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