csprogs.c

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