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