csprogs.c

   1 #include "quakedef.h"
   2 #include "progsvm.h"
   3 #include "clprogdefs.h"
   4 #include "csprogs.h"
   5 #include "cl_collision.h"
   6
   7 //============================================================================
   8 // Client prog handling
   9 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
  10
  11 #define CSQC_RETURNVAL  prog->globals.generic[OFS_RETURN]
  12 #define CSQC_BEGIN              csqc_tmpprog=prog;prog=0;PRVM_SetProg(PRVM_CLIENTPROG);
  13 #define CSQC_END                prog=csqc_tmpprog;
  14 static prvm_prog_t *csqc_tmpprog;
  15
  16 //[515]: these are required funcs
  17 static char *cl_required_func[] =
  18 {
  19         "CSQC_Init",
  20         "CSQC_InputEvent",
  21         "CSQC_UpdateView",
  22         "CSQC_ConsoleCommand",
  23 };
  24
  25 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  26
  27 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
  28 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
  29 {
  30         char errorstring[4096];
  31         va_list argptr;
  32
  33         va_start (argptr, format);
  34         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
  35         va_end (argptr);
  36 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
  37
  38         PRVM_Crash();
  39         cl.csqc_loaded = false;
  40
  41         Cvar_SetValueQuick(&csqc_progcrc, -1);
  42         Cvar_SetValueQuick(&csqc_progsize, -1);
  43
  44 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
  45         Host_Error(va("CL_VM_Error: %s", errorstring));
  46 }
  47 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
  48 {
  49         prvm_eval_t *val;
  50         if(cl.csqc_loaded)
  51         {
  52                 CSQC_BEGIN
  53                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_take);
  54                 if(val)
  55                         val->_float = dmg_take;
  56                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_save);
  57                 if(val)
  58                         val->_float = dmg_save;
  59                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_origin);
  60                 if(val)
  61                 {
  62                         val->vector[0] = dmg_origin[0];
  63                         val->vector[1] = dmg_origin[1];
  64                         val->vector[2] = dmg_origin[2];
  65                 }
  66                 CSQC_END
  67         }
  68 }
  69 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
  70 static void CSQC_SetGlobals (void)
  71 {
  72         prvm_eval_t *val;
  73         CSQC_BEGIN
  74                 prog->globals.client->time = cl.time;
  75                 prog->globals.client->frametime = max(0, cl.time - cl.oldtime);
  76                 prog->globals.client->servercommandframe = cls.servermovesequence;
  77                 prog->globals.client->clientcommandframe = cl.movecmd[0].sequence;
  78                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
  79                 VectorCopy(cl.viewangles, cl.csqc_angles);
  80                 prog->globals.client->input_buttons = cl.movecmd[0].buttons;
  81                 VectorSet(prog->globals.client->input_movevalues, cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
  82                 //VectorCopy(cl.movement_origin, cl.csqc_origin);
  83                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, cl.csqc_origin);
  84                 if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.view_angles)))
  85                         VectorCopy(cl.viewangles, val->vector);
  86                 prog->globals.client->maxclients = cl.maxclients;
  87         CSQC_END
  88 }
  89
  90 void CSQC_Predraw (prvm_edict_t *ed)
  91 {
  92         int b;
  93         if(!ed->fields.client->predraw)
  94                 return;
  95         b = prog->globals.client->self;
  96         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
  97         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
  98         prog->globals.client->self = b;
  99 }
 100
 101 void CSQC_Think (prvm_edict_t *ed)
 102 {
 103         int b;
 104         if(ed->fields.client->think)
 105         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 106         {
 107                 ed->fields.client->nextthink = 0;
 108                 b = prog->globals.client->self;
 109                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 110                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 111                 prog->globals.client->self = b;
 112         }
 113 }
 114
 115 extern cvar_t cl_noplayershadow;
 116 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed)
 117 {
 118         int renderflags;
 119         float scale;
 120         prvm_eval_t *val;
 121         entity_t *e;
 122         model_t *model;
 123         matrix4x4_t tagmatrix, matrix2;
 124
 125         model = CL_GetModelFromEdict(ed);
 126         if (!model)
 127                 return false;
 128
 129         e = CL_NewTempEntity();
 130         if (!e)
 131                 return false;
 132
 133         e->render.model = model;
 134         e->render.colormap = (int)ed->fields.client->colormap;
 135         e->render.skinnum = (int)ed->fields.client->skin;
 136         e->render.effects |= e->render.model->effects;
 137         scale = 1;
 138         renderflags = 0;
 139         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.renderflags)) && val->_float)     renderflags = (int)val->_float;
 140         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.alpha)) && val->_float)           e->render.alpha = val->_float;
 141         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.scale)) && val->_float)           e->render.scale = scale = val->_float;
 142         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, e->render.colormod);
 143         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.effects)) && val->_float) e->render.effects |= (int)val->_float;
 144         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_entity)) && val->edict)
 145         {
 146                 int tagentity;
 147                 int tagindex = 0;
 148                 tagentity = val->edict;
 149                 if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_index)) && val->_float)
 150                         tagindex = (int)val->_float;
 151                 // FIXME: calculate tag matrix
 152                 Matrix4x4_CreateIdentity(&tagmatrix);
 153         }
 154         else
 155                 Matrix4x4_CreateIdentity(&tagmatrix);
 156
 157         if (renderflags & RF_USEAXIS)
 158         {
 159                 vec3_t left;
 160                 VectorNegate(prog->globals.client->v_right, left);
 161                 Matrix4x4_FromVectors(&matrix2, prog->globals.client->v_forward, left, prog->globals.client->v_up, ed->fields.client->origin);
 162                 Matrix4x4_Scale(&matrix2, scale, 1);
 163         }
 164         else
 165         {
 166                 vec3_t angles;
 167                 VectorCopy(ed->fields.client->angles, angles);
 168                 // if model is alias, reverse pitch direction
 169                 if (e->render.model->type == mod_alias)
 170                         angles[0] = -angles[0];
 171
 172                 // set up the render matrix
 173                 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);
 174         }
 175
 176         // set up the animation data
 177         // self.frame is the interpolation target (new frame)
 178         // self.frame1time is the animation base time for the interpolation target
 179         // self.frame2 is the interpolation start (previous frame)
 180         // self.frame2time is the animation base time for the interpolation start
 181         e->render.frame1 = e->render.frame2 = ed->fields.client->frame;
 182         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) e->render.frame2 = val->_float;
 183         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) e->render.frame2time = val->_float;
 184         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) e->render.frame1time = val->_float;
 185         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) e->render.framelerp = val->_float;
 186
 187         // concat the matrices to make the entity relative to its tag
 188         Matrix4x4_Concat(&e->render.matrix, &tagmatrix, &matrix2);
 189         // make the other useful stuff
 190         CL_UpdateRenderEntity(&e->render);
 191
 192         if(renderflags)
 193         {
 194                 if(renderflags & RF_VIEWMODEL)  e->render.flags |= RENDER_VIEWMODEL;
 195                 if(renderflags & RF_EXTERNALMODEL)e->render.flags |= RENDER_EXTERIORMODEL;
 196                 if(renderflags & RF_DEPTHHACK)  e->render.effects |= EF_NODEPTHTEST;
 197                 if(renderflags & RF_ADDITIVE)           e->render.effects |= EF_ADDITIVE;
 198         }
 199
 200         if ((e->render.colormap > 0 && e->render.colormap <= cl.maxclients) || e->render.colormap >= 1024)
 201         {
 202                 unsigned char *cbcolor;
 203                 int palcol;
 204                 if (e->render.colormap >= 1024)
 205                         palcol = (unsigned char)(e->render.colormap-1024);
 206                 else
 207                         palcol = cl.scores[e->render.colormap-1].colors;
 208
 209                 cbcolor = (unsigned char *) (&palette_pantscolormap[palcol & 0xF]);
 210                 e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f);
 211                 e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f);
 212                 e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f);
 213                 cbcolor = (unsigned char *) (&palette_shirtcolormap[(palcol & 0xF0) >> 4]);
 214                 e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f);
 215                 e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f);
 216                 e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f);
 217         }
 218
 219         // either fullbright or lit
 220         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 221                 e->render.flags |= RENDER_LIGHT;
 222         // hide player shadow during intermission or nehahra movie
 223         if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 224          &&  (e->render.alpha >= 1)
 225          && !(e->render.flags & RENDER_VIEWMODEL)
 226          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 227                 e->render.flags |= RENDER_SHADOW;
 228         if (e->render.flags & RENDER_VIEWMODEL)
 229                 e->render.flags |= RENDER_NOSELFSHADOW;
 230
 231         return true;
 232 }
 233
 234 qboolean CL_VM_InputEvent (qboolean pressed, int key)
 235 {
 236         qboolean r;
 237         if(!cl.csqc_loaded)
 238                 return false;
 239         CSQC_BEGIN
 240                 if (!prog->funcoffsets.CSQC_InputEvent)
 241                         r = false;
 242                 else
 243                 {
 244                         prog->globals.client->time = cl.time;
 245                         PRVM_G_FLOAT(OFS_PARM0) = pressed;
 246                         PRVM_G_FLOAT(OFS_PARM1) = key;
 247                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 248                         r = CSQC_RETURNVAL;
 249                 }
 250         CSQC_END
 251         return r;
 252 }
 253
 254 qboolean CL_VM_UpdateView (void)
 255 {
 256         vec3_t emptyvector;
 257         emptyvector[0] = 0;
 258         emptyvector[1] = 0;
 259         emptyvector[2] = 0;
 260 //      vec3_t oldangles;
 261         if(!cl.csqc_loaded)
 262                 return false;
 263         CSQC_BEGIN
 264                 //VectorCopy(cl.viewangles, oldangles);
 265                 prog->globals.client->time = cl.time;
 266                 CSQC_SetGlobals();
 267                 // clear renderable entity and light lists to prevent crashes if the
 268                 // CSQC_UpdateView function does not call R_ClearScene as it should
 269                 r_refdef.numentities = 0;
 270                 r_refdef.numlights = 0;
 271                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 272                 //VectorCopy(oldangles, cl.viewangles);
 273                 // Dresk : Reset Dmg Globals Here
 274                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 275         CSQC_END
 276         return true;
 277 }
 278
 279 extern sizebuf_t vm_tempstringsbuf;
 280 qboolean CL_VM_ConsoleCommand (const char *cmd)
 281 {
 282         int restorevm_tempstringsbuf_cursize;
 283         qboolean r = false;
 284         if(!cl.csqc_loaded)
 285                 return false;
 286         CSQC_BEGIN
 287         if (prog->funcoffsets.CSQC_ConsoleCommand)
 288         {
 289                 prog->globals.client->time = cl.time;
 290                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 291                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 292                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 293                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 294                 r = CSQC_RETURNVAL;
 295         }
 296         CSQC_END
 297         return r;
 298 }
 299
 300 qboolean CL_VM_Parse_TempEntity (void)
 301 {
 302         int                     t;
 303         qboolean        r = false;
 304         if(!cl.csqc_loaded)
 305                 return false;
 306         CSQC_BEGIN
 307         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 308         {
 309                 t = msg_readcount;
 310                 prog->globals.client->time = cl.time;
 311                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 312                 r = CSQC_RETURNVAL;
 313                 if(!r)
 314                 {
 315                         msg_readcount = t;
 316                         msg_badread = false;
 317                 }
 318         }
 319         CSQC_END
 320         return r;
 321 }
 322
 323 void CL_VM_Parse_StuffCmd (const char *msg)
 324 {
 325         int restorevm_tempstringsbuf_cursize;
 326         if(msg[0] == 'c')
 327         if(msg[1] == 's')
 328         if(msg[2] == 'q')
 329         if(msg[3] == 'c')
 330         {
 331                 // if this is setting a csqc variable, deprotect csqc_progcrc
 332                 // temporarily so that it can be set by the cvar command,
 333                 // and then reprotect it afterwards
 334                 int crcflags = csqc_progcrc.flags;
 335                 int sizeflags = csqc_progcrc.flags;
 336                 csqc_progcrc.flags &= ~CVAR_READONLY;
 337                 csqc_progsize.flags &= ~CVAR_READONLY;
 338                 Cmd_ExecuteString (msg, src_command);
 339                 csqc_progcrc.flags = crcflags;
 340                 csqc_progsize.flags = sizeflags;
 341                 return;
 342         }
 343         if(!cl.csqc_loaded)
 344         {
 345                 Cbuf_AddText(msg);
 346                 return;
 347         }
 348         CSQC_BEGIN
 349         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 350         {
 351                 prog->globals.client->time = cl.time;
 352                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 353                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 354                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 355                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 356         }
 357         else
 358                 Cbuf_AddText(msg);
 359         CSQC_END
 360 }
 361
 362 static void CL_VM_Parse_Print (const char *msg)
 363 {
 364         int restorevm_tempstringsbuf_cursize;
 365         prog->globals.client->time = cl.time;
 366         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 367         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 368         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 369         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 370 }
 371
 372 void CSQC_AddPrintText (const char *msg)
 373 {
 374         size_t i;
 375         if(!cl.csqc_loaded)
 376         {
 377                 Con_Print(msg);
 378                 return;
 379         }
 380         CSQC_BEGIN
 381         if(prog->funcoffsets.CSQC_Parse_Print)
 382         {
 383                 // FIXME: is this bugged?
 384                 i = strlen(msg)-1;
 385                 if(msg[i] != '\n' && msg[i] != '\r')
 386                 {
 387                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 388                         {
 389                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 390                                 cl.csqc_printtextbuf[0] = 0;
 391                         }
 392                         else
 393                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 394                         return;
 395                 }
 396                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 397                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 398                 cl.csqc_printtextbuf[0] = 0;
 399         }
 400         else
 401                 Con_Print(msg);
 402         CSQC_END
 403 }
 404
 405 void CL_VM_Parse_CenterPrint (const char *msg)
 406 {
 407         int restorevm_tempstringsbuf_cursize;
 408         if(!cl.csqc_loaded)
 409         {
 410                 SCR_CenterPrint((char*)msg);
 411                 return;
 412         }
 413         CSQC_BEGIN
 414         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 415         {
 416                 prog->globals.client->time = cl.time;
 417                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 418                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 419                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 420                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 421         }
 422         else
 423                 SCR_CenterPrint((char*)msg);
 424         CSQC_END
 425 }
 426
 427 void CL_VM_UpdateIntermissionState (int intermission)
 428 {
 429         prvm_eval_t *val;
 430         if(cl.csqc_loaded)
 431         {
 432                 CSQC_BEGIN
 433                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.intermission);
 434                 if(val)
 435                         val->_float = intermission;
 436                 CSQC_END
 437         }
 438 }
 439 void CL_VM_UpdateShowingScoresState (int showingscores)
 440 {
 441         prvm_eval_t *val;
 442         if(cl.csqc_loaded)
 443         {
 444                 CSQC_BEGIN
 445                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.sb_showscores);
 446                 if(val)
 447                         val->_float = showingscores;
 448                 CSQC_END
 449         }
 450 }
 451 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 452 {
 453         // Avoid global names for clean(er) coding
 454         int localcoop;
 455         int localdeathmatch;
 456
 457         prvm_eval_t *val;
 458         if(cl.csqc_loaded)
 459         {
 460                 if(gametype == GAME_COOP)
 461                 {
 462                         localcoop = 1;
 463                         localdeathmatch = 0;
 464                 }
 465                 else
 466                 if(gametype == GAME_DEATHMATCH)
 467                 {
 468                         localcoop = 0;
 469                         localdeathmatch = 1;
 470                 }
 471                 else
 472                 {
 473                         // How did the ServerInfo send an unknown gametype?
 474                         // Better just assign the globals as 0...
 475                         localcoop = 0;
 476                         localdeathmatch = 0;
 477                 }
 478                 CSQC_BEGIN
 479                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.coop);
 480                 if(val)
 481                         val->_float = localcoop;
 482                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.deathmatch);
 483                 if(val)
 484                         val->_float = localdeathmatch;
 485                 CSQC_END
 486         }
 487 }
 488 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 489 {
 490         float r = 0;
 491         if(!cl.csqc_loaded)
 492                 return 0;
 493         CSQC_BEGIN
 494         if(prog->funcoffsets.CSQC_Event)
 495         {
 496                 prog->globals.client->time = cl.time;
 497                 PRVM_G_FLOAT(OFS_PARM0) = event;
 498                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 499                 r = CSQC_RETURNVAL;
 500         }
 501         CSQC_END
 502         return r;
 503 }
 504
 505 void CSQC_ReadEntities (void)
 506 {
 507         unsigned short entnum, oldself, realentnum;
 508         if(!cl.csqc_loaded)
 509         {
 510                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 511                 return;
 512         }
 513
 514         CSQC_BEGIN
 515                 prog->globals.client->time = cl.time;
 516                 oldself = prog->globals.client->self;
 517                 while(1)
 518                 {
 519                         entnum = MSG_ReadShort();
 520                         if(!entnum || msg_badread)
 521                                 return;
 522                         realentnum = entnum & 0x7FFF;
 523                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 524                         if(entnum & 0x8000)
 525                         {
 526                                 if(prog->globals.client->self)
 527                                 {
 528                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 529                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 530                                 }
 531                                 else
 532                                         Con_Printf("Smth bad happens in csqc...\n");    //[515]: never happens ?
 533                         }
 534                         else
 535                         {
 536                                 if(!prog->globals.client->self)
 537                                 {
 538                                         prvm_edict_t    *ed;
 539                                         ed = PRVM_ED_Alloc();
 540                                         ed->fields.client->entnum = realentnum;
 541                                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 542                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 543                                 }
 544                                 else
 545                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 546                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 547                         }
 548                 }
 549                 prog->globals.client->self = oldself;
 550         CSQC_END
 551 }
 552
 553 void CL_VM_CB_BeginIncreaseEdicts(void)
 554 {
 555         int i;
 556         prvm_edict_t *ent;
 557
 558         // links don't survive the transition, so unlink everything
 559         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 560         {
 561                 if (!ent->priv.server->free)
 562                         World_UnlinkEdict(prog->edicts + i);
 563                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
 564         }
 565         World_Clear(&cl.world);
 566 }
 567
 568 void CL_VM_CB_EndIncreaseEdicts(void)
 569 {
 570         int i;
 571         prvm_edict_t *ent;
 572
 573         // link every entity except world
 574         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 575                 if (!ent->priv.server->free)
 576                         CL_LinkEdict(ent);
 577 }
 578
 579 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 580 {
 581         e->priv.server->move = false; // don't move on first frame
 582 }
 583
 584 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 585 {
 586         World_UnlinkEdict(ed);
 587         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 588 }
 589
 590 void CL_VM_CB_CountEdicts(void)
 591 {
 592         int             i;
 593         prvm_edict_t    *ent;
 594         int             active = 0, models = 0, solid = 0;
 595
 596         for (i=0 ; i<prog->num_edicts ; i++)
 597         {
 598                 ent = PRVM_EDICT_NUM(i);
 599                 if (ent->priv.server->free)
 600                         continue;
 601                 active++;
 602                 if (ent->fields.client->solid)
 603                         solid++;
 604                 if (ent->fields.client->model)
 605                         models++;
 606         }
 607
 608         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 609         Con_Printf("active    :%3i\n", active);
 610         Con_Printf("view      :%3i\n", models);
 611         Con_Printf("touch     :%3i\n", solid);
 612 }
 613
 614 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 615 {
 616         return true;
 617 }
 618
 619 void Cmd_ClearCsqcFuncs (void);
 620
 621 void CL_VM_Init (void)
 622 {
 623         unsigned char *csprogsdata;
 624         fs_offset_t csprogsdatasize;
 625         int csprogsdatacrc, requiredcrc;
 626         int requiredsize;
 627         prvm_eval_t *val;
 628
 629         // reset csqc_progcrc after reading it, so that changing servers doesn't
 630         // expect csqc on the next server
 631         requiredcrc = csqc_progcrc.integer;
 632         requiredsize = csqc_progsize.integer;
 633         Cvar_SetValueQuick(&csqc_progcrc, -1);
 634         Cvar_SetValueQuick(&csqc_progsize, -1);
 635
 636         // if the server is not requesting a csprogs, then we're done here
 637         if (requiredcrc < 0)
 638                 return;
 639
 640         // see if the requested csprogs.dat file matches the requested crc
 641         csprogsdatacrc = -1;
 642         csprogsdata = FS_LoadFile(va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc), tempmempool, true, &csprogsdatasize);
 643         if (!csprogsdata)
 644                 csprogsdata = FS_LoadFile(csqc_progname.string, tempmempool, true, &csprogsdatasize);
 645         if (csprogsdata)
 646         {
 647                 csprogsdatacrc = CRC_Block(csprogsdata, csprogsdatasize);
 648                 Mem_Free(csprogsdata);
 649                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 650                 {
 651                         if (cls.demoplayback)
 652                         {
 653                                 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);
 654                                 return;
 655                         }
 656                         else
 657                         {
 658                                 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);
 659                                 CL_Disconnect();
 660                                 return;
 661                         }
 662                 }
 663         }
 664         else
 665         {
 666                 if (requiredcrc >= 0)
 667                 {
 668                         if (cls.demoplayback)
 669                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 670                         else
 671                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 672                         CL_Disconnect();
 673                 }
 674                 return;
 675         }
 676
 677         PRVM_Begin;
 678         PRVM_InitProg(PRVM_CLIENTPROG);
 679
 680         // allocate the mempools
 681         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 682         prog->headercrc = CL_PROGHEADER_CRC;
 683         prog->edictprivate_size = 0; // no private struct used
 684         prog->name = CL_NAME;
 685         prog->num_edicts = 1;
 686         prog->max_edicts = 512;
 687         prog->limit_edicts = CL_MAX_EDICTS;
 688         prog->reserved_edicts = 0;
 689         prog->edictprivate_size = sizeof(edict_engineprivate_t);
 690         prog->extensionstring = vm_sv_extensions;
 691         prog->builtins = vm_cl_builtins;
 692         prog->numbuiltins = vm_cl_numbuiltins;
 693         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
 694         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
 695         prog->init_edict = CL_VM_CB_InitEdict;
 696         prog->free_edict = CL_VM_CB_FreeEdict;
 697         prog->count_edicts = CL_VM_CB_CountEdicts;
 698         prog->load_edict = CL_VM_CB_LoadEdict;
 699         prog->init_cmd = VM_CL_Cmd_Init;
 700         prog->reset_cmd = VM_CL_Cmd_Reset;
 701         prog->error_cmd = CL_VM_Error;
 702
 703         PRVM_LoadProgs(csqc_progname.string, cl_numrequiredfunc, cl_required_func, 0, NULL, 0, NULL);
 704
 705         if (!prog->loaded)
 706         {
 707                 CL_VM_Error("CSQC ^2failed to load\n");
 708                 if(!sv.active)
 709                         CL_Disconnect();
 710                 return;
 711         }
 712
 713         Con_Printf("CSQC ^5loaded (crc=%i, size=%i)\n", csprogsdatacrc, (int)csprogsdatasize);
 714
 715         // check if OP_STATE animation is possible in this dat file
 716         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
 717                 prog->flag |= PRVM_OP_STATE;
 718
 719         // set time
 720         prog->globals.client->time = cl.time;
 721
 722         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldmodel->name);
 723         prog->globals.client->player_localentnum = cl.playerentity;
 724
 725         // set map description (use world entity 0)
 726         val = PRVM_EDICTFIELDVALUE(prog->edicts, prog->fieldoffsets.message);
 727         if(val)
 728                 val->string = PRVM_SetEngineString(cl.levelname);
 729
 730         // call the prog init
 731         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
 732
 733         PRVM_End;
 734         cl.csqc_loaded = true;
 735
 736         cl.csqc_vidvars.drawcrosshair = false;
 737         cl.csqc_vidvars.drawenginesbar = false;
 738
 739         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
 740         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
 741 }
 742
 743 void CL_VM_ShutDown (void)
 744 {
 745         Cmd_ClearCsqcFuncs();
 746         Cvar_SetValueQuick(&csqc_progcrc, -1);
 747         Cvar_SetValueQuick(&csqc_progsize, -1);
 748         if(!cl.csqc_loaded)
 749                 return;
 750         CSQC_BEGIN
 751                 prog->globals.client->time = cl.time;
 752                 if (prog->funcoffsets.CSQC_Shutdown)
 753                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
 754                 PRVM_ResetProg();
 755         CSQC_END
 756         Con_Print("CSQC ^1unloaded\n");
 757         cl.csqc_loaded = false;
 758 }