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 static char                             *csqc_printtextbuf = NULL;
  47 static unsigned short   *csqc_sv2csqcents;      //[515]: server entities numbers on client side. FIXME : make pointers instead of numbers ?
  48
  49 static mfunction_t      *CSQC_Parse_TempEntity;
  50 static mfunction_t      *CSQC_Parse_StuffCmd;
  51 static mfunction_t      *CSQC_Parse_Print;
  52 static mfunction_t      *CSQC_Parse_CenterPrint;
  53 static mfunction_t      *CSQC_Ent_Update;
  54 static mfunction_t      *CSQC_Ent_Remove;
  55 static mfunction_t      *CSQC_Event;
  56
  57 static int csqc_fieldoff_alpha;
  58 static int csqc_fieldoff_colormod;
  59 static int csqc_fieldoff_effects;
  60 int csqc_fieldoff_scale;
  61 int csqc_fieldoff_renderflags;
  62 int csqc_fieldoff_tag_entity;
  63 int csqc_fieldoff_tag_index;
  64 int csqc_fieldoff_dphitcontentsmask;
  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 = (char *)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                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, 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 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 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 extern cvar_t cl_noplayershadow;
 169 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed)
 170 {
 171         int i;
 172         prvm_eval_t *val;
 173         entity_t *e;
 174         matrix4x4_t tagmatrix, matrix2;
 175
 176         e = CL_NewTempEntity();
 177         if (!e)
 178                 return false;
 179
 180         i = (int)ed->fields.client->modelindex;
 181         if(i >= MAX_MODELS || i <= -MAX_MODELS) //[515]: make work as error ?
 182         {
 183                 Con_Print("CSQC_AddRenderEdict: modelindex >= MAX_MODELS\n");
 184                 ed->fields.client->modelindex = i = 0;
 185         }
 186
 187         // model setup and some modelflags
 188         if (i < MAX_MODELS)
 189                 e->render.model = cl.model_precache[e->state_current.modelindex];
 190         else
 191                 e->render.model = cl.csqc_model_precache[65536-e->state_current.modelindex];
 192
 193         if (!e->render.model)
 194                 return false;
 195
 196         e->render.colormap = (int)ed->fields.client->colormap;
 197         e->render.frame = (int)ed->fields.client->frame;
 198         e->render.skinnum = (int)ed->fields.client->skin;
 199         e->render.effects |= e->render.model->flags2 & (EF_FULLBRIGHT | EF_ADDITIVE);
 200
 201         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_alpha)) && val->_float)             e->render.alpha = val->_float;
 202         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_scale)) && val->_float)             e->render.scale = val->_float;
 203         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_colormod)) && VectorLength2(val->vector))   VectorCopy(val->vector, e->render.colormod);
 204         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_effects)) && val->_float)   e->render.effects = (int)val->_float;
 205         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_tag_entity)) && val->edict)
 206         {
 207                 int tagentity;
 208                 int tagindex;
 209                 tagentity = val->edict;
 210                 if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_tag_index)) && val->_float)
 211                         tagindex = (int)val->_float;
 212                 // FIXME: calculate tag matrix
 213                 Matrix4x4_CreateIdentity(&tagmatrix);
 214         }
 215         else
 216                 Matrix4x4_CreateIdentity(&tagmatrix);
 217
 218         if(i & RF_USEAXIS)      //FIXME!!!
 219         {
 220                 vec3_t left;
 221                 VectorNegate(prog->globals.client->v_right, left);
 222                 Matrix4x4_FromVectors(&matrix2, prog->globals.client->v_forward, left, prog->globals.client->v_up, ed->fields.client->origin);
 223         }
 224         else
 225         {
 226                 vec3_t angles;
 227                 VectorCopy(ed->fields.client->angles, angles);
 228                 // if model is alias, reverse pitch direction
 229                 if (e->render.model->type == mod_alias)
 230                         angles[0] = -angles[0];
 231
 232                 // set up the render matrix
 233                 // FIXME: e->render.scale should go away
 234                 Matrix4x4_CreateFromQuakeEntity(&matrix2, ed->fields.client->origin[0], ed->fields.client->origin[1], ed->fields.client->origin[2], angles[0], angles[1], angles[2], e->render.scale);
 235         }
 236
 237         // FIXME: csqc has frame1/frame2/frame1time/frame2time/lerpfrac but this implementation's cl_entvars_t lacks those fields
 238         e->render.frame1 = e->render.frame = ed->fields.client->frame;
 239         e->render.frame1time = e->render.frame2time = 0;
 240         e->render.framelerp = 0;
 241
 242         // concat the matrices to make the entity relative to its tag
 243         Matrix4x4_Concat(&e->render.matrix, &tagmatrix, &matrix2);
 244         // make the other useful stuff
 245         CL_UpdateRenderEntity(&e->render);
 246
 247         i = 0;
 248         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_renderflags)) && val->_float)
 249         {
 250                 i = (int)val->_float;
 251                 if(i & RF_VIEWMODEL)    e->render.flags |= RENDER_VIEWMODEL;
 252                 if(i & RF_EXTERNALMODEL)e->render.flags |= RENDER_EXTERIORMODEL;
 253                 if(i & RF_DEPTHHACK)    e->render.effects |= EF_NODEPTHTEST;
 254                 if(i & RF_ADDITIVE)             e->render.effects |= EF_ADDITIVE;
 255         }
 256
 257         // transparent stuff can't be lit during the opaque stage
 258         if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
 259                 e->render.flags |= RENDER_TRANSPARENT;
 260         // double sided rendering mode causes backfaces to be visible
 261         // (mostly useful on transparent stuff)
 262         if (e->render.effects & EF_DOUBLESIDED)
 263                 e->render.flags |= RENDER_NOCULLFACE;
 264         // either fullbright or lit
 265         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 266                 e->render.flags |= RENDER_LIGHT;
 267         // hide player shadow during intermission or nehahra movie
 268         if (!(e->render.effects & EF_NOSHADOW)
 269          && !(e->render.flags & (RENDER_VIEWMODEL | RENDER_TRANSPARENT))
 270          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 271                 e->render.flags |= RENDER_SHADOW;
 272
 273         return true;
 274 }
 275
 276 void CSQC_ClearCSQCEntities (void)
 277 {
 278         memset(cl.csqcentities_active, 0, sizeof(cl.csqcentities_active));
 279         cl.num_csqcentities = 0;
 280 }
 281
 282 void CL_ExpandCSQCEntities (int num);
 283
 284 qboolean CL_VM_InputEvent (qboolean pressed, int key)
 285 {
 286         qboolean r;
 287         if(!csqc_loaded)
 288                 return false;
 289         CSQC_BEGIN
 290                 *prog->time = cl.time;
 291                 PRVM_G_FLOAT(OFS_PARM0) = pressed;
 292                 PRVM_G_FLOAT(OFS_PARM1) = key;
 293                 PRVM_ExecuteProgram (prog->globals.client->CSQC_InputEvent, CL_F_INPUTEVENT);
 294                 r = CSQC_RETURNVAL;
 295         CSQC_END
 296         return r;
 297 }
 298
 299 qboolean CL_VM_UpdateView (void)
 300 {
 301 //      vec3_t oldangles;
 302         if(!csqc_loaded)
 303                 return false;
 304         CSQC_BEGIN
 305                 //VectorCopy(cl.viewangles, oldangles);
 306                 *prog->time = cl.time;
 307                 CSQC_SetGlobals();
 308                 cl.num_csqcentities = 0;
 309                 PRVM_ExecuteProgram (prog->globals.client->CSQC_UpdateView, CL_F_UPDATEVIEW);
 310                 //VectorCopy(oldangles, cl.viewangles);
 311         CSQC_END
 312         csqc_frame = false;
 313         return true;
 314 }
 315
 316 qboolean CL_VM_ConsoleCommand (const char *cmd)
 317 {
 318         qboolean r;
 319         if(!csqc_loaded)
 320                 return false;
 321         CSQC_BEGIN
 322                 *prog->time = cl.time;
 323                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(cmd);
 324                 PRVM_ExecuteProgram (prog->globals.client->CSQC_ConsoleCommand, CL_F_CONSOLECOMMAND);
 325                 r = CSQC_RETURNVAL;
 326         CSQC_END
 327         return r;
 328 }
 329
 330 qboolean CL_VM_Parse_TempEntity (void)
 331 {
 332         int                     t;
 333         qboolean        r;
 334         if(!csqc_loaded || !CSQC_Parse_TempEntity)
 335                 return false;
 336         t = msg_readcount;
 337         CSQC_BEGIN
 338                 *prog->time = cl.time;
 339                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_TempEntity - prog->functions), CL_F_PARSE_TEMPENTITY);
 340                 r = CSQC_RETURNVAL;
 341         CSQC_END
 342         if(!r)
 343         {
 344                 msg_readcount = t;
 345                 msg_badread = false;
 346         }
 347         return r;
 348 }
 349
 350 void CL_VM_Parse_StuffCmd (const char *msg)
 351 {
 352         if(!csqc_loaded)        //[515]: add more here
 353         if(msg[0] == 'c')
 354         if(msg[1] == 's')
 355         if(msg[2] == 'q')
 356         if(msg[3] == 'c')
 357         {
 358                 csqc_progcrc.flags = 0;
 359                 Cmd_ExecuteString (msg, src_command);
 360                 csqc_progcrc.flags = CVAR_READONLY;
 361                 return;
 362         }
 363         if(!csqc_loaded || !CSQC_Parse_StuffCmd)
 364         {
 365                 Cbuf_AddText(msg);
 366                 return;
 367         }
 368         CSQC_BEGIN
 369                 *prog->time = cl.time;
 370                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(msg);
 371                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_StuffCmd - prog->functions), CL_F_PARSE_STUFFCMD);
 372         CSQC_END
 373 }
 374
 375 static void CL_VM_Parse_Print (const char *msg)
 376 {
 377         CSQC_BEGIN
 378                 *prog->time = cl.time;
 379                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(msg);
 380                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_Print - prog->functions), CL_F_PARSE_PRINT);
 381         CSQC_END
 382 }
 383
 384 void CSQC_AddPrintText (const char *msg)
 385 {
 386         size_t i;
 387         if(!csqc_loaded || !CSQC_Parse_Print)
 388         {
 389                 Con_Print(msg);
 390                 return;
 391         }
 392         // FIXME: is this bugged?
 393         i = strlen(msg)-1;
 394         if(msg[i] != '\n' && msg[i] != '\r')
 395         {
 396                 if(strlen(csqc_printtextbuf)+i >= CSQC_PRINTBUFFERLEN)
 397                 {
 398                         CL_VM_Parse_Print(csqc_printtextbuf);
 399                         csqc_printtextbuf[0] = 0;
 400                 }
 401                 else
 402                         strlcat(csqc_printtextbuf, msg, CSQC_PRINTBUFFERLEN);
 403                 return;
 404         }
 405         strlcat(csqc_printtextbuf, msg, CSQC_PRINTBUFFERLEN);
 406         CL_VM_Parse_Print(csqc_printtextbuf);
 407         csqc_printtextbuf[0] = 0;
 408 }
 409
 410 void CL_VM_Parse_CenterPrint (const char *msg)
 411 {
 412         if(!csqc_loaded || !CSQC_Parse_CenterPrint)
 413         {
 414                 SCR_CenterPrint((char*)msg);
 415                 return;
 416         }
 417         CSQC_BEGIN
 418                 *prog->time = cl.time;
 419                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(msg);
 420                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_CenterPrint - prog->functions), CL_F_PARSE_CENTERPRINT);
 421         CSQC_END
 422 }
 423
 424 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 425 {
 426         float r;
 427         if(!csqc_loaded || !CSQC_Event)
 428                 return 0;
 429         CSQC_BEGIN
 430                 *prog->time = cl.time;
 431                 PRVM_G_FLOAT(OFS_PARM0) = event;
 432                 PRVM_ExecuteProgram ((func_t)(CSQC_Event - prog->functions), CL_F_EVENT);
 433                 r = CSQC_RETURNVAL;
 434         CSQC_END
 435         return r;
 436 }
 437
 438 void CSQC_ReadEntities (void)
 439 {
 440         unsigned short entnum, oldself, realentnum;
 441         CSQC_BEGIN
 442                 *prog->time = cl.time;
 443                 oldself = prog->globals.client->self;
 444                 while(1)
 445                 {
 446                         entnum = MSG_ReadShort();
 447                         if(!entnum)
 448                                 return;
 449                         realentnum = entnum & 0x7FFF;
 450                         prog->globals.client->self = csqc_sv2csqcents[realentnum];
 451                         if(entnum & 0x8000)
 452                         {
 453                                 if(prog->globals.client->self)
 454                                 {
 455                                         PRVM_ExecuteProgram((func_t)(CSQC_Ent_Remove - prog->functions), CL_F_ENT_REMOVE);
 456                                         csqc_sv2csqcents[realentnum] = 0;
 457                                 }
 458                                 else
 459                                         Con_Printf("Smth bad happens in csqc...\n");    //[515]: never happens ?
 460                         }
 461                         else
 462                         {
 463                                 if(!prog->globals.client->self)
 464                                 {
 465                                         prvm_edict_t    *ed;
 466                                         ed = PRVM_ED_Alloc();
 467                                         ed->fields.client->entnum = realentnum;
 468                                         prog->globals.client->self = csqc_sv2csqcents[realentnum] = PRVM_EDICT_TO_PROG(ed);
 469                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 470                                 }
 471                                 else
 472                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 473                                 PRVM_ExecuteProgram((func_t)(CSQC_Ent_Update - prog->functions), CL_F_ENT_UPDATE);
 474                         }
 475                 }
 476                 prog->globals.client->self = oldself;
 477         CSQC_END
 478 }
 479
 480 void Cmd_ClearCsqcFuncs (void);
 481
 482 void CL_VM_Init (void)
 483 {
 484         unsigned char *csprogsdata;
 485         fs_offset_t csprogsdatasize;
 486         unsigned int csprogsdatacrc;
 487         entity_t *ent;
 488
 489         csqc_loaded = false;
 490         memset(cl.csqc_model_precache, 0, sizeof(cl.csqc_model_precache));
 491         memset(&cl.csqc_vidvars, true, sizeof(csqc_vidvars_t));
 492
 493         // if the server is not requesting a csprogs, then we're done here
 494         if (!csqc_progcrc.integer)
 495                 return;
 496
 497         // see if there is a csprogs.dat installed, and if so, set the csqc_progcrc accordingly, this will be sent to connecting clients to tell them to only load a matching csprogs.dat file
 498         csprogsdatacrc = 0;
 499         csprogsdata = FS_LoadFile(csqc_progname.string, tempmempool, true, &csprogsdatasize);
 500         if (csprogsdata)
 501         {
 502                 csprogsdatacrc = CRC_Block(csprogsdata, csprogsdatasize);
 503                 Mem_Free(csprogsdata);
 504                 if(csprogsdatacrc != (unsigned short)csqc_progcrc.integer && !sv.active && !cls.demoplayback)
 505                 {
 506                         Con_Printf("^1Your %s is not the same version as the server (CRC is %i but should be %i)\n", csqc_progname.string, prog->filecrc, csqc_progcrc.integer);
 507                         PRVM_ResetProg();
 508                         CL_Disconnect();
 509                         return;
 510                 }
 511         }
 512         else
 513         {
 514                 if(!sv.active && csqc_progcrc.integer)
 515                 {
 516                         Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 517                         CL_Disconnect();
 518                 }
 519                 return;
 520         }
 521
 522         PRVM_Begin;
 523         PRVM_InitProg(PRVM_CLIENTPROG);
 524
 525         csqc_mempool = Mem_AllocPool("CSQC", 0, NULL);
 526
 527         // allocate the mempools
 528         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 529         prog->headercrc = CL_PROGHEADER_CRC;
 530         prog->edictprivate_size = 0; // no private struct used
 531         prog->name = CL_NAME;
 532         prog->num_edicts = 1;
 533         prog->limit_edicts = CL_MAX_EDICTS;
 534         prog->extensionstring = vm_cl_extensions;
 535         prog->builtins = vm_cl_builtins;
 536         prog->numbuiltins = vm_cl_numbuiltins;
 537         prog->init_cmd = VM_CL_Cmd_Init;
 538         prog->reset_cmd = VM_CL_Cmd_Reset;
 539         prog->error_cmd = CL_VM_Error;
 540
 541         PRVM_LoadProgs(csqc_progname.string, cl_numrequiredfunc, cl_required_func, 0, NULL);
 542
 543         if(!sv.active && !cls.demoplayback && prog->filecrc != (unsigned short)csqc_progcrc.integer)
 544         {
 545                 Con_Printf("^1Your %s is not the same version as the server (CRC is %i but should be %i)\n", prog->filecrc, csqc_progcrc.integer);
 546                 PRVM_ResetProg();
 547                 CL_Disconnect();
 548                 return;
 549         }
 550
 551         if(prog->loaded)
 552                 Con_Printf("CSQC ^5loaded (crc=%i)\n", csqc_progcrc.integer);
 553         else
 554         {
 555                 CL_VM_Error("CSQC ^2failed to load\n");
 556                 if(!sv.active)
 557                         CL_Disconnect();
 558                 return;
 559         }
 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 = (unsigned short *)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.alpha = 1;
 589         ent->render.flags = RENDER_SHADOW | RENDER_LIGHT;
 590         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, 0, 0, 0, 0, 0, 0, 1);
 591         CL_UpdateRenderEntity(&ent->render);
 592 }
 593
 594 void CL_VM_ShutDown (void)
 595 {
 596         Cmd_ClearCsqcFuncs();
 597         Cvar_SetValueQuick(&csqc_progcrc, 0);
 598         if(!csqc_loaded)
 599                 return;
 600         CSQC_BEGIN
 601                 *prog->time = cl.time;
 602                 PRVM_ExecuteProgram((func_t) (PRVM_ED_FindFunction(CL_F_SHUTDOWN) - prog->functions), CL_F_SHUTDOWN);
 603                 PRVM_ResetProg();
 604         CSQC_END
 605         Con_Print("CSQC ^1unloaded\n");
 606         csqc_loaded = false;
 607         Mem_FreePool(&csqc_mempool);
 608 }