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