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) = host.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                 // LadyHavoc: 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 qbool 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         model_t *model;
 297         prvm_vec3_t modellight_origin;
 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, modellight_origin);
 352         VectorCopy(modellight_origin, entrender->custommodellight_origin);
 353
 354         // set up the animation data
 355         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
 356         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, cl.time);
 357         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
 358         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
 359                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
 360
 361         // transparent offset
 362         if (renderflags & RF_USETRANSPARENTOFFSET)
 363                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
 364
 365         // model light
 366         if (renderflags & RF_MODELLIGHT)
 367         {
 368                 if (PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->custommodellight_ambient); else VectorClear(entrender->custommodellight_ambient);
 369                 if (PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->custommodellight_diffuse); else VectorClear(entrender->custommodellight_diffuse);
 370                 if (PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->custommodellight_lightdir);    else VectorClear(entrender->custommodellight_lightdir);
 371                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
 372         }
 373
 374         if(renderflags)
 375         {
 376                 if(renderflags & RF_VIEWMODEL) entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 377                 if(renderflags & RF_EXTERNALMODEL) entrender->flags |= RENDER_EXTERIORMODEL;
 378                 if(renderflags & RF_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
 379                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
 380                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
 381                 if(renderflags & RF_DYNAMICMODELLIGHT) entrender->flags |= RENDER_DYNAMICMODELLIGHT;
 382         }
 383
 384         c = (int)PRVM_clientedictfloat(ed, colormap);
 385         if (c <= 0)
 386                 CL_SetEntityColormapColors(entrender, -1);
 387         else if (c <= cl.maxclients && cl.scores != NULL)
 388                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 389         else
 390                 CL_SetEntityColormapColors(entrender, c);
 391
 392         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 393         // either fullbright or lit
 394         if(!r_fullbright.integer)
 395         {
 396                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 397                         entrender->flags |= RENDER_LIGHT;
 398         }
 399         // hide player shadow during intermission or nehahra movie
 400         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 401          &&  (entrender->alpha >= 1)
 402          && !(renderflags & RF_NOSHADOW)
 403          && !(entrender->flags & RENDER_VIEWMODEL)
 404          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 405                 entrender->flags |= RENDER_SHADOW;
 406         if (entrender->flags & RENDER_VIEWMODEL)
 407                 entrender->flags |= RENDER_NOSELFSHADOW;
 408         if (entrender->effects & EF_NOSELFSHADOW)
 409                 entrender->flags |= RENDER_NOSELFSHADOW;
 410         if (entrender->effects & EF_NODEPTHTEST)
 411                 entrender->flags |= RENDER_NODEPTHTEST;
 412         if (entrender->effects & EF_ADDITIVE)
 413                 entrender->flags |= RENDER_ADDITIVE;
 414         if (entrender->effects & EF_DOUBLESIDED)
 415                 entrender->flags |= RENDER_DOUBLESIDED;
 416         if (entrender->effects & EF_DYNAMICMODELLIGHT)
 417                 entrender->flags |= RENDER_DYNAMICMODELLIGHT;
 418
 419         // make the other useful stuff
 420         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 421         CL_UpdateRenderEntity(entrender);
 422
 423         // override animation data with full control
 424         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 425         if (ed->priv.server->skeleton.relativetransforms)
 426                 entrender->skeleton = &ed->priv.server->skeleton;
 427         else
 428                 entrender->skeleton = NULL;
 429
 430         return true;
 431 }
 432
 433 // 0 = keydown, key, character (EXT_CSQC)
 434 // 1 = keyup, key, character (EXT_CSQC)
 435 // 2 = mousemove relative, x, y (EXT_CSQC)
 436 // 3 = mousemove absolute, x, y (DP_CSQC)
 437 qbool CL_VM_InputEvent (int eventtype, float x, float y)
 438 {
 439         prvm_prog_t *prog = CLVM_prog;
 440         qbool r;
 441
 442         if(!cl.csqc_loaded)
 443                 return false;
 444
 445 CSQC_BEGIN
 446         if (!PRVM_clientfunction(CSQC_InputEvent))
 447                 r = false;
 448         else
 449         {
 450                 PRVM_clientglobalfloat(time) = cl.time;
 451                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 452                 PRVM_G_FLOAT(OFS_PARM0) = eventtype;
 453                 PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
 454                 PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
 455                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
 456                 r = CSQC_RETURNVAL != 0;
 457         }
 458 CSQC_END
 459         return r;
 460 }
 461
 462 extern r_refdef_view_t csqc_original_r_refdef_view;
 463 extern r_refdef_view_t csqc_main_r_refdef_view;
 464 qbool CL_VM_UpdateView (double frametime)
 465 {
 466         prvm_prog_t *prog = CLVM_prog;
 467         vec3_t emptyvector;
 468         emptyvector[0] = 0;
 469         emptyvector[1] = 0;
 470         emptyvector[2] = 0;
 471 //      vec3_t oldangles;
 472         if(!cl.csqc_loaded)
 473                 return false;
 474         R_TimeReport("pre-UpdateView");
 475         CSQC_BEGIN
 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                 // polygonbegin without draw2d arg has to guess
 487                 prog->polygonbegin_guess2d = false;
 488                 // free memory for resources that are no longer referenced
 489                 PRVM_GarbageCollection(prog);
 490                 // pass in width and height and menu/focus state as parameters (EXT_CSQC_1)
 491                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 492                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 493                 /*
 494                  * This should be fine for now but FTEQW uses flags for keydest
 495                  * and checks that an array called "eyeoffset" is 0
 496                  *
 497                  * Just a note in case there's compatibility problems later
 498                  */
 499                 PRVM_G_FLOAT(OFS_PARM2) = key_dest == key_game;
 500                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 501                 //VectorCopy(oldangles, cl.viewangles);
 502                 // Dresk : Reset Dmg Globals Here
 503                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 504                 r_refdef.view = csqc_main_r_refdef_view;
 505                 R_RenderView_UpdateViewVectors(); // we have to do this, as we undid the scene render doing this for us
 506         CSQC_END
 507
 508         R_TimeReport("UpdateView");
 509         return true;
 510 }
 511
 512 qbool CL_VM_ConsoleCommand (const char *text)
 513 {
 514         prvm_prog_t *prog = CLVM_prog;
 515         int restorevm_tempstringsbuf_cursize;
 516         qbool r = false;
 517         if(!cl.csqc_loaded)
 518                 return false;
 519         CSQC_BEGIN
 520         if (PRVM_clientfunction(CSQC_ConsoleCommand))
 521         {
 522                 PRVM_clientglobalfloat(time) = cl.time;
 523                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 524                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 525                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, text);
 526                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
 527                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 528                 r = CSQC_RETURNVAL != 0;
 529         }
 530         CSQC_END
 531         return r;
 532 }
 533
 534 qbool CL_VM_Parse_TempEntity (void)
 535 {
 536         prvm_prog_t *prog = CLVM_prog;
 537         int                     t;
 538         qbool   r = false;
 539         if(!cl.csqc_loaded)
 540                 return false;
 541         CSQC_BEGIN
 542         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 543         {
 544                 t = cl_message.readcount;
 545                 PRVM_clientglobalfloat(time) = cl.time;
 546                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 547                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 548                 r = CSQC_RETURNVAL != 0;
 549                 if(!r)
 550                 {
 551                         cl_message.readcount = t;
 552                         cl_message.badread = false;
 553                 }
 554         }
 555         CSQC_END
 556         return r;
 557 }
 558
 559 void CL_VM_Parse_StuffCmd (const char *msg)
 560 {
 561         prvm_prog_t *prog = CLVM_prog;
 562         int restorevm_tempstringsbuf_cursize;
 563         if(msg[0] == 'c')
 564         if(msg[1] == 's')
 565         if(msg[2] == 'q')
 566         if(msg[3] == 'c')
 567         {
 568                 // if this is setting a csqc variable, deprotect csqc_progcrc
 569                 // temporarily so that it can be set by the cvar command,
 570                 // and then reprotect it afterwards
 571                 int crcflags = csqc_progcrc.flags;
 572                 csqc_progcrc.flags &= ~CF_READONLY;
 573                 csqc_progsize.flags &= ~CF_READONLY;
 574                 Cmd_ExecuteString(cmd_client, msg, src_local, true);
 575                 csqc_progcrc.flags = csqc_progsize.flags = crcflags;
 576                 return;
 577         }
 578
 579         if(cls.demoplayback)
 580         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 581         {
 582                 // special handling for map download commands
 583                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 584                 // that way, there is no black screen when playing back demos
 585                 // I know this is a really ugly hack, but I can't think of any better way
 586                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 587                 // until all maps are loaded, then remove this hack
 588
 589                 char buf[MAX_INPUTLINE];
 590                 const char *p, *q;
 591                 size_t l;
 592
 593                 p = msg;
 594
 595                 for(;;)
 596                 {
 597                         q = strchr(p, '\n');
 598                         if(q)
 599                                 l = q - p;
 600                         else
 601                                 l = strlen(p);
 602                         if(l > sizeof(buf) - 1)
 603                                 l = sizeof(buf) - 1;
 604                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 605
 606                         Cmd_ExecuteString(cmd_client, buf, src_local, true);
 607
 608                         p += l;
 609                         if(*p == '\n')
 610                                 ++p; // skip the newline and continue
 611                         else
 612                                 break; // end of string or overflow
 613                 }
 614                 Cmd_ExecuteString(cmd_client, "curl --clear_autodownload", src_local, true); // don't inhibit CSQC loading
 615                 return;
 616         }
 617
 618         if(!cl.csqc_loaded)
 619         {
 620                 Cbuf_AddText(cmd_client, msg);
 621                 return;
 622         }
 623         CSQC_BEGIN
 624         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 625         {
 626                 PRVM_clientglobalfloat(time) = cl.time;
 627                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 628                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 629                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 630                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 631                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 632         }
 633         else
 634                 Cbuf_AddText(cmd_client, msg);
 635         CSQC_END
 636 }
 637
 638 static void CL_VM_Parse_Print (const char *msg)
 639 {
 640         prvm_prog_t *prog = CLVM_prog;
 641         int restorevm_tempstringsbuf_cursize;
 642         PRVM_clientglobalfloat(time) = cl.time;
 643         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 644         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 645         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 646         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 647         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 648 }
 649
 650 void CSQC_AddPrintText (const char *msg)
 651 {
 652         prvm_prog_t *prog = CLVM_prog;
 653         size_t i;
 654         CSQC_BEGIN
 655         if(cl.csqc_loaded && PRVM_clientfunction(CSQC_Parse_Print))
 656         {
 657                 // FIXME: is this bugged?
 658                 i = strlen(msg)-1;
 659                 if(msg[i] != '\n' && msg[i] != '\r')
 660                 {
 661                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 662                         {
 663                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 664                                 cl.csqc_printtextbuf[0] = 0;
 665                         }
 666                         else
 667                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 668                         return;
 669                 }
 670                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 671                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 672                 cl.csqc_printtextbuf[0] = 0;
 673         }
 674         else
 675                 Con_Print(msg);
 676         CSQC_END
 677 }
 678
 679 void CL_VM_Parse_CenterPrint (const char *msg)
 680 {
 681         prvm_prog_t *prog = CLVM_prog;
 682         int restorevm_tempstringsbuf_cursize;
 683         CSQC_BEGIN
 684         if(cl.csqc_loaded && PRVM_clientfunction(CSQC_Parse_CenterPrint))
 685         {
 686                 PRVM_clientglobalfloat(time) = cl.time;
 687                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 688                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 689                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 690                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 691                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 692         }
 693         else
 694                 SCR_CenterPrint(msg);
 695         CSQC_END
 696 }
 697
 698 void CL_VM_UpdateIntermissionState (int intermission)
 699 {
 700         prvm_prog_t *prog = CLVM_prog;
 701         if(cl.csqc_loaded)
 702         {
 703                 CSQC_BEGIN
 704                 PRVM_clientglobalfloat(intermission) = intermission;
 705                 CSQC_END
 706         }
 707 }
 708 void CL_VM_UpdateShowingScoresState (int showingscores)
 709 {
 710         prvm_prog_t *prog = CLVM_prog;
 711         if(cl.csqc_loaded)
 712         {
 713                 CSQC_BEGIN
 714                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 715                 CSQC_END
 716         }
 717 }
 718 qbool CL_VM_Event_Sound(int sound_num, float fvolume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
 719 {
 720         prvm_prog_t *prog = CLVM_prog;
 721         qbool r = false;
 722         if(cl.csqc_loaded)
 723         {
 724                 CSQC_BEGIN
 725                 if(PRVM_clientfunction(CSQC_Event_Sound))
 726                 {
 727                         PRVM_clientglobalfloat(time) = cl.time;
 728                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 729                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 730                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
 731                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, cl.sound_name[sound_num] );
 732                         PRVM_G_FLOAT(OFS_PARM3) = fvolume;
 733                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 734                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 735                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
 736                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
 737                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 738                         r = CSQC_RETURNVAL != 0;
 739                 }
 740                 CSQC_END
 741         }
 742
 743         return r;
 744 }
 745 static void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 746 {
 747         prvm_prog_t *prog = CLVM_prog;
 748         // Avoid global names for clean(er) coding
 749         int localcoop;
 750         int localdeathmatch;
 751
 752         if(cl.csqc_loaded)
 753         {
 754                 if(gametype == GAME_COOP)
 755                 {
 756                         localcoop = 1;
 757                         localdeathmatch = 0;
 758                 }
 759                 else
 760                 if(gametype == GAME_DEATHMATCH)
 761                 {
 762                         localcoop = 0;
 763                         localdeathmatch = 1;
 764                 }
 765                 else
 766                 {
 767                         // How did the ServerInfo send an unknown gametype?
 768                         // Better just assign the globals as 0...
 769                         localcoop = 0;
 770                         localdeathmatch = 0;
 771                 }
 772                 CSQC_BEGIN
 773                 PRVM_clientglobalfloat(coop) = localcoop;
 774                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 775                 CSQC_END
 776         }
 777 }
 778 #if 0
 779 static float CL_VM_Event (float event)          //[515]: needed ? I'd say "YES", but don't know for what :D
 780 {
 781         prvm_prog_t *prog = CLVM_prog;
 782         float r = 0;
 783         if(!cl.csqc_loaded)
 784                 return 0;
 785         CSQC_BEGIN
 786         if(PRVM_clientfunction(CSQC_Event))
 787         {
 788                 PRVM_clientglobalfloat(time) = cl.time;
 789                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 790                 PRVM_G_FLOAT(OFS_PARM0) = event;
 791                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 792                 r = CSQC_RETURNVAL;
 793         }
 794         CSQC_END
 795         return r;
 796 }
 797 #endif
 798
 799 void CSQC_ReadEntities (void)
 800 {
 801         prvm_prog_t *prog = CLVM_prog;
 802         unsigned short entnum, oldself, realentnum;
 803         if(!cl.csqc_loaded)
 804         {
 805                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 806                 return;
 807         }
 808
 809         CSQC_BEGIN
 810                 PRVM_clientglobalfloat(time) = cl.time;
 811                 oldself = PRVM_clientglobaledict(self);
 812                 while(1)
 813                 {
 814                         entnum = MSG_ReadShort(&cl_message);
 815                         if(!entnum || cl_message.badread)
 816                                 break;
 817                         realentnum = entnum & 0x7FFF;
 818                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
 819                         if(entnum & 0x8000)
 820                         {
 821                                 if(PRVM_clientglobaledict(self))
 822                                 {
 823                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 824                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 825                                 }
 826                                 else
 827                                 {
 828                                         // LadyHavoc: removing an entity that is already gone on
 829                                         // the csqc side is possible for legitimate reasons (such
 830                                         // as a repeat of the remove message), so no warning is
 831                                         // needed
 832                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 833                                 }
 834                         }
 835                         else
 836                         {
 837                                 if(!PRVM_clientglobaledict(self))
 838                                 {
 839                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 840                                         {
 841                                                 prvm_edict_t    *ed;
 842                                                 ed = PRVM_ED_Alloc(prog);
 843                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
 844                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 845                                         }
 846                                         else
 847                                         {
 848                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 849                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 850                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 851                                                 // make sure no one gets wrong ideas
 852                                                 PRVM_clientglobaledict(self) = 0;
 853                                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 854                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 855                                         }
 856                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 857                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 858                                 }
 859                                 else {
 860                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 861                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 862                                 }
 863                         }
 864                 }
 865                 PRVM_clientglobaledict(self) = oldself;
 866         CSQC_END
 867 }
 868
 869 static void CLVM_begin_increase_edicts(prvm_prog_t *prog)
 870 {
 871         // links don't survive the transition, so unlink everything
 872         World_UnlinkAll(&cl.world);
 873 }
 874
 875 static void CLVM_end_increase_edicts(prvm_prog_t *prog)
 876 {
 877         int i;
 878         prvm_edict_t *ent;
 879
 880         // link every entity except world
 881         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 882                 if (!ent->priv.server->free && !VectorCompare(PRVM_clientedictvector(ent, absmin), PRVM_clientedictvector(ent, absmax)))
 883                         CL_LinkEdict(ent);
 884 }
 885
 886 static void CLVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
 887 {
 888         int edictnum = PRVM_NUM_FOR_EDICT(e);
 889         entity_render_t *entrender;
 890         CL_ExpandCSQCRenderEntities(edictnum);
 891         entrender = cl.csqcrenderentities + edictnum;
 892         e->priv.server->move = false; // don't move on first frame
 893         memset(entrender, 0, sizeof(*entrender));
 894         entrender->shadertime = cl.time;
 895 }
 896
 897 static void CLVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
 898 {
 899         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 900         R_DecalSystem_Reset(&entrender->decalsystem);
 901         memset(entrender, 0, sizeof(*entrender));
 902         World_UnlinkEdict(ed);
 903         memset(ed->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
 904         VM_RemoveEdictSkeleton(prog, ed);
 905         World_Physics_RemoveFromEntity(&cl.world, ed);
 906         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 907 }
 908
 909 static void CLVM_count_edicts(prvm_prog_t *prog)
 910 {
 911         int             i;
 912         prvm_edict_t    *ent;
 913         int             active = 0, models = 0, solid = 0;
 914
 915         for (i=0 ; i<prog->num_edicts ; i++)
 916         {
 917                 ent = PRVM_EDICT_NUM(i);
 918                 if (ent->priv.server->free)
 919                         continue;
 920                 active++;
 921                 if (PRVM_clientedictfloat(ent, solid))
 922                         solid++;
 923                 if (PRVM_clientedictstring(ent, model))
 924                         models++;
 925         }
 926
 927         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 928         Con_Printf("active    :%3i\n", active);
 929         Con_Printf("view      :%3i\n", models);
 930         Con_Printf("touch     :%3i\n", solid);
 931 }
 932
 933 static qbool CLVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
 934 {
 935         return true;
 936 }
 937
 938 // returns true if the packet is valid, false if end of file is reached
 939 // used for dumping the CSQC download into demo files
 940 qbool MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 941 {
 942         int packetsize = buf->maxsize - 7; // byte short long
 943         int npackets = ((int)len + packetsize - 1) / (packetsize);
 944         char vabuf[1024];
 945
 946         if(protocol == PROTOCOL_QUAKEWORLD)
 947                 return false; // CSQC can't run in QW anyway
 948
 949         SZ_Clear(buf);
 950         if(cnt == 0)
 951         {
 952                 MSG_WriteByte(buf, svc_stufftext);
 953                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 954                 return true;
 955         }
 956         else if(cnt >= 1 && cnt <= npackets)
 957         {
 958                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 959                 int thispacketsize = (int)len - thispacketoffset;
 960                 if(thispacketsize > packetsize)
 961                         thispacketsize = packetsize;
 962
 963                 MSG_WriteByte(buf, svc_downloaddata);
 964                 MSG_WriteLong(buf, thispacketoffset);
 965                 MSG_WriteShort(buf, thispacketsize);
 966                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 967
 968                 return true;
 969         }
 970         else if(cnt == npackets + 1)
 971         {
 972                 MSG_WriteByte(buf, svc_stufftext);
 973                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 974                 return true;
 975         }
 976         return false;
 977 }
 978
 979 extern cvar_t csqc_usedemoprogs;
 980 void CL_VM_Init (void)
 981 {
 982         prvm_prog_t *prog = CLVM_prog;
 983         const char* csprogsfn = NULL;
 984         unsigned char *csprogsdata = NULL;
 985         fs_offset_t csprogsdatasize = 0;
 986         int csprogsdatacrc, requiredcrc;
 987         int requiredsize;
 988         char vabuf[1024];
 989
 990         // reset csqc_progcrc after reading it, so that changing servers doesn't
 991         // expect csqc on the next server
 992         requiredcrc = csqc_progcrc.integer;
 993         requiredsize = csqc_progsize.integer;
 994         Cvar_SetValueQuick(&csqc_progcrc, -1);
 995         Cvar_SetValueQuick(&csqc_progsize, -1);
 996
 997         // if the server is not requesting a csprogs, then we're done here
 998         if (requiredcrc < 0)
 999                 return;
1000
1001         // see if the requested csprogs.dat file matches the requested crc
1002         if (!cls.demoplayback || csqc_usedemoprogs.integer)
1003         {
1004                 csprogsfn = va(vabuf, sizeof(vabuf), "dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
1005                 if(cls.caughtcsprogsdata && cls.caughtcsprogsdatasize == requiredsize && CRC_Block(cls.caughtcsprogsdata, (size_t)cls.caughtcsprogsdatasize) == requiredcrc)
1006                 {
1007                         Con_DPrintf("Using buffered \"%s\"\n", csprogsfn);
1008                         csprogsdata = cls.caughtcsprogsdata;
1009                         csprogsdatasize = cls.caughtcsprogsdatasize;
1010                         cls.caughtcsprogsdata = NULL;
1011                         cls.caughtcsprogsdatasize = 0;
1012                 }
1013                 else
1014                 {
1015                         Con_DPrintf("Not using buffered \"%s\" (buffered: %p, %d)\n", csprogsfn, (void *)cls.caughtcsprogsdata, (int) cls.caughtcsprogsdatasize);
1016                         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1017                 }
1018         }
1019         if (!csprogsdata)
1020         {
1021                 csprogsfn = csqc_progname.string;
1022                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1023         }
1024         if (csprogsdata)
1025         {
1026                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
1027                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
1028                 {
1029                         if (cls.demoplayback)
1030                         {
1031                                 Con_Printf(CON_WARN "Warning: 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);
1032                                 // Mem_Free(csprogsdata);
1033                                 // return;
1034                                 // We WANT to continue here, and play the demo with different csprogs!
1035                                 // After all, this is just a warning. Sure things may go wrong from here.
1036                         }
1037                         else
1038                         {
1039                                 Mem_Free(csprogsdata);
1040                                 Con_Printf(CON_ERROR "Your %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);
1041                                 CL_Disconnect();
1042                                 return;
1043                         }
1044                 }
1045         }
1046         else
1047         {
1048                 if (requiredcrc >= 0)
1049                 {
1050                         if (cls.demoplayback)
1051                                 Con_Printf(CON_ERROR "CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1052                         else
1053                                 Con_Printf(CON_ERROR "CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1054                         CL_Disconnect();
1055                 }
1056                 return;
1057         }
1058
1059         PRVM_Prog_Init(prog, cmd_client);
1060
1061         // allocate the mempools
1062         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1063         prog->edictprivate_size = 0; // no private struct used
1064         prog->name = "client";
1065         prog->num_edicts = 1;
1066         prog->max_edicts = 512;
1067         prog->limit_edicts = CL_MAX_EDICTS;
1068         prog->reserved_edicts = 0;
1069         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1070         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1071         prog->extensionstring = vm_sv_extensions;
1072         prog->builtins = vm_cl_builtins;
1073         prog->numbuiltins = vm_cl_numbuiltins;
1074
1075         // all callbacks must be defined (pointers are not checked before calling)
1076         prog->begin_increase_edicts = CLVM_begin_increase_edicts;
1077         prog->end_increase_edicts   = CLVM_end_increase_edicts;
1078         prog->init_edict            = CLVM_init_edict;
1079         prog->free_edict            = CLVM_free_edict;
1080         prog->count_edicts          = CLVM_count_edicts;
1081         prog->load_edict            = CLVM_load_edict;
1082         prog->init_cmd              = CLVM_init_cmd;
1083         prog->reset_cmd             = CLVM_reset_cmd;
1084         prog->error_cmd             = Host_Error;
1085         prog->ExecuteProgram        = CLVM_ExecuteProgram;
1086
1087         PRVM_Prog_Load(prog, csprogsfn, csprogsdata, csprogsdatasize, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1088
1089         if (!prog->loaded)
1090         {
1091                 Host_Error("CSQC %s failed to load\n", csprogsfn);
1092                 if(!sv.active)
1093                         CL_Disconnect();
1094                 Mem_Free(csprogsdata);
1095                 return;
1096         }
1097
1098         if(cls.demorecording)
1099         {
1100                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1101                 {
1102                         int i;
1103                         static char buf[NET_MAXMESSAGE];
1104                         sizebuf_t sb;
1105                         unsigned char *demobuf; fs_offset_t demofilesize;
1106
1107                         sb.data = (unsigned char *) buf;
1108                         sb.maxsize = sizeof(buf);
1109                         i = 0;
1110
1111                         CL_CutDemo(&demobuf, &demofilesize);
1112                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1113                                 CL_WriteDemoMessage(&sb);
1114                         CL_PasteDemo(&demobuf, &demofilesize);
1115
1116                         cls.demo_lastcsprogssize = csprogsdatasize;
1117                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1118                 }
1119         }
1120         Mem_Free(csprogsdata);
1121
1122         // check if OP_STATE animation is possible in this dat file
1123         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1124                 prog->flag |= PRVM_OP_STATE;
1125
1126         // set time
1127         PRVM_clientglobalfloat(time) = cl.time;
1128         PRVM_clientglobaledict(self) = 0;
1129
1130         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(prog, cl.worldname);
1131         PRVM_clientglobalfloat(player_localnum) = cl.realplayerentity - 1;
1132         PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
1133
1134         // set map description (use world entity 0)
1135         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(prog, cl.worldmessage);
1136         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1137         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1138         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, absmin));
1139         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, absmax));
1140
1141         // call the prog init
1142         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1143
1144         // Once CSQC_Init was called, we consider csqc code fully initialized.
1145         prog->inittime = host.realtime;
1146
1147         cl.csqc_loaded = true;
1148
1149         cl.csqc_vidvars.drawcrosshair = false;
1150         cl.csqc_vidvars.drawenginesbar = false;
1151
1152         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1153         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1154 }
1155
1156 void CL_VM_ShutDown (void)
1157 {
1158         prvm_prog_t *prog = CLVM_prog;
1159         Cmd_ClearCSQCCommands(cmd_client);
1160         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1161         //Cvar_SetValueQuick(&csqc_progsize, -1);
1162         if(!cl.csqc_loaded)
1163                 return;
1164 CSQC_BEGIN
1165         if (prog->loaded)
1166         {
1167                 PRVM_clientglobalfloat(time) = cl.time;
1168                 PRVM_clientglobaledict(self) = 0;
1169                 if (PRVM_clientfunction(CSQC_Shutdown))
1170                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1171         }
1172         PRVM_Prog_Reset(prog);
1173 CSQC_END
1174         Con_DPrint("CSQC ^1unloaded\n");
1175         cl.csqc_loaded = false;
1176 }
1177
1178 qbool CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1179 {
1180         prvm_prog_t *prog = CLVM_prog;
1181         prvm_edict_t *ed;
1182         model_t *mod;
1183         matrix4x4_t matrix;
1184         qbool r = 0;
1185
1186         CSQC_BEGIN;
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, NULL) == 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 qbool CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1207 {
1208         prvm_prog_t *prog = CLVM_prog;
1209         qbool 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_and_dist);
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 }