csprogs.c

   1 #include "quakedef.h"
   2 #include "progsvm.h"
   3 #include "clprogdefs.h"
   4 #include "csprogs.h"
   5 #include "cl_collision.h"
   6 #include "snd_main.h"
   7
   8 //============================================================================
   9 // Client prog handling
  10 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
  11
  12 #define CSQC_RETURNVAL  prog->globals.generic[OFS_RETURN]
  13 #define CSQC_BEGIN              csqc_tmpprog=prog;prog=0;PRVM_SetProg(PRVM_CLIENTPROG);
  14 #define CSQC_END                prog=csqc_tmpprog;
  15 static prvm_prog_t *csqc_tmpprog;
  16
  17 //[515]: these are required funcs
  18 static char *cl_required_func[] =
  19 {
  20         "CSQC_Init",
  21         "CSQC_InputEvent",
  22         "CSQC_UpdateView",
  23         "CSQC_ConsoleCommand",
  24 };
  25
  26 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  27
  28 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
  29 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
  30 {
  31         char errorstring[4096];
  32         va_list argptr;
  33
  34         va_start (argptr, format);
  35         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
  36         va_end (argptr);
  37 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
  38
  39         PRVM_Crash();
  40         cl.csqc_loaded = false;
  41
  42         Cvar_SetValueQuick(&csqc_progcrc, -1);
  43         Cvar_SetValueQuick(&csqc_progsize, -1);
  44
  45 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
  46         Host_Error(va("CL_VM_Error: %s", errorstring));
  47 }
  48 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
  49 {
  50         prvm_eval_t *val;
  51         if(cl.csqc_loaded)
  52         {
  53                 CSQC_BEGIN
  54                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_take);
  55                 if(val)
  56                         val->_float = dmg_take;
  57                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_save);
  58                 if(val)
  59                         val->_float = dmg_save;
  60                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_origin);
  61                 if(val)
  62                 {
  63                         val->vector[0] = dmg_origin[0];
  64                         val->vector[1] = dmg_origin[1];
  65                         val->vector[2] = dmg_origin[2];
  66                 }
  67                 CSQC_END
  68         }
  69 }
  70 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
  71 static void CSQC_SetGlobals (void)
  72 {
  73         prvm_eval_t *val;
  74         CSQC_BEGIN
  75                 prog->globals.client->time = cl.time;
  76                 prog->globals.client->frametime = max(0, cl.time - cl.oldtime);
  77                 prog->globals.client->servercommandframe = cls.servermovesequence;
  78                 prog->globals.client->clientcommandframe = cl.movecmd[0].sequence;
  79                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
  80                 VectorCopy(cl.viewangles, cl.csqc_angles);
  81                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
  82                 prog->globals.client->input_buttons = cl.movecmd[0].buttons;
  83                 VectorSet(prog->globals.client->input_movevalues, cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
  84                 //VectorCopy(cl.movement_origin, cl.csqc_origin);
  85                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, cl.csqc_origin);
  86
  87                 // LordHavoc: Spike says not to do this, but without pmove_org the
  88                 // CSQC is useless as it can't alter the view origin without
  89                 // completely replacing it
  90                 VectorCopy(cl.csqc_origin, prog->globals.client->pmove_org);
  91                 VectorCopy(cl.velocity, prog->globals.client->pmove_vel);
  92
  93                 if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.view_angles)))
  94                         VectorCopy(cl.viewangles, val->vector);
  95                 prog->globals.client->maxclients = cl.maxclients;
  96         CSQC_END
  97 }
  98
  99 void CSQC_Predraw (prvm_edict_t *ed)
 100 {
 101         int b;
 102         if(!ed->fields.client->predraw)
 103                 return;
 104         b = prog->globals.client->self;
 105         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 106         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
 107         prog->globals.client->self = b;
 108 }
 109
 110 void CSQC_Think (prvm_edict_t *ed)
 111 {
 112         int b;
 113         if(ed->fields.client->think)
 114         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 115         {
 116                 ed->fields.client->nextthink = 0;
 117                 b = prog->globals.client->self;
 118                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 119                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 120                 prog->globals.client->self = b;
 121         }
 122 }
 123
 124 extern cvar_t cl_noplayershadow;
 125 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed)
 126 {
 127         int renderflags;
 128         int c;
 129         float scale;
 130         prvm_eval_t *val;
 131         entity_t *e;
 132         model_t *model;
 133         matrix4x4_t tagmatrix, matrix2;
 134
 135         model = CL_GetModelFromEdict(ed);
 136         if (!model)
 137                 return false;
 138
 139         e = CL_NewTempEntity();
 140         if (!e)
 141                 return false;
 142
 143         e->render.model = model;
 144         e->render.skinnum = (int)ed->fields.client->skin;
 145         e->render.effects |= e->render.model->effects;
 146         scale = 1;
 147         renderflags = 0;
 148         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.renderflags)) && val->_float)     renderflags = (int)val->_float;
 149         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.alpha)) && val->_float)           e->render.alpha = val->_float;
 150         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.scale)) && val->_float)           e->render.scale = scale = val->_float;
 151         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, e->render.colormod);
 152         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.effects)) && val->_float) e->render.effects |= (int)val->_float;
 153         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_entity)) && val->edict)
 154         {
 155                 int tagentity;
 156                 int tagindex = 0;
 157                 tagentity = val->edict;
 158                 if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_index)) && val->_float)
 159                         tagindex = (int)val->_float;
 160                 // FIXME: calculate tag matrix
 161                 Matrix4x4_CreateIdentity(&tagmatrix);
 162         }
 163         else
 164                 Matrix4x4_CreateIdentity(&tagmatrix);
 165
 166         if (renderflags & RF_USEAXIS)
 167         {
 168                 vec3_t left;
 169                 VectorNegate(prog->globals.client->v_right, left);
 170                 Matrix4x4_FromVectors(&matrix2, prog->globals.client->v_forward, left, prog->globals.client->v_up, ed->fields.client->origin);
 171                 Matrix4x4_Scale(&matrix2, scale, 1);
 172         }
 173         else
 174         {
 175                 vec3_t angles;
 176                 VectorCopy(ed->fields.client->angles, angles);
 177                 // if model is alias, reverse pitch direction
 178                 if (e->render.model->type == mod_alias)
 179                         angles[0] = -angles[0];
 180
 181                 // set up the render matrix
 182                 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);
 183         }
 184
 185         // set up the animation data
 186         // self.frame is the interpolation target (new frame)
 187         // self.frame1time is the animation base time for the interpolation target
 188         // self.frame2 is the interpolation start (previous frame)
 189         // self.frame2time is the animation base time for the interpolation start
 190         e->render.frame1 = e->render.frame2 = ed->fields.client->frame;
 191         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) e->render.frame2 = val->_float;
 192         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) e->render.frame2time = val->_float;
 193         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) e->render.frame1time = val->_float;
 194         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) e->render.framelerp = val->_float;
 195
 196         // concat the matrices to make the entity relative to its tag
 197         Matrix4x4_Concat(&e->render.matrix, &tagmatrix, &matrix2);
 198
 199         if(renderflags)
 200         {
 201                 if(renderflags & RF_VIEWMODEL)  e->render.flags |= RENDER_VIEWMODEL;
 202                 if(renderflags & RF_EXTERNALMODEL)e->render.flags |= RENDER_EXTERIORMODEL;
 203                 if(renderflags & RF_DEPTHHACK)  e->render.effects |= EF_NODEPTHTEST;
 204                 if(renderflags & RF_ADDITIVE)           e->render.effects |= EF_ADDITIVE;
 205         }
 206
 207         c = (int)ed->fields.client->colormap;
 208         if (c <= 0)
 209                 CL_SetEntityColormapColors(&e->render, -1);
 210         else if (c <= cl.maxclients && cl.scores != NULL)
 211                 CL_SetEntityColormapColors(&e->render, cl.scores[c-1].colors);
 212         else
 213                 CL_SetEntityColormapColors(&e->render, c);
 214
 215         // either fullbright or lit
 216         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 217                 e->render.flags |= RENDER_LIGHT;
 218         // hide player shadow during intermission or nehahra movie
 219         if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 220          &&  (e->render.alpha >= 1)
 221          && !(e->render.flags & RENDER_VIEWMODEL)
 222          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 223                 e->render.flags |= RENDER_SHADOW;
 224         if (e->render.flags & RENDER_VIEWMODEL)
 225                 e->render.flags |= RENDER_NOSELFSHADOW;
 226
 227         // make the other useful stuff
 228         CL_UpdateRenderEntity(&e->render);
 229
 230         return true;
 231 }
 232
 233 qboolean CL_VM_InputEvent (qboolean down, int key)
 234 {
 235         qboolean r;
 236         if(!cl.csqc_loaded)
 237                 return false;
 238         CSQC_BEGIN
 239                 if (!prog->funcoffsets.CSQC_InputEvent)
 240                         r = false;
 241                 else
 242                 {
 243                         prog->globals.client->time = cl.time;
 244                         PRVM_G_FLOAT(OFS_PARM0) = !down; // 0 is down, 1 is up
 245                         PRVM_G_FLOAT(OFS_PARM1) = key;
 246                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 247                         r = CSQC_RETURNVAL;
 248                 }
 249         CSQC_END
 250         return r;
 251 }
 252
 253 qboolean CL_VM_UpdateView (void)
 254 {
 255         vec3_t emptyvector;
 256         emptyvector[0] = 0;
 257         emptyvector[1] = 0;
 258         emptyvector[2] = 0;
 259 //      vec3_t oldangles;
 260         if(!cl.csqc_loaded)
 261                 return false;
 262         CSQC_BEGIN
 263                 //VectorCopy(cl.viewangles, oldangles);
 264                 prog->globals.client->time = cl.time;
 265                 CSQC_SetGlobals();
 266                 // clear renderable entity and light lists to prevent crashes if the
 267                 // CSQC_UpdateView function does not call R_ClearScene as it should
 268                 r_refdef.numentities = 0;
 269                 r_refdef.numlights = 0;
 270                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 271                 //VectorCopy(oldangles, cl.viewangles);
 272                 // Dresk : Reset Dmg Globals Here
 273                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 274         CSQC_END
 275         return true;
 276 }
 277
 278 extern sizebuf_t vm_tempstringsbuf;
 279 qboolean CL_VM_ConsoleCommand (const char *cmd)
 280 {
 281         int restorevm_tempstringsbuf_cursize;
 282         qboolean r = false;
 283         if(!cl.csqc_loaded)
 284                 return false;
 285         CSQC_BEGIN
 286         if (prog->funcoffsets.CSQC_ConsoleCommand)
 287         {
 288                 prog->globals.client->time = cl.time;
 289                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 290                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 291                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 292                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 293                 r = CSQC_RETURNVAL;
 294         }
 295         CSQC_END
 296         return r;
 297 }
 298
 299 qboolean CL_VM_Parse_TempEntity (void)
 300 {
 301         int                     t;
 302         qboolean        r = false;
 303         if(!cl.csqc_loaded)
 304                 return false;
 305         CSQC_BEGIN
 306         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 307         {
 308                 t = msg_readcount;
 309                 prog->globals.client->time = cl.time;
 310                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 311                 r = CSQC_RETURNVAL;
 312                 if(!r)
 313                 {
 314                         msg_readcount = t;
 315                         msg_badread = false;
 316                 }
 317         }
 318         CSQC_END
 319         return r;
 320 }
 321
 322 void CL_VM_Parse_StuffCmd (const char *msg)
 323 {
 324         int restorevm_tempstringsbuf_cursize;
 325         if(msg[0] == 'c')
 326         if(msg[1] == 's')
 327         if(msg[2] == 'q')
 328         if(msg[3] == 'c')
 329         {
 330                 // if this is setting a csqc variable, deprotect csqc_progcrc
 331                 // temporarily so that it can be set by the cvar command,
 332                 // and then reprotect it afterwards
 333                 int crcflags = csqc_progcrc.flags;
 334                 int sizeflags = csqc_progcrc.flags;
 335                 csqc_progcrc.flags &= ~CVAR_READONLY;
 336                 csqc_progsize.flags &= ~CVAR_READONLY;
 337                 Cmd_ExecuteString (msg, src_command);
 338                 csqc_progcrc.flags = crcflags;
 339                 csqc_progsize.flags = sizeflags;
 340                 return;
 341         }
 342         if(!cl.csqc_loaded)
 343         {
 344                 Cbuf_AddText(msg);
 345                 return;
 346         }
 347         CSQC_BEGIN
 348         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 349         {
 350                 prog->globals.client->time = cl.time;
 351                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 352                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 353                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 354                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 355         }
 356         else
 357                 Cbuf_AddText(msg);
 358         CSQC_END
 359 }
 360
 361 static void CL_VM_Parse_Print (const char *msg)
 362 {
 363         int restorevm_tempstringsbuf_cursize;
 364         prog->globals.client->time = cl.time;
 365         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 366         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 367         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 368         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 369 }
 370
 371 void CSQC_AddPrintText (const char *msg)
 372 {
 373         size_t i;
 374         if(!cl.csqc_loaded)
 375         {
 376                 Con_Print(msg);
 377                 return;
 378         }
 379         CSQC_BEGIN
 380         if(prog->funcoffsets.CSQC_Parse_Print)
 381         {
 382                 // FIXME: is this bugged?
 383                 i = strlen(msg)-1;
 384                 if(msg[i] != '\n' && msg[i] != '\r')
 385                 {
 386                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 387                         {
 388                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 389                                 cl.csqc_printtextbuf[0] = 0;
 390                         }
 391                         else
 392                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 393                         return;
 394                 }
 395                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 396                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 397                 cl.csqc_printtextbuf[0] = 0;
 398         }
 399         else
 400                 Con_Print(msg);
 401         CSQC_END
 402 }
 403
 404 void CL_VM_Parse_CenterPrint (const char *msg)
 405 {
 406         int restorevm_tempstringsbuf_cursize;
 407         if(!cl.csqc_loaded)
 408         {
 409                 SCR_CenterPrint((char*)msg);
 410                 return;
 411         }
 412         CSQC_BEGIN
 413         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 414         {
 415                 prog->globals.client->time = cl.time;
 416                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 417                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 418                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 419                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 420         }
 421         else
 422                 SCR_CenterPrint((char*)msg);
 423         CSQC_END
 424 }
 425
 426 void CL_VM_UpdateIntermissionState (int intermission)
 427 {
 428         prvm_eval_t *val;
 429         if(cl.csqc_loaded)
 430         {
 431                 CSQC_BEGIN
 432                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.intermission);
 433                 if(val)
 434                         val->_float = intermission;
 435                 CSQC_END
 436         }
 437 }
 438 void CL_VM_UpdateShowingScoresState (int showingscores)
 439 {
 440         prvm_eval_t *val;
 441         if(cl.csqc_loaded)
 442         {
 443                 CSQC_BEGIN
 444                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.sb_showscores);
 445                 if(val)
 446                         val->_float = showingscores;
 447                 CSQC_END
 448         }
 449 }
 450 qboolean CL_VM_Event_Sound(int sound_num, int volume, int channel, float attenuation, int ent, vec3_t pos)
 451 {
 452         qboolean r = false;
 453         if(cl.csqc_loaded)
 454         {
 455                 CSQC_BEGIN
 456                 if(prog->funcoffsets.CSQC_Event_Sound)
 457                 {
 458                         prog->globals.client->time = cl.time;
 459                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 460                         PRVM_G_FLOAT(OFS_PARM1) = channel;
 461                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 462                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 463                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 464                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 465                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event_Sound, "QC function CSQC_Event_Sound is missing");
 466                         r = CSQC_RETURNVAL;
 467                 }
 468                 CSQC_END
 469         }
 470
 471         return r;
 472 }
 473 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 474 {
 475         // Avoid global names for clean(er) coding
 476         int localcoop;
 477         int localdeathmatch;
 478
 479         prvm_eval_t *val;
 480         if(cl.csqc_loaded)
 481         {
 482                 if(gametype == GAME_COOP)
 483                 {
 484                         localcoop = 1;
 485                         localdeathmatch = 0;
 486                 }
 487                 else
 488                 if(gametype == GAME_DEATHMATCH)
 489                 {
 490                         localcoop = 0;
 491                         localdeathmatch = 1;
 492                 }
 493                 else
 494                 {
 495                         // How did the ServerInfo send an unknown gametype?
 496                         // Better just assign the globals as 0...
 497                         localcoop = 0;
 498                         localdeathmatch = 0;
 499                 }
 500                 CSQC_BEGIN
 501                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.coop);
 502                 if(val)
 503                         val->_float = localcoop;
 504                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.deathmatch);
 505                 if(val)
 506                         val->_float = localdeathmatch;
 507                 CSQC_END
 508         }
 509 }
 510 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 511 {
 512         float r = 0;
 513         if(!cl.csqc_loaded)
 514                 return 0;
 515         CSQC_BEGIN
 516         if(prog->funcoffsets.CSQC_Event)
 517         {
 518                 prog->globals.client->time = cl.time;
 519                 PRVM_G_FLOAT(OFS_PARM0) = event;
 520                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 521                 r = CSQC_RETURNVAL;
 522         }
 523         CSQC_END
 524         return r;
 525 }
 526
 527 void CSQC_ReadEntities (void)
 528 {
 529         unsigned short entnum, oldself, realentnum;
 530         if(!cl.csqc_loaded)
 531         {
 532                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 533                 return;
 534         }
 535
 536         CSQC_BEGIN
 537                 prog->globals.client->time = cl.time;
 538                 oldself = prog->globals.client->self;
 539                 while(1)
 540                 {
 541                         entnum = MSG_ReadShort();
 542                         if(!entnum || msg_badread)
 543                                 return;
 544                         realentnum = entnum & 0x7FFF;
 545                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 546                         if(entnum & 0x8000)
 547                         {
 548                                 if(prog->globals.client->self)
 549                                 {
 550                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 551                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 552                                 }
 553                                 else
 554                                         Con_Printf("Smth bad happens in csqc...\n");    //[515]: never happens ?
 555                         }
 556                         else
 557                         {
 558                                 if(!prog->globals.client->self)
 559                                 {
 560                                         prvm_edict_t    *ed;
 561                                         ed = PRVM_ED_Alloc();
 562                                         ed->fields.client->entnum = realentnum;
 563                                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 564                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 565                                 }
 566                                 else
 567                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 568                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 569                         }
 570                 }
 571                 prog->globals.client->self = oldself;
 572         CSQC_END
 573 }
 574
 575 void CL_VM_CB_BeginIncreaseEdicts(void)
 576 {
 577         int i;
 578         prvm_edict_t *ent;
 579
 580         // links don't survive the transition, so unlink everything
 581         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 582         {
 583                 if (!ent->priv.server->free)
 584                         World_UnlinkEdict(prog->edicts + i);
 585                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
 586         }
 587         World_Clear(&cl.world);
 588 }
 589
 590 void CL_VM_CB_EndIncreaseEdicts(void)
 591 {
 592         int i;
 593         prvm_edict_t *ent;
 594
 595         // link every entity except world
 596         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 597                 if (!ent->priv.server->free)
 598                         CL_LinkEdict(ent);
 599 }
 600
 601 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 602 {
 603         e->priv.server->move = false; // don't move on first frame
 604 }
 605
 606 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 607 {
 608         World_UnlinkEdict(ed);
 609         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 610 }
 611
 612 void CL_VM_CB_CountEdicts(void)
 613 {
 614         int             i;
 615         prvm_edict_t    *ent;
 616         int             active = 0, models = 0, solid = 0;
 617
 618         for (i=0 ; i<prog->num_edicts ; i++)
 619         {
 620                 ent = PRVM_EDICT_NUM(i);
 621                 if (ent->priv.server->free)
 622                         continue;
 623                 active++;
 624                 if (ent->fields.client->solid)
 625                         solid++;
 626                 if (ent->fields.client->model)
 627                         models++;
 628         }
 629
 630         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 631         Con_Printf("active    :%3i\n", active);
 632         Con_Printf("view      :%3i\n", models);
 633         Con_Printf("touch     :%3i\n", solid);
 634 }
 635
 636 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 637 {
 638         return true;
 639 }
 640
 641 void Cmd_ClearCsqcFuncs (void);
 642
 643 void CL_VM_Init (void)
 644 {
 645         unsigned char *csprogsdata;
 646         fs_offset_t csprogsdatasize;
 647         int csprogsdatacrc, requiredcrc;
 648         int requiredsize;
 649         prvm_eval_t *val;
 650
 651         // reset csqc_progcrc after reading it, so that changing servers doesn't
 652         // expect csqc on the next server
 653         requiredcrc = csqc_progcrc.integer;
 654         requiredsize = csqc_progsize.integer;
 655         Cvar_SetValueQuick(&csqc_progcrc, -1);
 656         Cvar_SetValueQuick(&csqc_progsize, -1);
 657
 658         // if the server is not requesting a csprogs, then we're done here
 659         if (requiredcrc < 0)
 660                 return;
 661
 662         // see if the requested csprogs.dat file matches the requested crc
 663         csprogsdatacrc = -1;
 664         csprogsdata = FS_LoadFile(va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc), tempmempool, true, &csprogsdatasize);
 665         if (!csprogsdata)
 666                 csprogsdata = FS_LoadFile(csqc_progname.string, tempmempool, true, &csprogsdatasize);
 667         if (csprogsdata)
 668         {
 669                 csprogsdatacrc = CRC_Block(csprogsdata, csprogsdatasize);
 670                 Mem_Free(csprogsdata);
 671                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 672                 {
 673                         if (cls.demoplayback)
 674                         {
 675                                 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);
 676                                 return;
 677                         }
 678                         else
 679                         {
 680                                 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);
 681                                 CL_Disconnect();
 682                                 return;
 683                         }
 684                 }
 685         }
 686         else
 687         {
 688                 if (requiredcrc >= 0)
 689                 {
 690                         if (cls.demoplayback)
 691                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 692                         else
 693                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 694                         CL_Disconnect();
 695                 }
 696                 return;
 697         }
 698
 699         PRVM_Begin;
 700         PRVM_InitProg(PRVM_CLIENTPROG);
 701
 702         // allocate the mempools
 703         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 704         prog->headercrc = CL_PROGHEADER_CRC;
 705         prog->edictprivate_size = 0; // no private struct used
 706         prog->name = CL_NAME;
 707         prog->num_edicts = 1;
 708         prog->max_edicts = 512;
 709         prog->limit_edicts = CL_MAX_EDICTS;
 710         prog->reserved_edicts = 0;
 711         prog->edictprivate_size = sizeof(edict_engineprivate_t);
 712         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
 713         prog->extensionstring = vm_sv_extensions;
 714         prog->builtins = vm_cl_builtins;
 715         prog->numbuiltins = vm_cl_numbuiltins;
 716         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
 717         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
 718         prog->init_edict = CL_VM_CB_InitEdict;
 719         prog->free_edict = CL_VM_CB_FreeEdict;
 720         prog->count_edicts = CL_VM_CB_CountEdicts;
 721         prog->load_edict = CL_VM_CB_LoadEdict;
 722         prog->init_cmd = VM_CL_Cmd_Init;
 723         prog->reset_cmd = VM_CL_Cmd_Reset;
 724         prog->error_cmd = CL_VM_Error;
 725
 726         PRVM_LoadProgs(csqc_progname.string, cl_numrequiredfunc, cl_required_func, 0, NULL, 0, NULL);
 727
 728         if (!prog->loaded)
 729         {
 730                 CL_VM_Error("CSQC ^2failed to load\n");
 731                 if(!sv.active)
 732                         CL_Disconnect();
 733                 return;
 734         }
 735
 736         Con_Printf("CSQC ^5loaded (crc=%i, size=%i)\n", csprogsdatacrc, (int)csprogsdatasize);
 737
 738         // check if OP_STATE animation is possible in this dat file
 739         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
 740                 prog->flag |= PRVM_OP_STATE;
 741
 742         // set time
 743         prog->globals.client->time = cl.time;
 744
 745         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldmodel->name);
 746         prog->globals.client->player_localentnum = cl.playerentity;
 747
 748         // set map description (use world entity 0)
 749         val = PRVM_EDICTFIELDVALUE(prog->edicts, prog->fieldoffsets.message);
 750         if(val)
 751                 val->string = PRVM_SetEngineString(cl.levelname);
 752
 753         // call the prog init
 754         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
 755
 756         PRVM_End;
 757         cl.csqc_loaded = true;
 758
 759         cl.csqc_vidvars.drawcrosshair = false;
 760         cl.csqc_vidvars.drawenginesbar = false;
 761
 762         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
 763         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
 764 }
 765
 766 void CL_VM_ShutDown (void)
 767 {
 768         Cmd_ClearCsqcFuncs();
 769         Cvar_SetValueQuick(&csqc_progcrc, -1);
 770         Cvar_SetValueQuick(&csqc_progsize, -1);
 771         if(!cl.csqc_loaded)
 772                 return;
 773         CSQC_BEGIN
 774                 prog->globals.client->time = cl.time;
 775                 if (prog->funcoffsets.CSQC_Shutdown)
 776                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
 777                 PRVM_ResetProg();
 778         CSQC_END
 779         Con_Print("CSQC ^1unloaded\n");
 780         cl.csqc_loaded = false;
 781 }