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.fp[OFS_RETURN]
  15 #define CSQC_BEGIN
  16 #define CSQC_END
  17
  18 void CL_VM_PreventInformationLeaks(void)
  19 {
  20         prvm_prog_t *prog = CLVM_prog;
  21         if(!cl.csqc_loaded)
  22                 return;
  23         CSQC_BEGIN
  24                 VM_ClearTraceGlobals(prog);
  25                 PRVM_clientglobalfloat(trace_networkentity) = 0;
  26         CSQC_END
  27 }
  28
  29 //[515]: these are required funcs
  30 static const char *cl_required_func[] =
  31 {
  32         "CSQC_Init",
  33         "CSQC_InputEvent",
  34         "CSQC_UpdateView",
  35         "CSQC_ConsoleCommand",
  36 };
  37
  38 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  39
  40 #define CL_REQFIELDS (sizeof(cl_reqfields) / sizeof(prvm_required_field_t))
  41
  42 prvm_required_field_t cl_reqfields[] =
  43 {
  44 #define PRVM_DECLARE_serverglobalfloat(x)
  45 #define PRVM_DECLARE_serverglobalvector(x)
  46 #define PRVM_DECLARE_serverglobalstring(x)
  47 #define PRVM_DECLARE_serverglobaledict(x)
  48 #define PRVM_DECLARE_serverglobalfunction(x)
  49 #define PRVM_DECLARE_clientglobalfloat(x)
  50 #define PRVM_DECLARE_clientglobalvector(x)
  51 #define PRVM_DECLARE_clientglobalstring(x)
  52 #define PRVM_DECLARE_clientglobaledict(x)
  53 #define PRVM_DECLARE_clientglobalfunction(x)
  54 #define PRVM_DECLARE_menuglobalfloat(x)
  55 #define PRVM_DECLARE_menuglobalvector(x)
  56 #define PRVM_DECLARE_menuglobalstring(x)
  57 #define PRVM_DECLARE_menuglobaledict(x)
  58 #define PRVM_DECLARE_menuglobalfunction(x)
  59 #define PRVM_DECLARE_serverfieldfloat(x)
  60 #define PRVM_DECLARE_serverfieldvector(x)
  61 #define PRVM_DECLARE_serverfieldstring(x)
  62 #define PRVM_DECLARE_serverfieldedict(x)
  63 #define PRVM_DECLARE_serverfieldfunction(x)
  64 #define PRVM_DECLARE_clientfieldfloat(x) {ev_float, #x },
  65 #define PRVM_DECLARE_clientfieldvector(x) {ev_vector, #x },
  66 #define PRVM_DECLARE_clientfieldstring(x) {ev_string, #x },
  67 #define PRVM_DECLARE_clientfieldedict(x) {ev_entity, #x },
  68 #define PRVM_DECLARE_clientfieldfunction(x) {ev_function, #x },
  69 #define PRVM_DECLARE_menufieldfloat(x)
  70 #define PRVM_DECLARE_menufieldvector(x)
  71 #define PRVM_DECLARE_menufieldstring(x)
  72 #define PRVM_DECLARE_menufieldedict(x)
  73 #define PRVM_DECLARE_menufieldfunction(x)
  74 #define PRVM_DECLARE_serverfunction(x)
  75 #define PRVM_DECLARE_clientfunction(x)
  76 #define PRVM_DECLARE_menufunction(x)
  77 #define PRVM_DECLARE_field(x)
  78 #define PRVM_DECLARE_global(x)
  79 #define PRVM_DECLARE_function(x)
  80 #include "prvm_offsets.h"
  81 #undef PRVM_DECLARE_serverglobalfloat
  82 #undef PRVM_DECLARE_serverglobalvector
  83 #undef PRVM_DECLARE_serverglobalstring
  84 #undef PRVM_DECLARE_serverglobaledict
  85 #undef PRVM_DECLARE_serverglobalfunction
  86 #undef PRVM_DECLARE_clientglobalfloat
  87 #undef PRVM_DECLARE_clientglobalvector
  88 #undef PRVM_DECLARE_clientglobalstring
  89 #undef PRVM_DECLARE_clientglobaledict
  90 #undef PRVM_DECLARE_clientglobalfunction
  91 #undef PRVM_DECLARE_menuglobalfloat
  92 #undef PRVM_DECLARE_menuglobalvector
  93 #undef PRVM_DECLARE_menuglobalstring
  94 #undef PRVM_DECLARE_menuglobaledict
  95 #undef PRVM_DECLARE_menuglobalfunction
  96 #undef PRVM_DECLARE_serverfieldfloat
  97 #undef PRVM_DECLARE_serverfieldvector
  98 #undef PRVM_DECLARE_serverfieldstring
  99 #undef PRVM_DECLARE_serverfieldedict
 100 #undef PRVM_DECLARE_serverfieldfunction
 101 #undef PRVM_DECLARE_clientfieldfloat
 102 #undef PRVM_DECLARE_clientfieldvector
 103 #undef PRVM_DECLARE_clientfieldstring
 104 #undef PRVM_DECLARE_clientfieldedict
 105 #undef PRVM_DECLARE_clientfieldfunction
 106 #undef PRVM_DECLARE_menufieldfloat
 107 #undef PRVM_DECLARE_menufieldvector
 108 #undef PRVM_DECLARE_menufieldstring
 109 #undef PRVM_DECLARE_menufieldedict
 110 #undef PRVM_DECLARE_menufieldfunction
 111 #undef PRVM_DECLARE_serverfunction
 112 #undef PRVM_DECLARE_clientfunction
 113 #undef PRVM_DECLARE_menufunction
 114 #undef PRVM_DECLARE_field
 115 #undef PRVM_DECLARE_global
 116 #undef PRVM_DECLARE_function
 117 };
 118
 119 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
 120
 121 prvm_required_field_t cl_reqglobals[] =
 122 {
 123 #define PRVM_DECLARE_serverglobalfloat(x)
 124 #define PRVM_DECLARE_serverglobalvector(x)
 125 #define PRVM_DECLARE_serverglobalstring(x)
 126 #define PRVM_DECLARE_serverglobaledict(x)
 127 #define PRVM_DECLARE_serverglobalfunction(x)
 128 #define PRVM_DECLARE_clientglobalfloat(x) {ev_float, #x},
 129 #define PRVM_DECLARE_clientglobalvector(x) {ev_vector, #x},
 130 #define PRVM_DECLARE_clientglobalstring(x) {ev_string, #x},
 131 #define PRVM_DECLARE_clientglobaledict(x) {ev_entity, #x},
 132 #define PRVM_DECLARE_clientglobalfunction(x) {ev_function, #x},
 133 #define PRVM_DECLARE_menuglobalfloat(x)
 134 #define PRVM_DECLARE_menuglobalvector(x)
 135 #define PRVM_DECLARE_menuglobalstring(x)
 136 #define PRVM_DECLARE_menuglobaledict(x)
 137 #define PRVM_DECLARE_menuglobalfunction(x)
 138 #define PRVM_DECLARE_serverfieldfloat(x)
 139 #define PRVM_DECLARE_serverfieldvector(x)
 140 #define PRVM_DECLARE_serverfieldstring(x)
 141 #define PRVM_DECLARE_serverfieldedict(x)
 142 #define PRVM_DECLARE_serverfieldfunction(x)
 143 #define PRVM_DECLARE_clientfieldfloat(x)
 144 #define PRVM_DECLARE_clientfieldvector(x)
 145 #define PRVM_DECLARE_clientfieldstring(x)
 146 #define PRVM_DECLARE_clientfieldedict(x)
 147 #define PRVM_DECLARE_clientfieldfunction(x)
 148 #define PRVM_DECLARE_menufieldfloat(x)
 149 #define PRVM_DECLARE_menufieldvector(x)
 150 #define PRVM_DECLARE_menufieldstring(x)
 151 #define PRVM_DECLARE_menufieldedict(x)
 152 #define PRVM_DECLARE_menufieldfunction(x)
 153 #define PRVM_DECLARE_serverfunction(x)
 154 #define PRVM_DECLARE_clientfunction(x)
 155 #define PRVM_DECLARE_menufunction(x)
 156 #define PRVM_DECLARE_field(x)
 157 #define PRVM_DECLARE_global(x)
 158 #define PRVM_DECLARE_function(x)
 159 #include "prvm_offsets.h"
 160 #undef PRVM_DECLARE_serverglobalfloat
 161 #undef PRVM_DECLARE_serverglobalvector
 162 #undef PRVM_DECLARE_serverglobalstring
 163 #undef PRVM_DECLARE_serverglobaledict
 164 #undef PRVM_DECLARE_serverglobalfunction
 165 #undef PRVM_DECLARE_clientglobalfloat
 166 #undef PRVM_DECLARE_clientglobalvector
 167 #undef PRVM_DECLARE_clientglobalstring
 168 #undef PRVM_DECLARE_clientglobaledict
 169 #undef PRVM_DECLARE_clientglobalfunction
 170 #undef PRVM_DECLARE_menuglobalfloat
 171 #undef PRVM_DECLARE_menuglobalvector
 172 #undef PRVM_DECLARE_menuglobalstring
 173 #undef PRVM_DECLARE_menuglobaledict
 174 #undef PRVM_DECLARE_menuglobalfunction
 175 #undef PRVM_DECLARE_serverfieldfloat
 176 #undef PRVM_DECLARE_serverfieldvector
 177 #undef PRVM_DECLARE_serverfieldstring
 178 #undef PRVM_DECLARE_serverfieldedict
 179 #undef PRVM_DECLARE_serverfieldfunction
 180 #undef PRVM_DECLARE_clientfieldfloat
 181 #undef PRVM_DECLARE_clientfieldvector
 182 #undef PRVM_DECLARE_clientfieldstring
 183 #undef PRVM_DECLARE_clientfieldedict
 184 #undef PRVM_DECLARE_clientfieldfunction
 185 #undef PRVM_DECLARE_menufieldfloat
 186 #undef PRVM_DECLARE_menufieldvector
 187 #undef PRVM_DECLARE_menufieldstring
 188 #undef PRVM_DECLARE_menufieldedict
 189 #undef PRVM_DECLARE_menufieldfunction
 190 #undef PRVM_DECLARE_serverfunction
 191 #undef PRVM_DECLARE_clientfunction
 192 #undef PRVM_DECLARE_menufunction
 193 #undef PRVM_DECLARE_field
 194 #undef PRVM_DECLARE_global
 195 #undef PRVM_DECLARE_function
 196 };
 197
 198 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
 199 {
 200         prvm_prog_t *prog = CLVM_prog;
 201         if(cl.csqc_loaded)
 202         {
 203                 CSQC_BEGIN
 204                 PRVM_clientglobalfloat(dmg_take) = dmg_take;
 205                 PRVM_clientglobalfloat(dmg_save) = dmg_save;
 206                 VectorCopy(dmg_origin, PRVM_clientglobalvector(dmg_origin));
 207                 CSQC_END
 208         }
 209 }
 210
 211 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
 212 {
 213         prvm_prog_t *prog = CLVM_prog;
 214         if(!cl.csqc_loaded)
 215                 return;
 216         CSQC_BEGIN
 217         PRVM_clientglobalfloat(servertime) = newtime;
 218         PRVM_clientglobalfloat(serverprevtime) = oldtime;
 219         PRVM_clientglobalfloat(serverdeltatime) = newtime - oldtime;
 220         CSQC_END
 221 }
 222
 223 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
 224 static void CSQC_SetGlobals (double frametime)
 225 {
 226         vec3_t pmove_org;
 227         prvm_prog_t *prog = CLVM_prog;
 228         CSQC_BEGIN
 229                 PRVM_clientglobalfloat(time) = cl.time;
 230                 PRVM_clientglobalfloat(cltime) = realtime; // Spike named it that way.
 231                 PRVM_clientglobalfloat(frametime) = frametime;
 232                 PRVM_clientglobalfloat(servercommandframe) = cls.servermovesequence;
 233                 PRVM_clientglobalfloat(clientcommandframe) = cl.movecmd[0].sequence;
 234                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(input_angles));
 235                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
 236                 PRVM_clientglobalfloat(input_buttons) = cl.movecmd[0].buttons;
 237                 VectorSet(PRVM_clientglobalvector(input_movevalues), cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
 238                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
 239                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
 240
 241                 // LordHavoc: Spike says not to do this, but without pmove_org the
 242                 // CSQC is useless as it can't alter the view origin without
 243                 // completely replacing it
 244                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, pmove_org);
 245                 VectorCopy(pmove_org, PRVM_clientglobalvector(pmove_org));
 246                 VectorCopy(cl.movement_velocity, PRVM_clientglobalvector(pmove_vel));
 247                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
 248                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
 249
 250                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
 251                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
 252                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
 253                 PRVM_clientglobalfloat(maxclients) = cl.maxclients;
 254
 255                 PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
 256
 257                 CSQC_R_RecalcView();
 258         CSQC_END
 259 }
 260
 261 void CSQC_Predraw (prvm_edict_t *ed)
 262 {
 263         prvm_prog_t *prog = CLVM_prog;
 264         int b;
 265         if(!PRVM_clientedictfunction(ed, predraw))
 266                 return;
 267         b = PRVM_clientglobaledict(self);
 268         PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 269         prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, predraw), "CSQC_Predraw: NULL function\n");
 270         PRVM_clientglobaledict(self) = b;
 271 }
 272
 273 void CSQC_Think (prvm_edict_t *ed)
 274 {
 275         prvm_prog_t *prog = CLVM_prog;
 276         int b;
 277         if(PRVM_clientedictfunction(ed, think))
 278         if(PRVM_clientedictfloat(ed, nextthink) && PRVM_clientedictfloat(ed, nextthink) <= PRVM_clientglobalfloat(time))
 279         {
 280                 PRVM_clientedictfloat(ed, nextthink) = 0;
 281                 b = PRVM_clientglobaledict(self);
 282                 PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 283                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, think), "CSQC_Think: NULL function\n");
 284                 PRVM_clientglobaledict(self) = b;
 285         }
 286 }
 287
 288 extern cvar_t cl_noplayershadow;
 289 extern cvar_t r_equalize_entities_fullbright;
 290 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 291 {
 292         prvm_prog_t *prog = CLVM_prog;
 293         int renderflags;
 294         int c;
 295         float scale;
 296         entity_render_t *entrender;
 297         dp_model_t *model;
 298
 299         model = CL_GetModelFromEdict(ed);
 300         if (!model)
 301                 return false;
 302
 303         if (edictnum)
 304         {
 305                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 306                         return false;
 307                 entrender = cl.csqcrenderentities + edictnum;
 308                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 309                 entrender->entitynumber = edictnum + MAX_EDICTS;
 310                 //entrender->shadertime = 0; // shadertime was set by spawn()
 311                 entrender->flags = 0;
 312                 entrender->effects = 0;
 313                 entrender->alpha = 1;
 314                 entrender->scale = 1;
 315                 VectorSet(entrender->colormod, 1, 1, 1);
 316                 VectorSet(entrender->glowmod, 1, 1, 1);
 317                 entrender->allowdecals = true;
 318         }
 319         else
 320         {
 321                 entrender = CL_NewTempEntity(0);
 322                 if (!entrender)
 323                         return false;
 324         }
 325
 326         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
 327         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
 328         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
 329         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
 330
 331         entrender->model = model;
 332         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
 333         entrender->effects |= entrender->model->effects;
 334         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
 335         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
 336         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
 337         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
 338         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
 339         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
 340         if (!entrender->alpha)
 341                 entrender->alpha = 1.0f;
 342         if (!entrender->scale)
 343                 entrender->scale = scale = 1.0f;
 344         if (!VectorLength2(entrender->colormod))
 345                 VectorSet(entrender->colormod, 1, 1, 1);
 346         if (!VectorLength2(entrender->glowmod))
 347                 VectorSet(entrender->glowmod, 1, 1, 1);
 348
 349         // LadyHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 350         // this also sets the custommodellight_origin for us
 351         CL_GetTagMatrix(prog, &entrender->matrix, ed, 0, entrender->custommodellight_origin);
 352
 353         // set up the animation data
 354         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
 355         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, cl.time);
 356         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
 357         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
 358                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
 359
 360         // transparent offset
 361         if (renderflags & RF_USETRANSPARENTOFFSET)
 362                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
 363
 364         // model light
 365         if (renderflags & RF_MODELLIGHT)
 366         {
 367                 if (PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->custommodellight_ambient); else VectorClear(entrender->custommodellight_ambient);
 368                 if (PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->custommodellight_diffuse); else VectorClear(entrender->custommodellight_diffuse);
 369                 if (PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->custommodellight_lightdir);    else VectorClear(entrender->custommodellight_lightdir);
 370                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
 371         }
 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_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
 378                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
 379                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
 380                 if(renderflags & RF_DYNAMICMODELLIGHT) entrender->flags |= RENDER_DYNAMICMODELLIGHT;
 381         }
 382
 383         c = (int)PRVM_clientedictfloat(ed, colormap);
 384         if (c <= 0)
 385                 CL_SetEntityColormapColors(entrender, -1);
 386         else if (c <= cl.maxclients && cl.scores != NULL)
 387                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 388         else
 389                 CL_SetEntityColormapColors(entrender, c);
 390
 391         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 392         // either fullbright or lit
 393         if(!r_fullbright.integer)
 394         {
 395                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 396                         entrender->flags |= RENDER_LIGHT;
 397                 else if(r_equalize_entities_fullbright.integer)
 398                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 399         }
 400         // hide player shadow during intermission or nehahra movie
 401         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 402          &&  (entrender->alpha >= 1)
 403          && !(renderflags & RF_NOSHADOW)
 404          && !(entrender->flags & RENDER_VIEWMODEL)
 405          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 406                 entrender->flags |= RENDER_SHADOW;
 407         if (entrender->flags & RENDER_VIEWMODEL)
 408                 entrender->flags |= RENDER_NOSELFSHADOW;
 409         if (entrender->effects & EF_NOSELFSHADOW)
 410                 entrender->flags |= RENDER_NOSELFSHADOW;
 411         if (entrender->effects & EF_NODEPTHTEST)
 412                 entrender->flags |= RENDER_NODEPTHTEST;
 413         if (entrender->effects & EF_ADDITIVE)
 414                 entrender->flags |= RENDER_ADDITIVE;
 415         if (entrender->effects & EF_DOUBLESIDED)
 416                 entrender->flags |= RENDER_DOUBLESIDED;
 417         if (entrender->effects & EF_DYNAMICMODELLIGHT)
 418                 entrender->flags |= RENDER_DYNAMICMODELLIGHT;
 419
 420         // make the other useful stuff
 421         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 422         CL_UpdateRenderEntity(entrender);
 423
 424         // override animation data with full control
 425         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 426         if (ed->priv.server->skeleton.relativetransforms)
 427                 entrender->skeleton = &ed->priv.server->skeleton;
 428         else
 429                 entrender->skeleton = NULL;
 430
 431         return true;
 432 }
 433
 434 // 0 = keydown, key, character (EXT_CSQC)
 435 // 1 = keyup, key, character (EXT_CSQC)
 436 // 2 = mousemove relative, x, y (EXT_CSQC)
 437 // 3 = mousemove absolute, x, y (DP_CSQC)
 438 qboolean CL_VM_InputEvent (int eventtype, float x, float y)
 439 {
 440         prvm_prog_t *prog = CLVM_prog;
 441         qboolean r;
 442
 443         if(!cl.csqc_loaded)
 444                 return false;
 445
 446         CSQC_BEGIN
 447                 if (!PRVM_clientfunction(CSQC_InputEvent))
 448                         r = false;
 449                 else
 450                 {
 451                         PRVM_clientglobalfloat(time) = cl.time;
 452                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 453                         PRVM_G_FLOAT(OFS_PARM0) = eventtype;
 454                         PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
 455                         PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
 456                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
 457                         r = CSQC_RETURNVAL != 0;
 458                 }
 459         CSQC_END
 460         return r;
 461 }
 462
 463 extern r_refdef_view_t csqc_original_r_refdef_view;
 464 extern r_refdef_view_t csqc_main_r_refdef_view;
 465 qboolean CL_VM_UpdateView (double frametime)
 466 {
 467         prvm_prog_t *prog = CLVM_prog;
 468         vec3_t emptyvector;
 469         emptyvector[0] = 0;
 470         emptyvector[1] = 0;
 471         emptyvector[2] = 0;
 472 //      vec3_t oldangles;
 473         if(!cl.csqc_loaded)
 474                 return false;
 475         R_TimeReport("pre-UpdateView");
 476         CSQC_BEGIN
 477                 r_refdef.view.ismain = true;
 478                 csqc_original_r_refdef_view = r_refdef.view;
 479                 csqc_main_r_refdef_view = r_refdef.view;
 480                 //VectorCopy(cl.viewangles, oldangles);
 481                 PRVM_clientglobalfloat(time) = cl.time;
 482                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 483                 CSQC_SetGlobals(frametime);
 484                 // clear renderable entity and light lists to prevent crashes if the
 485                 // CSQC_UpdateView function does not call R_ClearScene as it should
 486                 r_refdef.scene.numentities = 0;
 487                 r_refdef.scene.numlights = 0;
 488                 // pass in width and height as parameters (EXT_CSQC_1)
 489                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 490                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 491                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 492                 //VectorCopy(oldangles, cl.viewangles);
 493                 // Dresk : Reset Dmg Globals Here
 494                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 495                 r_refdef.view = csqc_main_r_refdef_view;
 496                 R_RenderView_UpdateViewVectors(); // we have to do this, as we undid the scene render doing this for us
 497         CSQC_END
 498
 499         R_TimeReport("UpdateView");
 500         return true;
 501 }
 502
 503 qboolean CL_VM_ConsoleCommand (const char *cmd)
 504 {
 505         prvm_prog_t *prog = CLVM_prog;
 506         int restorevm_tempstringsbuf_cursize;
 507         qboolean r = false;
 508         if(!cl.csqc_loaded)
 509                 return false;
 510         CSQC_BEGIN
 511         if (PRVM_clientfunction(CSQC_ConsoleCommand))
 512         {
 513                 PRVM_clientglobalfloat(time) = cl.time;
 514                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 515                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 516                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, cmd);
 517                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
 518                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 519                 r = CSQC_RETURNVAL != 0;
 520         }
 521         CSQC_END
 522         return r;
 523 }
 524
 525 qboolean CL_VM_Parse_TempEntity (void)
 526 {
 527         prvm_prog_t *prog = CLVM_prog;
 528         int                     t;
 529         qboolean        r = false;
 530         if(!cl.csqc_loaded)
 531                 return false;
 532         CSQC_BEGIN
 533         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 534         {
 535                 t = cl_message.readcount;
 536                 PRVM_clientglobalfloat(time) = cl.time;
 537                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 538                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 539                 r = CSQC_RETURNVAL != 0;
 540                 if(!r)
 541                 {
 542                         cl_message.readcount = t;
 543                         cl_message.badread = false;
 544                 }
 545         }
 546         CSQC_END
 547         return r;
 548 }
 549
 550 void CL_VM_Parse_StuffCmd (const char *msg)
 551 {
 552         prvm_prog_t *prog = CLVM_prog;
 553         int restorevm_tempstringsbuf_cursize;
 554         if(msg[0] == 'c')
 555         if(msg[1] == 's')
 556         if(msg[2] == 'q')
 557         if(msg[3] == 'c')
 558         {
 559                 // if this is setting a csqc variable, deprotect csqc_progcrc
 560                 // temporarily so that it can be set by the cvar command,
 561                 // and then reprotect it afterwards
 562                 int crcflags = csqc_progcrc.flags;
 563                 int sizeflags = csqc_progcrc.flags;
 564                 csqc_progcrc.flags &= ~CVAR_READONLY;
 565                 csqc_progsize.flags &= ~CVAR_READONLY;
 566                 Cmd_ExecuteString (msg, src_command, true);
 567                 csqc_progcrc.flags = crcflags;
 568                 csqc_progsize.flags = sizeflags;
 569                 return;
 570         }
 571
 572         if(cls.demoplayback)
 573         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 574         {
 575                 // special handling for map download commands
 576                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 577                 // that way, there is no black screen when playing back demos
 578                 // I know this is a really ugly hack, but I can't think of any better way
 579                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 580                 // until all maps are loaded, then remove this hack
 581
 582                 char buf[MAX_INPUTLINE];
 583                 const char *p, *q;
 584                 size_t l;
 585
 586                 p = msg;
 587
 588                 for(;;)
 589                 {
 590                         q = strchr(p, '\n');
 591                         if(q)
 592                                 l = q - p;
 593                         else
 594                                 l = strlen(p);
 595                         if(l > sizeof(buf) - 1)
 596                                 l = sizeof(buf) - 1;
 597                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 598
 599                         Cmd_ExecuteString(buf, src_command, true);
 600
 601                         p += l;
 602                         if(*p == '\n')
 603                                 ++p; // skip the newline and continue
 604                         else
 605                                 break; // end of string or overflow
 606                 }
 607                 Cmd_ExecuteString("curl --clear_autodownload", src_command, true); // don't inhibit CSQC loading
 608                 return;
 609         }
 610
 611         if(!cl.csqc_loaded)
 612         {
 613                 Cbuf_AddText(msg);
 614                 return;
 615         }
 616         CSQC_BEGIN
 617         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 618         {
 619                 PRVM_clientglobalfloat(time) = cl.time;
 620                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 621                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 622                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 623                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 624                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 625         }
 626         else
 627                 Cbuf_AddText(msg);
 628         CSQC_END
 629 }
 630
 631 static void CL_VM_Parse_Print (const char *msg)
 632 {
 633         prvm_prog_t *prog = CLVM_prog;
 634         int restorevm_tempstringsbuf_cursize;
 635         PRVM_clientglobalfloat(time) = cl.time;
 636         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 637         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 638         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 639         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 640         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 641 }
 642
 643 void CSQC_AddPrintText (const char *msg)
 644 {
 645         prvm_prog_t *prog = CLVM_prog;
 646         size_t i;
 647         if(!cl.csqc_loaded)
 648         {
 649                 Con_Print(msg);
 650                 return;
 651         }
 652         CSQC_BEGIN
 653         if(PRVM_clientfunction(CSQC_Parse_Print))
 654         {
 655                 // FIXME: is this bugged?
 656                 i = strlen(msg)-1;
 657                 if(msg[i] != '\n' && msg[i] != '\r')
 658                 {
 659                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 660                         {
 661                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 662                                 cl.csqc_printtextbuf[0] = 0;
 663                         }
 664                         else
 665                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 666                         return;
 667                 }
 668                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 669                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 670                 cl.csqc_printtextbuf[0] = 0;
 671         }
 672         else
 673                 Con_Print(msg);
 674         CSQC_END
 675 }
 676
 677 void CL_VM_Parse_CenterPrint (const char *msg)
 678 {
 679         prvm_prog_t *prog = CLVM_prog;
 680         int restorevm_tempstringsbuf_cursize;
 681         if(!cl.csqc_loaded)
 682         {
 683                 SCR_CenterPrint(msg);
 684                 return;
 685         }
 686         CSQC_BEGIN
 687         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
 688         {
 689                 PRVM_clientglobalfloat(time) = cl.time;
 690                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 691                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 692                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 693                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 694                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 695         }
 696         else
 697                 SCR_CenterPrint(msg);
 698         CSQC_END
 699 }
 700
 701 void CL_VM_UpdateIntermissionState (int intermission)
 702 {
 703         prvm_prog_t *prog = CLVM_prog;
 704         if(cl.csqc_loaded)
 705         {
 706                 CSQC_BEGIN
 707                 PRVM_clientglobalfloat(intermission) = intermission;
 708                 CSQC_END
 709         }
 710 }
 711 void CL_VM_UpdateShowingScoresState (int showingscores)
 712 {
 713         prvm_prog_t *prog = CLVM_prog;
 714         if(cl.csqc_loaded)
 715         {
 716                 CSQC_BEGIN
 717                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 718                 CSQC_END
 719         }
 720 }
 721 qboolean CL_VM_Event_Sound(int sound_num, float fvolume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
 722 {
 723         prvm_prog_t *prog = CLVM_prog;
 724         qboolean r = false;
 725         if(cl.csqc_loaded)
 726         {
 727                 CSQC_BEGIN
 728                 if(PRVM_clientfunction(CSQC_Event_Sound))
 729                 {
 730                         PRVM_clientglobalfloat(time) = cl.time;
 731                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 732                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 733                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
 734                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, cl.sound_name[sound_num] );
 735                         PRVM_G_FLOAT(OFS_PARM3) = fvolume;
 736                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 737                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 738                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
 739                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
 740                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 741                         r = CSQC_RETURNVAL != 0;
 742                 }
 743                 CSQC_END
 744         }
 745
 746         return r;
 747 }
 748 static void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 749 {
 750         prvm_prog_t *prog = CLVM_prog;
 751         // Avoid global names for clean(er) coding
 752         int localcoop;
 753         int localdeathmatch;
 754
 755         if(cl.csqc_loaded)
 756         {
 757                 if(gametype == GAME_COOP)
 758                 {
 759                         localcoop = 1;
 760                         localdeathmatch = 0;
 761                 }
 762                 else
 763                 if(gametype == GAME_DEATHMATCH)
 764                 {
 765                         localcoop = 0;
 766                         localdeathmatch = 1;
 767                 }
 768                 else
 769                 {
 770                         // How did the ServerInfo send an unknown gametype?
 771                         // Better just assign the globals as 0...
 772                         localcoop = 0;
 773                         localdeathmatch = 0;
 774                 }
 775                 CSQC_BEGIN
 776                 PRVM_clientglobalfloat(coop) = localcoop;
 777                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 778                 CSQC_END
 779         }
 780 }
 781 #if 0
 782 static float CL_VM_Event (float event)          //[515]: needed ? I'd say "YES", but don't know for what :D
 783 {
 784         prvm_prog_t *prog = CLVM_prog;
 785         float r = 0;
 786         if(!cl.csqc_loaded)
 787                 return 0;
 788         CSQC_BEGIN
 789         if(PRVM_clientfunction(CSQC_Event))
 790         {
 791                 PRVM_clientglobalfloat(time) = cl.time;
 792                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 793                 PRVM_G_FLOAT(OFS_PARM0) = event;
 794                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 795                 r = CSQC_RETURNVAL;
 796         }
 797         CSQC_END
 798         return r;
 799 }
 800 #endif
 801
 802 void CSQC_ReadEntities (void)
 803 {
 804         prvm_prog_t *prog = CLVM_prog;
 805         unsigned short entnum, oldself, realentnum;
 806         if(!cl.csqc_loaded)
 807         {
 808                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 809                 return;
 810         }
 811
 812         CSQC_BEGIN
 813                 PRVM_clientglobalfloat(time) = cl.time;
 814                 oldself = PRVM_clientglobaledict(self);
 815                 while(1)
 816                 {
 817                         entnum = MSG_ReadShort(&cl_message);
 818                         if(!entnum || cl_message.badread)
 819                                 break;
 820                         realentnum = entnum & 0x7FFF;
 821                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
 822                         if(entnum & 0x8000)
 823                         {
 824                                 if(PRVM_clientglobaledict(self))
 825                                 {
 826                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 827                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 828                                 }
 829                                 else
 830                                 {
 831                                         // LordHavoc: removing an entity that is already gone on
 832                                         // the csqc side is possible for legitimate reasons (such
 833                                         // as a repeat of the remove message), so no warning is
 834                                         // needed
 835                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 836                                 }
 837                         }
 838                         else
 839                         {
 840                                 if(!PRVM_clientglobaledict(self))
 841                                 {
 842                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 843                                         {
 844                                                 prvm_edict_t    *ed;
 845                                                 ed = PRVM_ED_Alloc(prog);
 846                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
 847                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 848                                         }
 849                                         else
 850                                         {
 851                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 852                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 853                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 854                                                 // make sure no one gets wrong ideas
 855                                                 PRVM_clientglobaledict(self) = 0;
 856                                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 857                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 858                                         }
 859                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 860                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 861                                 }
 862                                 else {
 863                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 864                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 865                                 }
 866                         }
 867                 }
 868                 PRVM_clientglobaledict(self) = oldself;
 869         CSQC_END
 870 }
 871
 872 static void CLVM_begin_increase_edicts(prvm_prog_t *prog)
 873 {
 874         // links don't survive the transition, so unlink everything
 875         World_UnlinkAll(&cl.world);
 876 }
 877
 878 static void CLVM_end_increase_edicts(prvm_prog_t *prog)
 879 {
 880         int i;
 881         prvm_edict_t *ent;
 882
 883         // link every entity except world
 884         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 885                 if (!ent->priv.server->free)
 886                         CL_LinkEdict(ent);
 887 }
 888
 889 static void CLVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
 890 {
 891         int edictnum = PRVM_NUM_FOR_EDICT(e);
 892         entity_render_t *entrender;
 893         CL_ExpandCSQCRenderEntities(edictnum);
 894         entrender = cl.csqcrenderentities + edictnum;
 895         e->priv.server->move = false; // don't move on first frame
 896         memset(entrender, 0, sizeof(*entrender));
 897         entrender->shadertime = cl.time;
 898 }
 899
 900 static void CLVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
 901 {
 902         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 903         R_DecalSystem_Reset(&entrender->decalsystem);
 904         memset(entrender, 0, sizeof(*entrender));
 905         World_UnlinkEdict(ed);
 906         memset(ed->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
 907         VM_RemoveEdictSkeleton(prog, ed);
 908         World_Physics_RemoveFromEntity(&cl.world, ed);
 909         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 910 }
 911
 912 static void CLVM_count_edicts(prvm_prog_t *prog)
 913 {
 914         int             i;
 915         prvm_edict_t    *ent;
 916         int             active = 0, models = 0, solid = 0;
 917
 918         for (i=0 ; i<prog->num_edicts ; i++)
 919         {
 920                 ent = PRVM_EDICT_NUM(i);
 921                 if (ent->priv.server->free)
 922                         continue;
 923                 active++;
 924                 if (PRVM_clientedictfloat(ent, solid))
 925                         solid++;
 926                 if (PRVM_clientedictstring(ent, model))
 927                         models++;
 928         }
 929
 930         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 931         Con_Printf("active    :%3i\n", active);
 932         Con_Printf("view      :%3i\n", models);
 933         Con_Printf("touch     :%3i\n", solid);
 934 }
 935
 936 static qboolean CLVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
 937 {
 938         return true;
 939 }
 940
 941 // returns true if the packet is valid, false if end of file is reached
 942 // used for dumping the CSQC download into demo files
 943 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 944 {
 945         int packetsize = buf->maxsize - 7; // byte short long
 946         int npackets = ((int)len + packetsize - 1) / (packetsize);
 947         char vabuf[1024];
 948
 949         if(protocol == PROTOCOL_QUAKEWORLD)
 950                 return false; // CSQC can't run in QW anyway
 951
 952         SZ_Clear(buf);
 953         if(cnt == 0)
 954         {
 955                 MSG_WriteByte(buf, svc_stufftext);
 956                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 957                 return true;
 958         }
 959         else if(cnt >= 1 && cnt <= npackets)
 960         {
 961                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 962                 int thispacketsize = (int)len - thispacketoffset;
 963                 if(thispacketsize > packetsize)
 964                         thispacketsize = packetsize;
 965
 966                 MSG_WriteByte(buf, svc_downloaddata);
 967                 MSG_WriteLong(buf, thispacketoffset);
 968                 MSG_WriteShort(buf, thispacketsize);
 969                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 970
 971                 return true;
 972         }
 973         else if(cnt == npackets + 1)
 974         {
 975                 MSG_WriteByte(buf, svc_stufftext);
 976                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 977                 return true;
 978         }
 979         return false;
 980 }
 981
 982 extern cvar_t csqc_usedemoprogs;
 983 void CL_VM_Init (void)
 984 {
 985         prvm_prog_t *prog = CLVM_prog;
 986         const char* csprogsfn = NULL;
 987         unsigned char *csprogsdata = NULL;
 988         fs_offset_t csprogsdatasize = 0;
 989         int csprogsdatacrc, requiredcrc;
 990         int requiredsize;
 991         char vabuf[1024];
 992
 993         // reset csqc_progcrc after reading it, so that changing servers doesn't
 994         // expect csqc on the next server
 995         requiredcrc = csqc_progcrc.integer;
 996         requiredsize = csqc_progsize.integer;
 997         Cvar_SetValueQuick(&csqc_progcrc, -1);
 998         Cvar_SetValueQuick(&csqc_progsize, -1);
 999
1000         // if the server is not requesting a csprogs, then we're done here
1001         if (requiredcrc < 0)
1002                 return;
1003
1004         // see if the requested csprogs.dat file matches the requested crc
1005         if (!cls.demoplayback || csqc_usedemoprogs.integer)
1006         {
1007                 csprogsfn = va(vabuf, sizeof(vabuf), "dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
1008                 if(cls.caughtcsprogsdata && cls.caughtcsprogsdatasize == requiredsize && CRC_Block(cls.caughtcsprogsdata, (size_t)cls.caughtcsprogsdatasize) == requiredcrc)
1009                 {
1010                         Con_DPrintf("Using buffered \"%s\"\n", csprogsfn);
1011                         csprogsdata = cls.caughtcsprogsdata;
1012                         csprogsdatasize = cls.caughtcsprogsdatasize;
1013                         cls.caughtcsprogsdata = NULL;
1014                         cls.caughtcsprogsdatasize = 0;
1015                 }
1016                 else
1017                 {
1018                         Con_DPrintf("Not using buffered \"%s\" (buffered: %p, %d)\n", csprogsfn, cls.caughtcsprogsdata, (int) cls.caughtcsprogsdatasize);
1019                         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1020                 }
1021         }
1022         if (!csprogsdata)
1023         {
1024                 csprogsfn = csqc_progname.string;
1025                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1026         }
1027         if (csprogsdata)
1028         {
1029                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
1030                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
1031                 {
1032                         if (cls.demoplayback)
1033                         {
1034                                 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);
1035                                 // Mem_Free(csprogsdata);
1036                                 // return;
1037                                 // We WANT to continue here, and play the demo with different csprogs!
1038                                 // After all, this is just a warning. Sure things may go wrong from here.
1039                         }
1040                         else
1041                         {
1042                                 Mem_Free(csprogsdata);
1043                                 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);
1044                                 CL_Disconnect();
1045                                 return;
1046                         }
1047                 }
1048         }
1049         else
1050         {
1051                 if (requiredcrc >= 0)
1052                 {
1053                         if (cls.demoplayback)
1054                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1055                         else
1056                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1057                         CL_Disconnect();
1058                 }
1059                 return;
1060         }
1061
1062         PRVM_Prog_Init(prog);
1063
1064         // allocate the mempools
1065         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1066         prog->edictprivate_size = 0; // no private struct used
1067         prog->name = "client";
1068         prog->num_edicts = 1;
1069         prog->max_edicts = 512;
1070         prog->limit_edicts = CL_MAX_EDICTS;
1071         prog->reserved_edicts = 0;
1072         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1073         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1074         prog->extensionstring = vm_sv_extensions;
1075         prog->builtins = vm_cl_builtins;
1076         prog->numbuiltins = vm_cl_numbuiltins;
1077
1078         // all callbacks must be defined (pointers are not checked before calling)
1079         prog->begin_increase_edicts = CLVM_begin_increase_edicts;
1080         prog->end_increase_edicts   = CLVM_end_increase_edicts;
1081         prog->init_edict            = CLVM_init_edict;
1082         prog->free_edict            = CLVM_free_edict;
1083         prog->count_edicts          = CLVM_count_edicts;
1084         prog->load_edict            = CLVM_load_edict;
1085         prog->init_cmd              = CLVM_init_cmd;
1086         prog->reset_cmd             = CLVM_reset_cmd;
1087         prog->error_cmd             = Host_Error;
1088         prog->ExecuteProgram        = CLVM_ExecuteProgram;
1089
1090         PRVM_Prog_Load(prog, csprogsfn, csprogsdata, csprogsdatasize, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1091
1092         if (!prog->loaded)
1093         {
1094                 Host_Error("CSQC %s ^2failed to load\n", csprogsfn);
1095                 if(!sv.active)
1096                         CL_Disconnect();
1097                 Mem_Free(csprogsdata);
1098                 return;
1099         }
1100
1101         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1102
1103         if(cls.demorecording)
1104         {
1105                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1106                 {
1107                         int i;
1108                         static char buf[NET_MAXMESSAGE];
1109                         sizebuf_t sb;
1110                         unsigned char *demobuf; fs_offset_t demofilesize;
1111
1112                         sb.data = (unsigned char *) buf;
1113                         sb.maxsize = sizeof(buf);
1114                         i = 0;
1115
1116                         CL_CutDemo(&demobuf, &demofilesize);
1117                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1118                                 CL_WriteDemoMessage(&sb);
1119                         CL_PasteDemo(&demobuf, &demofilesize);
1120
1121                         cls.demo_lastcsprogssize = csprogsdatasize;
1122                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1123                 }
1124         }
1125         Mem_Free(csprogsdata);
1126
1127         // check if OP_STATE animation is possible in this dat file
1128         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1129                 prog->flag |= PRVM_OP_STATE;
1130
1131         // set time
1132         PRVM_clientglobalfloat(time) = cl.time;
1133         PRVM_clientglobaledict(self) = 0;
1134
1135         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(prog, cl.worldname);
1136         PRVM_clientglobalfloat(player_localnum) = cl.realplayerentity - 1;
1137         PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
1138
1139         // set map description (use world entity 0)
1140         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(prog, cl.worldmessage);
1141         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1142         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1143         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, absmin));
1144         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, absmax));
1145
1146         // call the prog init
1147         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1148
1149         // Once CSQC_Init was called, we consider csqc code fully initialized.
1150         prog->inittime = realtime;
1151
1152         cl.csqc_loaded = true;
1153
1154         cl.csqc_vidvars.drawcrosshair = false;
1155         cl.csqc_vidvars.drawenginesbar = false;
1156
1157         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1158         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1159 }
1160
1161 void CL_VM_ShutDown (void)
1162 {
1163         prvm_prog_t *prog = CLVM_prog;
1164         Cmd_ClearCsqcFuncs();
1165         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1166         //Cvar_SetValueQuick(&csqc_progsize, -1);
1167         if(!cl.csqc_loaded)
1168                 return;
1169         CSQC_BEGIN
1170                 if (prog->loaded)
1171                 {
1172                         PRVM_clientglobalfloat(time) = cl.time;
1173                         PRVM_clientglobaledict(self) = 0;
1174                         if (PRVM_clientfunction(CSQC_Shutdown))
1175                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1176                 }
1177                 PRVM_Prog_Reset(prog);
1178         CSQC_END
1179         Con_DPrint("CSQC ^1unloaded\n");
1180         cl.csqc_loaded = false;
1181 }
1182
1183 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1184 {
1185         prvm_prog_t *prog = CLVM_prog;
1186         prvm_edict_t *ed;
1187         dp_model_t *mod;
1188         matrix4x4_t matrix;
1189         qboolean r = 0;
1190
1191         CSQC_BEGIN;
1192
1193         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1194
1195         if(!ed->priv.required->free)
1196         {
1197                 mod = CL_GetModelFromEdict(ed);
1198                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1199                 if(CL_GetTagMatrix(prog, &matrix, ed, 0, NULL) == 0)
1200                         Matrix4x4_OriginFromMatrix(&matrix, out);
1201                 if (mod && mod->soundfromcenter)
1202                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1203                 r = 1;
1204         }
1205
1206         CSQC_END;
1207
1208         return r;
1209 }
1210
1211 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1212 {
1213         prvm_prog_t *prog = CLVM_prog;
1214         qboolean ret = false;
1215         prvm_edict_t *ed;
1216         vec3_t forward, left, up, origin, ang;
1217         matrix4x4_t mat, matq;
1218
1219         CSQC_BEGIN
1220                 ed = PRVM_EDICT_NUM(entnum);
1221                 // camera:
1222                 //   camera_transform
1223                 if(PRVM_clientedictfunction(ed, camera_transform))
1224                 {
1225                         ret = true;
1226                         if(viewmatrix && clipplane && visorigin)
1227                         {
1228                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1229                                 AnglesFromVectors(ang, forward, up, false);
1230                                 PRVM_clientglobalfloat(time) = cl.time;
1231                                 PRVM_clientglobaledict(self) = entnum;
1232                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1233                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1234                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1235                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1236                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1237                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1238                                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1239                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1240                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1241                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1242                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1243                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1244                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1245                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1246                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1247                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, clipplane->normal_and_dist);
1248                         }
1249                 }
1250         CSQC_END
1251
1252         return ret;
1253 }
1254
1255 int CL_VM_GetViewEntity(void)
1256 {
1257         if(cl.csqc_server2csqcentitynumber[cl.viewentity])
1258                 return cl.csqc_server2csqcentitynumber[cl.viewentity] + MAX_EDICTS;
1259         return cl.viewentity;
1260 }