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 extern r_refdef_view_t csqc_original_r_refdef_view;
 468 extern r_refdef_view_t csqc_main_r_refdef_view;
 469 qboolean CL_VM_UpdateView (void)
 470 {
 471         vec3_t emptyvector;
 472         emptyvector[0] = 0;
 473         emptyvector[1] = 0;
 474         emptyvector[2] = 0;
 475 //      vec3_t oldangles;
 476         if(!cl.csqc_loaded)
 477                 return false;
 478         R_TimeReport("pre-UpdateView");
 479         CSQC_BEGIN
 480                 r_refdef.view.ismain = true;
 481                 csqc_original_r_refdef_view = r_refdef.view;
 482                 csqc_main_r_refdef_view = r_refdef.view;
 483                 //VectorCopy(cl.viewangles, oldangles);
 484                 PRVM_clientglobalfloat(time) = cl.time;
 485                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 486                 CSQC_SetGlobals();
 487                 // clear renderable entity and light lists to prevent crashes if the
 488                 // CSQC_UpdateView function does not call R_ClearScene as it should
 489                 r_refdef.scene.numentities = 0;
 490                 r_refdef.scene.numlights = 0;
 491                 // pass in width and height as parameters (EXT_CSQC_1)
 492                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 493                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 494                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 495                 //VectorCopy(oldangles, cl.viewangles);
 496                 // Dresk : Reset Dmg Globals Here
 497                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 498                 r_refdef.view = csqc_main_r_refdef_view;
 499                 R_RenderView_UpdateViewVectors(); // we have to do this, as we undid the scene render doing this for us
 500         CSQC_END
 501
 502         R_TimeReport("UpdateView");
 503         return true;
 504 }
 505
 506 extern sizebuf_t vm_tempstringsbuf;
 507 qboolean CL_VM_ConsoleCommand (const char *cmd)
 508 {
 509         int restorevm_tempstringsbuf_cursize;
 510         qboolean r = false;
 511         if(!cl.csqc_loaded)
 512                 return false;
 513         CSQC_BEGIN
 514         if (PRVM_clientfunction(CSQC_ConsoleCommand))
 515         {
 516                 PRVM_clientglobalfloat(time) = cl.time;
 517                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 518                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 519                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 520                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
 521                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 522                 r = CSQC_RETURNVAL != 0;
 523         }
 524         CSQC_END
 525         return r;
 526 }
 527
 528 qboolean CL_VM_Parse_TempEntity (void)
 529 {
 530         int                     t;
 531         qboolean        r = false;
 532         if(!cl.csqc_loaded)
 533                 return false;
 534         CSQC_BEGIN
 535         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 536         {
 537                 t = msg_readcount;
 538                 PRVM_clientglobalfloat(time) = cl.time;
 539                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 540                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 541                 r = CSQC_RETURNVAL != 0;
 542                 if(!r)
 543                 {
 544                         msg_readcount = t;
 545                         msg_badread = false;
 546                 }
 547         }
 548         CSQC_END
 549         return r;
 550 }
 551
 552 void CL_VM_Parse_StuffCmd (const char *msg)
 553 {
 554         int restorevm_tempstringsbuf_cursize;
 555         if(msg[0] == 'c')
 556         if(msg[1] == 's')
 557         if(msg[2] == 'q')
 558         if(msg[3] == 'c')
 559         {
 560                 // if this is setting a csqc variable, deprotect csqc_progcrc
 561                 // temporarily so that it can be set by the cvar command,
 562                 // and then reprotect it afterwards
 563                 int crcflags = csqc_progcrc.flags;
 564                 int sizeflags = csqc_progcrc.flags;
 565                 csqc_progcrc.flags &= ~CVAR_READONLY;
 566                 csqc_progsize.flags &= ~CVAR_READONLY;
 567                 Cmd_ExecuteString (msg, src_command);
 568                 csqc_progcrc.flags = crcflags;
 569                 csqc_progsize.flags = sizeflags;
 570                 return;
 571         }
 572
 573         if(cls.demoplayback)
 574         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 575         {
 576                 // special handling for map download commands
 577                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 578                 // that way, there is no black screen when playing back demos
 579                 // I know this is a really ugly hack, but I can't think of any better way
 580                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 581                 // until all maps are loaded, then remove this hack
 582
 583                 char buf[MAX_INPUTLINE];
 584                 const char *p, *q;
 585                 size_t l;
 586
 587                 p = msg;
 588
 589                 for(;;)
 590                 {
 591                         q = strchr(p, '\n');
 592                         if(q)
 593                                 l = q - p;
 594                         else
 595                                 l = strlen(p);
 596                         if(l > sizeof(buf) - 1)
 597                                 l = sizeof(buf) - 1;
 598                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 599
 600                         Cmd_ExecuteString(buf, src_command);
 601
 602                         p += l;
 603                         if(*p == '\n')
 604                                 ++p; // skip the newline and continue
 605                         else
 606                                 break; // end of string or overflow
 607                 }
 608                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
 609                 return;
 610         }
 611
 612         if(!cl.csqc_loaded)
 613         {
 614                 Cbuf_AddText(msg);
 615                 return;
 616         }
 617         CSQC_BEGIN
 618         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 619         {
 620                 PRVM_clientglobalfloat(time) = cl.time;
 621                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 622                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 623                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 624                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 625                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 626         }
 627         else
 628                 Cbuf_AddText(msg);
 629         CSQC_END
 630 }
 631
 632 static void CL_VM_Parse_Print (const char *msg)
 633 {
 634         int restorevm_tempstringsbuf_cursize;
 635         PRVM_clientglobalfloat(time) = cl.time;
 636         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 637         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 638         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 639         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 640         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 641 }
 642
 643 void CSQC_AddPrintText (const char *msg)
 644 {
 645         size_t i;
 646         if(!cl.csqc_loaded)
 647         {
 648                 Con_Print(msg);
 649                 return;
 650         }
 651         CSQC_BEGIN
 652         if(PRVM_clientfunction(CSQC_Parse_Print))
 653         {
 654                 // FIXME: is this bugged?
 655                 i = strlen(msg)-1;
 656                 if(msg[i] != '\n' && msg[i] != '\r')
 657                 {
 658                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 659                         {
 660                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 661                                 cl.csqc_printtextbuf[0] = 0;
 662                         }
 663                         else
 664                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 665                         return;
 666                 }
 667                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 668                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 669                 cl.csqc_printtextbuf[0] = 0;
 670         }
 671         else
 672                 Con_Print(msg);
 673         CSQC_END
 674 }
 675
 676 void CL_VM_Parse_CenterPrint (const char *msg)
 677 {
 678         int restorevm_tempstringsbuf_cursize;
 679         if(!cl.csqc_loaded)
 680         {
 681                 SCR_CenterPrint(msg);
 682                 return;
 683         }
 684         CSQC_BEGIN
 685         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
 686         {
 687                 PRVM_clientglobalfloat(time) = cl.time;
 688                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 689                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 690                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 691                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 692                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 693         }
 694         else
 695                 SCR_CenterPrint(msg);
 696         CSQC_END
 697 }
 698
 699 void CL_VM_UpdateIntermissionState (int intermission)
 700 {
 701         if(cl.csqc_loaded)
 702         {
 703                 CSQC_BEGIN
 704                 PRVM_clientglobalfloat(intermission) = intermission;
 705                 CSQC_END
 706         }
 707 }
 708 void CL_VM_UpdateShowingScoresState (int showingscores)
 709 {
 710         if(cl.csqc_loaded)
 711         {
 712                 CSQC_BEGIN
 713                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 714                 CSQC_END
 715         }
 716 }
 717 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
 718 {
 719         qboolean r = false;
 720         if(cl.csqc_loaded)
 721         {
 722                 CSQC_BEGIN
 723                 if(PRVM_clientfunction(CSQC_Event_Sound))
 724                 {
 725                         PRVM_clientglobalfloat(time) = cl.time;
 726                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 727                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 728                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
 729                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 730                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 731                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 732                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 733                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
 734                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
 735                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 736                         r = CSQC_RETURNVAL != 0;
 737                 }
 738                 CSQC_END
 739         }
 740
 741         return r;
 742 }
 743 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 744 {
 745         // Avoid global names for clean(er) coding
 746         int localcoop;
 747         int localdeathmatch;
 748
 749         if(cl.csqc_loaded)
 750         {
 751                 if(gametype == GAME_COOP)
 752                 {
 753                         localcoop = 1;
 754                         localdeathmatch = 0;
 755                 }
 756                 else
 757                 if(gametype == GAME_DEATHMATCH)
 758                 {
 759                         localcoop = 0;
 760                         localdeathmatch = 1;
 761                 }
 762                 else
 763                 {
 764                         // How did the ServerInfo send an unknown gametype?
 765                         // Better just assign the globals as 0...
 766                         localcoop = 0;
 767                         localdeathmatch = 0;
 768                 }
 769                 CSQC_BEGIN
 770                 PRVM_clientglobalfloat(coop) = localcoop;
 771                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 772                 CSQC_END
 773         }
 774 }
 775 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 776 {
 777         float r = 0;
 778         if(!cl.csqc_loaded)
 779                 return 0;
 780         CSQC_BEGIN
 781         if(PRVM_clientfunction(CSQC_Event))
 782         {
 783                 PRVM_clientglobalfloat(time) = cl.time;
 784                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 785                 PRVM_G_FLOAT(OFS_PARM0) = event;
 786                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 787                 r = CSQC_RETURNVAL;
 788         }
 789         CSQC_END
 790         return r;
 791 }
 792
 793 void CSQC_ReadEntities (void)
 794 {
 795         unsigned short entnum, oldself, realentnum;
 796         if(!cl.csqc_loaded)
 797         {
 798                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 799                 return;
 800         }
 801
 802         CSQC_BEGIN
 803                 PRVM_clientglobalfloat(time) = cl.time;
 804                 oldself = PRVM_clientglobaledict(self);
 805                 while(1)
 806                 {
 807                         entnum = MSG_ReadShort();
 808                         if(!entnum || msg_badread)
 809                                 break;
 810                         realentnum = entnum & 0x7FFF;
 811                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
 812                         if(entnum & 0x8000)
 813                         {
 814                                 if(PRVM_clientglobaledict(self))
 815                                 {
 816                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 817                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 818                                 }
 819                                 else
 820                                 {
 821                                         // LordHavoc: removing an entity that is already gone on
 822                                         // the csqc side is possible for legitimate reasons (such
 823                                         // as a repeat of the remove message), so no warning is
 824                                         // needed
 825                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 826                                 }
 827                         }
 828                         else
 829                         {
 830                                 if(!PRVM_clientglobaledict(self))
 831                                 {
 832                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 833                                         {
 834                                                 prvm_edict_t    *ed;
 835                                                 ed = PRVM_ED_Alloc();
 836                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
 837                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 838                                         }
 839                                         else
 840                                         {
 841                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 842                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 843                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 844                                                 // make sure no one gets wrong ideas
 845                                                 PRVM_clientglobaledict(self) = 0;
 846                                                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 847                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 848                                         }
 849                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 850                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 851                                 }
 852                                 else {
 853                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 854                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 855                                 }
 856                         }
 857                 }
 858                 PRVM_clientglobaledict(self) = oldself;
 859         CSQC_END
 860 }
 861
 862 void CL_VM_CB_BeginIncreaseEdicts(void)
 863 {
 864         // links don't survive the transition, so unlink everything
 865         World_UnlinkAll(&cl.world);
 866 }
 867
 868 void CL_VM_CB_EndIncreaseEdicts(void)
 869 {
 870         int i;
 871         prvm_edict_t *ent;
 872
 873         // link every entity except world
 874         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 875                 if (!ent->priv.server->free)
 876                         CL_LinkEdict(ent);
 877 }
 878
 879 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 880 {
 881         int edictnum = PRVM_NUM_FOR_EDICT(e);
 882         entity_render_t *entrender;
 883         CL_ExpandCSQCRenderEntities(edictnum);
 884         entrender = cl.csqcrenderentities + edictnum;
 885         e->priv.server->move = false; // don't move on first frame
 886         memset(entrender, 0, sizeof(*entrender));
 887         entrender->shadertime = cl.time;
 888 }
 889
 890 extern void R_DecalSystem_Reset(decalsystem_t *decalsystem);
 891
 892 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 893 {
 894         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 895         R_DecalSystem_Reset(&entrender->decalsystem);
 896         memset(entrender, 0, sizeof(*entrender));
 897         World_UnlinkEdict(ed);
 898         memset(ed->fields.vp, 0, prog->entityfields * 4);
 899         VM_RemoveEdictSkeleton(ed);
 900         World_Physics_RemoveFromEntity(&cl.world, ed);
 901         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 902 }
 903
 904 void CL_VM_CB_CountEdicts(void)
 905 {
 906         int             i;
 907         prvm_edict_t    *ent;
 908         int             active = 0, models = 0, solid = 0;
 909
 910         for (i=0 ; i<prog->num_edicts ; i++)
 911         {
 912                 ent = PRVM_EDICT_NUM(i);
 913                 if (ent->priv.server->free)
 914                         continue;
 915                 active++;
 916                 if (PRVM_clientedictfloat(ent, solid))
 917                         solid++;
 918                 if (PRVM_clientedictstring(ent, model))
 919                         models++;
 920         }
 921
 922         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 923         Con_Printf("active    :%3i\n", active);
 924         Con_Printf("view      :%3i\n", models);
 925         Con_Printf("touch     :%3i\n", solid);
 926 }
 927
 928 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 929 {
 930         return true;
 931 }
 932
 933 void Cmd_ClearCsqcFuncs (void);
 934
 935 // returns true if the packet is valid, false if end of file is reached
 936 // used for dumping the CSQC download into demo files
 937 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 938 {
 939         int packetsize = buf->maxsize - 7; // byte short long
 940         int npackets = (len + packetsize - 1) / (packetsize);
 941
 942         if(protocol == PROTOCOL_QUAKEWORLD)
 943                 return false; // CSQC can't run in QW anyway
 944
 945         SZ_Clear(buf);
 946         if(cnt == 0)
 947         {
 948                 MSG_WriteByte(buf, svc_stufftext);
 949                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 950                 return true;
 951         }
 952         else if(cnt >= 1 && cnt <= npackets)
 953         {
 954                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 955                 int thispacketsize = len - thispacketoffset;
 956                 if(thispacketsize > packetsize)
 957                         thispacketsize = packetsize;
 958
 959                 MSG_WriteByte(buf, svc_downloaddata);
 960                 MSG_WriteLong(buf, thispacketoffset);
 961                 MSG_WriteShort(buf, thispacketsize);
 962                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 963
 964                 return true;
 965         }
 966         else if(cnt == npackets + 1)
 967         {
 968                 MSG_WriteByte(buf, svc_stufftext);
 969                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 970                 return true;
 971         }
 972         return false;
 973 }
 974
 975 extern cvar_t csqc_usedemoprogs;
 976 void CL_VM_Init (void)
 977 {
 978         const char* csprogsfn;
 979         unsigned char *csprogsdata = NULL;
 980         fs_offset_t csprogsdatasize;
 981         int csprogsdatacrc, requiredcrc;
 982         int requiredsize;
 983
 984         // reset csqc_progcrc after reading it, so that changing servers doesn't
 985         // expect csqc on the next server
 986         requiredcrc = csqc_progcrc.integer;
 987         requiredsize = csqc_progsize.integer;
 988         Cvar_SetValueQuick(&csqc_progcrc, -1);
 989         Cvar_SetValueQuick(&csqc_progsize, -1);
 990
 991         // if the server is not requesting a csprogs, then we're done here
 992         if (requiredcrc < 0)
 993                 return;
 994
 995         // see if the requested csprogs.dat file matches the requested crc
 996         csprogsdatacrc = -1;
 997         if (!cls.demoplayback || csqc_usedemoprogs.integer)
 998         {
 999                 csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
1000                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1001         }
1002         if (!csprogsdata)
1003         {
1004                 csprogsfn = csqc_progname.string;
1005                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1006         }
1007         if (csprogsdata)
1008         {
1009                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
1010                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
1011                 {
1012                         if (cls.demoplayback)
1013                         {
1014                                 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);
1015                                 // Mem_Free(csprogsdata);
1016                                 // return;
1017                                 // We WANT to continue here, and play the demo with different csprogs!
1018                                 // After all, this is just a warning. Sure things may go wrong from here.
1019                         }
1020                         else
1021                         {
1022                                 Mem_Free(csprogsdata);
1023                                 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);
1024                                 CL_Disconnect();
1025                                 return;
1026                         }
1027                 }
1028         }
1029         else
1030         {
1031                 if (requiredcrc >= 0)
1032                 {
1033                         if (cls.demoplayback)
1034                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1035                         else
1036                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1037                         CL_Disconnect();
1038                 }
1039                 return;
1040         }
1041
1042         PRVM_Begin;
1043         PRVM_InitProg(PRVM_CLIENTPROG);
1044
1045         // allocate the mempools
1046         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1047         prog->edictprivate_size = 0; // no private struct used
1048         prog->name = CL_NAME;
1049         prog->num_edicts = 1;
1050         prog->max_edicts = 512;
1051         prog->limit_edicts = CL_MAX_EDICTS;
1052         prog->reserved_edicts = 0;
1053         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1054         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1055         prog->extensionstring = vm_sv_extensions;
1056         prog->builtins = vm_cl_builtins;
1057         prog->numbuiltins = vm_cl_numbuiltins;
1058         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
1059         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
1060         prog->init_edict = CL_VM_CB_InitEdict;
1061         prog->free_edict = CL_VM_CB_FreeEdict;
1062         prog->count_edicts = CL_VM_CB_CountEdicts;
1063         prog->load_edict = CL_VM_CB_LoadEdict;
1064         prog->init_cmd = VM_CL_Cmd_Init;
1065         prog->reset_cmd = VM_CL_Cmd_Reset;
1066         prog->error_cmd = CL_VM_Error;
1067         prog->ExecuteProgram = CLVM_ExecuteProgram;
1068
1069         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1070
1071         if (!prog->loaded)
1072         {
1073                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
1074                 if(!sv.active)
1075                         CL_Disconnect();
1076                 Mem_Free(csprogsdata);
1077                 return;
1078         }
1079
1080         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1081
1082         if(cls.demorecording)
1083         {
1084                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1085                 {
1086                         int i;
1087                         static char buf[NET_MAXMESSAGE];
1088                         sizebuf_t sb;
1089                         unsigned char *demobuf; fs_offset_t demofilesize;
1090
1091                         sb.data = (unsigned char *) buf;
1092                         sb.maxsize = sizeof(buf);
1093                         i = 0;
1094
1095                         CL_CutDemo(&demobuf, &demofilesize);
1096                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1097                                 CL_WriteDemoMessage(&sb);
1098                         CL_PasteDemo(&demobuf, &demofilesize);
1099
1100                         cls.demo_lastcsprogssize = csprogsdatasize;
1101                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1102                 }
1103         }
1104         Mem_Free(csprogsdata);
1105
1106         // check if OP_STATE animation is possible in this dat file
1107         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1108                 prog->flag |= PRVM_OP_STATE;
1109
1110         // set time
1111         PRVM_clientglobalfloat(time) = cl.time;
1112         PRVM_clientglobaledict(self) = 0;
1113
1114         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(cl.worldname);
1115         PRVM_clientglobalfloat(player_localentnum) = cl.playerentity;
1116
1117         // set map description (use world entity 0)
1118         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(cl.worldmessage);
1119         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1120         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1121
1122         // call the prog init
1123         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1124
1125         PRVM_End;
1126         cl.csqc_loaded = true;
1127
1128         cl.csqc_vidvars.drawcrosshair = false;
1129         cl.csqc_vidvars.drawenginesbar = false;
1130
1131         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1132         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1133 }
1134
1135 void CL_VM_ShutDown (void)
1136 {
1137         Cmd_ClearCsqcFuncs();
1138         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1139         //Cvar_SetValueQuick(&csqc_progsize, -1);
1140         if(!cl.csqc_loaded)
1141                 return;
1142         CSQC_BEGIN
1143                 PRVM_clientglobalfloat(time) = cl.time;
1144                 PRVM_clientglobaledict(self) = 0;
1145                 if (PRVM_clientfunction(CSQC_Shutdown))
1146                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1147                 PRVM_ResetProg();
1148         CSQC_END
1149         Con_DPrint("CSQC ^1unloaded\n");
1150         cl.csqc_loaded = false;
1151 }
1152
1153 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1154 {
1155         prvm_edict_t *ed;
1156         dp_model_t *mod;
1157         matrix4x4_t matrix;
1158         qboolean r = 0;
1159
1160         CSQC_BEGIN;
1161
1162         // FIXME consider attachments here!
1163
1164         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1165
1166         if(!ed->priv.required->free)
1167         {
1168                 mod = CL_GetModelFromEdict(ed);
1169                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1170                 if(CL_GetTagMatrix (&matrix, ed, 0) == 0)
1171                         Matrix4x4_OriginFromMatrix(&matrix, out);
1172                 if (mod && mod->soundfromcenter)
1173                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1174                 r = 1;
1175         }
1176
1177         CSQC_END;
1178
1179         return r;
1180 }
1181
1182 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1183 {
1184         qboolean ret = false;
1185         prvm_edict_t *ed;
1186         vec3_t forward, left, up, origin, ang;
1187         matrix4x4_t mat, matq;
1188
1189         CSQC_BEGIN
1190                 ed = PRVM_EDICT_NUM(entnum);
1191                 // camera:
1192                 //   camera_transform
1193                 if(PRVM_clientedictfunction(ed, camera_transform))
1194                 {
1195                         ret = true;
1196                         if(viewmatrix || clipplane || visorigin)
1197                         {
1198                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1199                                 AnglesFromVectors(ang, forward, up, false);
1200                                 PRVM_clientglobalfloat(time) = cl.time;
1201                                 PRVM_clientglobaledict(self) = entnum;
1202                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1203                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1204                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1205                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1206                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1207                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1208                                 PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1209                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1210                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1211                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1212                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1213                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1214                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1215                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1216                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1217                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1218                         }
1219                 }
1220         CSQC_END
1221
1222         return ret;
1223 }