWORLD)
920                 return false; // CSQC can't run in QW anyway
921
922         SZ_Clear(buf);
923         if(cnt == 0)
924         {
925                 MSG_WriteByte(buf, svc_stufftext);
926                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
927                 return true;
928         }
929         else if(cnt >= 1 && cnt <= npackets)
930         {
931                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
932                 int thispacketsize = len - thispacketoffset;
933                 if(thispacketsize > packetsize)
934                         thispacketsize = packetsize;
935
936                 MSG_WriteByte(buf, svc_downloaddata);
937                 MSG_WriteLong(buf, thispacketoffset);
938                 MSG_WriteShort(buf, thispacketsize);
939                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
940
941                 return true;
942         }
943         else if(cnt == npackets + 1)
944         {
945                 MSG_WriteByte(buf, svc_stufftext);
946                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
947                 return true;
948         }
949         return false;
950 }
951
952 void CL_VM_Init (void)
953 {
954         const char* csprogsfn;
955         unsigned char *csprogsdata;
956         fs_offset_t csprogsdatasize;
957         int csprogsdatacrc, requiredcrc;
958         int requiredsize;
959
960         // reset csqc_progcrc after reading it, so that changing servers doesn't
961         // expect csqc on the next server
962         requiredcrc = csqc_progcrc.integer;
963         requiredsize = csqc_progsize.integer;
964         Cvar_SetValueQuick(&csqc_progcrc, -1);
965         Cvar_SetValueQuick(&csqc_progsize, -1);
966
967         // if the server is not requesting a csprogs, then we're done here
968         if (requiredcrc < 0)
969                 return;
970
971         // see if the requested csprogs.dat file matches the requested crc
972         csprogsdatacrc = -1;
973         csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
974         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
975         if (!csprogsdata)
976         {
977                 csprogsfn = csqc_progname.string;
978                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
979         }
980         if (csprogsdata)
981         {
982                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
983                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
984                 {
985                         if (cls.demoplayback)
986                         {
987                                 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);
988                                 // Mem_Free(csprogsdata);
989                                 // return;
990                                 // We WANT to continue here, and play the demo with different csprogs!
991                                 // After all, this is just a warning. Sure things may go wrong from here.
992                         }
993                         else
994                         {
995                                 Mem_Free(csprogsdata);
996                                 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);
997                                 CL_Disconnect();
998                                 return;
999                         }
1000                 }
1001         }
1002         else
1003         {
1004                 if (requiredcrc >= 0)
1005                 {
1006                         if (cls.demoplayback)
1007                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1008                         else
1009                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1010                         CL_Disconnect();
1011                 }
1012                 return;
1013         }
1014
1015         PRVM_Begin;
1016         PRVM_InitProg(PRVM_CLIENTPROG);
1017
1018         // allocate the mempools
1019         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1020         prog->edictprivate_size = 0; // no private struct used
1021         prog->name = CL_NAME;
1022         prog->num_edicts = 1;
1023         prog->max_edicts = 512;
1024         prog->limit_edicts = CL_MAX_EDICTS;
1025         prog->reserved_edicts = 0;
1026         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1027         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1028         prog->extensionstring = vm_sv_extensions;
1029         prog->builtins = vm_cl_builtins;
1030         prog->numbuiltins = vm_cl_numbuiltins;
1031         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
1032         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
1033         prog->init_edict = CL_VM_CB_InitEdict;
1034         prog->free_edict = CL_VM_CB_FreeEdict;
1035         prog->count_edicts = CL_VM_CB_CountEdicts;
1036         prog->load_edict = CL_VM_CB_LoadEdict;
1037         prog->init_cmd = VM_CL_Cmd_Init;
1038         prog->reset_cmd = VM_CL_Cmd_Reset;
1039         prog->error_cmd = CL_VM_Error;
1040         prog->ExecuteProgram = CLVM_ExecuteProgram;
1041
1042         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1043
1044         if (!prog->loaded)
1045         {
1046                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
1047                 if(!sv.active)
1048                         CL_Disconnect();
1049                 Mem_Free(csprogsdata);
1050                 return;
1051         }
1052
1053         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1054
1055         if(cls.demorecording)
1056         {
1057                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1058                 {
1059                         int i;
1060                         static char buf[NET_MAXMESSAGE];
1061                         sizebuf_t sb;
1062                         unsigned char *demobuf; fs_offset_t demofilesize;
1063
1064                         sb.data = (unsigned char *) buf;
1065                         sb.maxsize = sizeof(buf);
1066                         i = 0;
1067
1068                         CL_CutDemo(&demobuf, &demofilesize);
1069                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1070                                 CL_WriteDemoMessage(&sb);
1071                         CL_PasteDemo(&demobuf, &demofilesize);
1072
1073                         cls.demo_lastcsprogssize = csprogsdatasize;
1074                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1075                 }
1076         }
1077         Mem_Free(csprogsdata);
1078
1079         // check if OP_STATE animation is possible in this dat file
1080         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1081                 prog->flag |= PRVM_OP_STATE;
1082
1083         // set time
1084         PRVM_clientglobalfloat(time) = cl.time;
1085         PRVM_clientglobaledict(self) = 0;
1086
1087         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(cl.worldname);
1088         PRVM_clientglobalfloat(player_localentnum) = cl.playerentity;
1089
1090         // set map description (use world entity 0)
1091         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(cl.worldmessage);
1092         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1093         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1094
1095         // call the prog init
1096         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1097
1098         PRVM_End;
1099         cl.csqc_loaded = true;
1100
1101         cl.csqc_vidvars.drawcrosshair = false;
1102         cl.csqc_vidvars.drawenginesbar = false;
1103
1104         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1105         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1106 }
1107
1108 void CL_VM_ShutDown (void)
1109 {
1110         Cmd_ClearCsqcFuncs();
1111         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1112         //Cvar_SetValueQuick(&csqc_progsize, -1);
1113         if(!cl.csqc_loaded)
1114                 return;
1115         CSQC_BEGIN
1116                 PRVM_clientglobalfloat(time) = cl.time;
1117                 PRVM_clientglobaledict(self) = 0;
1118                 if (PRVM_clientfunction(CSQC_Shutdown))
1119                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1120                 PRVM_ResetProg();
1121         CSQC_END
1122         Con_DPrint("CSQC ^1unloaded\n");
1123         cl.csqc_loaded = false;
1124 }
1125
1126 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1127 {
1128         prvm_edict_t *ed;
1129         dp_model_t *mod;
1130         matrix4x4_t matrix;
1131         qboolean r = 0;
1132
1133         CSQC_BEGIN;
1134
1135         // FIXME consider attachments here!
1136
1137         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1138
1139         if(!ed->priv.required->free)
1140         {
1141                 mod = CL_GetModelFromEdict(ed);
1142                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1143                 if(CL_GetTagMatrix (&matrix, ed, 0) == 0)
1144                         Matrix4x4_OriginFromMatrix(&matrix, out);
1145                 if (mod && mod->soundfromcenter)
1146                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1147                 r = 1;
1148         }
1149
1150         CSQC_END;
1151
1152         return r;
1153 }
1154
1155 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1156 {
1157         qboolean ret = false;
1158         prvm_edict_t *ed;
1159         vec3_t forward, left, up, origin, ang;
1160         matrix4x4_t mat, matq;
1161
1162         CSQC_BEGIN
1163                 ed = PRVM_EDICT_NUM(entnum);
1164                 // camera:
1165                 //   camera_transform
1166                 if(PRVM_clientedictfunction(ed, camera_transform))
1167                 {
1168                         ret = true;
1169                         if(viewmatrix || clipplane || visorigin)
1170                         {
1171                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1172                                 AnglesFromVectors(ang, forward, up, false);
1173                                 PRVM_clientglobalfloat(time) = cl.time;
1174                                 PRVM_clientglobaledict(self) = entnum;
1175                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1176                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1177                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1178                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1179                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1180                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1181                                 PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1182                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1183                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1184                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1185                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1186                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1187                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1188                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1189                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1190                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1191                         }
1192                 }
1193         CSQC_END
1194
1195         return ret;
1196 }