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         matrix4x4_t tagmatrix, matrix2;
 170
 171         model = CL_GetModelFromEdict(ed);
 172         if (!model)
 173                 return false;
 174
 175         if (edictnum)
 176         {
 177                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 178                         return false;
 179                 entrender = cl.csqcrenderentities + edictnum;
 180                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 181                 entrender->entitynumber = edictnum + MAX_EDICTS;
 182                 //entrender->shadertime = 0; // shadertime was set by spawn()
 183                 entrender->flags = 0;
 184                 entrender->alpha = 1;
 185                 entrender->scale = 1;
 186                 VectorSet(entrender->colormod, 1, 1, 1);
 187                 VectorSet(entrender->glowmod, 1, 1, 1);
 188                 entrender->allowdecals = true;
 189         }
 190         else
 191         {
 192                 entrender = CL_NewTempEntity(0);
 193                 if (!entrender)
 194                         return false;
 195         }
 196
 197         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.userwavefunc_param0)))    entrender->userwavefunc_param[0] = val->_float;
 198         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.userwavefunc_param1)))    entrender->userwavefunc_param[1] = val->_float;
 199         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.userwavefunc_param2)))    entrender->userwavefunc_param[2] = val->_float;
 200         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.userwavefunc_param3)))    entrender->userwavefunc_param[3] = val->_float;
 201
 202         entrender->model = model;
 203         entrender->skinnum = (int)ed->fields.client->skin;
 204         entrender->effects |= entrender->model->effects;
 205         scale = 1;
 206         renderflags = 0;
 207         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.renderflags)) && val->_float)     renderflags = (int)val->_float;
 208         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.alpha)) && val->_float)           entrender->alpha = val->_float;
 209         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.scale)) && val->_float)           entrender->scale = scale = val->_float;
 210         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, entrender->colormod);
 211         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.glowmod)) && VectorLength2(val->vector))  VectorCopy(val->vector, entrender->glowmod);
 212         if(ed->fields.client->effects)  entrender->effects |= (int)ed->fields.client->effects;
 213         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_entity)) && val->edict)
 214         {
 215                 int tagentity;
 216                 int tagindex = 0;
 217                 tagentity = val->edict;
 218                 if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_index)) && val->_float)
 219                         tagindex = (int)val->_float;
 220                 CL_GetTagMatrix (&tagmatrix, PRVM_PROG_TO_EDICT(tagentity), tagindex);
 221         }
 222         else
 223                 Matrix4x4_CreateIdentity(&tagmatrix);
 224         if (!VectorLength2(entrender->colormod))
 225                 VectorSet(entrender->colormod, 1, 1, 1);
 226         if (!VectorLength2(entrender->glowmod))
 227                 VectorSet(entrender->glowmod, 1, 1, 1);
 228
 229         if (renderflags & RF_USEAXIS)
 230         {
 231                 vec3_t left;
 232                 VectorNegate(prog->globals.client->v_right, left);
 233                 Matrix4x4_FromVectors(&matrix2, prog->globals.client->v_forward, left, prog->globals.client->v_up, ed->fields.client->origin);
 234                 Matrix4x4_Scale(&matrix2, scale, 1);
 235         }
 236         else
 237         {
 238                 vec3_t angles;
 239                 VectorCopy(ed->fields.client->angles, angles);
 240                 // if model is alias, reverse pitch direction
 241                 if (entrender->model->type == mod_alias)
 242                         angles[0] = -angles[0];
 243
 244                 // set up the render matrix
 245                 Matrix4x4_CreateFromQuakeEntity(&matrix2, ed->fields.client->origin[0], ed->fields.client->origin[1], ed->fields.client->origin[2], angles[0], angles[1], angles[2], scale);
 246         }
 247
 248         // set up the animation data
 249         VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
 250         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
 251         VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
 252         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.shadertime))) entrender->shadertime = val->_float;
 253
 254         // concat the matrices to make the entity relative to its tag
 255         Matrix4x4_Concat(&entrender->matrix, &tagmatrix, &matrix2);
 256
 257         // transparent offset
 258         if ((renderflags & RF_USETRANSPARENTOFFSET) && (val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.transparent_offset)))
 259                 entrender->transparent_offset = val->_float;
 260
 261         if(renderflags)
 262         {
 263                 if(renderflags & RF_VIEWMODEL)  entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 264                 if(renderflags & RF_EXTERNALMODEL)entrender->flags |= RENDER_EXTERIORMODEL;
 265                 if(renderflags & RF_NOCULL)             entrender->flags |= RENDER_NOCULL;
 266                 if(renderflags & RF_DEPTHHACK)  entrender->flags |= RENDER_NODEPTHTEST;
 267                 if(renderflags & RF_ADDITIVE)           entrender->flags |= RENDER_ADDITIVE;
 268         }
 269
 270         c = (int)ed->fields.client->colormap;
 271         if (c <= 0)
 272                 CL_SetEntityColormapColors(entrender, -1);
 273         else if (c <= cl.maxclients && cl.scores != NULL)
 274                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 275         else
 276                 CL_SetEntityColormapColors(entrender, c);
 277
 278         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 279         // either fullbright or lit
 280         if(!r_fullbright.integer)
 281         {
 282                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 283                         entrender->flags |= RENDER_LIGHT;
 284                 else if(r_equalize_entities_fullbright.integer)
 285                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 286         }
 287         // hide player shadow during intermission or nehahra movie
 288         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 289          &&  (entrender->alpha >= 1)
 290          && !(renderflags & RF_NOSHADOW)
 291          && !(entrender->flags & RENDER_VIEWMODEL)
 292          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 293                 entrender->flags |= RENDER_SHADOW;
 294         if (entrender->flags & RENDER_VIEWMODEL)
 295                 entrender->flags |= RENDER_NOSELFSHADOW;
 296         if (entrender->effects & EF_NOSELFSHADOW)
 297                 entrender->flags |= RENDER_NOSELFSHADOW;
 298         if (entrender->effects & EF_NODEPTHTEST)
 299                 entrender->flags |= RENDER_NODEPTHTEST;
 300         if (entrender->effects & EF_ADDITIVE)
 301                 entrender->flags |= RENDER_ADDITIVE;
 302         if (entrender->effects & EF_DOUBLESIDED)
 303                 entrender->flags |= RENDER_DOUBLESIDED;
 304
 305         // make the other useful stuff
 306         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 307         CL_UpdateRenderEntity(entrender);
 308         // override animation data with full control
 309         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 310         if (ed->priv.server->skeleton.relativetransforms)
 311                 entrender->skeleton = &ed->priv.server->skeleton;
 312         else
 313                 entrender->skeleton = NULL;
 314
 315         return true;
 316 }
 317
 318 qboolean CL_VM_InputEvent (qboolean down, int key, int ascii)
 319 {
 320         qboolean r;
 321
 322         if(!cl.csqc_loaded)
 323                 return false;
 324
 325         CSQC_BEGIN
 326                 if (!prog->funcoffsets.CSQC_InputEvent)
 327                         r = false;
 328                 else
 329                 {
 330                         prog->globals.client->time = cl.time;
 331                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 332                         PRVM_G_FLOAT(OFS_PARM0) = !down; // 0 is down, 1 is up
 333                         PRVM_G_FLOAT(OFS_PARM1) = key;
 334                         PRVM_G_FLOAT(OFS_PARM2) = ascii;
 335                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 336                         r = CSQC_RETURNVAL != 0;
 337                 }
 338         CSQC_END
 339         return r;
 340 }
 341
 342 qboolean CL_VM_UpdateView (void)
 343 {
 344         vec3_t emptyvector;
 345         emptyvector[0] = 0;
 346         emptyvector[1] = 0;
 347         emptyvector[2] = 0;
 348 //      vec3_t oldangles;
 349         if(!cl.csqc_loaded)
 350                 return false;
 351         R_TimeReport("pre-UpdateView");
 352         CSQC_BEGIN
 353                 //VectorCopy(cl.viewangles, oldangles);
 354                 prog->globals.client->time = cl.time;
 355                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 356                 CSQC_SetGlobals();
 357                 // clear renderable entity and light lists to prevent crashes if the
 358                 // CSQC_UpdateView function does not call R_ClearScene as it should
 359                 r_refdef.scene.numentities = 0;
 360                 r_refdef.scene.numlights = 0;
 361                 // pass in width and height as parameters (EXT_CSQC_1)
 362                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 363                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 364                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 365                 //VectorCopy(oldangles, cl.viewangles);
 366                 // Dresk : Reset Dmg Globals Here
 367                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 368         CSQC_END
 369         R_TimeReport("UpdateView");
 370         return true;
 371 }
 372
 373 extern sizebuf_t vm_tempstringsbuf;
 374 qboolean CL_VM_ConsoleCommand (const char *cmd)
 375 {
 376         int restorevm_tempstringsbuf_cursize;
 377         qboolean r = false;
 378         if(!cl.csqc_loaded)
 379                 return false;
 380         CSQC_BEGIN
 381         if (prog->funcoffsets.CSQC_ConsoleCommand)
 382         {
 383                 prog->globals.client->time = cl.time;
 384                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 385                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 386                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 387                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 388                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 389                 r = CSQC_RETURNVAL != 0;
 390         }
 391         CSQC_END
 392         return r;
 393 }
 394
 395 qboolean CL_VM_Parse_TempEntity (void)
 396 {
 397         int                     t;
 398         qboolean        r = false;
 399         if(!cl.csqc_loaded)
 400                 return false;
 401         CSQC_BEGIN
 402         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 403         {
 404                 t = msg_readcount;
 405                 prog->globals.client->time = cl.time;
 406                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 407                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 408                 r = CSQC_RETURNVAL != 0;
 409                 if(!r)
 410                 {
 411                         msg_readcount = t;
 412                         msg_badread = false;
 413                 }
 414         }
 415         CSQC_END
 416         return r;
 417 }
 418
 419 void CL_VM_Parse_StuffCmd (const char *msg)
 420 {
 421         int restorevm_tempstringsbuf_cursize;
 422         if(msg[0] == 'c')
 423         if(msg[1] == 's')
 424         if(msg[2] == 'q')
 425         if(msg[3] == 'c')
 426         {
 427                 // if this is setting a csqc variable, deprotect csqc_progcrc
 428                 // temporarily so that it can be set by the cvar command,
 429                 // and then reprotect it afterwards
 430                 int crcflags = csqc_progcrc.flags;
 431                 int sizeflags = csqc_progcrc.flags;
 432                 csqc_progcrc.flags &= ~CVAR_READONLY;
 433                 csqc_progsize.flags &= ~CVAR_READONLY;
 434                 Cmd_ExecuteString (msg, src_command);
 435                 csqc_progcrc.flags = crcflags;
 436                 csqc_progsize.flags = sizeflags;
 437                 return;
 438         }
 439
 440         if(cls.demoplayback)
 441         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 442         {
 443                 // special handling for map download commands
 444                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 445                 // that way, there is no black screen when playing back demos
 446                 // I know this is a really ugly hack, but I can't think of any better way
 447                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 448                 // until all maps are loaded, then remove this hack
 449
 450                 char buf[MAX_INPUTLINE];
 451                 const char *p, *q;
 452                 size_t l;
 453
 454                 p = msg;
 455
 456                 for(;;)
 457                 {
 458                         q = strchr(p, '\n');
 459                         if(q)
 460                                 l = q - p;
 461                         else
 462                                 l = strlen(p);
 463                         if(l > sizeof(buf) - 1)
 464                                 l = sizeof(buf) - 1;
 465                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 466
 467                         Cmd_ExecuteString(buf, src_command);
 468
 469                         p += l;
 470                         if(*p == '\n')
 471                                 ++p; // skip the newline and continue
 472                         else
 473                                 break; // end of string or overflow
 474                 }
 475                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
 476                 return;
 477         }
 478
 479         if(!cl.csqc_loaded)
 480         {
 481                 Cbuf_AddText(msg);
 482                 return;
 483         }
 484         CSQC_BEGIN
 485         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 486         {
 487                 prog->globals.client->time = cl.time;
 488                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 489                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 490                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 491                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 492                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 493         }
 494         else
 495                 Cbuf_AddText(msg);
 496         CSQC_END
 497 }
 498
 499 static void CL_VM_Parse_Print (const char *msg)
 500 {
 501         int restorevm_tempstringsbuf_cursize;
 502         prog->globals.client->time = cl.time;
 503         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 504         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 505         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 506         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 507         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 508 }
 509
 510 void CSQC_AddPrintText (const char *msg)
 511 {
 512         size_t i;
 513         if(!cl.csqc_loaded)
 514         {
 515                 Con_Print(msg);
 516                 return;
 517         }
 518         CSQC_BEGIN
 519         if(prog->funcoffsets.CSQC_Parse_Print)
 520         {
 521                 // FIXME: is this bugged?
 522                 i = strlen(msg)-1;
 523                 if(msg[i] != '\n' && msg[i] != '\r')
 524                 {
 525                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 526                         {
 527                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 528                                 cl.csqc_printtextbuf[0] = 0;
 529                         }
 530                         else
 531                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 532                         return;
 533                 }
 534                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 535                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 536                 cl.csqc_printtextbuf[0] = 0;
 537         }
 538         else
 539                 Con_Print(msg);
 540         CSQC_END
 541 }
 542
 543 void CL_VM_Parse_CenterPrint (const char *msg)
 544 {
 545         int restorevm_tempstringsbuf_cursize;
 546         if(!cl.csqc_loaded)
 547         {
 548                 SCR_CenterPrint(msg);
 549                 return;
 550         }
 551         CSQC_BEGIN
 552         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 553         {
 554                 prog->globals.client->time = cl.time;
 555                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 556                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 557                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 558                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 559                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 560         }
 561         else
 562                 SCR_CenterPrint(msg);
 563         CSQC_END
 564 }
 565
 566 void CL_VM_UpdateIntermissionState (int intermission)
 567 {
 568         prvm_eval_t *val;
 569         if(cl.csqc_loaded)
 570         {
 571                 CSQC_BEGIN
 572                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.intermission);
 573                 if(val)
 574                         val->_float = intermission;
 575                 CSQC_END
 576         }
 577 }
 578 void CL_VM_UpdateShowingScoresState (int showingscores)
 579 {
 580         prvm_eval_t *val;
 581         if(cl.csqc_loaded)
 582         {
 583                 CSQC_BEGIN
 584                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.sb_showscores);
 585                 if(val)
 586                         val->_float = showingscores;
 587                 CSQC_END
 588         }
 589 }
 590 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos)
 591 {
 592         qboolean r = false;
 593         if(cl.csqc_loaded)
 594         {
 595                 CSQC_BEGIN
 596                 if(prog->funcoffsets.CSQC_Event_Sound)
 597                 {
 598                         prog->globals.client->time = cl.time;
 599                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 600                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 601                         PRVM_G_FLOAT(OFS_PARM1) = channel;
 602                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 603                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 604                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 605                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 606                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event_Sound, "QC function CSQC_Event_Sound is missing");
 607                         r = CSQC_RETURNVAL != 0;
 608                 }
 609                 CSQC_END
 610         }
 611
 612         return r;
 613 }
 614 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 615 {
 616         // Avoid global names for clean(er) coding
 617         int localcoop;
 618         int localdeathmatch;
 619
 620         prvm_eval_t *val;
 621         if(cl.csqc_loaded)
 622         {
 623                 if(gametype == GAME_COOP)
 624                 {
 625                         localcoop = 1;
 626                         localdeathmatch = 0;
 627                 }
 628                 else
 629                 if(gametype == GAME_DEATHMATCH)
 630                 {
 631                         localcoop = 0;
 632                         localdeathmatch = 1;
 633                 }
 634                 else
 635                 {
 636                         // How did the ServerInfo send an unknown gametype?
 637                         // Better just assign the globals as 0...
 638                         localcoop = 0;
 639                         localdeathmatch = 0;
 640                 }
 641                 CSQC_BEGIN
 642                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.coop);
 643                 if(val)
 644                         val->_float = localcoop;
 645                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.deathmatch);
 646                 if(val)
 647                         val->_float = localdeathmatch;
 648                 CSQC_END
 649         }
 650 }
 651 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 652 {
 653         float r = 0;
 654         if(!cl.csqc_loaded)
 655                 return 0;
 656         CSQC_BEGIN
 657         if(prog->funcoffsets.CSQC_Event)
 658         {
 659                 prog->globals.client->time = cl.time;
 660                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 661                 PRVM_G_FLOAT(OFS_PARM0) = event;
 662                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 663                 r = CSQC_RETURNVAL;
 664         }
 665         CSQC_END
 666         return r;
 667 }
 668
 669 void CSQC_ReadEntities (void)
 670 {
 671         unsigned short entnum, oldself, realentnum;
 672         if(!cl.csqc_loaded)
 673         {
 674                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 675                 return;
 676         }
 677
 678         CSQC_BEGIN
 679                 prog->globals.client->time = cl.time;
 680                 oldself = prog->globals.client->self;
 681                 while(1)
 682                 {
 683                         entnum = MSG_ReadShort();
 684                         if(!entnum || msg_badread)
 685                                 break;
 686                         realentnum = entnum & 0x7FFF;
 687                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 688                         if(entnum & 0x8000)
 689                         {
 690                                 if(prog->globals.client->self)
 691                                 {
 692                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 693                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 694                                 }
 695                                 else
 696                                 {
 697                                         // LordHavoc: removing an entity that is already gone on
 698                                         // the csqc side is possible for legitimate reasons (such
 699                                         // as a repeat of the remove message), so no warning is
 700                                         // needed
 701                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 702                                 }
 703                         }
 704                         else
 705                         {
 706                                 if(!prog->globals.client->self)
 707                                 {
 708                                         if(!prog->funcoffsets.CSQC_Ent_Spawn)
 709                                         {
 710                                                 prvm_edict_t    *ed;
 711                                                 ed = PRVM_ED_Alloc();
 712                                                 ed->fields.client->entnum = realentnum;
 713                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 714                                         }
 715                                         else
 716                                         {
 717                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 718                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 719                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 720                                                 // make sure no one gets wrong ideas
 721                                                 prog->globals.client->self = 0;
 722                                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Spawn, "QC function CSQC_Ent_Spawn is missing");
 723                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 724                                         }
 725                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 726                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 727                                 }
 728                                 else {
 729                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 730                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 731                                 }
 732                         }
 733                 }
 734                 prog->globals.client->self = oldself;
 735         CSQC_END
 736 }
 737
 738 void CL_VM_CB_BeginIncreaseEdicts(void)
 739 {
 740         // links don't survive the transition, so unlink everything
 741         World_UnlinkAll(&cl.world);
 742 }
 743
 744 void CL_VM_CB_EndIncreaseEdicts(void)
 745 {
 746         int i;
 747         prvm_edict_t *ent;
 748
 749         // link every entity except world
 750         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 751                 if (!ent->priv.server->free)
 752                         CL_LinkEdict(ent);
 753 }
 754
 755 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 756 {
 757         int edictnum = PRVM_NUM_FOR_EDICT(e);
 758         entity_render_t *entrender;
 759         CL_ExpandCSQCRenderEntities(edictnum);
 760         entrender = cl.csqcrenderentities + edictnum;
 761         e->priv.server->move = false; // don't move on first frame
 762         memset(entrender, 0, sizeof(*entrender));
 763         entrender->shadertime = cl.time;
 764 }
 765
 766 extern void R_DecalSystem_Reset(decalsystem_t *decalsystem);
 767
 768 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 769 {
 770         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 771         R_DecalSystem_Reset(&entrender->decalsystem);
 772         memset(entrender, 0, sizeof(*entrender));
 773         World_UnlinkEdict(ed);
 774         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 775         VM_RemoveEdictSkeleton(ed);
 776         World_Physics_RemoveFromEntity(&cl.world, ed);
 777         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 778 }
 779
 780 void CL_VM_CB_CountEdicts(void)
 781 {
 782         int             i;
 783         prvm_edict_t    *ent;
 784         int             active = 0, models = 0, solid = 0;
 785
 786         for (i=0 ; i<prog->num_edicts ; i++)
 787         {
 788                 ent = PRVM_EDICT_NUM(i);
 789                 if (ent->priv.server->free)
 790                         continue;
 791                 active++;
 792                 if (ent->fields.client->solid)
 793                         solid++;
 794                 if (ent->fields.client->model)
 795                         models++;
 796         }
 797
 798         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 799         Con_Printf("active    :%3i\n", active);
 800         Con_Printf("view      :%3i\n", models);
 801         Con_Printf("touch     :%3i\n", solid);
 802 }
 803
 804 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 805 {
 806         return true;
 807 }
 808
 809 void Cmd_ClearCsqcFuncs (void);
 810
 811 // returns true if the packet is valid, false if end of file is reached
 812 // used for dumping the CSQC download into demo files
 813 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 814 {
 815         int packetsize = buf->maxsize - 7; // byte short long
 816         int npackets = (len + packetsize - 1) / (packetsize);
 817
 818         if(protocol == PROTOCOL_QUAKEWORLD)
 819                 return false; // CSQC can't run in QW anyway
 820
 821         SZ_Clear(buf);
 822         if(cnt == 0)
 823         {
 824                 MSG_WriteByte(buf, svc_stufftext);
 825                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 826                 return true;
 827         }
 828         else if(cnt >= 1 && cnt <= npackets)
 829         {
 830                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 831                 int thispacketsize = len - thispacketoffset;
 832                 if(thispacketsize > packetsize)
 833                         thispacketsize = packetsize;
 834
 835                 MSG_WriteByte(buf, svc_downloaddata);
 836                 MSG_WriteLong(buf, thispacketoffset);
 837                 MSG_WriteShort(buf, thispacketsize);
 838                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 839
 840                 return true;
 841         }
 842         else if(cnt == npackets + 1)
 843         {
 844                 MSG_WriteByte(buf, svc_stufftext);
 845                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 846                 return true;
 847         }
 848         return false;
 849 }
 850
 851 void CL_VM_Init (void)
 852 {
 853         const char* csprogsfn;
 854         unsigned char *csprogsdata;
 855         fs_offset_t csprogsdatasize;
 856         int csprogsdatacrc, requiredcrc;
 857         int requiredsize;
 858         prvm_eval_t *val;
 859
 860         // reset csqc_progcrc after reading it, so that changing servers doesn't
 861         // expect csqc on the next server
 862         requiredcrc = csqc_progcrc.integer;
 863         requiredsize = csqc_progsize.integer;
 864         Cvar_SetValueQuick(&csqc_progcrc, -1);
 865         Cvar_SetValueQuick(&csqc_progsize, -1);
 866
 867         // if the server is not requesting a csprogs, then we're done here
 868         if (requiredcrc < 0)
 869                 return;
 870
 871         // see if the requested csprogs.dat file matches the requested crc
 872         csprogsdatacrc = -1;
 873         csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 874         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 875         if (!csprogsdata)
 876         {
 877                 csprogsfn = csqc_progname.string;
 878                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 879         }
 880         if (csprogsdata)
 881         {
 882                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
 883                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 884                 {
 885                         if (cls.demoplayback)
 886                         {
 887                                 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);
 888                                 // Mem_Free(csprogsdata);
 889                                 // return;
 890                                 // We WANT to continue here, and play the demo with different csprogs!
 891                                 // After all, this is just a warning. Sure things may go wrong from here.
 892                         }
 893                         else
 894                         {
 895                                 Mem_Free(csprogsdata);
 896                                 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);
 897                                 CL_Disconnect();
 898                                 return;
 899                         }
 900                 }
 901         }
 902         else
 903         {
 904                 if (requiredcrc >= 0)
 905                 {
 906                         if (cls.demoplayback)
 907                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 908                         else
 909                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 910                         CL_Disconnect();
 911                 }
 912                 return;
 913         }
 914
 915         PRVM_Begin;
 916         PRVM_InitProg(PRVM_CLIENTPROG);
 917
 918         // allocate the mempools
 919         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 920         prog->headercrc = CL_PROGHEADER_CRC;
 921         prog->edictprivate_size = 0; // no private struct used
 922         prog->name = CL_NAME;
 923         prog->num_edicts = 1;
 924         prog->max_edicts = 512;
 925         prog->limit_edicts = CL_MAX_EDICTS;
 926         prog->reserved_edicts = 0;
 927         prog->edictprivate_size = sizeof(edict_engineprivate_t);
 928         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
 929         prog->extensionstring = vm_sv_extensions;
 930         prog->builtins = vm_cl_builtins;
 931         prog->numbuiltins = vm_cl_numbuiltins;
 932         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
 933         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
 934         prog->init_edict = CL_VM_CB_InitEdict;
 935         prog->free_edict = CL_VM_CB_FreeEdict;
 936         prog->count_edicts = CL_VM_CB_CountEdicts;
 937         prog->load_edict = CL_VM_CB_LoadEdict;
 938         prog->init_cmd = VM_CL_Cmd_Init;
 939         prog->reset_cmd = VM_CL_Cmd_Reset;
 940         prog->error_cmd = CL_VM_Error;
 941         prog->ExecuteProgram = CLVM_ExecuteProgram;
 942
 943         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, 0, NULL, 0, NULL);
 944
 945         if (!prog->loaded)
 946         {
 947                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
 948                 if(!sv.active)
 949                         CL_Disconnect();
 950                 Mem_Free(csprogsdata);
 951                 return;
 952         }
 953
 954         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
 955
 956         if(cls.demorecording)
 957         {
 958                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
 959                 {
 960                         int i;
 961                         static char buf[NET_MAXMESSAGE];
 962                         sizebuf_t sb;
 963                         unsigned char *demobuf; fs_offset_t demofilesize;
 964
 965                         sb.data = (unsigned char *) buf;
 966                         sb.maxsize = sizeof(buf);
 967                         i = 0;
 968
 969                         CL_CutDemo(&demobuf, &demofilesize);
 970                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
 971                                 CL_WriteDemoMessage(&sb);
 972                         CL_PasteDemo(&demobuf, &demofilesize);
 973
 974                         cls.demo_lastcsprogssize = csprogsdatasize;
 975                         cls.demo_lastcsprogscrc = csprogsdatacrc;
 976                 }
 977         }
 978         Mem_Free(csprogsdata);
 979
 980         // check if OP_STATE animation is possible in this dat file
 981         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
 982                 prog->flag |= PRVM_OP_STATE;
 983
 984         // set time
 985         prog->globals.client->time = cl.time;
 986         prog->globals.client->self = 0;
 987
 988         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldname);
 989         prog->globals.client->player_localentnum = cl.playerentity;
 990
 991         // set map description (use world entity 0)
 992         val = PRVM_EDICTFIELDVALUE(prog->edicts, prog->fieldoffsets.message);
 993         if(val)
 994                 val->string = PRVM_SetEngineString(cl.worldmessage);
 995         VectorCopy(cl.world.mins, prog->edicts->fields.client->mins);
 996         VectorCopy(cl.world.maxs, prog->edicts->fields.client->maxs);
 997
 998         // call the prog init
 999         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
1000
1001         PRVM_End;
1002         cl.csqc_loaded = true;
1003
1004         cl.csqc_vidvars.drawcrosshair = false;
1005         cl.csqc_vidvars.drawenginesbar = false;
1006
1007         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1008         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1009 }
1010
1011 void CL_VM_ShutDown (void)
1012 {
1013         Cmd_ClearCsqcFuncs();
1014         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1015         //Cvar_SetValueQuick(&csqc_progsize, -1);
1016         if(!cl.csqc_loaded)
1017                 return;
1018         CSQC_BEGIN
1019                 prog->globals.client->time = cl.time;
1020                 prog->globals.client->self = 0;
1021                 if (prog->funcoffsets.CSQC_Shutdown)
1022                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
1023                 PRVM_ResetProg();
1024         CSQC_END
1025         Con_DPrint("CSQC ^1unloaded\n");
1026         cl.csqc_loaded = false;
1027 }
1028
1029 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1030 {
1031         prvm_edict_t *ed;
1032         dp_model_t *mod;
1033         matrix4x4_t matrix;
1034         qboolean r = 0;
1035
1036         CSQC_BEGIN;
1037
1038         // FIXME consider attachments here!
1039
1040         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1041
1042         if(!ed->priv.required->free)
1043         {
1044                 mod = CL_GetModelFromEdict(ed);
1045                 VectorCopy(ed->fields.client->origin, out);
1046                 if(CL_GetTagMatrix (&matrix, ed, 0) == 0)
1047                         Matrix4x4_OriginFromMatrix(&matrix, out);
1048                 if (mod && mod->soundfromcenter)
1049                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1050                 r = 1;
1051         }
1052
1053         CSQC_END;
1054
1055         return r;
1056 }
1057
1058 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1059 {
1060         qboolean ret = false;
1061         prvm_edict_t *ed;
1062         prvm_eval_t *val, *valforward, *valright, *valup, *valendpos;
1063         vec3_t forward, left, up, origin, ang;
1064         matrix4x4_t mat, matq;
1065
1066         CSQC_BEGIN
1067                 ed = PRVM_EDICT_NUM(entnum);
1068                 // camera:
1069                 //   camera_transform
1070                 if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.camera_transform)) && val->function)
1071                 {
1072                         ret = true;
1073                         if(viewmatrix || clipplane || visorigin)
1074                         {
1075                                 valforward = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_forward);
1076                                 valright = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_right);
1077                                 valup = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_up);
1078                                 valendpos = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos);
1079                                 if(valforward && valright && valup && valendpos)
1080                                 {
1081                                         Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1082                                         AnglesFromVectors(ang, forward, up, false);
1083                                         prog->globals.client->time = cl.time;
1084                                         prog->globals.client->self = entnum;
1085                                         VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1086                                         VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1087                                         VectorCopy(forward, valforward->vector);
1088                                         VectorScale(left, -1, valright->vector);
1089                                         VectorCopy(up, valup->vector);
1090                                         VectorCopy(origin, valendpos->vector);
1091                                         PRVM_ExecuteProgram(val->function, "QC function e.camera_transform is missing");
1092                                         VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1093                                         VectorCopy(valforward->vector, forward);
1094                                         VectorScale(valright->vector, -1, left);
1095                                         VectorCopy(valup->vector, up);
1096                                         VectorCopy(valendpos->vector, visorigin);
1097                                         Matrix4x4_Invert_Full(&mat, viewmatrix);
1098                                         Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1099                                         Matrix4x4_Concat(&matq, viewmatrix, &mat);
1100                                         Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1101                                 }
1102                         }
1103                 }
1104         CSQC_END
1105
1106         return ret;
1107 }