csprogs.c

   1 #include "quakedef.h"
   2 #include "progsvm.h"
   3 #include "clprogdefs.h"
   4 #include "csprogs.h"
   5 #include "cl_collision.h"
   6 #include "snd_main.h"
   7 #include "clvm_cmds.h"
   8 #include "prvm_cmds.h"
   9
  10 //============================================================================
  11 // Client prog handling
  12 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
  13
  14 #define CSQC_RETURNVAL  prog->globals.generic[OFS_RETURN]
  15 #define CSQC_BEGIN              csqc_tmpprog=prog;prog=0;PRVM_SetProg(PRVM_CLIENTPROG);
  16 #define CSQC_END                prog=csqc_tmpprog;
  17
  18 static prvm_prog_t *csqc_tmpprog;
  19
  20 void CL_VM_PreventInformationLeaks(void)
  21 {
  22         if(!cl.csqc_loaded)
  23                 return;
  24         CSQC_BEGIN
  25                 VM_ClearTraceGlobals();
  26                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.trace_networkentity) = 0;
  27         CSQC_END
  28 }
  29
  30 //[515]: these are required funcs
  31 static const char *cl_required_func[] =
  32 {
  33         "CSQC_Init",
  34         "CSQC_InputEvent",
  35         "CSQC_UpdateView",
  36         "CSQC_ConsoleCommand",
  37 };
  38
  39 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  40
  41 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
  42 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
  43 {
  44         char errorstring[4096];
  45         va_list argptr;
  46
  47         va_start (argptr, format);
  48         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
  49         va_end (argptr);
  50 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
  51
  52         PRVM_Crash();
  53         cl.csqc_loaded = false;
  54
  55         Cvar_SetValueQuick(&csqc_progcrc, -1);
  56         Cvar_SetValueQuick(&csqc_progsize, -1);
  57
  58 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
  59         Host_Error("CL_VM_Error: %s", errorstring);
  60 }
  61 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
  62 {
  63         if(cl.csqc_loaded)
  64         {
  65                 CSQC_BEGIN
  66                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.dmg_take) = dmg_take;
  67                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.dmg_save) = dmg_save;
  68                 VectorCopy(dmg_origin, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.dmg_origin));
  69                 CSQC_END
  70         }
  71 }
  72
  73 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
  74 {
  75         if(!cl.csqc_loaded)
  76                 return;
  77         CSQC_BEGIN
  78         PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.servertime) = newtime;
  79         PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.serverprevtime) = oldtime;
  80         PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.serverdeltatime) = newtime - oldtime;
  81         CSQC_END
  82 }
  83
  84 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
  85 static void CSQC_SetGlobals (void)
  86 {
  87         CSQC_BEGIN
  88                 prog->globals.client->time = cl.time;
  89                 prog->globals.client->frametime = max(0, cl.time - cl.oldtime);
  90                 prog->globals.client->servercommandframe = cls.servermovesequence;
  91                 prog->globals.client->clientcommandframe = cl.movecmd[0].sequence;
  92                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
  93                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
  94                 prog->globals.client->input_buttons = cl.movecmd[0].buttons;
  95                 VectorSet(prog->globals.client->input_movevalues, cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
  96                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
  97                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
  98
  99                 // LordHavoc: Spike says not to do this, but without pmove_org the
 100                 // CSQC is useless as it can't alter the view origin without
 101                 // completely replacing it
 102                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, prog->globals.client->pmove_org);
 103                 VectorCopy(cl.movement_velocity, prog->globals.client->pmove_vel);
 104
 105                 VectorCopy(cl.viewangles, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.view_angles));
 106                 VectorCopy(cl.punchangle, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.view_punchangle));
 107                 VectorCopy(cl.punchvector, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.view_punchvector));
 108                 prog->globals.client->maxclients = cl.maxclients;
 109         CSQC_END
 110 }
 111
 112 void CSQC_Predraw (prvm_edict_t *ed)
 113 {
 114         int b;
 115         if(!ed->fields.client->predraw)
 116                 return;
 117         b = prog->globals.client->self;
 118         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 119         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
 120         prog->globals.client->self = b;
 121 }
 122
 123 void CSQC_Think (prvm_edict_t *ed)
 124 {
 125         int b;
 126         if(ed->fields.client->think)
 127         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 128         {
 129                 ed->fields.client->nextthink = 0;
 130                 b = prog->globals.client->self;
 131                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 132                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 133                 prog->globals.client->self = b;
 134         }
 135 }
 136
 137 extern cvar_t cl_noplayershadow;
 138 extern cvar_t r_equalize_entities_fullbright;
 139 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 140 {
 141         int renderflags;
 142         int c;
 143         float scale;
 144         entity_render_t *entrender;
 145         dp_model_t *model;
 146
 147         model = CL_GetModelFromEdict(ed);
 148         if (!model)
 149                 return false;
 150
 151         if (edictnum)
 152         {
 153                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 154                         return false;
 155                 entrender = cl.csqcrenderentities + edictnum;
 156                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 157                 entrender->entitynumber = edictnum + MAX_EDICTS;
 158                 //entrender->shadertime = 0; // shadertime was set by spawn()
 159                 entrender->flags = 0;
 160                 entrender->alpha = 1;
 161                 entrender->scale = 1;
 162                 VectorSet(entrender->colormod, 1, 1, 1);
 163                 VectorSet(entrender->glowmod, 1, 1, 1);
 164                 entrender->allowdecals = true;
 165         }
 166         else
 167         {
 168                 entrender = CL_NewTempEntity(0);
 169                 if (!entrender)
 170                         return false;
 171         }
 172
 173         entrender->userwavefunc_param[0] = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.userwavefunc_param0);
 174         entrender->userwavefunc_param[1] = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.userwavefunc_param1);
 175         entrender->userwavefunc_param[2] = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.userwavefunc_param2);
 176         entrender->userwavefunc_param[3] = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.userwavefunc_param3);
 177
 178         entrender->model = model;
 179         entrender->skinnum = (int)ed->fields.client->skin;
 180         entrender->effects |= entrender->model->effects;
 181         renderflags = (int)PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.renderflags);
 182         entrender->alpha = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.alpha);
 183         entrender->scale = scale = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.scale);
 184         VectorCopy(PRVM_EDICTFIELDVECTOR(ed, prog->fieldoffsets.colormod), entrender->colormod);
 185         VectorCopy(PRVM_EDICTFIELDVECTOR(ed, prog->fieldoffsets.glowmod), entrender->glowmod);
 186         if(ed->fields.client->effects)  entrender->effects |= (int)ed->fields.client->effects;
 187         if (!entrender->alpha)
 188                 entrender->alpha = 1.0f;
 189         if (!entrender->scale)
 190                 entrender->scale = scale = 1.0f;
 191         if (!VectorLength2(entrender->colormod))
 192                 VectorSet(entrender->colormod, 1, 1, 1);
 193         if (!VectorLength2(entrender->glowmod))
 194                 VectorSet(entrender->glowmod, 1, 1, 1);
 195
 196         // LordHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 197         CL_GetTagMatrix(&entrender->matrix, ed, 0);
 198
 199         // set up the animation data
 200         VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
 201         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
 202         VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
 203         entrender->shadertime = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.shadertime);
 204
 205         // transparent offset
 206         if (renderflags & RF_USETRANSPARENTOFFSET)
 207                 entrender->transparent_offset = PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.transparent_offset);
 208
 209         if(renderflags)
 210         {
 211                 if(renderflags & RF_VIEWMODEL)  entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 212                 if(renderflags & RF_EXTERNALMODEL)entrender->flags |= RENDER_EXTERIORMODEL;
 213                 if(renderflags & RF_NOCULL)             entrender->flags |= RENDER_NOCULL;
 214                 if(renderflags & RF_DEPTHHACK)  entrender->flags |= RENDER_NODEPTHTEST;
 215                 if(renderflags & RF_ADDITIVE)           entrender->flags |= RENDER_ADDITIVE;
 216         }
 217
 218         c = (int)ed->fields.client->colormap;
 219         if (c <= 0)
 220                 CL_SetEntityColormapColors(entrender, -1);
 221         else if (c <= cl.maxclients && cl.scores != NULL)
 222                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 223         else
 224                 CL_SetEntityColormapColors(entrender, c);
 225
 226         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 227         // either fullbright or lit
 228         if(!r_fullbright.integer)
 229         {
 230                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 231                         entrender->flags |= RENDER_LIGHT;
 232                 else if(r_equalize_entities_fullbright.integer)
 233                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 234         }
 235         // hide player shadow during intermission or nehahra movie
 236         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 237          &&  (entrender->alpha >= 1)
 238          && !(renderflags & RF_NOSHADOW)
 239          && !(entrender->flags & RENDER_VIEWMODEL)
 240          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 241                 entrender->flags |= RENDER_SHADOW;
 242         if (entrender->flags & RENDER_VIEWMODEL)
 243                 entrender->flags |= RENDER_NOSELFSHADOW;
 244         if (entrender->effects & EF_NOSELFSHADOW)
 245                 entrender->flags |= RENDER_NOSELFSHADOW;
 246         if (entrender->effects & EF_NODEPTHTEST)
 247                 entrender->flags |= RENDER_NODEPTHTEST;
 248         if (entrender->effects & EF_ADDITIVE)
 249                 entrender->flags |= RENDER_ADDITIVE;
 250         if (entrender->effects & EF_DOUBLESIDED)
 251                 entrender->flags |= RENDER_DOUBLESIDED;
 252
 253         // make the other useful stuff
 254         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 255         CL_UpdateRenderEntity(entrender);
 256         // override animation data with full control
 257         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 258         if (ed->priv.server->skeleton.relativetransforms)
 259                 entrender->skeleton = &ed->priv.server->skeleton;
 260         else
 261                 entrender->skeleton = NULL;
 262
 263         return true;
 264 }
 265
 266 qboolean CL_VM_InputEvent (qboolean down, int key, int ascii)
 267 {
 268         qboolean r;
 269
 270         if(!cl.csqc_loaded)
 271                 return false;
 272
 273         CSQC_BEGIN
 274                 if (!prog->funcoffsets.CSQC_InputEvent)
 275                         r = false;
 276                 else
 277                 {
 278                         prog->globals.client->time = cl.time;
 279                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 280                         PRVM_G_FLOAT(OFS_PARM0) = !down; // 0 is down, 1 is up
 281                         PRVM_G_FLOAT(OFS_PARM1) = key;
 282                         PRVM_G_FLOAT(OFS_PARM2) = ascii;
 283                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 284                         r = CSQC_RETURNVAL != 0;
 285                 }
 286         CSQC_END
 287         return r;
 288 }
 289
 290 qboolean CL_VM_UpdateView (void)
 291 {
 292         vec3_t emptyvector;
 293         emptyvector[0] = 0;
 294         emptyvector[1] = 0;
 295         emptyvector[2] = 0;
 296 //      vec3_t oldangles;
 297         if(!cl.csqc_loaded)
 298                 return false;
 299         R_TimeReport("pre-UpdateView");
 300         CSQC_BEGIN
 301                 //VectorCopy(cl.viewangles, oldangles);
 302                 prog->globals.client->time = cl.time;
 303                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 304                 CSQC_SetGlobals();
 305                 // clear renderable entity and light lists to prevent crashes if the
 306                 // CSQC_UpdateView function does not call R_ClearScene as it should
 307                 r_refdef.scene.numentities = 0;
 308                 r_refdef.scene.numlights = 0;
 309                 // pass in width and height as parameters (EXT_CSQC_1)
 310                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 311                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 312                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 313                 //VectorCopy(oldangles, cl.viewangles);
 314                 // Dresk : Reset Dmg Globals Here
 315                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 316         CSQC_END
 317         R_TimeReport("UpdateView");
 318         return true;
 319 }
 320
 321 extern sizebuf_t vm_tempstringsbuf;
 322 qboolean CL_VM_ConsoleCommand (const char *cmd)
 323 {
 324         int restorevm_tempstringsbuf_cursize;
 325         qboolean r = false;
 326         if(!cl.csqc_loaded)
 327                 return false;
 328         CSQC_BEGIN
 329         if (prog->funcoffsets.CSQC_ConsoleCommand)
 330         {
 331                 prog->globals.client->time = cl.time;
 332                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 333                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 334                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 335                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 336                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 337                 r = CSQC_RETURNVAL != 0;
 338         }
 339         CSQC_END
 340         return r;
 341 }
 342
 343 qboolean CL_VM_Parse_TempEntity (void)
 344 {
 345         int                     t;
 346         qboolean        r = false;
 347         if(!cl.csqc_loaded)
 348                 return false;
 349         CSQC_BEGIN
 350         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 351         {
 352                 t = msg_readcount;
 353                 prog->globals.client->time = cl.time;
 354                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 355                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 356                 r = CSQC_RETURNVAL != 0;
 357                 if(!r)
 358                 {
 359                         msg_readcount = t;
 360                         msg_badread = false;
 361                 }
 362         }
 363         CSQC_END
 364         return r;
 365 }
 366
 367 void CL_VM_Parse_StuffCmd (const char *msg)
 368 {
 369         int restorevm_tempstringsbuf_cursize;
 370         if(msg[0] == 'c')
 371         if(msg[1] == 's')
 372         if(msg[2] == 'q')
 373         if(msg[3] == 'c')
 374         {
 375                 // if this is setting a csqc variable, deprotect csqc_progcrc
 376                 // temporarily so that it can be set by the cvar command,
 377                 // and then reprotect it afterwards
 378                 int crcflags = csqc_progcrc.flags;
 379                 int sizeflags = csqc_progcrc.flags;
 380                 csqc_progcrc.flags &= ~CVAR_READONLY;
 381                 csqc_progsize.flags &= ~CVAR_READONLY;
 382                 Cmd_ExecuteString (msg, src_command);
 383                 csqc_progcrc.flags = crcflags;
 384                 csqc_progsize.flags = sizeflags;
 385                 return;
 386         }
 387
 388         if(cls.demoplayback)
 389         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 390         {
 391                 // special handling for map download commands
 392                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 393                 // that way, there is no black screen when playing back demos
 394                 // I know this is a really ugly hack, but I can't think of any better way
 395                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 396                 // until all maps are loaded, then remove this hack
 397
 398                 char buf[MAX_INPUTLINE];
 399                 const char *p, *q;
 400                 size_t l;
 401
 402                 p = msg;
 403
 404                 for(;;)
 405                 {
 406                         q = strchr(p, '\n');
 407                         if(q)
 408                                 l = q - p;
 409                         else
 410                                 l = strlen(p);
 411                         if(l > sizeof(buf) - 1)
 412                                 l = sizeof(buf) - 1;
 413                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 414
 415                         Cmd_ExecuteString(buf, src_command);
 416
 417                         p += l;
 418                         if(*p == '\n')
 419                                 ++p; // skip the newline and continue
 420                         else
 421                                 break; // end of string or overflow
 422                 }
 423                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
 424                 return;
 425         }
 426
 427         if(!cl.csqc_loaded)
 428         {
 429                 Cbuf_AddText(msg);
 430                 return;
 431         }
 432         CSQC_BEGIN
 433         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 434         {
 435                 prog->globals.client->time = cl.time;
 436                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 437                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 438                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 439                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 440                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 441         }
 442         else
 443                 Cbuf_AddText(msg);
 444         CSQC_END
 445 }
 446
 447 static void CL_VM_Parse_Print (const char *msg)
 448 {
 449         int restorevm_tempstringsbuf_cursize;
 450         prog->globals.client->time = cl.time;
 451         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 452         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 453         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 454         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 455         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 456 }
 457
 458 void CSQC_AddPrintText (const char *msg)
 459 {
 460         size_t i;
 461         if(!cl.csqc_loaded)
 462         {
 463                 Con_Print(msg);
 464                 return;
 465         }
 466         CSQC_BEGIN
 467         if(prog->funcoffsets.CSQC_Parse_Print)
 468         {
 469                 // FIXME: is this bugged?
 470                 i = strlen(msg)-1;
 471                 if(msg[i] != '\n' && msg[i] != '\r')
 472                 {
 473                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 474                         {
 475                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 476                                 cl.csqc_printtextbuf[0] = 0;
 477                         }
 478                         else
 479                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 480                         return;
 481                 }
 482                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 483                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 484                 cl.csqc_printtextbuf[0] = 0;
 485         }
 486         else
 487                 Con_Print(msg);
 488         CSQC_END
 489 }
 490
 491 void CL_VM_Parse_CenterPrint (const char *msg)
 492 {
 493         int restorevm_tempstringsbuf_cursize;
 494         if(!cl.csqc_loaded)
 495         {
 496                 SCR_CenterPrint(msg);
 497                 return;
 498         }
 499         CSQC_BEGIN
 500         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 501         {
 502                 prog->globals.client->time = cl.time;
 503                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 504                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 505                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 506                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 507                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 508         }
 509         else
 510                 SCR_CenterPrint(msg);
 511         CSQC_END
 512 }
 513
 514 void CL_VM_UpdateIntermissionState (int intermission)
 515 {
 516         if(cl.csqc_loaded)
 517         {
 518                 CSQC_BEGIN
 519                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.intermission) = intermission;
 520                 CSQC_END
 521         }
 522 }
 523 void CL_VM_UpdateShowingScoresState (int showingscores)
 524 {
 525         if(cl.csqc_loaded)
 526         {
 527                 CSQC_BEGIN
 528                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.sb_showscores) = showingscores;
 529                 CSQC_END
 530         }
 531 }
 532 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos)
 533 {
 534         qboolean r = false;
 535         if(cl.csqc_loaded)
 536         {
 537                 CSQC_BEGIN
 538                 if(prog->funcoffsets.CSQC_Event_Sound)
 539                 {
 540                         prog->globals.client->time = cl.time;
 541                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 542                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 543                         PRVM_G_FLOAT(OFS_PARM1) = channel;
 544                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 545                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 546                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 547                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 548                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event_Sound, "QC function CSQC_Event_Sound is missing");
 549                         r = CSQC_RETURNVAL != 0;
 550                 }
 551                 CSQC_END
 552         }
 553
 554         return r;
 555 }
 556 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 557 {
 558         // Avoid global names for clean(er) coding
 559         int localcoop;
 560         int localdeathmatch;
 561
 562         if(cl.csqc_loaded)
 563         {
 564                 if(gametype == GAME_COOP)
 565                 {
 566                         localcoop = 1;
 567                         localdeathmatch = 0;
 568                 }
 569                 else
 570                 if(gametype == GAME_DEATHMATCH)
 571                 {
 572                         localcoop = 0;
 573                         localdeathmatch = 1;
 574                 }
 575                 else
 576                 {
 577                         // How did the ServerInfo send an unknown gametype?
 578                         // Better just assign the globals as 0...
 579                         localcoop = 0;
 580                         localdeathmatch = 0;
 581                 }
 582                 CSQC_BEGIN
 583                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.coop) = localcoop;
 584                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.deathmatch) = localdeathmatch;
 585                 CSQC_END
 586         }
 587 }
 588 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 589 {
 590         float r = 0;
 591         if(!cl.csqc_loaded)
 592                 return 0;
 593         CSQC_BEGIN
 594         if(prog->funcoffsets.CSQC_Event)
 595         {
 596                 prog->globals.client->time = cl.time;
 597                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 598                 PRVM_G_FLOAT(OFS_PARM0) = event;
 599                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 600                 r = CSQC_RETURNVAL;
 601         }
 602         CSQC_END
 603         return r;
 604 }
 605
 606 void CSQC_ReadEntities (void)
 607 {
 608         unsigned short entnum, oldself, realentnum;
 609         if(!cl.csqc_loaded)
 610         {
 611                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 612                 return;
 613         }
 614
 615         CSQC_BEGIN
 616                 prog->globals.client->time = cl.time;
 617                 oldself = prog->globals.client->self;
 618                 while(1)
 619                 {
 620                         entnum = MSG_ReadShort();
 621                         if(!entnum || msg_badread)
 622                                 break;
 623                         realentnum = entnum & 0x7FFF;
 624                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 625                         if(entnum & 0x8000)
 626                         {
 627                                 if(prog->globals.client->self)
 628                                 {
 629                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 630                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 631                                 }
 632                                 else
 633                                 {
 634                                         // LordHavoc: removing an entity that is already gone on
 635                                         // the csqc side is possible for legitimate reasons (such
 636                                         // as a repeat of the remove message), so no warning is
 637                                         // needed
 638                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 639                                 }
 640                         }
 641                         else
 642                         {
 643                                 if(!prog->globals.client->self)
 644                                 {
 645                                         if(!prog->funcoffsets.CSQC_Ent_Spawn)
 646                                         {
 647                                                 prvm_edict_t    *ed;
 648                                                 ed = PRVM_ED_Alloc();
 649                                                 ed->fields.client->entnum = realentnum;
 650                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 651                                         }
 652                                         else
 653                                         {
 654                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 655                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 656                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 657                                                 // make sure no one gets wrong ideas
 658                                                 prog->globals.client->self = 0;
 659                                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Spawn, "QC function CSQC_Ent_Spawn is missing");
 660                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 661                                         }
 662                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 663                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 664                                 }
 665                                 else {
 666                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 667                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 668                                 }
 669                         }
 670                 }
 671                 prog->globals.client->self = oldself;
 672         CSQC_END
 673 }
 674
 675 void CL_VM_CB_BeginIncreaseEdicts(void)
 676 {
 677         // links don't survive the transition, so unlink everything
 678         World_UnlinkAll(&cl.world);
 679 }
 680
 681 void CL_VM_CB_EndIncreaseEdicts(void)
 682 {
 683         int i;
 684         prvm_edict_t *ent;
 685
 686         // link every entity except world
 687         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 688                 if (!ent->priv.server->free)
 689                         CL_LinkEdict(ent);
 690 }
 691
 692 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 693 {
 694         int edictnum = PRVM_NUM_FOR_EDICT(e);
 695         entity_render_t *entrender;
 696         CL_ExpandCSQCRenderEntities(edictnum);
 697         entrender = cl.csqcrenderentities + edictnum;
 698         e->priv.server->move = false; // don't move on first frame
 699         memset(entrender, 0, sizeof(*entrender));
 700         entrender->shadertime = cl.time;
 701 }
 702
 703 extern void R_DecalSystem_Reset(decalsystem_t *decalsystem);
 704
 705 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 706 {
 707         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 708         R_DecalSystem_Reset(&entrender->decalsystem);
 709         memset(entrender, 0, sizeof(*entrender));
 710         World_UnlinkEdict(ed);
 711         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 712         VM_RemoveEdictSkeleton(ed);
 713         World_Physics_RemoveFromEntity(&cl.world, ed);
 714         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 715 }
 716
 717 void CL_VM_CB_CountEdicts(void)
 718 {
 719         int             i;
 720         prvm_edict_t    *ent;
 721         int             active = 0, models = 0, solid = 0;
 722
 723         for (i=0 ; i<prog->num_edicts ; i++)
 724         {
 725                 ent = PRVM_EDICT_NUM(i);
 726                 if (ent->priv.server->free)
 727                         continue;
 728                 active++;
 729                 if (ent->fields.client->solid)
 730                         solid++;
 731                 if (ent->fields.client->model)
 732                         models++;
 733         }
 734
 735         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 736         Con_Printf("active    :%3i\n", active);
 737         Con_Printf("view      :%3i\n", models);
 738         Con_Printf("touch     :%3i\n", solid);
 739 }
 740
 741 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 742 {
 743         return true;
 744 }
 745
 746 void Cmd_ClearCsqcFuncs (void);
 747
 748 // returns true if the packet is valid, false if end of file is reached
 749 // used for dumping the CSQC download into demo files
 750 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 751 {
 752         int packetsize = buf->maxsize - 7; // byte short long
 753         int npackets = (len + packetsize - 1) / (packetsize);
 754
 755         if(protocol == PROTOCOL_QUAKEWORLD)
 756                 return false; // CSQC can't run in QW anyway
 757
 758         SZ_Clear(buf);
 759         if(cnt == 0)
 760         {
 761                 MSG_WriteByte(buf, svc_stufftext);
 762                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 763                 return true;
 764         }
 765         else if(cnt >= 1 && cnt <= npackets)
 766         {
 767                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 768                 int thispacketsize = len - thispacketoffset;
 769                 if(thispacketsize > packetsize)
 770                         thispacketsize = packetsize;
 771
 772                 MSG_WriteByte(buf, svc_downloaddata);
 773                 MSG_WriteLong(buf, thispacketoffset);
 774                 MSG_WriteShort(buf, thispacketsize);
 775                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 776
 777                 return true;
 778         }
 779         else if(cnt == npackets + 1)
 780         {
 781                 MSG_WriteByte(buf, svc_stufftext);
 782                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 783                 return true;
 784         }
 785         return false;
 786 }
 787
 788 #define CL_REQFIELDS (sizeof(cl_reqfields) / sizeof(prvm_required_field_t))
 789
 790 prvm_required_field_t cl_reqfields[] =
 791 {
 792         {ev_entity, "groundentity"},
 793         {ev_entity, "tag_entity"},
 794         {ev_float, "alpha"},
 795         {ev_float, "dimension_hit"},
 796         {ev_float, "dimension_solid"},
 797         {ev_float, "dphitcontentsmask"},
 798         {ev_float, "frame"},
 799         {ev_float, "frame1time"},
 800         {ev_float, "frame2"},
 801         {ev_float, "frame2time"},
 802         {ev_float, "frame3"},
 803         {ev_float, "frame3time"},
 804         {ev_float, "frame4"},
 805         {ev_float, "frame4time"},
 806         {ev_float, "gravity"},
 807         {ev_float, "idealpitch"},
 808         {ev_float, "lerpfrac"},
 809         {ev_float, "lerpfrac3"},
 810         {ev_float, "lerpfrac4"},
 811         {ev_float, "movetype"}, // used by ODE code
 812         {ev_float, "nextthink"},
 813         {ev_float, "pitch_speed"},
 814         {ev_float, "renderflags"},
 815         {ev_float, "scale"},
 816         {ev_float, "shadertime"},
 817         {ev_float, "skeletonindex"},
 818         {ev_float, "solid"}, // used by ODE code
 819         {ev_float, "tag_index"},
 820         {ev_float, "userwavefunc_param0"},
 821         {ev_float, "userwavefunc_param1"},
 822         {ev_float, "userwavefunc_param2"},
 823         {ev_float, "userwavefunc_param3"},
 824         {ev_function, "camera_transform"},
 825         {ev_function, "think"},
 826         {ev_string, "classname"},
 827         {ev_vector, "colormod"},
 828         {ev_vector, "glowmod"},
 829
 830         // physics
 831         //{ev_float, "solid"},
 832         //{ev_float, "movetype"},
 833         //{ev_float, "modelindex"},
 834         {ev_vector, "mass"},
 835         //{ev_vector, "origin"},
 836         //{ev_vector, "velocity"},
 837         //{ev_vector, "axis_forward"},
 838         //{ev_vector, "axis_left"},
 839         //{ev_vector, "axis_up"},
 840         //{ev_vector, "spinvelocity"},
 841         //{ev_vector, "angles"},
 842         //{ev_vector, "avelocity"},
 843 };
 844
 845 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
 846
 847 prvm_required_field_t cl_reqglobals[] =
 848 {
 849         {ev_entity, "self"},
 850         {ev_entity, "trace_ent"},
 851         {ev_entity, "trace_networkentity"},
 852         {ev_float, "coop"},
 853         {ev_float, "deathmatch"},
 854         {ev_float, "dmg_save"},
 855         {ev_float, "dmg_take"},
 856         {ev_float, "drawfont"},
 857         {ev_float, "drawfontscale"},
 858         {ev_float, "gettaginfo_parent"},
 859         {ev_float, "intermission"},
 860         {ev_float, "particle_airfriction"},
 861         {ev_float, "particle_alpha"},
 862         {ev_float, "particle_alphafade"},
 863         {ev_float, "particle_angle"},
 864         {ev_float, "particle_blendmode"},
 865         {ev_float, "particle_bounce"},
 866         {ev_float, "particle_delaycollision"},
 867         {ev_float, "particle_delayspawn"},
 868         {ev_float, "particle_gravity"},
 869         {ev_float, "particle_liquidfriction"},
 870         {ev_float, "particle_orientation"},
 871         {ev_float, "particle_originjitter"},
 872         {ev_float, "particle_qualityreduction"},
 873         {ev_float, "particle_size"},
 874         {ev_float, "particle_sizeincrease"},
 875         {ev_float, "particle_spin"},
 876         {ev_float, "particle_stainalpha"},
 877         {ev_float, "particle_stainsize"},
 878         {ev_float, "particle_staintex"},
 879         {ev_float, "particle_staintex"},
 880         {ev_float, "particle_stretch"},
 881         {ev_float, "particle_tex"},
 882         {ev_float, "particle_time"},
 883         {ev_float, "particle_type"},
 884         {ev_float, "particle_velocityjitter"},
 885         {ev_float, "particles_alphamax"},
 886         {ev_float, "particles_alphamin"},
 887         {ev_float, "require_spawnfunc_prefix"},
 888         {ev_float, "sb_showscores"},
 889         {ev_float, "serverdeltatime"},
 890         {ev_float, "serverprevtime"},
 891         {ev_float, "servertime"},
 892         {ev_float, "time"},
 893         {ev_float, "trace_allsolid"},
 894         {ev_float, "trace_dphitcontents"},
 895         {ev_float, "trace_dphitq3surfaceflags"},
 896         {ev_float, "trace_dpstartcontents"},
 897         {ev_float, "trace_fraction"},
 898         {ev_float, "trace_inopen"},
 899         {ev_float, "trace_inwater"},
 900         {ev_float, "trace_plane_dist"},
 901         {ev_float, "trace_startsolid"},
 902         {ev_float, "transparent_offset"},
 903         {ev_string, "SV_InitCmd"},
 904         {ev_string, "gettaginfo_name"},
 905         {ev_string, "trace_dphittexturename"},
 906         {ev_string, "worldstatus"},
 907         {ev_vector, "dmg_origin"},
 908         {ev_vector, "gettaginfo_forward"},
 909         {ev_vector, "gettaginfo_offset"},
 910         {ev_vector, "gettaginfo_right"},
 911         {ev_vector, "gettaginfo_up"},
 912         {ev_vector, "particle_color1"},
 913         {ev_vector, "particle_color2"},
 914         {ev_vector, "particle_staincolor1"},
 915         {ev_vector, "particle_staincolor2"},
 916         {ev_vector, "particles_colormax"},
 917         {ev_vector, "particles_colormin"},
 918         {ev_vector, "trace_endpos"},
 919         {ev_vector, "trace_plane_normal"},
 920         {ev_vector, "v_forward"},
 921         {ev_vector, "v_right"},
 922         {ev_vector, "v_up"},
 923         {ev_vector, "view_angles"},
 924         {ev_vector, "view_punchangle"},
 925         {ev_vector, "view_punchvector"},
 926 };
 927
 928 void CL_VM_Init (void)
 929 {
 930         const char* csprogsfn;
 931         unsigned char *csprogsdata;
 932         fs_offset_t csprogsdatasize;
 933         int csprogsdatacrc, requiredcrc;
 934         int requiredsize;
 935
 936         // reset csqc_progcrc after reading it, so that changing servers doesn't
 937         // expect csqc on the next server
 938         requiredcrc = csqc_progcrc.integer;
 939         requiredsize = csqc_progsize.integer;
 940         Cvar_SetValueQuick(&csqc_progcrc, -1);
 941         Cvar_SetValueQuick(&csqc_progsize, -1);
 942
 943         // if the server is not requesting a csprogs, then we're done here
 944         if (requiredcrc < 0)
 945                 return;
 946
 947         // see if the requested csprogs.dat file matches the requested crc
 948         csprogsdatacrc = -1;
 949         csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 950         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 951         if (!csprogsdata)
 952         {
 953                 csprogsfn = csqc_progname.string;
 954                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 955         }
 956         if (csprogsdata)
 957         {
 958                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
 959                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 960                 {
 961                         if (cls.demoplayback)
 962                         {
 963                                 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);
 964                                 // Mem_Free(csprogsdata);
 965                                 // return;
 966                                 // We WANT to continue here, and play the demo with different csprogs!
 967                                 // After all, this is just a warning. Sure things may go wrong from here.
 968                         }
 969                         else
 970                         {
 971                                 Mem_Free(csprogsdata);
 972                                 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);
 973                                 CL_Disconnect();
 974                                 return;
 975                         }
 976                 }
 977         }
 978         else
 979         {
 980                 if (requiredcrc >= 0)
 981                 {
 982                         if (cls.demoplayback)
 983                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 984                         else
 985                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 986                         CL_Disconnect();
 987                 }
 988                 return;
 989         }
 990
 991         PRVM_Begin;
 992         PRVM_InitProg(PRVM_CLIENTPROG);
 993
 994         // allocate the mempools
 995         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 996         prog->headercrc = CL_PROGHEADER_CRC;
 997         prog->edictprivate_size = 0; // no private struct used
 998         prog->name = CL_NAME;
 999         prog->num_edicts = 1;
1000         prog->max_edicts = 512;
1001         prog->limit_edicts = CL_MAX_EDICTS;
1002         prog->reserved_edicts = 0;
1003         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1004         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1005         prog->extensionstring = vm_sv_extensions;
1006         prog->builtins = vm_cl_builtins;
1007         prog->numbuiltins = vm_cl_numbuiltins;
1008         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
1009         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
1010         prog->init_edict = CL_VM_CB_InitEdict;
1011         prog->free_edict = CL_VM_CB_FreeEdict;
1012         prog->count_edicts = CL_VM_CB_CountEdicts;
1013         prog->load_edict = CL_VM_CB_LoadEdict;
1014         prog->init_cmd = VM_CL_Cmd_Init;
1015         prog->reset_cmd = VM_CL_Cmd_Reset;
1016         prog->error_cmd = CL_VM_Error;
1017         prog->ExecuteProgram = CLVM_ExecuteProgram;
1018
1019         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1020
1021         if (!prog->loaded)
1022         {
1023                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
1024                 if(!sv.active)
1025                         CL_Disconnect();
1026                 Mem_Free(csprogsdata);
1027                 return;
1028         }
1029
1030         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1031
1032         if(cls.demorecording)
1033         {
1034                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1035                 {
1036                         int i;
1037                         static char buf[NET_MAXMESSAGE];
1038                         sizebuf_t sb;
1039                         unsigned char *demobuf; fs_offset_t demofilesize;
1040
1041                         sb.data = (unsigned char *) buf;
1042                         sb.maxsize = sizeof(buf);
1043                         i = 0;
1044
1045                         CL_CutDemo(&demobuf, &demofilesize);
1046                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1047                                 CL_WriteDemoMessage(&sb);
1048                         CL_PasteDemo(&demobuf, &demofilesize);
1049
1050                         cls.demo_lastcsprogssize = csprogsdatasize;
1051                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1052                 }
1053         }
1054         Mem_Free(csprogsdata);
1055
1056         // check if OP_STATE animation is possible in this dat file
1057         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1058                 prog->flag |= PRVM_OP_STATE;
1059
1060         // set time
1061         prog->globals.client->time = cl.time;
1062         prog->globals.client->self = 0;
1063
1064         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldname);
1065         prog->globals.client->player_localentnum = cl.playerentity;
1066
1067         // set map description (use world entity 0)
1068         PRVM_EDICTFIELDSTRING(prog->edicts, prog->fieldoffsets.message) = PRVM_SetEngineString(cl.worldmessage);
1069         VectorCopy(cl.world.mins, prog->edicts->fields.client->mins);
1070         VectorCopy(cl.world.maxs, prog->edicts->fields.client->maxs);
1071
1072         // call the prog init
1073         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
1074
1075         PRVM_End;
1076         cl.csqc_loaded = true;
1077
1078         cl.csqc_vidvars.drawcrosshair = false;
1079         cl.csqc_vidvars.drawenginesbar = false;
1080
1081         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1082         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1083 }
1084
1085 void CL_VM_ShutDown (void)
1086 {
1087         Cmd_ClearCsqcFuncs();
1088         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1089         //Cvar_SetValueQuick(&csqc_progsize, -1);
1090         if(!cl.csqc_loaded)
1091                 return;
1092         CSQC_BEGIN
1093                 prog->globals.client->time = cl.time;
1094                 prog->globals.client->self = 0;
1095                 if (prog->funcoffsets.CSQC_Shutdown)
1096                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
1097                 PRVM_ResetProg();
1098         CSQC_END
1099         Con_DPrint("CSQC ^1unloaded\n");
1100         cl.csqc_loaded = false;
1101 }
1102
1103 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1104 {
1105         prvm_edict_t *ed;
1106         dp_model_t *mod;
1107         matrix4x4_t matrix;
1108         qboolean r = 0;
1109
1110         CSQC_BEGIN;
1111
1112         // FIXME consider attachments here!
1113
1114         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1115
1116         if(!ed->priv.required->free)
1117         {
1118                 mod = CL_GetModelFromEdict(ed);
1119                 VectorCopy(ed->fields.client->origin, out);
1120                 if(CL_GetTagMatrix (&matrix, ed, 0) == 0)
1121                         Matrix4x4_OriginFromMatrix(&matrix, out);
1122                 if (mod && mod->soundfromcenter)
1123                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1124                 r = 1;
1125         }
1126
1127         CSQC_END;
1128
1129         return r;
1130 }
1131
1132 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1133 {
1134         qboolean ret = false;
1135         prvm_edict_t *ed;
1136         vec3_t forward, left, up, origin, ang;
1137         matrix4x4_t mat, matq;
1138
1139         CSQC_BEGIN
1140                 ed = PRVM_EDICT_NUM(entnum);
1141                 // camera:
1142                 //   camera_transform
1143                 if(PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.camera_transform))
1144                 {
1145                         ret = true;
1146                         if(viewmatrix || clipplane || visorigin)
1147                         {
1148                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1149                                 AnglesFromVectors(ang, forward, up, false);
1150                                 prog->globals.client->time = cl.time;
1151                                 prog->globals.client->self = entnum;
1152                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1153                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1154                                 VectorCopy(forward, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_forward));
1155                                 VectorScale(left, -1, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_right));
1156                                 VectorCopy(up, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_up));
1157                                 VectorCopy(origin, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.trace_endpos));
1158                                 PRVM_ExecuteProgram(PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.camera_transform), "QC function e.camera_transform is missing");
1159                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1160                                 VectorCopy(PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_forward), forward);
1161                                 VectorScale(PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_right), -1, left);
1162                                 VectorCopy(PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_up), up);
1163                                 VectorCopy(PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.trace_endpos), visorigin);
1164                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1165                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1166                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1167                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1168                         }
1169                 }
1170         CSQC_END
1171
1172         return ret;
1173 }