csprogs.c

   1 #include "quakedef.h"
   2 #include "progsvm.h"
   3 #include "clprogdefs.h"
   4 #include "csprogs.h"
   5 #include "cl_collision.h"
   6
   7 //============================================================================
   8 // Client prog handling
   9 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
  10
  11 #define CSQC_RETURNVAL  prog->globals.generic[OFS_RETURN]
  12 #define CSQC_BEGIN              csqc_tmpprog=prog;prog=0;PRVM_SetProg(PRVM_CLIENTPROG);
  13 #define CSQC_END                prog=csqc_tmpprog;
  14 static prvm_prog_t *csqc_tmpprog;
  15
  16 //[515]: these are required funcs
  17 static char *cl_required_func[] =
  18 {
  19         "CSQC_Init",
  20         "CSQC_InputEvent",
  21         "CSQC_UpdateView",
  22         "CSQC_ConsoleCommand",
  23 };
  24
  25 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  26
  27 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
  28 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
  29 {
  30         char errorstring[4096];
  31         va_list argptr;
  32
  33         va_start (argptr, format);
  34         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
  35         va_end (argptr);
  36 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
  37
  38         PRVM_Crash();
  39         cl.csqc_loaded = false;
  40
  41         Cvar_SetValueQuick(&csqc_progcrc, -1);
  42         Cvar_SetValueQuick(&csqc_progsize, -1);
  43
  44 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
  45         Host_Error(va("CL_VM_Error: %s", errorstring));
  46 }
  47
  48 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
  49 static void CSQC_SetGlobals (void)
  50 {
  51         prvm_eval_t *val;
  52         CSQC_BEGIN
  53                 prog->globals.client->time = cl.time;
  54                 prog->globals.client->frametime = max(0, cl.time - cl.oldtime);
  55                 prog->globals.client->servercommandframe = cls.servermovesequence;
  56                 prog->globals.client->clientcommandframe = cl.movecmd[0].sequence;
  57                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
  58                 VectorCopy(cl.viewangles, cl.csqc_angles);
  59                 prog->globals.client->input_buttons = cl.movecmd[0].buttons;
  60                 VectorSet(prog->globals.client->input_movevalues, cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
  61                 //VectorCopy(cl.movement_origin, cl.csqc_origin);
  62                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, cl.csqc_origin);
  63                 if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.view_angles)))
  64                         VectorCopy(cl.viewangles, val->vector);
  65                 prog->globals.client->maxclients = cl.maxclients;
  66         CSQC_END
  67 }
  68
  69 void CSQC_Predraw (prvm_edict_t *ed)
  70 {
  71         int b;
  72         if(!ed->fields.client->predraw)
  73                 return;
  74         b = prog->globals.client->self;
  75         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
  76         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
  77         prog->globals.client->self = b;
  78 }
  79
  80 void CSQC_Think (prvm_edict_t *ed)
  81 {
  82         int b;
  83         if(ed->fields.client->think)
  84         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
  85         {
  86                 ed->fields.client->nextthink = 0;
  87                 b = prog->globals.client->self;
  88                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
  89                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
  90                 prog->globals.client->self = b;
  91         }
  92 }
  93
  94 extern cvar_t cl_noplayershadow;
  95 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed)
  96 {
  97         int renderflags;
  98         float scale;
  99         prvm_eval_t *val;
 100         entity_t *e;
 101         model_t *model;
 102         matrix4x4_t tagmatrix, matrix2;
 103
 104         model = CL_GetModelFromEdict(ed);
 105         if (!model)
 106                 return false;
 107
 108         e = CL_NewTempEntity();
 109         if (!e)
 110                 return false;
 111
 112         e->render.model = model;
 113         e->render.colormap = (int)ed->fields.client->colormap;
 114         e->render.skinnum = (int)ed->fields.client->skin;
 115         e->render.effects |= e->render.model->effects;
 116         scale = 1;
 117         renderflags = 0;
 118         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.renderflags)) && val->_float)     renderflags = (int)val->_float;
 119         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.alpha)) && val->_float)           e->render.alpha = val->_float;
 120         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.scale)) && val->_float)           e->render.scale = scale = val->_float;
 121         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, e->render.colormod);
 122         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.effects)) && val->_float) e->render.effects |= (int)val->_float;
 123         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_entity)) && val->edict)
 124         {
 125                 int tagentity;
 126                 int tagindex = 0;
 127                 tagentity = val->edict;
 128                 if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_index)) && val->_float)
 129                         tagindex = (int)val->_float;
 130                 // FIXME: calculate tag matrix
 131                 Matrix4x4_CreateIdentity(&tagmatrix);
 132         }
 133         else
 134                 Matrix4x4_CreateIdentity(&tagmatrix);
 135
 136         if (renderflags & RF_USEAXIS)
 137         {
 138                 vec3_t left;
 139                 VectorNegate(prog->globals.client->v_right, left);
 140                 Matrix4x4_FromVectors(&matrix2, prog->globals.client->v_forward, left, prog->globals.client->v_up, ed->fields.client->origin);
 141                 Matrix4x4_Scale(&matrix2, scale, 1);
 142         }
 143         else
 144         {
 145                 vec3_t angles;
 146                 VectorCopy(ed->fields.client->angles, angles);
 147                 // if model is alias, reverse pitch direction
 148                 if (e->render.model->type == mod_alias)
 149                         angles[0] = -angles[0];
 150
 151                 // set up the render matrix
 152                 Matrix4x4_CreateFromQuakeEntity(&matrix2, ed->fields.client->origin[0], ed->fields.client->origin[1], ed->fields.client->origin[2], angles[0], angles[1], angles[2], scale);
 153         }
 154
 155         // set up the animation data
 156         // self.frame is the interpolation target (new frame)
 157         // self.frame1time is the animation base time for the interpolation target
 158         // self.frame2 is the interpolation start (previous frame)
 159         // self.frame2time is the animation base time for the interpolation start
 160         e->render.frame1 = e->render.frame2 = ed->fields.client->frame;
 161         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) e->render.frame2 = val->_float;
 162         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) e->render.frame2time = val->_float;
 163         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) e->render.frame1time = val->_float;
 164         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) e->render.framelerp = val->_float;
 165
 166         // concat the matrices to make the entity relative to its tag
 167         Matrix4x4_Concat(&e->render.matrix, &tagmatrix, &matrix2);
 168         // make the other useful stuff
 169         CL_UpdateRenderEntity(&e->render);
 170
 171         if(renderflags)
 172         {
 173                 if(renderflags & RF_VIEWMODEL)  e->render.flags |= RENDER_VIEWMODEL;
 174                 if(renderflags & RF_EXTERNALMODEL)e->render.flags |= RENDER_EXTERIORMODEL;
 175                 if(renderflags & RF_DEPTHHACK)  e->render.effects |= EF_NODEPTHTEST;
 176                 if(renderflags & RF_ADDITIVE)           e->render.effects |= EF_ADDITIVE;
 177         }
 178
 179         if ((e->render.colormap > 0 && e->render.colormap <= cl.maxclients) || e->render.colormap >= 1024)
 180         {
 181                 unsigned char *cbcolor;
 182                 int palcol;
 183                 if (e->render.colormap >= 1024)
 184                         palcol = (unsigned char)(e->render.colormap-1024);
 185                 else
 186                         palcol = cl.scores[e->render.colormap-1].colors;
 187
 188                 cbcolor = (unsigned char *) (&palette_pantscolormap[palcol & 0xF]);
 189                 e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f);
 190                 e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f);
 191                 e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f);
 192                 cbcolor = (unsigned char *) (&palette_shirtcolormap[(palcol & 0xF0) >> 4]);
 193                 e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f);
 194                 e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f);
 195                 e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f);
 196         }
 197
 198         // either fullbright or lit
 199         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 200                 e->render.flags |= RENDER_LIGHT;
 201         // hide player shadow during intermission or nehahra movie
 202         if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 203          &&  (e->render.alpha >= 1)
 204          && !(e->render.flags & RENDER_VIEWMODEL)
 205          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 206                 e->render.flags |= RENDER_SHADOW;
 207         if (e->render.flags & RENDER_VIEWMODEL)
 208                 e->render.flags |= RENDER_NOSELFSHADOW;
 209
 210         return true;
 211 }
 212
 213 qboolean CL_VM_InputEvent (qboolean pressed, int key)
 214 {
 215         qboolean r;
 216         if(!cl.csqc_loaded)
 217                 return false;
 218         CSQC_BEGIN
 219                 if (!prog->funcoffsets.CSQC_InputEvent)
 220                         r = false;
 221                 else
 222                 {
 223                         prog->globals.client->time = cl.time;
 224                         PRVM_G_FLOAT(OFS_PARM0) = pressed;
 225                         PRVM_G_FLOAT(OFS_PARM1) = key;
 226                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 227                         r = CSQC_RETURNVAL;
 228                 }
 229         CSQC_END
 230         return r;
 231 }
 232
 233 qboolean CL_VM_UpdateView (void)
 234 {
 235 //      vec3_t oldangles;
 236         if(!cl.csqc_loaded)
 237                 return false;
 238         CSQC_BEGIN
 239                 //VectorCopy(cl.viewangles, oldangles);
 240                 prog->globals.client->time = cl.time;
 241                 CSQC_SetGlobals();
 242                 // clear renderable entity and light lists to prevent crashes if the
 243                 // CSQC_UpdateView function does not call R_ClearScene as it should
 244                 r_refdef.numentities = 0;
 245                 r_refdef.numlights = 0;
 246                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 247                 //VectorCopy(oldangles, cl.viewangles);
 248         CSQC_END
 249         return true;
 250 }
 251
 252 extern sizebuf_t vm_tempstringsbuf;
 253 qboolean CL_VM_ConsoleCommand (const char *cmd)
 254 {
 255         int restorevm_tempstringsbuf_cursize;
 256         qboolean r = false;
 257         if(!cl.csqc_loaded)
 258                 return false;
 259         CSQC_BEGIN
 260         if (prog->funcoffsets.CSQC_ConsoleCommand)
 261         {
 262                 prog->globals.client->time = cl.time;
 263                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 264                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 265                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 266                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 267                 r = CSQC_RETURNVAL;
 268         }
 269         CSQC_END
 270         return r;
 271 }
 272
 273 qboolean CL_VM_Parse_TempEntity (void)
 274 {
 275         int                     t;
 276         qboolean        r = false;
 277         if(!cl.csqc_loaded)
 278                 return false;
 279         CSQC_BEGIN
 280         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 281         {
 282                 t = msg_readcount;
 283                 prog->globals.client->time = cl.time;
 284                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 285                 r = CSQC_RETURNVAL;
 286                 if(!r)
 287                 {
 288                         msg_readcount = t;
 289                         msg_badread = false;
 290                 }
 291         }
 292         CSQC_END
 293         return r;
 294 }
 295
 296 void CL_VM_Parse_StuffCmd (const char *msg)
 297 {
 298         int restorevm_tempstringsbuf_cursize;
 299         if(msg[0] == 'c')
 300         if(msg[1] == 's')
 301         if(msg[2] == 'q')
 302         if(msg[3] == 'c')
 303         {
 304                 // if this is setting a csqc variable, deprotect csqc_progcrc
 305                 // temporarily so that it can be set by the cvar command,
 306                 // and then reprotect it afterwards
 307                 int crcflags = csqc_progcrc.flags;
 308                 int sizeflags = csqc_progcrc.flags;
 309                 csqc_progcrc.flags &= ~CVAR_READONLY;
 310                 csqc_progsize.flags &= ~CVAR_READONLY;
 311                 Cmd_ExecuteString (msg, src_command);
 312                 csqc_progcrc.flags = crcflags;
 313                 csqc_progsize.flags = sizeflags;
 314                 return;
 315         }
 316         if(!cl.csqc_loaded)
 317         {
 318                 Cbuf_AddText(msg);
 319                 return;
 320         }
 321         CSQC_BEGIN
 322         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 323         {
 324                 prog->globals.client->time = cl.time;
 325                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 326                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 327                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 328                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 329         }
 330         else
 331                 Cbuf_AddText(msg);
 332         CSQC_END
 333 }
 334
 335 static void CL_VM_Parse_Print (const char *msg)
 336 {
 337         int restorevm_tempstringsbuf_cursize;
 338         prog->globals.client->time = cl.time;
 339         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 340         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 341         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 342         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 343 }
 344
 345 void CSQC_AddPrintText (const char *msg)
 346 {
 347         size_t i;
 348         if(!cl.csqc_loaded)
 349         {
 350                 Con_Print(msg);
 351                 return;
 352         }
 353         CSQC_BEGIN
 354         if(prog->funcoffsets.CSQC_Parse_Print)
 355         {
 356                 // FIXME: is this bugged?
 357                 i = strlen(msg)-1;
 358                 if(msg[i] != '\n' && msg[i] != '\r')
 359                 {
 360                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 361                         {
 362                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 363                                 cl.csqc_printtextbuf[0] = 0;
 364                         }
 365                         else
 366                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 367                         return;
 368                 }
 369                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 370                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 371                 cl.csqc_printtextbuf[0] = 0;
 372         }
 373         else
 374                 Con_Print(msg);
 375         CSQC_END
 376 }
 377
 378 void CL_VM_Parse_CenterPrint (const char *msg)
 379 {
 380         int restorevm_tempstringsbuf_cursize;
 381         if(!cl.csqc_loaded)
 382         {
 383                 SCR_CenterPrint((char*)msg);
 384                 return;
 385         }
 386         CSQC_BEGIN
 387         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 388         {
 389                 prog->globals.client->time = cl.time;
 390                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 391                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 392                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 393                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 394         }
 395         else
 396                 SCR_CenterPrint((char*)msg);
 397         CSQC_END
 398 }
 399
 400 void CL_VM_UpdateIntermissionState (int intermission)
 401 {
 402         prvm_eval_t *val;
 403         if(cl.csqc_loaded)
 404         {
 405                 CSQC_BEGIN
 406                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.intermission);
 407                 if(val)
 408                         val->_float = intermission;
 409                 CSQC_END
 410         }
 411 }
 412 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 413 {
 414         // Avoid global names for clean(er) coding
 415         int localcoop;
 416         int localdeathmatch;
 417
 418         prvm_eval_t *val;
 419         if(cl.csqc_loaded)
 420         {
 421                 if(gametype == GAME_COOP)
 422                 {
 423                         localcoop = 1;
 424                         localdeathmatch = 0;
 425                 }
 426                 else
 427                 if(gametype == GAME_DEATHMATCH)
 428                 {
 429                         localcoop = 0;
 430                         localdeathmatch = 1;
 431                 }
 432                 else
 433                 {
 434                         // How did the ServerInfo send an unknown gametype?
 435                         // Better just assign the globals as 0...
 436                         localcoop = 0;
 437                         localdeathmatch = 0;
 438                 }
 439                 CSQC_BEGIN
 440                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.coop);
 441                 if(val)
 442                         val->_float = localcoop;
 443                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.deathmatch);
 444                 if(val)
 445                         val->_float = localdeathmatch;
 446                 CSQC_END
 447         }
 448 }
 449
 450 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 451 {
 452         float r = 0;
 453         if(!cl.csqc_loaded)
 454                 return 0;
 455         CSQC_BEGIN
 456         if(prog->funcoffsets.CSQC_Event)
 457         {
 458                 prog->globals.client->time = cl.time;
 459                 PRVM_G_FLOAT(OFS_PARM0) = event;
 460                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 461                 r = CSQC_RETURNVAL;
 462         }
 463         CSQC_END
 464         return r;
 465 }
 466
 467 void CSQC_ReadEntities (void)
 468 {
 469         unsigned short entnum, oldself, realentnum;
 470         if(!cl.csqc_loaded)
 471         {
 472                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 473                 return;
 474         }
 475
 476         CSQC_BEGIN
 477                 prog->globals.client->time = cl.time;
 478                 oldself = prog->globals.client->self;
 479                 while(1)
 480                 {
 481                         entnum = MSG_ReadShort();
 482                         if(!entnum || msg_badread)
 483                                 return;
 484                         realentnum = entnum & 0x7FFF;
 485                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 486                         if(entnum & 0x8000)
 487                         {
 488                                 if(prog->globals.client->self)
 489                                 {
 490                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 491                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 492                                 }
 493                                 else
 494                                         Con_Printf("Smth bad happens in csqc...\n");    //[515]: never happens ?
 495                         }
 496                         else
 497                         {
 498                                 if(!prog->globals.client->self)
 499                                 {
 500                                         prvm_edict_t    *ed;
 501                                         ed = PRVM_ED_Alloc();
 502                                         ed->fields.client->entnum = realentnum;
 503                                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 504                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 505                                 }
 506                                 else
 507                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 508                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 509                         }
 510                 }
 511                 prog->globals.client->self = oldself;
 512         CSQC_END
 513 }
 514
 515 void CL_VM_CB_BeginIncreaseEdicts(void)
 516 {
 517         int i;
 518         prvm_edict_t *ent;
 519
 520         // links don't survive the transition, so unlink everything
 521         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 522         {
 523                 if (!ent->priv.server->free)
 524                         World_UnlinkEdict(prog->edicts + i);
 525                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
 526         }
 527         World_Clear(&cl.world);
 528 }
 529
 530 void CL_VM_CB_EndIncreaseEdicts(void)
 531 {
 532         int i;
 533         prvm_edict_t *ent;
 534
 535         // link every entity except world
 536         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 537                 if (!ent->priv.server->free)
 538                         CL_LinkEdict(ent);
 539 }
 540
 541 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 542 {
 543         e->priv.server->move = false; // don't move on first frame
 544 }
 545
 546 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 547 {
 548         World_UnlinkEdict(ed);
 549         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 550 }
 551
 552 void CL_VM_CB_CountEdicts(void)
 553 {
 554         int             i;
 555         prvm_edict_t    *ent;
 556         int             active = 0, models = 0, solid = 0;
 557
 558         for (i=0 ; i<prog->num_edicts ; i++)
 559         {
 560                 ent = PRVM_EDICT_NUM(i);
 561                 if (ent->priv.server->free)
 562                         continue;
 563                 active++;
 564                 if (ent->fields.client->solid)
 565                         solid++;
 566                 if (ent->fields.client->model)
 567                         models++;
 568         }
 569
 570         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 571         Con_Printf("active    :%3i\n", active);
 572         Con_Printf("view      :%3i\n", models);
 573         Con_Printf("touch     :%3i\n", solid);
 574 }
 575
 576 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 577 {
 578         return true;
 579 }
 580
 581 void Cmd_ClearCsqcFuncs (void);
 582
 583 void CL_VM_Init (void)
 584 {
 585         unsigned char *csprogsdata;
 586         fs_offset_t csprogsdatasize;
 587         int csprogsdatacrc, requiredcrc;
 588         int requiredsize;
 589         prvm_eval_t *val;
 590
 591         // reset csqc_progcrc after reading it, so that changing servers doesn't
 592         // expect csqc on the next server
 593         requiredcrc = csqc_progcrc.integer;
 594         requiredsize = csqc_progsize.integer;
 595         Cvar_SetValueQuick(&csqc_progcrc, -1);
 596         Cvar_SetValueQuick(&csqc_progsize, -1);
 597
 598         // if the server is not requesting a csprogs, then we're done here
 599         if (requiredcrc < 0)
 600                 return;
 601
 602         // see if the requested csprogs.dat file matches the requested crc
 603         csprogsdatacrc = -1;
 604         csprogsdata = FS_LoadFile(va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc), tempmempool, true, &csprogsdatasize);
 605         if (!csprogsdata)
 606                 csprogsdata = FS_LoadFile(csqc_progname.string, tempmempool, true, &csprogsdatasize);
 607         if (csprogsdata)
 608         {
 609                 csprogsdatacrc = CRC_Block(csprogsdata, csprogsdatasize);
 610                 Mem_Free(csprogsdata);
 611                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 612                 {
 613                         if (cls.demoplayback)
 614                         {
 615                                 Con_Printf("^1Warning: Your %s is not the same version as the demo was recorded with (CRC/size are %i/%i but should be %i/%i)\n", csqc_progname.string, csprogsdatacrc, (int)csprogsdatasize, requiredcrc, requiredsize);
 616                                 return;
 617                         }
 618                         else
 619                         {
 620                                 Con_Printf("^1Your %s is not the same version as the server (CRC is %i/%i but should be %i/%i)\n", csqc_progname.string, csprogsdatacrc, (int)csprogsdatasize, requiredcrc, requiredsize);
 621                                 CL_Disconnect();
 622                                 return;
 623                         }
 624                 }
 625         }
 626         else
 627         {
 628                 if (requiredcrc >= 0)
 629                 {
 630                         if (cls.demoplayback)
 631                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 632                         else
 633                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 634                         CL_Disconnect();
 635                 }
 636                 return;
 637         }
 638
 639         PRVM_Begin;
 640         PRVM_InitProg(PRVM_CLIENTPROG);
 641
 642         // allocate the mempools
 643         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 644         prog->headercrc = CL_PROGHEADER_CRC;
 645         prog->edictprivate_size = 0; // no private struct used
 646         prog->name = CL_NAME;
 647         prog->num_edicts = 1;
 648         prog->max_edicts = 512;
 649         prog->limit_edicts = CL_MAX_EDICTS;
 650         prog->reserved_edicts = 0;
 651         prog->edictprivate_size = sizeof(edict_engineprivate_t);
 652         prog->extensionstring = vm_sv_extensions;
 653         prog->builtins = vm_cl_builtins;
 654         prog->numbuiltins = vm_cl_numbuiltins;
 655         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
 656         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
 657         prog->init_edict = CL_VM_CB_InitEdict;
 658         prog->free_edict = CL_VM_CB_FreeEdict;
 659         prog->count_edicts = CL_VM_CB_CountEdicts;
 660         prog->load_edict = CL_VM_CB_LoadEdict;
 661         prog->init_cmd = VM_CL_Cmd_Init;
 662         prog->reset_cmd = VM_CL_Cmd_Reset;
 663         prog->error_cmd = CL_VM_Error;
 664
 665         PRVM_LoadProgs(csqc_progname.string, cl_numrequiredfunc, cl_required_func, 0, NULL, 0, NULL);
 666
 667         if (!prog->loaded)
 668         {
 669                 CL_VM_Error("CSQC ^2failed to load\n");
 670                 if(!sv.active)
 671                         CL_Disconnect();
 672                 return;
 673         }
 674
 675         Con_Printf("CSQC ^5loaded (crc=%i, size=%i)\n", csprogsdatacrc, (int)csprogsdatasize);
 676
 677         // check if OP_STATE animation is possible in this dat file
 678         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
 679                 prog->flag |= PRVM_OP_STATE;
 680
 681         // set time
 682         prog->globals.client->time = cl.time;
 683
 684         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldmodel->name);
 685         prog->globals.client->player_localentnum = cl.playerentity;
 686
 687         // set map description (use world entity 0)
 688         val = PRVM_EDICTFIELDVALUE(prog->edicts, prog->fieldoffsets.message);
 689         if(val)
 690                 val->string = PRVM_SetEngineString(cl.levelname);
 691
 692         // call the prog init
 693         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
 694
 695         PRVM_End;
 696         cl.csqc_loaded = true;
 697
 698         cl.csqc_vidvars.drawcrosshair = false;
 699         cl.csqc_vidvars.drawenginesbar = false;
 700
 701         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
 702         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
 703 }
 704
 705 void CL_VM_ShutDown (void)
 706 {
 707         Cmd_ClearCsqcFuncs();
 708         Cvar_SetValueQuick(&csqc_progcrc, -1);
 709         Cvar_SetValueQuick(&csqc_progsize, -1);
 710         if(!cl.csqc_loaded)
 711                 return;
 712         CSQC_BEGIN
 713                 prog->globals.client->time = cl.time;
 714                 if (prog->funcoffsets.CSQC_Shutdown)
 715                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
 716                 PRVM_ResetProg();
 717         CSQC_END
 718         Con_Print("CSQC ^1unloaded\n");
 719         cl.csqc_loaded = false;
 720 }