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         if(!cl.csqc_loaded)
  23                 return;
  24         CSQC_BEGIN
  25                 VM_ClearTraceGlobals();
  26                 PRVM_clientglobalfloat(trace_networkentity) = 0;
  27         CSQC_END
  28 }
  29
  30 //[515]: these are required funcs
  31 static const char *cl_required_func[] =
  32 {
  33         "CSQC_Init",
  34         "CSQC_InputEvent",
  35         "CSQC_UpdateView",
  36         "CSQC_ConsoleCommand",
  37 };
  38
  39 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  40
  41 #define CL_REQFIELDS (sizeof(cl_reqfields) / sizeof(prvm_required_field_t))
  42
  43 prvm_required_field_t cl_reqfields[] =
  44 {
  45         {ev_entity, "aiment"}, // client field
  46         {ev_entity, "enemy"}, // client field
  47         {ev_entity, "groundentity"}, // client field
  48         {ev_entity, "tag_entity"}, // client field
  49         {ev_float, "alpha"}, // client field
  50         {ev_float, "bouncefactor"}, // client field
  51         {ev_float, "bouncestop"}, // client field
  52         {ev_float, "dphitcontentsmask"}, // client field
  53         {ev_float, "frame1time"}, // client field
  54         {ev_float, "frame2time"}, // client field
  55         {ev_float, "frame2"}, // client field
  56         {ev_float, "frame3time"}, // client field
  57         {ev_float, "frame3"}, // client field
  58         {ev_float, "frame4time"}, // client field
  59         {ev_float, "frame4"}, // client field
  60         {ev_float, "frame"}, // client field
  61         {ev_float, "gravity"}, // client field
  62         {ev_float, "gravity"}, // client field
  63         {ev_float, "ideal_yaw"}, // client field
  64         {ev_float, "idealpitch"}, // client field
  65         {ev_float, "jointtype"}, // client field
  66         {ev_float, "lerpfrac3"}, // client field
  67         {ev_float, "lerpfrac4"}, // client field
  68         {ev_float, "lerpfrac"}, // client field
  69         {ev_float, "mass"}, // client field
  70         {ev_float, "modelindex"}, // client field
  71         {ev_float, "movetype"}, // client field
  72         {ev_float, "pitch_speed"}, // client field
  73         {ev_float, "renderflags"}, // client field
  74         {ev_float, "scale"}, // client field
  75         {ev_float, "scale"}, // client field
  76         {ev_float, "shadertime"}, // client field
  77         {ev_float, "skeletonindex"}, // client field
  78         {ev_float, "solid"}, // client field
  79         {ev_float, "tag_index"}, // client field
  80         {ev_float, "userwavefunc_param0"}, // client field
  81         {ev_float, "userwavefunc_param1"}, // client field
  82         {ev_float, "userwavefunc_param2"}, // client field
  83         {ev_float, "userwavefunc_param3"}, // client field
  84         {ev_float, "yaw_speed"}, // client field
  85         {ev_function, "camera_transform"}, // client field
  86         {ev_string, "classname"}, // client field
  87         {ev_string, "message"}, // client field
  88         {ev_vector, "angles"}, // client field
  89         {ev_vector, "avelocity"}, // client field
  90         {ev_vector, "colormod"}, // client field
  91         {ev_vector, "glowmod"}, // client field
  92         {ev_vector, "maxs"}, // client field
  93         {ev_vector, "mins"}, // client field
  94         {ev_vector, "movedir"}, // client field
  95         {ev_vector, "origin"}, // client field
  96         {ev_vector, "velocity"}, // client field
  97 };
  98
  99 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
 100
 101 prvm_required_field_t cl_reqglobals[] =
 102 {
 103         {ev_entity, "self"}, // client global
 104         {ev_entity, "trace_ent"}, // client global
 105         {ev_float, "coop"}, // client global
 106         {ev_float, "deathmatch"}, // client global
 107         {ev_float, "dmg_save"}, // client global
 108         {ev_float, "dmg_take"}, // client global
 109         {ev_float, "drawfont"}, // client global
 110         {ev_float, "gettaginfo_parent"}, // client global
 111         {ev_float, "intermission"}, // client global
 112         {ev_float, "particle_airfriction"}, // client global
 113         {ev_float, "particle_alpha"}, // client global
 114         {ev_float, "particle_alphafade"}, // client global
 115         {ev_float, "particle_angle"}, // client global
 116         {ev_float, "particle_blendmode"}, // client global
 117         {ev_float, "particle_bounce"}, // client global
 118         {ev_float, "particle_delaycollision"}, // client global
 119         {ev_float, "particle_delayspawn"}, // client global
 120         {ev_float, "particle_gravity"}, // client global
 121         {ev_float, "particle_liquidfriction"}, // client global
 122         {ev_float, "particle_orientation"}, // client global
 123         {ev_float, "particle_originjitter"}, // client global
 124         {ev_float, "particle_qualityreduction"}, // client global
 125         {ev_float, "particle_size"}, // client global
 126         {ev_float, "particle_sizeincrease"}, // client global
 127         {ev_float, "particle_spin"}, // client global
 128         {ev_float, "particle_stainalpha"}, // client global
 129         {ev_float, "particle_stainsize"}, // client global
 130         {ev_float, "particle_staintex"}, // client global
 131         {ev_float, "particle_staintex"}, // client global
 132         {ev_float, "particle_stretch"}, // client global
 133         {ev_float, "particle_tex"}, // client global
 134         {ev_float, "particle_time"}, // client global
 135         {ev_float, "particle_type"}, // client global
 136         {ev_float, "particle_velocityjitter"}, // client global
 137         {ev_float, "particles_alphamax"}, // client global
 138         {ev_float, "particles_alphamin"}, // client global
 139         {ev_float, "require_spawnfunc_prefix"}, // client global
 140         {ev_float, "sb_showscores"}, // client global
 141         {ev_float, "serverdeltatime"}, // client global
 142         {ev_float, "serverprevtime"}, // client global
 143         {ev_float, "servertime"}, // client global
 144         {ev_float, "trace_allsolid"}, // client global
 145         {ev_float, "trace_dphitcontents"}, // client global
 146         {ev_float, "trace_dphitq3surfaceflags"}, // client global
 147         {ev_float, "trace_dpstartcontents"}, // client global
 148         {ev_float, "trace_fraction"}, // client global
 149         {ev_float, "trace_inopen"}, // client global
 150         {ev_float, "trace_inwater"}, // client global
 151         {ev_float, "trace_networkentity"}, // client global
 152         {ev_float, "trace_plane_dist"}, // client global
 153         {ev_float, "trace_startsolid"}, // client global
 154         {ev_float, "transparent_offset"}, // client global
 155         {ev_string, "gettaginfo_name"}, // client global
 156         {ev_string, "trace_dphittexturename"}, // client global
 157         {ev_vector, "dmg_origin"}, // client global
 158         {ev_vector, "drawfontscale"}, // client global
 159         {ev_vector, "gettaginfo_forward"}, // client global
 160         {ev_vector, "gettaginfo_offset"}, // client global
 161         {ev_vector, "gettaginfo_right"}, // client global
 162         {ev_vector, "gettaginfo_up"}, // client global
 163         {ev_vector, "particle_color1"}, // client global
 164         {ev_vector, "particle_color2"}, // client global
 165         {ev_vector, "particle_staincolor1"}, // client global
 166         {ev_vector, "particle_staincolor2"}, // client global
 167         {ev_vector, "particles_colormax"}, // client global
 168         {ev_vector, "particles_colormin"}, // client global
 169         {ev_vector, "pmove_inwater"}, // client global
 170         {ev_vector, "pmove_onground"}, // client global
 171         {ev_vector, "trace_endpos"}, // client global
 172         {ev_vector, "trace_plane_normal"}, // client global
 173         {ev_vector, "v_forward"}, // client global
 174         {ev_vector, "v_right"}, // client global
 175         {ev_vector, "v_up"}, // client global
 176         {ev_vector, "view_angles"}, // client global
 177         {ev_vector, "view_punchangle"}, // client global
 178         {ev_vector, "view_punchvector"}, // client global
 179 };
 180
 181 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
 182 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
 183 {
 184         char errorstring[4096];
 185         va_list argptr;
 186
 187         va_start (argptr, format);
 188         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
 189         va_end (argptr);
 190 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
 191
 192         PRVM_Crash();
 193         cl.csqc_loaded = false;
 194
 195         Cvar_SetValueQuick(&csqc_progcrc, -1);
 196         Cvar_SetValueQuick(&csqc_progsize, -1);
 197
 198 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
 199         Host_Error("CL_VM_Error: %s", errorstring);
 200 }
 201 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
 202 {
 203         if(cl.csqc_loaded)
 204         {
 205                 CSQC_BEGIN
 206                 PRVM_clientglobalfloat(dmg_take) = dmg_take;
 207                 PRVM_clientglobalfloat(dmg_save) = dmg_save;
 208                 VectorCopy(dmg_origin, PRVM_clientglobalvector(dmg_origin));
 209                 CSQC_END
 210         }
 211 }
 212
 213 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
 214 {
 215         if(!cl.csqc_loaded)
 216                 return;
 217         CSQC_BEGIN
 218         PRVM_clientglobalfloat(servertime) = newtime;
 219         PRVM_clientglobalfloat(serverprevtime) = oldtime;
 220         PRVM_clientglobalfloat(serverdeltatime) = newtime - oldtime;
 221         CSQC_END
 222 }
 223
 224 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
 225 static void CSQC_SetGlobals (void)
 226 {
 227         CSQC_BEGIN
 228                 prog->globals.client->time = cl.time;
 229                 prog->globals.client->frametime = max(0, cl.time - cl.oldtime);
 230                 prog->globals.client->servercommandframe = cls.servermovesequence;
 231                 prog->globals.client->clientcommandframe = cl.movecmd[0].sequence;
 232                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
 233                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
 234                 prog->globals.client->input_buttons = cl.movecmd[0].buttons;
 235                 VectorSet(prog->globals.client->input_movevalues, cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
 236                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
 237                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
 238
 239                 // LordHavoc: Spike says not to do this, but without pmove_org the
 240                 // CSQC is useless as it can't alter the view origin without
 241                 // completely replacing it
 242                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, prog->globals.client->pmove_org);
 243                 VectorCopy(cl.movement_velocity, prog->globals.client->pmove_vel);
 244                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
 245                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
 246
 247                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
 248                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
 249                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
 250                 prog->globals.client->maxclients = cl.maxclients;
 251         CSQC_END
 252 }
 253
 254 void CSQC_Predraw (prvm_edict_t *ed)
 255 {
 256         int b;
 257         if(!ed->fields.client->predraw)
 258                 return;
 259         b = prog->globals.client->self;
 260         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 261         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
 262         prog->globals.client->self = b;
 263 }
 264
 265 void CSQC_Think (prvm_edict_t *ed)
 266 {
 267         int b;
 268         if(ed->fields.client->think)
 269         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 270         {
 271                 ed->fields.client->nextthink = 0;
 272                 b = prog->globals.client->self;
 273                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 274                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 275                 prog->globals.client->self = b;
 276         }
 277 }
 278
 279 extern cvar_t cl_noplayershadow;
 280 extern cvar_t r_equalize_entities_fullbright;
 281 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 282 {
 283         int renderflags;
 284         int c;
 285         float scale;
 286         entity_render_t *entrender;
 287         dp_model_t *model;
 288
 289         model = CL_GetModelFromEdict(ed);
 290         if (!model)
 291                 return false;
 292
 293         if (edictnum)
 294         {
 295                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 296                         return false;
 297                 entrender = cl.csqcrenderentities + edictnum;
 298                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 299                 entrender->entitynumber = edictnum + MAX_EDICTS;
 300                 //entrender->shadertime = 0; // shadertime was set by spawn()
 301                 entrender->flags = 0;
 302                 entrender->alpha = 1;
 303                 entrender->scale = 1;
 304                 VectorSet(entrender->colormod, 1, 1, 1);
 305                 VectorSet(entrender->glowmod, 1, 1, 1);
 306                 entrender->allowdecals = true;
 307         }
 308         else
 309         {
 310                 entrender = CL_NewTempEntity(0);
 311                 if (!entrender)
 312                         return false;
 313         }
 314
 315         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
 316         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
 317         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
 318         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
 319
 320         entrender->model = model;
 321         entrender->skinnum = (int)ed->fields.client->skin;
 322         entrender->effects |= entrender->model->effects;
 323         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
 324         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
 325         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
 326         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
 327         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
 328         if(ed->fields.client->effects)  entrender->effects |= (int)ed->fields.client->effects;
 329         if (!entrender->alpha)
 330                 entrender->alpha = 1.0f;
 331         if (!entrender->scale)
 332                 entrender->scale = scale = 1.0f;
 333         if (!VectorLength2(entrender->colormod))
 334                 VectorSet(entrender->colormod, 1, 1, 1);
 335         if (!VectorLength2(entrender->glowmod))
 336                 VectorSet(entrender->glowmod, 1, 1, 1);
 337
 338         // LordHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 339         CL_GetTagMatrix(&entrender->matrix, ed, 0);
 340
 341         // set up the animation data
 342         VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
 343         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
 344         VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
 345         entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
 346
 347         // transparent offset
 348         if (renderflags & RF_USETRANSPARENTOFFSET)
 349                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
 350
 351         if(renderflags)
 352         {
 353                 if(renderflags & RF_VIEWMODEL)  entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 354                 if(renderflags & RF_EXTERNALMODEL)entrender->flags |= RENDER_EXTERIORMODEL;
 355                 if(renderflags & RF_NOCULL)             entrender->flags |= RENDER_NOCULL;
 356                 if(renderflags & RF_DEPTHHACK)  entrender->flags |= RENDER_NODEPTHTEST;
 357                 if(renderflags & RF_ADDITIVE)           entrender->flags |= RENDER_ADDITIVE;
 358         }
 359
 360         c = (int)ed->fields.client->colormap;
 361         if (c <= 0)
 362                 CL_SetEntityColormapColors(entrender, -1);
 363         else if (c <= cl.maxclients && cl.scores != NULL)
 364                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 365         else
 366                 CL_SetEntityColormapColors(entrender, c);
 367
 368         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 369         // either fullbright or lit
 370         if(!r_fullbright.integer)
 371         {
 372                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 373                         entrender->flags |= RENDER_LIGHT;
 374                 else if(r_equalize_entities_fullbright.integer)
 375                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 376         }
 377         // hide player shadow during intermission or nehahra movie
 378         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 379          &&  (entrender->alpha >= 1)
 380          && !(renderflags & RF_NOSHADOW)
 381          && !(entrender->flags & RENDER_VIEWMODEL)
 382          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 383                 entrender->flags |= RENDER_SHADOW;
 384         if (entrender->flags & RENDER_VIEWMODEL)
 385                 entrender->flags |= RENDER_NOSELFSHADOW;
 386         if (entrender->effects & EF_NOSELFSHADOW)
 387                 entrender->flags |= RENDER_NOSELFSHADOW;
 388         if (entrender->effects & EF_NODEPTHTEST)
 389                 entrender->flags |= RENDER_NODEPTHTEST;
 390         if (entrender->effects & EF_ADDITIVE)
 391                 entrender->flags |= RENDER_ADDITIVE;
 392         if (entrender->effects & EF_DOUBLESIDED)
 393                 entrender->flags |= RENDER_DOUBLESIDED;
 394
 395         // make the other useful stuff
 396         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 397         CL_UpdateRenderEntity(entrender);
 398         // override animation data with full control
 399         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 400         if (ed->priv.server->skeleton.relativetransforms)
 401                 entrender->skeleton = &ed->priv.server->skeleton;
 402         else
 403                 entrender->skeleton = NULL;
 404
 405         return true;
 406 }
 407
 408 qboolean CL_VM_InputEvent (qboolean down, int key, int ascii)
 409 {
 410         qboolean r;
 411
 412         if(!cl.csqc_loaded)
 413                 return false;
 414
 415         CSQC_BEGIN
 416                 if (!prog->funcoffsets.CSQC_InputEvent)
 417                         r = false;
 418                 else
 419                 {
 420                         prog->globals.client->time = cl.time;
 421                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 422                         PRVM_G_FLOAT(OFS_PARM0) = !down; // 0 is down, 1 is up
 423                         PRVM_G_FLOAT(OFS_PARM1) = key;
 424                         PRVM_G_FLOAT(OFS_PARM2) = ascii;
 425                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_InputEvent, "QC function CSQC_InputEvent is missing");
 426                         r = CSQC_RETURNVAL != 0;
 427                 }
 428         CSQC_END
 429         return r;
 430 }
 431
 432 qboolean CL_VM_UpdateView (void)
 433 {
 434         vec3_t emptyvector;
 435         emptyvector[0] = 0;
 436         emptyvector[1] = 0;
 437         emptyvector[2] = 0;
 438 //      vec3_t oldangles;
 439         if(!cl.csqc_loaded)
 440                 return false;
 441         R_TimeReport("pre-UpdateView");
 442         CSQC_BEGIN
 443                 //VectorCopy(cl.viewangles, oldangles);
 444                 prog->globals.client->time = cl.time;
 445                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 446                 CSQC_SetGlobals();
 447                 // clear renderable entity and light lists to prevent crashes if the
 448                 // CSQC_UpdateView function does not call R_ClearScene as it should
 449                 r_refdef.scene.numentities = 0;
 450                 r_refdef.scene.numlights = 0;
 451                 // pass in width and height as parameters (EXT_CSQC_1)
 452                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 453                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 454                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_UpdateView, "QC function CSQC_UpdateView is missing");
 455                 //VectorCopy(oldangles, cl.viewangles);
 456                 // Dresk : Reset Dmg Globals Here
 457                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 458         CSQC_END
 459         R_TimeReport("UpdateView");
 460         return true;
 461 }
 462
 463 extern sizebuf_t vm_tempstringsbuf;
 464 qboolean CL_VM_ConsoleCommand (const char *cmd)
 465 {
 466         int restorevm_tempstringsbuf_cursize;
 467         qboolean r = false;
 468         if(!cl.csqc_loaded)
 469                 return false;
 470         CSQC_BEGIN
 471         if (prog->funcoffsets.CSQC_ConsoleCommand)
 472         {
 473                 prog->globals.client->time = cl.time;
 474                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 475                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 476                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 477                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_ConsoleCommand, "QC function CSQC_ConsoleCommand is missing");
 478                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 479                 r = CSQC_RETURNVAL != 0;
 480         }
 481         CSQC_END
 482         return r;
 483 }
 484
 485 qboolean CL_VM_Parse_TempEntity (void)
 486 {
 487         int                     t;
 488         qboolean        r = false;
 489         if(!cl.csqc_loaded)
 490                 return false;
 491         CSQC_BEGIN
 492         if(prog->funcoffsets.CSQC_Parse_TempEntity)
 493         {
 494                 t = msg_readcount;
 495                 prog->globals.client->time = cl.time;
 496                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 497                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_TempEntity, "QC function CSQC_Parse_TempEntity is missing");
 498                 r = CSQC_RETURNVAL != 0;
 499                 if(!r)
 500                 {
 501                         msg_readcount = t;
 502                         msg_badread = false;
 503                 }
 504         }
 505         CSQC_END
 506         return r;
 507 }
 508
 509 void CL_VM_Parse_StuffCmd (const char *msg)
 510 {
 511         int restorevm_tempstringsbuf_cursize;
 512         if(msg[0] == 'c')
 513         if(msg[1] == 's')
 514         if(msg[2] == 'q')
 515         if(msg[3] == 'c')
 516         {
 517                 // if this is setting a csqc variable, deprotect csqc_progcrc
 518                 // temporarily so that it can be set by the cvar command,
 519                 // and then reprotect it afterwards
 520                 int crcflags = csqc_progcrc.flags;
 521                 int sizeflags = csqc_progcrc.flags;
 522                 csqc_progcrc.flags &= ~CVAR_READONLY;
 523                 csqc_progsize.flags &= ~CVAR_READONLY;
 524                 Cmd_ExecuteString (msg, src_command);
 525                 csqc_progcrc.flags = crcflags;
 526                 csqc_progsize.flags = sizeflags;
 527                 return;
 528         }
 529
 530         if(cls.demoplayback)
 531         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 532         {
 533                 // special handling for map download commands
 534                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 535                 // that way, there is no black screen when playing back demos
 536                 // I know this is a really ugly hack, but I can't think of any better way
 537                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 538                 // until all maps are loaded, then remove this hack
 539
 540                 char buf[MAX_INPUTLINE];
 541                 const char *p, *q;
 542                 size_t l;
 543
 544                 p = msg;
 545
 546                 for(;;)
 547                 {
 548                         q = strchr(p, '\n');
 549                         if(q)
 550                                 l = q - p;
 551                         else
 552                                 l = strlen(p);
 553                         if(l > sizeof(buf) - 1)
 554                                 l = sizeof(buf) - 1;
 555                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 556
 557                         Cmd_ExecuteString(buf, src_command);
 558
 559                         p += l;
 560                         if(*p == '\n')
 561                                 ++p; // skip the newline and continue
 562                         else
 563                                 break; // end of string or overflow
 564                 }
 565                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
 566                 return;
 567         }
 568
 569         if(!cl.csqc_loaded)
 570         {
 571                 Cbuf_AddText(msg);
 572                 return;
 573         }
 574         CSQC_BEGIN
 575         if(prog->funcoffsets.CSQC_Parse_StuffCmd)
 576         {
 577                 prog->globals.client->time = cl.time;
 578                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 579                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 580                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 581                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_StuffCmd, "QC function CSQC_Parse_StuffCmd is missing");
 582                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 583         }
 584         else
 585                 Cbuf_AddText(msg);
 586         CSQC_END
 587 }
 588
 589 static void CL_VM_Parse_Print (const char *msg)
 590 {
 591         int restorevm_tempstringsbuf_cursize;
 592         prog->globals.client->time = cl.time;
 593         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 594         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 595         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 596         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_Print, "QC function CSQC_Parse_Print is missing");
 597         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 598 }
 599
 600 void CSQC_AddPrintText (const char *msg)
 601 {
 602         size_t i;
 603         if(!cl.csqc_loaded)
 604         {
 605                 Con_Print(msg);
 606                 return;
 607         }
 608         CSQC_BEGIN
 609         if(prog->funcoffsets.CSQC_Parse_Print)
 610         {
 611                 // FIXME: is this bugged?
 612                 i = strlen(msg)-1;
 613                 if(msg[i] != '\n' && msg[i] != '\r')
 614                 {
 615                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 616                         {
 617                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 618                                 cl.csqc_printtextbuf[0] = 0;
 619                         }
 620                         else
 621                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 622                         return;
 623                 }
 624                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 625                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 626                 cl.csqc_printtextbuf[0] = 0;
 627         }
 628         else
 629                 Con_Print(msg);
 630         CSQC_END
 631 }
 632
 633 void CL_VM_Parse_CenterPrint (const char *msg)
 634 {
 635         int restorevm_tempstringsbuf_cursize;
 636         if(!cl.csqc_loaded)
 637         {
 638                 SCR_CenterPrint(msg);
 639                 return;
 640         }
 641         CSQC_BEGIN
 642         if(prog->funcoffsets.CSQC_Parse_CenterPrint)
 643         {
 644                 prog->globals.client->time = cl.time;
 645                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 646                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 647                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 648                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Parse_CenterPrint, "QC function CSQC_Parse_CenterPrint is missing");
 649                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 650         }
 651         else
 652                 SCR_CenterPrint(msg);
 653         CSQC_END
 654 }
 655
 656 void CL_VM_UpdateIntermissionState (int intermission)
 657 {
 658         if(cl.csqc_loaded)
 659         {
 660                 CSQC_BEGIN
 661                 PRVM_clientglobalfloat(intermission) = intermission;
 662                 CSQC_END
 663         }
 664 }
 665 void CL_VM_UpdateShowingScoresState (int showingscores)
 666 {
 667         if(cl.csqc_loaded)
 668         {
 669                 CSQC_BEGIN
 670                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 671                 CSQC_END
 672         }
 673 }
 674 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos)
 675 {
 676         qboolean r = false;
 677         if(cl.csqc_loaded)
 678         {
 679                 CSQC_BEGIN
 680                 if(prog->funcoffsets.CSQC_Event_Sound)
 681                 {
 682                         prog->globals.client->time = cl.time;
 683                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 684                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 685                         PRVM_G_FLOAT(OFS_PARM1) = channel;
 686                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 687                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 688                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 689                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 690                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event_Sound, "QC function CSQC_Event_Sound is missing");
 691                         r = CSQC_RETURNVAL != 0;
 692                 }
 693                 CSQC_END
 694         }
 695
 696         return r;
 697 }
 698 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 699 {
 700         // Avoid global names for clean(er) coding
 701         int localcoop;
 702         int localdeathmatch;
 703
 704         if(cl.csqc_loaded)
 705         {
 706                 if(gametype == GAME_COOP)
 707                 {
 708                         localcoop = 1;
 709                         localdeathmatch = 0;
 710                 }
 711                 else
 712                 if(gametype == GAME_DEATHMATCH)
 713                 {
 714                         localcoop = 0;
 715                         localdeathmatch = 1;
 716                 }
 717                 else
 718                 {
 719                         // How did the ServerInfo send an unknown gametype?
 720                         // Better just assign the globals as 0...
 721                         localcoop = 0;
 722                         localdeathmatch = 0;
 723                 }
 724                 CSQC_BEGIN
 725                 PRVM_clientglobalfloat(coop) = localcoop;
 726                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 727                 CSQC_END
 728         }
 729 }
 730 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 731 {
 732         float r = 0;
 733         if(!cl.csqc_loaded)
 734                 return 0;
 735         CSQC_BEGIN
 736         if(prog->funcoffsets.CSQC_Event)
 737         {
 738                 prog->globals.client->time = cl.time;
 739                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 740                 PRVM_G_FLOAT(OFS_PARM0) = event;
 741                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Event, "QC function CSQC_Event is missing");
 742                 r = CSQC_RETURNVAL;
 743         }
 744         CSQC_END
 745         return r;
 746 }
 747
 748 void CSQC_ReadEntities (void)
 749 {
 750         unsigned short entnum, oldself, realentnum;
 751         if(!cl.csqc_loaded)
 752         {
 753                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 754                 return;
 755         }
 756
 757         CSQC_BEGIN
 758                 prog->globals.client->time = cl.time;
 759                 oldself = prog->globals.client->self;
 760                 while(1)
 761                 {
 762                         entnum = MSG_ReadShort();
 763                         if(!entnum || msg_badread)
 764                                 break;
 765                         realentnum = entnum & 0x7FFF;
 766                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 767                         if(entnum & 0x8000)
 768                         {
 769                                 if(prog->globals.client->self)
 770                                 {
 771                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Remove, "QC function CSQC_Ent_Remove is missing");
 772                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 773                                 }
 774                                 else
 775                                 {
 776                                         // LordHavoc: removing an entity that is already gone on
 777                                         // the csqc side is possible for legitimate reasons (such
 778                                         // as a repeat of the remove message), so no warning is
 779                                         // needed
 780                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 781                                 }
 782                         }
 783                         else
 784                         {
 785                                 if(!prog->globals.client->self)
 786                                 {
 787                                         if(!prog->funcoffsets.CSQC_Ent_Spawn)
 788                                         {
 789                                                 prvm_edict_t    *ed;
 790                                                 ed = PRVM_ED_Alloc();
 791                                                 ed->fields.client->entnum = realentnum;
 792                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 793                                         }
 794                                         else
 795                                         {
 796                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 797                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 798                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 799                                                 // make sure no one gets wrong ideas
 800                                                 prog->globals.client->self = 0;
 801                                                 PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Spawn, "QC function CSQC_Ent_Spawn is missing");
 802                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 803                                         }
 804                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 805                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 806                                 }
 807                                 else {
 808                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 809                                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Ent_Update, "QC function CSQC_Ent_Update is missing");
 810                                 }
 811                         }
 812                 }
 813                 prog->globals.client->self = oldself;
 814         CSQC_END
 815 }
 816
 817 void CL_VM_CB_BeginIncreaseEdicts(void)
 818 {
 819         // links don't survive the transition, so unlink everything
 820         World_UnlinkAll(&cl.world);
 821 }
 822
 823 void CL_VM_CB_EndIncreaseEdicts(void)
 824 {
 825         int i;
 826         prvm_edict_t *ent;
 827
 828         // link every entity except world
 829         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 830                 if (!ent->priv.server->free)
 831                         CL_LinkEdict(ent);
 832 }
 833
 834 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 835 {
 836         int edictnum = PRVM_NUM_FOR_EDICT(e);
 837         entity_render_t *entrender;
 838         CL_ExpandCSQCRenderEntities(edictnum);
 839         entrender = cl.csqcrenderentities + edictnum;
 840         e->priv.server->move = false; // don't move on first frame
 841         memset(entrender, 0, sizeof(*entrender));
 842         entrender->shadertime = cl.time;
 843 }
 844
 845 extern void R_DecalSystem_Reset(decalsystem_t *decalsystem);
 846
 847 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 848 {
 849         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 850         R_DecalSystem_Reset(&entrender->decalsystem);
 851         memset(entrender, 0, sizeof(*entrender));
 852         World_UnlinkEdict(ed);
 853         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 854         VM_RemoveEdictSkeleton(ed);
 855         World_Physics_RemoveFromEntity(&cl.world, ed);
 856         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 857 }
 858
 859 void CL_VM_CB_CountEdicts(void)
 860 {
 861         int             i;
 862         prvm_edict_t    *ent;
 863         int             active = 0, models = 0, solid = 0;
 864
 865         for (i=0 ; i<prog->num_edicts ; i++)
 866         {
 867                 ent = PRVM_EDICT_NUM(i);
 868                 if (ent->priv.server->free)
 869                         continue;
 870                 active++;
 871                 if (ent->fields.client->solid)
 872                         solid++;
 873                 if (ent->fields.client->model)
 874                         models++;
 875         }
 876
 877         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 878         Con_Printf("active    :%3i\n", active);
 879         Con_Printf("view      :%3i\n", models);
 880         Con_Printf("touch     :%3i\n", solid);
 881 }
 882
 883 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 884 {
 885         return true;
 886 }
 887
 888 void Cmd_ClearCsqcFuncs (void);
 889
 890 // returns true if the packet is valid, false if end of file is reached
 891 // used for dumping the CSQC download into demo files
 892 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 893 {
 894         int packetsize = buf->maxsize - 7; // byte short long
 895         int npackets = (len + packetsize - 1) / (packetsize);
 896
 897         if(protocol == PROTOCOL_QUAKEWORLD)
 898                 return false; // CSQC can't run in QW anyway
 899
 900         SZ_Clear(buf);
 901         if(cnt == 0)
 902         {
 903                 MSG_WriteByte(buf, svc_stufftext);
 904                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 905                 return true;
 906         }
 907         else if(cnt >= 1 && cnt <= npackets)
 908         {
 909                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 910                 int thispacketsize = len - thispacketoffset;
 911                 if(thispacketsize > packetsize)
 912                         thispacketsize = packetsize;
 913
 914                 MSG_WriteByte(buf, svc_downloaddata);
 915                 MSG_WriteLong(buf, thispacketoffset);
 916                 MSG_WriteShort(buf, thispacketsize);
 917                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 918
 919                 return true;
 920         }
 921         else if(cnt == npackets + 1)
 922         {
 923                 MSG_WriteByte(buf, svc_stufftext);
 924                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 925                 return true;
 926         }
 927         return false;
 928 }
 929
 930 void CL_VM_Init (void)
 931 {
 932         const char* csprogsfn;
 933         unsigned char *csprogsdata;
 934         fs_offset_t csprogsdatasize;
 935         int csprogsdatacrc, requiredcrc;
 936         int requiredsize;
 937
 938         // reset csqc_progcrc after reading it, so that changing servers doesn't
 939         // expect csqc on the next server
 940         requiredcrc = csqc_progcrc.integer;
 941         requiredsize = csqc_progsize.integer;
 942         Cvar_SetValueQuick(&csqc_progcrc, -1);
 943         Cvar_SetValueQuick(&csqc_progsize, -1);
 944
 945         // if the server is not requesting a csprogs, then we're done here
 946         if (requiredcrc < 0)
 947                 return;
 948
 949         // see if the requested csprogs.dat file matches the requested crc
 950         csprogsdatacrc = -1;
 951         csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 952         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 953         if (!csprogsdata)
 954         {
 955                 csprogsfn = csqc_progname.string;
 956                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 957         }
 958         if (csprogsdata)
 959         {
 960                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
 961                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 962                 {
 963                         if (cls.demoplayback)
 964                         {
 965                                 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);
 966                                 // Mem_Free(csprogsdata);
 967                                 // return;
 968                                 // We WANT to continue here, and play the demo with different csprogs!
 969                                 // After all, this is just a warning. Sure things may go wrong from here.
 970                         }
 971                         else
 972                         {
 973                                 Mem_Free(csprogsdata);
 974                                 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);
 975                                 CL_Disconnect();
 976                                 return;
 977                         }
 978                 }
 979         }
 980         else
 981         {
 982                 if (requiredcrc >= 0)
 983                 {
 984                         if (cls.demoplayback)
 985                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 986                         else
 987                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
 988                         CL_Disconnect();
 989                 }
 990                 return;
 991         }
 992
 993         PRVM_Begin;
 994         PRVM_InitProg(PRVM_CLIENTPROG);
 995
 996         // allocate the mempools
 997         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
 998         prog->headercrc = CL_PROGHEADER_CRC;
 999         prog->edictprivate_size = 0; // no private struct used
1000         prog->name = CL_NAME;
1001         prog->num_edicts = 1;
1002         prog->max_edicts = 512;
1003         prog->limit_edicts = CL_MAX_EDICTS;
1004         prog->reserved_edicts = 0;
1005         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1006         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1007         prog->extensionstring = vm_sv_extensions;
1008         prog->builtins = vm_cl_builtins;
1009         prog->numbuiltins = vm_cl_numbuiltins;
1010         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
1011         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
1012         prog->init_edict = CL_VM_CB_InitEdict;
1013         prog->free_edict = CL_VM_CB_FreeEdict;
1014         prog->count_edicts = CL_VM_CB_CountEdicts;
1015         prog->load_edict = CL_VM_CB_LoadEdict;
1016         prog->init_cmd = VM_CL_Cmd_Init;
1017         prog->reset_cmd = VM_CL_Cmd_Reset;
1018         prog->error_cmd = CL_VM_Error;
1019         prog->ExecuteProgram = CLVM_ExecuteProgram;
1020
1021         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1022
1023         if (!prog->loaded)
1024         {
1025                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
1026                 if(!sv.active)
1027                         CL_Disconnect();
1028                 Mem_Free(csprogsdata);
1029                 return;
1030         }
1031
1032         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1033
1034         if(cls.demorecording)
1035         {
1036                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1037                 {
1038                         int i;
1039                         static char buf[NET_MAXMESSAGE];
1040                         sizebuf_t sb;
1041                         unsigned char *demobuf; fs_offset_t demofilesize;
1042
1043                         sb.data = (unsigned char *) buf;
1044                         sb.maxsize = sizeof(buf);
1045                         i = 0;
1046
1047                         CL_CutDemo(&demobuf, &demofilesize);
1048                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1049                                 CL_WriteDemoMessage(&sb);
1050                         CL_PasteDemo(&demobuf, &demofilesize);
1051
1052                         cls.demo_lastcsprogssize = csprogsdatasize;
1053                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1054                 }
1055         }
1056         Mem_Free(csprogsdata);
1057
1058         // check if OP_STATE animation is possible in this dat file
1059         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1060                 prog->flag |= PRVM_OP_STATE;
1061
1062         // set time
1063         prog->globals.client->time = cl.time;
1064         prog->globals.client->self = 0;
1065
1066         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldname);
1067         prog->globals.client->player_localentnum = cl.playerentity;
1068
1069         // set map description (use world entity 0)
1070         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(cl.worldmessage);
1071         VectorCopy(cl.world.mins, prog->edicts->fields.client->mins);
1072         VectorCopy(cl.world.maxs, prog->edicts->fields.client->maxs);
1073
1074         // call the prog init
1075         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Init, "QC function CSQC_Init is missing");
1076
1077         PRVM_End;
1078         cl.csqc_loaded = true;
1079
1080         cl.csqc_vidvars.drawcrosshair = false;
1081         cl.csqc_vidvars.drawenginesbar = false;
1082
1083         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1084         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1085 }
1086
1087 void CL_VM_ShutDown (void)
1088 {
1089         Cmd_ClearCsqcFuncs();
1090         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1091         //Cvar_SetValueQuick(&csqc_progsize, -1);
1092         if(!cl.csqc_loaded)
1093                 return;
1094         CSQC_BEGIN
1095                 prog->globals.client->time = cl.time;
1096                 prog->globals.client->self = 0;
1097                 if (prog->funcoffsets.CSQC_Shutdown)
1098                         PRVM_ExecuteProgram(prog->funcoffsets.CSQC_Shutdown, "QC function CSQC_Shutdown is missing");
1099                 PRVM_ResetProg();
1100         CSQC_END
1101         Con_DPrint("CSQC ^1unloaded\n");
1102         cl.csqc_loaded = false;
1103 }
1104
1105 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1106 {
1107         prvm_edict_t *ed;
1108         dp_model_t *mod;
1109         matrix4x4_t matrix;
1110         qboolean r = 0;
1111
1112         CSQC_BEGIN;
1113
1114         // FIXME consider attachments here!
1115
1116         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1117
1118         if(!ed->priv.required->free)
1119         {
1120                 mod = CL_GetModelFromEdict(ed);
1121                 VectorCopy(ed->fields.client->origin, out);
1122                 if(CL_GetTagMatrix (&matrix, ed, 0) == 0)
1123                         Matrix4x4_OriginFromMatrix(&matrix, out);
1124                 if (mod && mod->soundfromcenter)
1125                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1126                 r = 1;
1127         }
1128
1129         CSQC_END;
1130
1131         return r;
1132 }
1133
1134 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1135 {
1136         qboolean ret = false;
1137         prvm_edict_t *ed;
1138         vec3_t forward, left, up, origin, ang;
1139         matrix4x4_t mat, matq;
1140
1141         CSQC_BEGIN
1142                 ed = PRVM_EDICT_NUM(entnum);
1143                 // camera:
1144                 //   camera_transform
1145                 if(PRVM_clientedictfunction(ed, camera_transform))
1146                 {
1147                         ret = true;
1148                         if(viewmatrix || clipplane || visorigin)
1149                         {
1150                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1151                                 AnglesFromVectors(ang, forward, up, false);
1152                                 prog->globals.client->time = cl.time;
1153                                 prog->globals.client->self = entnum;
1154                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1155                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1156                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1157                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1158                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1159                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1160                                 PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1161                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1162                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1163                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1164                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1165                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1166                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1167                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1168                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1169                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1170                         }
1171                 }
1172         CSQC_END
1173
1174         return ret;
1175 }