csprogs.c

   1 #include "quakedef.h"
   2 #include "progsvm.h"
   3 #include "clprogdefs.h"
   4 #include "csprogs.h"
   5
   6 //============================================================================
   7 // Client prog handling
   8 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
   9
  10 #define CSQC_RETURNVAL  prog->globals.generic[OFS_RETURN]
  11 #define CSQC_BEGIN              csqc_tmpprog=prog;prog=0;PRVM_SetProg(PRVM_CLIENTPROG);
  12 #define CSQC_END                prog=csqc_tmpprog;
  13 static prvm_prog_t *csqc_tmpprog;
  14
  15 //[515]: these are required funcs
  16 static char *cl_required_func[] =
  17 {
  18         "CSQC_Init",
  19         "CSQC_InputEvent",
  20         "CSQC_UpdateView",
  21         "CSQC_ConsoleCommand",
  22         "CSQC_Shutdown"
  23 };
  24
  25 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  26
  27 static char                             *csqc_printtextbuf = NULL;
  28 static unsigned short   *csqc_sv2csqcents;      //[515]: server entities numbers on client side. FIXME : make pointers instead of numbers ?
  29
  30 qboolean csqc_loaded = false;
  31
  32 vec3_t csqc_origin, csqc_angles;
  33 static double csqc_frametime = 0;
  34
  35 static mempool_t *csqc_mempool;
  36
  37 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
  38 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
  39 {
  40         char errorstring[4096];
  41         va_list argptr;
  42
  43         va_start (argptr, format);
  44         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
  45         va_end (argptr);
  46 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
  47
  48         PRVM_Crash();
  49         csqc_loaded = false;
  50         Mem_FreePool(&csqc_mempool);
  51
  52         Cvar_SetValueQuick(&csqc_progcrc, -1);
  53         Cvar_SetValueQuick(&csqc_progsize, -1);
  54
  55 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
  56         Host_Error(va("CL_VM_Error: %s", errorstring));
  57 }
  58
  59 model_t *CSQC_GetModelByIndex(int modelindex)
  60 {
  61         if(!modelindex)
  62                 return NULL;
  63         if (modelindex < 0)
  64         {
  65                 modelindex = -(modelindex+1);
  66                 if (modelindex < MAX_MODELS)
  67                         return cl.csqc_model_precache[modelindex];
  68         }
  69         else
  70         {
  71                 if(modelindex < MAX_MODELS)
  72                         return cl.model_precache[modelindex];
  73         }
  74         return NULL;
  75 }
  76
  77 model_t *CSQC_GetModelFromEntity(prvm_edict_t *ed)
  78 {
  79         if (!ed || ed->priv.server->free)
  80                 return NULL;
  81         return CSQC_GetModelByIndex((int)ed->fields.client->modelindex);
  82 }
  83
  84 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
  85 static void CSQC_SetGlobals (void)
  86 {
  87         //extern cvar_t sv_accelerate, sv_friction, sv_gravity, sv_stopspeed, sv_maxspeed;
  88
  89         CSQC_BEGIN
  90                 prog->globals.client->time = cl.time;
  91                 prog->globals.client->frametime = cl.time - csqc_frametime;
  92                 csqc_frametime = cl.time;
  93                 prog->globals.client->servercommandframe = cl.servermovesequence;
  94                 prog->globals.client->clientcommandframe = cl.movesequence;
  95                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
  96                 VectorCopy(cl.viewangles, csqc_angles);
  97                 prog->globals.client->input_buttons = cl.cmd.buttons;
  98                 VectorSet(prog->globals.client->input_movevalues, cl.cmd.forwardmove, cl.cmd.sidemove, cl.cmd.upmove);
  99                 //VectorCopy(cl.movement_origin, csqc_origin);
 100                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, csqc_origin);
 101                 VectorCopy(csqc_origin, prog->globals.client->pmove_org);
 102                 prog->globals.client->maxclients = cl.maxclients;
 103                 //VectorCopy(cl.movement_velocity, prog->globals.client->pmove_vel);
 104                 VectorCopy(cl.velocity, prog->globals.client->pmove_vel);
 105         CSQC_END
 106 }
 107
 108 void CSQC_Predraw (prvm_edict_t *ed)
 109 {
 110         int b;
 111         if(!ed->fields.client->predraw)
 112                 return;
 113         b = prog->globals.client->self;
 114         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 115         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
 116         prog->globals.client->self = b;
 117 }
 118
 119 void CSQC_Think (prvm_edict_t *ed)
 120 {
 121         int b;
 122         if(ed->fields.client->think)
 123         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 124         {
 125                 ed->fields.client->nextthink = 0;
 126                 b = prog->globals.client->self;
 127                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 128                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 129                 prog->globals.client->self = b;
 130         }
 131 }
 132
 133 extern cvar_t cl_noplayershadow;
 134 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed)
 135 {
 136         int i, renderflags;
 137         float scale;
 138         prvm_eval_t *val;
 139         entity_t *e;
 140         model_t *model;
 141         matrix4x4_t tagmatrix, matrix2;
 142
 143         model = CSQC_GetModelFromEntity(ed);
 144         if (!model)
 145                 return false;
 146
 147         e = CL_NewTempEntity();
 148         if (!e)
 149                 return false;
 150
 151         e->render.model = model;
 152         e->render.colormap = (int)ed->fields.client->colormap;
 153         e->render.frame = (int)ed->fields.client->frame;
 154         e->render.skinnum = (int)ed->fields.client->skin;
 155         e->render.effects |= e->render.model->flags2 & (EF_FULLBRIGHT | EF_ADDITIVE);
 156         scale = 1;
 157         // FIXME: renderflags should be in the cl_entvars_t
 158 #if 1
 159         renderflags = 0;
 160         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.renderflags)) && val->_float)     renderflags = (int)val->_float;
 161 #else
 162         renderflags = (int)ed->fields.client->renderflags;
 163 #endif
 164
 165         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.alpha)) && val->_float)           e->render.alpha = val->_float;
 166         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.scale)) && val->_float)           e->render.scale = scale = val->_float;
 167         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, e->render.colormod);
 168         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.effects)) && val->_float) e->render.effects = (int)val->_float;
 169         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_entity)) && val->edict)
 170         {
 171                 int tagentity;
 172                 int tagindex = 0;
 173                 tagentity = val->edict;
 174                 if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_index)) && val->_float)
 175                         tagindex = (int)val->_float;
 176                 // FIXME: calculate tag matrix
 177                 Matrix4x4_CreateIdentity(&tagmatrix);
 178         }
 179         else
 180                 Matrix4x4_CreateIdentity(&tagmatrix);
 181
 182         if (renderflags & RF_USEAXIS)
 183         {
 184                 vec3_t left;
 185                 VectorNegate(prog->globals.client->v_right, left);
 186                 Matrix4x4_FromVectors(&matrix2, prog->globals.client->v_forward, left, prog->globals.client->v_up, ed->fields.client->origin);
 187         }
 188         else
 189         {
 190                 vec3_t angles;
 191                 VectorCopy(ed->fields.client->angles, angles);
 192                 // if model is alias, reverse pitch direction
 193                 if (e->render.model->type == mod_alias)
 194                         angles[0] = -angles[0];
 195
 196                 // set up the render matrix
 197                 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);
 198         }
 199
 200         // FIXME: csqc has frame1/frame2/frame1time/frame2time/lerpfrac but this implementation's cl_entvars_t lacks those fields
 201         e->render.frame1 = e->render.frame = ed->fields.client->frame;
 202         e->render.frame1time = e->render.frame2time = 0;
 203         e->render.framelerp = 0;
 204
 205         // concat the matrices to make the entity relative to its tag
 206         Matrix4x4_Concat(&e->render.matrix, &tagmatrix, &matrix2);
 207         // make the other useful stuff
 208         CL_UpdateRenderEntity(&e->render);
 209
 210         i = 0;
 211         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.renderflags)) && val->_float)
 212         {
 213                 i = (int)val->_float;
 214                 if(i & RF_VIEWMODEL)    e->render.flags |= RENDER_VIEWMODEL;
 215                 if(i & RF_EXTERNALMODEL)e->render.flags |= RENDER_EXTERIORMODEL;
 216                 if(i & RF_DEPTHHACK)    e->render.effects |= EF_NODEPTHTEST;
 217                 if(i & RF_ADDITIVE)             e->render.effects |= EF_ADDITIVE;
 218         }
 219
 220         // transparent stuff can't be lit during the opaque stage
 221         if (e->render.effects & (EF_ADDITIVE | EF_NODEPTHTEST) || e->render.alpha < 1)
 222                 e->render.flags |= RENDER_TRANSPARENT;
 223         // double sided rendering mode causes backfaces to be visible
 224         // (mostly useful on transparent stuff)
 225         if (e->render.effects & EF_DOUBLESIDED)
 226                 e->render.flags |= RENDER_NOCULLFACE;
 227         // either fullbright or lit
 228         if (!(e->render.effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 229                 e->render.flags |= RENDER_LIGHT;
 230         // hide player shadow during intermission or nehahra movie
 231         if (!(e->render.effects & EF_NOSHADOW)
 232          && !(e->render.flags & (RENDER_VIEWMODEL | RENDER_TRANSPARENT))
 233          && (!(e->render.flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 234                 e->render.flags |= RENDER_SHADOW;
 235
 236         return true;
 237 }
 238
 239 qboolean CL_VM_InputEvent (qboolean pressed, int key)
 240 {
 241         qboolean r;
 242         if(!csqc_loaded)
 243                 return false;
 244         CSQC_BEGIN
 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         CSQC_END
 251         return r;
 252 }
 253
 254 qboolean CL_VM_UpdateView (void)
 255 {
 256 //      vec3_t oldangles;
 257         if(!csqc_loaded)
 258                 return false;
 259         CSQC_BEGIN
 260                 //VectorCopy(cl.viewangles, oldangles);
 261                 prog->globals.client->time = cl.time;
 262                 CSQC_SetGlobals();
 263                 // clear renderable entity and light lists to prevent crashes if the
 264                 // CSQC_UpdateView function does not call R_ClearScene as it should
 265                 r_refdef.numentities = 0;
 266                 r_refdef.numlights = 0;
 267                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 268                 //VectorCopy(oldangles, cl.viewangles);
 269         CSQC_END
 270         return true;
 271 }
 272
 273 extern sizebuf_t vm_tempstringsbuf;
 274 qboolean CL_VM_ConsoleCommand (const char *cmd)
 275 {
 276         int restorevm_tempstringsbuf_cursize;
 277         qboolean r;
 278         if(!csqc_loaded)
 279                 return false;
 280         CSQC_BEGIN
 281                 prog->globals.client->time = cl.time;
 282                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 283                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 284                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 285                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 286                 r = CSQC_RETURNVAL;
 287         CSQC_END
 288         return r;
 289 }
 290
 291 qboolean CL_VM_Parse_TempEntity (void)
 292 {
 293         int                     t;
 294         qboolean        r = false;
 295         if(!csqc_loaded)
 296                 return false;
 297         CSQC_BEGIN
 298         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 299         {
 300                 t = msg_readcount;
 301                 prog->globals.client->time = cl.time;
 302                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 303                 r = CSQC_RETURNVAL;
 304                 if(!r)
 305                 {
 306                         msg_readcount = t;
 307                         msg_badread = false;
 308                 }
 309         }
 310         CSQC_END
 311         return r;
 312 }
 313
 314 void CL_VM_Parse_StuffCmd (const char *msg)
 315 {
 316         int restorevm_tempstringsbuf_cursize;
 317         if(msg[0] == 'c')
 318         if(msg[1] == 's')
 319         if(msg[2] == 'q')
 320         if(msg[3] == 'c')
 321         {
 322                 // if this is setting a csqc variable, deprotect csqc_progcrc
 323                 // temporarily so that it can be set by the cvar command,
 324                 // and then reprotect it afterwards
 325                 int crcflags = csqc_progcrc.flags;
 326                 int sizeflags = csqc_progcrc.flags;
 327                 csqc_progcrc.flags &= ~CVAR_READONLY;
 328                 csqc_progsize.flags &= ~CVAR_READONLY;
 329                 Cmd_ExecuteString (msg, src_command);
 330                 csqc_progcrc.flags = crcflags;
 331                 csqc_progsize.flags = sizeflags;
 332                 return;
 333         }
 334         if(!csqc_loaded)
 335         {
 336                 Cbuf_AddText(msg);
 337                 return;
 338         }
 339         CSQC_BEGIN
 340         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 341         {
 342                 prog->globals.client->time = cl.time;
 343                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 344                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 345                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 346                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 347         }
 348         else
 349                 Cbuf_AddText(msg);
 350         CSQC_END
 351 }
 352
 353 static void CL_VM_Parse_Print (const char *msg)
 354 {
 355         int restorevm_tempstringsbuf_cursize;
 356         prog->globals.client->time = cl.time;
 357         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 358         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 359         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 360         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 361 }
 362
 363 void CSQC_AddPrintText (const char *msg)
 364 {
 365         size_t i;
 366         if(!csqc_loaded)
 367         {
 368                 Con_Print(msg);
 369                 return;
 370         }
 371         CSQC_BEGIN
 372         if(prog->funcoffsets.CSQC_Parse_Print)
 373         {
 374                 // FIXME: is this bugged?
 375                 i = strlen(msg)-1;
 376                 if(msg[i] != '\n' && msg[i] != '\r')
 377                 {
 378                         if(strlen(csqc_printtextbuf)+i >= MAX_INPUTLINE)
 379                         {
 380                                 CL_VM_Parse_Print(csqc_printtextbuf);
 381                                 csqc_printtextbuf[0] = 0;
 382                         }
 383                         else
 384                                 strlcat(csqc_printtextbuf, msg, MAX_INPUTLINE);
 385                         return;
 386                 }
 387                 strlcat(csqc_printtextbuf, msg, MAX_INPUTLINE);
 388                 CL_VM_Parse_Print(csqc_printtextbuf);
 389                 csqc_printtextbuf[0] = 0;
 390         }
 391         else
 392                 Con_Print(msg);
 393         CSQC_END
 394 }
 395
 396 void CL_VM_Parse_CenterPrint (const char *msg)
 397 {
 398         int restorevm_tempstringsbuf_cursize;
 399         if(!csqc_loaded)
 400         {
 401                 SCR_CenterPrint((char*)msg);
 402                 return;
 403         }
 404         CSQC_BEGIN
 405         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 406         {
 407                 prog->globals.client->time = cl.time;
 408                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 409                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 410                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 411                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 412         }
 413         else
 414                 SCR_CenterPrint((char*)msg);
 415         CSQC_END
 416 }
 417
 418 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 419 {
 420         float r = 0;
 421         if(!csqc_loaded)
 422                 return 0;
 423         CSQC_BEGIN
 424         if(prog->funcoffsets.CSQC_Event)
 425         {
 426                 prog->globals.client->time = cl.time;
 427                 PRVM_G_FLOAT(OFS_PARM0) = event;
 428                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 429                 r = CSQC_RETURNVAL;
 430         }
 431         CSQC_END
 432         return r;
 433 }
 434
 435 void CSQC_ReadEntities (void)
 436 {
 437         unsigned short entnum, oldself, realentnum;
 438         CSQC_BEGIN
 439                 prog->globals.client->time = cl.time;
 440                 oldself = prog->globals.client->self;
 441                 while(1)
 442                 {
 443                         entnum = MSG_ReadShort();
 444                         if(!entnum)
 445                                 return;
 446                         realentnum = entnum & 0x7FFF;
 447                         prog->globals.client->self = csqc_sv2csqcents[realentnum];
 448                         if(entnum & 0x8000)
 449                         {
 450                                 if(prog->globals.client->self)
 451                                 {
 452                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 453                                         csqc_sv2csqcents[realentnum] = 0;
 454                                 }
 455                                 else
 456                                         Con_Printf("Smth bad happens in csqc...\n");    //[515]: never happens ?
 457                         }
 458                         else
 459                         {
 460                                 if(!prog->globals.client->self)
 461                                 {
 462                                         prvm_edict_t    *ed;
 463                                         ed = PRVM_ED_Alloc();
 464                                         ed->fields.client->entnum = realentnum;
 465                                         prog->globals.client->self = csqc_sv2csqcents[realentnum] = PRVM_EDICT_TO_PROG(ed);
 466                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 467                                 }
 468                                 else
 469                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 470                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 471                         }
 472                 }
 473                 prog->globals.client->self = oldself;
 474         CSQC_END
 475 }
 476
 477 void CL_LinkEdict(prvm_edict_t *ent)
 478 {
 479         if (ent == prog->edicts)
 480                 return;         // don't add the world
 481
 482         if (ent->priv.server->free)
 483                 return;
 484
 485         VectorAdd(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->absmin);
 486         VectorAdd(ent->fields.client->origin, ent->fields.client->maxs, ent->fields.client->absmax);
 487
 488         World_LinkEdict(&cl.world, ent, ent->fields.client->absmin, ent->fields.client->absmax);
 489 }
 490
 491 void CL_VM_CB_BeginIncreaseEdicts(void)
 492 {
 493         int i;
 494         prvm_edict_t *ent;
 495
 496         // links don't survive the transition, so unlink everything
 497         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 498         {
 499                 if (!ent->priv.server->free)
 500                         World_UnlinkEdict(prog->edicts + i);
 501                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
 502         }
 503         World_Clear(&cl.world);
 504 }
 505
 506 void CL_VM_CB_EndIncreaseEdicts(void)
 507 {
 508         int i;
 509         prvm_edict_t *ent;
 510
 511         // link every entity except world
 512         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 513                 if (!ent->priv.server->free)
 514                         CL_LinkEdict(ent);
 515 }
 516
 517 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 518 {
 519         e->priv.server->move = false; // don't move on first frame
 520 }
 521
 522 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 523 {
 524         World_UnlinkEdict(ed);
 525         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 526 }
 527
 528 void CL_VM_CB_CountEdicts(void)
 529 {
 530         int             i;
 531         prvm_edict_t    *ent;
 532         int             active = 0, models = 0, solid = 0;
 533
 534         for (i=0 ; i<prog->num_edicts ; i++)
 535         {
 536                 ent = PRVM_EDICT_NUM(i);
 537                 if (ent->priv.server->free)
 538                         continue;
 539                 active++;
 540                 if (ent->fields.client->solid)
 541                         solid++;
 542                 if (ent->fields.client->model)
 543                         models++;
 544         }
 545
 546         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 547         Con_Printf("active    :%3i\n", active);
 548         Con_Printf("view      :%3i\n", models);
 549         Con_Printf("touch     :%3i\n", solid);
 550 }
 551
 552 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 553 {
 554         return true;
 555 }
 556
 557 void Cmd_ClearCsqcFuncs (void);
 558
 559 void CL_VM_Init (void)
 560 {
 561         unsigned char *csprogsdata;
 562         fs_offset_t csprogsdatasize;
 563         int csprogsdatacrc, requiredcrc;
 564         int requiredsize;
 565
 566         // reset csqc_progcrc after reading it, so that changing servers doesn't
 567         // expect csqc on the next server
 568         requiredcrc = csqc_progcrc.integer;
 569         requiredsize = csqc_progsize.integer;
 570         Cvar_SetValueQuick(&csqc_progcrc, -1);
 571         Cvar_SetValueQuick(&csqc_progsize, -1);
 572
 573         csqc_loaded = false;
 574         memset(cl.csqc_model_precache, 0, sizeof(cl.csqc_model_precache));
 575         memset(&cl.csqc_vidvars, true, sizeof(csqc_vidvars_t));
 576
 577         // if the server is not requesting a csprogs, then we're done here
 578         if (requiredcrc < 0)
 579                 return;
 580
 581         // see if the requested csprogs.dat file matches the requested crc
 582         csprogsdatacrc = -1;
 583         csprogsdata = FS_LoadFile(va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc), tempmempool, true, &csprogsdatasize);
 584         if (!csprogsdata)
 585                 csprogsdata = FS_LoadFile(csqc_progname.string, tempmempool, true, &csprogsdatasize);
 586         if (csprogsdata)
 587         {
 588                 csprogsdatacrc = CRC_Block(csprogsdata, csprogsdatasize);
 589                 Mem_Free(csprogsdata);
 590                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 591                 {
 592                         if (cls.demoplayback)
 593                         {
 594                                 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);
 595                                 return;
 596                         }
 597                         else
 598                         {
 599                                 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);
 600                                 CL_Disconnect();
 601                                 return;
 602                         }
 603                 }
 604         }
 605         else
 606         {
 607                 if (requiredcrc >= 0)
 608                 {
 609                         if (cls.demoplayback)
 610                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 611                         else
 612                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 613                         CL_Disconnect();
 614                 }
 615                 return;
 616         }
 617
 618         PRVM_Begin;
 619         PRVM_InitProg(PRVM_CLIENTPROG);
 620
 621         csqc_mempool = Mem_AllocPool("CSQC", 0, NULL);
 622
 623         // allocate the mempools
 624         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 625         prog->headercrc = CL_PROGHEADER_CRC;
 626         prog->edictprivate_size = 0; // no private struct used
 627         prog->name = CL_NAME;
 628         prog->num_edicts = 1;
 629         prog->max_edicts = 512;
 630         prog->limit_edicts = CL_MAX_EDICTS;
 631         prog->reserved_edicts = 0;
 632         prog->edictprivate_size = sizeof(edict_engineprivate_t);
 633         prog->extensionstring = vm_sv_extensions;
 634         prog->builtins = vm_cl_builtins;
 635         prog->numbuiltins = vm_cl_numbuiltins;
 636         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
 637         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
 638         prog->init_edict = CL_VM_CB_InitEdict;
 639         prog->free_edict = CL_VM_CB_FreeEdict;
 640         prog->count_edicts = CL_VM_CB_CountEdicts;
 641         prog->load_edict = CL_VM_CB_LoadEdict;
 642         prog->init_cmd = VM_CL_Cmd_Init;
 643         prog->reset_cmd = VM_CL_Cmd_Reset;
 644         prog->error_cmd = CL_VM_Error;
 645
 646         PRVM_LoadProgs(csqc_progname.string, cl_numrequiredfunc, cl_required_func, 0, NULL, 0, NULL);
 647
 648         if (!prog->loaded)
 649         {
 650                 CL_VM_Error("CSQC ^2failed to load\n");
 651                 if(!sv.active)
 652                         CL_Disconnect();
 653                 return;
 654         }
 655
 656         Con_Printf("CSQC ^5loaded (crc=%i, size=%i)\n", csprogsdatacrc, (int)csprogsdatasize);
 657
 658         // check if OP_STATE animation is possible in this dat file
 659         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
 660                 prog->flag |= PRVM_OP_STATE;
 661
 662         //[515]: optional fields & funcs
 663         if(prog->funcoffsets.CSQC_Parse_Print)
 664         {
 665                 csqc_printtextbuf = (char *)Mem_Alloc(csqc_mempool, MAX_INPUTLINE);
 666                 csqc_printtextbuf[0] = 0;
 667         }
 668
 669         if (cl.worldmodel)
 670         {
 671                 VectorCopy(cl.worldmodel->normalmins, cl.world.areagrid_mins);
 672                 VectorCopy(cl.worldmodel->normalmaxs, cl.world.areagrid_maxs);
 673         }
 674         else
 675         {
 676                 VectorSet(cl.world.areagrid_mins, -4096, -4096, -4096);
 677                 VectorSet(cl.world.areagrid_maxs, 4096, 4096, 4096);
 678         }
 679         World_Clear(&cl.world);
 680
 681         // set time
 682         prog->globals.client->time = cl.time;
 683         csqc_frametime = 0;
 684
 685         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldmodel->name);
 686         prog->globals.client->player_localentnum = cl.playerentity;
 687
 688         // call the prog init
 689         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
 690
 691         PRVM_End;
 692         csqc_loaded = true;
 693
 694         csqc_sv2csqcents = (unsigned short *)Mem_Alloc(csqc_mempool, MAX_EDICTS*sizeof(unsigned short));
 695         memset(csqc_sv2csqcents, 0, MAX_EDICTS*sizeof(unsigned short));
 696
 697         cl.csqc_vidvars.drawcrosshair = false;
 698         cl.csqc_vidvars.drawenginesbar = false;
 699 }
 700
 701 void CL_VM_ShutDown (void)
 702 {
 703         Cmd_ClearCsqcFuncs();
 704         Cvar_SetValueQuick(&csqc_progcrc, -1);
 705         Cvar_SetValueQuick(&csqc_progsize, -1);
 706         if(!csqc_loaded)
 707                 return;
 708         CSQC_BEGIN
 709                 prog->globals.client->time = cl.time;
 710                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
 711                 PRVM_ResetProg();
 712         CSQC_END
 713         Con_Print("CSQC ^1unloaded\n");
 714         csqc_loaded = false;
 715         Mem_FreePool(&csqc_mempool);
 716 }