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