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                 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 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         // concat the matrices to make the entity relative to its tag
 238         Matrix4x4_Concat(&e->render.matrix, &tagmatrix, &matrix2);
 239         // make the other useful stuff
 240         Matrix4x4_Invert_Simple(&e->render.inversematrix, &e->render.matrix);
 241         CL_BoundingBoxForEntity(&e->render);
 242
 243         // FIXME: csqc has frame1/frame2/frame1time/frame2time/lerpfrac but this implementation's cl_entvars_t lacks those fields
 244         e->render.frame1 = e->render.frame = ed->fields.client->frame;
 245         e->render.frame1time = e->render.frame2time = 0;
 246         e->render.framelerp = 0;
 247         R_LerpAnimation(&e->render);
 248
 249         i = 0;
 250         if((val = PRVM_GETEDICTFIELDVALUE(ed, csqc_fieldoff_renderflags)) && val->_float)
 251         {
 252                 i = (int)val->_float;
 253                 if(i & RF_VIEWMODEL)    e->render.flags |= RENDER_VIEWMODEL;
 254                 if(i & RF_EXTERNALMODEL)e->render.flags |= RENDER_EXTERIORMODEL;
 255                 if(i & RF_DEPTHHACK)    e->render.effects |= EF_NODEPTHTEST;
 256                 if(i & RF_ADDITIVE)             e->render.effects |= EF_ADDITIVE;
 257         }
 258
 259         // transparent stuff can't be lit during the opaque stage
 260         if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
 261                 e->render.flags |= RENDER_TRANSPARENT;
 262         // double sided rendering mode causes backfaces to be visible
 263         // (mostly useful on transparent stuff)
 264         if (e->render.effects & EF_DOUBLESIDED)
 265                 e->render.flags |= RENDER_NOCULLFACE;
 266         // either fullbright or lit
 267         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 268                 e->render.flags |= RENDER_LIGHT;
 269         // hide player shadow during intermission or nehahra movie
 270         if (!(e->render.effects & EF_NOSHADOW)
 271          && !(e->render.flags & (RENDER_VIEWMODEL | RENDER_TRANSPARENT))
 272          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 273                 e->render.flags |= RENDER_SHADOW;
 274
 275         return true;
 276 }
 277
 278 void CSQC_ClearCSQCEntities (void)
 279 {
 280         memset(cl.csqcentities_active, 0, sizeof(cl.csqcentities_active));
 281         cl.num_csqcentities = 0;
 282 }
 283
 284 void CL_ExpandCSQCEntities (int num);
 285
 286 qboolean CL_VM_InputEvent (qboolean pressed, int key)
 287 {
 288         qboolean r;
 289         if(!csqc_loaded)
 290                 return false;
 291         CSQC_BEGIN
 292                 *prog->time = cl.time;
 293                 PRVM_G_FLOAT(OFS_PARM0) = pressed;
 294                 PRVM_G_FLOAT(OFS_PARM1) = key;
 295                 PRVM_ExecuteProgram (prog->globals.client->CSQC_InputEvent, CL_F_INPUTEVENT);
 296                 r = CSQC_RETURNVAL;
 297         CSQC_END
 298         return r;
 299 }
 300
 301 qboolean CL_VM_UpdateView (void)
 302 {
 303 //      vec3_t oldangles;
 304         if(!csqc_loaded)
 305                 return false;
 306         CSQC_BEGIN
 307                 //VectorCopy(cl.viewangles, oldangles);
 308                 *prog->time = cl.time;
 309                 CSQC_SetGlobals();
 310                 cl.num_csqcentities = 0;
 311                 PRVM_ExecuteProgram (prog->globals.client->CSQC_UpdateView, CL_F_UPDATEVIEW);
 312                 //VectorCopy(oldangles, cl.viewangles);
 313         CSQC_END
 314         csqc_frame = false;
 315         return true;
 316 }
 317
 318 qboolean CL_VM_ConsoleCommand (const char *cmd)
 319 {
 320         qboolean r;
 321         if(!csqc_loaded)
 322                 return false;
 323         CSQC_BEGIN
 324                 *prog->time = cl.time;
 325                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(cmd);
 326                 PRVM_ExecuteProgram (prog->globals.client->CSQC_ConsoleCommand, CL_F_CONSOLECOMMAND);
 327                 r = CSQC_RETURNVAL;
 328         CSQC_END
 329         return r;
 330 }
 331
 332 qboolean CL_VM_Parse_TempEntity (void)
 333 {
 334         int                     t;
 335         qboolean        r;
 336         if(!csqc_loaded || !CSQC_Parse_TempEntity)
 337                 return false;
 338         t = msg_readcount;
 339         CSQC_BEGIN
 340                 *prog->time = cl.time;
 341                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_TempEntity - prog->functions), CL_F_PARSE_TEMPENTITY);
 342                 r = CSQC_RETURNVAL;
 343         CSQC_END
 344         if(!r)
 345         {
 346                 msg_readcount = t;
 347                 msg_badread = false;
 348         }
 349         return r;
 350 }
 351
 352 void CL_VM_Parse_StuffCmd (const char *msg)
 353 {
 354         if(!csqc_loaded)        //[515]: add more here
 355         if(msg[0] == 'c')
 356         if(msg[1] == 's')
 357         if(msg[2] == 'q')
 358         if(msg[3] == 'c')
 359         {
 360                 Cvar_SetQuick(&csqc_progcrc, "0");
 361                 csqc_progcrc.flags = 0;
 362                 Cmd_ExecuteString (msg, src_command);
 363                 csqc_progcrc.flags = CVAR_READONLY;
 364                 return;
 365         }
 366         if(!csqc_loaded || !CSQC_Parse_StuffCmd)
 367         {
 368                 Cbuf_AddText(msg);
 369                 return;
 370         }
 371         CSQC_BEGIN
 372                 *prog->time = cl.time;
 373                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(msg);
 374                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_StuffCmd - prog->functions), CL_F_PARSE_STUFFCMD);
 375         CSQC_END
 376 }
 377
 378 static void CL_VM_Parse_Print (const char *msg)
 379 {
 380         CSQC_BEGIN
 381                 *prog->time = cl.time;
 382                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(msg);
 383                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_Print - prog->functions), CL_F_PARSE_PRINT);
 384         CSQC_END
 385 }
 386
 387 void CSQC_AddPrintText (const char *msg)
 388 {
 389         size_t i;
 390         if(!csqc_loaded || !CSQC_Parse_Print)
 391         {
 392                 Con_Print(msg);
 393                 return;
 394         }
 395         // FIXME: is this bugged?
 396         i = strlen(msg)-1;
 397         if(msg[i] != '\n' && msg[i] != '\r')
 398         {
 399                 if(strlen(csqc_printtextbuf)+i >= CSQC_PRINTBUFFERLEN)
 400                 {
 401                         CL_VM_Parse_Print(csqc_printtextbuf);
 402                         csqc_printtextbuf[0] = 0;
 403                 }
 404                 else
 405                         strlcat(csqc_printtextbuf, msg, CSQC_PRINTBUFFERLEN);
 406                 return;
 407         }
 408         strlcat(csqc_printtextbuf, msg, CSQC_PRINTBUFFERLEN);
 409         CL_VM_Parse_Print(csqc_printtextbuf);
 410         csqc_printtextbuf[0] = 0;
 411 }
 412
 413 void CL_VM_Parse_CenterPrint (const char *msg)
 414 {
 415         if(!csqc_loaded || !CSQC_Parse_CenterPrint)
 416         {
 417                 SCR_CenterPrint((char*)msg);
 418                 return;
 419         }
 420         CSQC_BEGIN
 421                 *prog->time = cl.time;
 422                 PRVM_G_INT(OFS_PARM0) = PRVM_SetEngineString(msg);
 423                 PRVM_ExecuteProgram ((func_t)(CSQC_Parse_CenterPrint - prog->functions), CL_F_PARSE_CENTERPRINT);
 424         CSQC_END
 425 }
 426
 427 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 428 {
 429         float r;
 430         if(!csqc_loaded || !CSQC_Event)
 431                 return 0;
 432         CSQC_BEGIN
 433                 *prog->time = cl.time;
 434                 PRVM_G_FLOAT(OFS_PARM0) = event;
 435                 PRVM_ExecuteProgram ((func_t)(CSQC_Event - prog->functions), CL_F_EVENT);
 436                 r = CSQC_RETURNVAL;
 437         CSQC_END
 438         return r;
 439 }
 440
 441 void CSQC_ReadEntities (void)
 442 {
 443         unsigned short entnum, oldself, realentnum;
 444         CSQC_BEGIN
 445                 *prog->time = cl.time;
 446                 oldself = prog->globals.client->self;
 447                 while(1)
 448                 {
 449                         entnum = MSG_ReadShort();
 450                         if(!entnum)
 451                                 return;
 452                         realentnum = entnum & 0x7FFF;
 453                         prog->globals.client->self = csqc_sv2csqcents[realentnum];
 454                         if(entnum & 0x8000)
 455                         {
 456                                 if(prog->globals.client->self)
 457                                 {
 458                                         PRVM_ExecuteProgram((func_t)(CSQC_Ent_Remove - prog->functions), CL_F_ENT_REMOVE);
 459                                         csqc_sv2csqcents[realentnum] = 0;
 460                                 }
 461                                 else
 462                                         Con_Printf("Smth bad happens in csqc...\n");    //[515]: never happens ?
 463                         }
 464                         else
 465                         {
 466                                 if(!prog->globals.client->self)
 467                                 {
 468                                         prvm_edict_t    *ed;
 469                                         ed = PRVM_ED_Alloc();
 470                                         ed->fields.client->entnum = realentnum;
 471                                         prog->globals.client->self = csqc_sv2csqcents[realentnum] = PRVM_EDICT_TO_PROG(ed);
 472                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 473                                 }
 474                                 else
 475                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 476                                 PRVM_ExecuteProgram((func_t)(CSQC_Ent_Update - prog->functions), CL_F_ENT_UPDATE);
 477                         }
 478                 }
 479                 prog->globals.client->self = oldself;
 480         CSQC_END
 481 }
 482
 483 void Cmd_ClearCsqcFuncs (void);
 484
 485 void CL_VM_Init (void)
 486 {
 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(!FS_FileExists(csqc_progname.string))
 494         {
 495                 if(!sv.active && csqc_progcrc.integer)
 496                 {
 497                         Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 498                         CL_Disconnect();
 499                 }
 500                 return;
 501         }
 502         else
 503         {
 504                 if (developer.integer < 100)
 505                 {
 506                         Con_DPrintf("CL_VM_Init: CSQC is broken, and is not being loaded because developer is less than 100.\n");
 507                         return;
 508                 }
 509                 if(!sv.active && !csqc_progcrc.integer) //[515]: because cheaters may use csqc while server didn't allowed it !
 510                 {
 511                         Con_Printf("CL_VM_Init: server didn't sent CSQC crc, so CSQC is disabled\n");
 512                         return;
 513                 }
 514         }
 515
 516         PRVM_Begin;
 517         PRVM_InitProg(PRVM_CLIENTPROG);
 518
 519         csqc_mempool = Mem_AllocPool("CSQC", 0, NULL);
 520
 521         // allocate the mempools
 522         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 523         prog->headercrc = CL_PROGHEADER_CRC;
 524         prog->edictprivate_size = 0; // no private struct used
 525         prog->name = CL_NAME;
 526         prog->num_edicts = 1;
 527         prog->limit_edicts = CL_MAX_EDICTS;
 528         prog->extensionstring = vm_cl_extensions;
 529         prog->builtins = vm_cl_builtins;
 530         prog->numbuiltins = vm_cl_numbuiltins;
 531         prog->init_cmd = VM_CL_Cmd_Init;
 532         prog->reset_cmd = VM_CL_Cmd_Reset;
 533         prog->error_cmd = CL_VM_Error;
 534
 535         PRVM_LoadProgs(csqc_progname.string, cl_numrequiredfunc, cl_required_func, 0, NULL);
 536
 537         if(!sv.active && !cls.demoplayback && prog->filecrc != (unsigned short)csqc_progcrc.integer)
 538         {
 539                 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);
 540                 PRVM_ResetProg();
 541                 CL_Disconnect();
 542                 return;
 543         }
 544
 545         if(prog->loaded)
 546         {
 547                 Cvar_SetValueQuick(&csqc_progcrc, prog->filecrc);
 548                 Con_Printf("CSQC ^5loaded (crc=%i)\n", csqc_progcrc.integer);
 549         }
 550         else
 551         {
 552                 CL_VM_Error("CSQC ^2failed to load\n");
 553                 if(!sv.active)
 554                         CL_Disconnect();
 555                 return;
 556         }
 557
 558         //[515]: optional fields & funcs
 559         CL_VM_FindEdictFieldOffsets();
 560
 561         // set time
 562         *prog->time = cl.time;
 563         csqc_frametime = 0;
 564
 565         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldmodel->name);
 566         prog->globals.client->player_localentnum = cl.playerentity;
 567
 568         // call the prog init
 569         PRVM_ExecuteProgram((func_t) (PRVM_ED_FindFunction(CL_F_INIT) - prog->functions), CL_F_INIT);
 570
 571         PRVM_End;
 572         csqc_loaded = true;
 573
 574         csqc_sv2csqcents = (unsigned short *)Mem_Alloc(csqc_mempool, MAX_EDICTS*sizeof(unsigned short));
 575         memset(csqc_sv2csqcents, 0, MAX_EDICTS*sizeof(unsigned short));
 576
 577         cl.csqc_vidvars.drawcrosshair = false;
 578         cl.csqc_vidvars.drawenginesbar = false;
 579
 580         // local state
 581         ent = &cl.csqcentities[0];
 582         // entire entity array was cleared, so just fill in a few fields
 583         ent->state_current.active = true;
 584         ent->render.model = cl.worldmodel = cl.model_precache[1];
 585         ent->render.scale = 1; // some of the renderer still relies on scale
 586         ent->render.alpha = 1;
 587         ent->render.flags = RENDER_SHADOW | RENDER_LIGHT;
 588         Matrix4x4_CreateFromQuakeEntity(&ent->render.matrix, 0, 0, 0, 0, 0, 0, 1);
 589         Matrix4x4_Invert_Simple(&ent->render.inversematrix, &ent->render.matrix);
 590         CL_BoundingBoxForEntity(&ent->render);
 591 }
 592
 593 void CL_VM_ShutDown (void)
 594 {
 595         Cmd_ClearCsqcFuncs();
 596         Cvar_SetValueQuick(&csqc_progcrc, 0);
 597         if(!csqc_loaded)
 598                 return;
 599         CSQC_BEGIN
 600                 *prog->time = cl.time;
 601                 PRVM_ExecuteProgram((func_t) (PRVM_ED_FindFunction(CL_F_SHUTDOWN) - prog->functions), CL_F_SHUTDOWN);
 602                 PRVM_ResetProg();
 603         CSQC_END
 604         Con_Print("CSQC ^1unloaded\n");
 605         csqc_loaded = false;
 606         Mem_FreePool(&csqc_mempool);
 607 }