csprogs.c

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