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 #include "prvm_cmds.h"
   9
  10 //============================================================================
  11 // Client prog handling
  12 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
  13
  14 #define CSQC_RETURNVAL  prog->globals.generic[OFS_RETURN]
  15 #define CSQC_BEGIN              csqc_tmpprog=prog;prog=0;PRVM_SetProg(PRVM_CLIENTPROG);
  16 #define CSQC_END                prog=csqc_tmpprog;
  17
  18 static prvm_prog_t *csqc_tmpprog;
  19
  20 void CL_VM_PreventInformationLeaks(void)
  21 {
  22         prvm_eval_t *val;
  23         if(!cl.csqc_loaded)
  24                 return;
  25         CSQC_BEGIN
  26                 VM_ClearTraceGlobals();
  27                 if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_networkentity)))
  28                         val->_float = 0;
  29         CSQC_END
  30 }
  31
  32 //[515]: these are required funcs
  33 static char *cl_required_func[] =
  34 {
  35         "CSQC_Init",
  36         "CSQC_InputEvent",
  37         "CSQC_UpdateView",
  38         "CSQC_ConsoleCommand",
  39 };
  40
  41 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  42
  43 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
  44 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
  45 {
  46         char errorstring[4096];
  47         va_list argptr;
  48
  49         va_start (argptr, format);
  50         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
  51         va_end (argptr);
  52 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
  53
  54         PRVM_Crash();
  55         cl.csqc_loaded = false;
  56
  57         Cvar_SetValueQuick(&csqc_progcrc, -1);
  58         Cvar_SetValueQuick(&csqc_progsize, -1);
  59
  60 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
  61         Host_Error("CL_VM_Error: %s", errorstring);
  62 }
  63 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
  64 {
  65         prvm_eval_t *val;
  66         if(cl.csqc_loaded)
  67         {
  68                 CSQC_BEGIN
  69                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_take);
  70                 if(val)
  71                         val->_float = dmg_take;
  72                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_save);
  73                 if(val)
  74                         val->_float = dmg_save;
  75                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.dmg_origin);
  76                 if(val)
  77                 {
  78                         val->vector[0] = dmg_origin[0];
  79                         val->vector[1] = dmg_origin[1];
  80                         val->vector[2] = dmg_origin[2];
  81                 }
  82                 CSQC_END
  83         }
  84 }
  85
  86 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
  87 {
  88         prvm_eval_t *val;
  89         if(!cl.csqc_loaded)
  90                 return;
  91         CSQC_BEGIN
  92         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.servertime)))
  93                 val->_float = newtime;
  94         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.serverprevtime)))
  95                 val->_float = oldtime;
  96         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.serverdeltatime)))
  97                 val->_float = newtime - oldtime;
  98         CSQC_END
  99 }
 100
 101 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
 102 static void CSQC_SetGlobals (void)
 103 {
 104         prvm_eval_t *val;
 105         CSQC_BEGIN
 106                 prog->globals.client->time = cl.time;
 107                 prog->globals.client->frametime = max(0, cl.time - cl.oldtime);
 108                 prog->globals.client->servercommandframe = cls.servermovesequence;
 109                 prog->globals.client->clientcommandframe = cl.movecmd[0].sequence;
 110                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
 111                 VectorCopy(cl.viewangles, cl.csqc_angles);
 112                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
 113                 prog->globals.client->input_buttons = cl.movecmd[0].buttons;
 114                 VectorSet(prog->globals.client->input_movevalues, cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
 115                 //VectorCopy(cl.movement_origin, cl.csqc_origin);
 116                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, cl.csqc_origin);
 117
 118                 // LordHavoc: Spike says not to do this, but without pmove_org the
 119                 // CSQC is useless as it can't alter the view origin without
 120                 // completely replacing it
 121                 VectorCopy(cl.csqc_origin, prog->globals.client->pmove_org);
 122                 VectorCopy(cl.movement_velocity, prog->globals.client->pmove_vel);
 123
 124                 if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.view_angles)))
 125                         VectorCopy(cl.viewangles, val->vector);
 126                 prog->globals.client->maxclients = cl.maxclients;
 127         CSQC_END
 128 }
 129
 130 void CSQC_Predraw (prvm_edict_t *ed)
 131 {
 132         int b;
 133         if(!ed->fields.client->predraw)
 134                 return;
 135         b = prog->globals.client->self;
 136         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 137         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
 138         prog->globals.client->self = b;
 139 }
 140
 141 void CSQC_Think (prvm_edict_t *ed)
 142 {
 143         int b;
 144         if(ed->fields.client->think)
 145         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 146         {
 147                 ed->fields.client->nextthink = 0;
 148                 b = prog->globals.client->self;
 149                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 150                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 151                 prog->globals.client->self = b;
 152         }
 153 }
 154
 155 extern cvar_t cl_noplayershadow;
 156 extern cvar_t r_equalize_entities_fullbright;
 157 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed)
 158 {
 159         int renderflags;
 160         int c;
 161         float scale;
 162         prvm_eval_t *val;
 163         entity_render_t *entrender;
 164         dp_model_t *model;
 165         matrix4x4_t tagmatrix, matrix2;
 166
 167         model = CL_GetModelFromEdict(ed);
 168         if (!model)
 169                 return false;
 170
 171         entrender = CL_NewTempEntity(0);
 172         if (!entrender)
 173                 return false;
 174
 175         entrender->model = model;
 176         entrender->skinnum = (int)ed->fields.client->skin;
 177         entrender->effects |= entrender->model->effects;
 178         scale = 1;
 179         renderflags = 0;
 180         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.renderflags)) && val->_float)     renderflags = (int)val->_float;
 181         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.alpha)) && val->_float)           entrender->alpha = val->_float;
 182         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.scale)) && val->_float)           entrender->scale = scale = val->_float;
 183         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, entrender->colormod);
 184         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.glowmod)) && VectorLength2(val->vector))  VectorCopy(val->vector, entrender->glowmod);
 185         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.effects)) && val->_float) entrender->effects |= (int)val->_float;
 186         if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_entity)) && val->edict)
 187         {
 188                 int tagentity;
 189                 int tagindex = 0;
 190                 tagentity = val->edict;
 191                 if((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.tag_index)) && val->_float)
 192                         tagindex = (int)val->_float;
 193                 CL_GetTagMatrix (&tagmatrix, PRVM_PROG_TO_EDICT(tagentity), tagindex);
 194         }
 195         else
 196                 Matrix4x4_CreateIdentity(&tagmatrix);
 197         if (!VectorLength2(entrender->colormod))
 198                 VectorSet(entrender->colormod, 1, 1, 1);
 199         if (!VectorLength2(entrender->glowmod))
 200                 VectorSet(entrender->glowmod, 1, 1, 1);
 201
 202         if (renderflags & RF_USEAXIS)
 203         {
 204                 vec3_t left;
 205                 VectorNegate(prog->globals.client->v_right, left);
 206                 Matrix4x4_FromVectors(&matrix2, prog->globals.client->v_forward, left, prog->globals.client->v_up, ed->fields.client->origin);
 207                 Matrix4x4_Scale(&matrix2, scale, 1);
 208         }
 209         else
 210         {
 211                 vec3_t angles;
 212                 VectorCopy(ed->fields.client->angles, angles);
 213                 // if model is alias, reverse pitch direction
 214                 if (entrender->model->type == mod_alias)
 215                         angles[0] = -angles[0];
 216
 217                 // set up the render matrix
 218                 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);
 219         }
 220
 221         // set up the animation data
 222         // self.frame is the interpolation target (new frame)
 223         // self.frame1time is the animation base time for the interpolation target
 224         // self.frame2 is the interpolation start (previous frame)
 225         // self.frame2time is the animation base time for the interpolation start
 226         // self.lerpfrac is the interpolation strength for self.frame
 227         // 3+ are for additional blends (the main use for this feature is lerping
 228         // pitch angle on a player model where the animator set up 5 sets of
 229         // animations and the csqc simply lerps between sets)
 230         entrender->framegroupblend[0].frame = entrender->framegroupblend[1].frame = (int) ed->fields.client->frame;
 231         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) entrender->framegroupblend[1].frame = (int) val->_float;
 232         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame3))) entrender->framegroupblend[2].frame = (int) val->_float;
 233         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame4))) entrender->framegroupblend[3].frame = (int) val->_float;
 234         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) entrender->framegroupblend[0].start = val->_float;
 235         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) entrender->framegroupblend[1].start = val->_float;
 236         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame3time))) entrender->framegroupblend[2].start = val->_float;
 237         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame4time))) entrender->framegroupblend[3].start = val->_float;
 238         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) entrender->framegroupblend[0].lerp = val->_float;
 239         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac3))) entrender->framegroupblend[2].lerp = val->_float;
 240         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac4))) entrender->framegroupblend[3].lerp = val->_float;
 241         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.shadertime))) entrender->shadertime = val->_float;
 242         // assume that the (missing) lerpfrac2 is whatever remains after lerpfrac+lerpfrac3+lerpfrac4 are summed
 243         entrender->framegroupblend[1].lerp = 1 - entrender->framegroupblend[0].lerp - entrender->framegroupblend[2].lerp - entrender->framegroupblend[3].lerp;
 244
 245         // concat the matrices to make the entity relative to its tag
 246         Matrix4x4_Concat(&entrender->matrix, &tagmatrix, &matrix2);
 247
 248         // transparent offset
 249         if ((renderflags & RF_USETRANSPARENTOFFSET) && (val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.transparent_offset)))
 250                 entrender->transparent_offset = val->_float;
 251
 252         if(renderflags)
 253         {
 254                 if(renderflags & RF_VIEWMODEL)  entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 255                 if(renderflags & RF_EXTERNALMODEL)entrender->flags |= RENDER_EXTERIORMODEL;
 256                 if(renderflags & RF_NOCULL)             entrender->flags |= RENDER_NOCULL;
 257                 if(renderflags & RF_DEPTHHACK)  entrender->flags |= RENDER_NODEPTHTEST;
 258                 if(renderflags & RF_ADDITIVE)           entrender->flags |= RENDER_ADDITIVE;
 259
 260         }
 261
 262         c = (int)ed->fields.client->colormap;
 263         if (c <= 0)
 264                 CL_SetEntityColormapColors(entrender, -1);
 265         else if (c <= cl.maxclients && cl.scores != NULL)
 266                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 267         else
 268                 CL_SetEntityColormapColors(entrender, c);
 269
 270         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 271         // either fullbright or lit
 272         if(!r_fullbright.integer)
 273         {
 274                 if (!(entrender->effects & EF_FULLBRIGHT))
 275                         entrender->flags |= RENDER_LIGHT;
 276                 else if(r_equalize_entities_fullbright.integer)
 277                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 278         }
 279         // hide player shadow during intermission or nehahra movie
 280         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 281          &&  (entrender->alpha >= 1)
 282          && !(entrender->flags & RENDER_VIEWMODEL)
 283          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 284                 entrender->flags |= RENDER_SHADOW;
 285         if (entrender->flags & RENDER_VIEWMODEL)
 286                 entrender->flags |= RENDER_NOSELFSHADOW;
 287         if (entrender->effects & EF_NOSELFSHADOW)
 288                 entrender->flags |= RENDER_NOSELFSHADOW;
 289         if (entrender->effects & EF_NODEPTHTEST)
 290                 entrender->flags |= RENDER_NODEPTHTEST;
 291         if (entrender->effects & EF_ADDITIVE)
 292                 entrender->flags |= RENDER_ADDITIVE;
 293         if (entrender->effects & EF_DOUBLESIDED)
 294                 entrender->flags |= RENDER_DOUBLESIDED;
 295
 296         // make the other useful stuff
 297         CL_UpdateRenderEntity(entrender);
 298
 299         return true;
 300 }
 301
 302 qboolean CL_VM_InputEvent (qboolean down, int key, int ascii)
 303 {
 304         qboolean r;
 305
 306         if(!cl.csqc_loaded)
 307                 return false;
 308
 309         CSQC_BEGIN
 310                 if (!prog->funcoffsets.CSQC_InputEvent)
 311                         r = false;
 312                 else
 313                 {
 314                         prog->globals.client->time = cl.time;
 315                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 316                         PRVM_G_FLOAT(OFS_PARM0) = !down; // 0 is down, 1 is up
 317                         PRVM_G_FLOAT(OFS_PARM1) = key;
 318                         PRVM_G_FLOAT(OFS_PARM2) = ascii;
 319                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 320                         r = CSQC_RETURNVAL != 0;
 321                 }
 322         CSQC_END
 323         return r;
 324 }
 325
 326 qboolean CL_VM_UpdateView (void)
 327 {
 328         vec3_t emptyvector;
 329         emptyvector[0] = 0;
 330         emptyvector[1] = 0;
 331         emptyvector[2] = 0;
 332 //      vec3_t oldangles;
 333         if(!cl.csqc_loaded)
 334                 return false;
 335         CSQC_BEGIN
 336                 //VectorCopy(cl.viewangles, oldangles);
 337                 prog->globals.client->time = cl.time;
 338                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 339                 CSQC_SetGlobals();
 340                 // clear renderable entity and light lists to prevent crashes if the
 341                 // CSQC_UpdateView function does not call R_ClearScene as it should
 342                 r_refdef.scene.numentities = 0;
 343                 r_refdef.scene.numlights = 0;
 344                 // pass in width and height as parameters (EXT_CSQC_1)
 345                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 346                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 347                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 348                 //VectorCopy(oldangles, cl.viewangles);
 349                 // Dresk : Reset Dmg Globals Here
 350                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 351         CSQC_END
 352         return true;
 353 }
 354
 355 extern sizebuf_t vm_tempstringsbuf;
 356 qboolean CL_VM_ConsoleCommand (const char *cmd)
 357 {
 358         int restorevm_tempstringsbuf_cursize;
 359         qboolean r = false;
 360         if(!cl.csqc_loaded)
 361                 return false;
 362         CSQC_BEGIN
 363         if (prog->funcoffsets.CSQC_ConsoleCommand)
 364         {
 365                 prog->globals.client->time = cl.time;
 366                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 367                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 368                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 369                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 370                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 371                 r = CSQC_RETURNVAL != 0;
 372         }
 373         CSQC_END
 374         return r;
 375 }
 376
 377 qboolean CL_VM_Parse_TempEntity (void)
 378 {
 379         int                     t;
 380         qboolean        r = false;
 381         if(!cl.csqc_loaded)
 382                 return false;
 383         CSQC_BEGIN
 384         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 385         {
 386                 t = msg_readcount;
 387                 prog->globals.client->time = cl.time;
 388                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 389                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 390                 r = CSQC_RETURNVAL != 0;
 391                 if(!r)
 392                 {
 393                         msg_readcount = t;
 394                         msg_badread = false;
 395                 }
 396         }
 397         CSQC_END
 398         return r;
 399 }
 400
 401 void CL_VM_Parse_StuffCmd (const char *msg)
 402 {
 403         int restorevm_tempstringsbuf_cursize;
 404         if(msg[0] == 'c')
 405         if(msg[1] == 's')
 406         if(msg[2] == 'q')
 407         if(msg[3] == 'c')
 408         {
 409                 // if this is setting a csqc variable, deprotect csqc_progcrc
 410                 // temporarily so that it can be set by the cvar command,
 411                 // and then reprotect it afterwards
 412                 int crcflags = csqc_progcrc.flags;
 413                 int sizeflags = csqc_progcrc.flags;
 414                 csqc_progcrc.flags &= ~CVAR_READONLY;
 415                 csqc_progsize.flags &= ~CVAR_READONLY;
 416                 Cmd_ExecuteString (msg, src_command);
 417                 csqc_progcrc.flags = crcflags;
 418                 csqc_progsize.flags = sizeflags;
 419                 return;
 420         }
 421
 422         if(cls.demoplayback)
 423         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 424         {
 425                 // special handling for map download commands
 426                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 427                 // that way, there is no black screen when playing back demos
 428                 // I know this is a really ugly hack, but I can't think of any better way
 429                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 430                 // until all maps are loaded, then remove this hack
 431
 432                 char buf[MAX_INPUTLINE];
 433                 const char *p, *q;
 434                 size_t l;
 435
 436                 p = msg;
 437
 438                 for(;;)
 439                 {
 440                         q = strchr(p, '\n');
 441                         if(q)
 442                                 l = q - p;
 443                         else
 444                                 l = strlen(p);
 445                         if(l > sizeof(buf) - 1)
 446                                 l = sizeof(buf) - 1;
 447                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 448
 449                         Cmd_ExecuteString(buf, src_command);
 450
 451                         p += l;
 452                         if(*p == '\n')
 453                                 ++p; // skip the newline and continue
 454                         else
 455                                 break; // end of string or overflow
 456                 }
 457                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
 458                 return;
 459         }
 460
 461         if(!cl.csqc_loaded)
 462         {
 463                 Cbuf_AddText(msg);
 464                 return;
 465         }
 466         CSQC_BEGIN
 467         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 468         {
 469                 prog->globals.client->time = cl.time;
 470                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 471                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 472                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 473                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 474                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 475         }
 476         else
 477                 Cbuf_AddText(msg);
 478         CSQC_END
 479 }
 480
 481 static void CL_VM_Parse_Print (const char *msg)
 482 {
 483         int restorevm_tempstringsbuf_cursize;
 484         prog->globals.client->time = cl.time;
 485         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 486         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 487         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 488         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 489         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 490 }
 491
 492 void CSQC_AddPrintText (const char *msg)
 493 {
 494         size_t i;
 495         if(!cl.csqc_loaded)
 496         {
 497                 Con_Print(msg);
 498                 return;
 499         }
 500         CSQC_BEGIN
 501         if(prog->funcoffsets.CSQC_Parse_Print)
 502         {
 503                 // FIXME: is this bugged?
 504                 i = strlen(msg)-1;
 505                 if(msg[i] != '\n' && msg[i] != '\r')
 506                 {
 507                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 508                         {
 509                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 510                                 cl.csqc_printtextbuf[0] = 0;
 511                         }
 512                         else
 513                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 514                         return;
 515                 }
 516                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 517                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 518                 cl.csqc_printtextbuf[0] = 0;
 519         }
 520         else
 521                 Con_Print(msg);
 522         CSQC_END
 523 }
 524
 525 void CL_VM_Parse_CenterPrint (const char *msg)
 526 {
 527         int restorevm_tempstringsbuf_cursize;
 528         if(!cl.csqc_loaded)
 529         {
 530                 SCR_CenterPrint(msg);
 531                 return;
 532         }
 533         CSQC_BEGIN
 534         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 535         {
 536                 prog->globals.client->time = cl.time;
 537                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 538                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 539                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 540                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 541                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 542         }
 543         else
 544                 SCR_CenterPrint(msg);
 545         CSQC_END
 546 }
 547
 548 void CL_VM_UpdateIntermissionState (int intermission)
 549 {
 550         prvm_eval_t *val;
 551         if(cl.csqc_loaded)
 552         {
 553                 CSQC_BEGIN
 554                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.intermission);
 555                 if(val)
 556                         val->_float = intermission;
 557                 CSQC_END
 558         }
 559 }
 560 void CL_VM_UpdateShowingScoresState (int showingscores)
 561 {
 562         prvm_eval_t *val;
 563         if(cl.csqc_loaded)
 564         {
 565                 CSQC_BEGIN
 566                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.sb_showscores);
 567                 if(val)
 568                         val->_float = showingscores;
 569                 CSQC_END
 570         }
 571 }
 572 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos)
 573 {
 574         qboolean r = false;
 575         if(cl.csqc_loaded)
 576         {
 577                 CSQC_BEGIN
 578                 if(prog->funcoffsets.CSQC_Event_Sound)
 579                 {
 580                         prog->globals.client->time = cl.time;
 581                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 582                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 583                         PRVM_G_FLOAT(OFS_PARM1) = channel;
 584                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 585                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 586                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 587                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 588                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event_Sound, "QC function CSQC_Event_Sound is missing");
 589                         r = CSQC_RETURNVAL != 0;
 590                 }
 591                 CSQC_END
 592         }
 593
 594         return r;
 595 }
 596 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 597 {
 598         // Avoid global names for clean(er) coding
 599         int localcoop;
 600         int localdeathmatch;
 601
 602         prvm_eval_t *val;
 603         if(cl.csqc_loaded)
 604         {
 605                 if(gametype == GAME_COOP)
 606                 {
 607                         localcoop = 1;
 608                         localdeathmatch = 0;
 609                 }
 610                 else
 611                 if(gametype == GAME_DEATHMATCH)
 612                 {
 613                         localcoop = 0;
 614                         localdeathmatch = 1;
 615                 }
 616                 else
 617                 {
 618                         // How did the ServerInfo send an unknown gametype?
 619                         // Better just assign the globals as 0...
 620                         localcoop = 0;
 621                         localdeathmatch = 0;
 622                 }
 623                 CSQC_BEGIN
 624                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.coop);
 625                 if(val)
 626                         val->_float = localcoop;
 627                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.deathmatch);
 628                 if(val)
 629                         val->_float = localdeathmatch;
 630                 CSQC_END
 631         }
 632 }
 633 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 634 {
 635         float r = 0;
 636         if(!cl.csqc_loaded)
 637                 return 0;
 638         CSQC_BEGIN
 639         if(prog->funcoffsets.CSQC_Event)
 640         {
 641                 prog->globals.client->time = cl.time;
 642                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 643                 PRVM_G_FLOAT(OFS_PARM0) = event;
 644                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 645                 r = CSQC_RETURNVAL;
 646         }
 647         CSQC_END
 648         return r;
 649 }
 650
 651 void CSQC_ReadEntities (void)
 652 {
 653         unsigned short entnum, oldself, realentnum;
 654         if(!cl.csqc_loaded)
 655         {
 656                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 657                 return;
 658         }
 659
 660         CSQC_BEGIN
 661                 prog->globals.client->time = cl.time;
 662                 oldself = prog->globals.client->self;
 663                 while(1)
 664                 {
 665                         entnum = MSG_ReadShort();
 666                         if(!entnum || msg_badread)
 667                                 return;
 668                         realentnum = entnum & 0x7FFF;
 669                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 670                         if(entnum & 0x8000)
 671                         {
 672                                 if(prog->globals.client->self)
 673                                 {
 674                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 675                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 676                                 }
 677                                 else
 678                                 {
 679                                         // LordHavoc: removing an entity that is already gone on
 680                                         // the csqc side is possible for legitimate reasons (such
 681                                         // as a repeat of the remove message), so no warning is
 682                                         // needed
 683                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 684                                 }
 685                         }
 686                         else
 687                         {
 688                                 if(!prog->globals.client->self)
 689                                 {
 690                                         if(!prog->funcoffsets.CSQC_Ent_Spawn)
 691                                         {
 692                                                 prvm_edict_t    *ed;
 693                                                 ed = PRVM_ED_Alloc();
 694                                                 ed->fields.client->entnum = realentnum;
 695                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 696                                         }
 697                                         else
 698                                         {
 699                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 700                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 701                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 702                                                 // make sure no one gets wrong ideas
 703                                                 prog->globals.client->self = 0;
 704                                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Spawn, "QC function CSQC_Ent_Spawn is missing");
 705                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 706                                         }
 707                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 708                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 709                                 }
 710                                 else {
 711                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 712                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 713                                 }
 714                         }
 715                 }
 716                 prog->globals.client->self = oldself;
 717         CSQC_END
 718 }
 719
 720 void CL_VM_CB_BeginIncreaseEdicts(void)
 721 {
 722         // links don't survive the transition, so unlink everything
 723         World_UnlinkAll(&cl.world);
 724 }
 725
 726 void CL_VM_CB_EndIncreaseEdicts(void)
 727 {
 728         int i;
 729         prvm_edict_t *ent;
 730
 731         // link every entity except world
 732         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
 733                 if (!ent->priv.server->free)
 734                         CL_LinkEdict(ent);
 735 }
 736
 737 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 738 {
 739         e->priv.server->move = false; // don't move on first frame
 740 }
 741
 742 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 743 {
 744         World_UnlinkEdict(ed);
 745         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 746         World_Physics_RemoveFromEntity(&cl.world, ed);
 747         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 748 }
 749
 750 void CL_VM_CB_CountEdicts(void)
 751 {
 752         int             i;
 753         prvm_edict_t    *ent;
 754         int             active = 0, models = 0, solid = 0;
 755
 756         for (i=0 ; i<prog->num_edicts ; i++)
 757         {
 758                 ent = PRVM_EDICT_NUM(i);
 759                 if (ent->priv.server->free)
 760                         continue;
 761                 active++;
 762                 if (ent->fields.client->solid)
 763                         solid++;
 764                 if (ent->fields.client->model)
 765                         models++;
 766         }
 767
 768         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 769         Con_Printf("active    :%3i\n", active);
 770         Con_Printf("view      :%3i\n", models);
 771         Con_Printf("touch     :%3i\n", solid);
 772 }
 773
 774 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 775 {
 776         return true;
 777 }
 778
 779 void Cmd_ClearCsqcFuncs (void);
 780
 781 // returns true if the packet is valid, false if end of file is reached
 782 // used for dumping the CSQC download into demo files
 783 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, unsigned long len, int crc, int cnt, sizebuf_t *buf, int protocol)
 784 {
 785         int packetsize = buf->maxsize - 7; // byte short long
 786         int npackets = (len + packetsize - 1) / (packetsize);
 787
 788         if(protocol == PROTOCOL_QUAKEWORLD)
 789                 return false; // CSQC can't run in QW anyway
 790
 791         SZ_Clear(buf);
 792         if(cnt == 0)
 793         {
 794                 MSG_WriteByte(buf, svc_stufftext);
 795                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", len, filename));
 796                 return true;
 797         }
 798         else if(cnt >= 1 && cnt <= npackets)
 799         {
 800                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 801                 int thispacketsize = len - thispacketoffset;
 802                 if(thispacketsize > packetsize)
 803                         thispacketsize = packetsize;
 804
 805                 MSG_WriteByte(buf, svc_downloaddata);
 806                 MSG_WriteLong(buf, thispacketoffset);
 807                 MSG_WriteShort(buf, thispacketsize);
 808                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 809
 810                 return true;
 811         }
 812         else if(cnt == npackets + 1)
 813         {
 814                 MSG_WriteByte(buf, svc_stufftext);
 815                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", len, crc));
 816                 return true;
 817         }
 818         return false;
 819 }
 820
 821 void CL_VM_Init (void)
 822 {
 823         const char* csprogsfn;
 824         unsigned char *csprogsdata;
 825         fs_offset_t csprogsdatasize;
 826         int csprogsdatacrc, requiredcrc;
 827         int requiredsize;
 828         prvm_eval_t *val;
 829
 830         // reset csqc_progcrc after reading it, so that changing servers doesn't
 831         // expect csqc on the next server
 832         requiredcrc = csqc_progcrc.integer;
 833         requiredsize = csqc_progsize.integer;
 834         Cvar_SetValueQuick(&csqc_progcrc, -1);
 835         Cvar_SetValueQuick(&csqc_progsize, -1);
 836
 837         // if the server is not requesting a csprogs, then we're done here
 838         if (requiredcrc < 0)
 839                 return;
 840
 841         // see if the requested csprogs.dat file matches the requested crc
 842         csprogsdatacrc = -1;
 843         csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 844         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 845         if (!csprogsdata)
 846         {
 847                 csprogsfn = csqc_progname.string;
 848                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 849         }
 850         if (csprogsdata)
 851         {
 852                 csprogsdatacrc = CRC_Block(csprogsdata, csprogsdatasize);
 853                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 854                 {
 855                         if (cls.demoplayback)
 856                         {
 857                                 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);
 858                                 // Mem_Free(csprogsdata);
 859                                 // return;
 860                                 // We WANT to continue here, and play the demo with different csprogs!
 861                                 // After all, this is just a warning. Sure things may go wrong from here.
 862                         }
 863                         else
 864                         {
 865                                 Mem_Free(csprogsdata);
 866                                 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);
 867                                 CL_Disconnect();
 868                                 return;
 869                         }
 870                 }
 871         }
 872         else
 873         {
 874                 if (requiredcrc >= 0)
 875                 {
 876                         if (cls.demoplayback)
 877                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 878                         else
 879                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 880                         CL_Disconnect();
 881                 }
 882                 return;
 883         }
 884
 885         PRVM_Begin;
 886         PRVM_InitProg(PRVM_CLIENTPROG);
 887
 888         // allocate the mempools
 889         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 890         prog->headercrc = CL_PROGHEADER_CRC;
 891         prog->edictprivate_size = 0; // no private struct used
 892         prog->name = CL_NAME;
 893         prog->num_edicts = 1;
 894         prog->max_edicts = 512;
 895         prog->limit_edicts = CL_MAX_EDICTS;
 896         prog->reserved_edicts = 0;
 897         prog->edictprivate_size = sizeof(edict_engineprivate_t);
 898         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
 899         prog->extensionstring = vm_sv_extensions;
 900         prog->builtins = vm_cl_builtins;
 901         prog->numbuiltins = vm_cl_numbuiltins;
 902         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
 903         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
 904         prog->init_edict = CL_VM_CB_InitEdict;
 905         prog->free_edict = CL_VM_CB_FreeEdict;
 906         prog->count_edicts = CL_VM_CB_CountEdicts;
 907         prog->load_edict = CL_VM_CB_LoadEdict;
 908         prog->init_cmd = VM_CL_Cmd_Init;
 909         prog->reset_cmd = VM_CL_Cmd_Reset;
 910         prog->error_cmd = CL_VM_Error;
 911         prog->ExecuteProgram = CLVM_ExecuteProgram;
 912
 913         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, 0, NULL, 0, NULL);
 914
 915         if (!prog->loaded)
 916         {
 917                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
 918                 if(!sv.active)
 919                         CL_Disconnect();
 920                 Mem_Free(csprogsdata);
 921                 return;
 922         }
 923
 924         Con_Printf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
 925
 926         if(cls.demorecording)
 927         {
 928                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
 929                 {
 930                         int i;
 931                         char buf[NET_MAXMESSAGE];
 932                         sizebuf_t sb;
 933                         unsigned char *demobuf; fs_offset_t demofilesize;
 934
 935                         sb.data = (unsigned char *) buf;
 936                         sb.maxsize = sizeof(buf);
 937                         i = 0;
 938
 939                         CL_CutDemo(&demobuf, &demofilesize);
 940                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
 941                                 CL_WriteDemoMessage(&sb);
 942                         CL_PasteDemo(&demobuf, &demofilesize);
 943
 944                         cls.demo_lastcsprogssize = csprogsdatasize;
 945                         cls.demo_lastcsprogscrc = csprogsdatacrc;
 946                 }
 947         }
 948         Mem_Free(csprogsdata);
 949
 950         // check if OP_STATE animation is possible in this dat file
 951         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
 952                 prog->flag |= PRVM_OP_STATE;
 953
 954         // set time
 955         prog->globals.client->time = cl.time;
 956         prog->globals.client->self = 0;
 957
 958         prog->globals.client->mapname = cl.worldmodel ? PRVM_SetEngineString(cl.worldmodel->name) : PRVM_SetEngineString("");
 959         prog->globals.client->player_localentnum = cl.playerentity;
 960
 961         // set map description (use world entity 0)
 962         val = PRVM_EDICTFIELDVALUE(prog->edicts, prog->fieldoffsets.message);
 963         if(val)
 964                 val->string = PRVM_SetEngineString(cl.levelname);
 965         VectorCopy(cl.world.mins, prog->edicts->fields.client->mins);
 966         VectorCopy(cl.world.maxs, prog->edicts->fields.client->maxs);
 967
 968         // call the prog init
 969         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
 970
 971         PRVM_End;
 972         cl.csqc_loaded = true;
 973
 974         cl.csqc_vidvars.drawcrosshair = false;
 975         cl.csqc_vidvars.drawenginesbar = false;
 976
 977         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
 978         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
 979 }
 980
 981 void CL_VM_ShutDown (void)
 982 {
 983         Cmd_ClearCsqcFuncs();
 984         //Cvar_SetValueQuick(&csqc_progcrc, -1);
 985         //Cvar_SetValueQuick(&csqc_progsize, -1);
 986         if(!cl.csqc_loaded)
 987                 return;
 988         CSQC_BEGIN
 989                 prog->globals.client->time = cl.time;
 990                 prog->globals.client->self = 0;
 991                 if (prog->funcoffsets.CSQC_Shutdown)
 992                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
 993                 PRVM_ResetProg();
 994         CSQC_END
 995         Con_Print("CSQC ^1unloaded\n");
 996         cl.csqc_loaded = false;
 997 }
 998
 999 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1000 {
1001         prvm_edict_t *ed;
1002         dp_model_t *mod;
1003         matrix4x4_t matrix;
1004         qboolean r = 0;
1005
1006         CSQC_BEGIN;
1007
1008         // FIXME consider attachments here!
1009
1010         ed = PRVM_EDICT_NUM(entnum - 32768);
1011
1012         if(!ed->priv.required->free)
1013         {
1014                 mod = CL_GetModelFromEdict(ed);
1015                 VectorCopy(ed->fields.client->origin, out);
1016                 if(CL_GetTagMatrix (&matrix, ed, 0) == 0)
1017                         Matrix4x4_OriginFromMatrix(&matrix, out);
1018                 if (mod && mod->soundfromcenter)
1019                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1020                 r = 1;
1021         }
1022
1023         CSQC_END;
1024
1025         return r;
1026 }