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
   9 //============================================================================
  10 // Client prog handling
  11 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
  12
  13 #define CSQC_RETURNVAL  prog->globals.generic[OFS_RETURN]
  14 #define CSQC_BEGIN              csqc_tmpprog=prog;prog=0;PRVM_SetProg(PRVM_CLIENTPROG);
  15 #define CSQC_END                prog=csqc_tmpprog;
  16 static prvm_prog_t *csqc_tmpprog;
  17
  18 //[515]: these are required funcs
  19 static char *cl_required_func[] =
  20 {
  21         "CSQC_Init",
  22         "CSQC_InputEvent",
  23         "CSQC_UpdateView",
  24         "CSQC_ConsoleCommand",
  25 };
  26
  27 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  28
  29 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
  30 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
  31 {
  32         char errorstring[4096];
  33         va_list argptr;
  34
  35         va_start (argptr, format);
  36         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
  37         va_end (argptr);
  38 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
  39
  40         PRVM_Crash();
  41         cl.csqc_loaded = false;
  42
  43         Cvar_SetValueQuick(&csqc_progcrc, -1);
  44         Cvar_SetValueQuick(&csqc_progsize, -1);
  45
  46 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
  47         Host_Error(va("CL_VM_Error: %s", errorstring));
  48 }
  49 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
  50 {
  51         prvm_eval_t *val;
  52         if(cl.csqc_loaded)
  53         {
  54                 CSQC_BEGIN
  55                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_take);
  56                 if(val)
  57                         val->_float = dmg_take;
  58                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_save);
  59                 if(val)
  60                         val->_float = dmg_save;
  61                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_origin);
  62                 if(val)
  63                 {
  64                         val->vector[0] = dmg_origin[0];
  65                         val->vector[1] = dmg_origin[1];
  66                         val->vector[2] = dmg_origin[2];
  67                 }
  68                 CSQC_END
  69         }
  70 }
  71 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
  72 static void CSQC_SetGlobals (void)
  73 {
  74         prvm_eval_t *val;
  75         CSQC_BEGIN
  76                 prog->globals.client->time = cl.time;
  77                 prog->globals.client->frametime = max(0, cl.time - cl.oldtime);
  78                 prog->globals.client->servercommandframe = cls.servermovesequence;
  79                 prog->globals.client->clientcommandframe = cl.movecmd[0].sequence;
  80                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
  81                 VectorCopy(cl.viewangles, cl.csqc_angles);
  82                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
  83                 prog->globals.client->input_buttons = cl.movecmd[0].buttons;
  84                 VectorSet(prog->globals.client->input_movevalues, cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
  85                 //VectorCopy(cl.movement_origin, cl.csqc_origin);
  86                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, cl.csqc_origin);
  87
  88                 // LordHavoc: Spike says not to do this, but without pmove_org the
  89                 // CSQC is useless as it can't alter the view origin without
  90                 // completely replacing it
  91                 VectorCopy(cl.csqc_origin, prog->globals.client->pmove_org);
  92                 VectorCopy(cl.velocity, prog->globals.client->pmove_vel);
  93
  94                 if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.view_angles)))
  95                         VectorCopy(cl.viewangles, val->vector);
  96                 prog->globals.client->maxclients = cl.maxclients;
  97         CSQC_END
  98 }
  99
 100 void CSQC_Predraw (prvm_edict_t *ed)
 101 {
 102         int b;
 103         if(!ed->fields.client->predraw)
 104                 return;
 105         b = prog->globals.client->self;
 106         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 107         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
 108         prog->globals.client->self = b;
 109 }
 110
 111 void CSQC_Think (prvm_edict_t *ed)
 112 {
 113         int b;
 114         if(ed->fields.client->think)
 115         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 116         {
 117                 ed->fields.client->nextthink = 0;
 118                 b = prog->globals.client->self;
 119                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 120                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 121                 prog->globals.client->self = b;
 122         }
 123 }
 124
 125 extern cvar_t cl_noplayershadow;
 126 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed)
 127 {
 128         int renderflags;
 129         int c;
 130         float scale;
 131         prvm_eval_t *val;
 132         entity_t *e;
 133         model_t *model;
 134         matrix4x4_t tagmatrix, matrix2;
 135
 136         model = CL_GetModelFromEdict(ed);
 137         if (!model)
 138                 return false;
 139
 140         e = CL_NewTempEntity();
 141         if (!e)
 142                 return false;
 143
 144         e->render.model = model;
 145         e->render.skinnum = (int)ed->fields.client->skin;
 146         e->render.effects |= e->render.model->effects;
 147         scale = 1;
 148         renderflags = 0;
 149         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.renderflags)) && val->_float)     renderflags = (int)val->_float;
 150         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.alpha)) && val->_float)           e->render.alpha = val->_float;
 151         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.scale)) && val->_float)           e->render.scale = scale = val->_float;
 152         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, e->render.colormod);
 153         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.effects)) && val->_float) e->render.effects |= (int)val->_float;
 154         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_entity)) && val->edict)
 155         {
 156                 int tagentity;
 157                 int tagindex = 0;
 158                 tagentity = val->edict;
 159                 if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_index)) && val->_float)
 160                         tagindex = (int)val->_float;
 161                 CL_GetTagMatrix (&tagmatrix, PRVM_PROG_TO_EDICT(tagentity), tagindex);
 162         }
 163         else
 164                 Matrix4x4_CreateIdentity(&tagmatrix);
 165
 166         if (renderflags & RF_USEAXIS)
 167         {
 168                 vec3_t left;
 169                 VectorNegate(prog->globals.client->v_right, left);
 170                 Matrix4x4_FromVectors(&matrix2, prog->globals.client->v_forward, left, prog->globals.client->v_up, ed->fields.client->origin);
 171                 Matrix4x4_Scale(&matrix2, scale, 1);
 172         }
 173         else
 174         {
 175                 vec3_t angles;
 176                 VectorCopy(ed->fields.client->angles, angles);
 177                 // if model is alias, reverse pitch direction
 178                 if (e->render.model->type == mod_alias)
 179                         angles[0] = -angles[0];
 180
 181                 // set up the render matrix
 182                 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);
 183         }
 184
 185         // set up the animation data
 186         // self.frame is the interpolation target (new frame)
 187         // self.frame1time is the animation base time for the interpolation target
 188         // self.frame2 is the interpolation start (previous frame)
 189         // self.frame2time is the animation base time for the interpolation start
 190         e->render.frame1 = e->render.frame2 = ed->fields.client->frame;
 191         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) e->render.frame2 = val->_float;
 192         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) e->render.frame2time = val->_float;
 193         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) e->render.frame1time = val->_float;
 194         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) e->render.framelerp = val->_float;
 195
 196         // concat the matrices to make the entity relative to its tag
 197         Matrix4x4_Concat(&e->render.matrix, &tagmatrix, &matrix2);
 198
 199         if(renderflags)
 200         {
 201                 if(renderflags & RF_VIEWMODEL)  e->render.flags |= RENDER_VIEWMODEL;
 202                 if(renderflags & RF_EXTERNALMODEL)e->render.flags |= RENDER_EXTERIORMODEL;
 203                 if(renderflags & RF_DEPTHHACK)  e->render.effects |= EF_NODEPTHTEST;
 204                 if(renderflags & RF_ADDITIVE)           e->render.effects |= EF_ADDITIVE;
 205         }
 206
 207         c = (int)ed->fields.client->colormap;
 208         if (c <= 0)
 209                 CL_SetEntityColormapColors(&e->render, -1);
 210         else if (c <= cl.maxclients && cl.scores != NULL)
 211                 CL_SetEntityColormapColors(&e->render, cl.scores[c-1].colors);
 212         else
 213                 CL_SetEntityColormapColors(&e->render, c);
 214
 215         // either fullbright or lit
 216         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 217                 e->render.flags |= RENDER_LIGHT;
 218         // hide player shadow during intermission or nehahra movie
 219         if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 220          &&  (e->render.alpha >= 1)
 221          && !(e->render.flags & RENDER_VIEWMODEL)
 222          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 223                 e->render.flags |= RENDER_SHADOW;
 224         if (e->render.flags & RENDER_VIEWMODEL)
 225                 e->render.flags |= RENDER_NOSELFSHADOW;
 226
 227         // make the other useful stuff
 228         CL_UpdateRenderEntity(&e->render);
 229
 230         return true;
 231 }
 232
 233 qboolean CL_VM_InputEvent (qboolean down, int key, int ascii)
 234 {
 235         qboolean r;
 236
 237         if(!cl.csqc_loaded)
 238                 return false;
 239
 240         CSQC_BEGIN
 241                 if (!prog->funcoffsets.CSQC_InputEvent)
 242                         r = false;
 243                 else
 244                 {
 245                         prog->globals.client->time = cl.time;
 246                         PRVM_G_FLOAT(OFS_PARM0) = !down; // 0 is down, 1 is up
 247                         PRVM_G_FLOAT(OFS_PARM1) = key;
 248                         PRVM_G_FLOAT(OFS_PARM2) = ascii;
 249                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 250                         r = CSQC_RETURNVAL;
 251                 }
 252         CSQC_END
 253         return r;
 254 }
 255
 256 qboolean CL_VM_UpdateView (void)
 257 {
 258         vec3_t emptyvector;
 259         emptyvector[0] = 0;
 260         emptyvector[1] = 0;
 261         emptyvector[2] = 0;
 262 //      vec3_t oldangles;
 263         if(!cl.csqc_loaded)
 264                 return false;
 265         CSQC_BEGIN
 266                 //VectorCopy(cl.viewangles, oldangles);
 267                 prog->globals.client->time = cl.time;
 268                 CSQC_SetGlobals();
 269                 // clear renderable entity and light lists to prevent crashes if the
 270                 // CSQC_UpdateView function does not call R_ClearScene as it should
 271                 r_refdef.numentities = 0;
 272                 r_refdef.numlights = 0;
 273                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 274                 //VectorCopy(oldangles, cl.viewangles);
 275                 // Dresk : Reset Dmg Globals Here
 276                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 277         CSQC_END
 278         return true;
 279 }
 280
 281 extern sizebuf_t vm_tempstringsbuf;
 282 qboolean CL_VM_ConsoleCommand (const char *cmd)
 283 {
 284         int restorevm_tempstringsbuf_cursize;
 285         qboolean r = false;
 286         if(!cl.csqc_loaded)
 287                 return false;
 288         CSQC_BEGIN
 289         if (prog->funcoffsets.CSQC_ConsoleCommand)
 290         {
 291                 prog->globals.client->time = cl.time;
 292                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 293                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 294                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 295                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 296                 r = CSQC_RETURNVAL;
 297         }
 298         CSQC_END
 299         return r;
 300 }
 301
 302 qboolean CL_VM_Parse_TempEntity (void)
 303 {
 304         int                     t;
 305         qboolean        r = false;
 306         if(!cl.csqc_loaded)
 307                 return false;
 308         CSQC_BEGIN
 309         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 310         {
 311                 t = msg_readcount;
 312                 prog->globals.client->time = cl.time;
 313                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 314                 r = CSQC_RETURNVAL;
 315                 if(!r)
 316                 {
 317                         msg_readcount = t;
 318                         msg_badread = false;
 319                 }
 320         }
 321         CSQC_END
 322         return r;
 323 }
 324
 325 void CL_VM_Parse_StuffCmd (const char *msg)
 326 {
 327         int restorevm_tempstringsbuf_cursize;
 328         if(msg[0] == 'c')
 329         if(msg[1] == 's')
 330         if(msg[2] == 'q')
 331         if(msg[3] == 'c')
 332         {
 333                 // if this is setting a csqc variable, deprotect csqc_progcrc
 334                 // temporarily so that it can be set by the cvar command,
 335                 // and then reprotect it afterwards
 336                 int crcflags = csqc_progcrc.flags;
 337                 int sizeflags = csqc_progcrc.flags;
 338                 csqc_progcrc.flags &= ~CVAR_READONLY;
 339                 csqc_progsize.flags &= ~CVAR_READONLY;
 340                 Cmd_ExecuteString (msg, src_command);
 341                 csqc_progcrc.flags = crcflags;
 342                 csqc_progsize.flags = sizeflags;
 343                 return;
 344         }
 345         if(!cl.csqc_loaded)
 346         {
 347                 Cbuf_AddText(msg);
 348                 return;
 349         }
 350         CSQC_BEGIN
 351         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 352         {
 353                 prog->globals.client->time = cl.time;
 354                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 355                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 356                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 357                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 358         }
 359         else
 360                 Cbuf_AddText(msg);
 361         CSQC_END
 362 }
 363
 364 static void CL_VM_Parse_Print (const char *msg)
 365 {
 366         int restorevm_tempstringsbuf_cursize;
 367         prog->globals.client->time = cl.time;
 368         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 369         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 370         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 371         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 372 }
 373
 374 void CSQC_AddPrintText (const char *msg)
 375 {
 376         size_t i;
 377         if(!cl.csqc_loaded)
 378         {
 379                 Con_Print(msg);
 380                 return;
 381         }
 382         CSQC_BEGIN
 383         if(prog->funcoffsets.CSQC_Parse_Print)
 384         {
 385                 // FIXME: is this bugged?
 386                 i = strlen(msg)-1;
 387                 if(msg[i] != '\n' && msg[i] != '\r')
 388                 {
 389                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 390                         {
 391                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 392                                 cl.csqc_printtextbuf[0] = 0;
 393                         }
 394                         else
 395                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 396                         return;
 397                 }
 398                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 399                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 400                 cl.csqc_printtextbuf[0] = 0;
 401         }
 402         else
 403                 Con_Print(msg);
 404         CSQC_END
 405 }
 406
 407 void CL_VM_Parse_CenterPrint (const char *msg)
 408 {
 409         int restorevm_tempstringsbuf_cursize;
 410         if(!cl.csqc_loaded)
 411         {
 412                 SCR_CenterPrint((char*)msg);
 413                 return;
 414         }
 415         CSQC_BEGIN
 416         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 417         {
 418                 prog->globals.client->time = cl.time;
 419                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 420                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 421                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 422                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 423         }
 424         else
 425                 SCR_CenterPrint((char*)msg);
 426         CSQC_END
 427 }
 428
 429 void CL_VM_UpdateIntermissionState (int intermission)
 430 {
 431         prvm_eval_t *val;
 432         if(cl.csqc_loaded)
 433         {
 434                 CSQC_BEGIN
 435                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.intermission);
 436                 if(val)
 437                         val->_float = intermission;
 438                 CSQC_END
 439         }
 440 }
 441 void CL_VM_UpdateShowingScoresState (int showingscores)
 442 {
 443         prvm_eval_t *val;
 444         if(cl.csqc_loaded)
 445         {
 446                 CSQC_BEGIN
 447                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.sb_showscores);
 448                 if(val)
 449                         val->_float = showingscores;
 450                 CSQC_END
 451         }
 452 }
 453 qboolean CL_VM_Event_Sound(int sound_num, int volume, int channel, float attenuation, int ent, vec3_t pos)
 454 {
 455         qboolean r = false;
 456         if(cl.csqc_loaded)
 457         {
 458                 CSQC_BEGIN
 459                 if(prog->funcoffsets.CSQC_Event_Sound)
 460                 {
 461                         prog->globals.client->time = cl.time;
 462                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 463                         PRVM_G_FLOAT(OFS_PARM1) = channel;
 464                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 465                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 466                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 467                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 468                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event_Sound, "QC function CSQC_Event_Sound is missing");
 469                         r = CSQC_RETURNVAL;
 470                 }
 471                 CSQC_END
 472         }
 473
 474         return r;
 475 }
 476 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 477 {
 478         // Avoid global names for clean(er) coding
 479         int localcoop;
 480         int localdeathmatch;
 481
 482         prvm_eval_t *val;
 483         if(cl.csqc_loaded)
 484         {
 485                 if(gametype == GAME_COOP)
 486                 {
 487                         localcoop = 1;
 488                         localdeathmatch = 0;
 489                 }
 490                 else
 491                 if(gametype == GAME_DEATHMATCH)
 492                 {
 493                         localcoop = 0;
 494                         localdeathmatch = 1;
 495                 }
 496                 else
 497                 {
 498                         // How did the ServerInfo send an unknown gametype?
 499                         // Better just assign the globals as 0...
 500                         localcoop = 0;
 501                         localdeathmatch = 0;
 502                 }
 503                 CSQC_BEGIN
 504                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.coop);
 505                 if(val)
 506                         val->_float = localcoop;
 507                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.deathmatch);
 508                 if(val)
 509                         val->_float = localdeathmatch;
 510                 CSQC_END
 511         }
 512 }
 513 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 514 {
 515         float r = 0;
 516         if(!cl.csqc_loaded)
 517                 return 0;
 518         CSQC_BEGIN
 519         if(prog->funcoffsets.CSQC_Event)
 520         {
 521                 prog->globals.client->time = cl.time;
 522                 PRVM_G_FLOAT(OFS_PARM0) = event;
 523                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 524                 r = CSQC_RETURNVAL;
 525         }
 526         CSQC_END
 527         return r;
 528 }
 529
 530 void CSQC_ReadEntities (void)
 531 {
 532         unsigned short entnum, oldself, realentnum;
 533         if(!cl.csqc_loaded)
 534         {
 535                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 536                 return;
 537         }
 538
 539         CSQC_BEGIN
 540                 prog->globals.client->time = cl.time;
 541                 oldself = prog->globals.client->self;
 542                 while(1)
 543                 {
 544                         entnum = MSG_ReadShort();
 545                         if(!entnum || msg_badread)
 546                                 return;
 547                         realentnum = entnum & 0x7FFF;
 548                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 549                         if(entnum & 0x8000)
 550                         {
 551                                 if(prog->globals.client->self)
 552                                 {
 553                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 554                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 555                                 }
 556                                 else
 557                                         Con_Printf("Smth bad happens in csqc...\n");    //[515]: never happens ?
 558                         }
 559                         else
 560                         {
 561                                 if(!prog->globals.client->self)
 562                                 {
 563                                         prvm_edict_t    *ed;
 564                                         ed = PRVM_ED_Alloc();
 565                                         ed->fields.client->entnum = realentnum;
 566                                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 567                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 568                                 }
 569                                 else
 570                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 571                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 572                         }
 573                 }
 574                 prog->globals.client->self = oldself;
 575         CSQC_END
 576 }
 577
 578 void CL_VM_CB_BeginIncreaseEdicts(void)
 579 {
 580         int i;
 581         prvm_edict_t *ent;
 582
 583         // links don't survive the transition, so unlink everything
 584         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 585         {
 586                 if (!ent->priv.server->free)
 587                         World_UnlinkEdict(prog->edicts + i);
 588                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
 589         }
 590         World_Clear(&cl.world);
 591 }
 592
 593 void CL_VM_CB_EndIncreaseEdicts(void)
 594 {
 595         int i;
 596         prvm_edict_t *ent;
 597
 598         // link every entity except world
 599         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 600                 if (!ent->priv.server->free)
 601                         CL_LinkEdict(ent);
 602 }
 603
 604 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 605 {
 606         e->priv.server->move = false; // don't move on first frame
 607 }
 608
 609 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 610 {
 611         World_UnlinkEdict(ed);
 612         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 613 }
 614
 615 void CL_VM_CB_CountEdicts(void)
 616 {
 617         int             i;
 618         prvm_edict_t    *ent;
 619         int             active = 0, models = 0, solid = 0;
 620
 621         for (i=0 ; i<prog->num_edicts ; i++)
 622         {
 623                 ent = PRVM_EDICT_NUM(i);
 624                 if (ent->priv.server->free)
 625                         continue;
 626                 active++;
 627                 if (ent->fields.client->solid)
 628                         solid++;
 629                 if (ent->fields.client->model)
 630                         models++;
 631         }
 632
 633         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 634         Con_Printf("active    :%3i\n", active);
 635         Con_Printf("view      :%3i\n", models);
 636         Con_Printf("touch     :%3i\n", solid);
 637 }
 638
 639 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 640 {
 641         return true;
 642 }
 643
 644 void Cmd_ClearCsqcFuncs (void);
 645
 646 void CL_VM_Init (void)
 647 {
 648         const char* csprogsfn;
 649         unsigned char *csprogsdata;
 650         fs_offset_t csprogsdatasize;
 651         int csprogsdatacrc, requiredcrc;
 652         int requiredsize;
 653         prvm_eval_t *val;
 654
 655         // reset csqc_progcrc after reading it, so that changing servers doesn't
 656         // expect csqc on the next server
 657         requiredcrc = csqc_progcrc.integer;
 658         requiredsize = csqc_progsize.integer;
 659         Cvar_SetValueQuick(&csqc_progcrc, -1);
 660         Cvar_SetValueQuick(&csqc_progsize, -1);
 661
 662         // if the server is not requesting a csprogs, then we're done here
 663         if (requiredcrc < 0)
 664                 return;
 665
 666         // see if the requested csprogs.dat file matches the requested crc
 667         csprogsdatacrc = -1;
 668         csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 669         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 670         if (!csprogsdata)
 671         {
 672                 csprogsfn = csqc_progname.string;
 673                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 674         }
 675         if (csprogsdata)
 676         {
 677                 csprogsdatacrc = CRC_Block(csprogsdata, csprogsdatasize);
 678                 Mem_Free(csprogsdata);
 679                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 680                 {
 681                         if (cls.demoplayback)
 682                         {
 683                                 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);
 684                                 return;
 685                         }
 686                         else
 687                         {
 688                                 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);
 689                                 CL_Disconnect();
 690                                 return;
 691                         }
 692                 }
 693         }
 694         else
 695         {
 696                 if (requiredcrc >= 0)
 697                 {
 698                         if (cls.demoplayback)
 699                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 700                         else
 701                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 702                         CL_Disconnect();
 703                 }
 704                 return;
 705         }
 706
 707         PRVM_Begin;
 708         PRVM_InitProg(PRVM_CLIENTPROG);
 709
 710         // allocate the mempools
 711         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 712         prog->headercrc = CL_PROGHEADER_CRC;
 713         prog->edictprivate_size = 0; // no private struct used
 714         prog->name = CL_NAME;
 715         prog->num_edicts = 1;
 716         prog->max_edicts = 512;
 717         prog->limit_edicts = CL_MAX_EDICTS;
 718         prog->reserved_edicts = 0;
 719         prog->edictprivate_size = sizeof(edict_engineprivate_t);
 720         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
 721         prog->extensionstring = vm_sv_extensions;
 722         prog->builtins = vm_cl_builtins;
 723         prog->numbuiltins = vm_cl_numbuiltins;
 724         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
 725         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
 726         prog->init_edict = CL_VM_CB_InitEdict;
 727         prog->free_edict = CL_VM_CB_FreeEdict;
 728         prog->count_edicts = CL_VM_CB_CountEdicts;
 729         prog->load_edict = CL_VM_CB_LoadEdict;
 730         prog->init_cmd = VM_CL_Cmd_Init;
 731         prog->reset_cmd = VM_CL_Cmd_Reset;
 732         prog->error_cmd = CL_VM_Error;
 733
 734         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, 0, NULL, 0, NULL);
 735
 736         if (!prog->loaded)
 737         {
 738                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
 739                 if(!sv.active)
 740                         CL_Disconnect();
 741                 return;
 742         }
 743
 744         Con_Printf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
 745
 746         // check if OP_STATE animation is possible in this dat file
 747         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
 748                 prog->flag |= PRVM_OP_STATE;
 749
 750         // set time
 751         prog->globals.client->time = cl.time;
 752
 753         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldmodel->name);
 754         prog->globals.client->player_localentnum = cl.playerentity;
 755
 756         // set map description (use world entity 0)
 757         val = PRVM_EDICTFIELDVALUE(prog->edicts, prog->fieldoffsets.message);
 758         if(val)
 759                 val->string = PRVM_SetEngineString(cl.levelname);
 760
 761         // call the prog init
 762         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
 763
 764         PRVM_End;
 765         cl.csqc_loaded = true;
 766
 767         cl.csqc_vidvars.drawcrosshair = false;
 768         cl.csqc_vidvars.drawenginesbar = false;
 769
 770         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
 771         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
 772 }
 773
 774 void CL_VM_ShutDown (void)
 775 {
 776         Cmd_ClearCsqcFuncs();
 777         Cvar_SetValueQuick(&csqc_progcrc, -1);
 778         Cvar_SetValueQuick(&csqc_progsize, -1);
 779         if(!cl.csqc_loaded)
 780                 return;
 781         CSQC_BEGIN
 782                 prog->globals.client->time = cl.time;
 783                 if (prog->funcoffsets.CSQC_Shutdown)
 784                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
 785                 PRVM_ResetProg();
 786         CSQC_END
 787         Con_Print("CSQC ^1unloaded\n");
 788         cl.csqc_loaded = false;
 789 }