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                 prog->globals.client->input_buttons = cl.movecmd[0].buttons;
  82                 VectorSet(prog->globals.client->input_movevalues, cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
  83                 //VectorCopy(cl.movement_origin, cl.csqc_origin);
  84                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, cl.csqc_origin);
  85                 if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.view_angles)))
  86                         VectorCopy(cl.viewangles, val->vector);
  87                 prog->globals.client->maxclients = cl.maxclients;
  88         CSQC_END
  89 }
  90
  91 void CSQC_Predraw (prvm_edict_t *ed)
  92 {
  93         int b;
  94         if(!ed->fields.client->predraw)
  95                 return;
  96         b = prog->globals.client->self;
  97         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
  98         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
  99         prog->globals.client->self = b;
 100 }
 101
 102 void CSQC_Think (prvm_edict_t *ed)
 103 {
 104         int b;
 105         if(ed->fields.client->think)
 106         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 107         {
 108                 ed->fields.client->nextthink = 0;
 109                 b = prog->globals.client->self;
 110                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 111                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 112                 prog->globals.client->self = b;
 113         }
 114 }
 115
 116 extern cvar_t cl_noplayershadow;
 117 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed)
 118 {
 119         int renderflags;
 120         float scale;
 121         prvm_eval_t *val;
 122         entity_t *e;
 123         model_t *model;
 124         matrix4x4_t tagmatrix, matrix2;
 125
 126         model = CL_GetModelFromEdict(ed);
 127         if (!model)
 128                 return false;
 129
 130         e = CL_NewTempEntity();
 131         if (!e)
 132                 return false;
 133
 134         e->render.model = model;
 135         e->render.colormap = (int)ed->fields.client->colormap;
 136         e->render.skinnum = (int)ed->fields.client->skin;
 137         e->render.effects |= e->render.model->effects;
 138         scale = 1;
 139         renderflags = 0;
 140         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.renderflags)) && val->_float)     renderflags = (int)val->_float;
 141         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.alpha)) && val->_float)           e->render.alpha = val->_float;
 142         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.scale)) && val->_float)           e->render.scale = scale = val->_float;
 143         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, e->render.colormod);
 144         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.effects)) && val->_float) e->render.effects |= (int)val->_float;
 145         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_entity)) && val->edict)
 146         {
 147                 int tagentity;
 148                 int tagindex = 0;
 149                 tagentity = val->edict;
 150                 if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_index)) && val->_float)
 151                         tagindex = (int)val->_float;
 152                 // FIXME: calculate tag matrix
 153                 Matrix4x4_CreateIdentity(&tagmatrix);
 154         }
 155         else
 156                 Matrix4x4_CreateIdentity(&tagmatrix);
 157
 158         if (renderflags & RF_USEAXIS)
 159         {
 160                 vec3_t left;
 161                 VectorNegate(prog->globals.client->v_right, left);
 162                 Matrix4x4_FromVectors(&matrix2, prog->globals.client->v_forward, left, prog->globals.client->v_up, ed->fields.client->origin);
 163                 Matrix4x4_Scale(&matrix2, scale, 1);
 164         }
 165         else
 166         {
 167                 vec3_t angles;
 168                 VectorCopy(ed->fields.client->angles, angles);
 169                 // if model is alias, reverse pitch direction
 170                 if (e->render.model->type == mod_alias)
 171                         angles[0] = -angles[0];
 172
 173                 // set up the render matrix
 174                 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);
 175         }
 176
 177         // set up the animation data
 178         // self.frame is the interpolation target (new frame)
 179         // self.frame1time is the animation base time for the interpolation target
 180         // self.frame2 is the interpolation start (previous frame)
 181         // self.frame2time is the animation base time for the interpolation start
 182         e->render.frame1 = e->render.frame2 = ed->fields.client->frame;
 183         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) e->render.frame2 = val->_float;
 184         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) e->render.frame2time = val->_float;
 185         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) e->render.frame1time = val->_float;
 186         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) e->render.framelerp = val->_float;
 187
 188         // concat the matrices to make the entity relative to its tag
 189         Matrix4x4_Concat(&e->render.matrix, &tagmatrix, &matrix2);
 190         // make the other useful stuff
 191         CL_UpdateRenderEntity(&e->render);
 192
 193         if(renderflags)
 194         {
 195                 if(renderflags & RF_VIEWMODEL)  e->render.flags |= RENDER_VIEWMODEL;
 196                 if(renderflags & RF_EXTERNALMODEL)e->render.flags |= RENDER_EXTERIORMODEL;
 197                 if(renderflags & RF_DEPTHHACK)  e->render.effects |= EF_NODEPTHTEST;
 198                 if(renderflags & RF_ADDITIVE)           e->render.effects |= EF_ADDITIVE;
 199         }
 200
 201         if ((e->render.colormap > 0 && e->render.colormap <= cl.maxclients) || e->render.colormap >= 1024)
 202         {
 203                 unsigned char *cbcolor;
 204                 int palcol;
 205                 if (e->render.colormap >= 1024)
 206                         palcol = (unsigned char)(e->render.colormap-1024);
 207                 else
 208                         palcol = cl.scores[e->render.colormap-1].colors;
 209
 210                 cbcolor = (unsigned char *) (&palette_pantscolormap[palcol & 0xF]);
 211                 e->render.colormap_pantscolor[0] = cbcolor[0] * (1.0f / 255.0f);
 212                 e->render.colormap_pantscolor[1] = cbcolor[1] * (1.0f / 255.0f);
 213                 e->render.colormap_pantscolor[2] = cbcolor[2] * (1.0f / 255.0f);
 214                 cbcolor = (unsigned char *) (&palette_shirtcolormap[(palcol & 0xF0) >> 4]);
 215                 e->render.colormap_shirtcolor[0] = cbcolor[0] * (1.0f / 255.0f);
 216                 e->render.colormap_shirtcolor[1] = cbcolor[1] * (1.0f / 255.0f);
 217                 e->render.colormap_shirtcolor[2] = cbcolor[2] * (1.0f / 255.0f);
 218         }
 219
 220         // either fullbright or lit
 221         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 222                 e->render.flags |= RENDER_LIGHT;
 223         // hide player shadow during intermission or nehahra movie
 224         if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 225          &&  (e->render.alpha >= 1)
 226          && !(e->render.flags & RENDER_VIEWMODEL)
 227          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 228                 e->render.flags |= RENDER_SHADOW;
 229         if (e->render.flags & RENDER_VIEWMODEL)
 230                 e->render.flags |= RENDER_NOSELFSHADOW;
 231
 232         return true;
 233 }
 234
 235 qboolean CL_VM_InputEvent (qboolean pressed, int key)
 236 {
 237         qboolean r;
 238         if(!cl.csqc_loaded)
 239                 return false;
 240         CSQC_BEGIN
 241                 if (!prog->funcoffsets.CSQC_InputEvent)
 242                         r = false;
 243                 else
 244                 {
 245                         prog->globals.client->time = cl.time;
 246                         PRVM_G_FLOAT(OFS_PARM0) = pressed;
 247                         PRVM_G_FLOAT(OFS_PARM1) = key;
 248                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 249                         r = CSQC_RETURNVAL;
 250                 }
 251         CSQC_END
 252         return r;
 253 }
 254
 255 qboolean CL_VM_UpdateView (void)
 256 {
 257         vec3_t emptyvector;
 258         emptyvector[0] = 0;
 259         emptyvector[1] = 0;
 260         emptyvector[2] = 0;
 261 //      vec3_t oldangles;
 262         if(!cl.csqc_loaded)
 263                 return false;
 264         CSQC_BEGIN
 265                 //VectorCopy(cl.viewangles, oldangles);
 266                 prog->globals.client->time = cl.time;
 267                 CSQC_SetGlobals();
 268                 // clear renderable entity and light lists to prevent crashes if the
 269                 // CSQC_UpdateView function does not call R_ClearScene as it should
 270                 r_refdef.numentities = 0;
 271                 r_refdef.numlights = 0;
 272                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 273                 //VectorCopy(oldangles, cl.viewangles);
 274                 // Dresk : Reset Dmg Globals Here
 275                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 276         CSQC_END
 277         return true;
 278 }
 279
 280 extern sizebuf_t vm_tempstringsbuf;
 281 qboolean CL_VM_ConsoleCommand (const char *cmd)
 282 {
 283         int restorevm_tempstringsbuf_cursize;
 284         qboolean r = false;
 285         if(!cl.csqc_loaded)
 286                 return false;
 287         CSQC_BEGIN
 288         if (prog->funcoffsets.CSQC_ConsoleCommand)
 289         {
 290                 prog->globals.client->time = cl.time;
 291                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 292                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 293                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 294                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 295                 r = CSQC_RETURNVAL;
 296         }
 297         CSQC_END
 298         return r;
 299 }
 300
 301 qboolean CL_VM_Parse_TempEntity (void)
 302 {
 303         int                     t;
 304         qboolean        r = false;
 305         if(!cl.csqc_loaded)
 306                 return false;
 307         CSQC_BEGIN
 308         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 309         {
 310                 t = msg_readcount;
 311                 prog->globals.client->time = cl.time;
 312                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 313                 r = CSQC_RETURNVAL;
 314                 if(!r)
 315                 {
 316                         msg_readcount = t;
 317                         msg_badread = false;
 318                 }
 319         }
 320         CSQC_END
 321         return r;
 322 }
 323
 324 void CL_VM_Parse_StuffCmd (const char *msg)
 325 {
 326         int restorevm_tempstringsbuf_cursize;
 327         if(msg[0] == 'c')
 328         if(msg[1] == 's')
 329         if(msg[2] == 'q')
 330         if(msg[3] == 'c')
 331         {
 332                 // if this is setting a csqc variable, deprotect csqc_progcrc
 333                 // temporarily so that it can be set by the cvar command,
 334                 // and then reprotect it afterwards
 335                 int crcflags = csqc_progcrc.flags;
 336                 int sizeflags = csqc_progcrc.flags;
 337                 csqc_progcrc.flags &= ~CVAR_READONLY;
 338                 csqc_progsize.flags &= ~CVAR_READONLY;
 339                 Cmd_ExecuteString (msg, src_command);
 340                 csqc_progcrc.flags = crcflags;
 341                 csqc_progsize.flags = sizeflags;
 342                 return;
 343         }
 344         if(!cl.csqc_loaded)
 345         {
 346                 Cbuf_AddText(msg);
 347                 return;
 348         }
 349         CSQC_BEGIN
 350         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 351         {
 352                 prog->globals.client->time = cl.time;
 353                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 354                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 355                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 356                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 357         }
 358         else
 359                 Cbuf_AddText(msg);
 360         CSQC_END
 361 }
 362
 363 static void CL_VM_Parse_Print (const char *msg)
 364 {
 365         int restorevm_tempstringsbuf_cursize;
 366         prog->globals.client->time = cl.time;
 367         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 368         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 369         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 370         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 371 }
 372
 373 void CSQC_AddPrintText (const char *msg)
 374 {
 375         size_t i;
 376         if(!cl.csqc_loaded)
 377         {
 378                 Con_Print(msg);
 379                 return;
 380         }
 381         CSQC_BEGIN
 382         if(prog->funcoffsets.CSQC_Parse_Print)
 383         {
 384                 // FIXME: is this bugged?
 385                 i = strlen(msg)-1;
 386                 if(msg[i] != '\n' && msg[i] != '\r')
 387                 {
 388                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 389                         {
 390                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 391                                 cl.csqc_printtextbuf[0] = 0;
 392                         }
 393                         else
 394                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 395                         return;
 396                 }
 397                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 398                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 399                 cl.csqc_printtextbuf[0] = 0;
 400         }
 401         else
 402                 Con_Print(msg);
 403         CSQC_END
 404 }
 405
 406 void CL_VM_Parse_CenterPrint (const char *msg)
 407 {
 408         int restorevm_tempstringsbuf_cursize;
 409         if(!cl.csqc_loaded)
 410         {
 411                 SCR_CenterPrint((char*)msg);
 412                 return;
 413         }
 414         CSQC_BEGIN
 415         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 416         {
 417                 prog->globals.client->time = cl.time;
 418                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 419                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 420                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 421                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 422         }
 423         else
 424                 SCR_CenterPrint((char*)msg);
 425         CSQC_END
 426 }
 427
 428 void CL_VM_UpdateIntermissionState (int intermission)
 429 {
 430         prvm_eval_t *val;
 431         if(cl.csqc_loaded)
 432         {
 433                 CSQC_BEGIN
 434                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.intermission);
 435                 if(val)
 436                         val->_float = intermission;
 437                 CSQC_END
 438         }
 439 }
 440 void CL_VM_UpdateShowingScoresState (int showingscores)
 441 {
 442         prvm_eval_t *val;
 443         if(cl.csqc_loaded)
 444         {
 445                 CSQC_BEGIN
 446                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.sb_showscores);
 447                 if(val)
 448                         val->_float = showingscores;
 449                 CSQC_END
 450         }
 451 }
 452 qboolean CL_VM_Event_Sound(int sound_num, int volume, int channel, float attenuation, int ent, vec3_t pos)
 453 {
 454         qboolean r = false;
 455         if(cl.csqc_loaded)
 456         {
 457                 CSQC_BEGIN
 458                 if(prog->funcoffsets.CSQC_Event_Sound)
 459                 {
 460                         prog->globals.client->time = cl.time;
 461                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 462                         PRVM_G_FLOAT(OFS_PARM1) = channel;
 463                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 464                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 465                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 466                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 467                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event_Sound, "QC function CSQC_Event_Sound is missing");
 468                         r = CSQC_RETURNVAL;
 469                 }
 470                 CSQC_END
 471         }
 472
 473         return r;
 474 }
 475 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 476 {
 477         // Avoid global names for clean(er) coding
 478         int localcoop;
 479         int localdeathmatch;
 480
 481         prvm_eval_t *val;
 482         if(cl.csqc_loaded)
 483         {
 484                 if(gametype == GAME_COOP)
 485                 {
 486                         localcoop = 1;
 487                         localdeathmatch = 0;
 488                 }
 489                 else
 490                 if(gametype == GAME_DEATHMATCH)
 491                 {
 492                         localcoop = 0;
 493                         localdeathmatch = 1;
 494                 }
 495                 else
 496                 {
 497                         // How did the ServerInfo send an unknown gametype?
 498                         // Better just assign the globals as 0...
 499                         localcoop = 0;
 500                         localdeathmatch = 0;
 501                 }
 502                 CSQC_BEGIN
 503                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.coop);
 504                 if(val)
 505                         val->_float = localcoop;
 506                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.deathmatch);
 507                 if(val)
 508                         val->_float = localdeathmatch;
 509                 CSQC_END
 510         }
 511 }
 512 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 513 {
 514         float r = 0;
 515         if(!cl.csqc_loaded)
 516                 return 0;
 517         CSQC_BEGIN
 518         if(prog->funcoffsets.CSQC_Event)
 519         {
 520                 prog->globals.client->time = cl.time;
 521                 PRVM_G_FLOAT(OFS_PARM0) = event;
 522                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 523                 r = CSQC_RETURNVAL;
 524         }
 525         CSQC_END
 526         return r;
 527 }
 528
 529 void CSQC_ReadEntities (void)
 530 {
 531         unsigned short entnum, oldself, realentnum;
 532         if(!cl.csqc_loaded)
 533         {
 534                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 535                 return;
 536         }
 537
 538         CSQC_BEGIN
 539                 prog->globals.client->time = cl.time;
 540                 oldself = prog->globals.client->self;
 541                 while(1)
 542                 {
 543                         entnum = MSG_ReadShort();
 544                         if(!entnum || msg_badread)
 545                                 return;
 546                         realentnum = entnum & 0x7FFF;
 547                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 548                         if(entnum & 0x8000)
 549                         {
 550                                 if(prog->globals.client->self)
 551                                 {
 552                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 553                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 554                                 }
 555                                 else
 556                                         Con_Printf("Smth bad happens in csqc...\n");    //[515]: never happens ?
 557                         }
 558                         else
 559                         {
 560                                 if(!prog->globals.client->self)
 561                                 {
 562                                         prvm_edict_t    *ed;
 563                                         ed = PRVM_ED_Alloc();
 564                                         ed->fields.client->entnum = realentnum;
 565                                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 566                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 567                                 }
 568                                 else
 569                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 570                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 571                         }
 572                 }
 573                 prog->globals.client->self = oldself;
 574         CSQC_END
 575 }
 576
 577 void CL_VM_CB_BeginIncreaseEdicts(void)
 578 {
 579         int i;
 580         prvm_edict_t *ent;
 581
 582         // links don't survive the transition, so unlink everything
 583         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 584         {
 585                 if (!ent->priv.server->free)
 586                         World_UnlinkEdict(prog->edicts + i);
 587                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
 588         }
 589         World_Clear(&cl.world);
 590 }
 591
 592 void CL_VM_CB_EndIncreaseEdicts(void)
 593 {
 594         int i;
 595         prvm_edict_t *ent;
 596
 597         // link every entity except world
 598         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 599                 if (!ent->priv.server->free)
 600                         CL_LinkEdict(ent);
 601 }
 602
 603 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 604 {
 605         e->priv.server->move = false; // don't move on first frame
 606 }
 607
 608 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 609 {
 610         World_UnlinkEdict(ed);
 611         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 612 }
 613
 614 void CL_VM_CB_CountEdicts(void)
 615 {
 616         int             i;
 617         prvm_edict_t    *ent;
 618         int             active = 0, models = 0, solid = 0;
 619
 620         for (i=0 ; i<prog->num_edicts ; i++)
 621         {
 622                 ent = PRVM_EDICT_NUM(i);
 623                 if (ent->priv.server->free)
 624                         continue;
 625                 active++;
 626                 if (ent->fields.client->solid)
 627                         solid++;
 628                 if (ent->fields.client->model)
 629                         models++;
 630         }
 631
 632         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 633         Con_Printf("active    :%3i\n", active);
 634         Con_Printf("view      :%3i\n", models);
 635         Con_Printf("touch     :%3i\n", solid);
 636 }
 637
 638 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 639 {
 640         return true;
 641 }
 642
 643 void Cmd_ClearCsqcFuncs (void);
 644
 645 void CL_VM_Init (void)
 646 {
 647         unsigned char *csprogsdata;
 648         fs_offset_t csprogsdatasize;
 649         int csprogsdatacrc, requiredcrc;
 650         int requiredsize;
 651         prvm_eval_t *val;
 652
 653         // reset csqc_progcrc after reading it, so that changing servers doesn't
 654         // expect csqc on the next server
 655         requiredcrc = csqc_progcrc.integer;
 656         requiredsize = csqc_progsize.integer;
 657         Cvar_SetValueQuick(&csqc_progcrc, -1);
 658         Cvar_SetValueQuick(&csqc_progsize, -1);
 659
 660         // if the server is not requesting a csprogs, then we're done here
 661         if (requiredcrc < 0)
 662                 return;
 663
 664         // see if the requested csprogs.dat file matches the requested crc
 665         csprogsdatacrc = -1;
 666         csprogsdata = FS_LoadFile(va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc), tempmempool, true, &csprogsdatasize);
 667         if (!csprogsdata)
 668                 csprogsdata = FS_LoadFile(csqc_progname.string, tempmempool, true, &csprogsdatasize);
 669         if (csprogsdata)
 670         {
 671                 csprogsdatacrc = CRC_Block(csprogsdata, csprogsdatasize);
 672                 Mem_Free(csprogsdata);
 673                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 674                 {
 675                         if (cls.demoplayback)
 676                         {
 677                                 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);
 678                                 return;
 679                         }
 680                         else
 681                         {
 682                                 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);
 683                                 CL_Disconnect();
 684                                 return;
 685                         }
 686                 }
 687         }
 688         else
 689         {
 690                 if (requiredcrc >= 0)
 691                 {
 692                         if (cls.demoplayback)
 693                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 694                         else
 695                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 696                         CL_Disconnect();
 697                 }
 698                 return;
 699         }
 700
 701         PRVM_Begin;
 702         PRVM_InitProg(PRVM_CLIENTPROG);
 703
 704         // allocate the mempools
 705         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 706         prog->headercrc = CL_PROGHEADER_CRC;
 707         prog->edictprivate_size = 0; // no private struct used
 708         prog->name = CL_NAME;
 709         prog->num_edicts = 1;
 710         prog->max_edicts = 512;
 711         prog->limit_edicts = CL_MAX_EDICTS;
 712         prog->reserved_edicts = 0;
 713         prog->edictprivate_size = sizeof(edict_engineprivate_t);
 714         prog->extensionstring = vm_sv_extensions;
 715         prog->builtins = vm_cl_builtins;
 716         prog->numbuiltins = vm_cl_numbuiltins;
 717         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
 718         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
 719         prog->init_edict = CL_VM_CB_InitEdict;
 720         prog->free_edict = CL_VM_CB_FreeEdict;
 721         prog->count_edicts = CL_VM_CB_CountEdicts;
 722         prog->load_edict = CL_VM_CB_LoadEdict;
 723         prog->init_cmd = VM_CL_Cmd_Init;
 724         prog->reset_cmd = VM_CL_Cmd_Reset;
 725         prog->error_cmd = CL_VM_Error;
 726
 727         PRVM_LoadProgs(csqc_progname.string, cl_numrequiredfunc, cl_required_func, 0, NULL, 0, NULL);
 728
 729         if (!prog->loaded)
 730         {
 731                 CL_VM_Error("CSQC ^2failed to load\n");
 732                 if(!sv.active)
 733                         CL_Disconnect();
 734                 return;
 735         }
 736
 737         Con_Printf("CSQC ^5loaded (crc=%i, size=%i)\n", csprogsdatacrc, (int)csprogsdatasize);
 738
 739         // check if OP_STATE animation is possible in this dat file
 740         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
 741                 prog->flag |= PRVM_OP_STATE;
 742
 743         // set time
 744         prog->globals.client->time = cl.time;
 745
 746         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldmodel->name);
 747         prog->globals.client->player_localentnum = cl.playerentity;
 748
 749         // set map description (use world entity 0)
 750         val = PRVM_EDICTFIELDVALUE(prog->edicts, prog->fieldoffsets.message);
 751         if(val)
 752                 val->string = PRVM_SetEngineString(cl.levelname);
 753
 754         // call the prog init
 755         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
 756
 757         PRVM_End;
 758         cl.csqc_loaded = true;
 759
 760         cl.csqc_vidvars.drawcrosshair = false;
 761         cl.csqc_vidvars.drawenginesbar = false;
 762
 763         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
 764         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
 765 }
 766
 767 void CL_VM_ShutDown (void)
 768 {
 769         Cmd_ClearCsqcFuncs();
 770         Cvar_SetValueQuick(&csqc_progcrc, -1);
 771         Cvar_SetValueQuick(&csqc_progsize, -1);
 772         if(!cl.csqc_loaded)
 773                 return;
 774         CSQC_BEGIN
 775                 prog->globals.client->time = cl.time;
 776                 if (prog->funcoffsets.CSQC_Shutdown)
 777                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
 778                 PRVM_ResetProg();
 779         CSQC_END
 780         Con_Print("CSQC ^1unloaded\n");
 781         cl.csqc_loaded = false;
 782 }