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 #include "clvm_cmds.h"
   8
   9 //============================================================================
  10 // Client prog handling
  11 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
  12
  13 #define CSQC_RETURNVAL  prog->globals.generic[OFS_RETURN]
  14 #define CSQC_BEGIN              csqc_tmpprog=prog;prog=0;PRVM_SetProg(PRVM_CLIENTPROG);
  15 #define CSQC_END                prog=csqc_tmpprog;
  16
  17 static prvm_prog_t *csqc_tmpprog;
  18
  19 //[515]: these are required funcs
  20 static char *cl_required_func[] =
  21 {
  22         "CSQC_Init",
  23         "CSQC_InputEvent",
  24         "CSQC_UpdateView",
  25         "CSQC_ConsoleCommand",
  26 };
  27
  28 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  29
  30 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
  31 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
  32 {
  33         char errorstring[4096];
  34         va_list argptr;
  35
  36         va_start (argptr, format);
  37         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
  38         va_end (argptr);
  39 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
  40
  41         PRVM_Crash();
  42         cl.csqc_loaded = false;
  43
  44         Cvar_SetValueQuick(&csqc_progcrc, -1);
  45         Cvar_SetValueQuick(&csqc_progsize, -1);
  46
  47 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
  48         Host_Error("CL_VM_Error: %s", errorstring);
  49 }
  50 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
  51 {
  52         prvm_eval_t *val;
  53         if(cl.csqc_loaded)
  54         {
  55                 CSQC_BEGIN
  56                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_take);
  57                 if(val)
  58                         val->_float = dmg_take;
  59                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_save);
  60                 if(val)
  61                         val->_float = dmg_save;
  62                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_origin);
  63                 if(val)
  64                 {
  65                         val->vector[0] = dmg_origin[0];
  66                         val->vector[1] = dmg_origin[1];
  67                         val->vector[2] = dmg_origin[2];
  68                 }
  69                 CSQC_END
  70         }
  71 }
  72
  73 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
  74 {
  75         prvm_eval_t *val;
  76         if(!cl.csqc_loaded)
  77                 return;
  78         CSQC_BEGIN
  79         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.servertime)))
  80                 val->_float = newtime;
  81         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.serverprevtime)))
  82                 val->_float = oldtime;
  83         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.serverdeltatime)))
  84                 val->_float = newtime - oldtime;
  85         CSQC_END
  86 }
  87
  88 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
  89 static void CSQC_SetGlobals (void)
  90 {
  91         prvm_eval_t *val;
  92         CSQC_BEGIN
  93                 prog->globals.client->time = cl.time;
  94                 prog->globals.client->frametime = max(0, cl.time - cl.oldtime);
  95                 prog->globals.client->servercommandframe = cls.servermovesequence;
  96                 prog->globals.client->clientcommandframe = cl.movecmd[0].sequence;
  97                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
  98                 VectorCopy(cl.viewangles, cl.csqc_angles);
  99                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
 100                 prog->globals.client->input_buttons = cl.movecmd[0].buttons;
 101                 VectorSet(prog->globals.client->input_movevalues, cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
 102                 //VectorCopy(cl.movement_origin, cl.csqc_origin);
 103                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, cl.csqc_origin);
 104
 105                 // LordHavoc: Spike says not to do this, but without pmove_org the
 106                 // CSQC is useless as it can't alter the view origin without
 107                 // completely replacing it
 108                 VectorCopy(cl.csqc_origin, prog->globals.client->pmove_org);
 109                 VectorCopy(cl.velocity, prog->globals.client->pmove_vel);
 110
 111                 if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.view_angles)))
 112                         VectorCopy(cl.viewangles, val->vector);
 113                 prog->globals.client->maxclients = cl.maxclients;
 114         CSQC_END
 115 }
 116
 117 void CSQC_Predraw (prvm_edict_t *ed)
 118 {
 119         int b;
 120         if(!ed->fields.client->predraw)
 121                 return;
 122         b = prog->globals.client->self;
 123         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 124         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
 125         prog->globals.client->self = b;
 126 }
 127
 128 void CSQC_Think (prvm_edict_t *ed)
 129 {
 130         int b;
 131         if(ed->fields.client->think)
 132         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 133         {
 134                 ed->fields.client->nextthink = 0;
 135                 b = prog->globals.client->self;
 136                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 137                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 138                 prog->globals.client->self = b;
 139         }
 140 }
 141
 142 extern cvar_t cl_noplayershadow;
 143 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed)
 144 {
 145         int renderflags;
 146         int c;
 147         float scale;
 148         prvm_eval_t *val;
 149         entity_render_t *entrender;
 150         dp_model_t *model;
 151         matrix4x4_t tagmatrix, matrix2;
 152
 153         model = CL_GetModelFromEdict(ed);
 154         if (!model)
 155                 return false;
 156
 157         entrender = CL_NewTempEntity(0);
 158         if (!entrender)
 159                 return false;
 160
 161         entrender->model = model;
 162         entrender->skinnum = (int)ed->fields.client->skin;
 163         entrender->effects |= entrender->model->effects;
 164         scale = 1;
 165         renderflags = 0;
 166         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.renderflags)) && val->_float)     renderflags = (int)val->_float;
 167         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.alpha)) && val->_float)           entrender->alpha = val->_float;
 168         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.scale)) && val->_float)           entrender->scale = scale = val->_float;
 169         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, entrender->colormod);
 170         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.effects)) && val->_float) entrender->effects |= (int)val->_float;
 171         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_entity)) && val->edict)
 172         {
 173                 int tagentity;
 174                 int tagindex = 0;
 175                 tagentity = val->edict;
 176                 if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_index)) && val->_float)
 177                         tagindex = (int)val->_float;
 178                 CL_GetTagMatrix (&tagmatrix, PRVM_PROG_TO_EDICT(tagentity), tagindex);
 179         }
 180         else
 181                 Matrix4x4_CreateIdentity(&tagmatrix);
 182
 183         if (renderflags & RF_USEAXIS)
 184         {
 185                 vec3_t left;
 186                 VectorNegate(prog->globals.client->v_right, left);
 187                 Matrix4x4_FromVectors(&matrix2, prog->globals.client->v_forward, left, prog->globals.client->v_up, ed->fields.client->origin);
 188                 Matrix4x4_Scale(&matrix2, scale, 1);
 189         }
 190         else
 191         {
 192                 vec3_t angles;
 193                 VectorCopy(ed->fields.client->angles, angles);
 194                 // if model is alias, reverse pitch direction
 195                 if (entrender->model->type == mod_alias)
 196                         angles[0] = -angles[0];
 197
 198                 // set up the render matrix
 199                 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);
 200         }
 201
 202         // set up the animation data
 203         // self.frame is the interpolation target (new frame)
 204         // self.frame1time is the animation base time for the interpolation target
 205         // self.frame2 is the interpolation start (previous frame)
 206         // self.frame2time is the animation base time for the interpolation start
 207         entrender->frame1 = entrender->frame2 = (int) ed->fields.client->frame;
 208         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) entrender->frame2 = (int) val->_float;
 209         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) entrender->frame2time = val->_float;
 210         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) entrender->frame1time = val->_float;
 211         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) entrender->framelerp = val->_float;
 212         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.shadertime))) entrender->shadertime = val->_float;
 213
 214         // concat the matrices to make the entity relative to its tag
 215         Matrix4x4_Concat(&entrender->matrix, &tagmatrix, &matrix2);
 216
 217         if(renderflags)
 218         {
 219                 if(renderflags & RF_VIEWMODEL)  entrender->flags |= RENDER_VIEWMODEL;
 220                 if(renderflags & RF_EXTERNALMODEL)entrender->flags |= RENDER_EXTERIORMODEL;
 221                 if(renderflags & RF_DEPTHHACK)  entrender->effects |= EF_NODEPTHTEST;
 222                 if(renderflags & RF_ADDITIVE)           entrender->effects |= EF_ADDITIVE;
 223         }
 224
 225         c = (int)ed->fields.client->colormap;
 226         if (c <= 0)
 227                 CL_SetEntityColormapColors(entrender, -1);
 228         else if (c <= cl.maxclients && cl.scores != NULL)
 229                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 230         else
 231                 CL_SetEntityColormapColors(entrender, c);
 232
 233         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 234         // either fullbright or lit
 235         if (!(entrender->effects & EF_FULLBRIGHT) && !r_fullbright.integer)
 236                 entrender->flags |= RENDER_LIGHT;
 237         // hide player shadow during intermission or nehahra movie
 238         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 239          &&  (entrender->alpha >= 1)
 240          && !(entrender->flags & RENDER_VIEWMODEL)
 241          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 242                 entrender->flags |= RENDER_SHADOW;
 243         if (entrender->flags & RENDER_VIEWMODEL)
 244                 entrender->flags |= RENDER_NOSELFSHADOW;
 245         if (entrender->effects & EF_NOSELFSHADOW)
 246                 entrender->flags |= RENDER_NOSELFSHADOW;
 247
 248         // make the other useful stuff
 249         CL_UpdateRenderEntity(entrender);
 250
 251         return true;
 252 }
 253
 254 qboolean CL_VM_InputEvent (qboolean down, int key, int ascii)
 255 {
 256         qboolean r;
 257
 258         if(!cl.csqc_loaded)
 259                 return false;
 260
 261         CSQC_BEGIN
 262                 if (!prog->funcoffsets.CSQC_InputEvent)
 263                         r = false;
 264                 else
 265                 {
 266                         prog->globals.client->time = cl.time;
 267                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 268                         PRVM_G_FLOAT(OFS_PARM0) = !down; // 0 is down, 1 is up
 269                         PRVM_G_FLOAT(OFS_PARM1) = key;
 270                         PRVM_G_FLOAT(OFS_PARM2) = ascii;
 271                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 272                         r = CSQC_RETURNVAL;
 273                 }
 274         CSQC_END
 275         return r;
 276 }
 277
 278 qboolean CL_VM_UpdateView (void)
 279 {
 280         vec3_t emptyvector;
 281         emptyvector[0] = 0;
 282         emptyvector[1] = 0;
 283         emptyvector[2] = 0;
 284 //      vec3_t oldangles;
 285         if(!cl.csqc_loaded)
 286                 return false;
 287         CSQC_BEGIN
 288                 //VectorCopy(cl.viewangles, oldangles);
 289                 prog->globals.client->time = cl.time;
 290                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 291                 CSQC_SetGlobals();
 292                 // clear renderable entity and light lists to prevent crashes if the
 293                 // CSQC_UpdateView function does not call R_ClearScene as it should
 294                 r_refdef.scene.numentities = 0;
 295                 r_refdef.scene.numlights = 0;
 296                 // pass in width and height as parameters (EXT_CSQC_1)
 297                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 298                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 299                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 300                 //VectorCopy(oldangles, cl.viewangles);
 301                 // Dresk : Reset Dmg Globals Here
 302                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 303         CSQC_END
 304         return true;
 305 }
 306
 307 extern sizebuf_t vm_tempstringsbuf;
 308 qboolean CL_VM_ConsoleCommand (const char *cmd)
 309 {
 310         int restorevm_tempstringsbuf_cursize;
 311         qboolean r = false;
 312         if(!cl.csqc_loaded)
 313                 return false;
 314         CSQC_BEGIN
 315         if (prog->funcoffsets.CSQC_ConsoleCommand)
 316         {
 317                 prog->globals.client->time = cl.time;
 318                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 319                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 320                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 321                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 322                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 323                 r = CSQC_RETURNVAL;
 324         }
 325         CSQC_END
 326         return r;
 327 }
 328
 329 qboolean CL_VM_Parse_TempEntity (void)
 330 {
 331         int                     t;
 332         qboolean        r = false;
 333         if(!cl.csqc_loaded)
 334                 return false;
 335         CSQC_BEGIN
 336         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 337         {
 338                 t = msg_readcount;
 339                 prog->globals.client->time = cl.time;
 340                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 341                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 342                 r = CSQC_RETURNVAL;
 343                 if(!r)
 344                 {
 345                         msg_readcount = t;
 346                         msg_badread = false;
 347                 }
 348         }
 349         CSQC_END
 350         return r;
 351 }
 352
 353 void CL_VM_Parse_StuffCmd (const char *msg)
 354 {
 355         int restorevm_tempstringsbuf_cursize;
 356         if(msg[0] == 'c')
 357         if(msg[1] == 's')
 358         if(msg[2] == 'q')
 359         if(msg[3] == 'c')
 360         {
 361                 // if this is setting a csqc variable, deprotect csqc_progcrc
 362                 // temporarily so that it can be set by the cvar command,
 363                 // and then reprotect it afterwards
 364                 int crcflags = csqc_progcrc.flags;
 365                 int sizeflags = csqc_progcrc.flags;
 366                 csqc_progcrc.flags &= ~CVAR_READONLY;
 367                 csqc_progsize.flags &= ~CVAR_READONLY;
 368                 Cmd_ExecuteString (msg, src_command);
 369                 csqc_progcrc.flags = crcflags;
 370                 csqc_progsize.flags = sizeflags;
 371                 return;
 372         }
 373
 374         if(cls.demoplayback)
 375         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 376         {
 377                 // special handling for map download commands
 378                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 379                 // that way, there is no black screen when playing back demos
 380                 // I know this is a really ugly hack, but I can't think of any better way
 381                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 382                 // until all maps are loaded, then remove this hack
 383
 384                 char buf[MAX_INPUTLINE];
 385                 const char *p, *q;
 386                 size_t l;
 387
 388                 p = msg;
 389
 390                 for(;;)
 391                 {
 392                         q = strchr(p, '\n');
 393                         if(q)
 394                                 l = q - p;
 395                         else
 396                                 l = strlen(p);
 397                         if(l > sizeof(buf) - 1)
 398                                 l = sizeof(buf) - 1;
 399                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 400
 401                         Cmd_ExecuteString(buf, src_command);
 402
 403                         p += l;
 404                         if(*p == '\n')
 405                                 ++p; // skip the newline and continue
 406                         else
 407                                 break; // end of string or overflow
 408                 }
 409                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
 410                 return;
 411         }
 412
 413         if(!cl.csqc_loaded)
 414         {
 415                 Cbuf_AddText(msg);
 416                 return;
 417         }
 418         CSQC_BEGIN
 419         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 420         {
 421                 prog->globals.client->time = cl.time;
 422                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 423                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 424                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 425                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 426                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 427         }
 428         else
 429                 Cbuf_AddText(msg);
 430         CSQC_END
 431 }
 432
 433 static void CL_VM_Parse_Print (const char *msg)
 434 {
 435         int restorevm_tempstringsbuf_cursize;
 436         prog->globals.client->time = cl.time;
 437         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 438         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 439         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 440         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 441         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 442 }
 443
 444 void CSQC_AddPrintText (const char *msg)
 445 {
 446         size_t i;
 447         if(!cl.csqc_loaded)
 448         {
 449                 Con_Print(msg);
 450                 return;
 451         }
 452         CSQC_BEGIN
 453         if(prog->funcoffsets.CSQC_Parse_Print)
 454         {
 455                 // FIXME: is this bugged?
 456                 i = strlen(msg)-1;
 457                 if(msg[i] != '\n' && msg[i] != '\r')
 458                 {
 459                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 460                         {
 461                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 462                                 cl.csqc_printtextbuf[0] = 0;
 463                         }
 464                         else
 465                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 466                         return;
 467                 }
 468                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 469                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 470                 cl.csqc_printtextbuf[0] = 0;
 471         }
 472         else
 473                 Con_Print(msg);
 474         CSQC_END
 475 }
 476
 477 void CL_VM_Parse_CenterPrint (const char *msg)
 478 {
 479         int restorevm_tempstringsbuf_cursize;
 480         if(!cl.csqc_loaded)
 481         {
 482                 SCR_CenterPrint(msg);
 483                 return;
 484         }
 485         CSQC_BEGIN
 486         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 487         {
 488                 prog->globals.client->time = cl.time;
 489                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 490                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 491                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 492                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 493                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 494         }
 495         else
 496                 SCR_CenterPrint(msg);
 497         CSQC_END
 498 }
 499
 500 void CL_VM_UpdateIntermissionState (int intermission)
 501 {
 502         prvm_eval_t *val;
 503         if(cl.csqc_loaded)
 504         {
 505                 CSQC_BEGIN
 506                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.intermission);
 507                 if(val)
 508                         val->_float = intermission;
 509                 CSQC_END
 510         }
 511 }
 512 void CL_VM_UpdateShowingScoresState (int showingscores)
 513 {
 514         prvm_eval_t *val;
 515         if(cl.csqc_loaded)
 516         {
 517                 CSQC_BEGIN
 518                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.sb_showscores);
 519                 if(val)
 520                         val->_float = showingscores;
 521                 CSQC_END
 522         }
 523 }
 524 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos)
 525 {
 526         qboolean r = false;
 527         if(cl.csqc_loaded)
 528         {
 529                 CSQC_BEGIN
 530                 if(prog->funcoffsets.CSQC_Event_Sound)
 531                 {
 532                         prog->globals.client->time = cl.time;
 533                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 534                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 535                         PRVM_G_FLOAT(OFS_PARM1) = channel;
 536                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 537                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 538                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 539                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 540                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event_Sound, "QC function CSQC_Event_Sound is missing");
 541                         r = CSQC_RETURNVAL;
 542                 }
 543                 CSQC_END
 544         }
 545
 546         return r;
 547 }
 548 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 549 {
 550         // Avoid global names for clean(er) coding
 551         int localcoop;
 552         int localdeathmatch;
 553
 554         prvm_eval_t *val;
 555         if(cl.csqc_loaded)
 556         {
 557                 if(gametype == GAME_COOP)
 558                 {
 559                         localcoop = 1;
 560                         localdeathmatch = 0;
 561                 }
 562                 else
 563                 if(gametype == GAME_DEATHMATCH)
 564                 {
 565                         localcoop = 0;
 566                         localdeathmatch = 1;
 567                 }
 568                 else
 569                 {
 570                         // How did the ServerInfo send an unknown gametype?
 571                         // Better just assign the globals as 0...
 572                         localcoop = 0;
 573                         localdeathmatch = 0;
 574                 }
 575                 CSQC_BEGIN
 576                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.coop);
 577                 if(val)
 578                         val->_float = localcoop;
 579                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.deathmatch);
 580                 if(val)
 581                         val->_float = localdeathmatch;
 582                 CSQC_END
 583         }
 584 }
 585 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 586 {
 587         float r = 0;
 588         if(!cl.csqc_loaded)
 589                 return 0;
 590         CSQC_BEGIN
 591         if(prog->funcoffsets.CSQC_Event)
 592         {
 593                 prog->globals.client->time = cl.time;
 594                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 595                 PRVM_G_FLOAT(OFS_PARM0) = event;
 596                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 597                 r = CSQC_RETURNVAL;
 598         }
 599         CSQC_END
 600         return r;
 601 }
 602
 603 void CSQC_ReadEntities (void)
 604 {
 605         unsigned short entnum, oldself, realentnum;
 606         if(!cl.csqc_loaded)
 607         {
 608                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 609                 return;
 610         }
 611
 612         CSQC_BEGIN
 613                 prog->globals.client->time = cl.time;
 614                 oldself = prog->globals.client->self;
 615                 while(1)
 616                 {
 617                         entnum = MSG_ReadShort();
 618                         if(!entnum || msg_badread)
 619                                 return;
 620                         realentnum = entnum & 0x7FFF;
 621                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 622                         if(entnum & 0x8000)
 623                         {
 624                                 if(prog->globals.client->self)
 625                                 {
 626                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 627                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 628                                 }
 629                                 else
 630                                 {
 631                                         // LordHavoc: removing an entity that is already gone on
 632                                         // the csqc side is possible for legitimate reasons (such
 633                                         // as a repeat of the remove message), so no warning is
 634                                         // needed
 635                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 636                                 }
 637                         }
 638                         else
 639                         {
 640                                 if(!prog->globals.client->self)
 641                                 {
 642                                         if(!prog->funcoffsets.CSQC_Ent_Spawn)
 643                                         {
 644                                                 prvm_edict_t    *ed;
 645                                                 ed = PRVM_ED_Alloc();
 646                                                 ed->fields.client->entnum = realentnum;
 647                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 648                                         }
 649                                         else
 650                                         {
 651                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 652                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 653                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 654                                                 // make sure no one gets wrong ideas
 655                                                 prog->globals.client->self = 0;
 656                                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Spawn, "QC function CSQC_Ent_Spawn is missing");
 657                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 658                                         }
 659                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 660                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 661                                 }
 662                                 else {
 663                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 664                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 665                                 }
 666                         }
 667                 }
 668                 prog->globals.client->self = oldself;
 669         CSQC_END
 670 }
 671
 672 void CL_VM_CB_BeginIncreaseEdicts(void)
 673 {
 674         // links don't survive the transition, so unlink everything
 675         World_UnlinkAll(&cl.world);
 676 }
 677
 678 void CL_VM_CB_EndIncreaseEdicts(void)
 679 {
 680         int i;
 681         prvm_edict_t *ent;
 682
 683         // link every entity except world
 684         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 685                 if (!ent->priv.server->free)
 686                         CL_LinkEdict(ent);
 687 }
 688
 689 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 690 {
 691         e->priv.server->move = false; // don't move on first frame
 692 }
 693
 694 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 695 {
 696         World_UnlinkEdict(ed);
 697         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 698 }
 699
 700 void CL_VM_CB_CountEdicts(void)
 701 {
 702         int             i;
 703         prvm_edict_t    *ent;
 704         int             active = 0, models = 0, solid = 0;
 705
 706         for (i=0 ; i<prog->num_edicts ; i++)
 707         {
 708                 ent = PRVM_EDICT_NUM(i);
 709                 if (ent->priv.server->free)
 710                         continue;
 711                 active++;
 712                 if (ent->fields.client->solid)
 713                         solid++;
 714                 if (ent->fields.client->model)
 715                         models++;
 716         }
 717
 718         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 719         Con_Printf("active    :%3i\n", active);
 720         Con_Printf("view      :%3i\n", models);
 721         Con_Printf("touch     :%3i\n", solid);
 722 }
 723
 724 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 725 {
 726         return true;
 727 }
 728
 729 void Cmd_ClearCsqcFuncs (void);
 730
 731 // returns true if the packet is valid, false if end of file is reached
 732 // used for dumping the CSQC download into demo files
 733 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, unsigned long len, int crc, int cnt, sizebuf_t *buf, int protocol)
 734 {
 735         int packetsize = buf->maxsize - 7; // byte short long
 736         int npackets = (len + packetsize - 1) / (packetsize);
 737
 738         if(protocol == PROTOCOL_QUAKEWORLD)
 739                 return false; // CSQC can't run in QW anyway
 740
 741         SZ_Clear(buf);
 742         if(cnt == 0)
 743         {
 744                 MSG_WriteByte(buf, svc_stufftext);
 745                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", len, filename));
 746                 return true;
 747         }
 748         else if(cnt >= 1 && cnt <= npackets)
 749         {
 750                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 751                 int thispacketsize = len - thispacketoffset;
 752                 if(thispacketsize > packetsize)
 753                         thispacketsize = packetsize;
 754
 755                 MSG_WriteByte(buf, svc_downloaddata);
 756                 MSG_WriteLong(buf, thispacketoffset);
 757                 MSG_WriteShort(buf, thispacketsize);
 758                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 759
 760                 return true;
 761         }
 762         else if(cnt == npackets + 1)
 763         {
 764                 MSG_WriteByte(buf, svc_stufftext);
 765                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", len, crc));
 766                 return true;
 767         }
 768         return false;
 769 }
 770
 771 void CL_VM_Init (void)
 772 {
 773         const char* csprogsfn;
 774         unsigned char *csprogsdata;
 775         fs_offset_t csprogsdatasize;
 776         int csprogsdatacrc, requiredcrc;
 777         int requiredsize;
 778         prvm_eval_t *val;
 779
 780         // reset csqc_progcrc after reading it, so that changing servers doesn't
 781         // expect csqc on the next server
 782         requiredcrc = csqc_progcrc.integer;
 783         requiredsize = csqc_progsize.integer;
 784         Cvar_SetValueQuick(&csqc_progcrc, -1);
 785         Cvar_SetValueQuick(&csqc_progsize, -1);
 786
 787         // if the server is not requesting a csprogs, then we're done here
 788         if (requiredcrc < 0)
 789                 return;
 790
 791         // see if the requested csprogs.dat file matches the requested crc
 792         csprogsdatacrc = -1;
 793         csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 794         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 795         if (!csprogsdata)
 796         {
 797                 csprogsfn = csqc_progname.string;
 798                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 799         }
 800         if (csprogsdata)
 801         {
 802                 csprogsdatacrc = CRC_Block(csprogsdata, csprogsdatasize);
 803                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 804                 {
 805                         if (cls.demoplayback)
 806                         {
 807                                 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);
 808                                 // Mem_Free(csprogsdata);
 809                                 // return;
 810                                 // We WANT to continue here, and play the demo with different csprogs!
 811                                 // After all, this is just a warning. Sure things may go wrong from here.
 812                         }
 813                         else
 814                         {
 815                                 Mem_Free(csprogsdata);
 816                                 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);
 817                                 CL_Disconnect();
 818                                 return;
 819                         }
 820                 }
 821         }
 822         else
 823         {
 824                 if (requiredcrc >= 0)
 825                 {
 826                         if (cls.demoplayback)
 827                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 828                         else
 829                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 830                         CL_Disconnect();
 831                 }
 832                 return;
 833         }
 834
 835         PRVM_Begin;
 836         PRVM_InitProg(PRVM_CLIENTPROG);
 837
 838         // allocate the mempools
 839         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 840         prog->headercrc = CL_PROGHEADER_CRC;
 841         prog->edictprivate_size = 0; // no private struct used
 842         prog->name = CL_NAME;
 843         prog->num_edicts = 1;
 844         prog->max_edicts = 512;
 845         prog->limit_edicts = CL_MAX_EDICTS;
 846         prog->reserved_edicts = 0;
 847         prog->edictprivate_size = sizeof(edict_engineprivate_t);
 848         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
 849         prog->extensionstring = vm_sv_extensions;
 850         prog->builtins = vm_cl_builtins;
 851         prog->numbuiltins = vm_cl_numbuiltins;
 852         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
 853         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
 854         prog->init_edict = CL_VM_CB_InitEdict;
 855         prog->free_edict = CL_VM_CB_FreeEdict;
 856         prog->count_edicts = CL_VM_CB_CountEdicts;
 857         prog->load_edict = CL_VM_CB_LoadEdict;
 858         prog->init_cmd = VM_CL_Cmd_Init;
 859         prog->reset_cmd = VM_CL_Cmd_Reset;
 860         prog->error_cmd = CL_VM_Error;
 861
 862         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, 0, NULL, 0, NULL);
 863
 864         if (!prog->loaded)
 865         {
 866                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
 867                 if(!sv.active)
 868                         CL_Disconnect();
 869                 Mem_Free(csprogsdata);
 870                 return;
 871         }
 872
 873         Con_Printf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
 874
 875         if(cls.demorecording)
 876         {
 877                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
 878                 {
 879                         int i;
 880                         char buf[NET_MAXMESSAGE];
 881                         sizebuf_t sb;
 882                         unsigned char *demobuf; fs_offset_t demofilesize;
 883
 884                         sb.data = (unsigned char *) buf;
 885                         sb.maxsize = sizeof(buf);
 886                         i = 0;
 887
 888                         CL_CutDemo(&demobuf, &demofilesize);
 889                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
 890                                 CL_WriteDemoMessage(&sb);
 891                         CL_PasteDemo(&demobuf, &demofilesize);
 892
 893                         cls.demo_lastcsprogssize = csprogsdatasize;
 894                         cls.demo_lastcsprogscrc = csprogsdatacrc;
 895                 }
 896         }
 897         Mem_Free(csprogsdata);
 898
 899         // check if OP_STATE animation is possible in this dat file
 900         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
 901                 prog->flag |= PRVM_OP_STATE;
 902
 903         // set time
 904         prog->globals.client->time = cl.time;
 905         prog->globals.client->self = 0;
 906
 907         prog->globals.client->mapname = cl.worldmodel ? PRVM_SetEngineString(cl.worldmodel->name) : PRVM_SetEngineString("");
 908         prog->globals.client->player_localentnum = cl.playerentity;
 909
 910         // set map description (use world entity 0)
 911         val = PRVM_EDICTFIELDVALUE(prog->edicts, prog->fieldoffsets.message);
 912         if(val)
 913                 val->string = PRVM_SetEngineString(cl.levelname);
 914         VectorCopy(cl.world.mins, prog->edicts->fields.client->mins);
 915         VectorCopy(cl.world.maxs, prog->edicts->fields.client->maxs);
 916
 917         // call the prog init
 918         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
 919
 920         PRVM_End;
 921         cl.csqc_loaded = true;
 922
 923         cl.csqc_vidvars.drawcrosshair = false;
 924         cl.csqc_vidvars.drawenginesbar = false;
 925
 926         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
 927         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
 928 }
 929
 930 void CL_VM_ShutDown (void)
 931 {
 932         Cmd_ClearCsqcFuncs();
 933         //Cvar_SetValueQuick(&csqc_progcrc, -1);
 934         //Cvar_SetValueQuick(&csqc_progsize, -1);
 935         if(!cl.csqc_loaded)
 936                 return;
 937         CSQC_BEGIN
 938                 prog->globals.client->time = cl.time;
 939                 prog->globals.client->self = 0;
 940                 if (prog->funcoffsets.CSQC_Shutdown)
 941                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
 942                 PRVM_ResetProg();
 943         CSQC_END
 944         Con_Print("CSQC ^1unloaded\n");
 945         cl.csqc_loaded = false;
 946 }
 947
 948 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
 949 {
 950         prvm_edict_t *ed;
 951         dp_model_t *mod;
 952         qboolean r = 0;
 953
 954         CSQC_BEGIN;
 955
 956         // FIXME consider attachments here!
 957
 958         ed = PRVM_EDICT_NUM(entnum - 32768);
 959
 960         if(!ed->priv.required->free)
 961         {
 962                 mod = CL_GetModelFromEdict(ed);
 963                 VectorCopy(ed->fields.client->origin, out);
 964                 if (mod && mod->soundfromcenter)
 965                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
 966                 r = 1;
 967         }
 968
 969         CSQC_END;
 970
 971         return r;
 972 }