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Implement phase one of EXT_ENTITYPARAM (optional entity parameter for engine builtin...
[xonotic/darkplaces.git] / csprogs.c
1 #include "quakedef.h"
2 #include "progsvm.h"
3 #include "clprogdefs.h"
4 #include "csprogs.h"
5 #include "cl_collision.h"
6 #include "snd_main.h"
7 #include "clvm_cmds.h"
8 #include "prvm_cmds.h"
9
10 //============================================================================
11 // Client prog handling
12 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
13
14 #define CSQC_RETURNVAL  prog->globals.fp[OFS_RETURN]
15 #define CSQC_BEGIN
16 #define CSQC_END
17
18 void CL_VM_PreventInformationLeaks(void)
19 {
20         prvm_prog_t *prog = CLVM_prog;
21         if(!cl.csqc_loaded)
22                 return;
23         CSQC_BEGIN
24                 VM_ClearTraceGlobals(prog);
25                 PRVM_clientglobalfloat(trace_networkentity) = 0;
26         CSQC_END
27 }
28
29 //[515]: these are required funcs
30 static const char *cl_required_func[] =
31 {
32         "CSQC_Init",
33         "CSQC_InputEvent",
34         "CSQC_UpdateView",
35         "CSQC_ConsoleCommand",
36 };
37
38 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
39
40 #define CL_REQFIELDS (sizeof(cl_reqfields) / sizeof(prvm_required_field_t))
41
42 prvm_required_field_t cl_reqfields[] =
43 {
44 #define PRVM_DECLARE_serverglobalfloat(x)
45 #define PRVM_DECLARE_serverglobalvector(x)
46 #define PRVM_DECLARE_serverglobalstring(x)
47 #define PRVM_DECLARE_serverglobaledict(x)
48 #define PRVM_DECLARE_serverglobalfunction(x)
49 #define PRVM_DECLARE_clientglobalfloat(x)
50 #define PRVM_DECLARE_clientglobalvector(x)
51 #define PRVM_DECLARE_clientglobalstring(x)
52 #define PRVM_DECLARE_clientglobaledict(x)
53 #define PRVM_DECLARE_clientglobalfunction(x)
54 #define PRVM_DECLARE_menuglobalfloat(x)
55 #define PRVM_DECLARE_menuglobalvector(x)
56 #define PRVM_DECLARE_menuglobalstring(x)
57 #define PRVM_DECLARE_menuglobaledict(x)
58 #define PRVM_DECLARE_menuglobalfunction(x)
59 #define PRVM_DECLARE_serverfieldfloat(x)
60 #define PRVM_DECLARE_serverfieldvector(x)
61 #define PRVM_DECLARE_serverfieldstring(x)
62 #define PRVM_DECLARE_serverfieldedict(x)
63 #define PRVM_DECLARE_serverfieldfunction(x)
64 #define PRVM_DECLARE_clientfieldfloat(x) {ev_float, #x },
65 #define PRVM_DECLARE_clientfieldvector(x) {ev_vector, #x },
66 #define PRVM_DECLARE_clientfieldstring(x) {ev_string, #x },
67 #define PRVM_DECLARE_clientfieldedict(x) {ev_entity, #x },
68 #define PRVM_DECLARE_clientfieldfunction(x) {ev_function, #x },
69 #define PRVM_DECLARE_menufieldfloat(x)
70 #define PRVM_DECLARE_menufieldvector(x)
71 #define PRVM_DECLARE_menufieldstring(x)
72 #define PRVM_DECLARE_menufieldedict(x)
73 #define PRVM_DECLARE_menufieldfunction(x)
74 #define PRVM_DECLARE_serverfunction(x)
75 #define PRVM_DECLARE_clientfunction(x)
76 #define PRVM_DECLARE_menufunction(x)
77 #define PRVM_DECLARE_field(x)
78 #define PRVM_DECLARE_global(x)
79 #define PRVM_DECLARE_function(x)
80 #include "prvm_offsets.h"
81 #undef PRVM_DECLARE_serverglobalfloat
82 #undef PRVM_DECLARE_serverglobalvector
83 #undef PRVM_DECLARE_serverglobalstring
84 #undef PRVM_DECLARE_serverglobaledict
85 #undef PRVM_DECLARE_serverglobalfunction
86 #undef PRVM_DECLARE_clientglobalfloat
87 #undef PRVM_DECLARE_clientglobalvector
88 #undef PRVM_DECLARE_clientglobalstring
89 #undef PRVM_DECLARE_clientglobaledict
90 #undef PRVM_DECLARE_clientglobalfunction
91 #undef PRVM_DECLARE_menuglobalfloat
92 #undef PRVM_DECLARE_menuglobalvector
93 #undef PRVM_DECLARE_menuglobalstring
94 #undef PRVM_DECLARE_menuglobaledict
95 #undef PRVM_DECLARE_menuglobalfunction
96 #undef PRVM_DECLARE_serverfieldfloat
97 #undef PRVM_DECLARE_serverfieldvector
98 #undef PRVM_DECLARE_serverfieldstring
99 #undef PRVM_DECLARE_serverfieldedict
100 #undef PRVM_DECLARE_serverfieldfunction
101 #undef PRVM_DECLARE_clientfieldfloat
102 #undef PRVM_DECLARE_clientfieldvector
103 #undef PRVM_DECLARE_clientfieldstring
104 #undef PRVM_DECLARE_clientfieldedict
105 #undef PRVM_DECLARE_clientfieldfunction
106 #undef PRVM_DECLARE_menufieldfloat
107 #undef PRVM_DECLARE_menufieldvector
108 #undef PRVM_DECLARE_menufieldstring
109 #undef PRVM_DECLARE_menufieldedict
110 #undef PRVM_DECLARE_menufieldfunction
111 #undef PRVM_DECLARE_serverfunction
112 #undef PRVM_DECLARE_clientfunction
113 #undef PRVM_DECLARE_menufunction
114 #undef PRVM_DECLARE_field
115 #undef PRVM_DECLARE_global
116 #undef PRVM_DECLARE_function
117 };
118
119 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
120
121 prvm_required_field_t cl_reqglobals[] =
122 {
123 #define PRVM_DECLARE_serverglobalfloat(x)
124 #define PRVM_DECLARE_serverglobalvector(x)
125 #define PRVM_DECLARE_serverglobalstring(x)
126 #define PRVM_DECLARE_serverglobaledict(x)
127 #define PRVM_DECLARE_serverglobalfunction(x)
128 #define PRVM_DECLARE_clientglobalfloat(x) {ev_float, #x},
129 #define PRVM_DECLARE_clientglobalvector(x) {ev_vector, #x},
130 #define PRVM_DECLARE_clientglobalstring(x) {ev_string, #x},
131 #define PRVM_DECLARE_clientglobaledict(x) {ev_entity, #x},
132 #define PRVM_DECLARE_clientglobalfunction(x) {ev_function, #x},
133 #define PRVM_DECLARE_menuglobalfloat(x)
134 #define PRVM_DECLARE_menuglobalvector(x)
135 #define PRVM_DECLARE_menuglobalstring(x)
136 #define PRVM_DECLARE_menuglobaledict(x)
137 #define PRVM_DECLARE_menuglobalfunction(x)
138 #define PRVM_DECLARE_serverfieldfloat(x)
139 #define PRVM_DECLARE_serverfieldvector(x)
140 #define PRVM_DECLARE_serverfieldstring(x)
141 #define PRVM_DECLARE_serverfieldedict(x)
142 #define PRVM_DECLARE_serverfieldfunction(x)
143 #define PRVM_DECLARE_clientfieldfloat(x)
144 #define PRVM_DECLARE_clientfieldvector(x)
145 #define PRVM_DECLARE_clientfieldstring(x)
146 #define PRVM_DECLARE_clientfieldedict(x)
147 #define PRVM_DECLARE_clientfieldfunction(x)
148 #define PRVM_DECLARE_menufieldfloat(x)
149 #define PRVM_DECLARE_menufieldvector(x)
150 #define PRVM_DECLARE_menufieldstring(x)
151 #define PRVM_DECLARE_menufieldedict(x)
152 #define PRVM_DECLARE_menufieldfunction(x)
153 #define PRVM_DECLARE_serverfunction(x)
154 #define PRVM_DECLARE_clientfunction(x)
155 #define PRVM_DECLARE_menufunction(x)
156 #define PRVM_DECLARE_field(x)
157 #define PRVM_DECLARE_global(x)
158 #define PRVM_DECLARE_function(x)
159 #include "prvm_offsets.h"
160 #undef PRVM_DECLARE_serverglobalfloat
161 #undef PRVM_DECLARE_serverglobalvector
162 #undef PRVM_DECLARE_serverglobalstring
163 #undef PRVM_DECLARE_serverglobaledict
164 #undef PRVM_DECLARE_serverglobalfunction
165 #undef PRVM_DECLARE_clientglobalfloat
166 #undef PRVM_DECLARE_clientglobalvector
167 #undef PRVM_DECLARE_clientglobalstring
168 #undef PRVM_DECLARE_clientglobaledict
169 #undef PRVM_DECLARE_clientglobalfunction
170 #undef PRVM_DECLARE_menuglobalfloat
171 #undef PRVM_DECLARE_menuglobalvector
172 #undef PRVM_DECLARE_menuglobalstring
173 #undef PRVM_DECLARE_menuglobaledict
174 #undef PRVM_DECLARE_menuglobalfunction
175 #undef PRVM_DECLARE_serverfieldfloat
176 #undef PRVM_DECLARE_serverfieldvector
177 #undef PRVM_DECLARE_serverfieldstring
178 #undef PRVM_DECLARE_serverfieldedict
179 #undef PRVM_DECLARE_serverfieldfunction
180 #undef PRVM_DECLARE_clientfieldfloat
181 #undef PRVM_DECLARE_clientfieldvector
182 #undef PRVM_DECLARE_clientfieldstring
183 #undef PRVM_DECLARE_clientfieldedict
184 #undef PRVM_DECLARE_clientfieldfunction
185 #undef PRVM_DECLARE_menufieldfloat
186 #undef PRVM_DECLARE_menufieldvector
187 #undef PRVM_DECLARE_menufieldstring
188 #undef PRVM_DECLARE_menufieldedict
189 #undef PRVM_DECLARE_menufieldfunction
190 #undef PRVM_DECLARE_serverfunction
191 #undef PRVM_DECLARE_clientfunction
192 #undef PRVM_DECLARE_menufunction
193 #undef PRVM_DECLARE_field
194 #undef PRVM_DECLARE_global
195 #undef PRVM_DECLARE_function
196 };
197
198 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
199 {
200         prvm_prog_t *prog = CLVM_prog;
201         if(cl.csqc_loaded)
202         {
203                 CSQC_BEGIN
204                 PRVM_clientglobalfloat(dmg_take) = dmg_take;
205                 PRVM_clientglobalfloat(dmg_save) = dmg_save;
206                 VectorCopy(dmg_origin, PRVM_clientglobalvector(dmg_origin));
207                 CSQC_END
208         }
209 }
210
211 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
212 {
213         prvm_prog_t *prog = CLVM_prog;
214         if(!cl.csqc_loaded)
215                 return;
216         CSQC_BEGIN
217         PRVM_clientglobalfloat(servertime) = newtime;
218         PRVM_clientglobalfloat(serverprevtime) = oldtime;
219         PRVM_clientglobalfloat(serverdeltatime) = newtime - oldtime;
220         CSQC_END
221 }
222
223 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
224 static void CSQC_SetGlobals (double frametime)
225 {
226         vec3_t pmove_org;
227         prvm_prog_t *prog = CLVM_prog;
228         CSQC_BEGIN
229                 PRVM_clientglobalfloat(time) = cl.time;
230                 PRVM_clientglobalfloat(cltime) = realtime; // Spike named it that way.
231                 PRVM_clientglobalfloat(frametime) = frametime;
232                 PRVM_clientglobalfloat(servercommandframe) = cls.servermovesequence;
233                 PRVM_clientglobalfloat(clientcommandframe) = cl.movecmd[0].sequence;
234                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(input_angles));
235                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
236                 PRVM_clientglobalfloat(input_buttons) = cl.movecmd[0].buttons;
237                 VectorSet(PRVM_clientglobalvector(input_movevalues), cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
238                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
239                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
240
241                 // LadyHavoc: Spike says not to do this, but without pmove_org the
242                 // CSQC is useless as it can't alter the view origin without
243                 // completely replacing it
244                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, pmove_org);
245                 VectorCopy(pmove_org, PRVM_clientglobalvector(pmove_org));
246                 VectorCopy(cl.movement_velocity, PRVM_clientglobalvector(pmove_vel));
247                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
248                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
249
250                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
251                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
252                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
253                 PRVM_clientglobalfloat(maxclients) = cl.maxclients;
254
255                 PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
256
257                 CSQC_R_RecalcView();
258         CSQC_END
259 }
260
261 void CSQC_Predraw (prvm_edict_t *ed)
262 {
263         prvm_prog_t *prog = CLVM_prog;
264         int b;
265         if(!PRVM_clientedictfunction(ed, predraw))
266                 return;
267         b = PRVM_clientglobaledict(self);
268         PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
269         // optional entity parameter for self (EXT_ENTITYPARAM)
270         PRVM_G_INT(OFS_PARM0) = PRVM_EDICT_TO_PROG(ed);
271         prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, predraw), "CSQC_Predraw: NULL function\n");
272         PRVM_clientglobaledict(self) = b;
273 }
274
275 void CSQC_Think (prvm_edict_t *ed)
276 {
277         prvm_prog_t *prog = CLVM_prog;
278         int b;
279         if(PRVM_clientedictfunction(ed, think))
280         if(PRVM_clientedictfloat(ed, nextthink) && PRVM_clientedictfloat(ed, nextthink) <= PRVM_clientglobalfloat(time))
281         {
282                 PRVM_clientedictfloat(ed, nextthink) = 0;
283                 b = PRVM_clientglobaledict(self);
284                 PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
285                 // optional entity parameter for self (EXT_ENTITYPARAM)
286                 PRVM_G_INT(OFS_PARM0) = PRVM_EDICT_TO_PROG(ed);
287                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, think), "CSQC_Think: NULL function\n");
288                 PRVM_clientglobaledict(self) = b;
289         }
290 }
291
292 extern cvar_t cl_noplayershadow;
293 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
294 {
295         prvm_prog_t *prog = CLVM_prog;
296         int renderflags;
297         int c;
298         float scale;
299         entity_render_t *entrender;
300         dp_model_t *model;
301         prvm_vec3_t modellight_origin;
302
303         model = CL_GetModelFromEdict(ed);
304         if (!model)
305                 return false;
306
307         if (edictnum)
308         {
309                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
310                         return false;
311                 entrender = cl.csqcrenderentities + edictnum;
312                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
313                 entrender->entitynumber = edictnum + MAX_EDICTS;
314                 //entrender->shadertime = 0; // shadertime was set by spawn()
315                 entrender->flags = 0;
316                 entrender->effects = 0;
317                 entrender->alpha = 1;
318                 entrender->scale = 1;
319                 VectorSet(entrender->colormod, 1, 1, 1);
320                 VectorSet(entrender->glowmod, 1, 1, 1);
321                 entrender->allowdecals = true;
322         }
323         else
324         {
325                 entrender = CL_NewTempEntity(0);
326                 if (!entrender)
327                         return false;
328         }
329
330         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
331         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
332         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
333         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
334
335         entrender->model = model;
336         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
337         entrender->effects |= entrender->model->effects;
338         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
339         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
340         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
341         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
342         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
343         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
344         if (!entrender->alpha)
345                 entrender->alpha = 1.0f;
346         if (!entrender->scale)
347                 entrender->scale = scale = 1.0f;
348         if (!VectorLength2(entrender->colormod))
349                 VectorSet(entrender->colormod, 1, 1, 1);
350         if (!VectorLength2(entrender->glowmod))
351                 VectorSet(entrender->glowmod, 1, 1, 1);
352
353         // LadyHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
354         // this also sets the custommodellight_origin for us
355         CL_GetTagMatrix(prog, &entrender->matrix, ed, 0, modellight_origin);
356         VectorCopy(modellight_origin, entrender->custommodellight_origin);
357
358         // set up the animation data
359         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
360         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, cl.time);
361         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
362         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
363                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
364
365         // transparent offset
366         if (renderflags & RF_USETRANSPARENTOFFSET)
367                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
368
369         // model light
370         if (renderflags & RF_MODELLIGHT)
371         {
372                 if (PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->custommodellight_ambient); else VectorClear(entrender->custommodellight_ambient);
373                 if (PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->custommodellight_diffuse); else VectorClear(entrender->custommodellight_diffuse);
374                 if (PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->custommodellight_lightdir);    else VectorClear(entrender->custommodellight_lightdir);
375                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
376         }
377
378         if(renderflags)
379         {
380                 if(renderflags & RF_VIEWMODEL) entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
381                 if(renderflags & RF_EXTERNALMODEL) entrender->flags |= RENDER_EXTERIORMODEL;
382                 if(renderflags & RF_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
383                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
384                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
385                 if(renderflags & RF_DYNAMICMODELLIGHT) entrender->flags |= RENDER_DYNAMICMODELLIGHT;
386         }
387
388         c = (int)PRVM_clientedictfloat(ed, colormap);
389         if (c <= 0)
390                 CL_SetEntityColormapColors(entrender, -1);
391         else if (c <= cl.maxclients && cl.scores != NULL)
392                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
393         else
394                 CL_SetEntityColormapColors(entrender, c);
395
396         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
397         // either fullbright or lit
398         if(!r_fullbright.integer)
399         {
400                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
401                         entrender->flags |= RENDER_LIGHT;
402         }
403         // hide player shadow during intermission or nehahra movie
404         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
405          &&  (entrender->alpha >= 1)
406          && !(renderflags & RF_NOSHADOW)
407          && !(entrender->flags & RENDER_VIEWMODEL)
408          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
409                 entrender->flags |= RENDER_SHADOW;
410         if (entrender->flags & RENDER_VIEWMODEL)
411                 entrender->flags |= RENDER_NOSELFSHADOW;
412         if (entrender->effects & EF_NOSELFSHADOW)
413                 entrender->flags |= RENDER_NOSELFSHADOW;
414         if (entrender->effects & EF_NODEPTHTEST)
415                 entrender->flags |= RENDER_NODEPTHTEST;
416         if (entrender->effects & EF_ADDITIVE)
417                 entrender->flags |= RENDER_ADDITIVE;
418         if (entrender->effects & EF_DOUBLESIDED)
419                 entrender->flags |= RENDER_DOUBLESIDED;
420         if (entrender->effects & EF_DYNAMICMODELLIGHT)
421                 entrender->flags |= RENDER_DYNAMICMODELLIGHT;
422
423         // make the other useful stuff
424         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
425         CL_UpdateRenderEntity(entrender);
426
427         // override animation data with full control
428         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
429         if (ed->priv.server->skeleton.relativetransforms)
430                 entrender->skeleton = &ed->priv.server->skeleton;
431         else
432                 entrender->skeleton = NULL;
433
434         return true;
435 }
436
437 // 0 = keydown, key, character (EXT_CSQC)
438 // 1 = keyup, key, character (EXT_CSQC)
439 // 2 = mousemove relative, x, y (EXT_CSQC)
440 // 3 = mousemove absolute, x, y (DP_CSQC)
441 qboolean CL_VM_InputEvent (int eventtype, float x, float y)
442 {
443         prvm_prog_t *prog = CLVM_prog;
444         qboolean r;
445
446         if(!cl.csqc_loaded)
447                 return false;
448
449         CSQC_BEGIN
450                 if (!PRVM_clientfunction(CSQC_InputEvent))
451                         r = false;
452                 else
453                 {
454                         PRVM_clientglobalfloat(time) = cl.time;
455                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
456                         PRVM_G_FLOAT(OFS_PARM0) = eventtype;
457                         PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
458                         PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
459                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
460                         r = CSQC_RETURNVAL != 0;
461                 }
462         CSQC_END
463         return r;
464 }
465
466 extern r_refdef_view_t csqc_original_r_refdef_view;
467 extern r_refdef_view_t csqc_main_r_refdef_view;
468 qboolean CL_VM_UpdateView (double frametime)
469 {
470         prvm_prog_t *prog = CLVM_prog;
471         vec3_t emptyvector;
472         emptyvector[0] = 0;
473         emptyvector[1] = 0;
474         emptyvector[2] = 0;
475 //      vec3_t oldangles;
476         if(!cl.csqc_loaded)
477                 return false;
478         R_TimeReport("pre-UpdateView");
479         CSQC_BEGIN
480                 csqc_original_r_refdef_view = r_refdef.view;
481                 csqc_main_r_refdef_view = r_refdef.view;
482                 //VectorCopy(cl.viewangles, oldangles);
483                 PRVM_clientglobalfloat(time) = cl.time;
484                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
485                 CSQC_SetGlobals(frametime);
486                 // clear renderable entity and light lists to prevent crashes if the
487                 // CSQC_UpdateView function does not call R_ClearScene as it should
488                 r_refdef.scene.numentities = 0;
489                 r_refdef.scene.numlights = 0;
490                 // polygonbegin without draw2d arg has to guess
491                 prog->polygonbegin_guess2d = false;
492                 // free memory for resources that are no longer referenced
493                 PRVM_GarbageCollection(prog);
494                 // pass in width and height as parameters (EXT_CSQC_1)
495                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
496                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
497                 PRVM_G_INT(OFS_PARM2) = cl.csqc_server2csqcentitynumber[cl.playerentity];
498                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
499                 //VectorCopy(oldangles, cl.viewangles);
500                 // Dresk : Reset Dmg Globals Here
501                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
502                 r_refdef.view = csqc_main_r_refdef_view;
503                 R_RenderView_UpdateViewVectors(); // we have to do this, as we undid the scene render doing this for us
504         CSQC_END
505
506         R_TimeReport("UpdateView");
507         return true;
508 }
509
510 qboolean CL_VM_ConsoleCommand (const char *cmd)
511 {
512         prvm_prog_t *prog = CLVM_prog;
513         int restorevm_tempstringsbuf_cursize;
514         qboolean r = false;
515         if(!cl.csqc_loaded)
516                 return false;
517         CSQC_BEGIN
518         if (PRVM_clientfunction(CSQC_ConsoleCommand))
519         {
520                 PRVM_clientglobalfloat(time) = cl.time;
521                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
522                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
523                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, cmd);
524                 // optional entity parameter for self (EXT_ENTITYPARAM)
525                 PRVM_G_INT(OFS_PARM1) = cl.csqc_server2csqcentitynumber[cl.playerentity];
526                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
527                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
528                 r = CSQC_RETURNVAL != 0;
529         }
530         CSQC_END
531         return r;
532 }
533
534 qboolean CL_VM_Parse_TempEntity (void)
535 {
536         prvm_prog_t *prog = CLVM_prog;
537         int                     t;
538         qboolean        r = false;
539         if(!cl.csqc_loaded)
540                 return false;
541         CSQC_BEGIN
542         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
543         {
544                 t = cl_message.readcount;
545                 PRVM_clientglobalfloat(time) = cl.time;
546                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
547                 // optional entity parameter for self (EXT_ENTITYPARAM)
548                 PRVM_G_INT(OFS_PARM0) = cl.csqc_server2csqcentitynumber[cl.playerentity];
549                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
550                 r = CSQC_RETURNVAL != 0;
551                 if(!r)
552                 {
553                         cl_message.readcount = t;
554                         cl_message.badread = false;
555                 }
556         }
557         CSQC_END
558         return r;
559 }
560
561 void CL_VM_Parse_StuffCmd (const char *msg)
562 {
563         prvm_prog_t *prog = CLVM_prog;
564         int restorevm_tempstringsbuf_cursize;
565         if(msg[0] == 'c')
566         if(msg[1] == 's')
567         if(msg[2] == 'q')
568         if(msg[3] == 'c')
569         {
570                 // if this is setting a csqc variable, deprotect csqc_progcrc
571                 // temporarily so that it can be set by the cvar command,
572                 // and then reprotect it afterwards
573                 int crcflags = csqc_progcrc.flags;
574                 int sizeflags = csqc_progcrc.flags;
575                 csqc_progcrc.flags &= ~CVAR_READONLY;
576                 csqc_progsize.flags &= ~CVAR_READONLY;
577                 Cmd_ExecuteString(&cmd_clientfromserver, msg, src_command, true);
578                 csqc_progcrc.flags = crcflags;
579                 csqc_progsize.flags = sizeflags;
580                 return;
581         }
582
583         if(cls.demoplayback)
584         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
585         {
586                 // special handling for map download commands
587                 // run these commands IMMEDIATELY, instead of waiting for a client frame
588                 // that way, there is no black screen when playing back demos
589                 // I know this is a really ugly hack, but I can't think of any better way
590                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
591                 // until all maps are loaded, then remove this hack
592
593                 char buf[MAX_INPUTLINE];
594                 const char *p, *q;
595                 size_t l;
596
597                 p = msg;
598
599                 for(;;)
600                 {
601                         q = strchr(p, '\n');
602                         if(q)
603                                 l = q - p;
604                         else
605                                 l = strlen(p);
606                         if(l > sizeof(buf) - 1)
607                                 l = sizeof(buf) - 1;
608                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
609
610                         Cmd_ExecuteString(&cmd_clientfromserver, buf, src_command, true);
611
612                         p += l;
613                         if(*p == '\n')
614                                 ++p; // skip the newline and continue
615                         else
616                                 break; // end of string or overflow
617                 }
618                 Cmd_ExecuteString(&cmd_clientfromserver, "curl --clear_autodownload", src_command, true); // don't inhibit CSQC loading
619                 return;
620         }
621
622         if(!cl.csqc_loaded)
623         {
624                 Cbuf_AddText(&cmd_clientfromserver, msg);
625                 return;
626         }
627         CSQC_BEGIN
628         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
629         {
630                 PRVM_clientglobalfloat(time) = cl.time;
631                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
632                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
633                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
634                 // optional entity parameter for self (EXT_ENTITYPARAM)
635                 PRVM_G_INT(OFS_PARM1) = cl.csqc_server2csqcentitynumber[cl.playerentity];
636                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
637                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
638         }
639         else
640                 Cbuf_AddText(&cmd_clientfromserver, msg);
641         CSQC_END
642 }
643
644 static void CL_VM_Parse_Print (const char *msg)
645 {
646         prvm_prog_t *prog = CLVM_prog;
647         int restorevm_tempstringsbuf_cursize;
648         PRVM_clientglobalfloat(time) = cl.time;
649         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
650         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
651         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
652         // optional entity parameter for self (EXT_ENTITYPARAM)
653         PRVM_G_INT(OFS_PARM1) = cl.csqc_server2csqcentitynumber[cl.playerentity];
654         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
655         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
656 }
657
658 void CSQC_AddPrintText (const char *msg)
659 {
660         prvm_prog_t *prog = CLVM_prog;
661         size_t i;
662         if(!cl.csqc_loaded)
663         {
664                 Con_Print(msg);
665                 return;
666         }
667         CSQC_BEGIN
668         if(PRVM_clientfunction(CSQC_Parse_Print))
669         {
670                 // FIXME: is this bugged?
671                 i = strlen(msg)-1;
672                 if(msg[i] != '\n' && msg[i] != '\r')
673                 {
674                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
675                         {
676                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
677                                 cl.csqc_printtextbuf[0] = 0;
678                         }
679                         else
680                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
681                         return;
682                 }
683                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
684                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
685                 cl.csqc_printtextbuf[0] = 0;
686         }
687         else
688                 Con_Print(msg);
689         CSQC_END
690 }
691
692 void CL_VM_Parse_CenterPrint (const char *msg)
693 {
694         prvm_prog_t *prog = CLVM_prog;
695         int restorevm_tempstringsbuf_cursize;
696         if(!cl.csqc_loaded)
697         {
698                 SCR_CenterPrint(msg);
699                 return;
700         }
701         CSQC_BEGIN
702         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
703         {
704                 PRVM_clientglobalfloat(time) = cl.time;
705                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
706                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
707                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
708                 // optional entity parameter for self (EXT_ENTITYPARAM)
709                 PRVM_G_INT(OFS_PARM1) = cl.csqc_server2csqcentitynumber[cl.playerentity];
710                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
711                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
712         }
713         else
714                 SCR_CenterPrint(msg);
715         CSQC_END
716 }
717
718 void CL_VM_UpdateIntermissionState (int intermission)
719 {
720         prvm_prog_t *prog = CLVM_prog;
721         if(cl.csqc_loaded)
722         {
723                 CSQC_BEGIN
724                 PRVM_clientglobalfloat(intermission) = intermission;
725                 CSQC_END
726         }
727 }
728 void CL_VM_UpdateShowingScoresState (int showingscores)
729 {
730         prvm_prog_t *prog = CLVM_prog;
731         if(cl.csqc_loaded)
732         {
733                 CSQC_BEGIN
734                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
735                 CSQC_END
736         }
737 }
738 qboolean CL_VM_Event_Sound(int sound_num, float fvolume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
739 {
740         prvm_prog_t *prog = CLVM_prog;
741         qboolean r = false;
742         if(cl.csqc_loaded)
743         {
744                 CSQC_BEGIN
745                 if(PRVM_clientfunction(CSQC_Event_Sound))
746                 {
747                         PRVM_clientglobalfloat(time) = cl.time;
748                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
749                         PRVM_G_FLOAT(OFS_PARM0) = ent;
750                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
751                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, cl.sound_name[sound_num] );
752                         PRVM_G_FLOAT(OFS_PARM3) = fvolume;
753                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
754                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
755                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
756                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
757                         // NOTE: entity parameter can't be used here, as there are not enough offsets available
758                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
759                         r = CSQC_RETURNVAL != 0;
760                 }
761                 CSQC_END
762         }
763
764         return r;
765 }
766 static void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
767 {
768         prvm_prog_t *prog = CLVM_prog;
769         // Avoid global names for clean(er) coding
770         int localcoop;
771         int localdeathmatch;
772
773         if(cl.csqc_loaded)
774         {
775                 if(gametype == GAME_COOP)
776                 {
777                         localcoop = 1;
778                         localdeathmatch = 0;
779                 }
780                 else
781                 if(gametype == GAME_DEATHMATCH)
782                 {
783                         localcoop = 0;
784                         localdeathmatch = 1;
785                 }
786                 else
787                 {
788                         // How did the ServerInfo send an unknown gametype?
789                         // Better just assign the globals as 0...
790                         localcoop = 0;
791                         localdeathmatch = 0;
792                 }
793                 CSQC_BEGIN
794                 PRVM_clientglobalfloat(coop) = localcoop;
795                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
796                 CSQC_END
797         }
798 }
799 #if 0
800 static float CL_VM_Event (float event)          //[515]: needed ? I'd say "YES", but don't know for what :D
801 {
802         prvm_prog_t *prog = CLVM_prog;
803         float r = 0;
804         if(!cl.csqc_loaded)
805                 return 0;
806         CSQC_BEGIN
807         if(PRVM_clientfunction(CSQC_Event))
808         {
809                 PRVM_clientglobalfloat(time) = cl.time;
810                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
811                 PRVM_G_FLOAT(OFS_PARM0) = event;
812                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
813                 r = CSQC_RETURNVAL;
814         }
815         CSQC_END
816         return r;
817 }
818 #endif
819
820 void CSQC_ReadEntities (void)
821 {
822         prvm_prog_t *prog = CLVM_prog;
823         unsigned short entnum, oldself, realentnum;
824         if(!cl.csqc_loaded)
825         {
826                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
827                 return;
828         }
829
830         CSQC_BEGIN
831                 PRVM_clientglobalfloat(time) = cl.time;
832                 oldself = PRVM_clientglobaledict(self);
833                 while(1)
834                 {
835                         entnum = MSG_ReadShort(&cl_message);
836                         if(!entnum || cl_message.badread)
837                                 break;
838                         realentnum = entnum & 0x7FFF;
839                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
840                         if(entnum & 0x8000)
841                         {
842                                 if(PRVM_clientglobaledict(self))
843                                 {
844                                         // optional entity parameter for self (EXT_ENTITYPARAM)
845                                         PRVM_G_INT(OFS_PARM0) = cl.csqc_server2csqcentitynumber[realentnum];
846                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
847                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
848                                 }
849                                 else
850                                 {
851                                         // LadyHavoc: removing an entity that is already gone on
852                                         // the csqc side is possible for legitimate reasons (such
853                                         // as a repeat of the remove message), so no warning is
854                                         // needed
855                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
856                                 }
857                         }
858                         else
859                         {
860                                 if(!PRVM_clientglobaledict(self))
861                                 {
862                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
863                                         {
864                                                 prvm_edict_t    *ed;
865                                                 ed = PRVM_ED_Alloc(prog);
866                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
867                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
868                                         }
869                                         else
870                                         {
871                                                 // entity( float entnum ) CSQC_Ent_Spawn;
872                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
873                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
874                                                 // make sure no one gets wrong ideas
875                                                 PRVM_clientglobaledict(self) = 0;
876                                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
877                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
878                                         }
879                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
880                                         // optional entity parameter for self (EXT_ENTITYPARAM)
881                                         PRVM_G_INT(OFS_PARM1) = cl.csqc_server2csqcentitynumber[realentnum];
882                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
883                                 }
884                                 else {
885                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
886                                         // optional entity parameter for self (EXT_ENTITYPARAM)
887                                         PRVM_G_INT(OFS_PARM1) = cl.csqc_server2csqcentitynumber[realentnum];
888                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
889                                 }
890                         }
891                 }
892                 PRVM_clientglobaledict(self) = oldself;
893         CSQC_END
894 }
895
896 static void CLVM_begin_increase_edicts(prvm_prog_t *prog)
897 {
898         // links don't survive the transition, so unlink everything
899         World_UnlinkAll(&cl.world);
900 }
901
902 static void CLVM_end_increase_edicts(prvm_prog_t *prog)
903 {
904         int i;
905         prvm_edict_t *ent;
906
907         // link every entity except world
908         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
909                 if (!ent->priv.server->free && !VectorCompare(PRVM_clientedictvector(ent, absmin), PRVM_clientedictvector(ent, absmax)))
910                         CL_LinkEdict(ent);
911 }
912
913 static void CLVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
914 {
915         int edictnum = PRVM_NUM_FOR_EDICT(e);
916         entity_render_t *entrender;
917         CL_ExpandCSQCRenderEntities(edictnum);
918         entrender = cl.csqcrenderentities + edictnum;
919         e->priv.server->move = false; // don't move on first frame
920         memset(entrender, 0, sizeof(*entrender));
921         entrender->shadertime = cl.time;
922 }
923
924 static void CLVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
925 {
926         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
927         R_DecalSystem_Reset(&entrender->decalsystem);
928         memset(entrender, 0, sizeof(*entrender));
929         World_UnlinkEdict(ed);
930         memset(ed->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
931         VM_RemoveEdictSkeleton(prog, ed);
932         World_Physics_RemoveFromEntity(&cl.world, ed);
933         World_Physics_RemoveJointFromEntity(&cl.world, ed);
934 }
935
936 static void CLVM_count_edicts(prvm_prog_t *prog)
937 {
938         int             i;
939         prvm_edict_t    *ent;
940         int             active = 0, models = 0, solid = 0;
941
942         for (i=0 ; i<prog->num_edicts ; i++)
943         {
944                 ent = PRVM_EDICT_NUM(i);
945                 if (ent->priv.server->free)
946                         continue;
947                 active++;
948                 if (PRVM_clientedictfloat(ent, solid))
949                         solid++;
950                 if (PRVM_clientedictstring(ent, model))
951                         models++;
952         }
953
954         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
955         Con_Printf("active    :%3i\n", active);
956         Con_Printf("view      :%3i\n", models);
957         Con_Printf("touch     :%3i\n", solid);
958 }
959
960 static qboolean CLVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
961 {
962         return true;
963 }
964
965 // returns true if the packet is valid, false if end of file is reached
966 // used for dumping the CSQC download into demo files
967 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
968 {
969         int packetsize = buf->maxsize - 7; // byte short long
970         int npackets = ((int)len + packetsize - 1) / (packetsize);
971         char vabuf[1024];
972
973         if(protocol == PROTOCOL_QUAKEWORLD)
974                 return false; // CSQC can't run in QW anyway
975
976         SZ_Clear(buf);
977         if(cnt == 0)
978         {
979                 MSG_WriteByte(buf, svc_stufftext);
980                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
981                 return true;
982         }
983         else if(cnt >= 1 && cnt <= npackets)
984         {
985                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
986                 int thispacketsize = (int)len - thispacketoffset;
987                 if(thispacketsize > packetsize)
988                         thispacketsize = packetsize;
989
990                 MSG_WriteByte(buf, svc_downloaddata);
991                 MSG_WriteLong(buf, thispacketoffset);
992                 MSG_WriteShort(buf, thispacketsize);
993                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
994
995                 return true;
996         }
997         else if(cnt == npackets + 1)
998         {
999                 MSG_WriteByte(buf, svc_stufftext);
1000                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
1001                 return true;
1002         }
1003         return false;
1004 }
1005
1006 extern cvar_t csqc_usedemoprogs;
1007 void CL_VM_Init (void)
1008 {
1009         prvm_prog_t *prog = CLVM_prog;
1010         const char* csprogsfn = NULL;
1011         unsigned char *csprogsdata = NULL;
1012         fs_offset_t csprogsdatasize = 0;
1013         int csprogsdatacrc, requiredcrc;
1014         int requiredsize;
1015         char vabuf[1024];
1016
1017         // reset csqc_progcrc after reading it, so that changing servers doesn't
1018         // expect csqc on the next server
1019         requiredcrc = csqc_progcrc.integer;
1020         requiredsize = csqc_progsize.integer;
1021         Cvar_SetValueQuick(&csqc_progcrc, -1);
1022         Cvar_SetValueQuick(&csqc_progsize, -1);
1023
1024         // if the server is not requesting a csprogs, then we're done here
1025         if (requiredcrc < 0)
1026                 return;
1027
1028         // see if the requested csprogs.dat file matches the requested crc
1029         if (!cls.demoplayback || csqc_usedemoprogs.integer)
1030         {
1031                 csprogsfn = va(vabuf, sizeof(vabuf), "dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
1032                 if(cls.caughtcsprogsdata && cls.caughtcsprogsdatasize == requiredsize && CRC_Block(cls.caughtcsprogsdata, (size_t)cls.caughtcsprogsdatasize) == requiredcrc)
1033                 {
1034                         Con_DPrintf("Using buffered \"%s\"\n", csprogsfn);
1035                         csprogsdata = cls.caughtcsprogsdata;
1036                         csprogsdatasize = cls.caughtcsprogsdatasize;
1037                         cls.caughtcsprogsdata = NULL;
1038                         cls.caughtcsprogsdatasize = 0;
1039                 }
1040                 else
1041                 {
1042                         Con_DPrintf("Not using buffered \"%s\" (buffered: %p, %d)\n", csprogsfn, cls.caughtcsprogsdata, (int) cls.caughtcsprogsdatasize);
1043                         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1044                 }
1045         }
1046         if (!csprogsdata)
1047         {
1048                 csprogsfn = csqc_progname.string;
1049                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1050         }
1051         if (csprogsdata)
1052         {
1053                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
1054                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
1055                 {
1056                         if (cls.demoplayback)
1057                         {
1058                                 Con_Warnf("Warning: Your %s is not the same version as the demo was recorded with (CRC/size are %i/%i but should be %i/%i)\n", csqc_progname.string, csprogsdatacrc, (int)csprogsdatasize, requiredcrc, requiredsize);
1059                                 // Mem_Free(csprogsdata);
1060                                 // return;
1061                                 // We WANT to continue here, and play the demo with different csprogs!
1062                                 // After all, this is just a warning. Sure things may go wrong from here.
1063                         }
1064                         else
1065                         {
1066                                 Mem_Free(csprogsdata);
1067                                 Con_Errorf("Your %s is not the same version as the server (CRC is %i/%i but should be %i/%i)\n", csqc_progname.string, csprogsdatacrc, (int)csprogsdatasize, requiredcrc, requiredsize);
1068                                 CL_Disconnect();
1069                                 return;
1070                         }
1071                 }
1072         }
1073         else
1074         {
1075                 if (requiredcrc >= 0)
1076                 {
1077                         if (cls.demoplayback)
1078                                 Con_Errorf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1079                         else
1080                                 Con_Errorf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1081                         CL_Disconnect();
1082                 }
1083                 return;
1084         }
1085
1086         PRVM_Prog_Init(prog, &cmd_client);
1087
1088         // allocate the mempools
1089         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1090         prog->edictprivate_size = 0; // no private struct used
1091         prog->name = "client";
1092         prog->num_edicts = 1;
1093         prog->max_edicts = 512;
1094         prog->limit_edicts = CL_MAX_EDICTS;
1095         prog->reserved_edicts = 0;
1096         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1097         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1098         prog->extensionstring = vm_sv_extensions;
1099         prog->builtins = vm_cl_builtins;
1100         prog->numbuiltins = vm_cl_numbuiltins;
1101
1102         // all callbacks must be defined (pointers are not checked before calling)
1103         prog->begin_increase_edicts = CLVM_begin_increase_edicts;
1104         prog->end_increase_edicts   = CLVM_end_increase_edicts;
1105         prog->init_edict            = CLVM_init_edict;
1106         prog->free_edict            = CLVM_free_edict;
1107         prog->count_edicts          = CLVM_count_edicts;
1108         prog->load_edict            = CLVM_load_edict;
1109         prog->init_cmd              = CLVM_init_cmd;
1110         prog->reset_cmd             = CLVM_reset_cmd;
1111         prog->error_cmd             = Host_Error;
1112         prog->ExecuteProgram        = CLVM_ExecuteProgram;
1113
1114         PRVM_Prog_Load(prog, csprogsfn, csprogsdata, csprogsdatasize, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1115
1116         if (!prog->loaded)
1117         {
1118                 Host_Error("CSQC %s failed to load\n", csprogsfn);
1119                 if(!sv.active)
1120                         CL_Disconnect();
1121                 Mem_Free(csprogsdata);
1122                 return;
1123         }
1124
1125         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1126
1127         if(cls.demorecording)
1128         {
1129                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1130                 {
1131                         int i;
1132                         static char buf[NET_MAXMESSAGE];
1133                         sizebuf_t sb;
1134                         unsigned char *demobuf; fs_offset_t demofilesize;
1135
1136                         sb.data = (unsigned char *) buf;
1137                         sb.maxsize = sizeof(buf);
1138                         i = 0;
1139
1140                         CL_CutDemo(&demobuf, &demofilesize);
1141                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1142                                 CL_WriteDemoMessage(&sb);
1143                         CL_PasteDemo(&demobuf, &demofilesize);
1144
1145                         cls.demo_lastcsprogssize = csprogsdatasize;
1146                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1147                 }
1148         }
1149         Mem_Free(csprogsdata);
1150
1151         // check if OP_STATE animation is possible in this dat file
1152         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1153                 prog->flag |= PRVM_OP_STATE;
1154
1155         // set time
1156         PRVM_clientglobalfloat(time) = cl.time;
1157         PRVM_clientglobaledict(self) = 0;
1158
1159         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(prog, cl.worldname);
1160         PRVM_clientglobalfloat(player_localnum) = cl.realplayerentity - 1;
1161         PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
1162
1163         // set map description (use world entity 0)
1164         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(prog, cl.worldmessage);
1165         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1166         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1167         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, absmin));
1168         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, absmax));
1169
1170         // call the prog init
1171         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1172
1173         // Once CSQC_Init was called, we consider csqc code fully initialized.
1174         prog->inittime = realtime;
1175
1176         cl.csqc_loaded = true;
1177
1178         cl.csqc_vidvars.drawcrosshair = false;
1179         cl.csqc_vidvars.drawenginesbar = false;
1180
1181         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1182         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1183 }
1184
1185 void CL_VM_ShutDown (void)
1186 {
1187         prvm_prog_t *prog = CLVM_prog;
1188         Cmd_ClearCSQCCommands(&cmd_client);
1189         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1190         //Cvar_SetValueQuick(&csqc_progsize, -1);
1191         if(!cl.csqc_loaded)
1192                 return;
1193         CSQC_BEGIN
1194                 if (prog->loaded)
1195                 {
1196                         PRVM_clientglobalfloat(time) = cl.time;
1197                         PRVM_clientglobaledict(self) = 0;
1198                         if (PRVM_clientfunction(CSQC_Shutdown))
1199                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1200                 }
1201                 PRVM_Prog_Reset(prog);
1202         CSQC_END
1203         Con_DPrint("CSQC ^1unloaded\n");
1204         cl.csqc_loaded = false;
1205 }
1206
1207 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1208 {
1209         prvm_prog_t *prog = CLVM_prog;
1210         prvm_edict_t *ed;
1211         dp_model_t *mod;
1212         matrix4x4_t matrix;
1213         qboolean r = 0;
1214
1215         CSQC_BEGIN;
1216
1217         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1218
1219         if(!ed->priv.required->free)
1220         {
1221                 mod = CL_GetModelFromEdict(ed);
1222                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1223                 if(CL_GetTagMatrix(prog, &matrix, ed, 0, NULL) == 0)
1224                         Matrix4x4_OriginFromMatrix(&matrix, out);
1225                 if (mod && mod->soundfromcenter)
1226                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1227                 r = 1;
1228         }
1229
1230         CSQC_END;
1231
1232         return r;
1233 }
1234
1235 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1236 {
1237         prvm_prog_t *prog = CLVM_prog;
1238         qboolean ret = false;
1239         prvm_edict_t *ed;
1240         vec3_t forward, left, up, origin, ang;
1241         matrix4x4_t mat, matq;
1242
1243         CSQC_BEGIN
1244                 ed = PRVM_EDICT_NUM(entnum);
1245                 // camera:
1246                 //   camera_transform
1247                 if(PRVM_clientedictfunction(ed, camera_transform))
1248                 {
1249                         ret = true;
1250                         if(viewmatrix && clipplane && visorigin)
1251                         {
1252                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1253                                 AnglesFromVectors(ang, forward, up, false);
1254                                 PRVM_clientglobalfloat(time) = cl.time;
1255                                 PRVM_clientglobaledict(self) = entnum;
1256                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1257                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1258                                 // optional entity parameter for self (EXT_ENTITYPARAM)
1259                                 PRVM_G_INT(OFS_PARM2) = entnum;
1260                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1261                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1262                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1263                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1264                                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1265                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1266                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1267                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1268                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1269                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1270                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1271                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1272                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1273                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, clipplane->normal_and_dist);
1274                         }
1275                 }
1276         CSQC_END
1277
1278         return ret;
1279 }
1280
1281 int CL_VM_GetViewEntity(void)
1282 {
1283         if(cl.csqc_server2csqcentitynumber[cl.viewentity])
1284                 return cl.csqc_server2csqcentitynumber[cl.viewentity] + MAX_EDICTS;
1285         return cl.viewentity;
1286 }