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 #define PRVM_DECLARE_serverglobalfloat(x)
  46 #define PRVM_DECLARE_serverglobalvector(x)
  47 #define PRVM_DECLARE_serverglobalstring(x)
  48 #define PRVM_DECLARE_serverglobaledict(x)
  49 #define PRVM_DECLARE_serverglobalfunction(x)
  50 #define PRVM_DECLARE_clientglobalfloat(x)
  51 #define PRVM_DECLARE_clientglobalvector(x)
  52 #define PRVM_DECLARE_clientglobalstring(x)
  53 #define PRVM_DECLARE_clientglobaledict(x)
  54 #define PRVM_DECLARE_clientglobalfunction(x)
  55 #define PRVM_DECLARE_menuglobalfloat(x)
  56 #define PRVM_DECLARE_menuglobalvector(x)
  57 #define PRVM_DECLARE_menuglobalstring(x)
  58 #define PRVM_DECLARE_menuglobaledict(x)
  59 #define PRVM_DECLARE_menuglobalfunction(x)
  60 #define PRVM_DECLARE_serverfieldfloat(x)
  61 #define PRVM_DECLARE_serverfieldvector(x)
  62 #define PRVM_DECLARE_serverfieldstring(x)
  63 #define PRVM_DECLARE_serverfieldedict(x)
  64 #define PRVM_DECLARE_serverfieldfunction(x)
  65 #define PRVM_DECLARE_clientfieldfloat(x) {ev_float, #x },
  66 #define PRVM_DECLARE_clientfieldvector(x) {ev_vector, #x },
  67 #define PRVM_DECLARE_clientfieldstring(x) {ev_string, #x },
  68 #define PRVM_DECLARE_clientfieldedict(x) {ev_entity, #x },
  69 #define PRVM_DECLARE_clientfieldfunction(x) {ev_function, #x },
  70 #define PRVM_DECLARE_menufieldfloat(x)
  71 #define PRVM_DECLARE_menufieldvector(x)
  72 #define PRVM_DECLARE_menufieldstring(x)
  73 #define PRVM_DECLARE_menufieldedict(x)
  74 #define PRVM_DECLARE_menufieldfunction(x)
  75 #define PRVM_DECLARE_serverfunction(x)
  76 #define PRVM_DECLARE_clientfunction(x)
  77 #define PRVM_DECLARE_menufunction(x)
  78 #define PRVM_DECLARE_field(x)
  79 #define PRVM_DECLARE_global(x)
  80 #define PRVM_DECLARE_function(x)
  81 #include "prvm_offsets.h"
  82 #undef PRVM_DECLARE_serverglobalfloat
  83 #undef PRVM_DECLARE_serverglobalvector
  84 #undef PRVM_DECLARE_serverglobalstring
  85 #undef PRVM_DECLARE_serverglobaledict
  86 #undef PRVM_DECLARE_serverglobalfunction
  87 #undef PRVM_DECLARE_clientglobalfloat
  88 #undef PRVM_DECLARE_clientglobalvector
  89 #undef PRVM_DECLARE_clientglobalstring
  90 #undef PRVM_DECLARE_clientglobaledict
  91 #undef PRVM_DECLARE_clientglobalfunction
  92 #undef PRVM_DECLARE_menuglobalfloat
  93 #undef PRVM_DECLARE_menuglobalvector
  94 #undef PRVM_DECLARE_menuglobalstring
  95 #undef PRVM_DECLARE_menuglobaledict
  96 #undef PRVM_DECLARE_menuglobalfunction
  97 #undef PRVM_DECLARE_serverfieldfloat
  98 #undef PRVM_DECLARE_serverfieldvector
  99 #undef PRVM_DECLARE_serverfieldstring
 100 #undef PRVM_DECLARE_serverfieldedict
 101 #undef PRVM_DECLARE_serverfieldfunction
 102 #undef PRVM_DECLARE_clientfieldfloat
 103 #undef PRVM_DECLARE_clientfieldvector
 104 #undef PRVM_DECLARE_clientfieldstring
 105 #undef PRVM_DECLARE_clientfieldedict
 106 #undef PRVM_DECLARE_clientfieldfunction
 107 #undef PRVM_DECLARE_menufieldfloat
 108 #undef PRVM_DECLARE_menufieldvector
 109 #undef PRVM_DECLARE_menufieldstring
 110 #undef PRVM_DECLARE_menufieldedict
 111 #undef PRVM_DECLARE_menufieldfunction
 112 #undef PRVM_DECLARE_serverfunction
 113 #undef PRVM_DECLARE_clientfunction
 114 #undef PRVM_DECLARE_menufunction
 115 #undef PRVM_DECLARE_field
 116 #undef PRVM_DECLARE_global
 117 #undef PRVM_DECLARE_function
 118 };
 119
 120 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
 121
 122 prvm_required_field_t cl_reqglobals[] =
 123 {
 124 #define PRVM_DECLARE_serverglobalfloat(x)
 125 #define PRVM_DECLARE_serverglobalvector(x)
 126 #define PRVM_DECLARE_serverglobalstring(x)
 127 #define PRVM_DECLARE_serverglobaledict(x)
 128 #define PRVM_DECLARE_serverglobalfunction(x)
 129 #define PRVM_DECLARE_clientglobalfloat(x) {ev_float, #x},
 130 #define PRVM_DECLARE_clientglobalvector(x) {ev_vector, #x},
 131 #define PRVM_DECLARE_clientglobalstring(x) {ev_string, #x},
 132 #define PRVM_DECLARE_clientglobaledict(x) {ev_entity, #x},
 133 #define PRVM_DECLARE_clientglobalfunction(x) {ev_function, #x},
 134 #define PRVM_DECLARE_menuglobalfloat(x)
 135 #define PRVM_DECLARE_menuglobalvector(x)
 136 #define PRVM_DECLARE_menuglobalstring(x)
 137 #define PRVM_DECLARE_menuglobaledict(x)
 138 #define PRVM_DECLARE_menuglobalfunction(x)
 139 #define PRVM_DECLARE_serverfieldfloat(x)
 140 #define PRVM_DECLARE_serverfieldvector(x)
 141 #define PRVM_DECLARE_serverfieldstring(x)
 142 #define PRVM_DECLARE_serverfieldedict(x)
 143 #define PRVM_DECLARE_serverfieldfunction(x)
 144 #define PRVM_DECLARE_clientfieldfloat(x)
 145 #define PRVM_DECLARE_clientfieldvector(x)
 146 #define PRVM_DECLARE_clientfieldstring(x)
 147 #define PRVM_DECLARE_clientfieldedict(x)
 148 #define PRVM_DECLARE_clientfieldfunction(x)
 149 #define PRVM_DECLARE_menufieldfloat(x)
 150 #define PRVM_DECLARE_menufieldvector(x)
 151 #define PRVM_DECLARE_menufieldstring(x)
 152 #define PRVM_DECLARE_menufieldedict(x)
 153 #define PRVM_DECLARE_menufieldfunction(x)
 154 #define PRVM_DECLARE_serverfunction(x)
 155 #define PRVM_DECLARE_clientfunction(x)
 156 #define PRVM_DECLARE_menufunction(x)
 157 #define PRVM_DECLARE_field(x)
 158 #define PRVM_DECLARE_global(x)
 159 #define PRVM_DECLARE_function(x)
 160 #include "prvm_offsets.h"
 161 #undef PRVM_DECLARE_serverglobalfloat
 162 #undef PRVM_DECLARE_serverglobalvector
 163 #undef PRVM_DECLARE_serverglobalstring
 164 #undef PRVM_DECLARE_serverglobaledict
 165 #undef PRVM_DECLARE_serverglobalfunction
 166 #undef PRVM_DECLARE_clientglobalfloat
 167 #undef PRVM_DECLARE_clientglobalvector
 168 #undef PRVM_DECLARE_clientglobalstring
 169 #undef PRVM_DECLARE_clientglobaledict
 170 #undef PRVM_DECLARE_clientglobalfunction
 171 #undef PRVM_DECLARE_menuglobalfloat
 172 #undef PRVM_DECLARE_menuglobalvector
 173 #undef PRVM_DECLARE_menuglobalstring
 174 #undef PRVM_DECLARE_menuglobaledict
 175 #undef PRVM_DECLARE_menuglobalfunction
 176 #undef PRVM_DECLARE_serverfieldfloat
 177 #undef PRVM_DECLARE_serverfieldvector
 178 #undef PRVM_DECLARE_serverfieldstring
 179 #undef PRVM_DECLARE_serverfieldedict
 180 #undef PRVM_DECLARE_serverfieldfunction
 181 #undef PRVM_DECLARE_clientfieldfloat
 182 #undef PRVM_DECLARE_clientfieldvector
 183 #undef PRVM_DECLARE_clientfieldstring
 184 #undef PRVM_DECLARE_clientfieldedict
 185 #undef PRVM_DECLARE_clientfieldfunction
 186 #undef PRVM_DECLARE_menufieldfloat
 187 #undef PRVM_DECLARE_menufieldvector
 188 #undef PRVM_DECLARE_menufieldstring
 189 #undef PRVM_DECLARE_menufieldedict
 190 #undef PRVM_DECLARE_menufieldfunction
 191 #undef PRVM_DECLARE_serverfunction
 192 #undef PRVM_DECLARE_clientfunction
 193 #undef PRVM_DECLARE_menufunction
 194 #undef PRVM_DECLARE_field
 195 #undef PRVM_DECLARE_global
 196 #undef PRVM_DECLARE_function
 197 };
 198
 199 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
 200 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
 201 {
 202         char errorstring[4096];
 203         va_list argptr;
 204
 205         va_start (argptr, format);
 206         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
 207         va_end (argptr);
 208 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
 209
 210         PRVM_Crash();
 211         cl.csqc_loaded = false;
 212
 213         Cvar_SetValueQuick(&csqc_progcrc, -1);
 214         Cvar_SetValueQuick(&csqc_progsize, -1);
 215
 216 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
 217         Host_Error("CL_VM_Error: %s", errorstring);
 218 }
 219 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
 220 {
 221         if(cl.csqc_loaded)
 222         {
 223                 CSQC_BEGIN
 224                 PRVM_clientglobalfloat(dmg_take) = dmg_take;
 225                 PRVM_clientglobalfloat(dmg_save) = dmg_save;
 226                 VectorCopy(dmg_origin, PRVM_clientglobalvector(dmg_origin));
 227                 CSQC_END
 228         }
 229 }
 230
 231 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
 232 {
 233         if(!cl.csqc_loaded)
 234                 return;
 235         CSQC_BEGIN
 236         PRVM_clientglobalfloat(servertime) = newtime;
 237         PRVM_clientglobalfloat(serverprevtime) = oldtime;
 238         PRVM_clientglobalfloat(serverdeltatime) = newtime - oldtime;
 239         CSQC_END
 240 }
 241
 242 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
 243 static void CSQC_SetGlobals (void)
 244 {
 245         CSQC_BEGIN
 246                 prog->globals.client->time = cl.time;
 247                 prog->globals.client->frametime = max(0, cl.time - cl.oldtime);
 248                 prog->globals.client->servercommandframe = cls.servermovesequence;
 249                 prog->globals.client->clientcommandframe = cl.movecmd[0].sequence;
 250                 VectorCopy(cl.viewangles, prog->globals.client->input_angles);
 251                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
 252                 prog->globals.client->input_buttons = cl.movecmd[0].buttons;
 253                 VectorSet(prog->globals.client->input_movevalues, cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
 254                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
 255                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
 256
 257                 // LordHavoc: Spike says not to do this, but without pmove_org the
 258                 // CSQC is useless as it can't alter the view origin without
 259                 // completely replacing it
 260                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, prog->globals.client->pmove_org);
 261                 VectorCopy(cl.movement_velocity, prog->globals.client->pmove_vel);
 262                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
 263                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
 264
 265                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
 266                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
 267                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
 268                 prog->globals.client->maxclients = cl.maxclients;
 269         CSQC_END
 270 }
 271
 272 void CSQC_Predraw (prvm_edict_t *ed)
 273 {
 274         int b;
 275         if(!ed->fields.client->predraw)
 276                 return;
 277         b = prog->globals.client->self;
 278         prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 279         PRVM_ExecuteProgram(ed->fields.client->predraw, "CSQC_Predraw: NULL function\n");
 280         prog->globals.client->self = b;
 281 }
 282
 283 void CSQC_Think (prvm_edict_t *ed)
 284 {
 285         int b;
 286         if(ed->fields.client->think)
 287         if(ed->fields.client->nextthink && ed->fields.client->nextthink <= prog->globals.client->time)
 288         {
 289                 ed->fields.client->nextthink = 0;
 290                 b = prog->globals.client->self;
 291                 prog->globals.client->self = PRVM_EDICT_TO_PROG(ed);
 292                 PRVM_ExecuteProgram(ed->fields.client->think, "CSQC_Think: NULL function\n");
 293                 prog->globals.client->self = b;
 294         }
 295 }
 296
 297 extern cvar_t cl_noplayershadow;
 298 extern cvar_t r_equalize_entities_fullbright;
 299 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 300 {
 301         int renderflags;
 302         int c;
 303         float scale;
 304         entity_render_t *entrender;
 305         dp_model_t *model;
 306
 307         model = CL_GetModelFromEdict(ed);
 308         if (!model)
 309                 return false;
 310
 311         if (edictnum)
 312         {
 313                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 314                         return false;
 315                 entrender = cl.csqcrenderentities + edictnum;
 316                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 317                 entrender->entitynumber = edictnum + MAX_EDICTS;
 318                 //entrender->shadertime = 0; // shadertime was set by spawn()
 319                 entrender->flags = 0;
 320                 entrender->alpha = 1;
 321                 entrender->scale = 1;
 322                 VectorSet(entrender->colormod, 1, 1, 1);
 323                 VectorSet(entrender->glowmod, 1, 1, 1);
 324                 entrender->allowdecals = true;
 325         }
 326         else
 327         {
 328                 entrender = CL_NewTempEntity(0);
 329                 if (!entrender)
 330                         return false;
 331         }
 332
 333         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
 334         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
 335         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
 336         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
 337
 338         entrender->model = model;
 339         entrender->skinnum = (int)ed->fields.client->skin;
 340         entrender->effects |= entrender->model->effects;
 341         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
 342         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
 343         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
 344         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
 345         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
 346         if(ed->fields.client->effects)  entrender->effects |= (int)ed->fields.client->effects;
 347         if (!entrender->alpha)
 348                 entrender->alpha = 1.0f;
 349         if (!entrender->scale)
 350                 entrender->scale = scale = 1.0f;
 351         if (!VectorLength2(entrender->colormod))
 352                 VectorSet(entrender->colormod, 1, 1, 1);
 353         if (!VectorLength2(entrender->glowmod))
 354                 VectorSet(entrender->glowmod, 1, 1, 1);
 355
 356         // LordHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 357         CL_GetTagMatrix(&entrender->matrix, ed, 0);
 358
 359         // set up the animation data
 360         VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
 361         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
 362         VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
 363         entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
 364
 365         // transparent offset
 366         if (renderflags & RF_USETRANSPARENTOFFSET)
 367                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
 368
 369         if(renderflags)
 370         {
 371                 if(renderflags & RF_VIEWMODEL)  entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 372                 if(renderflags & RF_EXTERNALMODEL)entrender->flags |= RENDER_EXTERIORMODEL;
 373                 if(renderflags & RF_NOCULL)             entrender->flags |= RENDER_NOCULL;
 374                 if(renderflags & RF_DEPTHHACK)  entrender->flags |= RENDER_NODEPTHTEST;
 375                 if(renderflags & RF_ADDITIVE)           entrender->flags |= RENDER_ADDITIVE;
 376         }
 377
 378         c = (int)ed->fields.client->colormap;
 379         if (c <= 0)
 380                 CL_SetEntityColormapColors(entrender, -1);
 381         else if (c <= cl.maxclients && cl.scores != NULL)
 382                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 383         else
 384                 CL_SetEntityColormapColors(entrender, c);
 385
 386         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 387         // either fullbright or lit
 388         if(!r_fullbright.integer)
 389         {
 390                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 391                         entrender->flags |= RENDER_LIGHT;
 392                 else if(r_equalize_entities_fullbright.integer)
 393                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 394         }
 395         // hide player shadow during intermission or nehahra movie
 396         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 397          &&  (entrender->alpha >= 1)
 398          && !(renderflags & RF_NOSHADOW)
 399          && !(entrender->flags & RENDER_VIEWMODEL)
 400          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 401                 entrender->flags |= RENDER_SHADOW;
 402         if (entrender->flags & RENDER_VIEWMODEL)
 403                 entrender->flags |= RENDER_NOSELFSHADOW;
 404         if (entrender->effects & EF_NOSELFSHADOW)
 405                 entrender->flags |= RENDER_NOSELFSHADOW;
 406         if (entrender->effects & EF_NODEPTHTEST)
 407                 entrender->flags |= RENDER_NODEPTHTEST;
 408         if (entrender->effects & EF_ADDITIVE)
 409                 entrender->flags |= RENDER_ADDITIVE;
 410         if (entrender->effects & EF_DOUBLESIDED)
 411                 entrender->flags |= RENDER_DOUBLESIDED;
 412
 413         // make the other useful stuff
 414         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 415         CL_UpdateRenderEntity(entrender);
 416         // override animation data with full control
 417         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 418         if (ed->priv.server->skeleton.relativetransforms)
 419                 entrender->skeleton = &ed->priv.server->skeleton;
 420         else
 421                 entrender->skeleton = NULL;
 422
 423         return true;
 424 }
 425
 426 qboolean CL_VM_InputEvent (qboolean down, int key, int ascii)
 427 {
 428         qboolean r;
 429
 430         if(!cl.csqc_loaded)
 431                 return false;
 432
 433         CSQC_BEGIN
 434                 if (!PRVM_clientfunction(CSQC_InputEvent))
 435                         r = false;
 436                 else
 437                 {
 438                         prog->globals.client->time = cl.time;
 439                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 440                         PRVM_G_FLOAT(OFS_PARM0) = !down; // 0 is down, 1 is up
 441                         PRVM_G_FLOAT(OFS_PARM1) = key;
 442                         PRVM_G_FLOAT(OFS_PARM2) = ascii;
 443                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
 444                         r = CSQC_RETURNVAL != 0;
 445                 }
 446         CSQC_END
 447         return r;
 448 }
 449
 450 qboolean CL_VM_UpdateView (void)
 451 {
 452         vec3_t emptyvector;
 453         emptyvector[0] = 0;
 454         emptyvector[1] = 0;
 455         emptyvector[2] = 0;
 456 //      vec3_t oldangles;
 457         if(!cl.csqc_loaded)
 458                 return false;
 459         R_TimeReport("pre-UpdateView");
 460         CSQC_BEGIN
 461                 //VectorCopy(cl.viewangles, oldangles);
 462                 prog->globals.client->time = cl.time;
 463                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 464                 CSQC_SetGlobals();
 465                 // clear renderable entity and light lists to prevent crashes if the
 466                 // CSQC_UpdateView function does not call R_ClearScene as it should
 467                 r_refdef.scene.numentities = 0;
 468                 r_refdef.scene.numlights = 0;
 469                 // pass in width and height as parameters (EXT_CSQC_1)
 470                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 471                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 472                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 473                 //VectorCopy(oldangles, cl.viewangles);
 474                 // Dresk : Reset Dmg Globals Here
 475                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 476         CSQC_END
 477         R_TimeReport("UpdateView");
 478         return true;
 479 }
 480
 481 extern sizebuf_t vm_tempstringsbuf;
 482 qboolean CL_VM_ConsoleCommand (const char *cmd)
 483 {
 484         int restorevm_tempstringsbuf_cursize;
 485         qboolean r = false;
 486         if(!cl.csqc_loaded)
 487                 return false;
 488         CSQC_BEGIN
 489         if (PRVM_clientfunction(CSQC_ConsoleCommand))
 490         {
 491                 prog->globals.client->time = cl.time;
 492                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 493                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 494                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 495                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
 496                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 497                 r = CSQC_RETURNVAL != 0;
 498         }
 499         CSQC_END
 500         return r;
 501 }
 502
 503 qboolean CL_VM_Parse_TempEntity (void)
 504 {
 505         int                     t;
 506         qboolean        r = false;
 507         if(!cl.csqc_loaded)
 508                 return false;
 509         CSQC_BEGIN
 510         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 511         {
 512                 t = msg_readcount;
 513                 prog->globals.client->time = cl.time;
 514                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 515                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 516                 r = CSQC_RETURNVAL != 0;
 517                 if(!r)
 518                 {
 519                         msg_readcount = t;
 520                         msg_badread = false;
 521                 }
 522         }
 523         CSQC_END
 524         return r;
 525 }
 526
 527 void CL_VM_Parse_StuffCmd (const char *msg)
 528 {
 529         int restorevm_tempstringsbuf_cursize;
 530         if(msg[0] == 'c')
 531         if(msg[1] == 's')
 532         if(msg[2] == 'q')
 533         if(msg[3] == 'c')
 534         {
 535                 // if this is setting a csqc variable, deprotect csqc_progcrc
 536                 // temporarily so that it can be set by the cvar command,
 537                 // and then reprotect it afterwards
 538                 int crcflags = csqc_progcrc.flags;
 539                 int sizeflags = csqc_progcrc.flags;
 540                 csqc_progcrc.flags &= ~CVAR_READONLY;
 541                 csqc_progsize.flags &= ~CVAR_READONLY;
 542                 Cmd_ExecuteString (msg, src_command);
 543                 csqc_progcrc.flags = crcflags;
 544                 csqc_progsize.flags = sizeflags;
 545                 return;
 546         }
 547
 548         if(cls.demoplayback)
 549         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 550         {
 551                 // special handling for map download commands
 552                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 553                 // that way, there is no black screen when playing back demos
 554                 // I know this is a really ugly hack, but I can't think of any better way
 555                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 556                 // until all maps are loaded, then remove this hack
 557
 558                 char buf[MAX_INPUTLINE];
 559                 const char *p, *q;
 560                 size_t l;
 561
 562                 p = msg;
 563
 564                 for(;;)
 565                 {
 566                         q = strchr(p, '\n');
 567                         if(q)
 568                                 l = q - p;
 569                         else
 570                                 l = strlen(p);
 571                         if(l > sizeof(buf) - 1)
 572                                 l = sizeof(buf) - 1;
 573                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 574
 575                         Cmd_ExecuteString(buf, src_command);
 576
 577                         p += l;
 578                         if(*p == '\n')
 579                                 ++p; // skip the newline and continue
 580                         else
 581                                 break; // end of string or overflow
 582                 }
 583                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
 584                 return;
 585         }
 586
 587         if(!cl.csqc_loaded)
 588         {
 589                 Cbuf_AddText(msg);
 590                 return;
 591         }
 592         CSQC_BEGIN
 593         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 594         {
 595                 prog->globals.client->time = cl.time;
 596                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 597                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 598                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 599                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 600                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 601         }
 602         else
 603                 Cbuf_AddText(msg);
 604         CSQC_END
 605 }
 606
 607 static void CL_VM_Parse_Print (const char *msg)
 608 {
 609         int restorevm_tempstringsbuf_cursize;
 610         prog->globals.client->time = cl.time;
 611         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 612         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 613         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 614         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 615         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 616 }
 617
 618 void CSQC_AddPrintText (const char *msg)
 619 {
 620         size_t i;
 621         if(!cl.csqc_loaded)
 622         {
 623                 Con_Print(msg);
 624                 return;
 625         }
 626         CSQC_BEGIN
 627         if(PRVM_clientfunction(CSQC_Parse_Print))
 628         {
 629                 // FIXME: is this bugged?
 630                 i = strlen(msg)-1;
 631                 if(msg[i] != '\n' && msg[i] != '\r')
 632                 {
 633                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 634                         {
 635                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 636                                 cl.csqc_printtextbuf[0] = 0;
 637                         }
 638                         else
 639                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 640                         return;
 641                 }
 642                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 643                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 644                 cl.csqc_printtextbuf[0] = 0;
 645         }
 646         else
 647                 Con_Print(msg);
 648         CSQC_END
 649 }
 650
 651 void CL_VM_Parse_CenterPrint (const char *msg)
 652 {
 653         int restorevm_tempstringsbuf_cursize;
 654         if(!cl.csqc_loaded)
 655         {
 656                 SCR_CenterPrint(msg);
 657                 return;
 658         }
 659         CSQC_BEGIN
 660         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
 661         {
 662                 prog->globals.client->time = cl.time;
 663                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 664                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 665                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 666                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 667                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 668         }
 669         else
 670                 SCR_CenterPrint(msg);
 671         CSQC_END
 672 }
 673
 674 void CL_VM_UpdateIntermissionState (int intermission)
 675 {
 676         if(cl.csqc_loaded)
 677         {
 678                 CSQC_BEGIN
 679                 PRVM_clientglobalfloat(intermission) = intermission;
 680                 CSQC_END
 681         }
 682 }
 683 void CL_VM_UpdateShowingScoresState (int showingscores)
 684 {
 685         if(cl.csqc_loaded)
 686         {
 687                 CSQC_BEGIN
 688                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 689                 CSQC_END
 690         }
 691 }
 692 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos)
 693 {
 694         qboolean r = false;
 695         if(cl.csqc_loaded)
 696         {
 697                 CSQC_BEGIN
 698                 if(PRVM_clientfunction(CSQC_Event_Sound))
 699                 {
 700                         prog->globals.client->time = cl.time;
 701                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 702                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 703                         PRVM_G_FLOAT(OFS_PARM1) = channel;
 704                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 705                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 706                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 707                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 708                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 709                         r = CSQC_RETURNVAL != 0;
 710                 }
 711                 CSQC_END
 712         }
 713
 714         return r;
 715 }
 716 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 717 {
 718         // Avoid global names for clean(er) coding
 719         int localcoop;
 720         int localdeathmatch;
 721
 722         if(cl.csqc_loaded)
 723         {
 724                 if(gametype == GAME_COOP)
 725                 {
 726                         localcoop = 1;
 727                         localdeathmatch = 0;
 728                 }
 729                 else
 730                 if(gametype == GAME_DEATHMATCH)
 731                 {
 732                         localcoop = 0;
 733                         localdeathmatch = 1;
 734                 }
 735                 else
 736                 {
 737                         // How did the ServerInfo send an unknown gametype?
 738                         // Better just assign the globals as 0...
 739                         localcoop = 0;
 740                         localdeathmatch = 0;
 741                 }
 742                 CSQC_BEGIN
 743                 PRVM_clientglobalfloat(coop) = localcoop;
 744                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 745                 CSQC_END
 746         }
 747 }
 748 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 749 {
 750         float r = 0;
 751         if(!cl.csqc_loaded)
 752                 return 0;
 753         CSQC_BEGIN
 754         if(PRVM_clientfunction(CSQC_Event))
 755         {
 756                 prog->globals.client->time = cl.time;
 757                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[cl.playerentity];
 758                 PRVM_G_FLOAT(OFS_PARM0) = event;
 759                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 760                 r = CSQC_RETURNVAL;
 761         }
 762         CSQC_END
 763         return r;
 764 }
 765
 766 void CSQC_ReadEntities (void)
 767 {
 768         unsigned short entnum, oldself, realentnum;
 769         if(!cl.csqc_loaded)
 770         {
 771                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 772                 return;
 773         }
 774
 775         CSQC_BEGIN
 776                 prog->globals.client->time = cl.time;
 777                 oldself = prog->globals.client->self;
 778                 while(1)
 779                 {
 780                         entnum = MSG_ReadShort();
 781                         if(!entnum || msg_badread)
 782                                 break;
 783                         realentnum = entnum & 0x7FFF;
 784                         prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum];
 785                         if(entnum & 0x8000)
 786                         {
 787                                 if(prog->globals.client->self)
 788                                 {
 789                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 790                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 791                                 }
 792                                 else
 793                                 {
 794                                         // LordHavoc: removing an entity that is already gone on
 795                                         // the csqc side is possible for legitimate reasons (such
 796                                         // as a repeat of the remove message), so no warning is
 797                                         // needed
 798                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 799                                 }
 800                         }
 801                         else
 802                         {
 803                                 if(!prog->globals.client->self)
 804                                 {
 805                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 806                                         {
 807                                                 prvm_edict_t    *ed;
 808                                                 ed = PRVM_ED_Alloc();
 809                                                 ed->fields.client->entnum = realentnum;
 810                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 811                                         }
 812                                         else
 813                                         {
 814                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 815                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 816                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 817                                                 // make sure no one gets wrong ideas
 818                                                 prog->globals.client->self = 0;
 819                                                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 820                                                 prog->globals.client->self = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 821                                         }
 822                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 823                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 824                                 }
 825                                 else {
 826                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 827                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 828                                 }
 829                         }
 830                 }
 831                 prog->globals.client->self = oldself;
 832         CSQC_END
 833 }
 834
 835 void CL_VM_CB_BeginIncreaseEdicts(void)
 836 {
 837         // links don't survive the transition, so unlink everything
 838         World_UnlinkAll(&cl.world);
 839 }
 840
 841 void CL_VM_CB_EndIncreaseEdicts(void)
 842 {
 843         int i;
 844         prvm_edict_t *ent;
 845
 846         // link every entity except world
 847         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 848                 if (!ent->priv.server->free)
 849                         CL_LinkEdict(ent);
 850 }
 851
 852 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 853 {
 854         int edictnum = PRVM_NUM_FOR_EDICT(e);
 855         entity_render_t *entrender;
 856         CL_ExpandCSQCRenderEntities(edictnum);
 857         entrender = cl.csqcrenderentities + edictnum;
 858         e->priv.server->move = false; // don't move on first frame
 859         memset(entrender, 0, sizeof(*entrender));
 860         entrender->shadertime = cl.time;
 861 }
 862
 863 extern void R_DecalSystem_Reset(decalsystem_t *decalsystem);
 864
 865 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 866 {
 867         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 868         R_DecalSystem_Reset(&entrender->decalsystem);
 869         memset(entrender, 0, sizeof(*entrender));
 870         World_UnlinkEdict(ed);
 871         memset(ed->fields.client, 0, sizeof(*ed->fields.client));
 872         VM_RemoveEdictSkeleton(ed);
 873         World_Physics_RemoveFromEntity(&cl.world, ed);
 874         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 875 }
 876
 877 void CL_VM_CB_CountEdicts(void)
 878 {
 879         int             i;
 880         prvm_edict_t    *ent;
 881         int             active = 0, models = 0, solid = 0;
 882
 883         for (i=0 ; i<prog->num_edicts ; i++)
 884         {
 885                 ent = PRVM_EDICT_NUM(i);
 886                 if (ent->priv.server->free)
 887                         continue;
 888                 active++;
 889                 if (ent->fields.client->solid)
 890                         solid++;
 891                 if (ent->fields.client->model)
 892                         models++;
 893         }
 894
 895         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 896         Con_Printf("active    :%3i\n", active);
 897         Con_Printf("view      :%3i\n", models);
 898         Con_Printf("touch     :%3i\n", solid);
 899 }
 900
 901 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 902 {
 903         return true;
 904 }
 905
 906 void Cmd_ClearCsqcFuncs (void);
 907
 908 // returns true if the packet is valid, false if end of file is reached
 909 // used for dumping the CSQC download into demo files
 910 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 911 {
 912         int packetsize = buf->maxsize - 7; // byte short long
 913         int npackets = (len + packetsize - 1) / (packetsize);
 914
 915         if(protocol == PROTOCOL_QUAKEWORLD)
 916                 return false; // CSQC can't run in QW anyway
 917
 918         SZ_Clear(buf);
 919         if(cnt == 0)
 920         {
 921                 MSG_WriteByte(buf, svc_stufftext);
 922                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 923                 return true;
 924         }
 925         else if(cnt >= 1 && cnt <= npackets)
 926         {
 927                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 928                 int thispacketsize = len - thispacketoffset;
 929                 if(thispacketsize > packetsize)
 930                         thispacketsize = packetsize;
 931
 932                 MSG_WriteByte(buf, svc_downloaddata);
 933                 MSG_WriteLong(buf, thispacketoffset);
 934                 MSG_WriteShort(buf, thispacketsize);
 935                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 936
 937                 return true;
 938         }
 939         else if(cnt == npackets + 1)
 940         {
 941                 MSG_WriteByte(buf, svc_stufftext);
 942                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 943                 return true;
 944         }
 945         return false;
 946 }
 947
 948 void CL_VM_Init (void)
 949 {
 950         const char* csprogsfn;
 951         unsigned char *csprogsdata;
 952         fs_offset_t csprogsdatasize;
 953         int csprogsdatacrc, requiredcrc;
 954         int requiredsize;
 955
 956         // reset csqc_progcrc after reading it, so that changing servers doesn't
 957         // expect csqc on the next server
 958         requiredcrc = csqc_progcrc.integer;
 959         requiredsize = csqc_progsize.integer;
 960         Cvar_SetValueQuick(&csqc_progcrc, -1);
 961         Cvar_SetValueQuick(&csqc_progsize, -1);
 962
 963         // if the server is not requesting a csprogs, then we're done here
 964         if (requiredcrc < 0)
 965                 return;
 966
 967         // see if the requested csprogs.dat file matches the requested crc
 968         csprogsdatacrc = -1;
 969         csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 970         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 971         if (!csprogsdata)
 972         {
 973                 csprogsfn = csqc_progname.string;
 974                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 975         }
 976         if (csprogsdata)
 977         {
 978                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
 979                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 980                 {
 981                         if (cls.demoplayback)
 982                         {
 983                                 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);
 984                                 // Mem_Free(csprogsdata);
 985                                 // return;
 986                                 // We WANT to continue here, and play the demo with different csprogs!
 987                                 // After all, this is just a warning. Sure things may go wrong from here.
 988                         }
 989                         else
 990                         {
 991                                 Mem_Free(csprogsdata);
 992                                 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);
 993                                 CL_Disconnect();
 994                                 return;
 995                         }
 996                 }
 997         }
 998         else
 999         {
1000                 if (requiredcrc >= 0)
1001                 {
1002                         if (cls.demoplayback)
1003                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1004                         else
1005                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1006                         CL_Disconnect();
1007                 }
1008                 return;
1009         }
1010
1011         PRVM_Begin;
1012         PRVM_InitProg(PRVM_CLIENTPROG);
1013
1014         // allocate the mempools
1015         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1016         prog->headercrc = CL_PROGHEADER_CRC;
1017         prog->edictprivate_size = 0; // no private struct used
1018         prog->name = CL_NAME;
1019         prog->num_edicts = 1;
1020         prog->max_edicts = 512;
1021         prog->limit_edicts = CL_MAX_EDICTS;
1022         prog->reserved_edicts = 0;
1023         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1024         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1025         prog->extensionstring = vm_sv_extensions;
1026         prog->builtins = vm_cl_builtins;
1027         prog->numbuiltins = vm_cl_numbuiltins;
1028         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
1029         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
1030         prog->init_edict = CL_VM_CB_InitEdict;
1031         prog->free_edict = CL_VM_CB_FreeEdict;
1032         prog->count_edicts = CL_VM_CB_CountEdicts;
1033         prog->load_edict = CL_VM_CB_LoadEdict;
1034         prog->init_cmd = VM_CL_Cmd_Init;
1035         prog->reset_cmd = VM_CL_Cmd_Reset;
1036         prog->error_cmd = CL_VM_Error;
1037         prog->ExecuteProgram = CLVM_ExecuteProgram;
1038
1039         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1040
1041         if (!prog->loaded)
1042         {
1043                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
1044                 if(!sv.active)
1045                         CL_Disconnect();
1046                 Mem_Free(csprogsdata);
1047                 return;
1048         }
1049
1050         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1051
1052         if(cls.demorecording)
1053         {
1054                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1055                 {
1056                         int i;
1057                         static char buf[NET_MAXMESSAGE];
1058                         sizebuf_t sb;
1059                         unsigned char *demobuf; fs_offset_t demofilesize;
1060
1061                         sb.data = (unsigned char *) buf;
1062                         sb.maxsize = sizeof(buf);
1063                         i = 0;
1064
1065                         CL_CutDemo(&demobuf, &demofilesize);
1066                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1067                                 CL_WriteDemoMessage(&sb);
1068                         CL_PasteDemo(&demobuf, &demofilesize);
1069
1070                         cls.demo_lastcsprogssize = csprogsdatasize;
1071                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1072                 }
1073         }
1074         Mem_Free(csprogsdata);
1075
1076         // check if OP_STATE animation is possible in this dat file
1077         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1078                 prog->flag |= PRVM_OP_STATE;
1079
1080         // set time
1081         prog->globals.client->time = cl.time;
1082         prog->globals.client->self = 0;
1083
1084         prog->globals.client->mapname = PRVM_SetEngineString(cl.worldname);
1085         prog->globals.client->player_localentnum = cl.playerentity;
1086
1087         // set map description (use world entity 0)
1088         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(cl.worldmessage);
1089         VectorCopy(cl.world.mins, prog->edicts->fields.client->mins);
1090         VectorCopy(cl.world.maxs, prog->edicts->fields.client->maxs);
1091
1092         // call the prog init
1093         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1094
1095         PRVM_End;
1096         cl.csqc_loaded = true;
1097
1098         cl.csqc_vidvars.drawcrosshair = false;
1099         cl.csqc_vidvars.drawenginesbar = false;
1100
1101         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1102         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1103 }
1104
1105 void CL_VM_ShutDown (void)
1106 {
1107         Cmd_ClearCsqcFuncs();
1108         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1109         //Cvar_SetValueQuick(&csqc_progsize, -1);
1110         if(!cl.csqc_loaded)
1111                 return;
1112         CSQC_BEGIN
1113                 prog->globals.client->time = cl.time;
1114                 prog->globals.client->self = 0;
1115                 if (PRVM_clientfunction(CSQC_Shutdown))
1116                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1117                 PRVM_ResetProg();
1118         CSQC_END
1119         Con_DPrint("CSQC ^1unloaded\n");
1120         cl.csqc_loaded = false;
1121 }
1122
1123 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1124 {
1125         prvm_edict_t *ed;
1126         dp_model_t *mod;
1127         matrix4x4_t matrix;
1128         qboolean r = 0;
1129
1130         CSQC_BEGIN;
1131
1132         // FIXME consider attachments here!
1133
1134         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1135
1136         if(!ed->priv.required->free)
1137         {
1138                 mod = CL_GetModelFromEdict(ed);
1139                 VectorCopy(ed->fields.client->origin, out);
1140                 if(CL_GetTagMatrix (&matrix, ed, 0) == 0)
1141                         Matrix4x4_OriginFromMatrix(&matrix, out);
1142                 if (mod && mod->soundfromcenter)
1143                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1144                 r = 1;
1145         }
1146
1147         CSQC_END;
1148
1149         return r;
1150 }
1151
1152 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1153 {
1154         qboolean ret = false;
1155         prvm_edict_t *ed;
1156         vec3_t forward, left, up, origin, ang;
1157         matrix4x4_t mat, matq;
1158
1159         CSQC_BEGIN
1160                 ed = PRVM_EDICT_NUM(entnum);
1161                 // camera:
1162                 //   camera_transform
1163                 if(PRVM_clientedictfunction(ed, camera_transform))
1164                 {
1165                         ret = true;
1166                         if(viewmatrix || clipplane || visorigin)
1167                         {
1168                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1169                                 AnglesFromVectors(ang, forward, up, false);
1170                                 prog->globals.client->time = cl.time;
1171                                 prog->globals.client->self = entnum;
1172                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1173                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1174                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1175                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1176                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1177                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1178                                 PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1179                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1180                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1181                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1182                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1183                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1184                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1185                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1186                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1187                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1188                         }
1189                 }
1190         CSQC_END
1191
1192         return ret;
1193 }