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(frametime) = frametime;
 231                 PRVM_clientglobalfloat(servercommandframe) = cls.servermovesequence;
 232                 PRVM_clientglobalfloat(clientcommandframe) = cl.movecmd[0].sequence;
 233                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(input_angles));
 234                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
 235                 PRVM_clientglobalfloat(input_buttons) = cl.movecmd[0].buttons;
 236                 VectorSet(PRVM_clientglobalvector(input_movevalues), cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
 237                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
 238                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
 239
 240                 // LordHavoc: Spike says not to do this, but without pmove_org the
 241                 // CSQC is useless as it can't alter the view origin without
 242                 // completely replacing it
 243                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, pmove_org);
 244                 VectorCopy(pmove_org, PRVM_clientglobalvector(pmove_org));
 245                 VectorCopy(cl.movement_velocity, PRVM_clientglobalvector(pmove_vel));
 246                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
 247                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
 248
 249                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
 250                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
 251                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
 252                 PRVM_clientglobalfloat(maxclients) = cl.maxclients;
 253
 254                 PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
 255
 256                 CSQC_R_RecalcView();
 257         CSQC_END
 258 }
 259
 260 void CSQC_Predraw (prvm_edict_t *ed)
 261 {
 262         prvm_prog_t *prog = CLVM_prog;
 263         int b;
 264         if(!PRVM_clientedictfunction(ed, predraw))
 265                 return;
 266         b = PRVM_clientglobaledict(self);
 267         PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 268         prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, predraw), "CSQC_Predraw: NULL function\n");
 269         PRVM_clientglobaledict(self) = b;
 270 }
 271
 272 void CSQC_Think (prvm_edict_t *ed)
 273 {
 274         prvm_prog_t *prog = CLVM_prog;
 275         int b;
 276         if(PRVM_clientedictfunction(ed, think))
 277         if(PRVM_clientedictfloat(ed, nextthink) && PRVM_clientedictfloat(ed, nextthink) <= PRVM_clientglobalfloat(time))
 278         {
 279                 PRVM_clientedictfloat(ed, nextthink) = 0;
 280                 b = PRVM_clientglobaledict(self);
 281                 PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 282                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, think), "CSQC_Think: NULL function\n");
 283                 PRVM_clientglobaledict(self) = b;
 284         }
 285 }
 286
 287 extern cvar_t cl_noplayershadow;
 288 extern cvar_t r_equalize_entities_fullbright;
 289 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 290 {
 291         prvm_prog_t *prog = CLVM_prog;
 292         int renderflags;
 293         int c;
 294         float scale;
 295         entity_render_t *entrender;
 296         dp_model_t *model;
 297
 298         model = CL_GetModelFromEdict(ed);
 299         if (!model)
 300                 return false;
 301
 302         if (edictnum)
 303         {
 304                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 305                         return false;
 306                 entrender = cl.csqcrenderentities + edictnum;
 307                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 308                 entrender->entitynumber = edictnum + MAX_EDICTS;
 309                 //entrender->shadertime = 0; // shadertime was set by spawn()
 310                 entrender->flags = 0;
 311                 entrender->effects = 0;
 312                 entrender->alpha = 1;
 313                 entrender->scale = 1;
 314                 VectorSet(entrender->colormod, 1, 1, 1);
 315                 VectorSet(entrender->glowmod, 1, 1, 1);
 316                 entrender->allowdecals = true;
 317         }
 318         else
 319         {
 320                 entrender = CL_NewTempEntity(0);
 321                 if (!entrender)
 322                         return false;
 323         }
 324
 325         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
 326         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
 327         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
 328         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
 329
 330         entrender->model = model;
 331         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
 332         entrender->effects |= entrender->model->effects;
 333         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
 334         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
 335         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
 336         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
 337         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
 338         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
 339         if (!entrender->alpha)
 340                 entrender->alpha = 1.0f;
 341         if (!entrender->scale)
 342                 entrender->scale = scale = 1.0f;
 343         if (!VectorLength2(entrender->colormod))
 344                 VectorSet(entrender->colormod, 1, 1, 1);
 345         if (!VectorLength2(entrender->glowmod))
 346                 VectorSet(entrender->glowmod, 1, 1, 1);
 347
 348         // LordHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 349         CL_GetTagMatrix(prog, &entrender->matrix, ed, 0);
 350
 351         // set up the animation data
 352         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
 353         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, cl.time);
 354         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
 355         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
 356                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
 357
 358         // transparent offset
 359         if (renderflags & RF_USETRANSPARENTOFFSET)
 360                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
 361
 362         // model light
 363         if (renderflags & RF_MODELLIGHT)
 364         {
 365                 if (PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->modellight_ambient); else VectorClear(entrender->modellight_ambient);
 366                 if (PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->modellight_diffuse); else VectorClear(entrender->modellight_diffuse);
 367                 if (PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->modellight_lightdir);    else VectorClear(entrender->modellight_lightdir);
 368                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
 369         }
 370
 371         if(renderflags)
 372         {
 373                 if(renderflags & RF_VIEWMODEL) entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 374                 if(renderflags & RF_EXTERNALMODEL) entrender->flags |= RENDER_EXTERIORMODEL;
 375                 if(renderflags & RF_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
 376                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
 377                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
 378                 if(renderflags & RF_DYNAMICMODELLIGHT) entrender->flags |= RENDER_DYNAMICMODELLIGHT;
 379         }
 380
 381         c = (int)PRVM_clientedictfloat(ed, colormap);
 382         if (c <= 0)
 383                 CL_SetEntityColormapColors(entrender, -1);
 384         else if (c <= cl.maxclients && cl.scores != NULL)
 385                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 386         else
 387                 CL_SetEntityColormapColors(entrender, c);
 388
 389         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 390         // either fullbright or lit
 391         if(!r_fullbright.integer)
 392         {
 393                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 394                         entrender->flags |= RENDER_LIGHT;
 395                 else if(r_equalize_entities_fullbright.integer)
 396                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 397         }
 398         // hide player shadow during intermission or nehahra movie
 399         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 400          &&  (entrender->alpha >= 1)
 401          && !(renderflags & RF_NOSHADOW)
 402          && !(entrender->flags & RENDER_VIEWMODEL)
 403          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 404                 entrender->flags |= RENDER_SHADOW;
 405         if (entrender->flags & RENDER_VIEWMODEL)
 406                 entrender->flags |= RENDER_NOSELFSHADOW;
 407         if (entrender->effects & EF_NOSELFSHADOW)
 408                 entrender->flags |= RENDER_NOSELFSHADOW;
 409         if (entrender->effects & EF_NODEPTHTEST)
 410                 entrender->flags |= RENDER_NODEPTHTEST;
 411         if (entrender->effects & EF_ADDITIVE)
 412                 entrender->flags |= RENDER_ADDITIVE;
 413         if (entrender->effects & EF_DOUBLESIDED)
 414                 entrender->flags |= RENDER_DOUBLESIDED;
 415         if (entrender->effects & EF_DYNAMICMODELLIGHT)
 416                 entrender->flags |= RENDER_DYNAMICMODELLIGHT;
 417
 418         // make the other useful stuff
 419         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 420         CL_UpdateRenderEntity(entrender);
 421
 422         // override animation data with full control
 423         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 424         if (ed->priv.server->skeleton.relativetransforms)
 425                 entrender->skeleton = &ed->priv.server->skeleton;
 426         else
 427                 entrender->skeleton = NULL;
 428
 429         return true;
 430 }
 431
 432 // 0 = keydown, key, character (EXT_CSQC)
 433 // 1 = keyup, key, character (EXT_CSQC)
 434 // 2 = mousemove relative, x, y (EXT_CSQC)
 435 // 3 = mousemove absolute, x, y (DP_CSQC)
 436 qboolean CL_VM_InputEvent (int eventtype, int x, int y)
 437 {
 438         prvm_prog_t *prog = CLVM_prog;
 439         qboolean r;
 440
 441         if(!cl.csqc_loaded)
 442                 return false;
 443
 444         CSQC_BEGIN
 445                 if (!PRVM_clientfunction(CSQC_InputEvent))
 446                         r = false;
 447                 else
 448                 {
 449                         PRVM_clientglobalfloat(time) = cl.time;
 450                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 451                         PRVM_G_FLOAT(OFS_PARM0) = eventtype;
 452                         PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
 453                         PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
 454                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
 455                         r = CSQC_RETURNVAL != 0;
 456                 }
 457         CSQC_END
 458         return r;
 459 }
 460
 461 extern r_refdef_view_t csqc_original_r_refdef_view;
 462 extern r_refdef_view_t csqc_main_r_refdef_view;
 463 qboolean CL_VM_UpdateView (double frametime)
 464 {
 465         prvm_prog_t *prog = CLVM_prog;
 466         vec3_t emptyvector;
 467         emptyvector[0] = 0;
 468         emptyvector[1] = 0;
 469         emptyvector[2] = 0;
 470 //      vec3_t oldangles;
 471         if(!cl.csqc_loaded)
 472                 return false;
 473         R_TimeReport("pre-UpdateView");
 474         CSQC_BEGIN
 475                 r_refdef.view.ismain = true;
 476                 csqc_original_r_refdef_view = r_refdef.view;
 477                 csqc_main_r_refdef_view = r_refdef.view;
 478                 //VectorCopy(cl.viewangles, oldangles);
 479                 PRVM_clientglobalfloat(time) = cl.time;
 480                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 481                 CSQC_SetGlobals(frametime);
 482                 // clear renderable entity and light lists to prevent crashes if the
 483                 // CSQC_UpdateView function does not call R_ClearScene as it should
 484                 r_refdef.scene.numentities = 0;
 485                 r_refdef.scene.numlights = 0;
 486                 // pass in width and height as parameters (EXT_CSQC_1)
 487                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 488                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 489                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 490                 //VectorCopy(oldangles, cl.viewangles);
 491                 // Dresk : Reset Dmg Globals Here
 492                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 493                 r_refdef.view = csqc_main_r_refdef_view;
 494                 R_RenderView_UpdateViewVectors(); // we have to do this, as we undid the scene render doing this for us
 495         CSQC_END
 496
 497         R_TimeReport("UpdateView");
 498         return true;
 499 }
 500
 501 qboolean CL_VM_ConsoleCommand (const char *cmd)
 502 {
 503         prvm_prog_t *prog = CLVM_prog;
 504         int restorevm_tempstringsbuf_cursize;
 505         qboolean r = false;
 506         if(!cl.csqc_loaded)
 507                 return false;
 508         CSQC_BEGIN
 509         if (PRVM_clientfunction(CSQC_ConsoleCommand))
 510         {
 511                 PRVM_clientglobalfloat(time) = cl.time;
 512                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 513                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 514                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, cmd);
 515                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
 516                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 517                 r = CSQC_RETURNVAL != 0;
 518         }
 519         CSQC_END
 520         return r;
 521 }
 522
 523 qboolean CL_VM_Parse_TempEntity (void)
 524 {
 525         prvm_prog_t *prog = CLVM_prog;
 526         int                     t;
 527         qboolean        r = false;
 528         if(!cl.csqc_loaded)
 529                 return false;
 530         CSQC_BEGIN
 531         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 532         {
 533                 t = cl_message.readcount;
 534                 PRVM_clientglobalfloat(time) = cl.time;
 535                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 536                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 537                 r = CSQC_RETURNVAL != 0;
 538                 if(!r)
 539                 {
 540                         cl_message.readcount = t;
 541                         cl_message.badread = false;
 542                 }
 543         }
 544         CSQC_END
 545         return r;
 546 }
 547
 548 void CL_VM_Parse_StuffCmd (const char *msg)
 549 {
 550         prvm_prog_t *prog = CLVM_prog;
 551         int restorevm_tempstringsbuf_cursize;
 552         if(msg[0] == 'c')
 553         if(msg[1] == 's')
 554         if(msg[2] == 'q')
 555         if(msg[3] == 'c')
 556         {
 557                 // if this is setting a csqc variable, deprotect csqc_progcrc
 558                 // temporarily so that it can be set by the cvar command,
 559                 // and then reprotect it afterwards
 560                 int crcflags = csqc_progcrc.flags;
 561                 int sizeflags = csqc_progcrc.flags;
 562                 csqc_progcrc.flags &= ~CVAR_READONLY;
 563                 csqc_progsize.flags &= ~CVAR_READONLY;
 564                 Cmd_ExecuteString (msg, src_command, true);
 565                 csqc_progcrc.flags = crcflags;
 566                 csqc_progsize.flags = sizeflags;
 567                 return;
 568         }
 569
 570         if(cls.demoplayback)
 571         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 572         {
 573                 // special handling for map download commands
 574                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 575                 // that way, there is no black screen when playing back demos
 576                 // I know this is a really ugly hack, but I can't think of any better way
 577                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 578                 // until all maps are loaded, then remove this hack
 579
 580                 char buf[MAX_INPUTLINE];
 581                 const char *p, *q;
 582                 size_t l;
 583
 584                 p = msg;
 585
 586                 for(;;)
 587                 {
 588                         q = strchr(p, '\n');
 589                         if(q)
 590                                 l = q - p;
 591                         else
 592                                 l = strlen(p);
 593                         if(l > sizeof(buf) - 1)
 594                                 l = sizeof(buf) - 1;
 595                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 596
 597                         Cmd_ExecuteString(buf, src_command, true);
 598
 599                         p += l;
 600                         if(*p == '\n')
 601                                 ++p; // skip the newline and continue
 602                         else
 603                                 break; // end of string or overflow
 604                 }
 605                 Cmd_ExecuteString("curl --clear_autodownload", src_command, true); // don't inhibit CSQC loading
 606                 return;
 607         }
 608
 609         if(!cl.csqc_loaded)
 610         {
 611                 Cbuf_AddText(msg);
 612                 return;
 613         }
 614         CSQC_BEGIN
 615         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 616         {
 617                 PRVM_clientglobalfloat(time) = cl.time;
 618                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 619                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 620                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 621                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 622                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 623         }
 624         else
 625                 Cbuf_AddText(msg);
 626         CSQC_END
 627 }
 628
 629 static void CL_VM_Parse_Print (const char *msg)
 630 {
 631         prvm_prog_t *prog = CLVM_prog;
 632         int restorevm_tempstringsbuf_cursize;
 633         PRVM_clientglobalfloat(time) = cl.time;
 634         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 635         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 636         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 637         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 638         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 639 }
 640
 641 void CSQC_AddPrintText (const char *msg)
 642 {
 643         prvm_prog_t *prog = CLVM_prog;
 644         size_t i;
 645         if(!cl.csqc_loaded)
 646         {
 647                 Con_Print(msg);
 648                 return;
 649         }
 650         CSQC_BEGIN
 651         if(PRVM_clientfunction(CSQC_Parse_Print))
 652         {
 653                 // FIXME: is this bugged?
 654                 i = strlen(msg)-1;
 655                 if(msg[i] != '\n' && msg[i] != '\r')
 656                 {
 657                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 658                         {
 659                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 660                                 cl.csqc_printtextbuf[0] = 0;
 661                         }
 662                         else
 663                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 664                         return;
 665                 }
 666                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 667                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 668                 cl.csqc_printtextbuf[0] = 0;
 669         }
 670         else
 671                 Con_Print(msg);
 672         CSQC_END
 673 }
 674
 675 void CL_VM_Parse_CenterPrint (const char *msg)
 676 {
 677         prvm_prog_t *prog = CLVM_prog;
 678         int restorevm_tempstringsbuf_cursize;
 679         if(!cl.csqc_loaded)
 680         {
 681                 SCR_CenterPrint(msg);
 682                 return;
 683         }
 684         CSQC_BEGIN
 685         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
 686         {
 687                 PRVM_clientglobalfloat(time) = cl.time;
 688                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 689                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 690                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 691                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 692                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 693         }
 694         else
 695                 SCR_CenterPrint(msg);
 696         CSQC_END
 697 }
 698
 699 void CL_VM_UpdateIntermissionState (int intermission)
 700 {
 701         prvm_prog_t *prog = CLVM_prog;
 702         if(cl.csqc_loaded)
 703         {
 704                 CSQC_BEGIN
 705                 PRVM_clientglobalfloat(intermission) = intermission;
 706                 CSQC_END
 707         }
 708 }
 709 void CL_VM_UpdateShowingScoresState (int showingscores)
 710 {
 711         prvm_prog_t *prog = CLVM_prog;
 712         if(cl.csqc_loaded)
 713         {
 714                 CSQC_BEGIN
 715                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 716                 CSQC_END
 717         }
 718 }
 719 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
 720 {
 721         prvm_prog_t *prog = CLVM_prog;
 722         qboolean r = false;
 723         if(cl.csqc_loaded)
 724         {
 725                 CSQC_BEGIN
 726                 if(PRVM_clientfunction(CSQC_Event_Sound))
 727                 {
 728                         PRVM_clientglobalfloat(time) = cl.time;
 729                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 730                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 731                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
 732                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, cl.sound_name[sound_num] );
 733                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 734                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 735                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 736                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
 737                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
 738                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 739                         r = CSQC_RETURNVAL != 0;
 740                 }
 741                 CSQC_END
 742         }
 743
 744         return r;
 745 }
 746 static void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 747 {
 748         prvm_prog_t *prog = CLVM_prog;
 749         // Avoid global names for clean(er) coding
 750         int localcoop;
 751         int localdeathmatch;
 752
 753         if(cl.csqc_loaded)
 754         {
 755                 if(gametype == GAME_COOP)
 756                 {
 757                         localcoop = 1;
 758                         localdeathmatch = 0;
 759                 }
 760                 else
 761                 if(gametype == GAME_DEATHMATCH)
 762                 {
 763                         localcoop = 0;
 764                         localdeathmatch = 1;
 765                 }
 766                 else
 767                 {
 768                         // How did the ServerInfo send an unknown gametype?
 769                         // Better just assign the globals as 0...
 770                         localcoop = 0;
 771                         localdeathmatch = 0;
 772                 }
 773                 CSQC_BEGIN
 774                 PRVM_clientglobalfloat(coop) = localcoop;
 775                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 776                 CSQC_END
 777         }
 778 }
 779 #if 0
 780 static float CL_VM_Event (float event)          //[515]: needed ? I'd say "YES", but don't know for what :D
 781 {
 782         prvm_prog_t *prog = CLVM_prog;
 783         float r = 0;
 784         if(!cl.csqc_loaded)
 785                 return 0;
 786         CSQC_BEGIN
 787         if(PRVM_clientfunction(CSQC_Event))
 788         {
 789                 PRVM_clientglobalfloat(time) = cl.time;
 790                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 791                 PRVM_G_FLOAT(OFS_PARM0) = event;
 792                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 793                 r = CSQC_RETURNVAL;
 794         }
 795         CSQC_END
 796         return r;
 797 }
 798 #endif
 799
 800 void CSQC_ReadEntities (void)
 801 {
 802         prvm_prog_t *prog = CLVM_prog;
 803         unsigned short entnum, oldself, realentnum;
 804         if(!cl.csqc_loaded)
 805         {
 806                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 807                 return;
 808         }
 809
 810         CSQC_BEGIN
 811                 PRVM_clientglobalfloat(time) = cl.time;
 812                 oldself = PRVM_clientglobaledict(self);
 813                 while(1)
 814                 {
 815                         entnum = MSG_ReadShort(&cl_message);
 816                         if(!entnum || cl_message.badread)
 817                                 break;
 818                         realentnum = entnum & 0x7FFF;
 819                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
 820                         if(entnum & 0x8000)
 821                         {
 822                                 if(PRVM_clientglobaledict(self))
 823                                 {
 824                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 825                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 826                                 }
 827                                 else
 828                                 {
 829                                         // LordHavoc: removing an entity that is already gone on
 830                                         // the csqc side is possible for legitimate reasons (such
 831                                         // as a repeat of the remove message), so no warning is
 832                                         // needed
 833                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 834                                 }
 835                         }
 836                         else
 837                         {
 838                                 if(!PRVM_clientglobaledict(self))
 839                                 {
 840                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 841                                         {
 842                                                 prvm_edict_t    *ed;
 843                                                 ed = PRVM_ED_Alloc(prog);
 844                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
 845                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 846                                         }
 847                                         else
 848                                         {
 849                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 850                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 851                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 852                                                 // make sure no one gets wrong ideas
 853                                                 PRVM_clientglobaledict(self) = 0;
 854                                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 855                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 856                                         }
 857                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 858                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 859                                 }
 860                                 else {
 861                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 862                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 863                                 }
 864                         }
 865                 }
 866                 PRVM_clientglobaledict(self) = oldself;
 867         CSQC_END
 868 }
 869
 870 static void CLVM_begin_increase_edicts(prvm_prog_t *prog)
 871 {
 872         // links don't survive the transition, so unlink everything
 873         World_UnlinkAll(&cl.world);
 874 }
 875
 876 static void CLVM_end_increase_edicts(prvm_prog_t *prog)
 877 {
 878         int i;
 879         prvm_edict_t *ent;
 880
 881         // link every entity except world
 882         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 883                 if (!ent->priv.server->free)
 884                         CL_LinkEdict(ent);
 885 }
 886
 887 static void CLVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
 888 {
 889         int edictnum = PRVM_NUM_FOR_EDICT(e);
 890         entity_render_t *entrender;
 891         CL_ExpandCSQCRenderEntities(edictnum);
 892         entrender = cl.csqcrenderentities + edictnum;
 893         e->priv.server->move = false; // don't move on first frame
 894         memset(entrender, 0, sizeof(*entrender));
 895         entrender->shadertime = cl.time;
 896 }
 897
 898 static void CLVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
 899 {
 900         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 901         R_DecalSystem_Reset(&entrender->decalsystem);
 902         memset(entrender, 0, sizeof(*entrender));
 903         World_UnlinkEdict(ed);
 904         memset(ed->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
 905         VM_RemoveEdictSkeleton(prog, ed);
 906         World_Physics_RemoveFromEntity(&cl.world, ed);
 907         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 908 }
 909
 910 static void CLVM_count_edicts(prvm_prog_t *prog)
 911 {
 912         int             i;
 913         prvm_edict_t    *ent;
 914         int             active = 0, models = 0, solid = 0;
 915
 916         for (i=0 ; i<prog->num_edicts ; i++)
 917         {
 918                 ent = PRVM_EDICT_NUM(i);
 919                 if (ent->priv.server->free)
 920                         continue;
 921                 active++;
 922                 if (PRVM_clientedictfloat(ent, solid))
 923                         solid++;
 924                 if (PRVM_clientedictstring(ent, model))
 925                         models++;
 926         }
 927
 928         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 929         Con_Printf("active    :%3i\n", active);
 930         Con_Printf("view      :%3i\n", models);
 931         Con_Printf("touch     :%3i\n", solid);
 932 }
 933
 934 static qboolean CLVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
 935 {
 936         return true;
 937 }
 938
 939 // returns true if the packet is valid, false if end of file is reached
 940 // used for dumping the CSQC download into demo files
 941 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 942 {
 943         int packetsize = buf->maxsize - 7; // byte short long
 944         int npackets = (len + packetsize - 1) / (packetsize);
 945         char vabuf[1024];
 946
 947         if(protocol == PROTOCOL_QUAKEWORLD)
 948                 return false; // CSQC can't run in QW anyway
 949
 950         SZ_Clear(buf);
 951         if(cnt == 0)
 952         {
 953                 MSG_WriteByte(buf, svc_stufftext);
 954                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 955                 return true;
 956         }
 957         else if(cnt >= 1 && cnt <= npackets)
 958         {
 959                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 960                 int thispacketsize = len - thispacketoffset;
 961                 if(thispacketsize > packetsize)
 962                         thispacketsize = packetsize;
 963
 964                 MSG_WriteByte(buf, svc_downloaddata);
 965                 MSG_WriteLong(buf, thispacketoffset);
 966                 MSG_WriteShort(buf, thispacketsize);
 967                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 968
 969                 return true;
 970         }
 971         else if(cnt == npackets + 1)
 972         {
 973                 MSG_WriteByte(buf, svc_stufftext);
 974                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 975                 return true;
 976         }
 977         return false;
 978 }
 979
 980 extern cvar_t csqc_usedemoprogs;
 981 void CL_VM_Init (void)
 982 {
 983         prvm_prog_t *prog = CLVM_prog;
 984         const char* csprogsfn = NULL;
 985         unsigned char *csprogsdata = NULL;
 986         fs_offset_t csprogsdatasize = 0;
 987         int csprogsdatacrc, requiredcrc;
 988         int requiredsize;
 989         char vabuf[1024];
 990
 991         // reset csqc_progcrc after reading it, so that changing servers doesn't
 992         // expect csqc on the next server
 993         requiredcrc = csqc_progcrc.integer;
 994         requiredsize = csqc_progsize.integer;
 995         Cvar_SetValueQuick(&csqc_progcrc, -1);
 996         Cvar_SetValueQuick(&csqc_progsize, -1);
 997
 998         // if the server is not requesting a csprogs, then we're done here
 999         if (requiredcrc < 0)
1000                 return;
1001
1002         // see if the requested csprogs.dat file matches the requested crc
1003         if (!cls.demoplayback || csqc_usedemoprogs.integer)
1004         {
1005                 csprogsfn = va(vabuf, sizeof(vabuf), "dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
1006                 if(cls.caughtcsprogsdata && cls.caughtcsprogsdatasize == requiredsize && CRC_Block(cls.caughtcsprogsdata, (size_t)cls.caughtcsprogsdatasize) == requiredcrc)
1007                 {
1008                         Con_DPrintf("Using buffered \"%s\"\n", csprogsfn);
1009                         csprogsdata = cls.caughtcsprogsdata;
1010                         csprogsdatasize = cls.caughtcsprogsdatasize;
1011                         cls.caughtcsprogsdata = NULL;
1012                         cls.caughtcsprogsdatasize = 0;
1013                 }
1014                 else
1015                 {
1016                         Con_DPrintf("Not using buffered \"%s\" (buffered: %p, %d)\n", csprogsfn, cls.caughtcsprogsdata, (int) cls.caughtcsprogsdatasize);
1017                         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1018                 }
1019         }
1020         if (!csprogsdata)
1021         {
1022                 csprogsfn = csqc_progname.string;
1023                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1024         }
1025         if (csprogsdata)
1026         {
1027                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
1028                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
1029                 {
1030                         if (cls.demoplayback)
1031                         {
1032                                 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);
1033                                 // Mem_Free(csprogsdata);
1034                                 // return;
1035                                 // We WANT to continue here, and play the demo with different csprogs!
1036                                 // After all, this is just a warning. Sure things may go wrong from here.
1037                         }
1038                         else
1039                         {
1040                                 Mem_Free(csprogsdata);
1041                                 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);
1042                                 CL_Disconnect();
1043                                 return;
1044                         }
1045                 }
1046         }
1047         else
1048         {
1049                 if (requiredcrc >= 0)
1050                 {
1051                         if (cls.demoplayback)
1052                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1053                         else
1054                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1055                         CL_Disconnect();
1056                 }
1057                 return;
1058         }
1059
1060         PRVM_Prog_Init(prog);
1061
1062         // allocate the mempools
1063         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1064         prog->edictprivate_size = 0; // no private struct used
1065         prog->name = "client";
1066         prog->num_edicts = 1;
1067         prog->max_edicts = 512;
1068         prog->limit_edicts = CL_MAX_EDICTS;
1069         prog->reserved_edicts = 0;
1070         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1071         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1072         prog->extensionstring = vm_sv_extensions;
1073         prog->builtins = vm_cl_builtins;
1074         prog->numbuiltins = vm_cl_numbuiltins;
1075
1076         // all callbacks must be defined (pointers are not checked before calling)
1077         prog->begin_increase_edicts = CLVM_begin_increase_edicts;
1078         prog->end_increase_edicts   = CLVM_end_increase_edicts;
1079         prog->init_edict            = CLVM_init_edict;
1080         prog->free_edict            = CLVM_free_edict;
1081         prog->count_edicts          = CLVM_count_edicts;
1082         prog->load_edict            = CLVM_load_edict;
1083         prog->init_cmd              = CLVM_init_cmd;
1084         prog->reset_cmd             = CLVM_reset_cmd;
1085         prog->error_cmd             = Host_Error;
1086         prog->ExecuteProgram        = CLVM_ExecuteProgram;
1087
1088         PRVM_Prog_Load(prog, csprogsfn, csprogsdata, csprogsdatasize, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1089
1090         if (!prog->loaded)
1091         {
1092                 Host_Error("CSQC %s ^2failed to load\n", csprogsfn);
1093                 if(!sv.active)
1094                         CL_Disconnect();
1095                 Mem_Free(csprogsdata);
1096                 return;
1097         }
1098
1099         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1100
1101         if(cls.demorecording)
1102         {
1103                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1104                 {
1105                         int i;
1106                         static char buf[NET_MAXMESSAGE];
1107                         sizebuf_t sb;
1108                         unsigned char *demobuf; fs_offset_t demofilesize;
1109
1110                         sb.data = (unsigned char *) buf;
1111                         sb.maxsize = sizeof(buf);
1112                         i = 0;
1113
1114                         CL_CutDemo(&demobuf, &demofilesize);
1115                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1116                                 CL_WriteDemoMessage(&sb);
1117                         CL_PasteDemo(&demobuf, &demofilesize);
1118
1119                         cls.demo_lastcsprogssize = csprogsdatasize;
1120                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1121                 }
1122         }
1123         Mem_Free(csprogsdata);
1124
1125         // check if OP_STATE animation is possible in this dat file
1126         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1127                 prog->flag |= PRVM_OP_STATE;
1128
1129         // set time
1130         PRVM_clientglobalfloat(time) = cl.time;
1131         PRVM_clientglobaledict(self) = 0;
1132
1133         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(prog, cl.worldname);
1134         PRVM_clientglobalfloat(player_localnum) = cl.realplayerentity - 1;
1135         PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
1136
1137         // set map description (use world entity 0)
1138         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(prog, cl.worldmessage);
1139         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1140         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1141
1142         // call the prog init
1143         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1144
1145         cl.csqc_loaded = true;
1146
1147         cl.csqc_vidvars.drawcrosshair = false;
1148         cl.csqc_vidvars.drawenginesbar = false;
1149
1150         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1151         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1152 }
1153
1154 void CL_VM_ShutDown (void)
1155 {
1156         prvm_prog_t *prog = CLVM_prog;
1157         Cmd_ClearCsqcFuncs();
1158         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1159         //Cvar_SetValueQuick(&csqc_progsize, -1);
1160         if(!cl.csqc_loaded)
1161                 return;
1162         CSQC_BEGIN
1163                 if (prog->loaded)
1164                 {
1165                         PRVM_clientglobalfloat(time) = cl.time;
1166                         PRVM_clientglobaledict(self) = 0;
1167                         if (PRVM_clientfunction(CSQC_Shutdown))
1168                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1169                 }
1170                 PRVM_Prog_Reset(prog);
1171         CSQC_END
1172         Con_DPrint("CSQC ^1unloaded\n");
1173         cl.csqc_loaded = false;
1174 }
1175
1176 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1177 {
1178         prvm_prog_t *prog = CLVM_prog;
1179         prvm_edict_t *ed;
1180         dp_model_t *mod;
1181         matrix4x4_t matrix;
1182         qboolean r = 0;
1183
1184         CSQC_BEGIN;
1185
1186         // FIXME consider attachments here!
1187
1188         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1189
1190         if(!ed->priv.required->free)
1191         {
1192                 mod = CL_GetModelFromEdict(ed);
1193                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1194                 if(CL_GetTagMatrix(prog, &matrix, ed, 0) == 0)
1195                         Matrix4x4_OriginFromMatrix(&matrix, out);
1196                 if (mod && mod->soundfromcenter)
1197                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1198                 r = 1;
1199         }
1200
1201         CSQC_END;
1202
1203         return r;
1204 }
1205
1206 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1207 {
1208         prvm_prog_t *prog = CLVM_prog;
1209         qboolean ret = false;
1210         prvm_edict_t *ed;
1211         vec3_t forward, left, up, origin, ang;
1212         matrix4x4_t mat, matq;
1213
1214         CSQC_BEGIN
1215                 ed = PRVM_EDICT_NUM(entnum);
1216                 // camera:
1217                 //   camera_transform
1218                 if(PRVM_clientedictfunction(ed, camera_transform))
1219                 {
1220                         ret = true;
1221                         if(viewmatrix || clipplane || visorigin)
1222                         {
1223                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1224                                 AnglesFromVectors(ang, forward, up, false);
1225                                 PRVM_clientglobalfloat(time) = cl.time;
1226                                 PRVM_clientglobaledict(self) = entnum;
1227                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1228                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1229                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1230                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1231                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1232                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1233                                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1234                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1235                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1236                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1237                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1238                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1239                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1240                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1241                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1242                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1243                         }
1244                 }
1245         CSQC_END
1246
1247         return ret;
1248 }
1249
1250 int CL_VM_GetViewEntity(void)
1251 {
1252         if(cl.csqc_server2csqcentitynumber[cl.viewentity])
1253                 return cl.csqc_server2csqcentitynumber[cl.viewentity] + MAX_EDICTS;
1254         return cl.viewentity;
1255 }