csprogs.c

   1 #include "quakedef.h"
   2 #include "progsvm.h"
   3 #include "clprogdefs.h"
   4 #include "csprogs.h"
   5 #include "cl_collision.h"
   6 #include "snd_main.h"
   7 #include "clvm_cmds.h"
   8 #include "prvm_cmds.h"
   9
  10 //============================================================================
  11 // Client prog handling
  12 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
  13
  14 #define CSQC_RETURNVAL  prog->globals.generic[OFS_RETURN]
  15 #define CSQC_BEGIN
  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 (void)
 225 {
 226         prvm_prog_t *prog = CLVM_prog;
 227         CSQC_BEGIN
 228                 PRVM_clientglobalfloat(time) = cl.time;
 229                 PRVM_clientglobalfloat(frametime) = max(0, cl.time - cl.oldtime);
 230                 PRVM_clientglobalfloat(servercommandframe) = cls.servermovesequence;
 231                 PRVM_clientglobalfloat(clientcommandframe) = cl.movecmd[0].sequence;
 232                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(input_angles));
 233                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
 234                 PRVM_clientglobalfloat(input_buttons) = cl.movecmd[0].buttons;
 235                 VectorSet(PRVM_clientglobalvector(input_movevalues), cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
 236                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
 237                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
 238
 239                 // LordHavoc: Spike says not to do this, but without pmove_org the
 240                 // CSQC is useless as it can't alter the view origin without
 241                 // completely replacing it
 242                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, PRVM_clientglobalvector(pmove_org));
 243                 VectorCopy(cl.movement_velocity, PRVM_clientglobalvector(pmove_vel));
 244                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
 245                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
 246
 247                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
 248                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
 249                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
 250                 PRVM_clientglobalfloat(maxclients) = cl.maxclients;
 251
 252                 PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
 253
 254                 CSQC_R_RecalcView();
 255         CSQC_END
 256 }
 257
 258 void CSQC_Predraw (prvm_edict_t *ed)
 259 {
 260         prvm_prog_t *prog = CLVM_prog;
 261         int b;
 262         if(!PRVM_clientedictfunction(ed, predraw))
 263                 return;
 264         b = PRVM_clientglobaledict(self);
 265         PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 266         prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, predraw), "CSQC_Predraw: NULL function\n");
 267         PRVM_clientglobaledict(self) = b;
 268 }
 269
 270 void CSQC_Think (prvm_edict_t *ed)
 271 {
 272         prvm_prog_t *prog = CLVM_prog;
 273         int b;
 274         if(PRVM_clientedictfunction(ed, think))
 275         if(PRVM_clientedictfloat(ed, nextthink) && PRVM_clientedictfloat(ed, nextthink) <= PRVM_clientglobalfloat(time))
 276         {
 277                 PRVM_clientedictfloat(ed, nextthink) = 0;
 278                 b = PRVM_clientglobaledict(self);
 279                 PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 280                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, think), "CSQC_Think: NULL function\n");
 281                 PRVM_clientglobaledict(self) = b;
 282         }
 283 }
 284
 285 extern cvar_t cl_noplayershadow;
 286 extern cvar_t r_equalize_entities_fullbright;
 287 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 288 {
 289         prvm_prog_t *prog = CLVM_prog;
 290         int renderflags;
 291         int c;
 292         float scale;
 293         entity_render_t *entrender;
 294         dp_model_t *model;
 295
 296         model = CL_GetModelFromEdict(ed);
 297         if (!model)
 298                 return false;
 299
 300         if (edictnum)
 301         {
 302                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 303                         return false;
 304                 entrender = cl.csqcrenderentities + edictnum;
 305                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 306                 entrender->entitynumber = edictnum + MAX_EDICTS;
 307                 //entrender->shadertime = 0; // shadertime was set by spawn()
 308                 entrender->flags = 0;
 309                 entrender->effects = 0;
 310                 entrender->alpha = 1;
 311                 entrender->scale = 1;
 312                 VectorSet(entrender->colormod, 1, 1, 1);
 313                 VectorSet(entrender->glowmod, 1, 1, 1);
 314                 entrender->allowdecals = true;
 315         }
 316         else
 317         {
 318                 entrender = CL_NewTempEntity(0);
 319                 if (!entrender)
 320                         return false;
 321         }
 322
 323         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
 324         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
 325         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
 326         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
 327
 328         entrender->model = model;
 329         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
 330         entrender->effects |= entrender->model->effects;
 331         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
 332         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
 333         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
 334         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
 335         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
 336         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
 337         if (!entrender->alpha)
 338                 entrender->alpha = 1.0f;
 339         if (!entrender->scale)
 340                 entrender->scale = scale = 1.0f;
 341         if (!VectorLength2(entrender->colormod))
 342                 VectorSet(entrender->colormod, 1, 1, 1);
 343         if (!VectorLength2(entrender->glowmod))
 344                 VectorSet(entrender->glowmod, 1, 1, 1);
 345
 346         // LordHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 347         CL_GetTagMatrix(prog, &entrender->matrix, ed, 0);
 348
 349         // set up the animation data
 350         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
 351         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
 352         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
 353         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
 354                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
 355
 356         // transparent offset
 357         if (renderflags & RF_USETRANSPARENTOFFSET)
 358                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
 359
 360         // model light
 361         if (renderflags & RF_MODELLIGHT)
 362         {
 363                 if(PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->modellight_ambient);
 364                 if(PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->modellight_diffuse);
 365                 if(PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->modellight_lightdir);
 366                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
 367         }
 368
 369         if(renderflags)
 370         {
 371                 if(renderflags & RF_VIEWMODEL) entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 372                 if(renderflags & RF_EXTERNALMODEL) entrender->flags |= RENDER_EXTERIORMODEL;
 373                 if(renderflags & RF_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
 374                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
 375                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
 376         }
 377
 378         // walk attachments to find RENDER_EXTERIORMODEL status
 379         {
 380                 prvm_edict_t *ent = ed;
 381                 int vn = CL_VM_GetViewEntity();
 382                 int attachloop = 0;
 383                 for(;;)
 384                 {
 385                         if(attachloop >= 256)
 386                                 break;
 387                         if(MAX_EDICTS + PRVM_NUM_FOR_EDICT(ent) == vn)
 388                         {
 389                                 entrender->flags |= RENDER_EXTERIORMODEL;
 390                                 break;
 391                         }
 392                         if (PRVM_clientedictedict(ent, tag_entity))
 393                                 ent = PRVM_EDICT_NUM(PRVM_clientedictedict(ent, tag_entity));
 394                         else
 395                                 break;
 396                         attachloop++;
 397                 }
 398         }
 399
 400         c = (int)PRVM_clientedictfloat(ed, colormap);
 401         if (c <= 0)
 402                 CL_SetEntityColormapColors(entrender, -1);
 403         else if (c <= cl.maxclients && cl.scores != NULL)
 404                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 405         else
 406                 CL_SetEntityColormapColors(entrender, c);
 407
 408         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 409         // either fullbright or lit
 410         if(!r_fullbright.integer)
 411         {
 412                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 413                         entrender->flags |= RENDER_LIGHT;
 414                 else if(r_equalize_entities_fullbright.integer)
 415                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 416         }
 417         // hide player shadow during intermission or nehahra movie
 418         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 419          &&  (entrender->alpha >= 1)
 420          && !(renderflags & RF_NOSHADOW)
 421          && !(entrender->flags & RENDER_VIEWMODEL)
 422          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 423                 entrender->flags |= RENDER_SHADOW;
 424         if (entrender->flags & RENDER_VIEWMODEL)
 425                 entrender->flags |= RENDER_NOSELFSHADOW;
 426         if (entrender->effects & EF_NOSELFSHADOW)
 427                 entrender->flags |= RENDER_NOSELFSHADOW;
 428         if (entrender->effects & EF_NODEPTHTEST)
 429                 entrender->flags |= RENDER_NODEPTHTEST;
 430         if (entrender->effects & EF_ADDITIVE)
 431                 entrender->flags |= RENDER_ADDITIVE;
 432         if (entrender->effects & EF_DOUBLESIDED)
 433                 entrender->flags |= RENDER_DOUBLESIDED;
 434
 435         // make the other useful stuff
 436         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 437         CL_UpdateRenderEntity(entrender);
 438         // override animation data with full control
 439         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 440         if (ed->priv.server->skeleton.relativetransforms)
 441                 entrender->skeleton = &ed->priv.server->skeleton;
 442         else
 443                 entrender->skeleton = NULL;
 444
 445         return true;
 446 }
 447
 448 // 0 = keydown, key, character (EXT_CSQC)
 449 // 1 = keyup, key, character (EXT_CSQC)
 450 // 2 = mousemove relative, x, y (EXT_CSQC)
 451 // 3 = mousemove absolute, x, y (DP_CSQC)
 452 qboolean CL_VM_InputEvent (int eventtype, int x, int y)
 453 {
 454         prvm_prog_t *prog = CLVM_prog;
 455         qboolean r;
 456
 457         if(!cl.csqc_loaded)
 458                 return false;
 459
 460         CSQC_BEGIN
 461                 if (!PRVM_clientfunction(CSQC_InputEvent))
 462                         r = false;
 463                 else
 464                 {
 465                         PRVM_clientglobalfloat(time) = cl.time;
 466                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 467                         PRVM_G_FLOAT(OFS_PARM0) = eventtype;
 468                         PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
 469                         PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
 470                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
 471                         r = CSQC_RETURNVAL != 0;
 472                 }
 473         CSQC_END
 474         return r;
 475 }
 476
 477 extern r_refdef_view_t csqc_original_r_refdef_view;
 478 extern r_refdef_view_t csqc_main_r_refdef_view;
 479 qboolean CL_VM_UpdateView (void)
 480 {
 481         prvm_prog_t *prog = CLVM_prog;
 482         vec3_t emptyvector;
 483         emptyvector[0] = 0;
 484         emptyvector[1] = 0;
 485         emptyvector[2] = 0;
 486 //      vec3_t oldangles;
 487         if(!cl.csqc_loaded)
 488                 return false;
 489         R_TimeReport("pre-UpdateView");
 490         CSQC_BEGIN
 491                 r_refdef.view.ismain = true;
 492                 csqc_original_r_refdef_view = r_refdef.view;
 493                 csqc_main_r_refdef_view = r_refdef.view;
 494                 //VectorCopy(cl.viewangles, oldangles);
 495                 PRVM_clientglobalfloat(time) = cl.time;
 496                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 497                 CSQC_SetGlobals();
 498                 // clear renderable entity and light lists to prevent crashes if the
 499                 // CSQC_UpdateView function does not call R_ClearScene as it should
 500                 r_refdef.scene.numentities = 0;
 501                 r_refdef.scene.numlights = 0;
 502                 // pass in width and height as parameters (EXT_CSQC_1)
 503                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 504                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 505                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 506                 //VectorCopy(oldangles, cl.viewangles);
 507                 // Dresk : Reset Dmg Globals Here
 508                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 509                 r_refdef.view = csqc_main_r_refdef_view;
 510                 R_RenderView_UpdateViewVectors(); // we have to do this, as we undid the scene render doing this for us
 511         CSQC_END
 512
 513         R_TimeReport("UpdateView");
 514         return true;
 515 }
 516
 517 qboolean CL_VM_ConsoleCommand (const char *cmd)
 518 {
 519         prvm_prog_t *prog = CLVM_prog;
 520         int restorevm_tempstringsbuf_cursize;
 521         qboolean r = false;
 522         if(!cl.csqc_loaded)
 523                 return false;
 524         CSQC_BEGIN
 525         if (PRVM_clientfunction(CSQC_ConsoleCommand))
 526         {
 527                 PRVM_clientglobalfloat(time) = cl.time;
 528                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 529                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 530                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, cmd);
 531                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
 532                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 533                 r = CSQC_RETURNVAL != 0;
 534         }
 535         CSQC_END
 536         return r;
 537 }
 538
 539 qboolean CL_VM_Parse_TempEntity (void)
 540 {
 541         prvm_prog_t *prog = CLVM_prog;
 542         int                     t;
 543         qboolean        r = false;
 544         if(!cl.csqc_loaded)
 545                 return false;
 546         CSQC_BEGIN
 547         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 548         {
 549                 t = cl_message.readcount;
 550                 PRVM_clientglobalfloat(time) = cl.time;
 551                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 552                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 553                 r = CSQC_RETURNVAL != 0;
 554                 if(!r)
 555                 {
 556                         cl_message.readcount = t;
 557                         cl_message.badread = false;
 558                 }
 559         }
 560         CSQC_END
 561         return r;
 562 }
 563
 564 void CL_VM_Parse_StuffCmd (const char *msg)
 565 {
 566         prvm_prog_t *prog = CLVM_prog;
 567         int restorevm_tempstringsbuf_cursize;
 568         if(msg[0] == 'c')
 569         if(msg[1] == 's')
 570         if(msg[2] == 'q')
 571         if(msg[3] == 'c')
 572         {
 573                 // if this is setting a csqc variable, deprotect csqc_progcrc
 574                 // temporarily so that it can be set by the cvar command,
 575                 // and then reprotect it afterwards
 576                 int crcflags = csqc_progcrc.flags;
 577                 int sizeflags = csqc_progcrc.flags;
 578                 csqc_progcrc.flags &= ~CVAR_READONLY;
 579                 csqc_progsize.flags &= ~CVAR_READONLY;
 580                 Cmd_ExecuteString (msg, src_command, true);
 581                 csqc_progcrc.flags = crcflags;
 582                 csqc_progsize.flags = sizeflags;
 583                 return;
 584         }
 585
 586         if(cls.demoplayback)
 587         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 588         {
 589                 // special handling for map download commands
 590                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 591                 // that way, there is no black screen when playing back demos
 592                 // I know this is a really ugly hack, but I can't think of any better way
 593                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 594                 // until all maps are loaded, then remove this hack
 595
 596                 char buf[MAX_INPUTLINE];
 597                 const char *p, *q;
 598                 size_t l;
 599
 600                 p = msg;
 601
 602                 for(;;)
 603                 {
 604                         q = strchr(p, '\n');
 605                         if(q)
 606                                 l = q - p;
 607                         else
 608                                 l = strlen(p);
 609                         if(l > sizeof(buf) - 1)
 610                                 l = sizeof(buf) - 1;
 611                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 612
 613                         Cmd_ExecuteString(buf, src_command, true);
 614
 615                         p += l;
 616                         if(*p == '\n')
 617                                 ++p; // skip the newline and continue
 618                         else
 619                                 break; // end of string or overflow
 620                 }
 621                 Cmd_ExecuteString("curl --clear_autodownload", src_command, true); // don't inhibit CSQC loading
 622                 return;
 623         }
 624
 625         if(!cl.csqc_loaded)
 626         {
 627                 Cbuf_AddText(msg);
 628                 return;
 629         }
 630         CSQC_BEGIN
 631         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 632         {
 633                 PRVM_clientglobalfloat(time) = cl.time;
 634                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 635                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 636                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 637                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 638                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 639         }
 640         else
 641                 Cbuf_AddText(msg);
 642         CSQC_END
 643 }
 644
 645 static void CL_VM_Parse_Print (const char *msg)
 646 {
 647         prvm_prog_t *prog = CLVM_prog;
 648         int restorevm_tempstringsbuf_cursize;
 649         PRVM_clientglobalfloat(time) = cl.time;
 650         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 651         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 652         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 653         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 654         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 655 }
 656
 657 void CSQC_AddPrintText (const char *msg)
 658 {
 659         prvm_prog_t *prog = CLVM_prog;
 660         size_t i;
 661         if(!cl.csqc_loaded)
 662         {
 663                 Con_Print(msg);
 664                 return;
 665         }
 666         CSQC_BEGIN
 667         if(PRVM_clientfunction(CSQC_Parse_Print))
 668         {
 669                 // FIXME: is this bugged?
 670                 i = strlen(msg)-1;
 671                 if(msg[i] != '\n' && msg[i] != '\r')
 672                 {
 673                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 674                         {
 675                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 676                                 cl.csqc_printtextbuf[0] = 0;
 677                         }
 678                         else
 679                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 680                         return;
 681                 }
 682                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 683                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 684                 cl.csqc_printtextbuf[0] = 0;
 685         }
 686         else
 687                 Con_Print(msg);
 688         CSQC_END
 689 }
 690
 691 void CL_VM_Parse_CenterPrint (const char *msg)
 692 {
 693         prvm_prog_t *prog = CLVM_prog;
 694         int restorevm_tempstringsbuf_cursize;
 695         if(!cl.csqc_loaded)
 696         {
 697                 SCR_CenterPrint(msg);
 698                 return;
 699         }
 700         CSQC_BEGIN
 701         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
 702         {
 703                 PRVM_clientglobalfloat(time) = cl.time;
 704                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 705                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 706                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 707                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 708                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 709         }
 710         else
 711                 SCR_CenterPrint(msg);
 712         CSQC_END
 713 }
 714
 715 void CL_VM_UpdateIntermissionState (int intermission)
 716 {
 717         prvm_prog_t *prog = CLVM_prog;
 718         if(cl.csqc_loaded)
 719         {
 720                 CSQC_BEGIN
 721                 PRVM_clientglobalfloat(intermission) = intermission;
 722                 CSQC_END
 723         }
 724 }
 725 void CL_VM_UpdateShowingScoresState (int showingscores)
 726 {
 727         prvm_prog_t *prog = CLVM_prog;
 728         if(cl.csqc_loaded)
 729         {
 730                 CSQC_BEGIN
 731                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 732                 CSQC_END
 733         }
 734 }
 735 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
 736 {
 737         prvm_prog_t *prog = CLVM_prog;
 738         qboolean r = false;
 739         if(cl.csqc_loaded)
 740         {
 741                 CSQC_BEGIN
 742                 if(PRVM_clientfunction(CSQC_Event_Sound))
 743                 {
 744                         PRVM_clientglobalfloat(time) = cl.time;
 745                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 746                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 747                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
 748                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, cl.sound_name[sound_num] );
 749                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 750                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 751                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 752                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
 753                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
 754                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 755                         r = CSQC_RETURNVAL != 0;
 756                 }
 757                 CSQC_END
 758         }
 759
 760         return r;
 761 }
 762 static void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 763 {
 764         prvm_prog_t *prog = CLVM_prog;
 765         // Avoid global names for clean(er) coding
 766         int localcoop;
 767         int localdeathmatch;
 768
 769         if(cl.csqc_loaded)
 770         {
 771                 if(gametype == GAME_COOP)
 772                 {
 773                         localcoop = 1;
 774                         localdeathmatch = 0;
 775                 }
 776                 else
 777                 if(gametype == GAME_DEATHMATCH)
 778                 {
 779                         localcoop = 0;
 780                         localdeathmatch = 1;
 781                 }
 782                 else
 783                 {
 784                         // How did the ServerInfo send an unknown gametype?
 785                         // Better just assign the globals as 0...
 786                         localcoop = 0;
 787                         localdeathmatch = 0;
 788                 }
 789                 CSQC_BEGIN
 790                 PRVM_clientglobalfloat(coop) = localcoop;
 791                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 792                 CSQC_END
 793         }
 794 }
 795 #if 0
 796 static float CL_VM_Event (float event)          //[515]: needed ? I'd say "YES", but don't know for what :D
 797 {
 798         prvm_prog_t *prog = CLVM_prog;
 799         float r = 0;
 800         if(!cl.csqc_loaded)
 801                 return 0;
 802         CSQC_BEGIN
 803         if(PRVM_clientfunction(CSQC_Event))
 804         {
 805                 PRVM_clientglobalfloat(time) = cl.time;
 806                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 807                 PRVM_G_FLOAT(OFS_PARM0) = event;
 808                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 809                 r = CSQC_RETURNVAL;
 810         }
 811         CSQC_END
 812         return r;
 813 }
 814 #endif
 815
 816 void CSQC_ReadEntities (void)
 817 {
 818         prvm_prog_t *prog = CLVM_prog;
 819         unsigned short entnum, oldself, realentnum;
 820         if(!cl.csqc_loaded)
 821         {
 822                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 823                 return;
 824         }
 825
 826         CSQC_BEGIN
 827                 PRVM_clientglobalfloat(time) = cl.time;
 828                 oldself = PRVM_clientglobaledict(self);
 829                 while(1)
 830                 {
 831                         entnum = MSG_ReadShort(&cl_message);
 832                         if(!entnum || cl_message.badread)
 833                                 break;
 834                         realentnum = entnum & 0x7FFF;
 835                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
 836                         if(entnum & 0x8000)
 837                         {
 838                                 if(PRVM_clientglobaledict(self))
 839                                 {
 840                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 841                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 842                                 }
 843                                 else
 844                                 {
 845                                         // LordHavoc: removing an entity that is already gone on
 846                                         // the csqc side is possible for legitimate reasons (such
 847                                         // as a repeat of the remove message), so no warning is
 848                                         // needed
 849                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 850                                 }
 851                         }
 852                         else
 853                         {
 854                                 if(!PRVM_clientglobaledict(self))
 855                                 {
 856                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 857                                         {
 858                                                 prvm_edict_t    *ed;
 859                                                 ed = PRVM_ED_Alloc(prog);
 860                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
 861                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 862                                         }
 863                                         else
 864                                         {
 865                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 866                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 867                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 868                                                 // make sure no one gets wrong ideas
 869                                                 PRVM_clientglobaledict(self) = 0;
 870                                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 871                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 872                                         }
 873                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 874                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 875                                 }
 876                                 else {
 877                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 878                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 879                                 }
 880                         }
 881                 }
 882                 PRVM_clientglobaledict(self) = oldself;
 883         CSQC_END
 884 }
 885
 886 static void CLVM_begin_increase_edicts(prvm_prog_t *prog)
 887 {
 888         // links don't survive the transition, so unlink everything
 889         World_UnlinkAll(&cl.world);
 890 }
 891
 892 static void CLVM_end_increase_edicts(prvm_prog_t *prog)
 893 {
 894         int i;
 895         prvm_edict_t *ent;
 896
 897         // link every entity except world
 898         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 899                 if (!ent->priv.server->free)
 900                         CL_LinkEdict(ent);
 901 }
 902
 903 static void CLVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
 904 {
 905         int edictnum = PRVM_NUM_FOR_EDICT(e);
 906         entity_render_t *entrender;
 907         CL_ExpandCSQCRenderEntities(edictnum);
 908         entrender = cl.csqcrenderentities + edictnum;
 909         e->priv.server->move = false; // don't move on first frame
 910         memset(entrender, 0, sizeof(*entrender));
 911         entrender->shadertime = cl.time;
 912 }
 913
 914 static void CLVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
 915 {
 916         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 917         R_DecalSystem_Reset(&entrender->decalsystem);
 918         memset(entrender, 0, sizeof(*entrender));
 919         World_UnlinkEdict(ed);
 920         memset(ed->fields.vp, 0, prog->entityfields * 4);
 921         VM_RemoveEdictSkeleton(prog, ed);
 922         World_Physics_RemoveFromEntity(&cl.world, ed);
 923         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 924 }
 925
 926 static void CLVM_count_edicts(prvm_prog_t *prog)
 927 {
 928         int             i;
 929         prvm_edict_t    *ent;
 930         int             active = 0, models = 0, solid = 0;
 931
 932         for (i=0 ; i<prog->num_edicts ; i++)
 933         {
 934                 ent = PRVM_EDICT_NUM(i);
 935                 if (ent->priv.server->free)
 936                         continue;
 937                 active++;
 938                 if (PRVM_clientedictfloat(ent, solid))
 939                         solid++;
 940                 if (PRVM_clientedictstring(ent, model))
 941                         models++;
 942         }
 943
 944         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 945         Con_Printf("active    :%3i\n", active);
 946         Con_Printf("view      :%3i\n", models);
 947         Con_Printf("touch     :%3i\n", solid);
 948 }
 949
 950 static qboolean CLVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
 951 {
 952         return true;
 953 }
 954
 955 // returns true if the packet is valid, false if end of file is reached
 956 // used for dumping the CSQC download into demo files
 957 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 958 {
 959         int packetsize = buf->maxsize - 7; // byte short long
 960         int npackets = (len + packetsize - 1) / (packetsize);
 961         char vabuf[1024];
 962
 963         if(protocol == PROTOCOL_QUAKEWORLD)
 964                 return false; // CSQC can't run in QW anyway
 965
 966         SZ_Clear(buf);
 967         if(cnt == 0)
 968         {
 969                 MSG_WriteByte(buf, svc_stufftext);
 970                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 971                 return true;
 972         }
 973         else if(cnt >= 1 && cnt <= npackets)
 974         {
 975                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 976                 int thispacketsize = len - thispacketoffset;
 977                 if(thispacketsize > packetsize)
 978                         thispacketsize = packetsize;
 979
 980                 MSG_WriteByte(buf, svc_downloaddata);
 981                 MSG_WriteLong(buf, thispacketoffset);
 982                 MSG_WriteShort(buf, thispacketsize);
 983                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 984
 985                 return true;
 986         }
 987         else if(cnt == npackets + 1)
 988         {
 989                 MSG_WriteByte(buf, svc_stufftext);
 990                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 991                 return true;
 992         }
 993         return false;
 994 }
 995
 996 extern cvar_t csqc_usedemoprogs;
 997 void CL_VM_Init (void)
 998 {
 999         prvm_prog_t *prog = CLVM_prog;
1000         const char* csprogsfn = NULL;
1001         unsigned char *csprogsdata = NULL;
1002         fs_offset_t csprogsdatasize = 0;
1003         int csprogsdatacrc, requiredcrc;
1004         int requiredsize;
1005         char vabuf[1024];
1006
1007         // reset csqc_progcrc after reading it, so that changing servers doesn't
1008         // expect csqc on the next server
1009         requiredcrc = csqc_progcrc.integer;
1010         requiredsize = csqc_progsize.integer;
1011         Cvar_SetValueQuick(&csqc_progcrc, -1);
1012         Cvar_SetValueQuick(&csqc_progsize, -1);
1013
1014         // if the server is not requesting a csprogs, then we're done here
1015         if (requiredcrc < 0)
1016                 return;
1017
1018         // see if the requested csprogs.dat file matches the requested crc
1019         csprogsdatacrc = -1;
1020         if (!cls.demoplayback || csqc_usedemoprogs.integer)
1021         {
1022                 csprogsfn = va(vabuf, sizeof(vabuf), "dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
1023                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
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, 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
1147         // call the prog init
1148         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1149
1150         cl.csqc_loaded = true;
1151
1152         cl.csqc_vidvars.drawcrosshair = false;
1153         cl.csqc_vidvars.drawenginesbar = false;
1154
1155         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1156         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1157 }
1158
1159 void CL_VM_ShutDown (void)
1160 {
1161         prvm_prog_t *prog = CLVM_prog;
1162         Cmd_ClearCsqcFuncs();
1163         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1164         //Cvar_SetValueQuick(&csqc_progsize, -1);
1165         if(!cl.csqc_loaded)
1166                 return;
1167         CSQC_BEGIN
1168                 PRVM_clientglobalfloat(time) = cl.time;
1169                 PRVM_clientglobaledict(self) = 0;
1170                 if (PRVM_clientfunction(CSQC_Shutdown))
1171                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1172                 PRVM_Prog_Reset(prog);
1173         CSQC_END
1174         Con_DPrint("CSQC ^1unloaded\n");
1175         cl.csqc_loaded = false;
1176 }
1177
1178 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1179 {
1180         prvm_prog_t *prog = CLVM_prog;
1181         prvm_edict_t *ed;
1182         dp_model_t *mod;
1183         matrix4x4_t matrix;
1184         qboolean r = 0;
1185
1186         CSQC_BEGIN;
1187
1188         // FIXME consider attachments here!
1189
1190         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1191
1192         if(!ed->priv.required->free)
1193         {
1194                 mod = CL_GetModelFromEdict(ed);
1195                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1196                 if(CL_GetTagMatrix(prog, &matrix, ed, 0) == 0)
1197                         Matrix4x4_OriginFromMatrix(&matrix, out);
1198                 if (mod && mod->soundfromcenter)
1199                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1200                 r = 1;
1201         }
1202
1203         CSQC_END;
1204
1205         return r;
1206 }
1207
1208 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1209 {
1210         prvm_prog_t *prog = CLVM_prog;
1211         qboolean ret = false;
1212         prvm_edict_t *ed;
1213         vec3_t forward, left, up, origin, ang;
1214         matrix4x4_t mat, matq;
1215
1216         CSQC_BEGIN
1217                 ed = PRVM_EDICT_NUM(entnum);
1218                 // camera:
1219                 //   camera_transform
1220                 if(PRVM_clientedictfunction(ed, camera_transform))
1221                 {
1222                         ret = true;
1223                         if(viewmatrix || clipplane || visorigin)
1224                         {
1225                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1226                                 AnglesFromVectors(ang, forward, up, false);
1227                                 PRVM_clientglobalfloat(time) = cl.time;
1228                                 PRVM_clientglobaledict(self) = entnum;
1229                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1230                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1231                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1232                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1233                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1234                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1235                                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1236                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1237                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1238                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1239                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1240                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1241                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1242                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1243                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1244                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1245                         }
1246                 }
1247         CSQC_END
1248
1249         return ret;
1250 }
1251
1252 int CL_VM_GetViewEntity(void)
1253 {
1254         if(cl.csqc_server2csqcentitynumber[cl.viewentity])
1255                 return cl.csqc_server2csqcentitynumber[cl.viewentity] + MAX_EDICTS;
1256         return cl.viewentity;
1257 }