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 void CSQC_R_RecalcView (void);
 244 static void CSQC_SetGlobals (void)
 245 {
 246         CSQC_BEGIN
 247                 PRVM_clientglobalfloat(time) = cl.time;
 248                 PRVM_clientglobalfloat(frametime) = max(0, cl.time - cl.oldtime);
 249                 PRVM_clientglobalfloat(servercommandframe) = cls.servermovesequence;
 250                 PRVM_clientglobalfloat(clientcommandframe) = cl.movecmd[0].sequence;
 251                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(input_angles));
 252                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
 253                 PRVM_clientglobalfloat(input_buttons) = cl.movecmd[0].buttons;
 254                 VectorSet(PRVM_clientglobalvector(input_movevalues), cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
 255                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
 256                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
 257
 258                 // LordHavoc: Spike says not to do this, but without pmove_org the
 259                 // CSQC is useless as it can't alter the view origin without
 260                 // completely replacing it
 261                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, PRVM_clientglobalvector(pmove_org));
 262                 VectorCopy(cl.movement_velocity, PRVM_clientglobalvector(pmove_vel));
 263                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
 264                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
 265
 266                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
 267                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
 268                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
 269                 PRVM_clientglobalfloat(maxclients) = cl.maxclients;
 270
 271                 CSQC_R_RecalcView();
 272         CSQC_END
 273 }
 274
 275 void CSQC_Predraw (prvm_edict_t *ed)
 276 {
 277         int b;
 278         if(!PRVM_clientedictfunction(ed, predraw))
 279                 return;
 280         b = PRVM_clientglobaledict(self);
 281         PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 282         PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, predraw), "CSQC_Predraw: NULL function\n");
 283         PRVM_clientglobaledict(self) = b;
 284 }
 285
 286 void CSQC_Think (prvm_edict_t *ed)
 287 {
 288         int b;
 289         if(PRVM_clientedictfunction(ed, think))
 290         if(PRVM_clientedictfloat(ed, nextthink) && PRVM_clientedictfloat(ed, nextthink) <= PRVM_clientglobalfloat(time))
 291         {
 292                 PRVM_clientedictfloat(ed, nextthink) = 0;
 293                 b = PRVM_clientglobaledict(self);
 294                 PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 295                 PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, think), "CSQC_Think: NULL function\n");
 296                 PRVM_clientglobaledict(self) = b;
 297         }
 298 }
 299
 300 extern cvar_t cl_noplayershadow;
 301 extern cvar_t r_equalize_entities_fullbright;
 302 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 303 {
 304         int renderflags;
 305         int c;
 306         float scale;
 307         entity_render_t *entrender;
 308         dp_model_t *model;
 309
 310         model = CL_GetModelFromEdict(ed);
 311         if (!model)
 312                 return false;
 313
 314         if (edictnum)
 315         {
 316                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 317                         return false;
 318                 entrender = cl.csqcrenderentities + edictnum;
 319                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 320                 entrender->entitynumber = edictnum + MAX_EDICTS;
 321                 //entrender->shadertime = 0; // shadertime was set by spawn()
 322                 entrender->flags = 0;
 323                 entrender->alpha = 1;
 324                 entrender->scale = 1;
 325                 VectorSet(entrender->colormod, 1, 1, 1);
 326                 VectorSet(entrender->glowmod, 1, 1, 1);
 327                 entrender->allowdecals = true;
 328         }
 329         else
 330         {
 331                 entrender = CL_NewTempEntity(0);
 332                 if (!entrender)
 333                         return false;
 334         }
 335
 336         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
 337         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
 338         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
 339         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
 340
 341         entrender->model = model;
 342         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
 343         entrender->effects |= entrender->model->effects;
 344         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
 345         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
 346         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
 347         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
 348         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
 349         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
 350         if (!entrender->alpha)
 351                 entrender->alpha = 1.0f;
 352         if (!entrender->scale)
 353                 entrender->scale = scale = 1.0f;
 354         if (!VectorLength2(entrender->colormod))
 355                 VectorSet(entrender->colormod, 1, 1, 1);
 356         if (!VectorLength2(entrender->glowmod))
 357                 VectorSet(entrender->glowmod, 1, 1, 1);
 358
 359         // LordHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 360         CL_GetTagMatrix(&entrender->matrix, ed, 0);
 361
 362         // set up the animation data
 363         VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
 364         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
 365         VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
 366         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
 367                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
 368
 369         // transparent offset
 370         if (renderflags & RF_USETRANSPARENTOFFSET)
 371                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
 372
 373         if(renderflags)
 374         {
 375                 if(renderflags & RF_VIEWMODEL)  entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 376                 if(renderflags & RF_EXTERNALMODEL)entrender->flags |= RENDER_EXTERIORMODEL;
 377                 if(renderflags & RF_NOCULL)             entrender->flags |= RENDER_NOCULL;
 378                 if(renderflags & RF_DEPTHHACK)  entrender->flags |= RENDER_NODEPTHTEST;
 379                 if(renderflags & RF_ADDITIVE)           entrender->flags |= RENDER_ADDITIVE;
 380         }
 381
 382         c = (int)PRVM_clientedictfloat(ed, colormap);
 383         if (c <= 0)
 384                 CL_SetEntityColormapColors(entrender, -1);
 385         else if (c <= cl.maxclients && cl.scores != NULL)
 386                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 387         else
 388                 CL_SetEntityColormapColors(entrender, c);
 389
 390         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 391         // either fullbright or lit
 392         if(!r_fullbright.integer)
 393         {
 394                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 395                         entrender->flags |= RENDER_LIGHT;
 396                 else if(r_equalize_entities_fullbright.integer)
 397                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 398         }
 399         // hide player shadow during intermission or nehahra movie
 400         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 401          &&  (entrender->alpha >= 1)
 402          && !(renderflags & RF_NOSHADOW)
 403          && !(entrender->flags & RENDER_VIEWMODEL)
 404          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 405                 entrender->flags |= RENDER_SHADOW;
 406         if (entrender->flags & RENDER_VIEWMODEL)
 407                 entrender->flags |= RENDER_NOSELFSHADOW;
 408         if (entrender->effects & EF_NOSELFSHADOW)
 409                 entrender->flags |= RENDER_NOSELFSHADOW;
 410         if (entrender->effects & EF_NODEPTHTEST)
 411                 entrender->flags |= RENDER_NODEPTHTEST;
 412         if (entrender->effects & EF_ADDITIVE)
 413                 entrender->flags |= RENDER_ADDITIVE;
 414         if (entrender->effects & EF_DOUBLESIDED)
 415                 entrender->flags |= RENDER_DOUBLESIDED;
 416
 417         // make the other useful stuff
 418         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 419         CL_UpdateRenderEntity(entrender);
 420         // override animation data with full control
 421         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 422         if (ed->priv.server->skeleton.relativetransforms)
 423                 entrender->skeleton = &ed->priv.server->skeleton;
 424         else
 425                 entrender->skeleton = NULL;
 426
 427         return true;
 428 }
 429
 430 qboolean CL_VM_InputEvent (qboolean down, int key, int ascii)
 431 {
 432         qboolean r;
 433
 434         if(!cl.csqc_loaded)
 435                 return false;
 436
 437         CSQC_BEGIN
 438                 if (!PRVM_clientfunction(CSQC_InputEvent))
 439                         r = false;
 440                 else
 441                 {
 442                         PRVM_clientglobalfloat(time) = cl.time;
 443                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 444                         PRVM_G_FLOAT(OFS_PARM0) = !down; // 0 is down, 1 is up
 445                         PRVM_G_FLOAT(OFS_PARM1) = key;
 446                         PRVM_G_FLOAT(OFS_PARM2) = ascii;
 447                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
 448                         r = CSQC_RETURNVAL != 0;
 449                 }
 450         CSQC_END
 451         return r;
 452 }
 453
 454 qboolean CL_VM_UpdateView (void)
 455 {
 456         vec3_t emptyvector;
 457         emptyvector[0] = 0;
 458         emptyvector[1] = 0;
 459         emptyvector[2] = 0;
 460 //      vec3_t oldangles;
 461         if(!cl.csqc_loaded)
 462                 return false;
 463         R_TimeReport("pre-UpdateView");
 464         CSQC_BEGIN
 465                 //VectorCopy(cl.viewangles, oldangles);
 466                 PRVM_clientglobalfloat(time) = cl.time;
 467                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 468                 CSQC_SetGlobals();
 469                 // clear renderable entity and light lists to prevent crashes if the
 470                 // CSQC_UpdateView function does not call R_ClearScene as it should
 471                 r_refdef.scene.numentities = 0;
 472                 r_refdef.scene.numlights = 0;
 473                 // pass in width and height as parameters (EXT_CSQC_1)
 474                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 475                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 476                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 477                 //VectorCopy(oldangles, cl.viewangles);
 478                 // Dresk : Reset Dmg Globals Here
 479                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 480         CSQC_END
 481         R_TimeReport("UpdateView");
 482         return true;
 483 }
 484
 485 extern sizebuf_t vm_tempstringsbuf;
 486 qboolean CL_VM_ConsoleCommand (const char *cmd)
 487 {
 488         int restorevm_tempstringsbuf_cursize;
 489         qboolean r = false;
 490         if(!cl.csqc_loaded)
 491                 return false;
 492         CSQC_BEGIN
 493         if (PRVM_clientfunction(CSQC_ConsoleCommand))
 494         {
 495                 PRVM_clientglobalfloat(time) = cl.time;
 496                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 497                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 498                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 499                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
 500                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 501                 r = CSQC_RETURNVAL != 0;
 502         }
 503         CSQC_END
 504         return r;
 505 }
 506
 507 qboolean CL_VM_Parse_TempEntity (void)
 508 {
 509         int                     t;
 510         qboolean        r = false;
 511         if(!cl.csqc_loaded)
 512                 return false;
 513         CSQC_BEGIN
 514         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 515         {
 516                 t = msg_readcount;
 517                 PRVM_clientglobalfloat(time) = cl.time;
 518                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 519                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 520                 r = CSQC_RETURNVAL != 0;
 521                 if(!r)
 522                 {
 523                         msg_readcount = t;
 524                         msg_badread = false;
 525                 }
 526         }
 527         CSQC_END
 528         return r;
 529 }
 530
 531 void CL_VM_Parse_StuffCmd (const char *msg)
 532 {
 533         int restorevm_tempstringsbuf_cursize;
 534         if(msg[0] == 'c')
 535         if(msg[1] == 's')
 536         if(msg[2] == 'q')
 537         if(msg[3] == 'c')
 538         {
 539                 // if this is setting a csqc variable, deprotect csqc_progcrc
 540                 // temporarily so that it can be set by the cvar command,
 541                 // and then reprotect it afterwards
 542                 int crcflags = csqc_progcrc.flags;
 543                 int sizeflags = csqc_progcrc.flags;
 544                 csqc_progcrc.flags &= ~CVAR_READONLY;
 545                 csqc_progsize.flags &= ~CVAR_READONLY;
 546                 Cmd_ExecuteString (msg, src_command);
 547                 csqc_progcrc.flags = crcflags;
 548                 csqc_progsize.flags = sizeflags;
 549                 return;
 550         }
 551
 552         if(cls.demoplayback)
 553         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 554         {
 555                 // special handling for map download commands
 556                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 557                 // that way, there is no black screen when playing back demos
 558                 // I know this is a really ugly hack, but I can't think of any better way
 559                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 560                 // until all maps are loaded, then remove this hack
 561
 562                 char buf[MAX_INPUTLINE];
 563                 const char *p, *q;
 564                 size_t l;
 565
 566                 p = msg;
 567
 568                 for(;;)
 569                 {
 570                         q = strchr(p, '\n');
 571                         if(q)
 572                                 l = q - p;
 573                         else
 574                                 l = strlen(p);
 575                         if(l > sizeof(buf) - 1)
 576                                 l = sizeof(buf) - 1;
 577                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 578
 579                         Cmd_ExecuteString(buf, src_command);
 580
 581                         p += l;
 582                         if(*p == '\n')
 583                                 ++p; // skip the newline and continue
 584                         else
 585                                 break; // end of string or overflow
 586                 }
 587                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
 588                 return;
 589         }
 590
 591         if(!cl.csqc_loaded)
 592         {
 593                 Cbuf_AddText(msg);
 594                 return;
 595         }
 596         CSQC_BEGIN
 597         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 598         {
 599                 PRVM_clientglobalfloat(time) = cl.time;
 600                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 601                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 602                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 603                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 604                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 605         }
 606         else
 607                 Cbuf_AddText(msg);
 608         CSQC_END
 609 }
 610
 611 static void CL_VM_Parse_Print (const char *msg)
 612 {
 613         int restorevm_tempstringsbuf_cursize;
 614         PRVM_clientglobalfloat(time) = cl.time;
 615         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 616         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 617         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 618         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 619         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 620 }
 621
 622 void CSQC_AddPrintText (const char *msg)
 623 {
 624         size_t i;
 625         if(!cl.csqc_loaded)
 626         {
 627                 Con_Print(msg);
 628                 return;
 629         }
 630         CSQC_BEGIN
 631         if(PRVM_clientfunction(CSQC_Parse_Print))
 632         {
 633                 // FIXME: is this bugged?
 634                 i = strlen(msg)-1;
 635                 if(msg[i] != '\n' && msg[i] != '\r')
 636                 {
 637                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 638                         {
 639                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 640                                 cl.csqc_printtextbuf[0] = 0;
 641                         }
 642                         else
 643                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 644                         return;
 645                 }
 646                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 647                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 648                 cl.csqc_printtextbuf[0] = 0;
 649         }
 650         else
 651                 Con_Print(msg);
 652         CSQC_END
 653 }
 654
 655 void CL_VM_Parse_CenterPrint (const char *msg)
 656 {
 657         int restorevm_tempstringsbuf_cursize;
 658         if(!cl.csqc_loaded)
 659         {
 660                 SCR_CenterPrint(msg);
 661                 return;
 662         }
 663         CSQC_BEGIN
 664         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
 665         {
 666                 PRVM_clientglobalfloat(time) = cl.time;
 667                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 668                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 669                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 670                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 671                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 672         }
 673         else
 674                 SCR_CenterPrint(msg);
 675         CSQC_END
 676 }
 677
 678 void CL_VM_UpdateIntermissionState (int intermission)
 679 {
 680         if(cl.csqc_loaded)
 681         {
 682                 CSQC_BEGIN
 683                 PRVM_clientglobalfloat(intermission) = intermission;
 684                 CSQC_END
 685         }
 686 }
 687 void CL_VM_UpdateShowingScoresState (int showingscores)
 688 {
 689         if(cl.csqc_loaded)
 690         {
 691                 CSQC_BEGIN
 692                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 693                 CSQC_END
 694         }
 695 }
 696 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos)
 697 {
 698         qboolean r = false;
 699         if(cl.csqc_loaded)
 700         {
 701                 CSQC_BEGIN
 702                 if(PRVM_clientfunction(CSQC_Event_Sound))
 703                 {
 704                         PRVM_clientglobalfloat(time) = cl.time;
 705                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 706                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 707                         PRVM_G_FLOAT(OFS_PARM1) = channel;
 708                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 709                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 710                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 711                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 712                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 713                         r = CSQC_RETURNVAL != 0;
 714                 }
 715                 CSQC_END
 716         }
 717
 718         return r;
 719 }
 720 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 721 {
 722         // Avoid global names for clean(er) coding
 723         int localcoop;
 724         int localdeathmatch;
 725
 726         if(cl.csqc_loaded)
 727         {
 728                 if(gametype == GAME_COOP)
 729                 {
 730                         localcoop = 1;
 731                         localdeathmatch = 0;
 732                 }
 733                 else
 734                 if(gametype == GAME_DEATHMATCH)
 735                 {
 736                         localcoop = 0;
 737                         localdeathmatch = 1;
 738                 }
 739                 else
 740                 {
 741                         // How did the ServerInfo send an unknown gametype?
 742                         // Better just assign the globals as 0...
 743                         localcoop = 0;
 744                         localdeathmatch = 0;
 745                 }
 746                 CSQC_BEGIN
 747                 PRVM_clientglobalfloat(coop) = localcoop;
 748                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 749                 CSQC_END
 750         }
 751 }
 752 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 753 {
 754         float r = 0;
 755         if(!cl.csqc_loaded)
 756                 return 0;
 757         CSQC_BEGIN
 758         if(PRVM_clientfunction(CSQC_Event))
 759         {
 760                 PRVM_clientglobalfloat(time) = cl.time;
 761                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 762                 PRVM_G_FLOAT(OFS_PARM0) = event;
 763                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 764                 r = CSQC_RETURNVAL;
 765         }
 766         CSQC_END
 767         return r;
 768 }
 769
 770 void CSQC_ReadEntities (void)
 771 {
 772         unsigned short entnum, oldself, realentnum;
 773         if(!cl.csqc_loaded)
 774         {
 775                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 776                 return;
 777         }
 778
 779         CSQC_BEGIN
 780                 PRVM_clientglobalfloat(time) = cl.time;
 781                 oldself = PRVM_clientglobaledict(self);
 782                 while(1)
 783                 {
 784                         entnum = MSG_ReadShort();
 785                         if(!entnum || msg_badread)
 786                                 break;
 787                         realentnum = entnum & 0x7FFF;
 788                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
 789                         if(entnum & 0x8000)
 790                         {
 791                                 if(PRVM_clientglobaledict(self))
 792                                 {
 793                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 794                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 795                                 }
 796                                 else
 797                                 {
 798                                         // LordHavoc: removing an entity that is already gone on
 799                                         // the csqc side is possible for legitimate reasons (such
 800                                         // as a repeat of the remove message), so no warning is
 801                                         // needed
 802                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 803                                 }
 804                         }
 805                         else
 806                         {
 807                                 if(!PRVM_clientglobaledict(self))
 808                                 {
 809                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 810                                         {
 811                                                 prvm_edict_t    *ed;
 812                                                 ed = PRVM_ED_Alloc();
 813                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
 814                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 815                                         }
 816                                         else
 817                                         {
 818                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 819                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 820                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 821                                                 // make sure no one gets wrong ideas
 822                                                 PRVM_clientglobaledict(self) = 0;
 823                                                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 824                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 825                                         }
 826                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 827                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 828                                 }
 829                                 else {
 830                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 831                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 832                                 }
 833                         }
 834                 }
 835                 PRVM_clientglobaledict(self) = oldself;
 836         CSQC_END
 837 }
 838
 839 void CL_VM_CB_BeginIncreaseEdicts(void)
 840 {
 841         // links don't survive the transition, so unlink everything
 842         World_UnlinkAll(&cl.world);
 843 }
 844
 845 void CL_VM_CB_EndIncreaseEdicts(void)
 846 {
 847         int i;
 848         prvm_edict_t *ent;
 849
 850         // link every entity except world
 851         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 852                 if (!ent->priv.server->free)
 853                         CL_LinkEdict(ent);
 854 }
 855
 856 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 857 {
 858         int edictnum = PRVM_NUM_FOR_EDICT(e);
 859         entity_render_t *entrender;
 860         CL_ExpandCSQCRenderEntities(edictnum);
 861         entrender = cl.csqcrenderentities + edictnum;
 862         e->priv.server->move = false; // don't move on first frame
 863         memset(entrender, 0, sizeof(*entrender));
 864         entrender->shadertime = cl.time;
 865 }
 866
 867 extern void R_DecalSystem_Reset(decalsystem_t *decalsystem);
 868
 869 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 870 {
 871         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 872         R_DecalSystem_Reset(&entrender->decalsystem);
 873         memset(entrender, 0, sizeof(*entrender));
 874         World_UnlinkEdict(ed);
 875         memset(ed->fields.vp, 0, prog->entityfields * 4);
 876         VM_RemoveEdictSkeleton(ed);
 877         World_Physics_RemoveFromEntity(&cl.world, ed);
 878         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 879 }
 880
 881 void CL_VM_CB_CountEdicts(void)
 882 {
 883         int             i;
 884         prvm_edict_t    *ent;
 885         int             active = 0, models = 0, solid = 0;
 886
 887         for (i=0 ; i<prog->num_edicts ; i++)
 888         {
 889                 ent = PRVM_EDICT_NUM(i);
 890                 if (ent->priv.server->free)
 891                         continue;
 892                 active++;
 893                 if (PRVM_clientedictfloat(ent, solid))
 894                         solid++;
 895                 if (PRVM_clientedictstring(ent, model))
 896                         models++;
 897         }
 898
 899         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 900         Con_Printf("active    :%3i\n", active);
 901         Con_Printf("view      :%3i\n", models);
 902         Con_Printf("touch     :%3i\n", solid);
 903 }
 904
 905 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 906 {
 907         return true;
 908 }
 909
 910 void Cmd_ClearCsqcFuncs (void);
 911
 912 // returns true if the packet is valid, false if end of file is reached
 913 // used for dumping the CSQC download into demo files
 914 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 915 {
 916         int packetsize = buf->maxsize - 7; // byte short long
 917         int npackets = (len + packetsize - 1) / (packetsize);
 918
 919         if(protocol == PROTOCOL_QUAKEWORLD)
 920                 return false; // CSQC can't run in QW anyway
 921
 922         SZ_Clear(buf);
 923         if(cnt == 0)
 924         {
 925                 MSG_WriteByte(buf, svc_stufftext);
 926                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 927                 return true;
 928         }
 929         else if(cnt >= 1 && cnt <= npackets)
 930         {
 931                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 932                 int thispacketsize = len - thispacketoffset;
 933                 if(thispacketsize > packetsize)
 934                         thispacketsize = packetsize;
 935
 936                 MSG_WriteByte(buf, svc_downloaddata);
 937                 MSG_WriteLong(buf, thispacketoffset);
 938                 MSG_WriteShort(buf, thispacketsize);
 939                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 940
 941                 return true;
 942         }
 943         else if(cnt == npackets + 1)
 944         {
 945                 MSG_WriteByte(buf, svc_stufftext);
 946                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 947                 return true;
 948         }
 949         return false;
 950 }
 951
 952 void CL_VM_Init (void)
 953 {
 954         const char* csprogsfn;
 955         unsigned char *csprogsdata;
 956         fs_offset_t csprogsdatasize;
 957         int csprogsdatacrc, requiredcrc;
 958         int requiredsize;
 959
 960         // reset csqc_progcrc after reading it, so that changing servers doesn't
 961         // expect csqc on the next server
 962         requiredcrc = csqc_progcrc.integer;
 963         requiredsize = csqc_progsize.integer;
 964         Cvar_SetValueQuick(&csqc_progcrc, -1);
 965         Cvar_SetValueQuick(&csqc_progsize, -1);
 966
 967         // if the server is not requesting a csprogs, then we're done here
 968         if (requiredcrc < 0)
 969                 return;
 970
 971         // see if the requested csprogs.dat file matches the requested crc
 972         csprogsdatacrc = -1;
 973         csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 974         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 975         if (!csprogsdata)
 976         {
 977                 csprogsfn = csqc_progname.string;
 978                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 979         }
 980         if (csprogsdata)
 981         {
 982                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
 983                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 984                 {
 985                         if (cls.demoplayback)
 986                         {
 987                                 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);
 988                                 // Mem_Free(csprogsdata);
 989                                 // return;
 990                                 // We WANT to continue here, and play the demo with different csprogs!
 991                                 // After all, this is just a warning. Sure things may go wrong from here.
 992                         }
 993                         else
 994                         {
 995                                 Mem_Free(csprogsdata);
 996                                 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);
 997                                 CL_Disconnect();
 998                                 return;
 999                         }
1000                 }
1001         }
1002         else
1003         {
1004                 if (requiredcrc >= 0)
1005                 {
1006                         if (cls.demoplayback)
1007                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1008                         else
1009                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1010                         CL_Disconnect();
1011                 }
1012                 return;
1013         }
1014
1015         PRVM_Begin;
1016         PRVM_InitProg(PRVM_CLIENTPROG);
1017
1018         // allocate the mempools
1019         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1020         prog->edictprivate_size = 0; // no private struct used
1021         prog->name = CL_NAME;
1022         prog->num_edicts = 1;
1023         prog->max_edicts = 512;
1024         prog->limit_edicts = CL_MAX_EDICTS;
1025         prog->reserved_edicts = 0;
1026         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1027         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1028         prog->extensionstring = vm_sv_extensions;
1029         prog->builtins = vm_cl_builtins;
1030         prog->numbuiltins = vm_cl_numbuiltins;
1031         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
1032         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
1033         prog->init_edict = CL_VM_CB_InitEdict;
1034         prog->free_edict = CL_VM_CB_FreeEdict;
1035         prog->count_edicts = CL_VM_CB_CountEdicts;
1036         prog->load_edict = CL_VM_CB_LoadEdict;
1037         prog->init_cmd = VM_CL_Cmd_Init;
1038         prog->reset_cmd = VM_CL_Cmd_Reset;
1039         prog->error_cmd = CL_VM_Error;
1040         prog->ExecuteProgram = CLVM_ExecuteProgram;
1041
1042         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1043
1044         if (!prog->loaded)
1045         {
1046                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
1047                 if(!sv.active)
1048                         CL_Disconnect();
1049                 Mem_Free(csprogsdata);
1050                 return;
1051         }
1052
1053         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1054
1055         if(cls.demorecording)
1056         {
1057                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1058                 {
1059                         int i;
1060                         static char buf[NET_MAXMESSAGE];
1061                         sizebuf_t sb;
1062                         unsigned char *demobuf; fs_offset_t demofilesize;
1063
1064                         sb.data = (unsigned char *) buf;
1065                         sb.maxsize = sizeof(buf);
1066                         i = 0;
1067
1068                         CL_CutDemo(&demobuf, &demofilesize);
1069                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1070                                 CL_WriteDemoMessage(&sb);
1071                         CL_PasteDemo(&demobuf, &demofilesize);
1072
1073                         cls.demo_lastcsprogssize = csprogsdatasize;
1074                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1075                 }
1076         }
1077         Mem_Free(csprogsdata);
1078
1079         // check if OP_STATE animation is possible in this dat file
1080         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1081                 prog->flag |= PRVM_OP_STATE;
1082
1083         // set time
1084         PRVM_clientglobalfloat(time) = cl.time;
1085         PRVM_clientglobaledict(self) = 0;
1086
1087         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(cl.worldname);
1088         PRVM_clientglobalfloat(player_localentnum) = cl.playerentity;
1089
1090         // set map description (use world entity 0)
1091         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(cl.worldmessage);
1092         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1093         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1094
1095         // call the prog init
1096         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1097
1098         PRVM_End;
1099         cl.csqc_loaded = true;
1100
1101         cl.csqc_vidvars.drawcrosshair = false;
1102         cl.csqc_vidvars.drawenginesbar = false;
1103
1104         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1105         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1106 }
1107
1108 void CL_VM_ShutDown (void)
1109 {
1110         Cmd_ClearCsqcFuncs();
1111         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1112         //Cvar_SetValueQuick(&csqc_progsize, -1);
1113         if(!cl.csqc_loaded)
1114                 return;
1115         CSQC_BEGIN
1116                 PRVM_clientglobalfloat(time) = cl.time;
1117                 PRVM_clientglobaledict(self) = 0;
1118                 if (PRVM_clientfunction(CSQC_Shutdown))
1119                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1120                 PRVM_ResetProg();
1121         CSQC_END
1122         Con_DPrint("CSQC ^1unloaded\n");
1123         cl.csqc_loaded = false;
1124 }
1125
1126 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1127 {
1128         prvm_edict_t *ed;
1129         dp_model_t *mod;
1130         matrix4x4_t matrix;
1131         qboolean r = 0;
1132
1133         CSQC_BEGIN;
1134
1135         // FIXME consider attachments here!
1136
1137         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1138
1139         if(!ed->priv.required->free)
1140         {
1141                 mod = CL_GetModelFromEdict(ed);
1142                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1143                 if(CL_GetTagMatrix (&matrix, ed, 0) == 0)
1144                         Matrix4x4_OriginFromMatrix(&matrix, out);
1145                 if (mod && mod->soundfromcenter)
1146                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1147                 r = 1;
1148         }
1149
1150         CSQC_END;
1151
1152         return r;
1153 }
1154
1155 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1156 {
1157         qboolean ret = false;
1158         prvm_edict_t *ed;
1159         vec3_t forward, left, up, origin, ang;
1160         matrix4x4_t mat, matq;
1161
1162         CSQC_BEGIN
1163                 ed = PRVM_EDICT_NUM(entnum);
1164                 // camera:
1165                 //   camera_transform
1166                 if(PRVM_clientedictfunction(ed, camera_transform))
1167                 {
1168                         ret = true;
1169                         if(viewmatrix || clipplane || visorigin)
1170                         {
1171                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1172                                 AnglesFromVectors(ang, forward, up, false);
1173                                 PRVM_clientglobalfloat(time) = cl.time;
1174                                 PRVM_clientglobaledict(self) = entnum;
1175                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1176                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1177                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1178                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1179                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1180                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1181                                 PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1182                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1183                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1184                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1185                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1186                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1187                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1188                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1189                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1190                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1191                         }
1192                 }
1193         CSQC_END
1194
1195         return ret;
1196 }