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