Source/OpenGL_Windows.cpp

   1
   2 #ifdef WIN32
   3 #include <vld.h>
   4 #endif
   5
   6 #include "Game.h"
   7
   8 #ifndef USE_DEVIL
   9 #  ifdef WIN32
  10 #    define USE_DEVIL
  11 #  endif
  12 #endif
  13
  14 #if USE_DEVIL
  15     #include "IL/il.h"
  16     #include "IL/ilu.h"
  17     #include "IL/ilut.h"
  18 #else
  19     // just use libpng and libjpg directly; it's lighter-weight and easier
  20     //  to manage the dependencies on Linux...
  21     extern "C" {
  22         #include "png.h"
  23         #include "jpeglib.h"
  24     }
  25     static bool load_image(const char * fname, TGAImageRec & tex);
  26     static bool load_png(const char * fname, TGAImageRec & tex);
  27     static bool load_jpg(const char * fname, TGAImageRec & tex);
  28     static bool save_image(const char * fname);
  29     static bool save_png(const char * fname);
  30 #endif
  31
  32 // ADDED GWC
  33 #ifdef _MSC_VER
  34 #pragma comment(lib, "opengl32.lib")
  35 #pragma comment(lib, "glu32.lib")
  36 #pragma comment(lib, "glaux.lib")
  37 #endif
  38
  39 extern bool buttons[3];
  40 extern float multiplier;
  41 extern float screenwidth,screenheight;
  42 extern float sps;
  43 extern float realmultiplier;
  44 extern int slomo;
  45 extern bool ismotionblur;
  46 extern float usermousesensitivity;
  47 extern int detail;
  48 extern bool floatjump;
  49 extern bool cellophane;
  50 // MODIFIED GWC
  51 //extern int terraindetail;
  52 //extern int texdetail;
  53 extern float terraindetail;
  54 extern float texdetail;
  55 extern int bloodtoggle;
  56 extern bool osx;
  57 extern bool autoslomo;
  58 extern bool foliage;
  59 extern bool musictoggle;
  60 extern bool trilinear;
  61 extern float gamespeed;
  62 extern int difficulty;
  63 extern bool damageeffects;
  64 extern int numplayers;
  65 extern bool decals;
  66 extern bool invertmouse;
  67 extern bool texttoggle;
  68 extern bool ambientsound;
  69 extern bool mousejump;
  70 extern bool freeze;
  71 extern Person player[maxplayers];
  72 extern bool vblsync;
  73 extern bool stillloading;
  74 extern bool showpoints;
  75 extern bool alwaysblur;
  76 extern bool immediate;
  77 extern bool velocityblur;
  78 extern bool debugmode;
  79 extern int mainmenu;
  80 /*extern*/ bool gameFocused;
  81 extern int kBitsPerPixel;
  82 extern float slomospeed;
  83 extern float slomofreq;
  84 extern float oldgamespeed;
  85 extern float volume;
  86
  87 #include <math.h>
  88 #include <stdio.h>
  89 #include <string.h>
  90 #include <fstream>
  91 #include <iostream>
  92 #include "gamegl.h"
  93 #include "MacCompatibility.h"
  94
  95 #ifdef WIN32
  96 #include <shellapi.h>
  97 #endif
  98
  99 #include "fmod.h"
 100
 101 #include "res/resource.h"
 102
 103 using namespace std;
 104
 105
 106 unsigned int resolutionDepths[8][2] = {0};
 107
 108 bool selectDetail(int & width, int & height, int & bpp, int & detail);
 109 int closestResolution(int width, int height);
 110 int resolutionID(int width, int height);
 111
 112 void ReportError (char * strError);
 113
 114 void SetupDSpFullScreen();
 115 void ShutdownDSp();
 116
 117 void DrawGL(Game & game);
 118
 119 void CreateGLWindow (void);
 120 Boolean SetUp (Game & game);
 121 void DoKey (SInt8 theKey, SInt8 theCode);
 122 void DoUpdate (Game & game);
 123
 124 void DoEvent (void);
 125 void CleanUp (void);
 126
 127
 128 // statics/globals (internal only) ------------------------------------------
 129 #ifndef WIN32
 130 typedef struct tagPOINT {
 131   int x;
 132   int y;
 133 } POINT, *PPOINT;
 134 #endif
 135
 136 #if USE_SDL
 137 #define GL_FUNC(ret,fn,params,call,rt) \
 138     extern "C" { \
 139         static ret GLAPIENTRY (*p##fn) params = NULL; \
 140         ret GLAPIENTRY fn params { rt p##fn call; } \
 141     }
 142 #include "glstubs.h"
 143 #undef GL_FUNC
 144
 145 static bool lookup_glsym(const char *funcname, void **func)
 146 {
 147     *func = SDL_GL_GetProcAddress(funcname);
 148     if (*func == NULL)
 149     {
 150         fprintf(stderr, "Failed to find OpenGL symbol \"%s\"\n", funcname);
 151         return false;
 152     }
 153     return true;
 154 }
 155
 156 static bool lookup_all_glsyms(void)
 157 {
 158     bool retval = true;
 159     #define GL_FUNC(ret,fn,params,call,rt) \
 160         if (!lookup_glsym(#fn, (void **) &p##fn)) retval = false;
 161     #include "glstubs.h"
 162     #undef GL_FUNC
 163     return retval;
 164 }
 165
 166 static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textures)
 167 {
 168     // no-op.
 169 }
 170
 171
 172
 173 void sdlGetCursorPos(POINT *pt)
 174 {
 175     int x, y;
 176     SDL_GetMouseState(&x, &y);
 177     pt->x = x;
 178     pt->y = y;
 179 }
 180 #define GetCursorPos(x) sdlGetCursorPos(x)
 181 #define SetCursorPos(x, y) SDL_WarpMouse(x, y)
 182 #define ScreenToClient(x, pt)
 183 #define ClientToScreen(x, pt)
 184 #define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
 185 #endif
 186
 187 Point delta;
 188
 189 #ifdef WIN32
 190 static const char g_wndClassName[]={ "LUGARUWINDOWCLASS" };
 191 static HINSTANCE g_appInstance;
 192 static HWND g_windowHandle;
 193 static HGLRC hRC;
 194 #endif
 195
 196 static bool g_button, fullscreen = true;
 197
 198
 199 // Menu defs
 200 enum
 201 {
 202         kFileQuit = 1
 203 };
 204
 205 enum
 206 {
 207         kForegroundSleep = 10,
 208         kBackgroundSleep = 10000
 209 };
 210
 211
 212 int kContextWidth;
 213 int kContextHeight;
 214
 215 const RGBColor rgbBlack = { 0x0000, 0x0000, 0x0000 };
 216
 217 GLuint gFontList;
 218 char gcstrMode [256] = "";
 219
 220 UInt32 gSleepTime = kForegroundSleep;
 221 Boolean gDone = false, gfFrontProcess = true;
 222
 223 Game * pgame = 0;
 224
 225
 226 static int _argc = 0;
 227 static char **_argv = NULL;
 228
 229 bool cmdline(const char *cmd)
 230 {
 231     for (int i = 1; i < _argc; i++)
 232     {
 233         char *arg = _argv[i];
 234         while (*arg == '-')
 235             arg++;
 236         if (stricmp(arg, cmd) == 0)
 237             return true;
 238     }
 239
 240     return false;
 241 }
 242
 243
 244 // --------------------------------------------------------------------------
 245
 246 void ReportError (char * strError)
 247 {
 248 #ifdef WIN32  // !!! FIXME.  --ryan.
 249         throw std::exception( strError);
 250 #endif
 251
 252         /*      char errMsgCStr [256];
 253         Str255 strErr;
 254
 255         sprintf (errMsgCStr, "%s", strError);
 256
 257         // out as debug string
 258         CToPStr (strErr, errMsgCStr);
 259         DebugStr (strErr);
 260         */
 261 }
 262
 263 void SetupDSpFullScreen ()
 264 {
 265 #ifdef WIN32
 266         LOGFUNC;
 267
 268         if (fullscreen)
 269         {
 270                 DEVMODE dmScreenSettings;
 271                 memset( &dmScreenSettings, 0, sizeof( dmScreenSettings));
 272                 dmScreenSettings.dmSize = sizeof( dmScreenSettings);
 273                 dmScreenSettings.dmPelsWidth    = kContextWidth;
 274                 dmScreenSettings.dmPelsHeight   = kContextHeight;
 275                 dmScreenSettings.dmBitsPerPel   = kBitsPerPixel;
 276                 dmScreenSettings.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
 277
 278                 // set video mode
 279                 if (ChangeDisplaySettings( &dmScreenSettings, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 280                 {
 281                         ReportError( "Could not set display mode");
 282                         return;
 283                 }
 284         }
 285
 286         ShowCursor(FALSE);
 287 #endif
 288 }
 289
 290
 291 void ShutdownDSp ()
 292 {
 293 #ifdef WIN32
 294         LOGFUNC;
 295
 296         if (fullscreen)
 297         {
 298                 ChangeDisplaySettings( NULL, 0);
 299         }
 300
 301         ShowCursor(TRUE);
 302 #endif
 303 }
 304
 305
 306 //-----------------------------------------------------------------------------------------------------------------------
 307
 308 // OpenGL Drawing
 309
 310 void DrawGL (Game & game)
 311 {
 312 #ifdef WIN32
 313         if (hDC == 0)
 314                 return;
 315 #endif
 316
 317         game.DrawGLScene();
 318 }
 319
 320
 321 static KeyMap g_theKeys;
 322
 323 void SetKey( int key)
 324 {
 325     g_theKeys[ key >> 3] |= (1 << (key & 7));
 326 }
 327
 328 void ClearKey( int key)
 329 {
 330     g_theKeys[ key >> 3] &= (0xff ^ (1 << (key & 7)));
 331 }
 332
 333 void GetKeys(  unsigned char theKeys[16])
 334 {
 335     memcpy( theKeys, &g_theKeys, 16);
 336 }
 337
 338 Boolean Button()
 339 {
 340     return g_button;
 341 }
 342
 343 #if !USE_SDL
 344 static void initSDLKeyTable(void) {}
 345 #else
 346 #define MAX_SDLKEYS SDLK_LAST
 347 static unsigned short KeyTable[MAX_SDLKEYS];
 348
 349 static void initSDLKeyTable(void)
 350 {
 351     memset(KeyTable, 0xFF, sizeof (KeyTable));
 352     KeyTable[SDLK_BACKSPACE] = MAC_DELETE_KEY;
 353     KeyTable[SDLK_TAB] = MAC_TAB_KEY;
 354     KeyTable[SDLK_RETURN] = MAC_RETURN_KEY;
 355     KeyTable[SDLK_ESCAPE] = MAC_ESCAPE_KEY;
 356     KeyTable[SDLK_SPACE] = MAC_SPACE_KEY;
 357     KeyTable[SDLK_PAGEUP] = MAC_PAGE_UP_KEY;
 358     KeyTable[SDLK_PAGEDOWN] = MAC_PAGE_DOWN_KEY;
 359     KeyTable[SDLK_END] = MAC_END_KEY;
 360     KeyTable[SDLK_HOME] = MAC_HOME_KEY;
 361     KeyTable[SDLK_LEFT] = MAC_ARROW_LEFT_KEY;
 362     KeyTable[SDLK_UP] = MAC_ARROW_UP_KEY;
 363     KeyTable[SDLK_RIGHT] = MAC_ARROW_RIGHT_KEY;
 364     KeyTable[SDLK_DOWN] = MAC_ARROW_DOWN_KEY;
 365     KeyTable[SDLK_INSERT] = MAC_INSERT_KEY;
 366     KeyTable[SDLK_DELETE] = MAC_DEL_KEY;
 367     KeyTable[SDLK_0] = MAC_0_KEY;
 368     KeyTable[SDLK_1] = MAC_1_KEY;
 369     KeyTable[SDLK_2] = MAC_2_KEY;
 370     KeyTable[SDLK_3] = MAC_3_KEY;
 371     KeyTable[SDLK_4] = MAC_4_KEY;
 372     KeyTable[SDLK_5] = MAC_5_KEY;
 373     KeyTable[SDLK_6] = MAC_6_KEY;
 374     KeyTable[SDLK_7] = MAC_7_KEY;
 375     KeyTable[SDLK_8] = MAC_8_KEY;
 376     KeyTable[SDLK_9] = MAC_9_KEY;
 377     KeyTable[SDLK_a] = MAC_A_KEY;
 378     KeyTable[SDLK_b] = MAC_B_KEY;
 379     KeyTable[SDLK_c] = MAC_C_KEY;
 380     KeyTable[SDLK_d] = MAC_D_KEY;
 381     KeyTable[SDLK_e] = MAC_E_KEY;
 382     KeyTable[SDLK_f] = MAC_F_KEY;
 383     KeyTable[SDLK_g] = MAC_G_KEY;
 384     KeyTable[SDLK_h] = MAC_H_KEY;
 385     KeyTable[SDLK_i] = MAC_I_KEY;
 386     KeyTable[SDLK_j] = MAC_J_KEY;
 387     KeyTable[SDLK_k] = MAC_K_KEY;
 388     KeyTable[SDLK_l] = MAC_L_KEY;
 389     KeyTable[SDLK_m] = MAC_M_KEY;
 390     KeyTable[SDLK_n] = MAC_N_KEY;
 391     KeyTable[SDLK_o] = MAC_O_KEY;
 392     KeyTable[SDLK_p] = MAC_P_KEY;
 393     KeyTable[SDLK_q] = MAC_Q_KEY;
 394     KeyTable[SDLK_r] = MAC_R_KEY;
 395     KeyTable[SDLK_s] = MAC_S_KEY;
 396     KeyTable[SDLK_t] = MAC_T_KEY;
 397     KeyTable[SDLK_u] = MAC_U_KEY;
 398     KeyTable[SDLK_v] = MAC_V_KEY;
 399     KeyTable[SDLK_w] = MAC_W_KEY;
 400     KeyTable[SDLK_x] = MAC_X_KEY;
 401     KeyTable[SDLK_y] = MAC_Y_KEY;
 402     KeyTable[SDLK_z] = MAC_Z_KEY;
 403     KeyTable[SDLK_KP0] = MAC_NUMPAD_0_KEY;
 404     KeyTable[SDLK_KP1] = MAC_NUMPAD_1_KEY;
 405     KeyTable[SDLK_KP2] = MAC_NUMPAD_2_KEY;
 406     KeyTable[SDLK_KP3] = MAC_NUMPAD_3_KEY;
 407     KeyTable[SDLK_KP4] = MAC_NUMPAD_4_KEY;
 408     KeyTable[SDLK_KP5] = MAC_NUMPAD_5_KEY;
 409     KeyTable[SDLK_KP6] = MAC_NUMPAD_6_KEY;
 410     KeyTable[SDLK_KP7] = MAC_NUMPAD_7_KEY;
 411     KeyTable[SDLK_KP8] = MAC_NUMPAD_8_KEY;
 412     KeyTable[SDLK_KP9] = MAC_NUMPAD_9_KEY;
 413     KeyTable[SDLK_KP_MULTIPLY] = MAC_NUMPAD_ASTERISK_KEY;
 414     KeyTable[SDLK_KP_PLUS] = MAC_NUMPAD_PLUS_KEY;
 415     KeyTable[SDLK_KP_ENTER] = MAC_NUMPAD_ENTER_KEY;
 416     KeyTable[SDLK_KP_MINUS] = MAC_NUMPAD_MINUS_KEY;
 417     KeyTable[SDLK_KP_PERIOD] = MAC_NUMPAD_PERIOD_KEY;
 418     KeyTable[SDLK_KP_DIVIDE] = MAC_NUMPAD_SLASH_KEY;
 419     KeyTable[SDLK_F1] = MAC_F1_KEY;
 420     KeyTable[SDLK_F2] = MAC_F2_KEY;
 421     KeyTable[SDLK_F3] = MAC_F3_KEY;
 422     KeyTable[SDLK_F4] = MAC_F4_KEY;
 423     KeyTable[SDLK_F5] = MAC_F5_KEY;
 424     KeyTable[SDLK_F6] = MAC_F6_KEY;
 425     KeyTable[SDLK_F7] = MAC_F7_KEY;
 426     KeyTable[SDLK_F8] = MAC_F8_KEY;
 427     KeyTable[SDLK_F9] = MAC_F9_KEY;
 428     KeyTable[SDLK_F10] = MAC_F10_KEY;
 429     KeyTable[SDLK_F11] = MAC_F11_KEY;
 430     KeyTable[SDLK_F12] = MAC_F12_KEY;
 431     KeyTable[SDLK_SEMICOLON] = MAC_SEMICOLON_KEY;
 432     KeyTable[SDLK_PLUS] = MAC_PLUS_KEY;
 433     KeyTable[SDLK_COMMA] = MAC_COMMA_KEY;
 434     KeyTable[SDLK_MINUS] = MAC_MINUS_KEY;
 435     KeyTable[SDLK_PERIOD] = MAC_PERIOD_KEY;
 436     KeyTable[SDLK_SLASH] = MAC_SLASH_KEY;
 437     KeyTable[SDLK_BACKQUOTE] = MAC_TILDE_KEY;
 438     KeyTable[SDLK_LEFTBRACKET] = MAC_LEFTBRACKET_KEY;
 439     KeyTable[SDLK_BACKSLASH] = MAC_BACKSLASH_KEY;
 440     KeyTable[SDLK_RIGHTBRACKET] = MAC_RIGHTBRACKET_KEY;
 441     KeyTable[SDLK_QUOTE] = MAC_APOSTROPHE_KEY;
 442 }
 443
 444 static inline int clamp_sdl_mouse_button(Uint8 button)
 445 {
 446     if (button == 2)   // right mouse button is button 3 in SDL.
 447         button = 3;
 448     else if (button == 3)
 449         button = 2;
 450
 451     if ((button >= 1) && (button <= 3))
 452         return button - 1;
 453     return -1;
 454 }
 455
 456 static void sdlEventProc(const SDL_Event &e, Game &game)
 457 {
 458     int val;
 459     SDLMod mod;
 460
 461     switch(e.type)
 462         {
 463         case SDL_MOUSEMOTION:
 464             game.deltah += e.motion.xrel;
 465             game.deltav += e.motion.yrel;
 466             return;
 467
 468                 case SDL_MOUSEBUTTONDOWN:
 469                         {
 470                 val = clamp_sdl_mouse_button(e.button.button);
 471                 if (val >= 0)
 472                 {
 473                     if (val == 0)
 474                     {
 475                                     g_button = true;
 476                         SetKey(MAC_MOUSEBUTTON1);
 477                     }
 478
 479                     else if (val == 1)
 480                         SetKey(MAC_MOUSEBUTTON2);
 481
 482                                 buttons[val] = true;
 483                 }
 484                         }
 485                         return;
 486
 487                 case SDL_MOUSEBUTTONUP:
 488                         {
 489                 val = clamp_sdl_mouse_button(e.button.button);
 490                 if (val >= 0)
 491                 {
 492                     if (val == 0)
 493                     {
 494                                     g_button = false;
 495                         ClearKey(MAC_MOUSEBUTTON1);
 496                     }
 497
 498                     else if (val == 1)
 499                         ClearKey(MAC_MOUSEBUTTON2);
 500
 501                                 buttons[val] = false;
 502                 }
 503                         }
 504             return;
 505
 506         case SDL_KEYDOWN:
 507             if (e.key.keysym.sym == SDLK_g)
 508             {
 509                 if (e.key.keysym.mod & KMOD_CTRL)
 510                 {
 511                     SDL_GrabMode mode = SDL_GRAB_ON;
 512                     if ((SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) == 0)
 513                     {
 514                         mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
 515                         mode = (mode==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON;
 516                     }
 517                     SDL_WM_GrabInput(mode);
 518                 }
 519             }
 520
 521             else if (e.key.keysym.sym == SDLK_RETURN)
 522             {
 523                 if (e.key.keysym.mod & KMOD_ALT)
 524                     SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
 525             }
 526
 527             if (e.key.keysym.sym < SDLK_LAST)
 528             {
 529                 if (KeyTable[e.key.keysym.sym] != 0xffff)
 530                     SetKey(KeyTable[e.key.keysym.sym]);
 531             }
 532
 533             mod = SDL_GetModState();
 534             if (mod & KMOD_CTRL)
 535                 SetKey(MAC_CONTROL_KEY);
 536             if (mod & KMOD_ALT)
 537                 SetKey(MAC_OPTION_KEY);
 538             if (mod & KMOD_SHIFT)
 539                 SetKey(MAC_SHIFT_KEY);
 540             if (mod & KMOD_CAPS)
 541                 SetKey(MAC_CAPS_LOCK_KEY);
 542
 543             return;
 544
 545         case SDL_KEYUP:
 546             if (e.key.keysym.sym < SDLK_LAST)
 547             {
 548                 if (KeyTable[e.key.keysym.sym] != 0xffff)
 549                     ClearKey(KeyTable[e.key.keysym.sym]);
 550             }
 551
 552             mod = SDL_GetModState();
 553             if ((mod & KMOD_CTRL) == 0)
 554                 ClearKey(MAC_CONTROL_KEY);
 555             if ((mod & KMOD_ALT) == 0)
 556                 ClearKey(MAC_OPTION_KEY);
 557             if ((mod & KMOD_SHIFT) == 0)
 558                 ClearKey(MAC_SHIFT_KEY);
 559             if ((mod & KMOD_CAPS) == 0)
 560                 ClearKey(MAC_CAPS_LOCK_KEY);
 561             return;
 562     }
 563 }
 564 #endif
 565
 566 // --------------------------------------------------------------------------
 567
 568 static Point gMidPoint;
 569
 570 Boolean SetUp (Game & game)
 571 {
 572         char string[10];
 573
 574         LOGFUNC;
 575
 576         randSeed = UpTime().lo;
 577
 578         osx = 0;
 579         ifstream ipstream(ConvertFileName(":Data:config.txt"), std::ios::in /*| std::ios::nocreate*/);
 580         detail=1;
 581         ismotionblur=0;
 582         usermousesensitivity=1;
 583         kContextWidth=640;
 584         kContextHeight=480;
 585         kBitsPerPixel = 32;
 586         floatjump=0;
 587         cellophane=0;
 588         texdetail=4;
 589         autoslomo=1;
 590         decals=1;
 591         invertmouse=0;
 592         bloodtoggle=0;
 593         terraindetail=2;
 594         foliage=1;
 595         musictoggle=1;
 596         trilinear=1;
 597         gamespeed=1;
 598         difficulty=1;
 599         damageeffects=0;
 600         texttoggle=1;
 601         alwaysblur=0;
 602         showpoints=0;
 603         immediate=0;
 604         velocityblur=0;
 605
 606         slomospeed=0.25;
 607         slomofreq=8012;
 608
 609         volume = 0.8f;
 610
 611         game.crouchkey=MAC_SHIFT_KEY;
 612         game.jumpkey=MAC_SPACE_KEY;
 613         game.leftkey=MAC_A_KEY;
 614         game.forwardkey=MAC_W_KEY;
 615         game.backkey=MAC_S_KEY;
 616         game.rightkey=MAC_D_KEY;
 617         game.drawkey=MAC_E_KEY;
 618         game.throwkey=MAC_Q_KEY;
 619         game.attackkey=MAC_MOUSEBUTTON1;
 620         game.chatkey=MAC_T_KEY;
 621         numplayers=1;
 622         ambientsound=1;
 623         vblsync=0;
 624         debugmode=0;
 625
 626         selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
 627
 628         if(!ipstream) {
 629                 ofstream opstream(ConvertFileName(":Data:config.txt", "w"));
 630                 opstream << "Screenwidth:\n";
 631                 opstream << kContextWidth;
 632                 opstream << "\nScreenheight:\n";
 633                 opstream << kContextHeight;
 634                 opstream << "\nMouse sensitivity:\n";
 635                 opstream << usermousesensitivity;
 636                 opstream << "\nBlur(0,1):\n";
 637                 opstream << ismotionblur;
 638                 opstream << "\nOverall Detail(0,1,2) higher=better:\n";
 639                 opstream << detail;
 640                 opstream << "\nFloating jump:\n";
 641                 opstream << floatjump;
 642                 opstream << "\nMouse jump:\n";
 643                 opstream << mousejump;
 644                 opstream << "\nAmbient sound:\n";
 645                 opstream << ambientsound;
 646                 opstream << "\nBlood (0,1,2):\n";
 647                 opstream << bloodtoggle;
 648                 opstream << "\nAuto slomo:\n";
 649                 opstream << autoslomo;
 650                 opstream << "\nFoliage:\n";
 651                 opstream << foliage;
 652                 opstream << "\nMusic:\n";
 653                 opstream << musictoggle;
 654                 opstream << "\nTrilinear:\n";
 655                 opstream << trilinear;
 656                 opstream << "\nDecals(shadows,blood puddles,etc):\n";
 657                 opstream << decals;
 658                 opstream << "\nInvert mouse:\n";
 659                 opstream << invertmouse;
 660                 opstream << "\nGamespeed:\n";
 661                 opstream << gamespeed;
 662                 opstream << "\nDifficulty(0,1,2) higher=harder:\n";
 663                 opstream << difficulty;
 664                 opstream << "\nDamage effects(blackout, doublevision):\n";
 665                 opstream << damageeffects;
 666                 opstream << "\nText:\n";
 667                 opstream << texttoggle;
 668                 opstream << "\nDebug:\n";
 669                 opstream << debugmode;
 670                 opstream << "\nVBL Sync:\n";
 671                 opstream << vblsync;
 672                 opstream << "\nShow Points:\n";
 673                 opstream << showpoints;
 674                 opstream << "\nAlways Blur:\n";
 675                 opstream << alwaysblur;
 676                 opstream << "\nImmediate mode (turn on on G5):\n";
 677                 opstream << immediate;
 678                 opstream << "\nVelocity blur:\n";
 679                 opstream << velocityblur;
 680                 opstream << "\nVolume:\n";
 681                 opstream << volume;
 682                 opstream << "\nForward key:\n";
 683                 opstream << KeyToChar(game.forwardkey);
 684                 opstream << "\nBack key:\n";
 685                 opstream << KeyToChar(game.backkey);
 686                 opstream << "\nLeft key:\n";
 687                 opstream << KeyToChar(game.leftkey);
 688                 opstream << "\nRight key:\n";
 689                 opstream << KeyToChar(game.rightkey);
 690                 opstream << "\nJump key:\n";
 691                 opstream << KeyToChar(game.jumpkey);
 692                 opstream << "\nCrouch key:\n";
 693                 opstream << KeyToChar(game.crouchkey);
 694                 opstream << "\nDraw key:\n";
 695                 opstream << KeyToChar(game.drawkey);
 696                 opstream << "\nThrow key:\n";
 697                 opstream << KeyToChar(game.throwkey);
 698                 opstream << "\nAttack key:\n";
 699                 opstream << KeyToChar(game.attackkey);
 700                 opstream << "\nChat key:\n";
 701                 opstream << KeyToChar(game.chatkey);
 702                 opstream.close();
 703         }
 704         if(ipstream){
 705                 int i;
 706                 ipstream.ignore(256,'\n');
 707                 ipstream >> kContextWidth;
 708                 ipstream.ignore(256,'\n');
 709                 ipstream.ignore(256,'\n');
 710                 ipstream >> kContextHeight;
 711                 ipstream.ignore(256,'\n');
 712                 ipstream.ignore(256,'\n');
 713                 ipstream >> usermousesensitivity;
 714                 ipstream.ignore(256,'\n');
 715                 ipstream.ignore(256,'\n');
 716                 ipstream >> i;
 717                 ismotionblur = (i != 0);
 718                 ipstream.ignore(256,'\n');
 719                 ipstream.ignore(256,'\n');
 720                 ipstream >> detail;
 721                 if(detail!=0)kBitsPerPixel=32;
 722                 else kBitsPerPixel=16;
 723                 ipstream.ignore(256,'\n');
 724                 ipstream.ignore(256,'\n');
 725                 ipstream >> i;
 726                 floatjump = (i != 0);
 727                 ipstream.ignore(256,'\n');
 728                 ipstream.ignore(256,'\n');
 729                 ipstream >> i;
 730                 mousejump = (i != 0);
 731                 ipstream.ignore(256,'\n');
 732                 ipstream.ignore(256,'\n');
 733                 ipstream >> i;
 734                 ambientsound = (i != 0);
 735                 ipstream.ignore(256,'\n');
 736                 ipstream.ignore(256,'\n');
 737                 ipstream >> bloodtoggle;
 738                 ipstream.ignore(256,'\n');
 739                 ipstream.ignore(256,'\n');
 740                 ipstream >> i;
 741                 autoslomo = (i != 0);
 742                 ipstream.ignore(256,'\n');
 743                 ipstream.ignore(256,'\n');
 744                 ipstream >> i;
 745                 foliage = (i != 0);
 746                 ipstream.ignore(256,'\n');
 747                 ipstream.ignore(256,'\n');
 748                 ipstream >> i;
 749                 musictoggle = (i != 0);
 750                 ipstream.ignore(256,'\n');
 751                 ipstream.ignore(256,'\n');
 752                 ipstream >> i;
 753                 trilinear = (i != 0);
 754                 ipstream.ignore(256,'\n');
 755                 ipstream.ignore(256,'\n');
 756                 ipstream >> i;
 757                 decals = (i != 0);
 758                 ipstream.ignore(256,'\n');
 759                 ipstream.ignore(256,'\n');
 760                 ipstream >> i;
 761                 invertmouse = (i != 0);
 762                 ipstream.ignore(256,'\n');
 763                 ipstream.ignore(256,'\n');
 764                 ipstream >> gamespeed;
 765                 oldgamespeed=gamespeed;
 766                 if(oldgamespeed==0){
 767                         gamespeed=1;
 768                         oldgamespeed=1;
 769                 }
 770                 ipstream.ignore(256,'\n');
 771                 ipstream.ignore(256,'\n');
 772                 ipstream >> difficulty;
 773                 ipstream.ignore(256,'\n');
 774                 ipstream.ignore(256,'\n');
 775                 ipstream >> i;
 776                 damageeffects = (i != 0);
 777                 ipstream.ignore(256,'\n');
 778                 ipstream.ignore(256,'\n');
 779                 ipstream >> i;
 780                 texttoggle = (i != 0);
 781                 ipstream.ignore(256,'\n');
 782                 ipstream.ignore(256,'\n');
 783                 ipstream >> i;
 784                 debugmode = (i != 0);
 785                 ipstream.ignore(256,'\n');
 786                 ipstream.ignore(256,'\n');
 787                 ipstream >> i;
 788                 vblsync = (i != 0);
 789                 ipstream.ignore(256,'\n');
 790                 ipstream.ignore(256,'\n');
 791                 ipstream >> i;
 792                 showpoints = (i != 0);
 793                 ipstream.ignore(256,'\n');
 794                 ipstream.ignore(256,'\n');
 795                 ipstream >> i;
 796                 alwaysblur = (i != 0);
 797                 ipstream.ignore(256,'\n');
 798                 ipstream.ignore(256,'\n');
 799                 ipstream >> i;
 800                 immediate = (i != 0);
 801                 ipstream.ignore(256,'\n');
 802                 ipstream.ignore(256,'\n');
 803                 ipstream >> i;
 804                 velocityblur = (i != 0);
 805                 ipstream.ignore(256,'\n');
 806                 ipstream.ignore(256,'\n');
 807                 ipstream >> volume;
 808                 ipstream.ignore(256,'\n');
 809                 ipstream.ignore(256,'\n');
 810                 ipstream >> string;
 811                 game.forwardkey=CharToKey(string);
 812                 ipstream.ignore(256,'\n');
 813                 ipstream.ignore(256,'\n');
 814                 ipstream >> string;
 815                 game.backkey=CharToKey(string);
 816                 ipstream.ignore(256,'\n');
 817                 ipstream.ignore(256,'\n');
 818                 ipstream >> string;
 819                 game.leftkey=CharToKey(string);
 820                 ipstream.ignore(256,'\n');
 821                 ipstream.ignore(256,'\n');
 822                 ipstream >> string;
 823                 game.rightkey=CharToKey(string);
 824                 ipstream.ignore(256,'\n');
 825                 ipstream.ignore(256,'\n');
 826                 ipstream >> string;
 827                 game.jumpkey=CharToKey(string);
 828                 ipstream.ignore(256,'\n');
 829                 ipstream.ignore(256,'\n');
 830                 ipstream >> string;
 831                 game.crouchkey=CharToKey(string);
 832                 ipstream.ignore(256,'\n');
 833                 ipstream.ignore(256,'\n');
 834                 ipstream >> string;
 835                 game.drawkey=CharToKey(string);
 836                 ipstream.ignore(256,'\n');
 837                 ipstream.ignore(256,'\n');
 838                 ipstream >> string;
 839                 game.throwkey=CharToKey(string);
 840                 ipstream.ignore(256,'\n');
 841                 ipstream.ignore(256,'\n');
 842                 ipstream >> string;
 843                 game.attackkey=CharToKey(string);
 844                 ipstream.ignore(256,'\n');
 845                 ipstream.ignore(256,'\n');
 846                 ipstream >> string;
 847                 game.chatkey=CharToKey(string);
 848                 ipstream.close();
 849
 850                 if(detail>2)detail=2;
 851                 if(detail<0)detail=0;
 852                 if(screenwidth>3000)screenwidth=640;
 853                 if(screenwidth<0)screenwidth=640;
 854                 if(screenheight>3000)screenheight=480;
 855                 if(screenheight<0)screenheight=480;
 856         }
 857         if(kBitsPerPixel!=32&&kBitsPerPixel!=16){
 858                 kBitsPerPixel=16;
 859         }
 860
 861
 862         selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
 863
 864         SetupDSpFullScreen();
 865
 866 #if USE_SDL
 867     if (!SDL_WasInit(SDL_INIT_VIDEO))
 868     {
 869         if (SDL_Init(SDL_INIT_VIDEO) == -1)
 870         {
 871             fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
 872             return false;
 873         }
 874
 875         if (SDL_GL_LoadLibrary(NULL) == -1)
 876         {
 877             fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
 878             SDL_Quit();
 879             return false;
 880         }
 881     }
 882
 883     Uint32 sdlflags = SDL_OPENGL;
 884     if (!cmdline("windowed"))
 885         sdlflags |= SDL_FULLSCREEN;
 886
 887     SDL_WM_SetCaption("Lugaru", "lugaru");
 888
 889     SDL_ShowCursor(0);
 890
 891     if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
 892     {
 893         fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
 894         return false;
 895     }
 896
 897     if (!lookup_all_glsyms())
 898     {
 899         SDL_Quit();
 900         return false;
 901     }
 902
 903     if (!cmdline("nomousegrab"))
 904         SDL_WM_GrabInput(SDL_GRAB_ON);
 905
 906 #elif (defined WIN32)
 907         //------------------------------------------------------------------
 908         // create window
 909         int x = 0, y = 0;
 910         RECT r = {0, 0, kContextWidth-1, kContextHeight-1};
 911         DWORD dwStyle = WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_VISIBLE;
 912         DWORD dwExStyle = WS_EX_APPWINDOW;
 913
 914         if (fullscreen)
 915         {
 916                 dwStyle |= WS_POPUP;
 917         }
 918         else
 919         {
 920
 921                 dwStyle |= WS_OVERLAPPEDWINDOW;
 922                 dwExStyle |= WS_EX_WINDOWEDGE;
 923         }
 924
 925         AdjustWindowRectEx(&r, dwStyle, FALSE, dwExStyle);
 926
 927         if (!fullscreen)
 928         {
 929                 x = (GetSystemMetrics(SM_CXSCREEN) >> 1) - ((r.right - r.left + 1) >> 1);
 930                 y = (GetSystemMetrics(SM_CYSCREEN) >> 1) - ((r.bottom - r.top + 1) >> 1);
 931         }
 932
 933         g_windowHandle=CreateWindowEx(
 934                 dwExStyle,
 935                 g_wndClassName, "Lugaru", dwStyle,
 936                 x, y,
 937 //              kContextWidth, kContextHeight,
 938                 r.right - r.left + 1, r.bottom - r.top + 1,
 939                 NULL,NULL,g_appInstance,NULL );
 940         if (!g_windowHandle)
 941         {
 942                 ReportError("Could not create window");
 943                 return false;
 944         }
 945
 946         //------------------------------------------------------------------
 947         // setup OpenGL
 948
 949         static PIXELFORMATDESCRIPTOR pfd =
 950         {
 951                 sizeof(PIXELFORMATDESCRIPTOR),                          // Size Of This Pixel Format Descriptor
 952                         1,                                                                                      // Version Number
 953                         PFD_DRAW_TO_WINDOW |                                            // Format Must Support Window
 954                         PFD_SUPPORT_OPENGL |                                            // Format Must Support OpenGL
 955                         PFD_DOUBLEBUFFER,                                                       // Must Support Double Buffering
 956                         PFD_TYPE_RGBA,                                                          // Request An RGBA Format
 957                         kBitsPerPixel,                                                          // Select Our Color Depth
 958                         0, 0, 0, 0, 0, 0,                                                       // Color Bits Ignored
 959                         0,                                                                                      // No Alpha Buffer
 960                         0,                                                                                      // Shift Bit Ignored
 961                         0,                                                                                      // No Accumulation Buffer
 962                         0, 0, 0, 0,                                                                     // Accumulation Bits Ignored
 963                         16,                                                                                     // 16Bit Z-Buffer (Depth Buffer)
 964                         0,                                                                                      // No Stencil Buffer
 965                         0,                                                                                      // No Auxiliary Buffer
 966                         PFD_MAIN_PLANE,                                                         // Main Drawing Layer
 967                         0,                                                                                      // Reserved
 968                         0, 0, 0                                                                         // Layer Masks Ignored
 969         };
 970
 971         if (!(hDC = GetDC( g_windowHandle)))
 972                 ReportError( "Could not get device context");
 973
 974         GLuint PixelFormat;
 975         if (!(PixelFormat = ChoosePixelFormat(hDC, &pfd)))
 976         {
 977                 ReportError( "Could not find appropriate pixel format");
 978                 return false;
 979         }
 980
 981         if (!DescribePixelFormat(hDC, PixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd))
 982         {
 983                 ReportError( "Could not retrieve pixel format");
 984                 return false;
 985         }
 986
 987         if (!SetPixelFormat( hDC, PixelFormat, &pfd))
 988         {
 989                 ReportError( "Could not set pixel format");
 990                 return false;
 991         }
 992
 993         if (!(hRC = wglCreateContext(hDC)))
 994         {
 995                 ReportError( "Could not create rendering context");
 996                 return false;
 997         }
 998
 999         if (!wglMakeCurrent(hDC, hRC))
1000         {
1001                 ReportError( "Could not activate rendering context");
1002                 return false;
1003         }
1004
1005         if (fullscreen)
1006         {
1007                 // Place the window above all topmost windows
1008                 SetWindowPos( g_windowHandle, HWND_TOPMOST, 0,0,0,0,
1009                         SWP_NOMOVE | SWP_NOSIZE );
1010         }
1011
1012         SetForegroundWindow(g_windowHandle);
1013         SetFocus(g_windowHandle);
1014 #endif
1015
1016         glClear( GL_COLOR_BUFFER_BIT );
1017         swap_gl_buffers();
1018
1019         // clear all states
1020         glDisable( GL_ALPHA_TEST);
1021         glDisable( GL_BLEND);
1022         glDisable( GL_DEPTH_TEST);
1023         //      glDisable( GL_DITHER);
1024         glDisable( GL_FOG);
1025         glDisable( GL_LIGHTING);
1026         glDisable( GL_LOGIC_OP);
1027         glDisable( GL_STENCIL_TEST);
1028         glDisable( GL_TEXTURE_1D);
1029         glDisable( GL_TEXTURE_2D);
1030         glPixelTransferi( GL_MAP_COLOR, GL_FALSE);
1031         glPixelTransferi( GL_RED_SCALE, 1);
1032         glPixelTransferi( GL_RED_BIAS, 0);
1033         glPixelTransferi( GL_GREEN_SCALE, 1);
1034         glPixelTransferi( GL_GREEN_BIAS, 0);
1035         glPixelTransferi( GL_BLUE_SCALE, 1);
1036         glPixelTransferi( GL_BLUE_BIAS, 0);
1037         glPixelTransferi( GL_ALPHA_SCALE, 1);
1038         glPixelTransferi( GL_ALPHA_BIAS, 0);
1039
1040         // set initial rendering states
1041         glShadeModel( GL_SMOOTH);
1042         glClearDepth( 1.0f);
1043         glDepthFunc( GL_LEQUAL);
1044         glDepthMask( GL_TRUE);
1045         //      glDepthRange( FRONT_CLIP, BACK_CLIP);
1046         glEnable( GL_DEPTH_TEST);
1047         glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
1048         glCullFace( GL_FRONT);
1049         glEnable( GL_CULL_FACE);
1050         glEnable( GL_LIGHTING);
1051 //      glEnable( GL_LIGHT_MODEL_AMBIENT);
1052         glEnable( GL_DITHER);
1053         glEnable( GL_COLOR_MATERIAL);
1054         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1055         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1056         glAlphaFunc( GL_GREATER, 0.5f);
1057
1058 #if USE_DEVIL
1059         if (ilGetInteger(IL_VERSION_NUM) < IL_VERSION ||
1060                 iluGetInteger(ILU_VERSION_NUM) < ILU_VERSION ||
1061                 ilutGetInteger(ILUT_VERSION_NUM) < ILUT_VERSION)
1062         {
1063                 ReportError("DevIL version is different...exiting!\n");
1064                 return false;
1065         }
1066
1067         ilInit();
1068         iluInit();
1069         ilutInit();
1070
1071         ilutRenderer(ILUT_OPENGL);
1072
1073         ilEnable(IL_ORIGIN_SET);
1074         ilOriginFunc(IL_ORIGIN_LOWER_LEFT);
1075 #endif
1076
1077         GLint width = kContextWidth;
1078         GLint height = kContextHeight;
1079         gMidPoint.h = width / 2;
1080         gMidPoint.v = height / 2;
1081         screenwidth=width;
1082         screenheight=height;
1083
1084         game.newdetail=detail;
1085         game.newscreenwidth=screenwidth;
1086         game.newscreenheight=screenheight;
1087
1088         game.InitGame();
1089
1090         return true;
1091 }
1092
1093
1094 static void DoMouse(Game & game)
1095 {
1096 #if USE_SDL
1097         if(mainmenu||(abs(game.deltah)<10*realmultiplier*1000&&abs(game.deltav)<10*realmultiplier*1000))
1098         {
1099                 game.deltah *= usermousesensitivity;
1100                 game.deltav *= usermousesensitivity;
1101                 game.mousecoordh += game.deltah;
1102                 game.mousecoordv += game.deltav;
1103         if (game.mousecoordh < 0)
1104             game.mousecoordh = 0;
1105         else if (game.mousecoordh >= kContextWidth)
1106             game.mousecoordh = kContextWidth - 1;
1107         if (game.mousecoordv < 0)
1108             game.mousecoordv = 0;
1109         else if (game.mousecoordv >= kContextHeight)
1110             game.mousecoordv = kContextHeight - 1;
1111         }
1112 #else
1113         static Point lastMouse = {-1,-1};
1114         Point globalMouse;
1115
1116         POINT pos;
1117         GetCursorPos(&pos);
1118         ScreenToClient(g_windowHandle, &pos);
1119         globalMouse.h = pos.x;
1120         globalMouse.v = pos.y;
1121
1122         if (lastMouse.h == globalMouse.h && lastMouse.v == globalMouse.v)
1123         {
1124                 game.deltah=0;
1125                 game.deltav=0;
1126         }
1127         else
1128         {
1129                 static Point virtualMouse = {0,0};
1130                 delta = globalMouse;
1131
1132                 delta.h -= lastMouse.h;
1133                 delta.v -= lastMouse.v;
1134                 lastMouse.h = pos.x;
1135                 lastMouse.v = pos.y;
1136
1137                 if(mainmenu||(abs(delta.h)<10*realmultiplier*1000&&abs(delta.v)<10*realmultiplier*1000)){
1138                         game.deltah=delta.h*usermousesensitivity;
1139                         game.deltav=delta.v*usermousesensitivity;
1140                         game.mousecoordh=globalMouse.h;
1141                         game.mousecoordv=globalMouse.v;
1142                 }
1143
1144                 if(!mainmenu)
1145                 {
1146                         if(lastMouse.h>gMidPoint.h+100||lastMouse.h<gMidPoint.h-100||lastMouse.v>gMidPoint.v+100||lastMouse.v<gMidPoint.v-100){
1147                                 pos.x = gMidPoint.h;
1148                                 pos.y = gMidPoint.v;
1149                                 ClientToScreen(g_windowHandle, &pos);
1150                                 //SetCursorPos( gMidPoint.h,gMidPoint.v);
1151                                 SetCursorPos(pos.x, pos.y);
1152                                 lastMouse = gMidPoint;
1153                         }
1154                 }
1155         }
1156 #endif
1157 }
1158
1159
1160
1161 // --------------------------------------------------------------------------
1162
1163 void DoKey (SInt8 theKey, SInt8 theCode)
1164 {
1165         // do nothing
1166 }
1167
1168 // --------------------------------------------------------------------------
1169
1170
1171
1172 void DoFrameRate (int update)
1173 {
1174         static long frames = 0;
1175
1176         static AbsoluteTime time = {0,0};
1177         static AbsoluteTime frametime = {0,0};
1178         AbsoluteTime currTime = UpTime ();
1179         double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
1180
1181         if (0 > deltaTime)      // if negative microseconds
1182                 deltaTime /= -1000000.0;
1183         else                            // else milliseconds
1184                 deltaTime /= 1000.0;
1185
1186         multiplier=deltaTime;
1187         if(multiplier<.001)multiplier=.001;
1188         if(multiplier>10)multiplier=10;
1189         if(update)frametime = currTime; // reset for next time interval
1190
1191         deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
1192
1193         if (0 > deltaTime)      // if negative microseconds
1194                 deltaTime /= -1000000.0;
1195         else                            // else milliseconds
1196                 deltaTime /= 1000.0;
1197         frames++;
1198         if (0.001 <= deltaTime) // has update interval passed
1199         {
1200                 if(update){
1201                         time = currTime;        // reset for next time interval
1202                         frames = 0;
1203                 }
1204         }
1205 }
1206
1207
1208 void DoUpdate (Game & game)
1209 {
1210         static float sps=200;
1211         static int count;
1212         static float oldmult;
1213
1214         DoFrameRate(1);
1215         if(multiplier>.6)multiplier=.6;
1216
1217         game.fps=1/multiplier;
1218
1219         count = multiplier*sps;
1220         if(count<2)count=2;
1221         //if(count>10)count=10;
1222
1223         realmultiplier=multiplier;
1224         multiplier*=gamespeed;
1225         if(difficulty==1)multiplier*=.9;
1226         if(difficulty==0)multiplier*=.8;
1227
1228         if(game.loading==4)multiplier*=.00001;
1229         //multiplier*.9;
1230         if(slomo&&!mainmenu)multiplier*=slomospeed;
1231         //if(freeze)multiplier*=0.00001;
1232         oldmult=multiplier;
1233         multiplier/=(float)count;
1234
1235         DoMouse(game);
1236
1237         game.TickOnce();
1238
1239         for(int i=0;i<count;i++)
1240         {
1241                 game.Tick();
1242         }
1243         multiplier=oldmult;
1244
1245         game.TickOnceAfter();
1246 /* - Debug code to test how many channels were active on average per frame
1247         static long frames = 0;
1248
1249         static AbsoluteTime start = {0,0};
1250         AbsoluteTime currTime = UpTime ();
1251         static int num_channels = 0;
1252
1253         num_channels += FSOUND_GetChannelsPlaying();
1254         double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
1255
1256         if (0 > deltaTime)      // if negative microseconds
1257                 deltaTime /= -1000000.0;
1258         else                            // else milliseconds
1259                 deltaTime /= 1000.0;
1260
1261         ++frames;
1262
1263         if (deltaTime >= 1)
1264         {
1265                 start = currTime;
1266                 float avg_channels = (float)num_channels / (float)frames;
1267
1268                 ofstream opstream("log.txt",ios::app);
1269                 opstream << "Average frame count: ";
1270                 opstream << frames;
1271                 opstream << " frames - ";
1272                 opstream << avg_channels;
1273                 opstream << " per frame.\n";
1274                 opstream.close();
1275
1276                 frames = 0;
1277                 num_channels = 0;
1278         }
1279 */
1280         DrawGL (game);
1281 }
1282
1283 // --------------------------------------------------------------------------
1284
1285
1286 void CleanUp (void)
1287 {
1288         LOGFUNC;
1289
1290 //      game.Dispose();
1291
1292 #if USE_DEVIL
1293         ilShutDown();
1294 #endif
1295
1296 #if USE_SDL
1297     SDL_Quit();
1298     #define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
1299     #include "glstubs.h"
1300     #undef GL_FUNC
1301     // cheat here...static destructors are calling glDeleteTexture() after
1302     //  the context is destroyed and libGL unloaded by SDL_Quit().
1303     pglDeleteTextures = glDeleteTextures_doNothing;
1304
1305 #elif (defined WIN32)
1306         if (hRC)
1307         {
1308                 wglMakeCurrent( NULL, NULL);
1309                 wglDeleteContext( hRC);
1310                 hRC = NULL;
1311         }
1312
1313         if (hDC)
1314         {
1315                 ReleaseDC( g_windowHandle, hDC);
1316                 hDC = NULL;
1317         }
1318
1319         if (g_windowHandle)
1320         {
1321                 ShowWindow( g_windowHandle, SW_HIDE );
1322                 DestroyWindow( g_windowHandle);
1323                 g_windowHandle = NULL;
1324         }
1325
1326         ShutdownDSp ();
1327         ClipCursor(NULL);
1328 #endif
1329 }
1330
1331 // --------------------------------------------------------------------------
1332
1333 static bool g_focused = true;
1334
1335
1336 static bool IsFocused()
1337 {
1338 #ifdef WIN32
1339         if (!g_focused)
1340                 return false;
1341
1342         if (GetActiveWindow() != g_windowHandle)
1343                 return false;
1344
1345         if (IsIconic( g_windowHandle))
1346                 return false;
1347 #endif
1348
1349         return true;
1350 }
1351
1352
1353 static void launch_web_browser(const char *url)
1354 {
1355 #ifdef WIN32
1356     ShellExecute(NULL, "open", url, NULL, NULL, SW_SHOWNORMAL);
1357
1358 #elif PLATFORM_LINUX
1359     const char *fmt = "PATH=$PATH:. xdg-open '%s'";
1360     const size_t len = strlen(fmt) + strlen(url) + 16;
1361     char *buf = new char[len];
1362     snprintf(buf, len, fmt, url);
1363     system(buf);
1364     delete[] buf;
1365 #endif
1366 }
1367
1368
1369 #ifndef WIN32
1370 // (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
1371 static char *findBinaryInPath(const char *bin, char *envr)
1372 {
1373     size_t alloc_size = 0;
1374     char *exe = NULL;
1375     char *start = envr;
1376     char *ptr;
1377
1378     do
1379     {
1380         size_t size;
1381         ptr = strchr(start, ':');  /* find next $PATH separator. */
1382         if (ptr)
1383             *ptr = '\0';
1384
1385         size = strlen(start) + strlen(bin) + 2;
1386         if (size > alloc_size)
1387         {
1388             char *x = (char *) realloc(exe, size);
1389             if (x == NULL)
1390             {
1391                 if (exe != NULL)
1392                     free(exe);
1393                 return(NULL);
1394             } /* if */
1395
1396             alloc_size = size;
1397             exe = x;
1398         } /* if */
1399
1400         /* build full binary path... */
1401         strcpy(exe, start);
1402         if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
1403             strcat(exe, "/");
1404         strcat(exe, bin);
1405
1406         if (access(exe, X_OK) == 0)  /* Exists as executable? We're done. */
1407         {
1408             strcpy(exe, start);  /* i'm lazy. piss off. */
1409             return(exe);
1410         } /* if */
1411
1412         start = ptr + 1;  /* start points to beginning of next element. */
1413     } while (ptr != NULL);
1414
1415     if (exe != NULL)
1416         free(exe);
1417
1418     return(NULL);  /* doesn't exist in path. */
1419 } /* findBinaryInPath */
1420
1421
1422 char *calcBaseDir(const char *argv0)
1423 {
1424     /* If there isn't a path on argv0, then look through the $PATH for it. */
1425     char *retval;
1426     char *envr;
1427
1428     char *ptr = strrchr(argv0, '/');
1429     if (strchr(argv0, '/'))
1430     {
1431         retval = strdup(argv0);
1432         if (retval)
1433             *(strrchr(retval, '/')) = '\0';
1434         return(retval);
1435     }
1436
1437     envr = getenv("PATH");
1438     if (!envr) return NULL;
1439     envr = strdup(envr);
1440     if (!envr) return NULL;
1441     retval = findBinaryInPath(argv0, envr);
1442     free(envr);
1443     return(retval);
1444 }
1445
1446 static inline void chdirToAppPath(const char *argv0)
1447 {
1448     char *dir = calcBaseDir(argv0);
1449     if (dir)
1450     {
1451         chdir(dir);
1452         free(dir);
1453     }
1454 }
1455 #endif
1456
1457
1458 int main(int argc, char **argv)
1459 {
1460     _argc = argc;
1461     _argv = argv;
1462 #ifndef WIN32
1463     chdirToAppPath(argv[0]);
1464 #endif
1465
1466         LOGFUNC;
1467
1468 #ifndef WIN32  // this is in WinMain, too.
1469         logger.start(true);
1470         memset( &g_theKeys, 0, sizeof( KeyMap));
1471 #endif
1472
1473     initSDLKeyTable();
1474
1475         try
1476         {
1477                 bool regnow = false;
1478                 {
1479                         Game game;
1480                         pgame = &game;
1481
1482                         //ofstream os("error.txt");
1483                         //os.close();
1484                         //ofstream os("log.txt");
1485                         //os.close();
1486
1487                         if (!SetUp (game))
1488                 return 42;
1489
1490                         while (!gDone&&!game.quit&&(!game.tryquit||!game.registered))
1491                         {
1492                                 if (IsFocused())
1493                                 {
1494                                         gameFocused = true;
1495
1496                                         // check windows messages
1497                                         #if USE_SDL
1498                                         game.deltah = 0;
1499                                         game.deltav = 0;
1500                                         SDL_Event e;
1501                                         // message pump
1502                                         while( SDL_PollEvent( &e ) )
1503                                         {
1504                                                 if( e.type == SDL_QUIT )
1505                                                 {
1506                                                         gDone=true;
1507                                                         break;
1508                                                 }
1509                                                 sdlEventProc(e, game);
1510                                         }
1511
1512                                         #elif (defined WIN32)
1513                                         MSG msg;
1514                                         // message pump
1515                                         while( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE | PM_NOYIELD ) )
1516                                         {
1517                                                 if( msg.message == WM_QUIT )
1518                                                 {
1519                                                         gDone=true;
1520                                                         break;
1521                                                 }
1522                                                 else
1523                                                 {
1524                                                         TranslateMessage( &msg );
1525                                                         DispatchMessage( &msg );
1526                                                 }
1527                                         }
1528                                         #endif
1529
1530                                         // game
1531                                         DoUpdate(game);
1532                                 }
1533                                 else
1534                                 {
1535                                         if (gameFocused)
1536                                         {
1537                                                 // allow game chance to pause
1538                                                 gameFocused = false;
1539                                                 DoUpdate(game);
1540                                         }
1541
1542                                         // game is not in focus, give CPU time to other apps by waiting for messages instead of 'peeking'
1543                     #ifdef WIN32
1544                                         MSG msg;
1545                                         BOOL bRet;
1546                                         //if (GetMessage( &msg, g_windowHandle, 0, 0 ))
1547                                         /*if (GetMessage( &msg, NULL, 0, 0 ))
1548                                         {
1549                                                 TranslateMessage(&msg);
1550                                                 DispatchMessage(&msg);
1551                                         }*/
1552                                         if ( (bRet = GetMessage( &msg, NULL, 0, 0 )) != 0)
1553                                         {
1554                                                 if (bRet <= 0)
1555                                                 {
1556                                                         // handle the error and possibly exit
1557                                                         gDone=true;
1558                                                 }
1559                                                 else
1560                                                 {
1561                                                         TranslateMessage(&msg);
1562                                                         DispatchMessage(&msg);
1563                                                 }
1564                                         }
1565                     #else
1566                     STUBBED("give up CPU but sniff the event queue");
1567                     #endif
1568                                 }
1569                         }
1570
1571                         regnow = game.registernow;
1572                 }
1573                 pgame = 0;
1574
1575                 CleanUp ();
1576 //              if(game.registernow){
1577                 if(regnow)
1578                 {
1579             #if PLATFORM_LINUX  // (this may not be necessary any more.)
1580             launch_web_browser("http://www.wolfire.com/registerlinux.html");
1581             #else
1582             launch_web_browser("http://www.wolfire.com/registerpc.html");
1583             #endif
1584                 }
1585
1586         #if PLATFORM_LINUX  // (this may not be necessary any more.)
1587         _exit(0);  // !!! FIXME: hack...crashes on exit!
1588         #endif
1589                 return 0;
1590         }
1591         catch (const std::exception& error)
1592         {
1593                 CleanUp();
1594
1595                 std::string e = "Caught exception: ";
1596                 e += error.what();
1597
1598                 LOG(e, Logger::LOG_ERR);
1599
1600                 MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
1601         }
1602
1603         CleanUp();
1604
1605         return -1;
1606 }
1607
1608
1609
1610         // --------------------------------------------------------------------------
1611
1612 #ifdef WIN32
1613 #define MAX_WINKEYS 256
1614         static unsigned short KeyTable[MAX_WINKEYS]=
1615         {
1616                 0xffff,  // (0)
1617                         MAC_MOUSEBUTTON1,  // VK_LBUTTON        (1)
1618                         MAC_MOUSEBUTTON2,  // VK_RBUTTON        (2)
1619                         0xffff,  // VK_CANCEL   (3)
1620                         0xffff,  // VK_MBUTTON  (4)
1621                         0xffff,  // (5)
1622                         0xffff,  // (6)
1623                         0xffff,  // (7)
1624                         MAC_DELETE_KEY,  // VK_BACK     (8)
1625                         MAC_TAB_KEY,  // VK_TAB (9)
1626                         0xffff,  // (10)
1627                         0xffff,  // (11)
1628                         0xffff,  // VK_CLEAR    (12)
1629                         MAC_RETURN_KEY,  // VK_RETURN   (13)
1630                         0xffff,  // (14)
1631                         0xffff,  // (15)
1632                         MAC_SHIFT_KEY,  // VK_SHIFT     (16)
1633                         MAC_CONTROL_KEY,  // VK_CONTROL (17)
1634                         MAC_OPTION_KEY,  // VK_MENU     (18)
1635                         0xffff,  // VK_PAUSE    (19)
1636                         MAC_CAPS_LOCK_KEY,  // #define VK_CAPITAL       (20)
1637                         0xffff,  // (21)
1638                         0xffff,  // (22)
1639                         0xffff,  // (23)
1640                         0xffff,  // (24)
1641                         0xffff,  // (25)
1642                         0xffff,  // (26)
1643                         MAC_ESCAPE_KEY,  // VK_ESCAPE   (27)
1644                         0xffff,  // (28)
1645                         0xffff,  // (29)
1646                         0xffff,  // (30)
1647                         0xffff,  // (31)
1648                         MAC_SPACE_KEY,  // VK_SPACE     (32)
1649                         MAC_PAGE_UP_KEY,  // VK_PRIOR   (33)
1650                         MAC_PAGE_DOWN_KEY,  // VK_NEXT  (34)
1651                         MAC_END_KEY,  // VK_END (35)
1652                         MAC_HOME_KEY,  // VK_HOME       (36)
1653                         MAC_ARROW_LEFT_KEY,  // VK_LEFT (37)
1654                         MAC_ARROW_UP_KEY,  // VK_UP     (38)
1655                         MAC_ARROW_RIGHT_KEY,  // VK_RIGHT       (39)
1656                         MAC_ARROW_DOWN_KEY,  // VK_DOWN (40)
1657                         0xffff,  // VK_SELECT   (41)
1658                         0xffff,  // VK_PRINT    (42)
1659                         0xffff,  // VK_EXECUTE  (43)
1660                         0xffff,  // VK_SNAPSHOT (44)
1661                         MAC_INSERT_KEY,  // VK_INSERT   (45)
1662                         MAC_DEL_KEY,  // VK_DELETE      (46)
1663                         0xffff,  // VK_HELP     (47)
1664                         MAC_0_KEY,  // VK_0     (48)
1665                         MAC_1_KEY,  // VK_1     (49)
1666                         MAC_2_KEY,  // VK_2     (50)
1667                         MAC_3_KEY,  // VK_3     (51)
1668                         MAC_4_KEY,  // VK_4     (52)
1669                         MAC_5_KEY,  // VK_5     (53)
1670                         MAC_6_KEY,  // VK_6     (54)
1671                         MAC_7_KEY,  // VK_7     (55)
1672                         MAC_8_KEY,  // VK_8     (56)
1673                         MAC_9_KEY,  // VK_9     (57)
1674                         0xffff,  // (58)
1675                         0xffff,  // (59)
1676                         0xffff,  // (60)
1677                         0xffff,  // (61)
1678                         0xffff,  // (62)
1679                         0xffff,  // (63)
1680                         0xffff,  // (64)
1681                         MAC_A_KEY,  // VK_A     (65)
1682                         MAC_B_KEY,  // VK_B     (66)
1683                         MAC_C_KEY,  // VK_C     (67)
1684                         MAC_D_KEY,  // VK_D     (68)
1685                         MAC_E_KEY,  // VK_E     (69)
1686                         MAC_F_KEY,  // VK_F     (70)
1687                         MAC_G_KEY,  // VK_G     (71)
1688                         MAC_H_KEY,  // VK_H     (72)
1689                         MAC_I_KEY,  // VK_I     (73)
1690                         MAC_J_KEY,  // VK_J     (74)
1691                         MAC_K_KEY,  // VK_K     (75)
1692                         MAC_L_KEY,  // VK_L     (76)
1693                         MAC_M_KEY,  // VK_M     (77)
1694                         MAC_N_KEY,  // VK_N     (78)
1695                         MAC_O_KEY,  // VK_O     (79)
1696                         MAC_P_KEY,  // VK_P     (80)
1697                         MAC_Q_KEY,  // VK_Q     (81)
1698                         MAC_R_KEY,  // VK_R     (82)
1699                         MAC_S_KEY,  // VK_S     (83)
1700                         MAC_T_KEY,  // VK_T     (84)
1701                         MAC_U_KEY,  // VK_U     (85)
1702                         MAC_V_KEY,  // VK_V     (86)
1703                         MAC_W_KEY,  // VK_W     (87)
1704                         MAC_X_KEY,  // VK_X     (88)
1705                         MAC_Y_KEY,  // VK_Y     (89)
1706                         MAC_Z_KEY,  // VK_Z     (90)
1707                         0xffff,  // (91)
1708                         0xffff,  // (92)
1709                         0xffff,  // (93)
1710                         0xffff,  // (94)
1711                         0xffff,  // (95)
1712                         MAC_NUMPAD_0_KEY,  // VK_NUMPAD0        (96)
1713                         MAC_NUMPAD_1_KEY,  // VK_NUMPAD1        (97)
1714                         MAC_NUMPAD_2_KEY,  // VK_NUMPAD2        (98)
1715                         MAC_NUMPAD_3_KEY,  // VK_NUMPAD3        (99)
1716                         MAC_NUMPAD_4_KEY,  // VK_NUMPAD4        (100)
1717                         MAC_NUMPAD_5_KEY,  // VK_NUMPAD5        (101)
1718                         MAC_NUMPAD_6_KEY,  // VK_NUMPAD6        (102)
1719                         MAC_NUMPAD_7_KEY,  // VK_NUMPAD7        (103)
1720                         MAC_NUMPAD_8_KEY,  // VK_NUMPAD8        (104)
1721                         MAC_NUMPAD_9_KEY,  // VK_NUMPAD9        (105)
1722                         MAC_NUMPAD_ASTERISK_KEY,  // VK_MULTIPLY        (106)
1723                         MAC_NUMPAD_PLUS_KEY,  // VK_ADD (107)
1724                         MAC_NUMPAD_ENTER_KEY,  // VK_SEPARATOR  (108)
1725                         MAC_NUMPAD_MINUS_KEY,  // VK_SUBTRACT   (109)
1726                         MAC_NUMPAD_PERIOD_KEY,  // VK_DECIMAL   (110)
1727                         MAC_NUMPAD_SLASH_KEY,  // VK_DIVIDE     (111)
1728                         MAC_F1_KEY,  // VK_F1   (112)
1729                         MAC_F2_KEY,  // VK_F2   (113)
1730                         MAC_F3_KEY,  // VK_F3   (114)
1731                         MAC_F4_KEY,  // VK_F4   (115)
1732                         MAC_F5_KEY,  // VK_F5   (116)
1733                         MAC_F6_KEY,  // VK_F6   (117)
1734                         MAC_F7_KEY,  // VK_F7   (118)
1735                         MAC_F8_KEY,  // VK_F8   (119)
1736                         MAC_F9_KEY,  // VK_F9   (120)
1737                         MAC_F10_KEY,  // VK_F10 (121)
1738                         MAC_F11_KEY,  // VK_F11 (122)
1739                         MAC_F12_KEY,  // VK_F12 (123)
1740                         0xffff,  // (124)
1741                         0xffff,  // (125)
1742                         0xffff,  // (126)
1743                         0xffff,  // (127)
1744                         0xffff,  // (128)
1745                         0xffff,  // (129)
1746                         0xffff,  // (130)
1747                         0xffff,  // (131)
1748                         0xffff,  // (132)
1749                         0xffff,  // (133)
1750                         0xffff,  // (134)
1751                         0xffff,  // (135)
1752                         0xffff,  // (136)
1753                         0xffff,  // (137)
1754                         0xffff,  // (138)
1755                         0xffff,  // (139)
1756                         0xffff,  // (130)
1757                         0xffff,  // (141)
1758                         0xffff,  // (142)
1759                         0xffff,  // (143)
1760                         0xffff,  // VK_NUMLOCK  (144)
1761                         0xffff,  // VK_SCROLL   (145)
1762                         0xffff,  // (146)
1763                         0xffff,  // (147)
1764                         0xffff,  // (148)
1765                         0xffff,  // (149)
1766                         0xffff,  // (150)
1767                         0xffff,  // (151)
1768                         0xffff,  // (152)
1769                         0xffff,  // (153)
1770                         0xffff,  // (154)
1771                         0xffff,  // (155)
1772                         0xffff,  // (156)
1773                         0xffff,  // (157)
1774                         0xffff,  // (158)
1775                         0xffff,  // (159)
1776                         MAC_SHIFT_KEY,  // VK_LSHIFT    (160)
1777                         MAC_SHIFT_KEY,  // VK_RSHIFT    (161)
1778                         MAC_CONTROL_KEY,  // VK_LCONTROL        (162)
1779                         MAC_CONTROL_KEY,  // VK_RCONTROL        (163)
1780                         MAC_OPTION_KEY,  // VK_LMENU    (164)
1781                         MAC_OPTION_KEY,  // VK_RMENU    (165)
1782                         0xffff,  // (166)
1783                         0xffff,  // (167)
1784                         0xffff,  // (168)
1785                         0xffff,  // (169)
1786                         0xffff,  // (170)
1787                         0xffff,  // (171)
1788                         0xffff,  // (172)
1789                         0xffff,  // (173)
1790                         0xffff,  // (174)
1791                         0xffff,  // (175)
1792                         0xffff,  // (176)
1793                         0xffff,  // (177)
1794                         0xffff,  // (178)
1795                         0xffff,  // (179)
1796                         0xffff,  // (180)
1797                         0xffff,  // (181)
1798                         0xffff,  // (182)
1799                         0xffff,  // (183)
1800                         0xffff,  // (184)
1801                         0xffff,  // (185)
1802                         MAC_SEMICOLON_KEY,  // (186)
1803                         MAC_PLUS_KEY,  // (187)
1804                         MAC_COMMA_KEY,  // (188)
1805                         MAC_MINUS_KEY,  // (189)
1806                         MAC_PERIOD_KEY,  // (190)
1807                         MAC_SLASH_KEY,  // (191)
1808                         MAC_TILDE_KEY,  // (192)
1809                         0xffff,  // (193)
1810                         0xffff,  // (194)
1811                         0xffff,  // (195)
1812                         0xffff,  // (196)
1813                         0xffff,  // (197)
1814                         0xffff,  // (198)
1815                         0xffff,  // (199)
1816                         0xffff,  // (200)
1817                         0xffff,  // (201)
1818                         0xffff,  // (202)
1819                         0xffff,  // (203)
1820                         0xffff,  // (204)
1821                         0xffff,  // (205)
1822                         0xffff,  // (206)
1823                         0xffff,  // (207)
1824                         0xffff,  // (208)
1825                         0xffff,  // (209)
1826                         0xffff,  // (210)
1827                         0xffff,  // (211)
1828                         0xffff,  // (212)
1829                         0xffff,  // (213)
1830                         0xffff,  // (214)
1831                         0xffff,  // (215)
1832                         0xffff,  // (216)
1833                         0xffff,  // (217)
1834                         0xffff,  // (218)
1835                         MAC_LEFTBRACKET_KEY,  // (219)
1836                         MAC_BACKSLASH_KEY,  // (220)
1837                         MAC_RIGHTBRACKET_KEY,  // (221)
1838                         MAC_APOSTROPHE_KEY,  // (222)
1839                         0xffff,  // (223)
1840                         0xffff,  // (224)
1841                         0xffff,  // (225)
1842                         0xffff,  // (226)
1843                         0xffff,  // (227)
1844                         0xffff,  // (228)
1845                         0xffff,  // (229)
1846                         0xffff,  // (230)
1847                         0xffff,  // (231)
1848                         0xffff,  // (232)
1849                         0xffff,  // (233)
1850                         0xffff,  // (234)
1851                         0xffff,  // (235)
1852                         0xffff,  // (236)
1853                         0xffff,  // (237)
1854                         0xffff,  // (238)
1855                         0xffff,  // (239)
1856                         0xffff,  // (240)
1857                         0xffff,  // (241)
1858                         0xffff,  // (242)
1859                         0xffff,  // (243)
1860                         0xffff,  // (244)
1861                         0xffff,  // (245)
1862                         0xffff,  // (246)
1863                         0xffff,  // (247)
1864                         0xffff,  // (248)
1865                         0xffff,  // (249)
1866                         0xffff,  // (250)
1867                         0xffff,  // (251)
1868                         0xffff,  // (252)
1869                         0xffff,  // (253)
1870                         0xffff,  // (254)
1871                         0xffff,  // (255)
1872         };
1873
1874         void ClipMouseToWindow(HWND window)
1875         {
1876                 RECT wRect;
1877
1878                 GetClientRect(window, &wRect);
1879
1880                 ClientToScreen(window, (LPPOINT)&wRect.left);
1881                 ClientToScreen(window, (LPPOINT)&wRect.right);
1882
1883                 ClipCursor(&wRect);
1884
1885                 return;
1886         }
1887
1888         LRESULT FAR PASCAL AppWndProc(HWND hWnd,UINT msg,WPARAM wParam,LPARAM lParam)
1889         {
1890                 /* this is where we receive all messages concerning this window
1891                 * we can either process a message or pass it on to the default
1892                 * message handler of windows */
1893
1894                 static PAINTSTRUCT ps;
1895
1896                 switch(msg)
1897                 {
1898                 case WM_ACTIVATE:       // Watch For Window Activate Message
1899                         {
1900                                 // Check Minimization State
1901                                 BOOL iconified = HIWORD(wParam) ? TRUE : FALSE;
1902
1903                                 if (LOWORD(wParam) == WA_INACTIVE)
1904                                 {
1905                                         ClipCursor(NULL);
1906
1907                                         if (fullscreen)
1908                                         {
1909                                                 if( !iconified )
1910                                                 {
1911                                                         // Minimize window
1912                                                         CloseWindow( hWnd );
1913
1914                                                         // The window is now iconified
1915                                                         iconified = GL_TRUE;
1916                                                 }
1917                                         }
1918
1919                                         ShutdownDSp();
1920
1921                                         g_focused=false;                                // Program Is Active
1922                                 }
1923                                 else
1924                                 {
1925                                         SetupDSpFullScreen();
1926
1927                                         if( iconified )
1928                                         {
1929                                                 // Minimize window
1930                                                 OpenIcon( hWnd );
1931
1932                                                 // The window is now iconified
1933                                                 iconified = GL_FALSE;
1934
1935                                                 // Activate window
1936                                                 ShowWindow( hWnd, SW_SHOW );
1937                                                 SetForegroundWindow( hWnd );
1938                                                 SetFocus( hWnd );
1939                                         }
1940
1941                                         ClipMouseToWindow(hWnd);
1942                                         g_focused=true;                 // Program Is No Longer Active
1943                                 }
1944
1945                                 return 0;                                               // Return To The Message Loop
1946                         }
1947
1948                 case WM_KEYDOWN:
1949                 case WM_SYSKEYDOWN:
1950                         {
1951                                 // check for Alt-F4 (exit hotkey)
1952                                 if (wParam == VK_F4)
1953                                 {
1954                                         if (GetKeyState( VK_MENU) & 0x8080)
1955                                         {
1956                                                 gDone = true;
1957                                                 break;
1958                                         }
1959                                 }
1960                                 if (wParam < MAX_WINKEYS)
1961                                 {
1962                                         if (KeyTable[wParam] != 0xffff)
1963                                                 SetKey( KeyTable[wParam]);
1964                                 }
1965                                 return (0);
1966                         }
1967
1968                 case WM_KEYUP:
1969                 case WM_SYSKEYUP:
1970                         {
1971                                 if (wParam < MAX_WINKEYS)
1972                                         if (KeyTable[wParam] != 0xffff)
1973                                                 ClearKey( KeyTable[wParam]);
1974                                 return (0);
1975                         }
1976
1977                 case WM_CHAR:
1978                 case WM_DEADCHAR:
1979                 case WM_SYSCHAR:
1980                 case WM_SYSDEADCHAR:
1981                         return (0);
1982
1983                 case WM_NCLBUTTONDOWN:
1984                 case WM_LBUTTONDOWN:
1985                         {
1986                                 g_button = true;
1987                                 buttons[ 0] = true;
1988                         }
1989                         return (0);
1990
1991                 case WM_NCRBUTTONDOWN:
1992                 case WM_RBUTTONDOWN:
1993                         {
1994                                 buttons[ 1] = true;
1995                         }
1996                         return (0);
1997
1998                 case WM_NCMBUTTONDOWN:
1999                 case WM_MBUTTONDOWN:
2000                         {
2001                                 buttons[ 2] = true;
2002                         }
2003                         return (0);
2004
2005                 case WM_NCLBUTTONUP:
2006                 case WM_LBUTTONUP:
2007                         {
2008                                 g_button = false;
2009                                 buttons[ 0] = false;
2010                         }
2011                         return (0);
2012
2013                 case WM_NCRBUTTONUP:
2014                 case WM_RBUTTONUP:
2015                         {
2016                                 buttons[ 1] = false;
2017                         }
2018                         return (0);
2019
2020                 case WM_NCMBUTTONUP:
2021                 case WM_MBUTTONUP:
2022                         {
2023                                 buttons[ 2] = false;
2024                         }
2025                         return (0);
2026
2027                 case WM_NCLBUTTONDBLCLK:
2028                 case WM_NCRBUTTONDBLCLK:
2029                 case WM_NCMBUTTONDBLCLK:
2030                 case WM_LBUTTONDBLCLK:
2031                         return (0);
2032                 case WM_RBUTTONDBLCLK:
2033                 case WM_MBUTTONDBLCLK:
2034                         return (0);
2035
2036                 case WM_NCMOUSEMOVE:
2037                 case WM_MOUSEMOVE:
2038                         /*                      ((WindowInfo *)g_lastWindow->GetInfo())->m_mouseX = (signed short)(lParam & 0xffff);
2039                         ((WindowInfo *)g_lastWindow->GetInfo())->m_mouseY = (signed short)(lParam >> 16);
2040                         if (g_lastWindow->m_mouseCallbacksEnabled) g_lastWindow->MouseMoveCallback();
2041                         *///                    goto winmessage;
2042                         return (0);
2043
2044                 case WM_SYSCOMMAND:                                             // Intercept System Commands
2045                         {
2046                                 switch (wParam)                                         // Check System Calls
2047                                 {
2048                                 case SC_SCREENSAVE:                             // Screensaver Trying To Start?
2049                                 case SC_MONITORPOWER:                   // Monitor Trying To Enter Powersave?
2050                                         return 0;                                       // Prevent From Happening
2051
2052                                         // User trying to access application menu using ALT?
2053                                 case SC_KEYMENU:
2054                                         return 0;
2055                                 }
2056                         }
2057                         break;
2058
2059                 case WM_MOVE:
2060 //                      {
2061 //                              ReleaseCapture();
2062 //                              ClipMouseToWindow(hWnd);
2063 //                      }
2064                         break;
2065
2066                 case WM_SIZE:
2067                         break;
2068
2069                 case WM_CLOSE:
2070                         {
2071                                 //gDone =  true;
2072                                 //game.tryquit=1;
2073                         }
2074                         //return (0);
2075
2076                 case WM_DESTROY:
2077                         {
2078                                 //ClipCursor(NULL);
2079                                 PostQuitMessage(0);  /* Terminate Application */
2080                         }
2081                         return (0);
2082
2083                 case WM_ERASEBKGND:
2084                         break;
2085
2086                 case WM_PAINT:
2087 //                      BeginPaint( g_windowHandle,&ps);
2088 //                      EndPaint( g_windowHandle,&ps);
2089                         break;
2090
2091                 default:
2092                         break;
2093                 }
2094
2095                 /* We processed the message and there
2096                 * is no processing by Windows necessary */
2097
2098                 /* We didn't process the message so let Windows do it */
2099                 return DefWindowProc(hWnd,msg,wParam,lParam);
2100         }
2101
2102
2103         static BOOL RegisterWindowClasses(HINSTANCE hFirstInstance)
2104         {
2105                 WNDCLASSEX wc;
2106                 memset( &wc, 0, sizeof( wc));
2107
2108                 /* Register the window class. */
2109                 wc.cbSize = sizeof(wc);
2110 #undef style
2111                 wc.style = (CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_OWNDC);  /* Combination of Class Styles */
2112                 wc.lpfnWndProc = AppWndProc;       /* Adress of Window Procedure */
2113                 wc.cbClsExtra = 0;                 /* Extra Bytes allocated for this Class */
2114                 wc.cbWndExtra = 0;                 /* Extra Bytes allocated for each Window */
2115                 wc.hInstance = hFirstInstance;     /* Handle of program instance */
2116                 wc.hIcon = LoadIcon( hFirstInstance, MAKEINTRESOURCE(IDI_LUGARU) );
2117                 wc.hCursor = LoadCursor(NULL, IDC_ARROW);
2118                 wc.hbrBackground = NULL;
2119                 wc.lpszMenuName  = NULL;
2120                 wc.lpszClassName = g_wndClassName; /* Name of the Window Class */
2121                 wc.hIconSm = LoadIcon( hFirstInstance, MAKEINTRESOURCE(IDI_LUGARU) );
2122
2123                 if (!RegisterClassEx(&wc)) return FALSE;  /* Register Class failed */
2124
2125                 return TRUE;
2126         }
2127 #endif
2128
2129         int resolutionID(int width, int height)
2130         {
2131                 int whichres;
2132                 whichres=-1;
2133                 if(width==640 && height==480)whichres=0;
2134                 if(width==800 && height==600)whichres=1;
2135                 if(width==1024 && height==768)whichres=2;
2136                 if(width==1280 && height==1024)whichres=3;
2137                 if(width==1600 && height==1200)whichres=4;
2138                 if(width==840 && height==524)whichres=5;
2139                 if(width==1024 && height==640)whichres=6;
2140                 if(width==1344 && height==840)whichres=7;
2141                 if(width==1920 && height==1200)whichres=8;
2142
2143                 return whichres;
2144         }
2145
2146         int closestResolution(int width, int height)
2147         {
2148                 int whichres;
2149                 whichres=-1;
2150                 if(width>=640 && height>=480)whichres=0;
2151                 if(width>=800 && height>=600)whichres=1;
2152                 if(width>=1024 && height>=768)whichres=2;
2153                 if(width>=1280 && height>=1024)whichres=3;
2154                 if(width>=1600 && height>=1200)whichres=4;
2155                 if(width==840 && height==524)whichres=5;
2156                 if(width==1024 && height==640)whichres=6;
2157                 if(width==1344 && height==840)whichres=7;
2158                 if(width>=1920 && height>=1200)whichres=8;
2159
2160                 return whichres;
2161         }
2162
2163         bool selectDetail(int & width, int & height, int & bpp, int & detail)
2164         {
2165                 bool res = true;
2166                 int whichres = closestResolution(width, height);
2167
2168                 while (true)
2169                 {
2170                         if(whichres<=0 || whichres>8){
2171                                 whichres = 0;
2172                                 width=640;
2173                                 height=480;
2174                         }
2175                         if(whichres==1){
2176                                 width=800;
2177                                 height=600;
2178                         }
2179                         if(whichres==2){
2180                                 width=1024;
2181                                 height=768;
2182                         }
2183                         if(whichres==3){
2184                                 width=1280;
2185                                 height=1024;
2186                         }
2187                         if(whichres==4){
2188                                 width=1600;
2189                                 height=1200;
2190                         }
2191                         if(whichres==5){
2192                                 width=840;
2193                                 height=524;
2194                         }
2195                         if(whichres==6){
2196                                 width=1024;
2197                                 height=640;
2198                         }
2199                         if(whichres==7){
2200                                 width=1344;
2201                                 height=840;
2202                         }
2203                         if(whichres==8){
2204                                 width=1920;
2205                                 height=1200;
2206                         }
2207
2208             // currently with SDL, we just use whatever the native bitdepth
2209             //  of the display is and don't care.
2210             #if USE_SDL
2211             break;
2212             #endif
2213
2214                         if ((detail != 0) && (resolutionDepths[whichres][1] != 0))
2215                         {
2216                                 break;
2217                         }
2218                         else if ((detail == 0) && (resolutionDepths[whichres][0] != 0))
2219                         {
2220                                 break;
2221                         }
2222                         else if ((detail != 0) && (resolutionDepths[whichres][0] != 0))
2223                         {
2224                                 res = false;
2225                                 detail = 0;
2226                                 break;
2227                         }
2228                         else
2229
2230             if (0 == whichres)
2231                         {
2232                                 break;
2233                         }
2234
2235                         --whichres;
2236                 }
2237
2238                 bpp = resolutionDepths[whichres][(detail != 0)];
2239
2240                 return res;
2241         }
2242
2243     #ifdef WIN32
2244         int __stdcall WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nShowCmd)
2245         {
2246                 int argc = 0;
2247                 LPWSTR * cl = CommandLineToArgvW(GetCommandLineW(), &argc);
2248                 if (argc > 1)
2249                 {
2250                         if (0 == _wcsicmp(cl[1], L"-windowed"))
2251                         {
2252                                 fullscreen = false;
2253                         }
2254                 }
2255
2256                 logger.start(true);
2257
2258                 memset( &g_theKeys, 0, sizeof( KeyMap));
2259
2260                 unsigned int i = 0;
2261                 DEVMODE mode;
2262                 memset(&mode, 0, sizeof(mode));
2263                 mode.dmSize = sizeof(mode);
2264                 while (EnumDisplaySettings(NULL, i++, &mode))
2265                 {
2266                         if (mode.dmBitsPerPel < 16)
2267                         {
2268                                 continue;
2269                         }
2270
2271                         int res = resolutionID(mode.dmPelsWidth, mode.dmPelsHeight);
2272
2273                         if (res > -1 && res < 8)
2274                         {
2275                                 if (DISP_CHANGE_SUCCESSFUL != ChangeDisplaySettings(&mode, CDS_TEST))
2276                                 {
2277                                         continue;
2278                                 }
2279
2280                                 switch(mode.dmBitsPerPel)
2281                                 {
2282                                 case 32:
2283                                 case 24:
2284                                         resolutionDepths[res][1] = mode.dmBitsPerPel;
2285                                         break;
2286                                 case 16:
2287                                         resolutionDepths[res][0] = mode.dmBitsPerPel;
2288                                         break;
2289                                 }
2290                         }
2291                 }
2292
2293                 /* if there is no Instance of our program in memory then register the window class */
2294                 if (hPrevInstance == NULL && !RegisterWindowClasses(hInstance))
2295                         return FALSE;  /* registration failed! */
2296
2297                 g_appInstance=hInstance;
2298
2299                 main(0, NULL);
2300
2301                 UnregisterClass( g_wndClassName, hInstance);
2302
2303                 return TRUE;
2304
2305         }
2306     #endif
2307
2308         extern int channels[100];
2309         extern FSOUND_SAMPLE * samp[100];
2310         extern FSOUND_STREAM * strm[20];
2311
2312         extern "C" void PlaySoundEx(int chan, FSOUND_SAMPLE *sptr, FSOUND_DSPUNIT *dsp, signed char startpaused)
2313         {
2314                 const FSOUND_SAMPLE * currSample = FSOUND_GetCurrentSample(channels[chan]);
2315                 if (currSample && currSample == samp[chan])
2316                 {
2317                         if (FSOUND_GetPaused(channels[chan]))
2318                         {
2319                                 FSOUND_StopSound(channels[chan]);
2320                                 channels[chan] = FSOUND_FREE;
2321                         }
2322                         else if (FSOUND_IsPlaying(channels[chan]))
2323                         {
2324                                 int loop_mode = FSOUND_GetLoopMode(channels[chan]);
2325                                 if (loop_mode & FSOUND_LOOP_OFF)
2326                                 {
2327                                         channels[chan] = FSOUND_FREE;
2328                                 }
2329                         }
2330                 }
2331                 else
2332                 {
2333                         channels[chan] = FSOUND_FREE;
2334                 }
2335
2336                 channels[chan] = FSOUND_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
2337                 if (channels[chan] < 0)
2338                 {
2339                         channels[chan] = FSOUND_PlaySoundEx(FSOUND_FREE, sptr, dsp, startpaused);
2340                 }
2341         }
2342
2343         extern "C" void PlayStreamEx(int chan, FSOUND_STREAM *sptr, FSOUND_DSPUNIT *dsp, signed char startpaused)
2344         {
2345                 const FSOUND_SAMPLE * currSample = FSOUND_GetCurrentSample(channels[chan]);
2346                 if (currSample && currSample == FSOUND_Stream_GetSample(sptr))
2347                 {
2348                                 FSOUND_StopSound(channels[chan]);
2349                                 FSOUND_Stream_Stop(sptr);
2350                 }
2351                 else
2352                 {
2353                         FSOUND_Stream_Stop(sptr);
2354                         channels[chan] = FSOUND_FREE;
2355                 }
2356
2357                 channels[chan] = FSOUND_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
2358                 if (channels[chan] < 0)
2359                 {
2360                         channels[chan] = FSOUND_Stream_PlayEx(FSOUND_FREE, sptr, dsp, startpaused);
2361                 }
2362         }
2363
2364         bool LoadImage(const char * fname, TGAImageRec & tex)
2365         {
2366                 bool res = true;
2367
2368                 if ( tex.data == NULL )
2369                 {
2370                         return false;
2371                 }
2372
2373         #if USE_DEVIL
2374                 ILstring f = strdup(ConvertFileName(fname));
2375                 if (!f)
2376                 {
2377                         return false;
2378                 }
2379
2380                 ILuint iid=0;
2381                 ilGenImages(1, &iid);
2382                 ilBindImage(iid);
2383                 if (ilLoadImage(f))
2384                 {
2385                         //iluFlipImage();
2386                         tex.sizeX = ilGetInteger(IL_IMAGE_WIDTH);
2387                         tex.sizeY = ilGetInteger(IL_IMAGE_HEIGHT);
2388                         tex.bpp = ilGetInteger(IL_IMAGE_BITS_PER_PIXEL);
2389                         ILuint Bpp = ilGetInteger(IL_IMAGE_BYTES_PER_PIXEL),
2390                                 imageSize = tex.sizeX * tex.sizeY * Bpp;
2391                         ILubyte *Data = ilGetData();
2392                         memcpy(tex.data, Data, imageSize);
2393
2394                         // Truvision Targa files are stored as BGR colors
2395                         // We want RGB so Blue and Red bytes are switched
2396                         if (IL_TGA == ilGetInteger(IL_IMAGE_FORMAT))
2397                         {
2398                                 // Loop Through The Image Data
2399                                 for (GLuint i = 0; i < int(imageSize); i += Bpp)
2400                                 {
2401                                         // Swaps The 1st And 3rd Bytes ('R'ed and 'B'lue)
2402                                         GLbyte temp;                                            // Temporary Variable
2403                                         temp = tex.data[i];                                     // Temporarily Store The Value At Image Data 'i'
2404                                         tex.data[i] = tex.data[i + 2];          // Set The 1st Byte To The Value Of The 3rd Byte
2405                                         tex.data[i + 2] = temp;                         // Set The 3rd Byte To The Value In 'temp' (1st Byte Value)
2406                                 }
2407                         }
2408                 }
2409                 else
2410                 {
2411                         res = false;
2412                 }
2413                 ilDeleteImages(1, &iid);
2414 /*
2415                 if (tid)
2416                 {
2417                         GLuint texid = ilutGLLoadImage(f);
2418                         *tid = texid;
2419                 }
2420                 else if (mip)
2421                 {
2422                         ilutGLBuildMipmaps()
2423                 }
2424                 else
2425                 {
2426                         ilutGLTexImage(0);
2427                 }
2428 */
2429                 free(f);
2430         #else
2431         res = load_image(fname, tex);
2432         //if (!res) printf("failed to load %s\n", fname);
2433         #endif
2434
2435                 return res;
2436         }
2437
2438         void ScreenShot(const char * fname)
2439         {
2440         #if USE_DEVIL
2441                 ILstring f = strdup(fname);
2442                 if (!f)
2443                 {
2444                         return;
2445                 }
2446
2447                 ILuint iid;
2448                 ilGenImages(1, &iid);
2449                 ilBindImage(iid);
2450                 if (ilutGLScreen())
2451                 {
2452                         ilSaveImage(f);
2453                 }
2454                 ilDeleteImages(1, &iid);
2455
2456                 free(f);
2457         #else
2458         save_image(fname);
2459         #endif
2460         }
2461
2462
2463 #if !USE_DEVIL
2464 static bool load_image(const char *file_name, TGAImageRec &tex)
2465 {
2466     char *ptr = strrchr(file_name, '.');
2467     if (ptr)
2468     {
2469         if (stricmp(ptr+1, "png") == 0)
2470             return load_png(file_name, tex);
2471         else if (stricmp(ptr+1, "jpg") == 0)
2472             return load_jpg(file_name, tex);
2473     }
2474
2475     STUBBED("Unsupported image type");
2476     return false;
2477 }
2478
2479
2480 struct my_error_mgr {
2481   struct jpeg_error_mgr pub;    /* "public" fields */
2482   jmp_buf setjmp_buffer;        /* for return to caller */
2483 };
2484 typedef struct my_error_mgr * my_error_ptr;
2485
2486
2487 static void my_error_exit(j_common_ptr cinfo)
2488 {
2489         struct my_error_mgr *err = (struct my_error_mgr *)cinfo->err;
2490         longjmp(err->setjmp_buffer, 1);
2491 }
2492
2493 /* stolen from public domain example.c code in libjpg distribution. */
2494 static bool load_jpg(const char *file_name, TGAImageRec &tex)
2495 {
2496     struct jpeg_decompress_struct cinfo;
2497     struct my_error_mgr jerr;
2498     JSAMPROW buffer[1];         /* Output row buffer */
2499     int row_stride;             /* physical row width in output buffer */
2500     FILE *infile = fopen(file_name, "rb");
2501
2502     if (infile == NULL)
2503         return false;
2504
2505     cinfo.err = jpeg_std_error(&jerr.pub);
2506     jerr.pub.error_exit = my_error_exit;
2507     if (setjmp(jerr.setjmp_buffer)) {
2508         jpeg_destroy_decompress(&cinfo);
2509         fclose(infile);
2510         return false;
2511     }
2512
2513     jpeg_create_decompress(&cinfo);
2514     jpeg_stdio_src(&cinfo, infile);
2515     (void) jpeg_read_header(&cinfo, TRUE);
2516
2517     cinfo.out_color_space = JCS_RGB;
2518     cinfo.quantize_colors = 0;
2519     (void) jpeg_calc_output_dimensions(&cinfo);
2520     (void) jpeg_start_decompress(&cinfo);
2521
2522     row_stride = cinfo.output_width * cinfo.output_components;
2523     tex.sizeX = cinfo.output_width;
2524     tex.sizeY = cinfo.output_height;
2525     tex.bpp = 24;
2526
2527     while (cinfo.output_scanline < cinfo.output_height) {
2528         buffer[0] = (JSAMPROW)(char *)tex.data +
2529                         ((cinfo.output_height-1) - cinfo.output_scanline) * row_stride;
2530         (void) jpeg_read_scanlines(&cinfo, buffer, 1);
2531     }
2532
2533     (void) jpeg_finish_decompress(&cinfo);
2534     jpeg_destroy_decompress(&cinfo);
2535     fclose(infile);
2536
2537     return true;
2538 }
2539
2540
2541 /* stolen from public domain example.c code in libpng distribution. */
2542 static bool load_png(const char *file_name, TGAImageRec &tex)
2543 {
2544     bool hasalpha = false;
2545     png_structp png_ptr = NULL;
2546     png_infop info_ptr = NULL;
2547     png_uint_32 width, height;
2548     int bit_depth, color_type, interlace_type;
2549     png_byte **rows = NULL;
2550     bool retval = false;
2551     png_byte **row_pointers = NULL;
2552     FILE *fp = fopen(file_name, "rb");
2553
2554     if (fp == NULL)
2555         return(NULL);
2556
2557     png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
2558     if (png_ptr == NULL)
2559         goto png_done;
2560
2561     info_ptr = png_create_info_struct(png_ptr);
2562     if (info_ptr == NULL)
2563         goto png_done;
2564
2565     if (setjmp(png_jmpbuf(png_ptr)))
2566         goto png_done;
2567
2568     png_init_io(png_ptr, fp);
2569     png_read_png(png_ptr, info_ptr,
2570                  PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_PACKING,
2571                  png_voidp_NULL);
2572     png_get_IHDR(png_ptr, info_ptr, &width, &height,
2573                  &bit_depth, &color_type, &interlace_type, NULL, NULL);
2574
2575     if (bit_depth != 8)  // transform SHOULD handle this...
2576         goto png_done;
2577
2578     if (color_type & PNG_COLOR_MASK_PALETTE)  // !!! FIXME?
2579         goto png_done;
2580
2581     if ((color_type & PNG_COLOR_MASK_COLOR) == 0)  // !!! FIXME?
2582         goto png_done;
2583
2584     hasalpha = ((color_type & PNG_COLOR_MASK_ALPHA) != 0);
2585     row_pointers = png_get_rows(png_ptr, info_ptr);
2586     if (!row_pointers)
2587         goto png_done;
2588
2589     if (!hasalpha)
2590     {
2591         png_byte *dst = tex.data;
2592         for (int i = height-1; i >= 0; i--)
2593         {
2594             png_byte *src = row_pointers[i];
2595             for (int j = 0; j < width; j++)
2596             {
2597                 dst[0] = src[0];
2598                 dst[1] = src[1];
2599                 dst[2] = src[2];
2600                 dst[3] = 0xFF;
2601                 src += 3;
2602                 dst += 4;
2603             }
2604         }
2605     }
2606
2607     else
2608     {
2609         png_byte *dst = tex.data;
2610         int pitch = width * 4;
2611         for (int i = height-1; i >= 0; i--, dst += pitch)
2612             memcpy(dst, row_pointers[i], pitch);
2613     }
2614
2615     tex.sizeX = width;
2616     tex.sizeY = height;
2617     tex.bpp = 32;
2618     retval = true;
2619
2620 png_done:
2621     png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
2622     if (fp)
2623         fclose(fp);
2624     return (retval);
2625 }
2626
2627
2628 static bool save_image(const char *file_name)
2629 {
2630     char *ptr = strrchr(file_name, '.');
2631     if (ptr)
2632     {
2633         if (stricmp(ptr+1, "png") == 0)
2634             return save_png(file_name);
2635     }
2636
2637     STUBBED("Unsupported image type");
2638     return false;
2639 }
2640
2641
2642 static bool save_png(const char *file_name)
2643 {
2644     FILE *fp = NULL;
2645     png_structp png_ptr = NULL;
2646     png_infop info_ptr = NULL;
2647     bool retval = false;
2648
2649     fp = fopen(file_name, "wb");
2650     if (fp == NULL)
2651         return false;
2652
2653     png_bytep *row_pointers = new png_bytep[kContextHeight];
2654     png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];
2655     if ((!screenshot) || (!row_pointers))
2656         goto save_png_done;
2657
2658     glGetError();
2659     glReadPixels(0, 0, kContextWidth, kContextHeight,
2660                  GL_RGB, GL_UNSIGNED_BYTE, screenshot);
2661     if (glGetError() != GL_NO_ERROR)
2662         goto save_png_done;
2663
2664     for (int i = 0; i < kContextHeight; i++)
2665         row_pointers[i] = screenshot + ((kContextWidth * ((kContextHeight-1) - i)) * 3);
2666
2667     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
2668     if (png_ptr == NULL)
2669         goto save_png_done;
2670
2671     info_ptr = png_create_info_struct(png_ptr);
2672     if (info_ptr == NULL)
2673         goto save_png_done;
2674
2675     if (setjmp(png_jmpbuf(png_ptr)))
2676         goto save_png_done;
2677
2678     png_init_io(png_ptr, fp);
2679
2680     if (setjmp(png_jmpbuf(png_ptr)))
2681         goto save_png_done;
2682
2683     png_set_IHDR(png_ptr, info_ptr, kContextWidth, kContextHeight,
2684                  8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
2685                  PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
2686
2687     png_write_info(png_ptr, info_ptr);
2688
2689     if (setjmp(png_jmpbuf(png_ptr)))
2690         goto save_png_done;
2691
2692         png_write_image(png_ptr, row_pointers);
2693
2694         if (setjmp(png_jmpbuf(png_ptr)))
2695         goto save_png_done;
2696
2697     png_write_end(png_ptr, NULL);
2698     retval = true;
2699
2700 save_png_done:
2701     png_destroy_write_struct(&png_ptr, &info_ptr);
2702     delete[] screenshot;
2703     delete[] row_pointers;
2704     if (fp)
2705         fclose(fp);
2706     if (!retval)
2707         unlink(ConvertFileName(file_name));
2708     return retval;
2709 }
2710
2711 #endif
2712