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                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.pmove_onground) = cl.onground;
 105                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.pmove_inwater) = cl.inwater;
 106
 107                 VectorCopy(cl.viewangles, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.view_angles));
 108                 VectorCopy(cl.punchangle, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.view_punchangle));
 109                 VectorCopy(cl.punchvector, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.view_punchvector));
 110                 prog->globals.client->maxclients = cl.maxclients;
 111         CSQC_END
 112 }
 113
 114 void CSQC_Predraw (prvm_edict_t *ed)
 115 {
 116         int b;
 117         if(!ed->fields.client->predraw)
 118                 return;
 119         b = prog->globals.client->self;
 120         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 121         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
 122         prog->globals.client->self = b;
 123 }
 124
 125 void CSQC_Think (prvm_edict_t *ed)
 126 {
 127         int b;
 128         if(ed->fields.client->think)
 129         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 130         {
 131                 ed->fields.client->nextthink = 0;
 132                 b = prog->globals.client->self;
 133                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 134                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 135                 prog->globals.client->self = b;
 136         }
 137 }
 138
 139 extern cvar_t cl_noplayershadow;
 140 extern cvar_t r_equalize_entities_fullbright;
 141 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 142 {
 143         int renderflags;
 144         int c;
 145         float scale;
 146         entity_render_t *entrender;
 147         dp_model_t *model;
 148
 149         model = CL_GetModelFromEdict(ed);
 150         if (!model)
 151                 return false;
 152
 153         if (edictnum)
 154         {
 155                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 156                         return false;
 157                 entrender = cl.csqcrenderentities + edictnum;
 158                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 159                 entrender->entitynumber = edictnum + MAX_EDICTS;
 160                 //entrender->shadertime = 0; // shadertime was set by spawn()
 161                 entrender->flags = 0;
 162                 entrender->alpha = 1;
 163                 entrender->scale = 1;
 164                 VectorSet(entrender->colormod, 1, 1, 1);
 165                 VectorSet(entrender->glowmod, 1, 1, 1);
 166                 entrender->allowdecals = true;
 167         }
 168         else
 169         {
 170                 entrender = CL_NewTempEntity(0);
 171                 if (!entrender)
 172                         return false;
 173         }
 174
 175         entrender->userwavefunc_param[0] = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.userwavefunc_param0);
 176         entrender->userwavefunc_param[1] = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.userwavefunc_param1);
 177         entrender->userwavefunc_param[2] = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.userwavefunc_param2);
 178         entrender->userwavefunc_param[3] = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.userwavefunc_param3);
 179
 180         entrender->model = model;
 181         entrender->skinnum = (int)ed->fields.client->skin;
 182         entrender->effects |= entrender->model->effects;
 183         renderflags = (int)PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.renderflags);
 184         entrender->alpha = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.alpha);
 185         entrender->scale = scale = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.scale);
 186         VectorCopy(PRVM_EDICTFIELDVECTOR(ed, prog->fieldoffsets.colormod), entrender->colormod);
 187         VectorCopy(PRVM_EDICTFIELDVECTOR(ed, prog->fieldoffsets.glowmod), entrender->glowmod);
 188         if(ed->fields.client->effects)  entrender->effects |= (int)ed->fields.client->effects;
 189         if (!entrender->alpha)
 190                 entrender->alpha = 1.0f;
 191         if (!entrender->scale)
 192                 entrender->scale = scale = 1.0f;
 193         if (!VectorLength2(entrender->colormod))
 194                 VectorSet(entrender->colormod, 1, 1, 1);
 195         if (!VectorLength2(entrender->glowmod))
 196                 VectorSet(entrender->glowmod, 1, 1, 1);
 197
 198         // LordHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 199         CL_GetTagMatrix(&entrender->matrix, ed, 0);
 200
 201         // set up the animation data
 202         VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
 203         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
 204         VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
 205         entrender->shadertime = PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.shadertime);
 206
 207         // transparent offset
 208         if (renderflags & RF_USETRANSPARENTOFFSET)
 209                 entrender->transparent_offset = PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.transparent_offset);
 210
 211         if(renderflags)
 212         {
 213                 if(renderflags & RF_VIEWMODEL)  entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 214                 if(renderflags & RF_EXTERNALMODEL)entrender->flags |= RENDER_EXTERIORMODEL;
 215                 if(renderflags & RF_NOCULL)             entrender->flags |= RENDER_NOCULL;
 216                 if(renderflags & RF_DEPTHHACK)  entrender->flags |= RENDER_NODEPTHTEST;
 217                 if(renderflags & RF_ADDITIVE)           entrender->flags |= RENDER_ADDITIVE;
 218         }
 219
 220         c = (int)ed->fields.client->colormap;
 221         if (c <= 0)
 222                 CL_SetEntityColormapColors(entrender, -1);
 223         else if (c <= cl.maxclients && cl.scores != NULL)
 224                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 225         else
 226                 CL_SetEntityColormapColors(entrender, c);
 227
 228         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 229         // either fullbright or lit
 230         if(!r_fullbright.integer)
 231         {
 232                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 233                         entrender->flags |= RENDER_LIGHT;
 234                 else if(r_equalize_entities_fullbright.integer)
 235                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 236         }
 237         // hide player shadow during intermission or nehahra movie
 238         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 239          &&  (entrender->alpha >= 1)
 240          && !(renderflags & RF_NOSHADOW)
 241          && !(entrender->flags & RENDER_VIEWMODEL)
 242          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 243                 entrender->flags |= RENDER_SHADOW;
 244         if (entrender->flags & RENDER_VIEWMODEL)
 245                 entrender->flags |= RENDER_NOSELFSHADOW;
 246         if (entrender->effects & EF_NOSELFSHADOW)
 247                 entrender->flags |= RENDER_NOSELFSHADOW;
 248         if (entrender->effects & EF_NODEPTHTEST)
 249                 entrender->flags |= RENDER_NODEPTHTEST;
 250         if (entrender->effects & EF_ADDITIVE)
 251                 entrender->flags |= RENDER_ADDITIVE;
 252         if (entrender->effects & EF_DOUBLESIDED)
 253                 entrender->flags |= RENDER_DOUBLESIDED;
 254
 255         // make the other useful stuff
 256         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 257         CL_UpdateRenderEntity(entrender);
 258         // override animation data with full control
 259         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 260         if (ed->priv.server->skeleton.relativetransforms)
 261                 entrender->skeleton = &ed->priv.server->skeleton;
 262         else
 263                 entrender->skeleton = NULL;
 264
 265         return true;
 266 }
 267
 268 qboolean CL_VM_InputEvent (qboolean down, int key, int ascii)
 269 {
 270         qboolean r;
 271
 272         if(!cl.csqc_loaded)
 273                 return false;
 274
 275         CSQC_BEGIN
 276                 if (!prog->funcoffsets.CSQC_InputEvent)
 277                         r = false;
 278                 else
 279                 {
 280                         prog->globals.client->time = cl.time;
 281                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 282                         PRVM_G_FLOAT(OFS_PARM0) = !down; // 0 is down, 1 is up
 283                         PRVM_G_FLOAT(OFS_PARM1) = key;
 284                         PRVM_G_FLOAT(OFS_PARM2) = ascii;
 285                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 286                         r = CSQC_RETURNVAL != 0;
 287                 }
 288         CSQC_END
 289         return r;
 290 }
 291
 292 qboolean CL_VM_UpdateView (void)
 293 {
 294         vec3_t emptyvector;
 295         emptyvector[0] = 0;
 296         emptyvector[1] = 0;
 297         emptyvector[2] = 0;
 298 //      vec3_t oldangles;
 299         if(!cl.csqc_loaded)
 300                 return false;
 301         R_TimeReport("pre-UpdateView");
 302         CSQC_BEGIN
 303                 //VectorCopy(cl.viewangles, oldangles);
 304                 prog->globals.client->time = cl.time;
 305                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 306                 CSQC_SetGlobals();
 307                 // clear renderable entity and light lists to prevent crashes if the
 308                 // CSQC_UpdateView function does not call R_ClearScene as it should
 309                 r_refdef.scene.numentities = 0;
 310                 r_refdef.scene.numlights = 0;
 311                 // pass in width and height as parameters (EXT_CSQC_1)
 312                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 313                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 314                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 315                 //VectorCopy(oldangles, cl.viewangles);
 316                 // Dresk : Reset Dmg Globals Here
 317                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 318         CSQC_END
 319         R_TimeReport("UpdateView");
 320         return true;
 321 }
 322
 323 extern sizebuf_t vm_tempstringsbuf;
 324 qboolean CL_VM_ConsoleCommand (const char *cmd)
 325 {
 326         int restorevm_tempstringsbuf_cursize;
 327         qboolean r = false;
 328         if(!cl.csqc_loaded)
 329                 return false;
 330         CSQC_BEGIN
 331         if (prog->funcoffsets.CSQC_ConsoleCommand)
 332         {
 333                 prog->globals.client->time = cl.time;
 334                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 335                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 336                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 337                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 338                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 339                 r = CSQC_RETURNVAL != 0;
 340         }
 341         CSQC_END
 342         return r;
 343 }
 344
 345 qboolean CL_VM_Parse_TempEntity (void)
 346 {
 347         int                     t;
 348         qboolean        r = false;
 349         if(!cl.csqc_loaded)
 350                 return false;
 351         CSQC_BEGIN
 352         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 353         {
 354                 t = msg_readcount;
 355                 prog->globals.client->time = cl.time;
 356                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 357                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 358                 r = CSQC_RETURNVAL != 0;
 359                 if(!r)
 360                 {
 361                         msg_readcount = t;
 362                         msg_badread = false;
 363                 }
 364         }
 365         CSQC_END
 366         return r;
 367 }
 368
 369 void CL_VM_Parse_StuffCmd (const char *msg)
 370 {
 371         int restorevm_tempstringsbuf_cursize;
 372         if(msg[0] == 'c')
 373         if(msg[1] == 's')
 374         if(msg[2] == 'q')
 375         if(msg[3] == 'c')
 376         {
 377                 // if this is setting a csqc variable, deprotect csqc_progcrc
 378                 // temporarily so that it can be set by the cvar command,
 379                 // and then reprotect it afterwards
 380                 int crcflags = csqc_progcrc.flags;
 381                 int sizeflags = csqc_progcrc.flags;
 382                 csqc_progcrc.flags &= ~CVAR_READONLY;
 383                 csqc_progsize.flags &= ~CVAR_READONLY;
 384                 Cmd_ExecuteString (msg, src_command);
 385                 csqc_progcrc.flags = crcflags;
 386                 csqc_progsize.flags = sizeflags;
 387                 return;
 388         }
 389
 390         if(cls.demoplayback)
 391         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 392         {
 393                 // special handling for map download commands
 394                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 395                 // that way, there is no black screen when playing back demos
 396                 // I know this is a really ugly hack, but I can't think of any better way
 397                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 398                 // until all maps are loaded, then remove this hack
 399
 400                 char buf[MAX_INPUTLINE];
 401                 const char *p, *q;
 402                 size_t l;
 403
 404                 p = msg;
 405
 406                 for(;;)
 407                 {
 408                         q = strchr(p, '\n');
 409                         if(q)
 410                                 l = q - p;
 411                         else
 412                                 l = strlen(p);
 413                         if(l > sizeof(buf) - 1)
 414                                 l = sizeof(buf) - 1;
 415                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 416
 417                         Cmd_ExecuteString(buf, src_command);
 418
 419                         p += l;
 420                         if(*p == '\n')
 421                                 ++p; // skip the newline and continue
 422                         else
 423                                 break; // end of string or overflow
 424                 }
 425                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
 426                 return;
 427         }
 428
 429         if(!cl.csqc_loaded)
 430         {
 431                 Cbuf_AddText(msg);
 432                 return;
 433         }
 434         CSQC_BEGIN
 435         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 436         {
 437                 prog->globals.client->time = cl.time;
 438                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 439                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 440                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 441                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 442                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 443         }
 444         else
 445                 Cbuf_AddText(msg);
 446         CSQC_END
 447 }
 448
 449 static void CL_VM_Parse_Print (const char *msg)
 450 {
 451         int restorevm_tempstringsbuf_cursize;
 452         prog->globals.client->time = cl.time;
 453         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 454         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 455         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 456         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 457         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 458 }
 459
 460 void CSQC_AddPrintText (const char *msg)
 461 {
 462         size_t i;
 463         if(!cl.csqc_loaded)
 464         {
 465                 Con_Print(msg);
 466                 return;
 467         }
 468         CSQC_BEGIN
 469         if(prog->funcoffsets.CSQC_Parse_Print)
 470         {
 471                 // FIXME: is this bugged?
 472                 i = strlen(msg)-1;
 473                 if(msg[i] != '\n' && msg[i] != '\r')
 474                 {
 475                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 476                         {
 477                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 478                                 cl.csqc_printtextbuf[0] = 0;
 479                         }
 480                         else
 481                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 482                         return;
 483                 }
 484                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 485                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 486                 cl.csqc_printtextbuf[0] = 0;
 487         }
 488         else
 489                 Con_Print(msg);
 490         CSQC_END
 491 }
 492
 493 void CL_VM_Parse_CenterPrint (const char *msg)
 494 {
 495         int restorevm_tempstringsbuf_cursize;
 496         if(!cl.csqc_loaded)
 497         {
 498                 SCR_CenterPrint(msg);
 499                 return;
 500         }
 501         CSQC_BEGIN
 502         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 503         {
 504                 prog->globals.client->time = cl.time;
 505                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 506                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 507                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 508                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 509                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 510         }
 511         else
 512                 SCR_CenterPrint(msg);
 513         CSQC_END
 514 }
 515
 516 void CL_VM_UpdateIntermissionState (int intermission)
 517 {
 518         if(cl.csqc_loaded)
 519         {
 520                 CSQC_BEGIN
 521                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.intermission) = intermission;
 522                 CSQC_END
 523         }
 524 }
 525 void CL_VM_UpdateShowingScoresState (int showingscores)
 526 {
 527         if(cl.csqc_loaded)
 528         {
 529                 CSQC_BEGIN
 530                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.sb_showscores) = showingscores;
 531                 CSQC_END
 532         }
 533 }
 534 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos)
 535 {
 536         qboolean r = false;
 537         if(cl.csqc_loaded)
 538         {
 539                 CSQC_BEGIN
 540                 if(prog->funcoffsets.CSQC_Event_Sound)
 541                 {
 542                         prog->globals.client->time = cl.time;
 543                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 544                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 545                         PRVM_G_FLOAT(OFS_PARM1) = channel;
 546                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 547                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 548                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 549                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 550                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event_Sound, "QC function CSQC_Event_Sound is missing");
 551                         r = CSQC_RETURNVAL != 0;
 552                 }
 553                 CSQC_END
 554         }
 555
 556         return r;
 557 }
 558 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 559 {
 560         // Avoid global names for clean(er) coding
 561         int localcoop;
 562         int localdeathmatch;
 563
 564         if(cl.csqc_loaded)
 565         {
 566                 if(gametype == GAME_COOP)
 567                 {
 568                         localcoop = 1;
 569                         localdeathmatch = 0;
 570                 }
 571                 else
 572                 if(gametype == GAME_DEATHMATCH)
 573                 {
 574                         localcoop = 0;
 575                         localdeathmatch = 1;
 576                 }
 577                 else
 578                 {
 579                         // How did the ServerInfo send an unknown gametype?
 580                         // Better just assign the globals as 0...
 581                         localcoop = 0;
 582                         localdeathmatch = 0;
 583                 }
 584                 CSQC_BEGIN
 585                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.coop) = localcoop;
 586                 PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.deathmatch) = localdeathmatch;
 587                 CSQC_END
 588         }
 589 }
 590 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 591 {
 592         float r = 0;
 593         if(!cl.csqc_loaded)
 594                 return 0;
 595         CSQC_BEGIN
 596         if(prog->funcoffsets.CSQC_Event)
 597         {
 598                 prog->globals.client->time = cl.time;
 599                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 600                 PRVM_G_FLOAT(OFS_PARM0) = event;
 601                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 602                 r = CSQC_RETURNVAL;
 603         }
 604         CSQC_END
 605         return r;
 606 }
 607
 608 void CSQC_ReadEntities (void)
 609 {
 610         unsigned short entnum, oldself, realentnum;
 611         if(!cl.csqc_loaded)
 612         {
 613                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 614                 return;
 615         }
 616
 617         CSQC_BEGIN
 618                 prog->globals.client->time = cl.time;
 619                 oldself = prog->globals.client->self;
 620                 while(1)
 621                 {
 622                         entnum = MSG_ReadShort();
 623                         if(!entnum || msg_badread)
 624                                 break;
 625                         realentnum = entnum & 0x7FFF;
 626                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 627                         if(entnum & 0x8000)
 628                         {
 629                                 if(prog->globals.client->self)
 630                                 {
 631                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 632                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 633                                 }
 634                                 else
 635                                 {
 636                                         // LordHavoc: removing an entity that is already gone on
 637                                         // the csqc side is possible for legitimate reasons (such
 638                                         // as a repeat of the remove message), so no warning is
 639                                         // needed
 640                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 641                                 }
 642                         }
 643                         else
 644                         {
 645                                 if(!prog->globals.client->self)
 646                                 {
 647                                         if(!prog->funcoffsets.CSQC_Ent_Spawn)
 648                                         {
 649                                                 prvm_edict_t    *ed;
 650                                                 ed = PRVM_ED_Alloc();
 651                                                 ed->fields.client->entnum = realentnum;
 652                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 653                                         }
 654                                         else
 655                                         {
 656                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 657                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 658                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 659                                                 // make sure no one gets wrong ideas
 660                                                 prog->globals.client->self = 0;
 661                                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Spawn, "QC function CSQC_Ent_Spawn is missing");
 662                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 663                                         }
 664                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 665                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 666                                 }
 667                                 else {
 668                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 669                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 670                                 }
 671                         }
 672                 }
 673                 prog->globals.client->self = oldself;
 674         CSQC_END
 675 }
 676
 677 void CL_VM_CB_BeginIncreaseEdicts(void)
 678 {
 679         // links don't survive the transition, so unlink everything
 680         World_UnlinkAll(&cl.world);
 681 }
 682
 683 void CL_VM_CB_EndIncreaseEdicts(void)
 684 {
 685         int i;
 686         prvm_edict_t *ent;
 687
 688         // link every entity except world
 689         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 690                 if (!ent->priv.server->free)
 691                         CL_LinkEdict(ent);
 692 }
 693
 694 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 695 {
 696         int edictnum = PRVM_NUM_FOR_EDICT(e);
 697         entity_render_t *entrender;
 698         CL_ExpandCSQCRenderEntities(edictnum);
 699         entrender = cl.csqcrenderentities + edictnum;
 700         e->priv.server->move = false; // don't move on first frame
 701         memset(entrender, 0, sizeof(*entrender));
 702         entrender->shadertime = cl.time;
 703 }
 704
 705 extern void R_DecalSystem_Reset(decalsystem_t *decalsystem);
 706
 707 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 708 {
 709         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 710         R_DecalSystem_Reset(&entrender->decalsystem);
 711         memset(entrender, 0, sizeof(*entrender));
 712         World_UnlinkEdict(ed);
 713         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 714         VM_RemoveEdictSkeleton(ed);
 715         World_Physics_RemoveFromEntity(&cl.world, ed);
 716         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 717 }
 718
 719 void CL_VM_CB_CountEdicts(void)
 720 {
 721         int             i;
 722         prvm_edict_t    *ent;
 723         int             active = 0, models = 0, solid = 0;
 724
 725         for (i=0 ; i<prog->num_edicts ; i++)
 726         {
 727                 ent = PRVM_EDICT_NUM(i);
 728                 if (ent->priv.server->free)
 729                         continue;
 730                 active++;
 731                 if (ent->fields.client->solid)
 732                         solid++;
 733                 if (ent->fields.client->model)
 734                         models++;
 735         }
 736
 737         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 738         Con_Printf("active    :%3i\n", active);
 739         Con_Printf("view      :%3i\n", models);
 740         Con_Printf("touch     :%3i\n", solid);
 741 }
 742
 743 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 744 {
 745         return true;
 746 }
 747
 748 void Cmd_ClearCsqcFuncs (void);
 749
 750 // returns true if the packet is valid, false if end of file is reached
 751 // used for dumping the CSQC download into demo files
 752 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 753 {
 754         int packetsize = buf->maxsize - 7; // byte short long
 755         int npackets = (len + packetsize - 1) / (packetsize);
 756
 757         if(protocol == PROTOCOL_QUAKEWORLD)
 758                 return false; // CSQC can't run in QW anyway
 759
 760         SZ_Clear(buf);
 761         if(cnt == 0)
 762         {
 763                 MSG_WriteByte(buf, svc_stufftext);
 764                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 765                 return true;
 766         }
 767         else if(cnt >= 1 && cnt <= npackets)
 768         {
 769                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 770                 int thispacketsize = len - thispacketoffset;
 771                 if(thispacketsize > packetsize)
 772                         thispacketsize = packetsize;
 773
 774                 MSG_WriteByte(buf, svc_downloaddata);
 775                 MSG_WriteLong(buf, thispacketoffset);
 776                 MSG_WriteShort(buf, thispacketsize);
 777                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 778
 779                 return true;
 780         }
 781         else if(cnt == npackets + 1)
 782         {
 783                 MSG_WriteByte(buf, svc_stufftext);
 784                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 785                 return true;
 786         }
 787         return false;
 788 }
 789
 790 #define CL_REQFIELDS (sizeof(cl_reqfields) / sizeof(prvm_required_field_t))
 791
 792 prvm_required_field_t cl_reqfields[] =
 793 {
 794         {ev_entity, "groundentity"},
 795         {ev_entity, "tag_entity"},
 796         {ev_float, "alpha"},
 797         {ev_float, "dimension_hit"},
 798         {ev_float, "dimension_solid"},
 799         {ev_float, "dphitcontentsmask"},
 800         {ev_float, "frame"},
 801         {ev_float, "frame1time"},
 802         {ev_float, "frame2"},
 803         {ev_float, "frame2time"},
 804         {ev_float, "frame3"},
 805         {ev_float, "frame3time"},
 806         {ev_float, "frame4"},
 807         {ev_float, "frame4time"},
 808         {ev_float, "gravity"},
 809         {ev_float, "idealpitch"},
 810         {ev_float, "lerpfrac"},
 811         {ev_float, "lerpfrac3"},
 812         {ev_float, "lerpfrac4"},
 813         {ev_float, "movetype"}, // used by ODE code
 814         {ev_float, "nextthink"},
 815         {ev_float, "pitch_speed"},
 816         {ev_float, "renderflags"},
 817         {ev_float, "scale"},
 818         {ev_float, "shadertime"},
 819         {ev_float, "skeletonindex"},
 820         {ev_float, "solid"}, // used by ODE code
 821         {ev_float, "tag_index"},
 822         {ev_float, "userwavefunc_param0"},
 823         {ev_float, "userwavefunc_param1"},
 824         {ev_float, "userwavefunc_param2"},
 825         {ev_float, "userwavefunc_param3"},
 826         {ev_function, "camera_transform"},
 827         {ev_function, "think"},
 828         {ev_string, "classname"},
 829         {ev_vector, "colormod"},
 830         {ev_vector, "glowmod"},
 831
 832         // physics
 833         //{ev_float, "solid"},
 834         //{ev_float, "movetype"},
 835         //{ev_float, "modelindex"},
 836         {ev_vector, "mass"},
 837         //{ev_vector, "origin"},
 838         //{ev_vector, "velocity"},
 839         //{ev_vector, "axis_forward"},
 840         //{ev_vector, "axis_left"},
 841         //{ev_vector, "axis_up"},
 842         //{ev_vector, "spinvelocity"},
 843         //{ev_vector, "angles"},
 844         //{ev_vector, "avelocity"},
 845 };
 846
 847 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
 848
 849 prvm_required_field_t cl_reqglobals[] =
 850 {
 851         {ev_entity, "self"},
 852         {ev_entity, "trace_ent"},
 853         {ev_entity, "trace_networkentity"},
 854         {ev_float, "coop"},
 855         {ev_float, "deathmatch"},
 856         {ev_float, "dmg_save"},
 857         {ev_float, "dmg_take"},
 858         {ev_float, "drawfont"},
 859         {ev_float, "drawfontscale"},
 860         {ev_float, "gettaginfo_parent"},
 861         {ev_float, "intermission"},
 862         {ev_float, "particle_airfriction"},
 863         {ev_float, "particle_alpha"},
 864         {ev_float, "particle_alphafade"},
 865         {ev_float, "particle_angle"},
 866         {ev_float, "particle_blendmode"},
 867         {ev_float, "particle_bounce"},
 868         {ev_float, "particle_delaycollision"},
 869         {ev_float, "particle_delayspawn"},
 870         {ev_float, "particle_gravity"},
 871         {ev_float, "particle_liquidfriction"},
 872         {ev_float, "particle_orientation"},
 873         {ev_float, "particle_originjitter"},
 874         {ev_float, "particle_qualityreduction"},
 875         {ev_float, "particle_size"},
 876         {ev_float, "particle_sizeincrease"},
 877         {ev_float, "particle_spin"},
 878         {ev_float, "particle_stainalpha"},
 879         {ev_float, "particle_stainsize"},
 880         {ev_float, "particle_staintex"},
 881         {ev_float, "particle_staintex"},
 882         {ev_float, "particle_stretch"},
 883         {ev_float, "particle_tex"},
 884         {ev_float, "particle_time"},
 885         {ev_float, "particle_type"},
 886         {ev_float, "particle_velocityjitter"},
 887         {ev_float, "particles_alphamax"},
 888         {ev_float, "particles_alphamin"},
 889         {ev_float, "pmove_onground"},
 890         {ev_float, "pmove_inwater"},
 891         {ev_float, "require_spawnfunc_prefix"},
 892         {ev_float, "sb_showscores"},
 893         {ev_float, "serverdeltatime"},
 894         {ev_float, "serverprevtime"},
 895         {ev_float, "servertime"},
 896         {ev_float, "time"},
 897         {ev_float, "trace_allsolid"},
 898         {ev_float, "trace_dphitcontents"},
 899         {ev_float, "trace_dphitq3surfaceflags"},
 900         {ev_float, "trace_dpstartcontents"},
 901         {ev_float, "trace_fraction"},
 902         {ev_float, "trace_inopen"},
 903         {ev_float, "trace_inwater"},
 904         {ev_float, "trace_plane_dist"},
 905         {ev_float, "trace_startsolid"},
 906         {ev_float, "transparent_offset"},
 907         {ev_string, "SV_InitCmd"},
 908         {ev_string, "gettaginfo_name"},
 909         {ev_string, "trace_dphittexturename"},
 910         {ev_string, "worldstatus"},
 911         {ev_string, "message"},
 912         {ev_vector, "dmg_origin"},
 913         {ev_vector, "gettaginfo_forward"},
 914         {ev_vector, "gettaginfo_offset"},
 915         {ev_vector, "gettaginfo_right"},
 916         {ev_vector, "gettaginfo_up"},
 917         {ev_vector, "particle_color1"},
 918         {ev_vector, "particle_color2"},
 919         {ev_vector, "particle_staincolor1"},
 920         {ev_vector, "particle_staincolor2"},
 921         {ev_vector, "particles_colormax"},
 922         {ev_vector, "particles_colormin"},
 923         {ev_vector, "trace_endpos"},
 924         {ev_vector, "trace_plane_normal"},
 925         {ev_vector, "v_forward"},
 926         {ev_vector, "v_right"},
 927         {ev_vector, "v_up"},
 928         {ev_vector, "view_angles"},
 929         {ev_vector, "view_punchangle"},
 930         {ev_vector, "view_punchvector"},
 931 };
 932
 933 void CL_VM_Init (void)
 934 {
 935         const char* csprogsfn;
 936         unsigned char *csprogsdata;
 937         fs_offset_t csprogsdatasize;
 938         int csprogsdatacrc, requiredcrc;
 939         int requiredsize;
 940
 941         // reset csqc_progcrc after reading it, so that changing servers doesn't
 942         // expect csqc on the next server
 943         requiredcrc = csqc_progcrc.integer;
 944         requiredsize = csqc_progsize.integer;
 945         Cvar_SetValueQuick(&csqc_progcrc, -1);
 946         Cvar_SetValueQuick(&csqc_progsize, -1);
 947
 948         // if the server is not requesting a csprogs, then we're done here
 949         if (requiredcrc < 0)
 950                 return;
 951
 952         // see if the requested csprogs.dat file matches the requested crc
 953         csprogsdatacrc = -1;
 954         csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 955         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 956         if (!csprogsdata)
 957         {
 958                 csprogsfn = csqc_progname.string;
 959                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 960         }
 961         if (csprogsdata)
 962         {
 963                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
 964                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 965                 {
 966                         if (cls.demoplayback)
 967                         {
 968                                 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);
 969                                 // Mem_Free(csprogsdata);
 970                                 // return;
 971                                 // We WANT to continue here, and play the demo with different csprogs!
 972                                 // After all, this is just a warning. Sure things may go wrong from here.
 973                         }
 974                         else
 975                         {
 976                                 Mem_Free(csprogsdata);
 977                                 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);
 978                                 CL_Disconnect();
 979                                 return;
 980                         }
 981                 }
 982         }
 983         else
 984         {
 985                 if (requiredcrc >= 0)
 986                 {
 987                         if (cls.demoplayback)
 988                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 989                         else
 990                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 991                         CL_Disconnect();
 992                 }
 993                 return;
 994         }
 995
 996         PRVM_Begin;
 997         PRVM_InitProg(PRVM_CLIENTPROG);
 998
 999         // allocate the mempools
1000         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1001         prog->headercrc = CL_PROGHEADER_CRC;
1002         prog->edictprivate_size = 0; // no private struct used
1003         prog->name = CL_NAME;
1004         prog->num_edicts = 1;
1005         prog->max_edicts = 512;
1006         prog->limit_edicts = CL_MAX_EDICTS;
1007         prog->reserved_edicts = 0;
1008         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1009         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1010         prog->extensionstring = vm_sv_extensions;
1011         prog->builtins = vm_cl_builtins;
1012         prog->numbuiltins = vm_cl_numbuiltins;
1013         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
1014         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
1015         prog->init_edict = CL_VM_CB_InitEdict;
1016         prog->free_edict = CL_VM_CB_FreeEdict;
1017         prog->count_edicts = CL_VM_CB_CountEdicts;
1018         prog->load_edict = CL_VM_CB_LoadEdict;
1019         prog->init_cmd = VM_CL_Cmd_Init;
1020         prog->reset_cmd = VM_CL_Cmd_Reset;
1021         prog->error_cmd = CL_VM_Error;
1022         prog->ExecuteProgram = CLVM_ExecuteProgram;
1023
1024         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1025
1026         if (!prog->loaded)
1027         {
1028                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
1029                 if(!sv.active)
1030                         CL_Disconnect();
1031                 Mem_Free(csprogsdata);
1032                 return;
1033         }
1034
1035         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1036
1037         if(cls.demorecording)
1038         {
1039                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1040                 {
1041                         int i;
1042                         static char buf[NET_MAXMESSAGE];
1043                         sizebuf_t sb;
1044                         unsigned char *demobuf; fs_offset_t demofilesize;
1045
1046                         sb.data = (unsigned char *) buf;
1047                         sb.maxsize = sizeof(buf);
1048                         i = 0;
1049
1050                         CL_CutDemo(&demobuf, &demofilesize);
1051                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1052                                 CL_WriteDemoMessage(&sb);
1053                         CL_PasteDemo(&demobuf, &demofilesize);
1054
1055                         cls.demo_lastcsprogssize = csprogsdatasize;
1056                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1057                 }
1058         }
1059         Mem_Free(csprogsdata);
1060
1061         // check if OP_STATE animation is possible in this dat file
1062         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1063                 prog->flag |= PRVM_OP_STATE;
1064
1065         // set time
1066         prog->globals.client->time = cl.time;
1067         prog->globals.client->self = 0;
1068
1069         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldname);
1070         prog->globals.client->player_localentnum = cl.playerentity;
1071
1072         // set map description (use world entity 0)
1073         PRVM_EDICTFIELDSTRING(prog->edicts, prog->fieldoffsets.message) = PRVM_SetEngineString(cl.worldmessage);
1074         VectorCopy(cl.world.mins, prog->edicts->fields.client->mins);
1075         VectorCopy(cl.world.maxs, prog->edicts->fields.client->maxs);
1076
1077         // call the prog init
1078         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
1079
1080         PRVM_End;
1081         cl.csqc_loaded = true;
1082
1083         cl.csqc_vidvars.drawcrosshair = false;
1084         cl.csqc_vidvars.drawenginesbar = false;
1085
1086         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1087         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1088 }
1089
1090 void CL_VM_ShutDown (void)
1091 {
1092         Cmd_ClearCsqcFuncs();
1093         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1094         //Cvar_SetValueQuick(&csqc_progsize, -1);
1095         if(!cl.csqc_loaded)
1096                 return;
1097         CSQC_BEGIN
1098                 prog->globals.client->time = cl.time;
1099                 prog->globals.client->self = 0;
1100                 if (prog->funcoffsets.CSQC_Shutdown)
1101                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
1102                 PRVM_ResetProg();
1103         CSQC_END
1104         Con_DPrint("CSQC ^1unloaded\n");
1105         cl.csqc_loaded = false;
1106 }
1107
1108 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1109 {
1110         prvm_edict_t *ed;
1111         dp_model_t *mod;
1112         matrix4x4_t matrix;
1113         qboolean r = 0;
1114
1115         CSQC_BEGIN;
1116
1117         // FIXME consider attachments here!
1118
1119         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1120
1121         if(!ed->priv.required->free)
1122         {
1123                 mod = CL_GetModelFromEdict(ed);
1124                 VectorCopy(ed->fields.client->origin, out);
1125                 if(CL_GetTagMatrix (&matrix, ed, 0) == 0)
1126                         Matrix4x4_OriginFromMatrix(&matrix, out);
1127                 if (mod && mod->soundfromcenter)
1128                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1129                 r = 1;
1130         }
1131
1132         CSQC_END;
1133
1134         return r;
1135 }
1136
1137 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1138 {
1139         qboolean ret = false;
1140         prvm_edict_t *ed;
1141         vec3_t forward, left, up, origin, ang;
1142         matrix4x4_t mat, matq;
1143
1144         CSQC_BEGIN
1145                 ed = PRVM_EDICT_NUM(entnum);
1146                 // camera:
1147                 //   camera_transform
1148                 if(PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.camera_transform))
1149                 {
1150                         ret = true;
1151                         if(viewmatrix || clipplane || visorigin)
1152                         {
1153                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1154                                 AnglesFromVectors(ang, forward, up, false);
1155                                 prog->globals.client->time = cl.time;
1156                                 prog->globals.client->self = entnum;
1157                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1158                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1159                                 VectorCopy(forward, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_forward));
1160                                 VectorScale(left, -1, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_right));
1161                                 VectorCopy(up, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_up));
1162                                 VectorCopy(origin, PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.trace_endpos));
1163                                 PRVM_ExecuteProgram(PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.camera_transform), "QC function e.camera_transform is missing");
1164                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1165                                 VectorCopy(PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_forward), forward);
1166                                 VectorScale(PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_right), -1, left);
1167                                 VectorCopy(PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.v_up), up);
1168                                 VectorCopy(PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.trace_endpos), visorigin);
1169                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1170                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1171                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1172                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1173                         }
1174                 }
1175         CSQC_END
1176
1177         return ret;
1178 }