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         "CSQC_Shutdown"
  24 };
  25
  26 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  27
  28 static char                             *csqc_printtextbuf = NULL;
  29 static unsigned short   *csqc_sv2csqcents;      //[515]: server entities numbers on client side. FIXME : make pointers instead of numbers ?
  30
  31 qboolean csqc_loaded = false;
  32
  33 vec3_t csqc_origin, csqc_angles;
  34 static double csqc_frametime = 0;
  35
  36 static mempool_t *csqc_mempool;
  37
  38 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
  39 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
  40 {
  41         char errorstring[4096];
  42         va_list argptr;
  43
  44         va_start (argptr, format);
  45         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
  46         va_end (argptr);
  47 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
  48
  49         PRVM_Crash();
  50         csqc_loaded = false;
  51         Mem_FreePool(&csqc_mempool);
  52
  53         Cvar_SetValueQuick(&csqc_progcrc, -1);
  54         Cvar_SetValueQuick(&csqc_progsize, -1);
  55
  56 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
  57         Host_Error(va("CL_VM_Error: %s", errorstring));
  58 }
  59
  60 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
  61 static void CSQC_SetGlobals (void)
  62 {
  63         //extern cvar_t sv_accelerate, sv_friction, sv_gravity, sv_stopspeed, sv_maxspeed;
  64
  65         CSQC_BEGIN
  66                 prog->globals.client->time = cl.time;
  67                 prog->globals.client->frametime = cl.time - csqc_frametime;
  68                 csqc_frametime = cl.time;
  69                 prog->globals.client->servercommandframe = cls.servermovesequence;
  70                 prog->globals.client->clientcommandframe = cls.movesequence;
  71                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
  72                 VectorCopy(cl.viewangles, csqc_angles);
  73                 prog->globals.client->input_buttons = cl.cmd.buttons;
  74                 VectorSet(prog->globals.client->input_movevalues, cl.cmd.forwardmove, cl.cmd.sidemove, cl.cmd.upmove);
  75                 //VectorCopy(cl.movement_origin, csqc_origin);
  76                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, csqc_origin);
  77                 VectorCopy(csqc_origin, prog->globals.client->pmove_org);
  78                 prog->globals.client->maxclients = cl.maxclients;
  79                 //VectorCopy(cl.movement_velocity, prog->globals.client->pmove_vel);
  80                 VectorCopy(cl.velocity, prog->globals.client->pmove_vel);
  81         CSQC_END
  82 }
  83
  84 void CSQC_Predraw (prvm_edict_t *ed)
  85 {
  86         int b;
  87         if(!ed->fields.client->predraw)
  88                 return;
  89         b = prog->globals.client->self;
  90         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
  91         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
  92         prog->globals.client->self = b;
  93 }
  94
  95 void CSQC_Think (prvm_edict_t *ed)
  96 {
  97         int b;
  98         if(ed->fields.client->think)
  99         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 100         {
 101                 ed->fields.client->nextthink = 0;
 102                 b = prog->globals.client->self;
 103                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 104                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 105                 prog->globals.client->self = b;
 106         }
 107 }
 108
 109 extern cvar_t cl_noplayershadow;
 110 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed)
 111 {
 112         int renderflags;
 113         float scale;
 114         prvm_eval_t *val;
 115         entity_t *e;
 116         model_t *model;
 117         matrix4x4_t tagmatrix, matrix2;
 118
 119         model = CL_GetModelFromEdict(ed);
 120         if (!model)
 121                 return false;
 122
 123         e = CL_NewTempEntity();
 124         if (!e)
 125                 return false;
 126
 127         e->render.model = model;
 128         e->render.colormap = (int)ed->fields.client->colormap;
 129         e->render.frame = (int)ed->fields.client->frame;
 130         e->render.skinnum = (int)ed->fields.client->skin;
 131         e->render.effects |= e->render.model->flags2 & (EF_FULLBRIGHT | EF_ADDITIVE);
 132         scale = 1;
 133         renderflags = 0;
 134         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.renderflags)) && val->_float)     renderflags = (int)val->_float;
 135         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.alpha)) && val->_float)           e->render.alpha = val->_float;
 136         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.scale)) && val->_float)           e->render.scale = scale = val->_float;
 137         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, e->render.colormod);
 138         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.effects)) && val->_float) e->render.effects = (int)val->_float;
 139         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_entity)) && val->edict)
 140         {
 141                 int tagentity;
 142                 int tagindex = 0;
 143                 tagentity = val->edict;
 144                 if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_index)) && val->_float)
 145                         tagindex = (int)val->_float;
 146                 // FIXME: calculate tag matrix
 147                 Matrix4x4_CreateIdentity(&tagmatrix);
 148         }
 149         else
 150                 Matrix4x4_CreateIdentity(&tagmatrix);
 151
 152         if (renderflags & RF_USEAXIS)
 153         {
 154                 vec3_t left;
 155                 VectorNegate(prog->globals.client->v_right, left);
 156                 Matrix4x4_FromVectors(&matrix2, prog->globals.client->v_forward, left, prog->globals.client->v_up, ed->fields.client->origin);
 157                 Matrix4x4_Scale(&matrix2, scale, 1);
 158         }
 159         else
 160         {
 161                 vec3_t angles;
 162                 VectorCopy(ed->fields.client->angles, angles);
 163                 // if model is alias, reverse pitch direction
 164                 if (e->render.model->type == mod_alias)
 165                         angles[0] = -angles[0];
 166
 167                 // set up the render matrix
 168                 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);
 169         }
 170
 171         // set up the animation data
 172         // self.frame is the interpolation target (new frame)
 173         // self.frame1time is the animation base time for the interpolation target
 174         // self.frame2 is the interpolation start (previous frame)
 175         // self.frame2time is the animation base time for the interpolation start
 176         e->render.frame1 = e->render.frame = ed->fields.client->frame;
 177         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) e->render.frame1 = val->_float;
 178         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) e->render.frame2time = val->_float;
 179         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) e->render.frame1time = val->_float;
 180         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) e->render.framelerp = val->_float;
 181
 182         // concat the matrices to make the entity relative to its tag
 183         Matrix4x4_Concat(&e->render.matrix, &tagmatrix, &matrix2);
 184         // make the other useful stuff
 185         CL_UpdateRenderEntity(&e->render);
 186
 187         if(renderflags)
 188         {
 189                 if(renderflags & RF_VIEWMODEL)  e->render.flags |= RENDER_VIEWMODEL;
 190                 if(renderflags & RF_EXTERNALMODEL)e->render.flags |= RENDER_EXTERIORMODEL;
 191                 if(renderflags & RF_DEPTHHACK)  e->render.effects |= EF_NODEPTHTEST;
 192                 if(renderflags & RF_ADDITIVE)           e->render.effects |= EF_ADDITIVE;
 193         }
 194
 195         // either fullbright or lit
 196         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 197                 e->render.flags |= RENDER_LIGHT;
 198         // hide player shadow during intermission or nehahra movie
 199         if (!(e->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 200          &&  (e->render.alpha >= 1)
 201          && !(e->render.flags & RENDER_VIEWMODEL)
 202          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 203                 e->render.flags |= RENDER_SHADOW;
 204
 205         return true;
 206 }
 207
 208 qboolean CL_VM_InputEvent (qboolean pressed, int key)
 209 {
 210         qboolean r;
 211         if(!csqc_loaded)
 212                 return false;
 213         CSQC_BEGIN
 214                 prog->globals.client->time = cl.time;
 215                 PRVM_G_FLOAT(OFS_PARM0) = pressed;
 216                 PRVM_G_FLOAT(OFS_PARM1) = key;
 217                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 218                 r = CSQC_RETURNVAL;
 219         CSQC_END
 220         return r;
 221 }
 222
 223 qboolean CL_VM_UpdateView (void)
 224 {
 225 //      vec3_t oldangles;
 226         if(!csqc_loaded)
 227                 return false;
 228         CSQC_BEGIN
 229                 //VectorCopy(cl.viewangles, oldangles);
 230                 prog->globals.client->time = cl.time;
 231                 CSQC_SetGlobals();
 232                 // clear renderable entity and light lists to prevent crashes if the
 233                 // CSQC_UpdateView function does not call R_ClearScene as it should
 234                 r_refdef.numentities = 0;
 235                 r_refdef.numlights = 0;
 236                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 237                 //VectorCopy(oldangles, cl.viewangles);
 238         CSQC_END
 239         return true;
 240 }
 241
 242 extern sizebuf_t vm_tempstringsbuf;
 243 qboolean CL_VM_ConsoleCommand (const char *cmd)
 244 {
 245         int restorevm_tempstringsbuf_cursize;
 246         qboolean r;
 247         if(!csqc_loaded)
 248                 return false;
 249         CSQC_BEGIN
 250                 prog->globals.client->time = cl.time;
 251                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 252                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 253                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 254                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 255                 r = CSQC_RETURNVAL;
 256         CSQC_END
 257         return r;
 258 }
 259
 260 qboolean CL_VM_Parse_TempEntity (void)
 261 {
 262         int                     t;
 263         qboolean        r = false;
 264         if(!csqc_loaded)
 265                 return false;
 266         CSQC_BEGIN
 267         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 268         {
 269                 t = msg_readcount;
 270                 prog->globals.client->time = cl.time;
 271                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 272                 r = CSQC_RETURNVAL;
 273                 if(!r)
 274                 {
 275                         msg_readcount = t;
 276                         msg_badread = false;
 277                 }
 278         }
 279         CSQC_END
 280         return r;
 281 }
 282
 283 void CL_VM_Parse_StuffCmd (const char *msg)
 284 {
 285         int restorevm_tempstringsbuf_cursize;
 286         if(msg[0] == 'c')
 287         if(msg[1] == 's')
 288         if(msg[2] == 'q')
 289         if(msg[3] == 'c')
 290         {
 291                 // if this is setting a csqc variable, deprotect csqc_progcrc
 292                 // temporarily so that it can be set by the cvar command,
 293                 // and then reprotect it afterwards
 294                 int crcflags = csqc_progcrc.flags;
 295                 int sizeflags = csqc_progcrc.flags;
 296                 csqc_progcrc.flags &= ~CVAR_READONLY;
 297                 csqc_progsize.flags &= ~CVAR_READONLY;
 298                 Cmd_ExecuteString (msg, src_command);
 299                 csqc_progcrc.flags = crcflags;
 300                 csqc_progsize.flags = sizeflags;
 301                 return;
 302         }
 303         if(!csqc_loaded)
 304         {
 305                 Cbuf_AddText(msg);
 306                 return;
 307         }
 308         CSQC_BEGIN
 309         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 310         {
 311                 prog->globals.client->time = cl.time;
 312                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 313                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 314                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 315                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 316         }
 317         else
 318                 Cbuf_AddText(msg);
 319         CSQC_END
 320 }
 321
 322 static void CL_VM_Parse_Print (const char *msg)
 323 {
 324         int restorevm_tempstringsbuf_cursize;
 325         prog->globals.client->time = cl.time;
 326         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 327         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 328         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 329         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 330 }
 331
 332 void CSQC_AddPrintText (const char *msg)
 333 {
 334         size_t i;
 335         if(!csqc_loaded)
 336         {
 337                 Con_Print(msg);
 338                 return;
 339         }
 340         CSQC_BEGIN
 341         if(prog->funcoffsets.CSQC_Parse_Print)
 342         {
 343                 // FIXME: is this bugged?
 344                 i = strlen(msg)-1;
 345                 if(msg[i] != '\n' && msg[i] != '\r')
 346                 {
 347                         if(strlen(csqc_printtextbuf)+i >= MAX_INPUTLINE)
 348                         {
 349                                 CL_VM_Parse_Print(csqc_printtextbuf);
 350                                 csqc_printtextbuf[0] = 0;
 351                         }
 352                         else
 353                                 strlcat(csqc_printtextbuf, msg, MAX_INPUTLINE);
 354                         return;
 355                 }
 356                 strlcat(csqc_printtextbuf, msg, MAX_INPUTLINE);
 357                 CL_VM_Parse_Print(csqc_printtextbuf);
 358                 csqc_printtextbuf[0] = 0;
 359         }
 360         else
 361                 Con_Print(msg);
 362         CSQC_END
 363 }
 364
 365 void CL_VM_Parse_CenterPrint (const char *msg)
 366 {
 367         int restorevm_tempstringsbuf_cursize;
 368         if(!csqc_loaded)
 369         {
 370                 SCR_CenterPrint((char*)msg);
 371                 return;
 372         }
 373         CSQC_BEGIN
 374         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 375         {
 376                 prog->globals.client->time = cl.time;
 377                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 378                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 379                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 380                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 381         }
 382         else
 383                 SCR_CenterPrint((char*)msg);
 384         CSQC_END
 385 }
 386
 387 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 388 {
 389         float r = 0;
 390         if(!csqc_loaded)
 391                 return 0;
 392         CSQC_BEGIN
 393         if(prog->funcoffsets.CSQC_Event)
 394         {
 395                 prog->globals.client->time = cl.time;
 396                 PRVM_G_FLOAT(OFS_PARM0) = event;
 397                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 398                 r = CSQC_RETURNVAL;
 399         }
 400         CSQC_END
 401         return r;
 402 }
 403
 404 void CSQC_ReadEntities (void)
 405 {
 406         unsigned short entnum, oldself, realentnum;
 407         CSQC_BEGIN
 408                 prog->globals.client->time = cl.time;
 409                 oldself = prog->globals.client->self;
 410                 while(1)
 411                 {
 412                         entnum = MSG_ReadShort();
 413                         if(!entnum)
 414                                 return;
 415                         realentnum = entnum & 0x7FFF;
 416                         prog->globals.client->self = csqc_sv2csqcents[realentnum];
 417                         if(entnum & 0x8000)
 418                         {
 419                                 if(prog->globals.client->self)
 420                                 {
 421                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 422                                         csqc_sv2csqcents[realentnum] = 0;
 423                                 }
 424                                 else
 425                                         Con_Printf("Smth bad happens in csqc...\n");    //[515]: never happens ?
 426                         }
 427                         else
 428                         {
 429                                 if(!prog->globals.client->self)
 430                                 {
 431                                         prvm_edict_t    *ed;
 432                                         ed = PRVM_ED_Alloc();
 433                                         ed->fields.client->entnum = realentnum;
 434                                         prog->globals.client->self = csqc_sv2csqcents[realentnum] = PRVM_EDICT_TO_PROG(ed);
 435                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 436                                 }
 437                                 else
 438                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 439                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 440                         }
 441                 }
 442                 prog->globals.client->self = oldself;
 443         CSQC_END
 444 }
 445
 446 void CL_VM_CB_BeginIncreaseEdicts(void)
 447 {
 448         int i;
 449         prvm_edict_t *ent;
 450
 451         // links don't survive the transition, so unlink everything
 452         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 453         {
 454                 if (!ent->priv.server->free)
 455                         World_UnlinkEdict(prog->edicts + i);
 456                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
 457         }
 458         World_Clear(&cl.world);
 459 }
 460
 461 void CL_VM_CB_EndIncreaseEdicts(void)
 462 {
 463         int i;
 464         prvm_edict_t *ent;
 465
 466         // link every entity except world
 467         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 468                 if (!ent->priv.server->free)
 469                         CL_LinkEdict(ent);
 470 }
 471
 472 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 473 {
 474         e->priv.server->move = false; // don't move on first frame
 475 }
 476
 477 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 478 {
 479         World_UnlinkEdict(ed);
 480         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 481 }
 482
 483 void CL_VM_CB_CountEdicts(void)
 484 {
 485         int             i;
 486         prvm_edict_t    *ent;
 487         int             active = 0, models = 0, solid = 0;
 488
 489         for (i=0 ; i<prog->num_edicts ; i++)
 490         {
 491                 ent = PRVM_EDICT_NUM(i);
 492                 if (ent->priv.server->free)
 493                         continue;
 494                 active++;
 495                 if (ent->fields.client->solid)
 496                         solid++;
 497                 if (ent->fields.client->model)
 498                         models++;
 499         }
 500
 501         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 502         Con_Printf("active    :%3i\n", active);
 503         Con_Printf("view      :%3i\n", models);
 504         Con_Printf("touch     :%3i\n", solid);
 505 }
 506
 507 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 508 {
 509         return true;
 510 }
 511
 512 void Cmd_ClearCsqcFuncs (void);
 513
 514 void CL_VM_Init (void)
 515 {
 516         unsigned char *csprogsdata;
 517         fs_offset_t csprogsdatasize;
 518         int csprogsdatacrc, requiredcrc;
 519         int requiredsize;
 520
 521         // reset csqc_progcrc after reading it, so that changing servers doesn't
 522         // expect csqc on the next server
 523         requiredcrc = csqc_progcrc.integer;
 524         requiredsize = csqc_progsize.integer;
 525         Cvar_SetValueQuick(&csqc_progcrc, -1);
 526         Cvar_SetValueQuick(&csqc_progsize, -1);
 527
 528         csqc_loaded = false;
 529         memset(cl.csqc_model_precache, 0, sizeof(cl.csqc_model_precache));
 530         memset(&cl.csqc_vidvars, true, sizeof(csqc_vidvars_t));
 531
 532         // if the server is not requesting a csprogs, then we're done here
 533         if (requiredcrc < 0)
 534                 return;
 535
 536         // see if the requested csprogs.dat file matches the requested crc
 537         csprogsdatacrc = -1;
 538         csprogsdata = FS_LoadFile(va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc), tempmempool, true, &csprogsdatasize);
 539         if (!csprogsdata)
 540                 csprogsdata = FS_LoadFile(csqc_progname.string, tempmempool, true, &csprogsdatasize);
 541         if (csprogsdata)
 542         {
 543                 csprogsdatacrc = CRC_Block(csprogsdata, csprogsdatasize);
 544                 Mem_Free(csprogsdata);
 545                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 546                 {
 547                         if (cls.demoplayback)
 548                         {
 549                                 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);
 550                                 return;
 551                         }
 552                         else
 553                         {
 554                                 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);
 555                                 CL_Disconnect();
 556                                 return;
 557                         }
 558                 }
 559         }
 560         else
 561         {
 562                 if (requiredcrc >= 0)
 563                 {
 564                         if (cls.demoplayback)
 565                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 566                         else
 567                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 568                         CL_Disconnect();
 569                 }
 570                 return;
 571         }
 572
 573         PRVM_Begin;
 574         PRVM_InitProg(PRVM_CLIENTPROG);
 575
 576         csqc_mempool = Mem_AllocPool("CSQC", 0, NULL);
 577
 578         // allocate the mempools
 579         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 580         prog->headercrc = CL_PROGHEADER_CRC;
 581         prog->edictprivate_size = 0; // no private struct used
 582         prog->name = CL_NAME;
 583         prog->num_edicts = 1;
 584         prog->max_edicts = 512;
 585         prog->limit_edicts = CL_MAX_EDICTS;
 586         prog->reserved_edicts = 0;
 587         prog->edictprivate_size = sizeof(edict_engineprivate_t);
 588         prog->extensionstring = vm_sv_extensions;
 589         prog->builtins = vm_cl_builtins;
 590         prog->numbuiltins = vm_cl_numbuiltins;
 591         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
 592         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
 593         prog->init_edict = CL_VM_CB_InitEdict;
 594         prog->free_edict = CL_VM_CB_FreeEdict;
 595         prog->count_edicts = CL_VM_CB_CountEdicts;
 596         prog->load_edict = CL_VM_CB_LoadEdict;
 597         prog->init_cmd = VM_CL_Cmd_Init;
 598         prog->reset_cmd = VM_CL_Cmd_Reset;
 599         prog->error_cmd = CL_VM_Error;
 600
 601         PRVM_LoadProgs(csqc_progname.string, cl_numrequiredfunc, cl_required_func, 0, NULL, 0, NULL);
 602
 603         if (!prog->loaded)
 604         {
 605                 CL_VM_Error("CSQC ^2failed to load\n");
 606                 if(!sv.active)
 607                         CL_Disconnect();
 608                 return;
 609         }
 610
 611         Con_Printf("CSQC ^5loaded (crc=%i, size=%i)\n", csprogsdatacrc, (int)csprogsdatasize);
 612
 613         // check if OP_STATE animation is possible in this dat file
 614         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
 615                 prog->flag |= PRVM_OP_STATE;
 616
 617         //[515]: optional fields & funcs
 618         if(prog->funcoffsets.CSQC_Parse_Print)
 619         {
 620                 csqc_printtextbuf = (char *)Mem_Alloc(csqc_mempool, MAX_INPUTLINE);
 621                 csqc_printtextbuf[0] = 0;
 622         }
 623
 624         if (cl.worldmodel)
 625         {
 626                 VectorCopy(cl.worldmodel->normalmins, cl.world.areagrid_mins);
 627                 VectorCopy(cl.worldmodel->normalmaxs, cl.world.areagrid_maxs);
 628         }
 629         else
 630         {
 631                 VectorSet(cl.world.areagrid_mins, -4096, -4096, -4096);
 632                 VectorSet(cl.world.areagrid_maxs, 4096, 4096, 4096);
 633         }
 634         World_Clear(&cl.world);
 635
 636         // set time
 637         prog->globals.client->time = cl.time;
 638         csqc_frametime = 0;
 639
 640         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldmodel->name);
 641         prog->globals.client->player_localentnum = cl.playerentity;
 642
 643         // call the prog init
 644         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
 645
 646         PRVM_End;
 647         csqc_loaded = true;
 648
 649         csqc_sv2csqcents = (unsigned short *)Mem_Alloc(csqc_mempool, MAX_EDICTS*sizeof(unsigned short));
 650         memset(csqc_sv2csqcents, 0, MAX_EDICTS*sizeof(unsigned short));
 651
 652         cl.csqc_vidvars.drawcrosshair = false;
 653         cl.csqc_vidvars.drawenginesbar = false;
 654 }
 655
 656 void CL_VM_ShutDown (void)
 657 {
 658         Cmd_ClearCsqcFuncs();
 659         Cvar_SetValueQuick(&csqc_progcrc, -1);
 660         Cvar_SetValueQuick(&csqc_progsize, -1);
 661         if(!csqc_loaded)
 662                 return;
 663         CSQC_BEGIN
 664                 prog->globals.client->time = cl.time;
 665                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
 666                 PRVM_ResetProg();
 667         CSQC_END
 668         Con_Print("CSQC ^1unloaded\n");
 669         csqc_loaded = false;
 670         Mem_FreePool(&csqc_mempool);
 671 }