csprogs.c

   1 #include "quakedef.h"
   2 #include "progsvm.h"
   3 #include "clprogdefs.h"
   4 #include "csprogs.h"
   5
   6 //============================================================================
   7 // Client prog handling
   8 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
   9
  10 #define CSQC_RETURNVAL  prog->globals.generic[OFS_RETURN]
  11 #define CSQC_BEGIN              csqc_tmpprog=prog;prog=0;PRVM_SetProg(PRVM_CLIENTPROG);
  12 #define CSQC_END                prog=csqc_tmpprog;
  13 static prvm_prog_t *csqc_tmpprog;
  14
  15 //[515]: these are required funcs
  16 #define CL_F_INIT                               "CSQC_Init"
  17 #define CL_F_INPUTEVENT                 "CSQC_InputEvent"
  18 #define CL_F_UPDATEVIEW                 "CSQC_UpdateView"
  19 #define CL_F_CONSOLECOMMAND             "CSQC_ConsoleCommand"
  20 #define CL_F_SHUTDOWN                   "CSQC_Shutdown"
  21
  22 //[515]: these are optional
  23 #define CL_F_PARSE_TEMPENTITY   "CSQC_Parse_TempEntity" //[515]: very helpfull when you want to create your own particles/decals/etc for effects that allready exist
  24 #define CL_F_PARSE_STUFFCMD             "CSQC_Parse_StuffCmd"
  25 #define CL_F_PARSE_PRINT                "CSQC_Parse_Print"
  26 #define CL_F_PARSE_CENTERPRINT  "CSQC_Parse_CenterPrint"
  27 #define CL_F_ENT_UPDATE                 "CSQC_Ent_Update"
  28 #define CL_F_ENT_REMOVE                 "CSQC_Ent_Remove"
  29 #define CL_F_EVENT                              "CSQC_Event"    //[515]: engine call this for its own needs
  30                                                                                                 //so csqc can do some things according to what engine it's running on
  31                                                                                                 //example: to say about edicts increase, whatever...
  32
  33 #define CSQC_PRINTBUFFERLEN             8192    //[515]: enough ?
  34
  35 static char *cl_required_func[] =
  36 {
  37         CL_F_INIT,
  38         CL_F_INPUTEVENT,
  39         CL_F_UPDATEVIEW,
  40         CL_F_CONSOLECOMMAND,
  41         CL_F_SHUTDOWN
  42 };
  43
  44 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  45
  46 unsigned int                    csqc_drawmask = 0;
  47 static char                             *csqc_printtextbuf = NULL;
  48 static unsigned short   *csqc_sv2csqcents;      //[515]: server entities numbers on client side. FIXME : make pointers instead of numbers ?
  49
  50 static mfunction_t      *CSQC_Parse_TempEntity;
  51 static mfunction_t      *CSQC_Parse_StuffCmd;
  52 static mfunction_t      *CSQC_Parse_Print;
  53 static mfunction_t      *CSQC_Parse_CenterPrint;
  54 static mfunction_t      *CSQC_Ent_Update;
  55 static mfunction_t      *CSQC_Ent_Remove;
  56 static mfunction_t      *CSQC_Event;
  57
  58 static int csqc_fieldoff_alpha;
  59 static int csqc_fieldoff_colormod;
  60 static int csqc_fieldoff_effects;
  61 int csqc_fieldoff_scale;
  62 int csqc_fieldoff_renderflags;
  63 int csqc_fieldoff_tag_entity;
  64 int csqc_fieldoff_tag_index;
  65 int csqc_fieldoff_dphitcontentsmask;
  66
  67 qboolean csqc_loaded = false;
  68
  69 vec3_t csqc_origin, csqc_angles;
  70 static double csqc_frametime = 0;
  71 int csqc_buttons;
  72
  73 static mempool_t *csqc_mempool;
  74
  75 static void CL_VM_FindEdictFieldOffsets (void)
  76 {
  77         csqc_fieldoff_alpha                     = PRVM_ED_FindFieldOffset("alpha");
  78         csqc_fieldoff_scale                     = PRVM_ED_FindFieldOffset("scale");
  79         csqc_fieldoff_colormod          = PRVM_ED_FindFieldOffset("colormod");
  80         csqc_fieldoff_renderflags       = PRVM_ED_FindFieldOffset("renderflags");
  81         csqc_fieldoff_effects           = PRVM_ED_FindFieldOffset("effects");
  82         csqc_fieldoff_tag_entity        = PRVM_ED_FindFieldOffset("tag_entity");
  83         csqc_fieldoff_tag_index         = PRVM_ED_FindFieldOffset("tag_index");
  84
  85         CSQC_Parse_TempEntity           = PRVM_ED_FindFunction (CL_F_PARSE_TEMPENTITY);
  86         CSQC_Parse_StuffCmd                     = PRVM_ED_FindFunction (CL_F_PARSE_STUFFCMD);
  87         CSQC_Parse_Print                        = PRVM_ED_FindFunction (CL_F_PARSE_PRINT);
  88         CSQC_Parse_CenterPrint          = PRVM_ED_FindFunction (CL_F_PARSE_CENTERPRINT);
  89         CSQC_Ent_Update                         = PRVM_ED_FindFunction (CL_F_ENT_UPDATE);
  90         CSQC_Ent_Remove                         = PRVM_ED_FindFunction (CL_F_ENT_REMOVE);
  91         CSQC_Event                                      = PRVM_ED_FindFunction (CL_F_EVENT);
  92
  93         if(CSQC_Parse_Print)
  94         {
  95                 csqc_printtextbuf = Mem_Alloc(csqc_mempool, CSQC_PRINTBUFFERLEN);
  96                 csqc_printtextbuf[0] = 0;
  97         }
  98 }
  99
 100 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
 101 {
 102         char errorstring[4096];
 103         va_list argptr;
 104
 105         va_start (argptr, format);
 106         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
 107         va_end (argptr);
 108 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
 109
 110         PRVM_Crash();
 111         csqc_loaded = false;
 112         Mem_FreePool(&csqc_mempool);
 113
 114         Cvar_SetValueQuick(&csqc_progcrc, 0);
 115
 116 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
 117         Host_Error(va("CL_VM_Error: %s", errorstring));
 118 }
 119
 120 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
 121 static void CSQC_SetGlobals (void)
 122 {
 123         //extern cvar_t sv_accelerate, sv_friction, sv_gravity, sv_stopspeed, sv_maxspeed;
 124
 125         CSQC_BEGIN
 126                 *prog->time = cl.time;
 127                 prog->globals.client->frametime = cl.time - csqc_frametime;
 128                 csqc_frametime = cl.time;
 129                 prog->globals.client->servercommandframe = cl.servermovesequence;
 130                 prog->globals.client->clientcommandframe = cl.movemessages;
 131                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
 132                 VectorCopy(cl.viewangles, csqc_angles);
 133                 prog->globals.client->input_buttons = csqc_buttons;
 134                 VectorSet(prog->globals.client->input_movevalues, cl.cmd.forwardmove, cl.cmd.sidemove, cl.cmd.upmove);
 135                 //VectorCopy(cl.movement_origin, csqc_origin);
 136                 VectorCopy(cl.entities[cl.viewentity].render.origin, csqc_origin);
 137                 VectorCopy(csqc_origin, prog->globals.client->pmove_org);
 138                 prog->globals.client->maxclients = cl.maxclients;
 139                 //VectorCopy(cl.movement_velocity, prog->globals.client->pmove_vel);
 140                 VectorCopy(cl.velocity, prog->globals.client->pmove_vel);
 141         CSQC_END
 142 }
 143
 144 static void CSQC_Predraw (prvm_edict_t *ed)
 145 {
 146         int b;
 147         if(!ed->fields.client->predraw)
 148                 return;
 149         b = prog->globals.client->self;
 150         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 151         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
 152         prog->globals.client->self = b;
 153 }
 154
 155 static void CSQC_Think (prvm_edict_t *ed)
 156 {
 157         int b;
 158         if(ed->fields.client->think)
 159         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= *prog->time)
 160         {
 161                 ed->fields.client->nextthink = 0;
 162                 b = prog->globals.client->self;
 163                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 164                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 165                 prog->globals.client->self = b;
 166         }
 167 }
 168
 169 //[515]: weird too
 170 static qboolean CSQC_EdictToEntity (prvm_edict_t *ed, entity_t *e)
 171 {
 172         int i;
 173         prvm_eval_t *val;
 174
 175         i = ed->fields.client->modelindex;
 176         e->state_current.modelindex = 0;
 177         if(i >= MAX_MODELS || i <= -MAX_MODELS) //[515]: make work as error ?
 178         {
 179                 Con_Print("CSQC_EdictToEntity: modelindex >= MAX_MODELS\n");
 180                 ed->fields.client->modelindex = 0;
 181         }
 182         else
 183                 e->state_current.modelindex = i;
 184         if(!e->state_current.modelindex)
 185                 return false;
 186
 187         e->state_current.time = cl.time;
 188
 189         i = 0;
 190         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_renderflags)) && val->_float)
 191         {
 192                 i = val->_float;
 193                 if(i & RF_VIEWMODEL)    e->state_current.flags |= RENDER_VIEWMODEL;
 194                 if(i & RF_EXTERNALMODEL)e->state_current.flags |= RENDER_EXTERIORMODEL;
 195                 if(i & RF_DEPTHHACK)    e->state_current.effects |= EF_NODEPTHTEST;
 196                 if(i & RF_ADDITIVE)             e->state_current.effects |= EF_ADDITIVE;
 197         }
 198
 199         if(i & RF_USEAXIS)      //FIXME!!!
 200                 VectorCopy(ed->fields.client->angles, e->persistent.newangles);
 201         else
 202                 VectorCopy(ed->fields.client->angles, e->persistent.newangles);
 203
 204         VectorCopy(ed->fields.client->origin, e->persistent.neworigin);
 205         VectorCopy(ed->fields.client->origin, e->state_current.origin);
 206         e->state_current.colormap = ed->fields.client->colormap;
 207         e->state_current.effects = ed->fields.client->effects;
 208         e->state_current.frame = ed->fields.client->frame;
 209         e->state_current.skin = ed->fields.client->skin;
 210
 211         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_alpha)) && val->_float)             e->state_current.alpha = val->_float*255;
 212         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_scale)) && val->_float)             e->state_current.scale = val->_float*16;
 213         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_colormod)) && VectorLength2(val->vector))   VectorScale(val->vector, 32, e->state_current.colormod);
 214         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_effects)) && val->_float)   e->state_current.effects = val->_float;
 215         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_tag_entity)) && val->edict)
 216         {
 217                 e->state_current.tagentity = val->edict;
 218                 if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_tag_index)) && val->_float)
 219                         e->state_current.tagindex = val->_float;
 220         }
 221
 222         return true;
 223 }
 224
 225 void CSQC_ClearCSQCEntities (void)
 226 {
 227         memset(cl.csqcentities_active, 0, sizeof(cl.csqcentities_active));
 228         cl.num_csqcentities = 0;
 229         csqc_drawmask = 0;
 230 }
 231
 232 void CL_ExpandCSQCEntities (int num);
 233
 234 void CSQC_RelinkCSQCEntities (void)
 235 {
 236         int                     i;
 237         entity_t        *e;
 238         prvm_edict_t *ed;
 239
 240         *prog->time = cl.time;
 241         for(i=1;i<prog->num_edicts;i++)
 242         {
 243                 if(i >= cl.max_csqcentities)
 244                         CL_ExpandCSQCEntities(i);
 245
 246                 e = &cl.csqcentities[i];
 247                 ed = &prog->edicts[i];
 248                 if(ed->priv.required->free)
 249                 {
 250                         e->state_current.active = false;
 251                         cl.csqcentities_active[i] = false;
 252                         continue;
 253                 }
 254                 VectorAdd(ed->fields.client->origin, ed->fields.client->mins, ed->fields.client->absmin);
 255                 VectorAdd(ed->fields.client->origin, ed->fields.client->maxs, ed->fields.client->absmax);
 256                 CSQC_Think(ed);
 257                 if(ed->priv.required->free)
 258                 {
 259                         e->state_current.active = false;
 260                         cl.csqcentities_active[i] = false;
 261                         continue;
 262                 }
 263                 CSQC_Predraw(ed);
 264                 if(ed->priv.required->free)
 265                 {
 266                         e->state_current.active = false;
 267                         cl.csqcentities_active[i] = false;
 268                         continue;
 269                 }
 270                 if(!cl.csqcentities_active[i])
 271                 if(!((int)ed->fields.client->drawmask & csqc_drawmask))
 272                         continue;
 273
 274                 e->state_previous       = e->state_current;
 275                 e->state_current        = defaultstate;
 276                 if((cl.csqcentities_active[i] = CSQC_EdictToEntity(ed, e)))
 277                 {
 278                         if(!e->state_current.active)
 279                         {
 280                                 if(!e->state_previous.active)
 281                                         VectorCopy(ed->fields.client->origin, e->persistent.trail_origin);//[515]: hack to make good gibs =/
 282                                 e->state_previous = e->state_current;
 283                                 e->state_current.active = true;
 284                         }
 285                         e->persistent.lerpdeltatime = 0;//prog->globals.client->frametime;
 286                         cl.num_csqcentities++;
 287                 }
 288         }
 289 }
 290
 291 //[515]: omfg... it's all weird =/
 292 void CSQC_AddEntity (int n)
 293 {
 294         cl.csqcentities_active[n] = true;
 295 }
 296
 297 qboolean CL_VM_InputEvent (qboolean pressed, int key)
 298 {
 299         qboolean r;
 300         if(!csqc_loaded)
 301                 return false;
 302         CSQC_BEGIN
 303                 *prog->time = cl.time;
 304                 PRVM_G_FLOAT(OFS_PARM0) = pressed;
 305                 PRVM_G_FLOAT(OFS_PARM1) = key;
 306                 PRVM_ExecuteProgram (prog->globals.client->CSQC_InputEvent, CL_F_INPUTEVENT);
 307                 r = CSQC_RETURNVAL;
 308         CSQC_END
 309         return r;
 310 }
 311
 312 qboolean CL_VM_UpdateView (void)
 313 {
 314 //      vec3_t oldangles;
 315         if(!csqc_loaded)
 316                 return false;
 317         CSQC_BEGIN
 318                 //VectorCopy(cl.viewangles, oldangles);
 319                 *prog->time = cl.time;
 320                 CSQC_SetGlobals();
 321                 csqc_drawmask = 0;
 322                 cl.num_csqcentities = 0;
 323                 PRVM_ExecuteProgram (prog->globals.client->CSQC_UpdateView, CL_F_UPDATEVIEW);
 324                 //VectorCopy(oldangles, cl.viewangles);
 325         CSQC_END
 326         csqc_frame = false;
 327         return true;
 328 }
 329
 330 qboolean CL_VM_ConsoleCommand (const char *cmd)
 331 {
 332         qboolean r;
 333         if(!csqc_loaded)
 334                 return false;
 335         CSQC_BEGIN
 336                 *prog->time = cl.time;
 337                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(cmd);
 338                 PRVM_ExecuteProgram (prog->globals.client->CSQC_ConsoleCommand, CL_F_CONSOLECOMMAND);
 339                 r = CSQC_RETURNVAL;
 340         CSQC_END
 341         return r;
 342 }
 343
 344 qboolean CL_VM_Parse_TempEntity (void)
 345 {
 346         int                     t;
 347         qboolean        r;
 348         if(!csqc_loaded || !CSQC_Parse_TempEntity)
 349                 return false;
 350         t = msg_readcount;
 351         CSQC_BEGIN
 352                 *prog->time = cl.time;
 353                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_TempEntity - prog->functions), CL_F_PARSE_TEMPENTITY);
 354                 r = CSQC_RETURNVAL;
 355         CSQC_END
 356         if(!r)
 357         {
 358                 msg_readcount = t;
 359                 msg_badread = false;
 360         }
 361         return r;
 362 }
 363
 364 void CL_VM_Parse_StuffCmd (const char *msg)
 365 {
 366         if(!csqc_loaded)        //[515]: add more here
 367         if(msg[0] == 'c')
 368         if(msg[1] == 's')
 369         if(msg[2] == 'q')
 370         if(msg[3] == 'c')
 371         {
 372                 Cvar_SetQuick(&csqc_progcrc, "0");
 373                 csqc_progcrc.flags = 0;
 374                 Cmd_ExecuteString (msg, src_command);
 375                 csqc_progcrc.flags = CVAR_READONLY;
 376                 return;
 377         }
 378         if(!csqc_loaded || !CSQC_Parse_StuffCmd)
 379         {
 380                 Cbuf_AddText(msg);
 381                 return;
 382         }
 383         CSQC_BEGIN
 384                 *prog->time = cl.time;
 385                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(msg);
 386                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_StuffCmd - prog->functions), CL_F_PARSE_STUFFCMD);
 387         CSQC_END
 388 }
 389
 390 static void CL_VM_Parse_Print (const char *msg)
 391 {
 392         CSQC_BEGIN
 393                 *prog->time = cl.time;
 394                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(msg);
 395                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_Print - prog->functions), CL_F_PARSE_PRINT);
 396         CSQC_END
 397 }
 398
 399 void CSQC_AddPrintText (const char *msg)
 400 {
 401         size_t i;
 402         if(!csqc_loaded || !CSQC_Parse_Print)
 403         {
 404                 Con_Print(msg);
 405                 return;
 406         }
 407         i = strlen(msg)-1;
 408         if(msg[i] != '\n' && msg[i] != '\r')
 409         {
 410                 if(strlen(csqc_printtextbuf)+i >= CSQC_PRINTBUFFERLEN)
 411                 {
 412                         CL_VM_Parse_Print(csqc_printtextbuf);
 413                         csqc_printtextbuf[0] = 0;
 414                 }
 415                 else
 416                         strcat(csqc_printtextbuf, msg);
 417                 return;
 418         }
 419         strcat(csqc_printtextbuf, msg);
 420         CL_VM_Parse_Print(csqc_printtextbuf);
 421         csqc_printtextbuf[0] = 0;
 422 }
 423
 424 void CL_VM_Parse_CenterPrint (const char *msg)
 425 {
 426         if(!csqc_loaded || !CSQC_Parse_CenterPrint)
 427         {
 428                 SCR_CenterPrint((char*)msg);
 429                 return;
 430         }
 431         CSQC_BEGIN
 432                 *prog->time = cl.time;
 433                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(msg);
 434                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_CenterPrint - prog->functions), CL_F_PARSE_CENTERPRINT);
 435         CSQC_END
 436 }
 437
 438 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 439 {
 440         float r;
 441         if(!csqc_loaded || !CSQC_Event)
 442                 return 0;
 443         CSQC_BEGIN
 444                 *prog->time = cl.time;
 445                 PRVM_G_FLOAT(OFS_PARM0) = event;
 446                 PRVM_ExecuteProgram ((func_t)(CSQC_Event - prog->functions), CL_F_EVENT);
 447                 r = CSQC_RETURNVAL;
 448         CSQC_END
 449         return r;
 450 }
 451
 452 void CSQC_ReadEntities (void)
 453 {
 454         unsigned short entnum, oldself, realentnum;
 455         CSQC_BEGIN
 456                 *prog->time = cl.time;
 457                 oldself = prog->globals.client->self;
 458                 while(1)
 459                 {
 460                         entnum = MSG_ReadShort();
 461                         if(!entnum)
 462                                 return;
 463                         realentnum = entnum & 0x7FFF;
 464                         prog->globals.client->self = csqc_sv2csqcents[realentnum];
 465                         if(entnum & 0x8000)
 466                         {
 467                                 if(prog->globals.client->self)
 468                                 {
 469                                         PRVM_ExecuteProgram((func_t)(CSQC_Ent_Remove - prog->functions), CL_F_ENT_REMOVE);
 470                                         csqc_sv2csqcents[realentnum] = 0;
 471                                 }
 472                                 else
 473                                         Con_Printf("Smth bad happens in csqc...\n");    //[515]: never happens ?
 474                         }
 475                         else
 476                         {
 477                                 if(!prog->globals.client->self)
 478                                 {
 479                                         prvm_edict_t    *ed;
 480                                         ed = PRVM_ED_Alloc();
 481                                         ed->fields.client->entnum = realentnum;
 482                                         prog->globals.client->self = csqc_sv2csqcents[realentnum] = PRVM_EDICT_TO_PROG(ed);
 483                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 484                                 }
 485                                 else
 486                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 487                                 PRVM_ExecuteProgram((func_t)(CSQC_Ent_Update - prog->functions), CL_F_ENT_UPDATE);
 488                         }
 489                 }
 490                 prog->globals.client->self = oldself;
 491         CSQC_END
 492 }
 493
 494 void Cmd_ClearCsqcFuncs (void);
 495
 496 void CL_VM_Init (void)
 497 {
 498         entity_t *ent;
 499
 500         csqc_loaded = false;
 501         memset(cl.csqc_model_precache, 0, sizeof(cl.csqc_model_precache));
 502         memset(&cl.csqc_vidvars, true, sizeof(csqc_vidvars_t));
 503
 504         if(!FS_FileExists(csqc_progname.string))
 505         {
 506                 if(!sv.active && csqc_progcrc.integer)
 507                 {
 508                         Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 509                         CL_Disconnect();
 510                 }
 511                 return;
 512         }
 513         else
 514                 if(!sv.active && !csqc_progcrc.integer) //[515]: because cheaters may use csqc while server didn't allowed it !
 515                 {
 516                         Con_Printf("CL_VM_Init: server didn't sent CSQC crc, so CSQC is disabled\n");
 517                         return;
 518                 }
 519
 520         PRVM_Begin;
 521         PRVM_InitProg(PRVM_CLIENTPROG);
 522
 523         // allocate the mempools
 524         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 525         prog->headercrc = CL_PROGHEADER_CRC;
 526         prog->edictprivate_size = 0; // no private struct used
 527         prog->name = csqc_progname.string;
 528         prog->num_edicts = 1;
 529         prog->limit_edicts = CL_MAX_EDICTS;
 530         prog->extensionstring = vm_cl_extensions;
 531         prog->builtins = vm_cl_builtins;
 532         prog->numbuiltins = vm_cl_numbuiltins;
 533         prog->init_cmd = VM_CL_Cmd_Init;
 534         prog->reset_cmd = VM_CL_Cmd_Reset;
 535         prog->error_cmd = CL_VM_Error;
 536
 537         PRVM_LoadProgs(csqc_progname.string, cl_numrequiredfunc, cl_required_func, 0, NULL);
 538
 539         if(!sv.active && !cls.demoplayback && prog->filecrc != (unsigned short)csqc_progcrc.integer)
 540         {
 541                 Con_Printf("^1Your CSQC version differs from server's one (%i!=%i)\n", prog->filecrc, csqc_progcrc.integer);
 542                 PRVM_ResetProg();
 543                 CL_Disconnect();
 544                 return;
 545         }
 546
 547         if(prog->loaded)
 548         {
 549                 Cvar_SetValueQuick(&csqc_progcrc, prog->filecrc);
 550                 Con_Printf("CSQC ^5loaded (crc=%i)\n", csqc_progcrc.integer);
 551         }
 552         else
 553         {
 554                 CL_VM_Error("CSQC ^2failed to load\n");
 555                 if(!sv.active)
 556                         CL_Disconnect();
 557                 return;
 558         }
 559
 560         csqc_mempool = Mem_AllocPool("CSQC", 0, NULL);
 561
 562         //[515]: optional fields & funcs
 563         CL_VM_FindEdictFieldOffsets();
 564
 565         // set time
 566         *prog->time = cl.time;
 567         csqc_frametime = 0;
 568
 569         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldmodel->name);
 570         prog->globals.client->player_localentnum = cl.playerentity;
 571
 572         // call the prog init
 573         PRVM_ExecuteProgram((func_t) (PRVM_ED_FindFunction(CL_F_INIT) - prog->functions), CL_F_INIT);
 574
 575         PRVM_End;
 576         csqc_loaded = true;
 577
 578         csqc_sv2csqcents = Mem_Alloc(csqc_mempool, MAX_EDICTS*sizeof(unsigned short));
 579         memset(csqc_sv2csqcents, 0, MAX_EDICTS*sizeof(unsigned short));
 580
 581         cl.csqc_vidvars.drawcrosshair = false;
 582         cl.csqc_vidvars.drawenginesbar = false;
 583
 584         // local state
 585         ent = &cl.csqcentities[0];
 586         // entire entity array was cleared, so just fill in a few fields
 587         ent->state_current.active = true;
 588         ent->render.model = cl.worldmodel = cl.model_precache[1];
 589         ent->render.scale = 1; // some of the renderer still relies on scale
 590         ent->render.alpha = 1;
 591         ent->render.flags = RENDER_SHADOW | RENDER_LIGHT;
 592         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, 0, 0, 0, 0, 0, 0, 1);
 593         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
 594         CL_BoundingBoxForEntity(&ent->render);
 595 }
 596
 597 void CL_VM_ShutDown (void)
 598 {
 599         Cmd_ClearCsqcFuncs();
 600         Cvar_SetValueQuick(&csqc_progcrc, 0);
 601         if(!csqc_loaded)
 602                 return;
 603         CSQC_BEGIN
 604                 *prog->time = cl.time;
 605                 PRVM_ExecuteProgram((func_t) (PRVM_ED_FindFunction(CL_F_SHUTDOWN) - prog->functions), CL_F_SHUTDOWN);
 606                 PRVM_ResetProg();
 607         CSQC_END
 608         Con_Print("CSQC ^1unloaded\n");
 609         csqc_loaded = false;
 610         Mem_FreePool(&csqc_mempool);
 611 }