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              csqc_tmpprog=prog;prog=0;PRVM_SetProg(PRVM_CLIENTPROG);
  16 #define CSQC_END                prog=csqc_tmpprog;
  17
  18 static prvm_prog_t *csqc_tmpprog;
  19
  20 void CL_VM_PreventInformationLeaks(void)
  21 {
  22         if(!cl.csqc_loaded)
  23                 return;
  24         CSQC_BEGIN
  25                 VM_ClearTraceGlobals();
  26                 PRVM_clientglobalfloat(trace_networkentity) = 0;
  27         CSQC_END
  28 }
  29
  30 //[515]: these are required funcs
  31 static const char *cl_required_func[] =
  32 {
  33         "CSQC_Init",
  34         "CSQC_InputEvent",
  35         "CSQC_UpdateView",
  36         "CSQC_ConsoleCommand",
  37 };
  38
  39 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  40
  41 #define CL_REQFIELDS (sizeof(cl_reqfields) / sizeof(prvm_required_field_t))
  42
  43 prvm_required_field_t cl_reqfields[] =
  44 {
  45 #define PRVM_DECLARE_serverglobalfloat(x)
  46 #define PRVM_DECLARE_serverglobalvector(x)
  47 #define PRVM_DECLARE_serverglobalstring(x)
  48 #define PRVM_DECLARE_serverglobaledict(x)
  49 #define PRVM_DECLARE_serverglobalfunction(x)
  50 #define PRVM_DECLARE_clientglobalfloat(x)
  51 #define PRVM_DECLARE_clientglobalvector(x)
  52 #define PRVM_DECLARE_clientglobalstring(x)
  53 #define PRVM_DECLARE_clientglobaledict(x)
  54 #define PRVM_DECLARE_clientglobalfunction(x)
  55 #define PRVM_DECLARE_menuglobalfloat(x)
  56 #define PRVM_DECLARE_menuglobalvector(x)
  57 #define PRVM_DECLARE_menuglobalstring(x)
  58 #define PRVM_DECLARE_menuglobaledict(x)
  59 #define PRVM_DECLARE_menuglobalfunction(x)
  60 #define PRVM_DECLARE_serverfieldfloat(x)
  61 #define PRVM_DECLARE_serverfieldvector(x)
  62 #define PRVM_DECLARE_serverfieldstring(x)
  63 #define PRVM_DECLARE_serverfieldedict(x)
  64 #define PRVM_DECLARE_serverfieldfunction(x)
  65 #define PRVM_DECLARE_clientfieldfloat(x) {ev_float, #x },
  66 #define PRVM_DECLARE_clientfieldvector(x) {ev_vector, #x },
  67 #define PRVM_DECLARE_clientfieldstring(x) {ev_string, #x },
  68 #define PRVM_DECLARE_clientfieldedict(x) {ev_entity, #x },
  69 #define PRVM_DECLARE_clientfieldfunction(x) {ev_function, #x },
  70 #define PRVM_DECLARE_menufieldfloat(x)
  71 #define PRVM_DECLARE_menufieldvector(x)
  72 #define PRVM_DECLARE_menufieldstring(x)
  73 #define PRVM_DECLARE_menufieldedict(x)
  74 #define PRVM_DECLARE_menufieldfunction(x)
  75 #define PRVM_DECLARE_serverfunction(x)
  76 #define PRVM_DECLARE_clientfunction(x)
  77 #define PRVM_DECLARE_menufunction(x)
  78 #define PRVM_DECLARE_field(x)
  79 #define PRVM_DECLARE_global(x)
  80 #define PRVM_DECLARE_function(x)
  81 #include "prvm_offsets.h"
  82 #undef PRVM_DECLARE_serverglobalfloat
  83 #undef PRVM_DECLARE_serverglobalvector
  84 #undef PRVM_DECLARE_serverglobalstring
  85 #undef PRVM_DECLARE_serverglobaledict
  86 #undef PRVM_DECLARE_serverglobalfunction
  87 #undef PRVM_DECLARE_clientglobalfloat
  88 #undef PRVM_DECLARE_clientglobalvector
  89 #undef PRVM_DECLARE_clientglobalstring
  90 #undef PRVM_DECLARE_clientglobaledict
  91 #undef PRVM_DECLARE_clientglobalfunction
  92 #undef PRVM_DECLARE_menuglobalfloat
  93 #undef PRVM_DECLARE_menuglobalvector
  94 #undef PRVM_DECLARE_menuglobalstring
  95 #undef PRVM_DECLARE_menuglobaledict
  96 #undef PRVM_DECLARE_menuglobalfunction
  97 #undef PRVM_DECLARE_serverfieldfloat
  98 #undef PRVM_DECLARE_serverfieldvector
  99 #undef PRVM_DECLARE_serverfieldstring
 100 #undef PRVM_DECLARE_serverfieldedict
 101 #undef PRVM_DECLARE_serverfieldfunction
 102 #undef PRVM_DECLARE_clientfieldfloat
 103 #undef PRVM_DECLARE_clientfieldvector
 104 #undef PRVM_DECLARE_clientfieldstring
 105 #undef PRVM_DECLARE_clientfieldedict
 106 #undef PRVM_DECLARE_clientfieldfunction
 107 #undef PRVM_DECLARE_menufieldfloat
 108 #undef PRVM_DECLARE_menufieldvector
 109 #undef PRVM_DECLARE_menufieldstring
 110 #undef PRVM_DECLARE_menufieldedict
 111 #undef PRVM_DECLARE_menufieldfunction
 112 #undef PRVM_DECLARE_serverfunction
 113 #undef PRVM_DECLARE_clientfunction
 114 #undef PRVM_DECLARE_menufunction
 115 #undef PRVM_DECLARE_field
 116 #undef PRVM_DECLARE_global
 117 #undef PRVM_DECLARE_function
 118 };
 119
 120 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
 121
 122 prvm_required_field_t cl_reqglobals[] =
 123 {
 124 #define PRVM_DECLARE_serverglobalfloat(x)
 125 #define PRVM_DECLARE_serverglobalvector(x)
 126 #define PRVM_DECLARE_serverglobalstring(x)
 127 #define PRVM_DECLARE_serverglobaledict(x)
 128 #define PRVM_DECLARE_serverglobalfunction(x)
 129 #define PRVM_DECLARE_clientglobalfloat(x) {ev_float, #x},
 130 #define PRVM_DECLARE_clientglobalvector(x) {ev_vector, #x},
 131 #define PRVM_DECLARE_clientglobalstring(x) {ev_string, #x},
 132 #define PRVM_DECLARE_clientglobaledict(x) {ev_entity, #x},
 133 #define PRVM_DECLARE_clientglobalfunction(x) {ev_function, #x},
 134 #define PRVM_DECLARE_menuglobalfloat(x)
 135 #define PRVM_DECLARE_menuglobalvector(x)
 136 #define PRVM_DECLARE_menuglobalstring(x)
 137 #define PRVM_DECLARE_menuglobaledict(x)
 138 #define PRVM_DECLARE_menuglobalfunction(x)
 139 #define PRVM_DECLARE_serverfieldfloat(x)
 140 #define PRVM_DECLARE_serverfieldvector(x)
 141 #define PRVM_DECLARE_serverfieldstring(x)
 142 #define PRVM_DECLARE_serverfieldedict(x)
 143 #define PRVM_DECLARE_serverfieldfunction(x)
 144 #define PRVM_DECLARE_clientfieldfloat(x)
 145 #define PRVM_DECLARE_clientfieldvector(x)
 146 #define PRVM_DECLARE_clientfieldstring(x)
 147 #define PRVM_DECLARE_clientfieldedict(x)
 148 #define PRVM_DECLARE_clientfieldfunction(x)
 149 #define PRVM_DECLARE_menufieldfloat(x)
 150 #define PRVM_DECLARE_menufieldvector(x)
 151 #define PRVM_DECLARE_menufieldstring(x)
 152 #define PRVM_DECLARE_menufieldedict(x)
 153 #define PRVM_DECLARE_menufieldfunction(x)
 154 #define PRVM_DECLARE_serverfunction(x)
 155 #define PRVM_DECLARE_clientfunction(x)
 156 #define PRVM_DECLARE_menufunction(x)
 157 #define PRVM_DECLARE_field(x)
 158 #define PRVM_DECLARE_global(x)
 159 #define PRVM_DECLARE_function(x)
 160 #include "prvm_offsets.h"
 161 #undef PRVM_DECLARE_serverglobalfloat
 162 #undef PRVM_DECLARE_serverglobalvector
 163 #undef PRVM_DECLARE_serverglobalstring
 164 #undef PRVM_DECLARE_serverglobaledict
 165 #undef PRVM_DECLARE_serverglobalfunction
 166 #undef PRVM_DECLARE_clientglobalfloat
 167 #undef PRVM_DECLARE_clientglobalvector
 168 #undef PRVM_DECLARE_clientglobalstring
 169 #undef PRVM_DECLARE_clientglobaledict
 170 #undef PRVM_DECLARE_clientglobalfunction
 171 #undef PRVM_DECLARE_menuglobalfloat
 172 #undef PRVM_DECLARE_menuglobalvector
 173 #undef PRVM_DECLARE_menuglobalstring
 174 #undef PRVM_DECLARE_menuglobaledict
 175 #undef PRVM_DECLARE_menuglobalfunction
 176 #undef PRVM_DECLARE_serverfieldfloat
 177 #undef PRVM_DECLARE_serverfieldvector
 178 #undef PRVM_DECLARE_serverfieldstring
 179 #undef PRVM_DECLARE_serverfieldedict
 180 #undef PRVM_DECLARE_serverfieldfunction
 181 #undef PRVM_DECLARE_clientfieldfloat
 182 #undef PRVM_DECLARE_clientfieldvector
 183 #undef PRVM_DECLARE_clientfieldstring
 184 #undef PRVM_DECLARE_clientfieldedict
 185 #undef PRVM_DECLARE_clientfieldfunction
 186 #undef PRVM_DECLARE_menufieldfloat
 187 #undef PRVM_DECLARE_menufieldvector
 188 #undef PRVM_DECLARE_menufieldstring
 189 #undef PRVM_DECLARE_menufieldedict
 190 #undef PRVM_DECLARE_menufieldfunction
 191 #undef PRVM_DECLARE_serverfunction
 192 #undef PRVM_DECLARE_clientfunction
 193 #undef PRVM_DECLARE_menufunction
 194 #undef PRVM_DECLARE_field
 195 #undef PRVM_DECLARE_global
 196 #undef PRVM_DECLARE_function
 197 };
 198
 199 void CL_VM_Error (const char *format, ...) DP_FUNC_PRINTF(1);
 200 void CL_VM_Error (const char *format, ...)      //[515]: hope it will be never executed =)
 201 {
 202         char errorstring[4096];
 203         va_list argptr;
 204
 205         va_start (argptr, format);
 206         dpvsnprintf (errorstring, sizeof(errorstring), format, argptr);
 207         va_end (argptr);
 208 //      Con_Printf( "CL_VM_Error: %s\n", errorstring );
 209
 210         PRVM_Crash();
 211         cl.csqc_loaded = false;
 212
 213         Cvar_SetValueQuick(&csqc_progcrc, -1);
 214         Cvar_SetValueQuick(&csqc_progsize, -1);
 215
 216 //      Host_AbortCurrentFrame();       //[515]: hmmm... if server says it needs csqc then client MUST disconnect
 217         Host_Error("CL_VM_Error: %s", errorstring);
 218 }
 219 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
 220 {
 221         if(cl.csqc_loaded)
 222         {
 223                 CSQC_BEGIN
 224                 PRVM_clientglobalfloat(dmg_take) = dmg_take;
 225                 PRVM_clientglobalfloat(dmg_save) = dmg_save;
 226                 VectorCopy(dmg_origin, PRVM_clientglobalvector(dmg_origin));
 227                 CSQC_END
 228         }
 229 }
 230
 231 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
 232 {
 233         if(!cl.csqc_loaded)
 234                 return;
 235         CSQC_BEGIN
 236         PRVM_clientglobalfloat(servertime) = newtime;
 237         PRVM_clientglobalfloat(serverprevtime) = oldtime;
 238         PRVM_clientglobalfloat(serverdeltatime) = newtime - oldtime;
 239         CSQC_END
 240 }
 241
 242 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
 243 void CSQC_R_RecalcView (void);
 244 static void CSQC_SetGlobals (void)
 245 {
 246         CSQC_BEGIN
 247                 PRVM_clientglobalfloat(time) = cl.time;
 248                 PRVM_clientglobalfloat(frametime) = max(0, cl.time - cl.oldtime);
 249                 PRVM_clientglobalfloat(servercommandframe) = cls.servermovesequence;
 250                 PRVM_clientglobalfloat(clientcommandframe) = cl.movecmd[0].sequence;
 251                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(input_angles));
 252                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
 253                 PRVM_clientglobalfloat(input_buttons) = cl.movecmd[0].buttons;
 254                 VectorSet(PRVM_clientglobalvector(input_movevalues), cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
 255                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
 256                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
 257
 258                 // LordHavoc: Spike says not to do this, but without pmove_org the
 259                 // CSQC is useless as it can't alter the view origin without
 260                 // completely replacing it
 261                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, PRVM_clientglobalvector(pmove_org));
 262                 VectorCopy(cl.movement_velocity, PRVM_clientglobalvector(pmove_vel));
 263                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
 264                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
 265
 266                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
 267                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
 268                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
 269                 PRVM_clientglobalfloat(maxclients) = cl.maxclients;
 270
 271                 CSQC_R_RecalcView();
 272         CSQC_END
 273 }
 274
 275 void CSQC_Predraw (prvm_edict_t *ed)
 276 {
 277         int b;
 278         if(!PRVM_clientedictfunction(ed, predraw))
 279                 return;
 280         b = PRVM_clientglobaledict(self);
 281         PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 282         PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, predraw), "CSQC_Predraw: NULL function\n");
 283         PRVM_clientglobaledict(self) = b;
 284 }
 285
 286 void CSQC_Think (prvm_edict_t *ed)
 287 {
 288         int b;
 289         if(PRVM_clientedictfunction(ed, think))
 290         if(PRVM_clientedictfloat(ed, nextthink) && PRVM_clientedictfloat(ed, nextthink) <= PRVM_clientglobalfloat(time))
 291         {
 292                 PRVM_clientedictfloat(ed, nextthink) = 0;
 293                 b = PRVM_clientglobaledict(self);
 294                 PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 295                 PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, think), "CSQC_Think: NULL function\n");
 296                 PRVM_clientglobaledict(self) = b;
 297         }
 298 }
 299
 300 extern cvar_t cl_noplayershadow;
 301 extern cvar_t r_equalize_entities_fullbright;
 302 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 303 {
 304         int renderflags;
 305         int c;
 306         float scale;
 307         entity_render_t *entrender;
 308         dp_model_t *model;
 309
 310         model = CL_GetModelFromEdict(ed);
 311         if (!model)
 312                 return false;
 313
 314         if (edictnum)
 315         {
 316                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 317                         return false;
 318                 entrender = cl.csqcrenderentities + edictnum;
 319                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 320                 entrender->entitynumber = edictnum + MAX_EDICTS;
 321                 //entrender->shadertime = 0; // shadertime was set by spawn()
 322                 entrender->flags = 0;
 323                 entrender->alpha = 1;
 324                 entrender->scale = 1;
 325                 VectorSet(entrender->colormod, 1, 1, 1);
 326                 VectorSet(entrender->glowmod, 1, 1, 1);
 327                 entrender->allowdecals = true;
 328         }
 329         else
 330         {
 331                 entrender = CL_NewTempEntity(0);
 332                 if (!entrender)
 333                         return false;
 334         }
 335
 336         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
 337         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
 338         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
 339         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
 340
 341         entrender->model = model;
 342         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
 343         entrender->effects |= entrender->model->effects;
 344         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
 345         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
 346         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
 347         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
 348         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
 349         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
 350         if (!entrender->alpha)
 351                 entrender->alpha = 1.0f;
 352         if (!entrender->scale)
 353                 entrender->scale = scale = 1.0f;
 354         if (!VectorLength2(entrender->colormod))
 355                 VectorSet(entrender->colormod, 1, 1, 1);
 356         if (!VectorLength2(entrender->glowmod))
 357                 VectorSet(entrender->glowmod, 1, 1, 1);
 358
 359         // LordHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 360         CL_GetTagMatrix(&entrender->matrix, ed, 0);
 361
 362         // set up the animation data
 363         VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
 364         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
 365         VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
 366         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
 367                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
 368
 369         // transparent offset
 370         if (renderflags & RF_USETRANSPARENTOFFSET)
 371                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
 372
 373         // model light
 374         if (renderflags & RF_MODELLIGHT)
 375         {
 376                 if(PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->modellight_ambient);
 377                 if(PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->modellight_diffuse);
 378                 if(PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->modellight_lightdir);
 379                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
 380         }
 381
 382         if(renderflags)
 383         {
 384                 if(renderflags & RF_VIEWMODEL) entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 385                 if(renderflags & RF_EXTERNALMODEL) entrender->flags |= RENDER_EXTERIORMODEL;
 386                 if(renderflags & RF_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
 387                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
 388                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
 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                 else if(r_equalize_entities_fullbright.integer)
 406                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 407         }
 408         // hide player shadow during intermission or nehahra movie
 409         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 410          &&  (entrender->alpha >= 1)
 411          && !(renderflags & RF_NOSHADOW)
 412          && !(entrender->flags & RENDER_VIEWMODEL)
 413          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 414                 entrender->flags |= RENDER_SHADOW;
 415         if (entrender->flags & RENDER_VIEWMODEL)
 416                 entrender->flags |= RENDER_NOSELFSHADOW;
 417         if (entrender->effects & EF_NOSELFSHADOW)
 418                 entrender->flags |= RENDER_NOSELFSHADOW;
 419         if (entrender->effects & EF_NODEPTHTEST)
 420                 entrender->flags |= RENDER_NODEPTHTEST;
 421         if (entrender->effects & EF_ADDITIVE)
 422                 entrender->flags |= RENDER_ADDITIVE;
 423         if (entrender->effects & EF_DOUBLESIDED)
 424                 entrender->flags |= RENDER_DOUBLESIDED;
 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         // override animation data with full control
 430         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 431         if (ed->priv.server->skeleton.relativetransforms)
 432                 entrender->skeleton = &ed->priv.server->skeleton;
 433         else
 434                 entrender->skeleton = NULL;
 435
 436         return true;
 437 }
 438
 439 // 0 = keydown, key, character (EXT_CSQC)
 440 // 1 = keyup, key, character (EXT_CSQC)
 441 // 2 = mousemove relative, x, y (EXT_CSQC)
 442 // 3 = mousemove absolute, x, y (DP_CSQC)
 443 qboolean CL_VM_InputEvent (int eventtype, int x, int y)
 444 {
 445         qboolean r;
 446
 447         if(!cl.csqc_loaded)
 448                 return false;
 449
 450         CSQC_BEGIN
 451                 if (!PRVM_clientfunction(CSQC_InputEvent))
 452                         r = false;
 453                 else
 454                 {
 455                         PRVM_clientglobalfloat(time) = cl.time;
 456                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 457                         PRVM_G_FLOAT(OFS_PARM0) = eventtype;
 458                         PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
 459                         PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
 460                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
 461                         r = CSQC_RETURNVAL != 0;
 462                 }
 463         CSQC_END
 464         return r;
 465 }
 466
 467 qboolean CL_VM_UpdateView (void)
 468 {
 469         vec3_t emptyvector;
 470         emptyvector[0] = 0;
 471         emptyvector[1] = 0;
 472         emptyvector[2] = 0;
 473 //      vec3_t oldangles;
 474         if(!cl.csqc_loaded)
 475                 return false;
 476         R_TimeReport("pre-UpdateView");
 477         CSQC_BEGIN
 478                 //VectorCopy(cl.viewangles, oldangles);
 479                 PRVM_clientglobalfloat(time) = cl.time;
 480                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 481                 CSQC_SetGlobals();
 482                 // clear renderable entity and light lists to prevent crashes if the
 483                 // CSQC_UpdateView function does not call R_ClearScene as it should
 484                 r_refdef.scene.numentities = 0;
 485                 r_refdef.scene.numlights = 0;
 486                 // pass in width and height as parameters (EXT_CSQC_1)
 487                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 488                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 489                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 490                 //VectorCopy(oldangles, cl.viewangles);
 491                 // Dresk : Reset Dmg Globals Here
 492                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 493         CSQC_END
 494         R_TimeReport("UpdateView");
 495         return true;
 496 }
 497
 498 extern sizebuf_t vm_tempstringsbuf;
 499 qboolean CL_VM_ConsoleCommand (const char *cmd)
 500 {
 501         int restorevm_tempstringsbuf_cursize;
 502         qboolean r = false;
 503         if(!cl.csqc_loaded)
 504                 return false;
 505         CSQC_BEGIN
 506         if (PRVM_clientfunction(CSQC_ConsoleCommand))
 507         {
 508                 PRVM_clientglobalfloat(time) = cl.time;
 509                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 510                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 511                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 512                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
 513                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 514                 r = CSQC_RETURNVAL != 0;
 515         }
 516         CSQC_END
 517         return r;
 518 }
 519
 520 qboolean CL_VM_Parse_TempEntity (void)
 521 {
 522         int                     t;
 523         qboolean        r = false;
 524         if(!cl.csqc_loaded)
 525                 return false;
 526         CSQC_BEGIN
 527         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 528         {
 529                 t = msg_readcount;
 530                 PRVM_clientglobalfloat(time) = cl.time;
 531                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 532                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 533                 r = CSQC_RETURNVAL != 0;
 534                 if(!r)
 535                 {
 536                         msg_readcount = t;
 537                         msg_badread = false;
 538                 }
 539         }
 540         CSQC_END
 541         return r;
 542 }
 543
 544 void CL_VM_Parse_StuffCmd (const char *msg)
 545 {
 546         int restorevm_tempstringsbuf_cursize;
 547         if(msg[0] == 'c')
 548         if(msg[1] == 's')
 549         if(msg[2] == 'q')
 550         if(msg[3] == 'c')
 551         {
 552                 // if this is setting a csqc variable, deprotect csqc_progcrc
 553                 // temporarily so that it can be set by the cvar command,
 554                 // and then reprotect it afterwards
 555                 int crcflags = csqc_progcrc.flags;
 556                 int sizeflags = csqc_progcrc.flags;
 557                 csqc_progcrc.flags &= ~CVAR_READONLY;
 558                 csqc_progsize.flags &= ~CVAR_READONLY;
 559                 Cmd_ExecuteString (msg, src_command);
 560                 csqc_progcrc.flags = crcflags;
 561                 csqc_progsize.flags = sizeflags;
 562                 return;
 563         }
 564
 565         if(cls.demoplayback)
 566         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 567         {
 568                 // special handling for map download commands
 569                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 570                 // that way, there is no black screen when playing back demos
 571                 // I know this is a really ugly hack, but I can't think of any better way
 572                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 573                 // until all maps are loaded, then remove this hack
 574
 575                 char buf[MAX_INPUTLINE];
 576                 const char *p, *q;
 577                 size_t l;
 578
 579                 p = msg;
 580
 581                 for(;;)
 582                 {
 583                         q = strchr(p, '\n');
 584                         if(q)
 585                                 l = q - p;
 586                         else
 587                                 l = strlen(p);
 588                         if(l > sizeof(buf) - 1)
 589                                 l = sizeof(buf) - 1;
 590                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 591
 592                         Cmd_ExecuteString(buf, src_command);
 593
 594                         p += l;
 595                         if(*p == '\n')
 596                                 ++p; // skip the newline and continue
 597                         else
 598                                 break; // end of string or overflow
 599                 }
 600                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
 601                 return;
 602         }
 603
 604         if(!cl.csqc_loaded)
 605         {
 606                 Cbuf_AddText(msg);
 607                 return;
 608         }
 609         CSQC_BEGIN
 610         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 611         {
 612                 PRVM_clientglobalfloat(time) = cl.time;
 613                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 614                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 615                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 616                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 617                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 618         }
 619         else
 620                 Cbuf_AddText(msg);
 621         CSQC_END
 622 }
 623
 624 static void CL_VM_Parse_Print (const char *msg)
 625 {
 626         int restorevm_tempstringsbuf_cursize;
 627         PRVM_clientglobalfloat(time) = cl.time;
 628         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 629         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 630         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 631         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 632         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 633 }
 634
 635 void CSQC_AddPrintText (const char *msg)
 636 {
 637         size_t i;
 638         if(!cl.csqc_loaded)
 639         {
 640                 Con_Print(msg);
 641                 return;
 642         }
 643         CSQC_BEGIN
 644         if(PRVM_clientfunction(CSQC_Parse_Print))
 645         {
 646                 // FIXME: is this bugged?
 647                 i = strlen(msg)-1;
 648                 if(msg[i] != '\n' && msg[i] != '\r')
 649                 {
 650                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 651                         {
 652                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 653                                 cl.csqc_printtextbuf[0] = 0;
 654                         }
 655                         else
 656                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 657                         return;
 658                 }
 659                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 660                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 661                 cl.csqc_printtextbuf[0] = 0;
 662         }
 663         else
 664                 Con_Print(msg);
 665         CSQC_END
 666 }
 667
 668 void CL_VM_Parse_CenterPrint (const char *msg)
 669 {
 670         int restorevm_tempstringsbuf_cursize;
 671         if(!cl.csqc_loaded)
 672         {
 673                 SCR_CenterPrint(msg);
 674                 return;
 675         }
 676         CSQC_BEGIN
 677         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
 678         {
 679                 PRVM_clientglobalfloat(time) = cl.time;
 680                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 681                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 682                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 683                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 684                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 685         }
 686         else
 687                 SCR_CenterPrint(msg);
 688         CSQC_END
 689 }
 690
 691 void CL_VM_UpdateIntermissionState (int intermission)
 692 {
 693         if(cl.csqc_loaded)
 694         {
 695                 CSQC_BEGIN
 696                 PRVM_clientglobalfloat(intermission) = intermission;
 697                 CSQC_END
 698         }
 699 }
 700 void CL_VM_UpdateShowingScoresState (int showingscores)
 701 {
 702         if(cl.csqc_loaded)
 703         {
 704                 CSQC_BEGIN
 705                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 706                 CSQC_END
 707         }
 708 }
 709 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos, float speed)
 710 {
 711         qboolean r = false;
 712         if(cl.csqc_loaded)
 713         {
 714                 CSQC_BEGIN
 715                 if(PRVM_clientfunction(CSQC_Event_Sound))
 716                 {
 717                         PRVM_clientglobalfloat(time) = cl.time;
 718                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 719                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 720                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
 721                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 722                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 723                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 724                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 725                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
 726                         PRVM_G_FLOAT(OFS_PARM7) = 0; // flags - none can come in at this point yet
 727                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 728                         r = CSQC_RETURNVAL != 0;
 729                 }
 730                 CSQC_END
 731         }
 732
 733         return r;
 734 }
 735 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 736 {
 737         // Avoid global names for clean(er) coding
 738         int localcoop;
 739         int localdeathmatch;
 740
 741         if(cl.csqc_loaded)
 742         {
 743                 if(gametype == GAME_COOP)
 744                 {
 745                         localcoop = 1;
 746                         localdeathmatch = 0;
 747                 }
 748                 else
 749                 if(gametype == GAME_DEATHMATCH)
 750                 {
 751                         localcoop = 0;
 752                         localdeathmatch = 1;
 753                 }
 754                 else
 755                 {
 756                         // How did the ServerInfo send an unknown gametype?
 757                         // Better just assign the globals as 0...
 758                         localcoop = 0;
 759                         localdeathmatch = 0;
 760                 }
 761                 CSQC_BEGIN
 762                 PRVM_clientglobalfloat(coop) = localcoop;
 763                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 764                 CSQC_END
 765         }
 766 }
 767 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 768 {
 769         float r = 0;
 770         if(!cl.csqc_loaded)
 771                 return 0;
 772         CSQC_BEGIN
 773         if(PRVM_clientfunction(CSQC_Event))
 774         {
 775                 PRVM_clientglobalfloat(time) = cl.time;
 776                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 777                 PRVM_G_FLOAT(OFS_PARM0) = event;
 778                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 779                 r = CSQC_RETURNVAL;
 780         }
 781         CSQC_END
 782         return r;
 783 }
 784
 785 void CSQC_ReadEntities (void)
 786 {
 787         unsigned short entnum, oldself, realentnum;
 788         if(!cl.csqc_loaded)
 789         {
 790                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 791                 return;
 792         }
 793
 794         CSQC_BEGIN
 795                 PRVM_clientglobalfloat(time) = cl.time;
 796                 oldself = PRVM_clientglobaledict(self);
 797                 while(1)
 798                 {
 799                         entnum = MSG_ReadShort();
 800                         if(!entnum || msg_badread)
 801                                 break;
 802                         realentnum = entnum & 0x7FFF;
 803                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
 804                         if(entnum & 0x8000)
 805                         {
 806                                 if(PRVM_clientglobaledict(self))
 807                                 {
 808                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 809                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 810                                 }
 811                                 else
 812                                 {
 813                                         // LordHavoc: removing an entity that is already gone on
 814                                         // the csqc side is possible for legitimate reasons (such
 815                                         // as a repeat of the remove message), so no warning is
 816                                         // needed
 817                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 818                                 }
 819                         }
 820                         else
 821                         {
 822                                 if(!PRVM_clientglobaledict(self))
 823                                 {
 824                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 825                                         {
 826                                                 prvm_edict_t    *ed;
 827                                                 ed = PRVM_ED_Alloc();
 828                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
 829                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 830                                         }
 831                                         else
 832                                         {
 833                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 834                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 835                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 836                                                 // make sure no one gets wrong ideas
 837                                                 PRVM_clientglobaledict(self) = 0;
 838                                                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 839                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 840                                         }
 841                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 842                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 843                                 }
 844                                 else {
 845                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 846                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 847                                 }
 848                         }
 849                 }
 850                 PRVM_clientglobaledict(self) = oldself;
 851         CSQC_END
 852 }
 853
 854 void CL_VM_CB_BeginIncreaseEdicts(void)
 855 {
 856         // links don't survive the transition, so unlink everything
 857         World_UnlinkAll(&cl.world);
 858 }
 859
 860 void CL_VM_CB_EndIncreaseEdicts(void)
 861 {
 862         int i;
 863         prvm_edict_t *ent;
 864
 865         // link every entity except world
 866         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 867                 if (!ent->priv.server->free)
 868                         CL_LinkEdict(ent);
 869 }
 870
 871 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 872 {
 873         int edictnum = PRVM_NUM_FOR_EDICT(e);
 874         entity_render_t *entrender;
 875         CL_ExpandCSQCRenderEntities(edictnum);
 876         entrender = cl.csqcrenderentities + edictnum;
 877         e->priv.server->move = false; // don't move on first frame
 878         memset(entrender, 0, sizeof(*entrender));
 879         entrender->shadertime = cl.time;
 880 }
 881
 882 extern void R_DecalSystem_Reset(decalsystem_t *decalsystem);
 883
 884 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 885 {
 886         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 887         R_DecalSystem_Reset(&entrender->decalsystem);
 888         memset(entrender, 0, sizeof(*entrender));
 889         World_UnlinkEdict(ed);
 890         memset(ed->fields.vp, 0, prog->entityfields * 4);
 891         VM_RemoveEdictSkeleton(ed);
 892         World_Physics_RemoveFromEntity(&cl.world, ed);
 893         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 894 }
 895
 896 void CL_VM_CB_CountEdicts(void)
 897 {
 898         int             i;
 899         prvm_edict_t    *ent;
 900         int             active = 0, models = 0, solid = 0;
 901
 902         for (i=0 ; i<prog->num_edicts ; i++)
 903         {
 904                 ent = PRVM_EDICT_NUM(i);
 905                 if (ent->priv.server->free)
 906                         continue;
 907                 active++;
 908                 if (PRVM_clientedictfloat(ent, solid))
 909                         solid++;
 910                 if (PRVM_clientedictstring(ent, model))
 911                         models++;
 912         }
 913
 914         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 915         Con_Printf("active    :%3i\n", active);
 916         Con_Printf("view      :%3i\n", models);
 917         Con_Printf("touch     :%3i\n", solid);
 918 }
 919
 920 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 921 {
 922         return true;
 923 }
 924
 925 void Cmd_ClearCsqcFuncs (void);
 926
 927 // returns true if the packet is valid, false if end of file is reached
 928 // used for dumping the CSQC download into demo files
 929 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 930 {
 931         int packetsize = buf->maxsize - 7; // byte short long
 932         int npackets = (len + packetsize - 1) / (packetsize);
 933
 934         if(protocol == PROTOCOL_QUAKEWORLD)
 935                 return false; // CSQC can't run in QW anyway
 936
 937         SZ_Clear(buf);
 938         if(cnt == 0)
 939         {
 940                 MSG_WriteByte(buf, svc_stufftext);
 941                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 942                 return true;
 943         }
 944         else if(cnt >= 1 && cnt <= npackets)
 945         {
 946                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 947                 int thispacketsize = len - thispacketoffset;
 948                 if(thispacketsize > packetsize)
 949                         thispacketsize = packetsize;
 950
 951                 MSG_WriteByte(buf, svc_downloaddata);
 952                 MSG_WriteLong(buf, thispacketoffset);
 953                 MSG_WriteShort(buf, thispacketsize);
 954                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 955
 956                 return true;
 957         }
 958         else if(cnt == npackets + 1)
 959         {
 960                 MSG_WriteByte(buf, svc_stufftext);
 961                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 962                 return true;
 963         }
 964         return false;
 965 }
 966
 967 extern cvar_t csqc_usedemoprogs;
 968 void CL_VM_Init (void)
 969 {
 970         const char* csprogsfn;
 971         unsigned char *csprogsdata = NULL;
 972         fs_offset_t csprogsdatasize;
 973         int csprogsdatacrc, requiredcrc;
 974         int requiredsize;
 975
 976         // reset csqc_progcrc after reading it, so that changing servers doesn't
 977         // expect csqc on the next server
 978         requiredcrc = csqc_progcrc.integer;
 979         requiredsize = csqc_progsize.integer;
 980         Cvar_SetValueQuick(&csqc_progcrc, -1);
 981         Cvar_SetValueQuick(&csqc_progsize, -1);
 982
 983         // if the server is not requesting a csprogs, then we're done here
 984         if (requiredcrc < 0)
 985                 return;
 986
 987         // see if the requested csprogs.dat file matches the requested crc
 988         csprogsdatacrc = -1;
 989         if (!cls.demoplayback || csqc_usedemoprogs.integer)
 990         {
 991                 csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 992                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 993         }
 994         if (!csprogsdata)
 995         {
 996                 csprogsfn = csqc_progname.string;
 997                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 998         }
 999         if (csprogsdata)
1000         {
1001                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
1002                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
1003                 {
1004                         if (cls.demoplayback)
1005                         {
1006                                 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);
1007                                 // Mem_Free(csprogsdata);
1008                                 // return;
1009                                 // We WANT to continue here, and play the demo with different csprogs!
1010                                 // After all, this is just a warning. Sure things may go wrong from here.
1011                         }
1012                         else
1013                         {
1014                                 Mem_Free(csprogsdata);
1015                                 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);
1016                                 CL_Disconnect();
1017                                 return;
1018                         }
1019                 }
1020         }
1021         else
1022         {
1023                 if (requiredcrc >= 0)
1024                 {
1025                         if (cls.demoplayback)
1026                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1027                         else
1028                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1029                         CL_Disconnect();
1030                 }
1031                 return;
1032         }
1033
1034         PRVM_Begin;
1035         PRVM_InitProg(PRVM_CLIENTPROG);
1036
1037         // allocate the mempools
1038         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1039         prog->edictprivate_size = 0; // no private struct used
1040         prog->name = CL_NAME;
1041         prog->num_edicts = 1;
1042         prog->max_edicts = 512;
1043         prog->limit_edicts = CL_MAX_EDICTS;
1044         prog->reserved_edicts = 0;
1045         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1046         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1047         prog->extensionstring = vm_sv_extensions;
1048         prog->builtins = vm_cl_builtins;
1049         prog->numbuiltins = vm_cl_numbuiltins;
1050         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
1051         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
1052         prog->init_edict = CL_VM_CB_InitEdict;
1053         prog->free_edict = CL_VM_CB_FreeEdict;
1054         prog->count_edicts = CL_VM_CB_CountEdicts;
1055         prog->load_edict = CL_VM_CB_LoadEdict;
1056         prog->init_cmd = VM_CL_Cmd_Init;
1057         prog->reset_cmd = VM_CL_Cmd_Reset;
1058         prog->error_cmd = CL_VM_Error;
1059         prog->ExecuteProgram = CLVM_ExecuteProgram;
1060
1061         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1062
1063         if (!prog->loaded)
1064         {
1065                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
1066                 if(!sv.active)
1067                         CL_Disconnect();
1068                 Mem_Free(csprogsdata);
1069                 return;
1070         }
1071
1072         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1073
1074         if(cls.demorecording)
1075         {
1076                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1077                 {
1078                         int i;
1079                         static char buf[NET_MAXMESSAGE];
1080                         sizebuf_t sb;
1081                         unsigned char *demobuf; fs_offset_t demofilesize;
1082
1083                         sb.data = (unsigned char *) buf;
1084                         sb.maxsize = sizeof(buf);
1085                         i = 0;
1086
1087                         CL_CutDemo(&demobuf, &demofilesize);
1088                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1089                                 CL_WriteDemoMessage(&sb);
1090                         CL_PasteDemo(&demobuf, &demofilesize);
1091
1092                         cls.demo_lastcsprogssize = csprogsdatasize;
1093                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1094                 }
1095         }
1096         Mem_Free(csprogsdata);
1097
1098         // check if OP_STATE animation is possible in this dat file
1099         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1100                 prog->flag |= PRVM_OP_STATE;
1101
1102         // set time
1103         PRVM_clientglobalfloat(time) = cl.time;
1104         PRVM_clientglobaledict(self) = 0;
1105
1106         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(cl.worldname);
1107         PRVM_clientglobalfloat(player_localentnum) = cl.playerentity;
1108
1109         // set map description (use world entity 0)
1110         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(cl.worldmessage);
1111         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1112         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1113
1114         // call the prog init
1115         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1116
1117         PRVM_End;
1118         cl.csqc_loaded = true;
1119
1120         cl.csqc_vidvars.drawcrosshair = false;
1121         cl.csqc_vidvars.drawenginesbar = false;
1122
1123         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1124         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1125 }
1126
1127 void CL_VM_ShutDown (void)
1128 {
1129         Cmd_ClearCsqcFuncs();
1130         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1131         //Cvar_SetValueQuick(&csqc_progsize, -1);
1132         if(!cl.csqc_loaded)
1133                 return;
1134         CSQC_BEGIN
1135                 PRVM_clientglobalfloat(time) = cl.time;
1136                 PRVM_clientglobaledict(self) = 0;
1137                 if (PRVM_clientfunction(CSQC_Shutdown))
1138                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1139                 PRVM_ResetProg();
1140         CSQC_END
1141         Con_DPrint("CSQC ^1unloaded\n");
1142         cl.csqc_loaded = false;
1143 }
1144
1145 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1146 {
1147         prvm_edict_t *ed;
1148         dp_model_t *mod;
1149         matrix4x4_t matrix;
1150         qboolean r = 0;
1151
1152         CSQC_BEGIN;
1153
1154         // FIXME consider attachments here!
1155
1156         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1157
1158         if(!ed->priv.required->free)
1159         {
1160                 mod = CL_GetModelFromEdict(ed);
1161                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1162                 if(CL_GetTagMatrix (&matrix, ed, 0) == 0)
1163                         Matrix4x4_OriginFromMatrix(&matrix, out);
1164                 if (mod && mod->soundfromcenter)
1165                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1166                 r = 1;
1167         }
1168
1169         CSQC_END;
1170
1171         return r;
1172 }
1173
1174 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1175 {
1176         qboolean ret = false;
1177         prvm_edict_t *ed;
1178         vec3_t forward, left, up, origin, ang;
1179         matrix4x4_t mat, matq;
1180
1181         CSQC_BEGIN
1182                 ed = PRVM_EDICT_NUM(entnum);
1183                 // camera:
1184                 //   camera_transform
1185                 if(PRVM_clientedictfunction(ed, camera_transform))
1186                 {
1187                         ret = true;
1188                         if(viewmatrix || clipplane || visorigin)
1189                         {
1190                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1191                                 AnglesFromVectors(ang, forward, up, false);
1192                                 PRVM_clientglobalfloat(time) = cl.time;
1193                                 PRVM_clientglobaledict(self) = entnum;
1194                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1195                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1196                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1197                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1198                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1199                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1200                                 PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1201                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1202                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1203                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1204                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1205                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1206                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1207                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1208                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1209                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1210                         }
1211                 }
1212         CSQC_END
1213
1214         return ret;
1215 }