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         if(renderflags)
 374         {
 375                 if(renderflags & RF_VIEWMODEL)  entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 376                 if(renderflags & RF_EXTERNALMODEL)entrender->flags |= RENDER_EXTERIORMODEL;
 377                 if(renderflags & RF_NOCULL)             entrender->flags |= RENDER_NOCULL;
 378                 if(renderflags & RF_DEPTHHACK)  entrender->flags |= RENDER_NODEPTHTEST;
 379                 if(renderflags & RF_ADDITIVE)           entrender->flags |= RENDER_ADDITIVE;
 380         }
 381
 382         c = (int)PRVM_clientedictfloat(ed, colormap);
 383         if (c <= 0)
 384                 CL_SetEntityColormapColors(entrender, -1);
 385         else if (c <= cl.maxclients && cl.scores != NULL)
 386                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 387         else
 388                 CL_SetEntityColormapColors(entrender, c);
 389
 390         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 391         // either fullbright or lit
 392         if(!r_fullbright.integer)
 393         {
 394                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 395                         entrender->flags |= RENDER_LIGHT;
 396                 else if(r_equalize_entities_fullbright.integer)
 397                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 398         }
 399         // hide player shadow during intermission or nehahra movie
 400         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 401          &&  (entrender->alpha >= 1)
 402          && !(renderflags & RF_NOSHADOW)
 403          && !(entrender->flags & RENDER_VIEWMODEL)
 404          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 405                 entrender->flags |= RENDER_SHADOW;
 406         if (entrender->flags & RENDER_VIEWMODEL)
 407                 entrender->flags |= RENDER_NOSELFSHADOW;
 408         if (entrender->effects & EF_NOSELFSHADOW)
 409                 entrender->flags |= RENDER_NOSELFSHADOW;
 410         if (entrender->effects & EF_NODEPTHTEST)
 411                 entrender->flags |= RENDER_NODEPTHTEST;
 412         if (entrender->effects & EF_ADDITIVE)
 413                 entrender->flags |= RENDER_ADDITIVE;
 414         if (entrender->effects & EF_DOUBLESIDED)
 415                 entrender->flags |= RENDER_DOUBLESIDED;
 416
 417         // make the other useful stuff
 418         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 419         CL_UpdateRenderEntity(entrender);
 420         // override animation data with full control
 421         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 422         if (ed->priv.server->skeleton.relativetransforms)
 423                 entrender->skeleton = &ed->priv.server->skeleton;
 424         else
 425                 entrender->skeleton = NULL;
 426
 427         return true;
 428 }
 429
 430 // 0 = keydown, key, character (EXT_CSQC)
 431 // 1 = keyup, key, character (EXT_CSQC)
 432 // 2 = mousemove relative, x, y (EXT_CSQC)
 433 // 3 = mousemove absolute, x, y (DP_CSQC)
 434 qboolean CL_VM_InputEvent (int eventtype, int x, int y)
 435 {
 436         qboolean r;
 437
 438         if(!cl.csqc_loaded)
 439                 return false;
 440
 441         CSQC_BEGIN
 442                 if (!PRVM_clientfunction(CSQC_InputEvent))
 443                         r = false;
 444                 else
 445                 {
 446                         PRVM_clientglobalfloat(time) = cl.time;
 447                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 448                         PRVM_G_FLOAT(OFS_PARM0) = eventtype;
 449                         PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
 450                         PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
 451                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
 452                         r = CSQC_RETURNVAL != 0;
 453                 }
 454         CSQC_END
 455         return r;
 456 }
 457
 458 qboolean CL_VM_UpdateView (void)
 459 {
 460         vec3_t emptyvector;
 461         emptyvector[0] = 0;
 462         emptyvector[1] = 0;
 463         emptyvector[2] = 0;
 464 //      vec3_t oldangles;
 465         if(!cl.csqc_loaded)
 466                 return false;
 467         R_TimeReport("pre-UpdateView");
 468         CSQC_BEGIN
 469                 //VectorCopy(cl.viewangles, oldangles);
 470                 PRVM_clientglobalfloat(time) = cl.time;
 471                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 472                 CSQC_SetGlobals();
 473                 // clear renderable entity and light lists to prevent crashes if the
 474                 // CSQC_UpdateView function does not call R_ClearScene as it should
 475                 r_refdef.scene.numentities = 0;
 476                 r_refdef.scene.numlights = 0;
 477                 // pass in width and height as parameters (EXT_CSQC_1)
 478                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 479                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 480                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 481                 //VectorCopy(oldangles, cl.viewangles);
 482                 // Dresk : Reset Dmg Globals Here
 483                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 484         CSQC_END
 485         R_TimeReport("UpdateView");
 486         return true;
 487 }
 488
 489 extern sizebuf_t vm_tempstringsbuf;
 490 qboolean CL_VM_ConsoleCommand (const char *cmd)
 491 {
 492         int restorevm_tempstringsbuf_cursize;
 493         qboolean r = false;
 494         if(!cl.csqc_loaded)
 495                 return false;
 496         CSQC_BEGIN
 497         if (PRVM_clientfunction(CSQC_ConsoleCommand))
 498         {
 499                 PRVM_clientglobalfloat(time) = cl.time;
 500                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 501                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 502                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(cmd);
 503                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
 504                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 505                 r = CSQC_RETURNVAL != 0;
 506         }
 507         CSQC_END
 508         return r;
 509 }
 510
 511 qboolean CL_VM_Parse_TempEntity (void)
 512 {
 513         int                     t;
 514         qboolean        r = false;
 515         if(!cl.csqc_loaded)
 516                 return false;
 517         CSQC_BEGIN
 518         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 519         {
 520                 t = msg_readcount;
 521                 PRVM_clientglobalfloat(time) = cl.time;
 522                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 523                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 524                 r = CSQC_RETURNVAL != 0;
 525                 if(!r)
 526                 {
 527                         msg_readcount = t;
 528                         msg_badread = false;
 529                 }
 530         }
 531         CSQC_END
 532         return r;
 533 }
 534
 535 void CL_VM_Parse_StuffCmd (const char *msg)
 536 {
 537         int restorevm_tempstringsbuf_cursize;
 538         if(msg[0] == 'c')
 539         if(msg[1] == 's')
 540         if(msg[2] == 'q')
 541         if(msg[3] == 'c')
 542         {
 543                 // if this is setting a csqc variable, deprotect csqc_progcrc
 544                 // temporarily so that it can be set by the cvar command,
 545                 // and then reprotect it afterwards
 546                 int crcflags = csqc_progcrc.flags;
 547                 int sizeflags = csqc_progcrc.flags;
 548                 csqc_progcrc.flags &= ~CVAR_READONLY;
 549                 csqc_progsize.flags &= ~CVAR_READONLY;
 550                 Cmd_ExecuteString (msg, src_command);
 551                 csqc_progcrc.flags = crcflags;
 552                 csqc_progsize.flags = sizeflags;
 553                 return;
 554         }
 555
 556         if(cls.demoplayback)
 557         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 558         {
 559                 // special handling for map download commands
 560                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 561                 // that way, there is no black screen when playing back demos
 562                 // I know this is a really ugly hack, but I can't think of any better way
 563                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 564                 // until all maps are loaded, then remove this hack
 565
 566                 char buf[MAX_INPUTLINE];
 567                 const char *p, *q;
 568                 size_t l;
 569
 570                 p = msg;
 571
 572                 for(;;)
 573                 {
 574                         q = strchr(p, '\n');
 575                         if(q)
 576                                 l = q - p;
 577                         else
 578                                 l = strlen(p);
 579                         if(l > sizeof(buf) - 1)
 580                                 l = sizeof(buf) - 1;
 581                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 582
 583                         Cmd_ExecuteString(buf, src_command);
 584
 585                         p += l;
 586                         if(*p == '\n')
 587                                 ++p; // skip the newline and continue
 588                         else
 589                                 break; // end of string or overflow
 590                 }
 591                 Cmd_ExecuteString("curl --clear_autodownload", src_command); // don't inhibit CSQC loading
 592                 return;
 593         }
 594
 595         if(!cl.csqc_loaded)
 596         {
 597                 Cbuf_AddText(msg);
 598                 return;
 599         }
 600         CSQC_BEGIN
 601         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 602         {
 603                 PRVM_clientglobalfloat(time) = cl.time;
 604                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 605                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 606                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 607                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 608                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 609         }
 610         else
 611                 Cbuf_AddText(msg);
 612         CSQC_END
 613 }
 614
 615 static void CL_VM_Parse_Print (const char *msg)
 616 {
 617         int restorevm_tempstringsbuf_cursize;
 618         PRVM_clientglobalfloat(time) = cl.time;
 619         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 620         restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 621         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 622         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 623         vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 624 }
 625
 626 void CSQC_AddPrintText (const char *msg)
 627 {
 628         size_t i;
 629         if(!cl.csqc_loaded)
 630         {
 631                 Con_Print(msg);
 632                 return;
 633         }
 634         CSQC_BEGIN
 635         if(PRVM_clientfunction(CSQC_Parse_Print))
 636         {
 637                 // FIXME: is this bugged?
 638                 i = strlen(msg)-1;
 639                 if(msg[i] != '\n' && msg[i] != '\r')
 640                 {
 641                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 642                         {
 643                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 644                                 cl.csqc_printtextbuf[0] = 0;
 645                         }
 646                         else
 647                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 648                         return;
 649                 }
 650                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 651                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 652                 cl.csqc_printtextbuf[0] = 0;
 653         }
 654         else
 655                 Con_Print(msg);
 656         CSQC_END
 657 }
 658
 659 void CL_VM_Parse_CenterPrint (const char *msg)
 660 {
 661         int restorevm_tempstringsbuf_cursize;
 662         if(!cl.csqc_loaded)
 663         {
 664                 SCR_CenterPrint(msg);
 665                 return;
 666         }
 667         CSQC_BEGIN
 668         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
 669         {
 670                 PRVM_clientglobalfloat(time) = cl.time;
 671                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 672                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 673                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(msg);
 674                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 675                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 676         }
 677         else
 678                 SCR_CenterPrint(msg);
 679         CSQC_END
 680 }
 681
 682 void CL_VM_UpdateIntermissionState (int intermission)
 683 {
 684         if(cl.csqc_loaded)
 685         {
 686                 CSQC_BEGIN
 687                 PRVM_clientglobalfloat(intermission) = intermission;
 688                 CSQC_END
 689         }
 690 }
 691 void CL_VM_UpdateShowingScoresState (int showingscores)
 692 {
 693         if(cl.csqc_loaded)
 694         {
 695                 CSQC_BEGIN
 696                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 697                 CSQC_END
 698         }
 699 }
 700 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos)
 701 {
 702         qboolean r = false;
 703         if(cl.csqc_loaded)
 704         {
 705                 CSQC_BEGIN
 706                 if(PRVM_clientfunction(CSQC_Event_Sound))
 707                 {
 708                         PRVM_clientglobalfloat(time) = cl.time;
 709                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 710                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 711                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
 712                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(cl.sound_name[sound_num] );
 713                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 714                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 715                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 716                         PRVM_G_FLOAT(OFS_PARM6) = 0; // pitch shift not supported yet
 717                         PRVM_G_FLOAT(OFS_PARM7) = 0; // flags - none can come in at this point yet
 718                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 719                         r = CSQC_RETURNVAL != 0;
 720                 }
 721                 CSQC_END
 722         }
 723
 724         return r;
 725 }
 726 void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 727 {
 728         // Avoid global names for clean(er) coding
 729         int localcoop;
 730         int localdeathmatch;
 731
 732         if(cl.csqc_loaded)
 733         {
 734                 if(gametype == GAME_COOP)
 735                 {
 736                         localcoop = 1;
 737                         localdeathmatch = 0;
 738                 }
 739                 else
 740                 if(gametype == GAME_DEATHMATCH)
 741                 {
 742                         localcoop = 0;
 743                         localdeathmatch = 1;
 744                 }
 745                 else
 746                 {
 747                         // How did the ServerInfo send an unknown gametype?
 748                         // Better just assign the globals as 0...
 749                         localcoop = 0;
 750                         localdeathmatch = 0;
 751                 }
 752                 CSQC_BEGIN
 753                 PRVM_clientglobalfloat(coop) = localcoop;
 754                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 755                 CSQC_END
 756         }
 757 }
 758 float CL_VM_Event (float event)         //[515]: needed ? I'd say "YES", but don't know for what :D
 759 {
 760         float r = 0;
 761         if(!cl.csqc_loaded)
 762                 return 0;
 763         CSQC_BEGIN
 764         if(PRVM_clientfunction(CSQC_Event))
 765         {
 766                 PRVM_clientglobalfloat(time) = cl.time;
 767                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 768                 PRVM_G_FLOAT(OFS_PARM0) = event;
 769                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 770                 r = CSQC_RETURNVAL;
 771         }
 772         CSQC_END
 773         return r;
 774 }
 775
 776 void CSQC_ReadEntities (void)
 777 {
 778         unsigned short entnum, oldself, realentnum;
 779         if(!cl.csqc_loaded)
 780         {
 781                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 782                 return;
 783         }
 784
 785         CSQC_BEGIN
 786                 PRVM_clientglobalfloat(time) = cl.time;
 787                 oldself = PRVM_clientglobaledict(self);
 788                 while(1)
 789                 {
 790                         entnum = MSG_ReadShort();
 791                         if(!entnum || msg_badread)
 792                                 break;
 793                         realentnum = entnum & 0x7FFF;
 794                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
 795                         if(entnum & 0x8000)
 796                         {
 797                                 if(PRVM_clientglobaledict(self))
 798                                 {
 799                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 800                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 801                                 }
 802                                 else
 803                                 {
 804                                         // LordHavoc: removing an entity that is already gone on
 805                                         // the csqc side is possible for legitimate reasons (such
 806                                         // as a repeat of the remove message), so no warning is
 807                                         // needed
 808                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 809                                 }
 810                         }
 811                         else
 812                         {
 813                                 if(!PRVM_clientglobaledict(self))
 814                                 {
 815                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 816                                         {
 817                                                 prvm_edict_t    *ed;
 818                                                 ed = PRVM_ED_Alloc();
 819                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
 820                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 821                                         }
 822                                         else
 823                                         {
 824                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 825                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 826                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 827                                                 // make sure no one gets wrong ideas
 828                                                 PRVM_clientglobaledict(self) = 0;
 829                                                 PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 830                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 831                                         }
 832                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 833                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 834                                 }
 835                                 else {
 836                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 837                                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 838                                 }
 839                         }
 840                 }
 841                 PRVM_clientglobaledict(self) = oldself;
 842         CSQC_END
 843 }
 844
 845 void CL_VM_CB_BeginIncreaseEdicts(void)
 846 {
 847         // links don't survive the transition, so unlink everything
 848         World_UnlinkAll(&cl.world);
 849 }
 850
 851 void CL_VM_CB_EndIncreaseEdicts(void)
 852 {
 853         int i;
 854         prvm_edict_t *ent;
 855
 856         // link every entity except world
 857         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 858                 if (!ent->priv.server->free)
 859                         CL_LinkEdict(ent);
 860 }
 861
 862 void CL_VM_CB_InitEdict(prvm_edict_t *e)
 863 {
 864         int edictnum = PRVM_NUM_FOR_EDICT(e);
 865         entity_render_t *entrender;
 866         CL_ExpandCSQCRenderEntities(edictnum);
 867         entrender = cl.csqcrenderentities + edictnum;
 868         e->priv.server->move = false; // don't move on first frame
 869         memset(entrender, 0, sizeof(*entrender));
 870         entrender->shadertime = cl.time;
 871 }
 872
 873 extern void R_DecalSystem_Reset(decalsystem_t *decalsystem);
 874
 875 void CL_VM_CB_FreeEdict(prvm_edict_t *ed)
 876 {
 877         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 878         R_DecalSystem_Reset(&entrender->decalsystem);
 879         memset(entrender, 0, sizeof(*entrender));
 880         World_UnlinkEdict(ed);
 881         memset(ed->fields.vp, 0, prog->entityfields * 4);
 882         VM_RemoveEdictSkeleton(ed);
 883         World_Physics_RemoveFromEntity(&cl.world, ed);
 884         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 885 }
 886
 887 void CL_VM_CB_CountEdicts(void)
 888 {
 889         int             i;
 890         prvm_edict_t    *ent;
 891         int             active = 0, models = 0, solid = 0;
 892
 893         for (i=0 ; i<prog->num_edicts ; i++)
 894         {
 895                 ent = PRVM_EDICT_NUM(i);
 896                 if (ent->priv.server->free)
 897                         continue;
 898                 active++;
 899                 if (PRVM_clientedictfloat(ent, solid))
 900                         solid++;
 901                 if (PRVM_clientedictstring(ent, model))
 902                         models++;
 903         }
 904
 905         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 906         Con_Printf("active    :%3i\n", active);
 907         Con_Printf("view      :%3i\n", models);
 908         Con_Printf("touch     :%3i\n", solid);
 909 }
 910
 911 qboolean CL_VM_CB_LoadEdict(prvm_edict_t *ent)
 912 {
 913         return true;
 914 }
 915
 916 void Cmd_ClearCsqcFuncs (void);
 917
 918 // returns true if the packet is valid, false if end of file is reached
 919 // used for dumping the CSQC download into demo files
 920 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 921 {
 922         int packetsize = buf->maxsize - 7; // byte short long
 923         int npackets = (len + packetsize - 1) / (packetsize);
 924
 925         if(protocol == PROTOCOL_QUAKEWORLD)
 926                 return false; // CSQC can't run in QW anyway
 927
 928         SZ_Clear(buf);
 929         if(cnt == 0)
 930         {
 931                 MSG_WriteByte(buf, svc_stufftext);
 932                 MSG_WriteString(buf, va("\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 933                 return true;
 934         }
 935         else if(cnt >= 1 && cnt <= npackets)
 936         {
 937                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 938                 int thispacketsize = len - thispacketoffset;
 939                 if(thispacketsize > packetsize)
 940                         thispacketsize = packetsize;
 941
 942                 MSG_WriteByte(buf, svc_downloaddata);
 943                 MSG_WriteLong(buf, thispacketoffset);
 944                 MSG_WriteShort(buf, thispacketsize);
 945                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 946
 947                 return true;
 948         }
 949         else if(cnt == npackets + 1)
 950         {
 951                 MSG_WriteByte(buf, svc_stufftext);
 952                 MSG_WriteString(buf, va("\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 953                 return true;
 954         }
 955         return false;
 956 }
 957
 958 void CL_VM_Init (void)
 959 {
 960         const char* csprogsfn;
 961         unsigned char *csprogsdata;
 962         fs_offset_t csprogsdatasize;
 963         int csprogsdatacrc, requiredcrc;
 964         int requiredsize;
 965
 966         // reset csqc_progcrc after reading it, so that changing servers doesn't
 967         // expect csqc on the next server
 968         requiredcrc = csqc_progcrc.integer;
 969         requiredsize = csqc_progsize.integer;
 970         Cvar_SetValueQuick(&csqc_progcrc, -1);
 971         Cvar_SetValueQuick(&csqc_progsize, -1);
 972
 973         // if the server is not requesting a csprogs, then we're done here
 974         if (requiredcrc < 0)
 975                 return;
 976
 977         // see if the requested csprogs.dat file matches the requested crc
 978         csprogsdatacrc = -1;
 979         csprogsfn = va("dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 980         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 981         if (!csprogsdata)
 982         {
 983                 csprogsfn = csqc_progname.string;
 984                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 985         }
 986         if (csprogsdata)
 987         {
 988                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
 989                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 990                 {
 991                         if (cls.demoplayback)
 992                         {
 993                                 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);
 994                                 // Mem_Free(csprogsdata);
 995                                 // return;
 996                                 // We WANT to continue here, and play the demo with different csprogs!
 997                                 // After all, this is just a warning. Sure things may go wrong from here.
 998                         }
 999                         else
1000                         {
1001                                 Mem_Free(csprogsdata);
1002                                 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);
1003                                 CL_Disconnect();
1004                                 return;
1005                         }
1006                 }
1007         }
1008         else
1009         {
1010                 if (requiredcrc >= 0)
1011                 {
1012                         if (cls.demoplayback)
1013                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1014                         else
1015                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1016                         CL_Disconnect();
1017                 }
1018                 return;
1019         }
1020
1021         PRVM_Begin;
1022         PRVM_InitProg(PRVM_CLIENTPROG);
1023
1024         // allocate the mempools
1025         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1026         prog->edictprivate_size = 0; // no private struct used
1027         prog->name = CL_NAME;
1028         prog->num_edicts = 1;
1029         prog->max_edicts = 512;
1030         prog->limit_edicts = CL_MAX_EDICTS;
1031         prog->reserved_edicts = 0;
1032         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1033         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1034         prog->extensionstring = vm_sv_extensions;
1035         prog->builtins = vm_cl_builtins;
1036         prog->numbuiltins = vm_cl_numbuiltins;
1037         prog->begin_increase_edicts = CL_VM_CB_BeginIncreaseEdicts;
1038         prog->end_increase_edicts = CL_VM_CB_EndIncreaseEdicts;
1039         prog->init_edict = CL_VM_CB_InitEdict;
1040         prog->free_edict = CL_VM_CB_FreeEdict;
1041         prog->count_edicts = CL_VM_CB_CountEdicts;
1042         prog->load_edict = CL_VM_CB_LoadEdict;
1043         prog->init_cmd = VM_CL_Cmd_Init;
1044         prog->reset_cmd = VM_CL_Cmd_Reset;
1045         prog->error_cmd = CL_VM_Error;
1046         prog->ExecuteProgram = CLVM_ExecuteProgram;
1047
1048         PRVM_LoadProgs(csprogsfn, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1049
1050         if (!prog->loaded)
1051         {
1052                 CL_VM_Error("CSQC %s ^2failed to load\n", csprogsfn);
1053                 if(!sv.active)
1054                         CL_Disconnect();
1055                 Mem_Free(csprogsdata);
1056                 return;
1057         }
1058
1059         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1060
1061         if(cls.demorecording)
1062         {
1063                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1064                 {
1065                         int i;
1066                         static char buf[NET_MAXMESSAGE];
1067                         sizebuf_t sb;
1068                         unsigned char *demobuf; fs_offset_t demofilesize;
1069
1070                         sb.data = (unsigned char *) buf;
1071                         sb.maxsize = sizeof(buf);
1072                         i = 0;
1073
1074                         CL_CutDemo(&demobuf, &demofilesize);
1075                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1076                                 CL_WriteDemoMessage(&sb);
1077                         CL_PasteDemo(&demobuf, &demofilesize);
1078
1079                         cls.demo_lastcsprogssize = csprogsdatasize;
1080                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1081                 }
1082         }
1083         Mem_Free(csprogsdata);
1084
1085         // check if OP_STATE animation is possible in this dat file
1086         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1087                 prog->flag |= PRVM_OP_STATE;
1088
1089         // set time
1090         PRVM_clientglobalfloat(time) = cl.time;
1091         PRVM_clientglobaledict(self) = 0;
1092
1093         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(cl.worldname);
1094         PRVM_clientglobalfloat(player_localentnum) = cl.playerentity;
1095
1096         // set map description (use world entity 0)
1097         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(cl.worldmessage);
1098         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1099         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1100
1101         // call the prog init
1102         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1103
1104         PRVM_End;
1105         cl.csqc_loaded = true;
1106
1107         cl.csqc_vidvars.drawcrosshair = false;
1108         cl.csqc_vidvars.drawenginesbar = false;
1109
1110         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1111         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1112 }
1113
1114 void CL_VM_ShutDown (void)
1115 {
1116         Cmd_ClearCsqcFuncs();
1117         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1118         //Cvar_SetValueQuick(&csqc_progsize, -1);
1119         if(!cl.csqc_loaded)
1120                 return;
1121         CSQC_BEGIN
1122                 PRVM_clientglobalfloat(time) = cl.time;
1123                 PRVM_clientglobaledict(self) = 0;
1124                 if (PRVM_clientfunction(CSQC_Shutdown))
1125                         PRVM_ExecuteProgram(PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1126                 PRVM_ResetProg();
1127         CSQC_END
1128         Con_DPrint("CSQC ^1unloaded\n");
1129         cl.csqc_loaded = false;
1130 }
1131
1132 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1133 {
1134         prvm_edict_t *ed;
1135         dp_model_t *mod;
1136         matrix4x4_t matrix;
1137         qboolean r = 0;
1138
1139         CSQC_BEGIN;
1140
1141         // FIXME consider attachments here!
1142
1143         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1144
1145         if(!ed->priv.required->free)
1146         {
1147                 mod = CL_GetModelFromEdict(ed);
1148                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1149                 if(CL_GetTagMatrix (&matrix, ed, 0) == 0)
1150                         Matrix4x4_OriginFromMatrix(&matrix, out);
1151                 if (mod && mod->soundfromcenter)
1152                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1153                 r = 1;
1154         }
1155
1156         CSQC_END;
1157
1158         return r;
1159 }
1160
1161 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1162 {
1163         qboolean ret = false;
1164         prvm_edict_t *ed;
1165         vec3_t forward, left, up, origin, ang;
1166         matrix4x4_t mat, matq;
1167
1168         CSQC_BEGIN
1169                 ed = PRVM_EDICT_NUM(entnum);
1170                 // camera:
1171                 //   camera_transform
1172                 if(PRVM_clientedictfunction(ed, camera_transform))
1173                 {
1174                         ret = true;
1175                         if(viewmatrix || clipplane || visorigin)
1176                         {
1177                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1178                                 AnglesFromVectors(ang, forward, up, false);
1179                                 PRVM_clientglobalfloat(time) = cl.time;
1180                                 PRVM_clientglobaledict(self) = entnum;
1181                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1182                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1183                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1184                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1185                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1186                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1187                                 PRVM_ExecuteProgram(PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1188                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1189                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1190                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1191                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1192                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1193                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1194                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1195                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1196                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1197                         }
1198                 }
1199         CSQC_END
1200
1201         return ret;
1202 }