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