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