csprogs.c

   1 #include "quakedef.h"
   2 #include "progsvm.h"
   3 #include "clprogdefs.h"
   4 #include "csprogs.h"
   5 #include "cl_collision.h"
   6 #include "snd_main.h"
   7 #include "clvm_cmds.h"
   8 #include "prvm_cmds.h"
   9
  10 //============================================================================
  11 // Client prog handling
  12 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
  13
  14 #define CSQC_RETURNVAL  prog->globals.fp[OFS_RETURN]
  15 #define CSQC_BEGIN
  16 #define CSQC_END
  17
  18 void CL_VM_PreventInformationLeaks(void)
  19 {
  20         prvm_prog_t *prog = CLVM_prog;
  21         if(!cl.csqc_loaded)
  22                 return;
  23         CSQC_BEGIN
  24                 VM_ClearTraceGlobals(prog);
  25                 PRVM_clientglobalfloat(trace_networkentity) = 0;
  26         CSQC_END
  27 }
  28
  29 //[515]: these are required funcs
  30 static const char *cl_required_func[] =
  31 {
  32         "CSQC_Init",
  33         "CSQC_InputEvent",
  34         "CSQC_UpdateView",
  35         "CSQC_ConsoleCommand",
  36 };
  37
  38 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  39
  40 #define CL_REQFIELDS (sizeof(cl_reqfields) / sizeof(prvm_required_field_t))
  41
  42 prvm_required_field_t cl_reqfields[] =
  43 {
  44 #define PRVM_DECLARE_serverglobalfloat(x)
  45 #define PRVM_DECLARE_serverglobalvector(x)
  46 #define PRVM_DECLARE_serverglobalstring(x)
  47 #define PRVM_DECLARE_serverglobaledict(x)
  48 #define PRVM_DECLARE_serverglobalfunction(x)
  49 #define PRVM_DECLARE_clientglobalfloat(x)
  50 #define PRVM_DECLARE_clientglobalvector(x)
  51 #define PRVM_DECLARE_clientglobalstring(x)
  52 #define PRVM_DECLARE_clientglobaledict(x)
  53 #define PRVM_DECLARE_clientglobalfunction(x)
  54 #define PRVM_DECLARE_menuglobalfloat(x)
  55 #define PRVM_DECLARE_menuglobalvector(x)
  56 #define PRVM_DECLARE_menuglobalstring(x)
  57 #define PRVM_DECLARE_menuglobaledict(x)
  58 #define PRVM_DECLARE_menuglobalfunction(x)
  59 #define PRVM_DECLARE_serverfieldfloat(x)
  60 #define PRVM_DECLARE_serverfieldvector(x)
  61 #define PRVM_DECLARE_serverfieldstring(x)
  62 #define PRVM_DECLARE_serverfieldedict(x)
  63 #define PRVM_DECLARE_serverfieldfunction(x)
  64 #define PRVM_DECLARE_clientfieldfloat(x) {ev_float, #x },
  65 #define PRVM_DECLARE_clientfieldvector(x) {ev_vector, #x },
  66 #define PRVM_DECLARE_clientfieldstring(x) {ev_string, #x },
  67 #define PRVM_DECLARE_clientfieldedict(x) {ev_entity, #x },
  68 #define PRVM_DECLARE_clientfieldfunction(x) {ev_function, #x },
  69 #define PRVM_DECLARE_menufieldfloat(x)
  70 #define PRVM_DECLARE_menufieldvector(x)
  71 #define PRVM_DECLARE_menufieldstring(x)
  72 #define PRVM_DECLARE_menufieldedict(x)
  73 #define PRVM_DECLARE_menufieldfunction(x)
  74 #define PRVM_DECLARE_serverfunction(x)
  75 #define PRVM_DECLARE_clientfunction(x)
  76 #define PRVM_DECLARE_menufunction(x)
  77 #define PRVM_DECLARE_field(x)
  78 #define PRVM_DECLARE_global(x)
  79 #define PRVM_DECLARE_function(x)
  80 #include "prvm_offsets.h"
  81 #undef PRVM_DECLARE_serverglobalfloat
  82 #undef PRVM_DECLARE_serverglobalvector
  83 #undef PRVM_DECLARE_serverglobalstring
  84 #undef PRVM_DECLARE_serverglobaledict
  85 #undef PRVM_DECLARE_serverglobalfunction
  86 #undef PRVM_DECLARE_clientglobalfloat
  87 #undef PRVM_DECLARE_clientglobalvector
  88 #undef PRVM_DECLARE_clientglobalstring
  89 #undef PRVM_DECLARE_clientglobaledict
  90 #undef PRVM_DECLARE_clientglobalfunction
  91 #undef PRVM_DECLARE_menuglobalfloat
  92 #undef PRVM_DECLARE_menuglobalvector
  93 #undef PRVM_DECLARE_menuglobalstring
  94 #undef PRVM_DECLARE_menuglobaledict
  95 #undef PRVM_DECLARE_menuglobalfunction
  96 #undef PRVM_DECLARE_serverfieldfloat
  97 #undef PRVM_DECLARE_serverfieldvector
  98 #undef PRVM_DECLARE_serverfieldstring
  99 #undef PRVM_DECLARE_serverfieldedict
 100 #undef PRVM_DECLARE_serverfieldfunction
 101 #undef PRVM_DECLARE_clientfieldfloat
 102 #undef PRVM_DECLARE_clientfieldvector
 103 #undef PRVM_DECLARE_clientfieldstring
 104 #undef PRVM_DECLARE_clientfieldedict
 105 #undef PRVM_DECLARE_clientfieldfunction
 106 #undef PRVM_DECLARE_menufieldfloat
 107 #undef PRVM_DECLARE_menufieldvector
 108 #undef PRVM_DECLARE_menufieldstring
 109 #undef PRVM_DECLARE_menufieldedict
 110 #undef PRVM_DECLARE_menufieldfunction
 111 #undef PRVM_DECLARE_serverfunction
 112 #undef PRVM_DECLARE_clientfunction
 113 #undef PRVM_DECLARE_menufunction
 114 #undef PRVM_DECLARE_field
 115 #undef PRVM_DECLARE_global
 116 #undef PRVM_DECLARE_function
 117 };
 118
 119 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
 120
 121 prvm_required_field_t cl_reqglobals[] =
 122 {
 123 #define PRVM_DECLARE_serverglobalfloat(x)
 124 #define PRVM_DECLARE_serverglobalvector(x)
 125 #define PRVM_DECLARE_serverglobalstring(x)
 126 #define PRVM_DECLARE_serverglobaledict(x)
 127 #define PRVM_DECLARE_serverglobalfunction(x)
 128 #define PRVM_DECLARE_clientglobalfloat(x) {ev_float, #x},
 129 #define PRVM_DECLARE_clientglobalvector(x) {ev_vector, #x},
 130 #define PRVM_DECLARE_clientglobalstring(x) {ev_string, #x},
 131 #define PRVM_DECLARE_clientglobaledict(x) {ev_entity, #x},
 132 #define PRVM_DECLARE_clientglobalfunction(x) {ev_function, #x},
 133 #define PRVM_DECLARE_menuglobalfloat(x)
 134 #define PRVM_DECLARE_menuglobalvector(x)
 135 #define PRVM_DECLARE_menuglobalstring(x)
 136 #define PRVM_DECLARE_menuglobaledict(x)
 137 #define PRVM_DECLARE_menuglobalfunction(x)
 138 #define PRVM_DECLARE_serverfieldfloat(x)
 139 #define PRVM_DECLARE_serverfieldvector(x)
 140 #define PRVM_DECLARE_serverfieldstring(x)
 141 #define PRVM_DECLARE_serverfieldedict(x)
 142 #define PRVM_DECLARE_serverfieldfunction(x)
 143 #define PRVM_DECLARE_clientfieldfloat(x)
 144 #define PRVM_DECLARE_clientfieldvector(x)
 145 #define PRVM_DECLARE_clientfieldstring(x)
 146 #define PRVM_DECLARE_clientfieldedict(x)
 147 #define PRVM_DECLARE_clientfieldfunction(x)
 148 #define PRVM_DECLARE_menufieldfloat(x)
 149 #define PRVM_DECLARE_menufieldvector(x)
 150 #define PRVM_DECLARE_menufieldstring(x)
 151 #define PRVM_DECLARE_menufieldedict(x)
 152 #define PRVM_DECLARE_menufieldfunction(x)
 153 #define PRVM_DECLARE_serverfunction(x)
 154 #define PRVM_DECLARE_clientfunction(x)
 155 #define PRVM_DECLARE_menufunction(x)
 156 #define PRVM_DECLARE_field(x)
 157 #define PRVM_DECLARE_global(x)
 158 #define PRVM_DECLARE_function(x)
 159 #include "prvm_offsets.h"
 160 #undef PRVM_DECLARE_serverglobalfloat
 161 #undef PRVM_DECLARE_serverglobalvector
 162 #undef PRVM_DECLARE_serverglobalstring
 163 #undef PRVM_DECLARE_serverglobaledict
 164 #undef PRVM_DECLARE_serverglobalfunction
 165 #undef PRVM_DECLARE_clientglobalfloat
 166 #undef PRVM_DECLARE_clientglobalvector
 167 #undef PRVM_DECLARE_clientglobalstring
 168 #undef PRVM_DECLARE_clientglobaledict
 169 #undef PRVM_DECLARE_clientglobalfunction
 170 #undef PRVM_DECLARE_menuglobalfloat
 171 #undef PRVM_DECLARE_menuglobalvector
 172 #undef PRVM_DECLARE_menuglobalstring
 173 #undef PRVM_DECLARE_menuglobaledict
 174 #undef PRVM_DECLARE_menuglobalfunction
 175 #undef PRVM_DECLARE_serverfieldfloat
 176 #undef PRVM_DECLARE_serverfieldvector
 177 #undef PRVM_DECLARE_serverfieldstring
 178 #undef PRVM_DECLARE_serverfieldedict
 179 #undef PRVM_DECLARE_serverfieldfunction
 180 #undef PRVM_DECLARE_clientfieldfloat
 181 #undef PRVM_DECLARE_clientfieldvector
 182 #undef PRVM_DECLARE_clientfieldstring
 183 #undef PRVM_DECLARE_clientfieldedict
 184 #undef PRVM_DECLARE_clientfieldfunction
 185 #undef PRVM_DECLARE_menufieldfloat
 186 #undef PRVM_DECLARE_menufieldvector
 187 #undef PRVM_DECLARE_menufieldstring
 188 #undef PRVM_DECLARE_menufieldedict
 189 #undef PRVM_DECLARE_menufieldfunction
 190 #undef PRVM_DECLARE_serverfunction
 191 #undef PRVM_DECLARE_clientfunction
 192 #undef PRVM_DECLARE_menufunction
 193 #undef PRVM_DECLARE_field
 194 #undef PRVM_DECLARE_global
 195 #undef PRVM_DECLARE_function
 196 };
 197
 198 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
 199 {
 200         prvm_prog_t *prog = CLVM_prog;
 201         if(cl.csqc_loaded)
 202         {
 203                 CSQC_BEGIN
 204                 PRVM_clientglobalfloat(dmg_take) = dmg_take;
 205                 PRVM_clientglobalfloat(dmg_save) = dmg_save;
 206                 VectorCopy(dmg_origin, PRVM_clientglobalvector(dmg_origin));
 207                 CSQC_END
 208         }
 209 }
 210
 211 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
 212 {
 213         prvm_prog_t *prog = CLVM_prog;
 214         if(!cl.csqc_loaded)
 215                 return;
 216         CSQC_BEGIN
 217         PRVM_clientglobalfloat(servertime) = newtime;
 218         PRVM_clientglobalfloat(serverprevtime) = oldtime;
 219         PRVM_clientglobalfloat(serverdeltatime) = newtime - oldtime;
 220         CSQC_END
 221 }
 222
 223 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
 224 static void CSQC_SetGlobals (double frametime)
 225 {
 226         vec3_t pmove_org;
 227         prvm_prog_t *prog = CLVM_prog;
 228         CSQC_BEGIN
 229                 PRVM_clientglobalfloat(time) = cl.time;
 230                 PRVM_clientglobalfloat(cltime) = realtime; // Spike named it that way.
 231                 PRVM_clientglobalfloat(frametime) = frametime;
 232                 PRVM_clientglobalfloat(servercommandframe) = cls.servermovesequence;
 233                 PRVM_clientglobalfloat(clientcommandframe) = cl.movecmd[0].sequence;
 234                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(input_angles));
 235                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
 236                 PRVM_clientglobalfloat(input_buttons) = cl.movecmd[0].buttons;
 237                 VectorSet(PRVM_clientglobalvector(input_movevalues), cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
 238                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
 239                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
 240
 241                 // LordHavoc: Spike says not to do this, but without pmove_org the
 242                 // CSQC is useless as it can't alter the view origin without
 243                 // completely replacing it
 244                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, pmove_org);
 245                 VectorCopy(pmove_org, PRVM_clientglobalvector(pmove_org));
 246                 VectorCopy(cl.movement_velocity, PRVM_clientglobalvector(pmove_vel));
 247                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
 248                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
 249
 250                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
 251                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
 252                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
 253                 PRVM_clientglobalfloat(maxclients) = cl.maxclients;
 254
 255                 PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
 256
 257                 CSQC_R_RecalcView();
 258         CSQC_END
 259 }
 260
 261 void CSQC_Predraw (prvm_edict_t *ed)
 262 {
 263         prvm_prog_t *prog = CLVM_prog;
 264         int b;
 265         if(!PRVM_clientedictfunction(ed, predraw))
 266                 return;
 267         b = PRVM_clientglobaledict(self);
 268         PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 269         prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, predraw), "CSQC_Predraw: NULL function\n");
 270         PRVM_clientglobaledict(self) = b;
 271 }
 272
 273 void CSQC_Think (prvm_edict_t *ed)
 274 {
 275         prvm_prog_t *prog = CLVM_prog;
 276         int b;
 277         if(PRVM_clientedictfunction(ed, think))
 278         if(PRVM_clientedictfloat(ed, nextthink) && PRVM_clientedictfloat(ed, nextthink) <= PRVM_clientglobalfloat(time))
 279         {
 280                 PRVM_clientedictfloat(ed, nextthink) = 0;
 281                 b = PRVM_clientglobaledict(self);
 282                 PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 283                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, think), "CSQC_Think: NULL function\n");
 284                 PRVM_clientglobaledict(self) = b;
 285         }
 286 }
 287
 288 extern cvar_t cl_noplayershadow;
 289 extern cvar_t r_equalize_entities_fullbright;
 290 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 291 {
 292         prvm_prog_t *prog = CLVM_prog;
 293         int renderflags;
 294         int c;
 295         float scale;
 296         entity_render_t *entrender;
 297         dp_model_t *model;
 298         prvm_vec3_t modellight_origin;
 299
 300         model = CL_GetModelFromEdict(ed);
 301         if (!model)
 302                 return false;
 303
 304         if (edictnum)
 305         {
 306                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 307                         return false;
 308                 entrender = cl.csqcrenderentities + edictnum;
 309                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 310                 entrender->entitynumber = edictnum + MAX_EDICTS;
 311                 //entrender->shadertime = 0; // shadertime was set by spawn()
 312                 entrender->flags = 0;
 313                 entrender->effects = 0;
 314                 entrender->alpha = 1;
 315                 entrender->scale = 1;
 316                 VectorSet(entrender->colormod, 1, 1, 1);
 317                 VectorSet(entrender->glowmod, 1, 1, 1);
 318                 entrender->allowdecals = true;
 319         }
 320         else
 321         {
 322                 entrender = CL_NewTempEntity(0);
 323                 if (!entrender)
 324                         return false;
 325         }
 326
 327         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
 328         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
 329         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
 330         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
 331
 332         entrender->model = model;
 333         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
 334         entrender->effects |= entrender->model->effects;
 335         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
 336         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
 337         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
 338         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
 339         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
 340         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
 341         if (!entrender->alpha)
 342                 entrender->alpha = 1.0f;
 343         if (!entrender->scale)
 344                 entrender->scale = scale = 1.0f;
 345         if (!VectorLength2(entrender->colormod))
 346                 VectorSet(entrender->colormod, 1, 1, 1);
 347         if (!VectorLength2(entrender->glowmod))
 348                 VectorSet(entrender->glowmod, 1, 1, 1);
 349
 350         // LadyHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 351         // this also sets the custommodellight_origin for us
 352         VectorCopy(modellight_origin, entrender->custommodellight_origin);
 353         CL_GetTagMatrix(prog, &entrender->matrix, ed, 0, modellight_origin);
 354
 355         // set up the animation data
 356         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
 357         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, cl.time);
 358         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
 359         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
 360                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
 361
 362         // transparent offset
 363         if (renderflags & RF_USETRANSPARENTOFFSET)
 364                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
 365
 366         // model light
 367         if (renderflags & RF_MODELLIGHT)
 368         {
 369                 if (PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->custommodellight_ambient); else VectorClear(entrender->custommodellight_ambient);
 370                 if (PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->custommodellight_diffuse); else VectorClear(entrender->custommodellight_diffuse);
 371                 if (PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->custommodellight_lightdir);    else VectorClear(entrender->custommodellight_lightdir);
 372                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
 373         }
 374
 375         if(renderflags)
 376         {
 377                 if(renderflags & RF_VIEWMODEL) entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 378                 if(renderflags & RF_EXTERNALMODEL) entrender->flags |= RENDER_EXTERIORMODEL;
 379                 if(renderflags & RF_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
 380                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
 381                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
 382                 if(renderflags & RF_DYNAMICMODELLIGHT) entrender->flags |= RENDER_DYNAMICMODELLIGHT;
 383         }
 384
 385         c = (int)PRVM_clientedictfloat(ed, colormap);
 386         if (c <= 0)
 387                 CL_SetEntityColormapColors(entrender, -1);
 388         else if (c <= cl.maxclients && cl.scores != NULL)
 389                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 390         else
 391                 CL_SetEntityColormapColors(entrender, c);
 392
 393         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 394         // either fullbright or lit
 395         if(!r_fullbright.integer)
 396         {
 397                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 398                         entrender->flags |= RENDER_LIGHT;
 399                 else if(r_equalize_entities_fullbright.integer)
 400                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 401         }
 402         // hide player shadow during intermission or nehahra movie
 403         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 404          &&  (entrender->alpha >= 1)
 405          && !(renderflags & RF_NOSHADOW)
 406          && !(entrender->flags & RENDER_VIEWMODEL)
 407          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 408                 entrender->flags |= RENDER_SHADOW;
 409         if (entrender->flags & RENDER_VIEWMODEL)
 410                 entrender->flags |= RENDER_NOSELFSHADOW;
 411         if (entrender->effects & EF_NOSELFSHADOW)
 412                 entrender->flags |= RENDER_NOSELFSHADOW;
 413         if (entrender->effects & EF_NODEPTHTEST)
 414                 entrender->flags |= RENDER_NODEPTHTEST;
 415         if (entrender->effects & EF_ADDITIVE)
 416                 entrender->flags |= RENDER_ADDITIVE;
 417         if (entrender->effects & EF_DOUBLESIDED)
 418                 entrender->flags |= RENDER_DOUBLESIDED;
 419         if (entrender->effects & EF_DYNAMICMODELLIGHT)
 420                 entrender->flags |= RENDER_DYNAMICMODELLIGHT;
 421
 422         // make the other useful stuff
 423         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 424         CL_UpdateRenderEntity(entrender);
 425
 426         // override animation data with full control
 427         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 428         if (ed->priv.server->skeleton.relativetransforms)
 429                 entrender->skeleton = &ed->priv.server->skeleton;
 430         else
 431                 entrender->skeleton = NULL;
 432
 433         return true;
 434 }
 435
 436 // 0 = keydown, key, character (EXT_CSQC)
 437 // 1 = keyup, key, character (EXT_CSQC)
 438 // 2 = mousemove relative, x, y (EXT_CSQC)
 439 // 3 = mousemove absolute, x, y (DP_CSQC)
 440 qboolean CL_VM_InputEvent (int eventtype, float x, float y)
 441 {
 442         prvm_prog_t *prog = CLVM_prog;
 443         qboolean r;
 444
 445         if(!cl.csqc_loaded)
 446                 return false;
 447
 448         CSQC_BEGIN
 449                 if (!PRVM_clientfunction(CSQC_InputEvent))
 450                         r = false;
 451                 else
 452                 {
 453                         PRVM_clientglobalfloat(time) = cl.time;
 454                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 455                         PRVM_G_FLOAT(OFS_PARM0) = eventtype;
 456                         PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
 457                         PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
 458                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
 459                         r = CSQC_RETURNVAL != 0;
 460                 }
 461         CSQC_END
 462         return r;
 463 }
 464
 465 extern r_refdef_view_t csqc_original_r_refdef_view;
 466 extern r_refdef_view_t csqc_main_r_refdef_view;
 467 qboolean CL_VM_UpdateView (double frametime)
 468 {
 469         prvm_prog_t *prog = CLVM_prog;
 470         vec3_t emptyvector;
 471         emptyvector[0] = 0;
 472         emptyvector[1] = 0;
 473         emptyvector[2] = 0;
 474 //      vec3_t oldangles;
 475         if(!cl.csqc_loaded)
 476                 return false;
 477         R_TimeReport("pre-UpdateView");
 478         CSQC_BEGIN
 479                 csqc_original_r_refdef_view = r_refdef.view;
 480                 csqc_main_r_refdef_view = r_refdef.view;
 481                 //VectorCopy(cl.viewangles, oldangles);
 482                 PRVM_clientglobalfloat(time) = cl.time;
 483                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 484                 CSQC_SetGlobals(frametime);
 485                 // clear renderable entity and light lists to prevent crashes if the
 486                 // CSQC_UpdateView function does not call R_ClearScene as it should
 487                 r_refdef.scene.numentities = 0;
 488                 r_refdef.scene.numlights = 0;
 489                 // polygonbegin without draw2d arg has to guess
 490                 prog->polygonbegin_guess2d = false;
 491                 // pass in width and height as parameters (EXT_CSQC_1)
 492                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 493                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 494                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 495                 //VectorCopy(oldangles, cl.viewangles);
 496                 // Dresk : Reset Dmg Globals Here
 497                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 498                 r_refdef.view = csqc_main_r_refdef_view;
 499                 R_RenderView_UpdateViewVectors(); // we have to do this, as we undid the scene render doing this for us
 500         CSQC_END
 501
 502         R_TimeReport("UpdateView");
 503         return true;
 504 }
 505
 506 qboolean CL_VM_ConsoleCommand (const char *cmd)
 507 {
 508         prvm_prog_t *prog = CLVM_prog;
 509         int restorevm_tempstringsbuf_cursize;
 510         qboolean r = false;
 511         if(!cl.csqc_loaded)
 512                 return false;
 513         CSQC_BEGIN
 514         if (PRVM_clientfunction(CSQC_ConsoleCommand))
 515         {
 516                 PRVM_clientglobalfloat(time) = cl.time;
 517                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 518                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 519                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, cmd);
 520                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
 521                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 522                 r = CSQC_RETURNVAL != 0;
 523         }
 524         CSQC_END
 525         return r;
 526 }
 527
 528 qboolean CL_VM_Parse_TempEntity (void)
 529 {
 530         prvm_prog_t *prog = CLVM_prog;
 531         int                     t;
 532         qboolean        r = false;
 533         if(!cl.csqc_loaded)
 534                 return false;
 535         CSQC_BEGIN
 536         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 537         {
 538                 t = cl_message.readcount;
 539                 PRVM_clientglobalfloat(time) = cl.time;
 540                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 541                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 542                 r = CSQC_RETURNVAL != 0;
 543                 if(!r)
 544                 {
 545                         cl_message.readcount = t;
 546                         cl_message.badread = false;
 547                 }
 548         }
 549         CSQC_END
 550         return r;
 551 }
 552
 553 void CL_VM_Parse_StuffCmd (const char *msg)
 554 {
 555         prvm_prog_t *prog = CLVM_prog;
 556         int restorevm_tempstringsbuf_cursize;
 557         if(msg[0] == 'c')
 558         if(msg[1] == 's')
 559         if(msg[2] == 'q')
 560         if(msg[3] == 'c')
 561         {
 562                 // if this is setting a csqc variable, deprotect csqc_progcrc
 563                 // temporarily so that it can be set by the cvar command,
 564                 // and then reprotect it afterwards
 565                 int crcflags = csqc_progcrc.flags;
 566                 int sizeflags = csqc_progcrc.flags;
 567                 csqc_progcrc.flags &= ~CVAR_READONLY;
 568                 csqc_progsize.flags &= ~CVAR_READONLY;
 569                 Cmd_ExecuteString (msg, src_command, true);
 570                 csqc_progcrc.flags = crcflags;
 571                 csqc_progsize.flags = sizeflags;
 572                 return;
 573         }
 574
 575         if(cls.demoplayback)
 576         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 577         {
 578                 // special handling for map download commands
 579                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 580                 // that way, there is no black screen when playing back demos
 581                 // I know this is a really ugly hack, but I can't think of any better way
 582                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 583                 // until all maps are loaded, then remove this hack
 584
 585                 char buf[MAX_INPUTLINE];
 586                 const char *p, *q;
 587                 size_t l;
 588
 589                 p = msg;
 590
 591                 for(;;)
 592                 {
 593                         q = strchr(p, '\n');
 594                         if(q)
 595                                 l = q - p;
 596                         else
 597                                 l = strlen(p);
 598                         if(l > sizeof(buf) - 1)
 599                                 l = sizeof(buf) - 1;
 600                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 601
 602                         Cmd_ExecuteString(buf, src_command, true);
 603
 604                         p += l;
 605                         if(*p == '\n')
 606                                 ++p; // skip the newline and continue
 607                         else
 608                                 break; // end of string or overflow
 609                 }
 610                 Cmd_ExecuteString("curl --clear_autodownload", src_command, true); // don't inhibit CSQC loading
 611                 return;
 612         }
 613
 614         if(!cl.csqc_loaded)
 615         {
 616                 Cbuf_AddText(msg);
 617                 return;
 618         }
 619         CSQC_BEGIN
 620         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 621         {
 622                 PRVM_clientglobalfloat(time) = cl.time;
 623                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 624                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 625                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 626                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 627                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 628         }
 629         else
 630                 Cbuf_AddText(msg);
 631         CSQC_END
 632 }
 633
 634 static void CL_VM_Parse_Print (const char *msg)
 635 {
 636         prvm_prog_t *prog = CLVM_prog;
 637         int restorevm_tempstringsbuf_cursize;
 638         PRVM_clientglobalfloat(time) = cl.time;
 639         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 640         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 641         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 642         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 643         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 644 }
 645
 646 void CSQC_AddPrintText (const char *msg)
 647 {
 648         prvm_prog_t *prog = CLVM_prog;
 649         size_t i;
 650         if(!cl.csqc_loaded)
 651         {
 652                 Con_Print(msg);
 653                 return;
 654         }
 655         CSQC_BEGIN
 656         if(PRVM_clientfunction(CSQC_Parse_Print))
 657         {
 658                 // FIXME: is this bugged?
 659                 i = strlen(msg)-1;
 660                 if(msg[i] != '\n' && msg[i] != '\r')
 661                 {
 662                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 663                         {
 664                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 665                                 cl.csqc_printtextbuf[0] = 0;
 666                         }
 667                         else
 668                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 669                         return;
 670                 }
 671                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 672                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 673                 cl.csqc_printtextbuf[0] = 0;
 674         }
 675         else
 676                 Con_Print(msg);
 677         CSQC_END
 678 }
 679
 680 void CL_VM_Parse_CenterPrint (const char *msg)
 681 {
 682         prvm_prog_t *prog = CLVM_prog;
 683         int restorevm_tempstringsbuf_cursize;
 684         if(!cl.csqc_loaded)
 685         {
 686                 SCR_CenterPrint(msg);
 687                 return;
 688         }
 689         CSQC_BEGIN
 690         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
 691         {
 692                 PRVM_clientglobalfloat(time) = cl.time;
 693                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 694                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 695                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 696                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 697                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 698         }
 699         else
 700                 SCR_CenterPrint(msg);
 701         CSQC_END
 702 }
 703
 704 void CL_VM_UpdateIntermissionState (int intermission)
 705 {
 706         prvm_prog_t *prog = CLVM_prog;
 707         if(cl.csqc_loaded)
 708         {
 709                 CSQC_BEGIN
 710                 PRVM_clientglobalfloat(intermission) = intermission;
 711                 CSQC_END
 712         }
 713 }
 714 void CL_VM_UpdateShowingScoresState (int showingscores)
 715 {
 716         prvm_prog_t *prog = CLVM_prog;
 717         if(cl.csqc_loaded)
 718         {
 719                 CSQC_BEGIN
 720                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 721                 CSQC_END
 722         }
 723 }
 724 qboolean CL_VM_Event_Sound(int sound_num, float fvolume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
 725 {
 726         prvm_prog_t *prog = CLVM_prog;
 727         qboolean r = false;
 728         if(cl.csqc_loaded)
 729         {
 730                 CSQC_BEGIN
 731                 if(PRVM_clientfunction(CSQC_Event_Sound))
 732                 {
 733                         PRVM_clientglobalfloat(time) = cl.time;
 734                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 735                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 736                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
 737                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, cl.sound_name[sound_num] );
 738                         PRVM_G_FLOAT(OFS_PARM3) = fvolume;
 739                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 740                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 741                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
 742                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
 743                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 744                         r = CSQC_RETURNVAL != 0;
 745                 }
 746                 CSQC_END
 747         }
 748
 749         return r;
 750 }
 751 static void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 752 {
 753         prvm_prog_t *prog = CLVM_prog;
 754         // Avoid global names for clean(er) coding
 755         int localcoop;
 756         int localdeathmatch;
 757
 758         if(cl.csqc_loaded)
 759         {
 760                 if(gametype == GAME_COOP)
 761                 {
 762                         localcoop = 1;
 763                         localdeathmatch = 0;
 764                 }
 765                 else
 766                 if(gametype == GAME_DEATHMATCH)
 767                 {
 768                         localcoop = 0;
 769                         localdeathmatch = 1;
 770                 }
 771                 else
 772                 {
 773                         // How did the ServerInfo send an unknown gametype?
 774                         // Better just assign the globals as 0...
 775                         localcoop = 0;
 776                         localdeathmatch = 0;
 777                 }
 778                 CSQC_BEGIN
 779                 PRVM_clientglobalfloat(coop) = localcoop;
 780                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 781                 CSQC_END
 782         }
 783 }
 784 #if 0
 785 static float CL_VM_Event (float event)          //[515]: needed ? I'd say "YES", but don't know for what :D
 786 {
 787         prvm_prog_t *prog = CLVM_prog;
 788         float r = 0;
 789         if(!cl.csqc_loaded)
 790                 return 0;
 791         CSQC_BEGIN
 792         if(PRVM_clientfunction(CSQC_Event))
 793         {
 794                 PRVM_clientglobalfloat(time) = cl.time;
 795                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 796                 PRVM_G_FLOAT(OFS_PARM0) = event;
 797                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 798                 r = CSQC_RETURNVAL;
 799         }
 800         CSQC_END
 801         return r;
 802 }
 803 #endif
 804
 805 void CSQC_ReadEntities (void)
 806 {
 807         prvm_prog_t *prog = CLVM_prog;
 808         unsigned short entnum, oldself, realentnum;
 809         if(!cl.csqc_loaded)
 810         {
 811                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 812                 return;
 813         }
 814
 815         CSQC_BEGIN
 816                 PRVM_clientglobalfloat(time) = cl.time;
 817                 oldself = PRVM_clientglobaledict(self);
 818                 while(1)
 819                 {
 820                         entnum = MSG_ReadShort(&cl_message);
 821                         if(!entnum || cl_message.badread)
 822                                 break;
 823                         realentnum = entnum & 0x7FFF;
 824                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
 825                         if(entnum & 0x8000)
 826                         {
 827                                 if(PRVM_clientglobaledict(self))
 828                                 {
 829                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 830                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 831                                 }
 832                                 else
 833                                 {
 834                                         // LordHavoc: removing an entity that is already gone on
 835                                         // the csqc side is possible for legitimate reasons (such
 836                                         // as a repeat of the remove message), so no warning is
 837                                         // needed
 838                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 839                                 }
 840                         }
 841                         else
 842                         {
 843                                 if(!PRVM_clientglobaledict(self))
 844                                 {
 845                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 846                                         {
 847                                                 prvm_edict_t    *ed;
 848                                                 ed = PRVM_ED_Alloc(prog);
 849                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
 850                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 851                                         }
 852                                         else
 853                                         {
 854                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 855                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 856                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 857                                                 // make sure no one gets wrong ideas
 858                                                 PRVM_clientglobaledict(self) = 0;
 859                                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 860                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 861                                         }
 862                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 863                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 864                                 }
 865                                 else {
 866                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 867                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 868                                 }
 869                         }
 870                 }
 871                 PRVM_clientglobaledict(self) = oldself;
 872         CSQC_END
 873 }
 874
 875 static void CLVM_begin_increase_edicts(prvm_prog_t *prog)
 876 {
 877         // links don't survive the transition, so unlink everything
 878         World_UnlinkAll(&cl.world);
 879 }
 880
 881 static void CLVM_end_increase_edicts(prvm_prog_t *prog)
 882 {
 883         int i;
 884         prvm_edict_t *ent;
 885
 886         // link every entity except world
 887         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 888                 if (!ent->priv.server->free)
 889                         CL_LinkEdict(ent);
 890 }
 891
 892 static void CLVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
 893 {
 894         int edictnum = PRVM_NUM_FOR_EDICT(e);
 895         entity_render_t *entrender;
 896         CL_ExpandCSQCRenderEntities(edictnum);
 897         entrender = cl.csqcrenderentities + edictnum;
 898         e->priv.server->move = false; // don't move on first frame
 899         memset(entrender, 0, sizeof(*entrender));
 900         entrender->shadertime = cl.time;
 901 }
 902
 903 static void CLVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
 904 {
 905         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 906         R_DecalSystem_Reset(&entrender->decalsystem);
 907         memset(entrender, 0, sizeof(*entrender));
 908         World_UnlinkEdict(ed);
 909         memset(ed->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
 910         VM_RemoveEdictSkeleton(prog, ed);
 911         World_Physics_RemoveFromEntity(&cl.world, ed);
 912         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 913 }
 914
 915 static void CLVM_count_edicts(prvm_prog_t *prog)
 916 {
 917         int             i;
 918         prvm_edict_t    *ent;
 919         int             active = 0, models = 0, solid = 0;
 920
 921         for (i=0 ; i<prog->num_edicts ; i++)
 922         {
 923                 ent = PRVM_EDICT_NUM(i);
 924                 if (ent->priv.server->free)
 925                         continue;
 926                 active++;
 927                 if (PRVM_clientedictfloat(ent, solid))
 928                         solid++;
 929                 if (PRVM_clientedictstring(ent, model))
 930                         models++;
 931         }
 932
 933         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 934         Con_Printf("active    :%3i\n", active);
 935         Con_Printf("view      :%3i\n", models);
 936         Con_Printf("touch     :%3i\n", solid);
 937 }
 938
 939 static qboolean CLVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
 940 {
 941         return true;
 942 }
 943
 944 // returns true if the packet is valid, false if end of file is reached
 945 // used for dumping the CSQC download into demo files
 946 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 947 {
 948         int packetsize = buf->maxsize - 7; // byte short long
 949         int npackets = ((int)len + packetsize - 1) / (packetsize);
 950         char vabuf[1024];
 951
 952         if(protocol == PROTOCOL_QUAKEWORLD)
 953                 return false; // CSQC can't run in QW anyway
 954
 955         SZ_Clear(buf);
 956         if(cnt == 0)
 957         {
 958                 MSG_WriteByte(buf, svc_stufftext);
 959                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 960                 return true;
 961         }
 962         else if(cnt >= 1 && cnt <= npackets)
 963         {
 964                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 965                 int thispacketsize = (int)len - thispacketoffset;
 966                 if(thispacketsize > packetsize)
 967                         thispacketsize = packetsize;
 968
 969                 MSG_WriteByte(buf, svc_downloaddata);
 970                 MSG_WriteLong(buf, thispacketoffset);
 971                 MSG_WriteShort(buf, thispacketsize);
 972                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 973
 974                 return true;
 975         }
 976         else if(cnt == npackets + 1)
 977         {
 978                 MSG_WriteByte(buf, svc_stufftext);
 979                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 980                 return true;
 981         }
 982         return false;
 983 }
 984
 985 extern cvar_t csqc_usedemoprogs;
 986 void CL_VM_Init (void)
 987 {
 988         prvm_prog_t *prog = CLVM_prog;
 989         const char* csprogsfn = NULL;
 990         unsigned char *csprogsdata = NULL;
 991         fs_offset_t csprogsdatasize = 0;
 992         int csprogsdatacrc, requiredcrc;
 993         int requiredsize;
 994         char vabuf[1024];
 995
 996         // reset csqc_progcrc after reading it, so that changing servers doesn't
 997         // expect csqc on the next server
 998         requiredcrc = csqc_progcrc.integer;
 999         requiredsize = csqc_progsize.integer;
1000         Cvar_SetValueQuick(&csqc_progcrc, -1);
1001         Cvar_SetValueQuick(&csqc_progsize, -1);
1002
1003         // if the server is not requesting a csprogs, then we're done here
1004         if (requiredcrc < 0)
1005                 return;
1006
1007         // see if the requested csprogs.dat file matches the requested crc
1008         if (!cls.demoplayback || csqc_usedemoprogs.integer)
1009         {
1010                 csprogsfn = va(vabuf, sizeof(vabuf), "dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
1011                 if(cls.caughtcsprogsdata && cls.caughtcsprogsdatasize == requiredsize && CRC_Block(cls.caughtcsprogsdata, (size_t)cls.caughtcsprogsdatasize) == requiredcrc)
1012                 {
1013                         Con_DPrintf("Using buffered \"%s\"\n", csprogsfn);
1014                         csprogsdata = cls.caughtcsprogsdata;
1015                         csprogsdatasize = cls.caughtcsprogsdatasize;
1016                         cls.caughtcsprogsdata = NULL;
1017                         cls.caughtcsprogsdatasize = 0;
1018                 }
1019                 else
1020                 {
1021                         Con_DPrintf("Not using buffered \"%s\" (buffered: %p, %d)\n", csprogsfn, cls.caughtcsprogsdata, (int) cls.caughtcsprogsdatasize);
1022                         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1023                 }
1024         }
1025         if (!csprogsdata)
1026         {
1027                 csprogsfn = csqc_progname.string;
1028                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1029         }
1030         if (csprogsdata)
1031         {
1032                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
1033                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
1034                 {
1035                         if (cls.demoplayback)
1036                         {
1037                                 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);
1038                                 // Mem_Free(csprogsdata);
1039                                 // return;
1040                                 // We WANT to continue here, and play the demo with different csprogs!
1041                                 // After all, this is just a warning. Sure things may go wrong from here.
1042                         }
1043                         else
1044                         {
1045                                 Mem_Free(csprogsdata);
1046                                 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);
1047                                 CL_Disconnect();
1048                                 return;
1049                         }
1050                 }
1051         }
1052         else
1053         {
1054                 if (requiredcrc >= 0)
1055                 {
1056                         if (cls.demoplayback)
1057                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1058                         else
1059                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1060                         CL_Disconnect();
1061                 }
1062                 return;
1063         }
1064
1065         PRVM_Prog_Init(prog);
1066
1067         // allocate the mempools
1068         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1069         prog->edictprivate_size = 0; // no private struct used
1070         prog->name = "client";
1071         prog->num_edicts = 1;
1072         prog->max_edicts = 512;
1073         prog->limit_edicts = CL_MAX_EDICTS;
1074         prog->reserved_edicts = 0;
1075         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1076         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1077         prog->extensionstring = vm_sv_extensions;
1078         prog->builtins = vm_cl_builtins;
1079         prog->numbuiltins = vm_cl_numbuiltins;
1080
1081         // all callbacks must be defined (pointers are not checked before calling)
1082         prog->begin_increase_edicts = CLVM_begin_increase_edicts;
1083         prog->end_increase_edicts   = CLVM_end_increase_edicts;
1084         prog->init_edict            = CLVM_init_edict;
1085         prog->free_edict            = CLVM_free_edict;
1086         prog->count_edicts          = CLVM_count_edicts;
1087         prog->load_edict            = CLVM_load_edict;
1088         prog->init_cmd              = CLVM_init_cmd;
1089         prog->reset_cmd             = CLVM_reset_cmd;
1090         prog->error_cmd             = Host_Error;
1091         prog->ExecuteProgram        = CLVM_ExecuteProgram;
1092
1093         PRVM_Prog_Load(prog, csprogsfn, csprogsdata, csprogsdatasize, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1094
1095         if (!prog->loaded)
1096         {
1097                 Host_Error("CSQC %s ^2failed to load\n", csprogsfn);
1098                 if(!sv.active)
1099                         CL_Disconnect();
1100                 Mem_Free(csprogsdata);
1101                 return;
1102         }
1103
1104         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1105
1106         if(cls.demorecording)
1107         {
1108                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1109                 {
1110                         int i;
1111                         static char buf[NET_MAXMESSAGE];
1112                         sizebuf_t sb;
1113                         unsigned char *demobuf; fs_offset_t demofilesize;
1114
1115                         sb.data = (unsigned char *) buf;
1116                         sb.maxsize = sizeof(buf);
1117                         i = 0;
1118
1119                         CL_CutDemo(&demobuf, &demofilesize);
1120                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1121                                 CL_WriteDemoMessage(&sb);
1122                         CL_PasteDemo(&demobuf, &demofilesize);
1123
1124                         cls.demo_lastcsprogssize = csprogsdatasize;
1125                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1126                 }
1127         }
1128         Mem_Free(csprogsdata);
1129
1130         // check if OP_STATE animation is possible in this dat file
1131         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1132                 prog->flag |= PRVM_OP_STATE;
1133
1134         // set time
1135         PRVM_clientglobalfloat(time) = cl.time;
1136         PRVM_clientglobaledict(self) = 0;
1137
1138         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(prog, cl.worldname);
1139         PRVM_clientglobalfloat(player_localnum) = cl.realplayerentity - 1;
1140         PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
1141
1142         // set map description (use world entity 0)
1143         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(prog, cl.worldmessage);
1144         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1145         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1146         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, absmin));
1147         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, absmax));
1148
1149         // call the prog init
1150         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1151
1152         // Once CSQC_Init was called, we consider csqc code fully initialized.
1153         prog->inittime = realtime;
1154
1155         cl.csqc_loaded = true;
1156
1157         cl.csqc_vidvars.drawcrosshair = false;
1158         cl.csqc_vidvars.drawenginesbar = false;
1159
1160         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1161         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1162 }
1163
1164 void CL_VM_ShutDown (void)
1165 {
1166         prvm_prog_t *prog = CLVM_prog;
1167         Cmd_ClearCsqcFuncs();
1168         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1169         //Cvar_SetValueQuick(&csqc_progsize, -1);
1170         if(!cl.csqc_loaded)
1171                 return;
1172         CSQC_BEGIN
1173                 if (prog->loaded)
1174                 {
1175                         PRVM_clientglobalfloat(time) = cl.time;
1176                         PRVM_clientglobaledict(self) = 0;
1177                         if (PRVM_clientfunction(CSQC_Shutdown))
1178                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1179                 }
1180                 PRVM_Prog_Reset(prog);
1181         CSQC_END
1182         Con_DPrint("CSQC ^1unloaded\n");
1183         cl.csqc_loaded = false;
1184 }
1185
1186 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1187 {
1188         prvm_prog_t *prog = CLVM_prog;
1189         prvm_edict_t *ed;
1190         dp_model_t *mod;
1191         matrix4x4_t matrix;
1192         qboolean r = 0;
1193
1194         CSQC_BEGIN;
1195
1196         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1197
1198         if(!ed->priv.required->free)
1199         {
1200                 mod = CL_GetModelFromEdict(ed);
1201                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1202                 if(CL_GetTagMatrix(prog, &matrix, ed, 0, NULL) == 0)
1203                         Matrix4x4_OriginFromMatrix(&matrix, out);
1204                 if (mod && mod->soundfromcenter)
1205                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1206                 r = 1;
1207         }
1208
1209         CSQC_END;
1210
1211         return r;
1212 }
1213
1214 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1215 {
1216         prvm_prog_t *prog = CLVM_prog;
1217         qboolean ret = false;
1218         prvm_edict_t *ed;
1219         vec3_t forward, left, up, origin, ang;
1220         matrix4x4_t mat, matq;
1221
1222         CSQC_BEGIN
1223                 ed = PRVM_EDICT_NUM(entnum);
1224                 // camera:
1225                 //   camera_transform
1226                 if(PRVM_clientedictfunction(ed, camera_transform))
1227                 {
1228                         ret = true;
1229                         if(viewmatrix && clipplane && visorigin)
1230                         {
1231                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1232                                 AnglesFromVectors(ang, forward, up, false);
1233                                 PRVM_clientglobalfloat(time) = cl.time;
1234                                 PRVM_clientglobaledict(self) = entnum;
1235                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1236                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1237                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1238                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1239                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1240                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1241                                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1242                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1243                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1244                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1245                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1246                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1247                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1248                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1249                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1250                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, clipplane->normal_and_dist);
1251                         }
1252                 }
1253         CSQC_END
1254
1255         return ret;
1256 }
1257
1258 int CL_VM_GetViewEntity(void)
1259 {
1260         if(cl.csqc_server2csqcentitynumber[cl.viewentity])
1261                 return cl.csqc_server2csqcentitynumber[cl.viewentity] + MAX_EDICTS;
1262         return cl.viewentity;
1263 }