csprogs.c

   1 /*
   2 Copyright (C) 2006-2021 DarkPlaces contributors
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 #include "quakedef.h"
  22 #include "progsvm.h"
  23 #include "clprogdefs.h"
  24 #include "csprogs.h"
  25 #include "cl_collision.h"
  26 #include "snd_main.h"
  27 #include "clvm_cmds.h"
  28 #include "prvm_cmds.h"
  29
  30 //============================================================================
  31 // Client prog handling
  32 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
  33
  34 #define CSQC_RETURNVAL  prog->globals.fp[OFS_RETURN]
  35
  36 void CL_VM_PreventInformationLeaks(void)
  37 {
  38         prvm_prog_t *prog = CLVM_prog;
  39
  40         if(!prog->loaded)
  41                 return;
  42
  43         VM_ClearTraceGlobals(prog);
  44         PRVM_clientglobalfloat(trace_networkentity) = 0;
  45 }
  46
  47 //[515]: these are required funcs
  48 static const char *cl_required_func[] =
  49 {
  50         "CSQC_Init",
  51         "CSQC_InputEvent",
  52         "CSQC_UpdateView",
  53         "CSQC_ConsoleCommand",
  54 };
  55
  56 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  57
  58 #define CL_REQFIELDS (sizeof(cl_reqfields) / sizeof(prvm_required_field_t))
  59
  60 prvm_required_field_t cl_reqfields[] =
  61 {
  62 #define PRVM_DECLARE_serverglobalfloat(x)
  63 #define PRVM_DECLARE_serverglobalvector(x)
  64 #define PRVM_DECLARE_serverglobalstring(x)
  65 #define PRVM_DECLARE_serverglobaledict(x)
  66 #define PRVM_DECLARE_serverglobalfunction(x)
  67 #define PRVM_DECLARE_clientglobalfloat(x)
  68 #define PRVM_DECLARE_clientglobalvector(x)
  69 #define PRVM_DECLARE_clientglobalstring(x)
  70 #define PRVM_DECLARE_clientglobaledict(x)
  71 #define PRVM_DECLARE_clientglobalfunction(x)
  72 #define PRVM_DECLARE_menuglobalfloat(x)
  73 #define PRVM_DECLARE_menuglobalvector(x)
  74 #define PRVM_DECLARE_menuglobalstring(x)
  75 #define PRVM_DECLARE_menuglobaledict(x)
  76 #define PRVM_DECLARE_menuglobalfunction(x)
  77 #define PRVM_DECLARE_serverfieldfloat(x)
  78 #define PRVM_DECLARE_serverfieldvector(x)
  79 #define PRVM_DECLARE_serverfieldstring(x)
  80 #define PRVM_DECLARE_serverfieldedict(x)
  81 #define PRVM_DECLARE_serverfieldfunction(x)
  82 #define PRVM_DECLARE_clientfieldfloat(x) {ev_float, #x },
  83 #define PRVM_DECLARE_clientfieldvector(x) {ev_vector, #x },
  84 #define PRVM_DECLARE_clientfieldstring(x) {ev_string, #x },
  85 #define PRVM_DECLARE_clientfieldedict(x) {ev_entity, #x },
  86 #define PRVM_DECLARE_clientfieldfunction(x) {ev_function, #x },
  87 #define PRVM_DECLARE_menufieldfloat(x)
  88 #define PRVM_DECLARE_menufieldvector(x)
  89 #define PRVM_DECLARE_menufieldstring(x)
  90 #define PRVM_DECLARE_menufieldedict(x)
  91 #define PRVM_DECLARE_menufieldfunction(x)
  92 #define PRVM_DECLARE_serverfunction(x)
  93 #define PRVM_DECLARE_clientfunction(x)
  94 #define PRVM_DECLARE_menufunction(x)
  95 #define PRVM_DECLARE_field(x)
  96 #define PRVM_DECLARE_global(x)
  97 #define PRVM_DECLARE_function(x)
  98 #include "prvm_offsets.h"
  99 #undef PRVM_DECLARE_serverglobalfloat
 100 #undef PRVM_DECLARE_serverglobalvector
 101 #undef PRVM_DECLARE_serverglobalstring
 102 #undef PRVM_DECLARE_serverglobaledict
 103 #undef PRVM_DECLARE_serverglobalfunction
 104 #undef PRVM_DECLARE_clientglobalfloat
 105 #undef PRVM_DECLARE_clientglobalvector
 106 #undef PRVM_DECLARE_clientglobalstring
 107 #undef PRVM_DECLARE_clientglobaledict
 108 #undef PRVM_DECLARE_clientglobalfunction
 109 #undef PRVM_DECLARE_menuglobalfloat
 110 #undef PRVM_DECLARE_menuglobalvector
 111 #undef PRVM_DECLARE_menuglobalstring
 112 #undef PRVM_DECLARE_menuglobaledict
 113 #undef PRVM_DECLARE_menuglobalfunction
 114 #undef PRVM_DECLARE_serverfieldfloat
 115 #undef PRVM_DECLARE_serverfieldvector
 116 #undef PRVM_DECLARE_serverfieldstring
 117 #undef PRVM_DECLARE_serverfieldedict
 118 #undef PRVM_DECLARE_serverfieldfunction
 119 #undef PRVM_DECLARE_clientfieldfloat
 120 #undef PRVM_DECLARE_clientfieldvector
 121 #undef PRVM_DECLARE_clientfieldstring
 122 #undef PRVM_DECLARE_clientfieldedict
 123 #undef PRVM_DECLARE_clientfieldfunction
 124 #undef PRVM_DECLARE_menufieldfloat
 125 #undef PRVM_DECLARE_menufieldvector
 126 #undef PRVM_DECLARE_menufieldstring
 127 #undef PRVM_DECLARE_menufieldedict
 128 #undef PRVM_DECLARE_menufieldfunction
 129 #undef PRVM_DECLARE_serverfunction
 130 #undef PRVM_DECLARE_clientfunction
 131 #undef PRVM_DECLARE_menufunction
 132 #undef PRVM_DECLARE_field
 133 #undef PRVM_DECLARE_global
 134 #undef PRVM_DECLARE_function
 135 };
 136
 137 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
 138
 139 prvm_required_field_t cl_reqglobals[] =
 140 {
 141 #define PRVM_DECLARE_serverglobalfloat(x)
 142 #define PRVM_DECLARE_serverglobalvector(x)
 143 #define PRVM_DECLARE_serverglobalstring(x)
 144 #define PRVM_DECLARE_serverglobaledict(x)
 145 #define PRVM_DECLARE_serverglobalfunction(x)
 146 #define PRVM_DECLARE_clientglobalfloat(x) {ev_float, #x},
 147 #define PRVM_DECLARE_clientglobalvector(x) {ev_vector, #x},
 148 #define PRVM_DECLARE_clientglobalstring(x) {ev_string, #x},
 149 #define PRVM_DECLARE_clientglobaledict(x) {ev_entity, #x},
 150 #define PRVM_DECLARE_clientglobalfunction(x) {ev_function, #x},
 151 #define PRVM_DECLARE_menuglobalfloat(x)
 152 #define PRVM_DECLARE_menuglobalvector(x)
 153 #define PRVM_DECLARE_menuglobalstring(x)
 154 #define PRVM_DECLARE_menuglobaledict(x)
 155 #define PRVM_DECLARE_menuglobalfunction(x)
 156 #define PRVM_DECLARE_serverfieldfloat(x)
 157 #define PRVM_DECLARE_serverfieldvector(x)
 158 #define PRVM_DECLARE_serverfieldstring(x)
 159 #define PRVM_DECLARE_serverfieldedict(x)
 160 #define PRVM_DECLARE_serverfieldfunction(x)
 161 #define PRVM_DECLARE_clientfieldfloat(x)
 162 #define PRVM_DECLARE_clientfieldvector(x)
 163 #define PRVM_DECLARE_clientfieldstring(x)
 164 #define PRVM_DECLARE_clientfieldedict(x)
 165 #define PRVM_DECLARE_clientfieldfunction(x)
 166 #define PRVM_DECLARE_menufieldfloat(x)
 167 #define PRVM_DECLARE_menufieldvector(x)
 168 #define PRVM_DECLARE_menufieldstring(x)
 169 #define PRVM_DECLARE_menufieldedict(x)
 170 #define PRVM_DECLARE_menufieldfunction(x)
 171 #define PRVM_DECLARE_serverfunction(x)
 172 #define PRVM_DECLARE_clientfunction(x)
 173 #define PRVM_DECLARE_menufunction(x)
 174 #define PRVM_DECLARE_field(x)
 175 #define PRVM_DECLARE_global(x)
 176 #define PRVM_DECLARE_function(x)
 177 #include "prvm_offsets.h"
 178 #undef PRVM_DECLARE_serverglobalfloat
 179 #undef PRVM_DECLARE_serverglobalvector
 180 #undef PRVM_DECLARE_serverglobalstring
 181 #undef PRVM_DECLARE_serverglobaledict
 182 #undef PRVM_DECLARE_serverglobalfunction
 183 #undef PRVM_DECLARE_clientglobalfloat
 184 #undef PRVM_DECLARE_clientglobalvector
 185 #undef PRVM_DECLARE_clientglobalstring
 186 #undef PRVM_DECLARE_clientglobaledict
 187 #undef PRVM_DECLARE_clientglobalfunction
 188 #undef PRVM_DECLARE_menuglobalfloat
 189 #undef PRVM_DECLARE_menuglobalvector
 190 #undef PRVM_DECLARE_menuglobalstring
 191 #undef PRVM_DECLARE_menuglobaledict
 192 #undef PRVM_DECLARE_menuglobalfunction
 193 #undef PRVM_DECLARE_serverfieldfloat
 194 #undef PRVM_DECLARE_serverfieldvector
 195 #undef PRVM_DECLARE_serverfieldstring
 196 #undef PRVM_DECLARE_serverfieldedict
 197 #undef PRVM_DECLARE_serverfieldfunction
 198 #undef PRVM_DECLARE_clientfieldfloat
 199 #undef PRVM_DECLARE_clientfieldvector
 200 #undef PRVM_DECLARE_clientfieldstring
 201 #undef PRVM_DECLARE_clientfieldedict
 202 #undef PRVM_DECLARE_clientfieldfunction
 203 #undef PRVM_DECLARE_menufieldfloat
 204 #undef PRVM_DECLARE_menufieldvector
 205 #undef PRVM_DECLARE_menufieldstring
 206 #undef PRVM_DECLARE_menufieldedict
 207 #undef PRVM_DECLARE_menufieldfunction
 208 #undef PRVM_DECLARE_serverfunction
 209 #undef PRVM_DECLARE_clientfunction
 210 #undef PRVM_DECLARE_menufunction
 211 #undef PRVM_DECLARE_field
 212 #undef PRVM_DECLARE_global
 213 #undef PRVM_DECLARE_function
 214 };
 215
 216 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
 217 {
 218         prvm_prog_t *prog = CLVM_prog;
 219
 220         if(prog->loaded)
 221         {
 222                 PRVM_clientglobalfloat(dmg_take) = dmg_take;
 223                 PRVM_clientglobalfloat(dmg_save) = dmg_save;
 224                 VectorCopy(dmg_origin, PRVM_clientglobalvector(dmg_origin));
 225         }
 226 }
 227
 228 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
 229 {
 230         prvm_prog_t *prog = CLVM_prog;
 231
 232         if(!prog->loaded)
 233                 return;
 234
 235         PRVM_clientglobalfloat(servertime) = newtime;
 236         PRVM_clientglobalfloat(serverprevtime) = oldtime;
 237         PRVM_clientglobalfloat(serverdeltatime) = newtime - oldtime;
 238 }
 239
 240 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
 241 static void CSQC_SetGlobals (double frametime)
 242 {
 243         vec3_t pmove_org;
 244         prvm_prog_t *prog = CLVM_prog;
 245
 246         PRVM_clientglobalfloat(time) = cl.time;
 247         PRVM_clientglobalfloat(cltime) = host.realtime; // Spike named it that way.
 248         PRVM_clientglobalfloat(frametime) = frametime;
 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         // LadyHavoc: 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, pmove_org);
 262         VectorCopy(pmove_org, PRVM_clientglobalvector(pmove_org));
 263         VectorCopy(cl.movement_velocity, PRVM_clientglobalvector(pmove_vel));
 264         PRVM_clientglobalfloat(pmove_onground) = cl.onground;
 265         PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
 266
 267         VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
 268         VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
 269         VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
 270         PRVM_clientglobalfloat(maxclients) = cl.maxclients;
 271
 272         PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
 273
 274         CSQC_R_RecalcView();
 275 }
 276
 277 void CSQC_Predraw (prvm_edict_t *ed)
 278 {
 279         prvm_prog_t *prog = CLVM_prog;
 280         int b;
 281         if(!PRVM_clientedictfunction(ed, predraw))
 282                 return;
 283         b = PRVM_clientglobaledict(self);
 284         PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 285         prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, predraw), "CSQC_Predraw: NULL function\n");
 286         PRVM_clientglobaledict(self) = b;
 287 }
 288
 289 void CSQC_Think (prvm_edict_t *ed)
 290 {
 291         prvm_prog_t *prog = CLVM_prog;
 292         int b;
 293         if(PRVM_clientedictfunction(ed, think))
 294         if(PRVM_clientedictfloat(ed, nextthink) && PRVM_clientedictfloat(ed, nextthink) <= PRVM_clientglobalfloat(time))
 295         {
 296                 PRVM_clientedictfloat(ed, nextthink) = 0;
 297                 b = PRVM_clientglobaledict(self);
 298                 PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 299                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, think), "CSQC_Think: NULL function\n");
 300                 PRVM_clientglobaledict(self) = b;
 301         }
 302 }
 303
 304 extern cvar_t cl_noplayershadow;
 305 qbool CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 306 {
 307         prvm_prog_t *prog = CLVM_prog;
 308         int renderflags;
 309         int c;
 310         float scale;
 311         entity_render_t *entrender;
 312         model_t *model;
 313         prvm_vec3_t modellight_origin;
 314
 315         model = CL_GetModelFromEdict(ed);
 316         if (!model)
 317                 return false;
 318
 319         if (edictnum)
 320         {
 321                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 322                         return false;
 323                 entrender = cl.csqcrenderentities + edictnum;
 324                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 325                 entrender->entitynumber = edictnum + MAX_EDICTS;
 326                 //entrender->shadertime = 0; // shadertime was set by spawn()
 327                 entrender->flags = 0;
 328                 entrender->effects = 0;
 329                 entrender->alpha = 1;
 330                 entrender->scale = 1;
 331                 VectorSet(entrender->colormod, 1, 1, 1);
 332                 VectorSet(entrender->glowmod, 1, 1, 1);
 333                 entrender->allowdecals = true;
 334         }
 335         else
 336         {
 337                 entrender = CL_NewTempEntity(0);
 338                 if (!entrender)
 339                         return false;
 340         }
 341
 342         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
 343         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
 344         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
 345         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
 346
 347         entrender->model = model;
 348         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
 349         entrender->effects |= entrender->model->effects;
 350         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
 351         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
 352         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
 353         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
 354         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
 355         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
 356         if (!entrender->alpha)
 357                 entrender->alpha = 1.0f;
 358         if (!entrender->scale)
 359                 entrender->scale = scale = 1.0f;
 360         if (!VectorLength2(entrender->colormod))
 361                 VectorSet(entrender->colormod, 1, 1, 1);
 362         if (!VectorLength2(entrender->glowmod))
 363                 VectorSet(entrender->glowmod, 1, 1, 1);
 364
 365         // LadyHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 366         // this also sets the custommodellight_origin for us
 367         CL_GetTagMatrix(prog, &entrender->matrix, ed, 0, modellight_origin);
 368         VectorCopy(modellight_origin, entrender->custommodellight_origin);
 369
 370         // set up the animation data
 371         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
 372         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, cl.time);
 373         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
 374         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
 375                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
 376
 377         // transparent offset
 378         if (renderflags & RF_USETRANSPARENTOFFSET)
 379                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
 380
 381         // model light
 382         if (renderflags & RF_MODELLIGHT)
 383         {
 384                 if (PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->custommodellight_ambient); else VectorClear(entrender->custommodellight_ambient);
 385                 if (PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->custommodellight_diffuse); else VectorClear(entrender->custommodellight_diffuse);
 386                 if (PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->custommodellight_lightdir);    else VectorClear(entrender->custommodellight_lightdir);
 387                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
 388         }
 389
 390         if(renderflags)
 391         {
 392                 if(renderflags & RF_VIEWMODEL) entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 393                 if(renderflags & RF_EXTERNALMODEL) entrender->flags |= RENDER_EXTERIORMODEL;
 394                 if(renderflags & RF_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
 395                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
 396                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
 397                 if(renderflags & RF_DYNAMICMODELLIGHT) entrender->flags |= RENDER_DYNAMICMODELLIGHT;
 398         }
 399
 400         c = (int)PRVM_clientedictfloat(ed, colormap);
 401         if (c <= 0)
 402                 CL_SetEntityColormapColors(entrender, -1);
 403         else if (c <= cl.maxclients && cl.scores != NULL)
 404                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 405         else
 406                 CL_SetEntityColormapColors(entrender, c);
 407
 408         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 409         // either fullbright or lit
 410         if(!r_fullbright.integer)
 411         {
 412                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 413                         entrender->flags |= RENDER_LIGHT;
 414         }
 415         // hide player shadow during intermission or nehahra movie
 416         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 417          &&  (entrender->alpha >= 1)
 418          && !(renderflags & RF_NOSHADOW)
 419          && !(entrender->flags & RENDER_VIEWMODEL)
 420          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 421                 entrender->flags |= RENDER_SHADOW;
 422         if (entrender->flags & RENDER_VIEWMODEL)
 423                 entrender->flags |= RENDER_NOSELFSHADOW;
 424         if (entrender->effects & EF_NOSELFSHADOW)
 425                 entrender->flags |= RENDER_NOSELFSHADOW;
 426         if (entrender->effects & EF_NODEPTHTEST)
 427                 entrender->flags |= RENDER_NODEPTHTEST;
 428         if (entrender->effects & EF_ADDITIVE)
 429                 entrender->flags |= RENDER_ADDITIVE;
 430         if (entrender->effects & EF_DOUBLESIDED)
 431                 entrender->flags |= RENDER_DOUBLESIDED;
 432         if (entrender->effects & EF_DYNAMICMODELLIGHT)
 433                 entrender->flags |= RENDER_DYNAMICMODELLIGHT;
 434
 435         // make the other useful stuff
 436         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 437         CL_UpdateRenderEntity(entrender);
 438
 439         // override animation data with full control
 440         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 441         if (ed->priv.server->skeleton.relativetransforms)
 442                 entrender->skeleton = &ed->priv.server->skeleton;
 443         else
 444                 entrender->skeleton = NULL;
 445
 446         return true;
 447 }
 448
 449 // 0 = keydown, key, character (EXT_CSQC)
 450 // 1 = keyup, key, character (EXT_CSQC)
 451 // 2 = mousemove relative, x, y (EXT_CSQC)
 452 // 3 = mousemove absolute, x, y (DP_CSQC)
 453 qbool CL_VM_InputEvent (int eventtype, float x, float y)
 454 {
 455         prvm_prog_t *prog = CLVM_prog;
 456         qbool r;
 457
 458         if(!prog->loaded)
 459                 return false;
 460
 461         if (!PRVM_clientfunction(CSQC_InputEvent))
 462                 r = false;
 463         else
 464         {
 465                 PRVM_clientglobalfloat(time) = cl.time;
 466                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 467                 PRVM_G_FLOAT(OFS_PARM0) = eventtype;
 468                 PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
 469                 PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
 470                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
 471                 r = CSQC_RETURNVAL != 0;
 472         }
 473         return r;
 474 }
 475
 476 extern r_refdef_view_t csqc_original_r_refdef_view;
 477 extern r_refdef_view_t csqc_main_r_refdef_view;
 478 qbool CL_VM_UpdateView (double frametime)
 479 {
 480         prvm_prog_t *prog = CLVM_prog;
 481         vec3_t emptyvector;
 482         emptyvector[0] = 0;
 483         emptyvector[1] = 0;
 484         emptyvector[2] = 0;
 485 //      vec3_t oldangles;
 486
 487         if(!prog->loaded)
 488                 return false;
 489
 490         R_TimeReport("pre-UpdateView");
 491
 492         csqc_original_r_refdef_view = r_refdef.view;
 493         csqc_main_r_refdef_view = r_refdef.view;
 494         //VectorCopy(cl.viewangles, oldangles);
 495         PRVM_clientglobalfloat(time) = cl.time;
 496         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 497         CSQC_SetGlobals(frametime);
 498         // clear renderable entity and light lists to prevent crashes if the
 499         // CSQC_UpdateView function does not call R_ClearScene as it should
 500         r_refdef.scene.numentities = 0;
 501         r_refdef.scene.numlights = 0;
 502         // polygonbegin without draw2d arg has to guess
 503         prog->polygonbegin_guess2d = false;
 504         // free memory for resources that are no longer referenced
 505         PRVM_GarbageCollection(prog);
 506         // pass in width and height and menu/focus state as parameters (EXT_CSQC_1)
 507         PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 508         PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 509         /*
 510          * This should be fine for now but FTEQW uses flags for keydest
 511          * and checks that an array called "eyeoffset" is 0
 512          *
 513          * Just a note in case there's compatibility problems later
 514          */
 515         PRVM_G_FLOAT(OFS_PARM2) = key_dest == key_game;
 516         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 517         //VectorCopy(oldangles, cl.viewangles);
 518         // Dresk : Reset Dmg Globals Here
 519         CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 520         r_refdef.view = csqc_main_r_refdef_view;
 521         R_RenderView_UpdateViewVectors(); // we have to do this, as we undid the scene render doing this for us
 522
 523         R_TimeReport("UpdateView");
 524         return true;
 525 }
 526
 527 qbool CL_VM_ConsoleCommand(const char *text, size_t textlen)
 528 {
 529         prvm_prog_t *prog = CLVM_prog;
 530         return PRVM_ConsoleCommand(prog, text, textlen, &prog->funcoffsets.CSQC_ConsoleCommand, false, cl.csqc_server2csqcentitynumber[cl.playerentity], cl.time, "QC function CSQC_ConsoleCommand is missing");
 531 }
 532
 533 qbool CL_VM_Parse_TempEntity (void)
 534 {
 535         prvm_prog_t *prog = CLVM_prog;
 536         int t;
 537         qbool r = false;
 538
 539         if(!prog->loaded)
 540                 return false;
 541
 542         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 543         {
 544                 t = cl_message.readcount;
 545                 PRVM_clientglobalfloat(time) = cl.time;
 546                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 547                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 548                 r = CSQC_RETURNVAL != 0;
 549                 if(!r)
 550                 {
 551                         cl_message.readcount = t;
 552                         cl_message.badread = false;
 553                 }
 554         }
 555         return r;
 556 }
 557
 558 void CL_VM_Parse_StuffCmd(const char *msg, size_t msg_len)
 559 {
 560         prvm_prog_t *prog = CLVM_prog;
 561         int restorevm_tempstringsbuf_cursize;
 562
 563         if(msg[0] == 'c')
 564         if(msg[1] == 's')
 565         if(msg[2] == 'q')
 566         if(msg[3] == 'c')
 567         {
 568                 // if this is setting a csqc variable, deprotect csqc_progcrc
 569                 // temporarily so that it can be set by the cvar command,
 570                 // and then reprotect it afterwards
 571                 int crcflags = csqc_progcrc.flags;
 572                 csqc_progcrc.flags &= ~CF_READONLY;
 573                 csqc_progsize.flags &= ~CF_READONLY;
 574                 Cmd_ExecuteString(cmd_local, msg, msg_len, src_local, true);
 575                 csqc_progcrc.flags = csqc_progsize.flags = crcflags;
 576                 return;
 577         }
 578
 579         if(!prog->loaded)
 580         {
 581                 Cbuf_AddText(cmd_local, msg);
 582                 return;
 583         }
 584
 585         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 586         {
 587                 PRVM_clientglobalfloat(time) = cl.time;
 588                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 589                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 590                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg, msg_len);
 591                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 592                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 593         }
 594         else
 595                 Cbuf_AddText(cmd_local, msg);
 596 }
 597
 598 static void CL_VM_Parse_Print(const char *msg, size_t msg_len)
 599 {
 600         prvm_prog_t *prog = CLVM_prog;
 601         int restorevm_tempstringsbuf_cursize;
 602         PRVM_clientglobalfloat(time) = cl.time;
 603         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 604         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 605         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg, msg_len);
 606         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 607         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 608 }
 609
 610 void CSQC_AddPrintText(const char *msg, size_t msg_len)
 611 {
 612         prvm_prog_t *prog = CLVM_prog;
 613         char *start = cl.csqc_printtextbuf + cl.csqc_printtextbuf_len;
 614         size_t writebytes = min(msg_len + 1, MAX_INPUTLINE - cl.csqc_printtextbuf_len);
 615
 616         if(prog->loaded && PRVM_clientfunction(CSQC_Parse_Print))
 617         {
 618                 if(msg[msg_len - 1] != '\n' && msg[msg_len - 1] != '\r')
 619                 {
 620                         if(cl.csqc_printtextbuf_len + msg_len + 1 >= MAX_INPUTLINE)
 621                         {
 622                                 CL_VM_Parse_Print(cl.csqc_printtextbuf, cl.csqc_printtextbuf_len);
 623                                 cl.csqc_printtextbuf[0] = '\0';
 624                                 cl.csqc_printtextbuf_len = 0;
 625                         }
 626                         else
 627                         {
 628                                 memcpy(start, msg, writebytes);
 629                                 cl.csqc_printtextbuf_len += msg_len;
 630                         }
 631                         return;
 632                 }
 633                 memcpy(start, msg, writebytes);
 634                 cl.csqc_printtextbuf_len += msg_len;
 635                 CL_VM_Parse_Print(cl.csqc_printtextbuf, cl.csqc_printtextbuf_len);
 636                 cl.csqc_printtextbuf[0] = '\0';
 637                 cl.csqc_printtextbuf_len = 0;
 638         }
 639         else
 640                 Con_Print(msg);
 641 }
 642
 643 void CL_VM_Parse_CenterPrint(const char *msg, size_t msg_len)
 644 {
 645         prvm_prog_t *prog = CLVM_prog;
 646         int restorevm_tempstringsbuf_cursize;
 647
 648         if(prog->loaded && PRVM_clientfunction(CSQC_Parse_CenterPrint))
 649         {
 650                 PRVM_clientglobalfloat(time) = cl.time;
 651                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 652                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 653                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg, msg_len);
 654                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 655                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 656         }
 657         else
 658                 SCR_CenterPrint(msg);
 659 }
 660
 661 void CL_VM_UpdateIntermissionState (int intermission)
 662 {
 663         prvm_prog_t *prog = CLVM_prog;
 664
 665         if(prog->loaded)
 666                 PRVM_clientglobalfloat(intermission) = intermission;
 667 }
 668 void CL_VM_UpdateShowingScoresState (int showingscores)
 669 {
 670         prvm_prog_t *prog = CLVM_prog;
 671
 672         if(prog->loaded)
 673                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 674 }
 675 qbool CL_VM_Event_Sound(int sound_num, float fvolume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
 676 {
 677         prvm_prog_t *prog = CLVM_prog;
 678         qbool r = false;
 679
 680         if(prog->loaded)
 681         {
 682                 if(PRVM_clientfunction(CSQC_Event_Sound))
 683                 {
 684                         PRVM_clientglobalfloat(time) = cl.time;
 685                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 686                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 687                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
 688                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, cl.sound_name[sound_num], strlen(cl.sound_name[sound_num]));
 689                         PRVM_G_FLOAT(OFS_PARM3) = fvolume;
 690                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 691                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 692                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
 693                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
 694                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 695                         r = CSQC_RETURNVAL != 0;
 696                 }
 697         }
 698
 699         return r;
 700 }
 701 static void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 702 {
 703         prvm_prog_t *prog = CLVM_prog;
 704         // Avoid global names for clean(er) coding
 705         int localcoop;
 706         int localdeathmatch;
 707
 708         if(prog->loaded)
 709         {
 710                 if(gametype == GAME_COOP)
 711                 {
 712                         localcoop = 1;
 713                         localdeathmatch = 0;
 714                 }
 715                 else if(gametype == GAME_DEATHMATCH)
 716                 {
 717                         localcoop = 0;
 718                         localdeathmatch = 1;
 719                 }
 720                 else
 721                 {
 722                         // How did the ServerInfo send an unknown gametype?
 723                         // Better just assign the globals as 0...
 724                         localcoop = 0;
 725                         localdeathmatch = 0;
 726                 }
 727                 PRVM_clientglobalfloat(coop) = localcoop;
 728                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 729         }
 730 }
 731 #if 0
 732 static float CL_VM_Event (float event)          //[515]: needed ? I'd say "YES", but don't know for what :D
 733 {
 734         prvm_prog_t *prog = CLVM_prog;
 735         float r = 0;
 736
 737         if(!prog->loaded)
 738                 return 0;
 739
 740         if(PRVM_clientfunction(CSQC_Event))
 741         {
 742                 PRVM_clientglobalfloat(time) = cl.time;
 743                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 744                 PRVM_G_FLOAT(OFS_PARM0) = event;
 745                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 746                 r = CSQC_RETURNVAL;
 747         }
 748         return r;
 749 }
 750 #endif
 751
 752 void CSQC_ReadEntities (void)
 753 {
 754         prvm_prog_t *prog = CLVM_prog;
 755         unsigned short entnum, oldself, realentnum;
 756
 757         if(!prog->loaded)
 758         {
 759                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 760                 return;
 761         }
 762
 763         PRVM_clientglobalfloat(time) = cl.time;
 764         oldself = PRVM_clientglobaledict(self);
 765         while(1)
 766         {
 767                 entnum = MSG_ReadShort(&cl_message);
 768                 if(!entnum || cl_message.badread)
 769                         break;
 770                 realentnum = entnum & 0x7FFF;
 771                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
 772                 if(entnum & 0x8000)
 773                 {
 774                         if(PRVM_clientglobaledict(self))
 775                         {
 776                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 777                                 cl.csqc_server2csqcentitynumber[realentnum] = 0;
 778                         }
 779                         else
 780                         {
 781                                 // LadyHavoc: removing an entity that is already gone on
 782                                 // the csqc side is possible for legitimate reasons (such
 783                                 // as a repeat of the remove message), so no warning is
 784                                 // needed
 785                                 //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 786                         }
 787                 }
 788                 else
 789                 {
 790                         if(!PRVM_clientglobaledict(self))
 791                         {
 792                                 if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 793                                 {
 794                                         prvm_edict_t    *ed;
 795                                         ed = PRVM_ED_Alloc(prog);
 796                                         PRVM_clientedictfloat(ed, entnum) = realentnum;
 797                                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 798                                 }
 799                                 else
 800                                 {
 801                                         // entity( float entnum ) CSQC_Ent_Spawn;
 802                                         // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 803                                         PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 804                                         // make sure no one gets wrong ideas
 805                                         PRVM_clientglobaledict(self) = 0;
 806                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 807                                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 808                                 }
 809                                 PRVM_G_FLOAT(OFS_PARM0) = 1;
 810                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 811                         }
 812                         else {
 813                                 PRVM_G_FLOAT(OFS_PARM0) = 0;
 814                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 815                         }
 816                 }
 817         }
 818         PRVM_clientglobaledict(self) = oldself;
 819 }
 820
 821 static void CLVM_begin_increase_edicts(prvm_prog_t *prog)
 822 {
 823         // links don't survive the transition, so unlink everything
 824         World_UnlinkAll(&cl.world);
 825 }
 826
 827 static void CLVM_end_increase_edicts(prvm_prog_t *prog)
 828 {
 829         int i;
 830         prvm_edict_t *ent;
 831
 832         // link every entity except world
 833         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 834                 if (!ent->free)
 835                         CL_LinkEdict(ent);
 836 }
 837
 838 static void CLVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
 839 {
 840         int edictnum = PRVM_NUM_FOR_EDICT(e);
 841         entity_render_t *entrender;
 842         CL_ExpandCSQCRenderEntities(edictnum);
 843         entrender = cl.csqcrenderentities + edictnum;
 844         e->priv.server->move = false; // don't move on first frame
 845         memset(entrender, 0, sizeof(*entrender));
 846         entrender->shadertime = cl.time;
 847 }
 848
 849 static void CLVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
 850 {
 851         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 852         R_DecalSystem_Reset(&entrender->decalsystem);
 853         memset(entrender, 0, sizeof(*entrender));
 854         World_UnlinkEdict(ed);
 855         memset(ed->fields.fp, 0, prog->entityfields * sizeof(prvm_vec_t));
 856         VM_RemoveEdictSkeleton(prog, ed);
 857 #ifdef USEODE
 858         World_Physics_RemoveFromEntity(&cl.world, ed);
 859         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 860 #endif
 861 }
 862
 863 static void CLVM_count_edicts(prvm_prog_t *prog)
 864 {
 865         int             i;
 866         prvm_edict_t    *ent;
 867         int             active = 0, models = 0, solid = 0;
 868
 869         for (i=0 ; i<prog->num_edicts ; i++)
 870         {
 871                 ent = PRVM_EDICT_NUM(i);
 872                 if (ent->free)
 873                         continue;
 874                 active++;
 875                 if (PRVM_clientedictfloat(ent, solid))
 876                         solid++;
 877                 if (PRVM_clientedictstring(ent, model))
 878                         models++;
 879         }
 880
 881         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 882         Con_Printf("active    :%3i\n", active);
 883         Con_Printf("view      :%3i\n", models);
 884         Con_Printf("touch     :%3i\n", solid);
 885 }
 886
 887 static qbool CLVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
 888 {
 889         return true;
 890 }
 891
 892 // returns true if the packet is valid, false if end of file is reached
 893 // used for dumping the CSQC download into demo files
 894 qbool MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 895 {
 896         int packetsize = buf->maxsize - 7; // byte short long
 897         int npackets = ((int)len + packetsize - 1) / (packetsize);
 898         char vabuf[1024];
 899
 900         if(protocol == PROTOCOL_QUAKEWORLD)
 901                 return false; // CSQC can't run in QW anyway
 902
 903         SZ_Clear(buf);
 904         if(cnt == 0)
 905         {
 906                 MSG_WriteByte(buf, svc_stufftext);
 907                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 908                 return true;
 909         }
 910         else if(cnt >= 1 && cnt <= npackets)
 911         {
 912                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 913                 int thispacketsize = (int)len - thispacketoffset;
 914                 if(thispacketsize > packetsize)
 915                         thispacketsize = packetsize;
 916
 917                 MSG_WriteByte(buf, svc_downloaddata);
 918                 MSG_WriteLong(buf, thispacketoffset);
 919                 MSG_WriteShort(buf, thispacketsize);
 920                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 921
 922                 return true;
 923         }
 924         else if(cnt == npackets + 1)
 925         {
 926                 MSG_WriteByte(buf, svc_stufftext);
 927                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 928                 return true;
 929         }
 930         return false;
 931 }
 932
 933 extern cvar_t csqc_usedemoprogs;
 934 void CL_VM_Init (void)
 935 {
 936         prvm_prog_t *prog = CLVM_prog;
 937         const char* csprogsfn = NULL;
 938         unsigned char *csprogsdata = NULL;
 939         fs_offset_t csprogsdatasize = 0;
 940         int csprogsdatacrc, requiredcrc;
 941         int requiredsize;
 942         char vabuf[1024];
 943
 944         // reset csqc_progcrc after reading it, so that changing servers doesn't
 945         // expect csqc on the next server
 946         requiredcrc = csqc_progcrc.integer;
 947         requiredsize = csqc_progsize.integer;
 948         Cvar_SetValueQuick(&csqc_progcrc, -1);
 949         Cvar_SetValueQuick(&csqc_progsize, -1);
 950
 951         // if the server is not requesting a csprogs, then we're done here
 952         if (requiredcrc < 0)
 953                 return;
 954
 955         // see if the requested csprogs.dat file matches the requested crc
 956         if (!cls.demoplayback || csqc_usedemoprogs.integer)
 957         {
 958                 csprogsfn = va(vabuf, sizeof(vabuf), "dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
 959                 if(cls.caughtcsprogsdata && cls.caughtcsprogsdatasize == requiredsize && CRC_Block(cls.caughtcsprogsdata, (size_t)cls.caughtcsprogsdatasize) == requiredcrc)
 960                 {
 961                         Con_DPrintf("Using buffered \"%s\"\n", csprogsfn);
 962                         csprogsdata = cls.caughtcsprogsdata;
 963                         csprogsdatasize = cls.caughtcsprogsdatasize;
 964                         cls.caughtcsprogsdata = NULL;
 965                         cls.caughtcsprogsdatasize = 0;
 966                 }
 967                 else
 968                 {
 969                         Con_DPrintf("Not using buffered \"%s\" (buffered: %p, %d)\n", csprogsfn, (void *)cls.caughtcsprogsdata, (int) cls.caughtcsprogsdatasize);
 970                         csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 971                 }
 972         }
 973         if (!csprogsdata)
 974         {
 975                 csprogsfn = csqc_progname.string;
 976                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
 977         }
 978         if (csprogsdata)
 979         {
 980                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
 981                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
 982                 {
 983                         if (cls.demoplayback)
 984                         {
 985                                 Con_Printf(CON_WARN "Warning: Your %s is not the same version as the demo was recorded with (CRC/size are %i/%i but should be %i/%i)\n", csqc_progname.string, csprogsdatacrc, (int)csprogsdatasize, requiredcrc, requiredsize);
 986                                 // Mem_Free(csprogsdata);
 987                                 // return;
 988                                 // We WANT to continue here, and play the demo with different csprogs!
 989                                 // After all, this is just a warning. Sure things may go wrong from here.
 990                         }
 991                         else
 992                         {
 993                                 Mem_Free(csprogsdata);
 994                                 CL_DisconnectEx(false, "Your %s is not the same version as the server (CRC is %i/%i but should be %i/%i)\n", csqc_progname.string, csprogsdatacrc, (int)csprogsdatasize, requiredcrc, requiredsize);
 995                                 return;
 996                         }
 997                 }
 998         }
 999         else
1000         {
1001                 if (requiredcrc >= 0)
1002                         CL_DisconnectEx(false, CON_ERROR "CL_VM_Init: %s requires CSQC, but \"%s\" wasn't found\n", cls.demoplayback ? "demo" : "server", csqc_progname.string);
1003                 return;
1004         }
1005
1006         PRVM_Prog_Init(prog, cmd_local);
1007
1008         // allocate the mempools
1009         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1010         prog->edictprivate_size = 0; // no private struct used
1011         prog->name = "client";
1012         prog->num_edicts = 1;
1013         prog->max_edicts = 512;
1014         prog->limit_edicts = CL_MAX_EDICTS;
1015         prog->reserved_edicts = 0;
1016         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1017         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1018         prog->extensionstring = vm_sv_extensions;
1019         prog->builtins = vm_cl_builtins;
1020         prog->numbuiltins = vm_cl_numbuiltins;
1021
1022         // all callbacks must be defined (pointers are not checked before calling)
1023         prog->begin_increase_edicts = CLVM_begin_increase_edicts;
1024         prog->end_increase_edicts   = CLVM_end_increase_edicts;
1025         prog->init_edict            = CLVM_init_edict;
1026         prog->free_edict            = CLVM_free_edict;
1027         prog->count_edicts          = CLVM_count_edicts;
1028         prog->load_edict            = CLVM_load_edict;
1029         prog->init_cmd              = CLVM_init_cmd;
1030         prog->reset_cmd             = CLVM_reset_cmd;
1031         prog->error_cmd             = Host_Error;
1032         prog->ExecuteProgram        = CLVM_ExecuteProgram;
1033
1034         PRVM_Prog_Load(prog, csprogsfn, csprogsdata, csprogsdatasize, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1035
1036         if (!prog->loaded)
1037         {
1038                 Mem_Free(csprogsdata);
1039                 Host_Error("CSQC %s failed to load\n", csprogsfn);
1040         }
1041
1042         if(cls.demorecording)
1043         {
1044                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1045                 {
1046                         int i;
1047                         static char buf[NET_MAXMESSAGE];
1048                         sizebuf_t sb;
1049                         unsigned char *demobuf; fs_offset_t demofilesize;
1050
1051                         sb.data = (unsigned char *) buf;
1052                         sb.maxsize = sizeof(buf);
1053                         i = 0;
1054
1055                         CL_CutDemo(&demobuf, &demofilesize);
1056                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1057                                 CL_WriteDemoMessage(&sb);
1058                         CL_PasteDemo(&demobuf, &demofilesize);
1059
1060                         cls.demo_lastcsprogssize = csprogsdatasize;
1061                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1062                 }
1063         }
1064         Mem_Free(csprogsdata);
1065
1066         // check if OP_STATE animation is possible in this dat file
1067         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1068                 prog->flag |= PRVM_OP_STATE;
1069
1070         // set time
1071         PRVM_clientglobalfloat(time) = cl.time;
1072         PRVM_clientglobaledict(self) = 0;
1073
1074         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(prog, cl.worldbasename);
1075         PRVM_clientglobalfloat(player_localnum) = cl.realplayerentity - 1;
1076         PRVM_clientglobalfloat(player_localentnum) = cl.viewentity;
1077
1078         // set map description (use world entity 0)
1079         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(prog, cl.worldmessage);
1080         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1081         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1082         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, absmin));
1083         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, absmax));
1084
1085         // call the prog init
1086         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1087
1088         // Once CSQC_Init was called, we consider csqc code fully initialized.
1089         prog->inittime = host.realtime;
1090
1091         cl.csqc_vidvars.drawcrosshair = false;
1092         cl.csqc_vidvars.drawenginesbar = false;
1093
1094         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1095         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1096 }
1097
1098 void CL_VM_ShutDown (void)
1099 {
1100         prvm_prog_t *prog = CLVM_prog;
1101         Cmd_ClearCSQCCommands(cmd_local);
1102
1103         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1104         //Cvar_SetValueQuick(&csqc_progsize, -1);
1105         if (prog->loaded)
1106         {
1107                 PRVM_clientglobalfloat(time) = cl.time;
1108                 PRVM_clientglobaledict(self) = 0;
1109                 if (PRVM_clientfunction(CSQC_Shutdown))
1110                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1111         }
1112         PRVM_Prog_Reset(prog);
1113         Con_DPrint("CSQC ^1unloaded\n");
1114 }
1115
1116 qbool CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1117 {
1118         prvm_prog_t *prog = CLVM_prog;
1119         prvm_edict_t *ed;
1120         model_t *mod;
1121         matrix4x4_t matrix;
1122         qbool r = 0;
1123
1124         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1125
1126         if(!ed->free)
1127         {
1128                 mod = CL_GetModelFromEdict(ed);
1129                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1130                 if(CL_GetTagMatrix(prog, &matrix, ed, 0, NULL) == 0)
1131                         Matrix4x4_OriginFromMatrix(&matrix, out);
1132                 if (mod && mod->soundfromcenter)
1133                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1134                 r = 1;
1135         }
1136
1137         return r;
1138 }
1139
1140 qbool CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1141 {
1142         prvm_prog_t *prog = CLVM_prog;
1143         qbool ret = false;
1144         prvm_edict_t *ed;
1145         vec3_t forward, left, up, origin, ang;
1146         matrix4x4_t mat, matq;
1147
1148         ed = PRVM_EDICT_NUM(entnum);
1149         // camera:
1150         //   camera_transform
1151         if(PRVM_clientedictfunction(ed, camera_transform))
1152         {
1153                 ret = true;
1154                 if(viewmatrix && clipplane && visorigin)
1155                 {
1156                         Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1157                         AnglesFromVectors(ang, forward, up, false);
1158                         PRVM_clientglobalfloat(time) = cl.time;
1159                         PRVM_clientglobaledict(self) = entnum;
1160                         VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1161                         VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1162                         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1163                         VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1164                         VectorCopy(up, PRVM_clientglobalvector(v_up));
1165                         VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1166                         prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1167                         VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1168                         VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1169                         VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1170                         VectorCopy(PRVM_clientglobalvector(v_up), up);
1171                         VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1172                         Matrix4x4_Invert_Full(&mat, viewmatrix);
1173                         Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1174                         Matrix4x4_Concat(&matq, viewmatrix, &mat);
1175                         Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, clipplane->normal_and_dist);
1176                 }
1177         }
1178
1179         return ret;
1180 }
1181
1182 int CL_VM_GetViewEntity(void)
1183 {
1184         if(cl.csqc_server2csqcentitynumber[cl.viewentity])
1185                 return cl.csqc_server2csqcentitynumber[cl.viewentity] + MAX_EDICTS;
1186         return cl.viewentity;
1187 }