Source/OpenGL_Windows.cpp

   1 /*
   2 Copyright (C) 2003, 2010 - Wolfire Games
   3
   4 This file is part of Lugaru.
   5
   6 Lugaru is free software; you can redistribute it and/or
   7 modify it under the terms of the GNU General Public License
   8 as published by the Free Software Foundation; either version 2
   9 of the License, or (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  14
  15 See the GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20 */
  21
  22
  23 #ifdef WIN32
  24 #define UINT8 WIN32API_UINT8
  25 #define UINT16 WIN32API_UINT16
  26 #define boolean WIN32API_boolean
  27 #include <windows.h>
  28 #undef UINT8
  29 #undef UINT16
  30 #undef boolean
  31 #endif
  32
  33
  34
  35 #include "Game.h"
  36 extern "C" {
  37         #include "zlib.h"
  38         #include "png.h"
  39    #ifdef WIN32
  40                 #define INT32 INT32_jpeg
  41                 #include "jpeglib.h"
  42                 #undef INT32
  43         #else
  44                 #include "jpeglib.h"
  45         #endif
  46 }
  47
  48 static bool load_image(const char * fname, TGAImageRec & tex);
  49 static bool load_png(const char * fname, TGAImageRec & tex);
  50 static bool load_jpg(const char * fname, TGAImageRec & tex);
  51 static bool save_image(const char * fname);
  52 static bool save_png(const char * fname);
  53
  54
  55 #include "openal_wrapper.h"
  56
  57 // ADDED GWC
  58 #ifdef _MSC_VER
  59 #pragma comment(lib, "opengl32.lib")
  60 #pragma comment(lib, "glu32.lib")
  61 #pragma comment(lib, "glaux.lib")
  62 #endif
  63
  64 extern bool buttons[3];
  65 extern float multiplier;
  66 extern float screenwidth,screenheight;
  67 extern float sps;
  68 extern float realmultiplier;
  69 extern int slomo;
  70 extern bool ismotionblur;
  71 extern float usermousesensitivity;
  72 extern int detail;
  73 extern bool floatjump;
  74 extern bool cellophane;
  75 // MODIFIED GWC
  76 //extern int terraindetail;
  77 //extern int texdetail;
  78 extern float terraindetail;
  79 extern float texdetail;
  80 extern int bloodtoggle;
  81 extern bool osx;
  82 extern bool autoslomo;
  83 extern bool foliage;
  84 extern bool musictoggle;
  85 extern bool trilinear;
  86 extern float gamespeed;
  87 extern int difficulty;
  88 extern bool damageeffects;
  89 extern int numplayers;
  90 extern bool decals;
  91 extern bool invertmouse;
  92 extern bool texttoggle;
  93 extern bool ambientsound;
  94 extern bool mousejump;
  95 extern bool freeze;
  96 extern Person player[maxplayers];
  97 extern bool vblsync;
  98 extern bool stillloading;
  99 extern bool showpoints;
 100 extern bool alwaysblur;
 101 extern bool immediate;
 102 extern bool velocityblur;
 103 extern bool debugmode;
 104 extern int mainmenu;
 105 /*extern*/ bool gameFocused;
 106 extern int kBitsPerPixel;
 107 extern float slomospeed;
 108 extern float slomofreq;
 109 extern float oldgamespeed;
 110 extern float volume;
 111
 112 #include <math.h>
 113 #include <stdio.h>
 114 #include <string.h>
 115 #include <fstream>
 116 #include <iostream>
 117 #include "gamegl.h"
 118 #include "MacCompatibility.h"
 119
 120
 121 #ifdef WIN32
 122 #include <shellapi.h>
 123 #include "win-res/resource.h"
 124 #endif
 125
 126 using namespace std;
 127
 128
 129
 130 SDL_Rect **resolutions = NULL;
 131 static SDL_Rect rect_1024_768 = { 0, 0, 1024, 768 };
 132 static SDL_Rect rect_800_600  = { 0, 0, 800,  600 };
 133 static SDL_Rect rect_640_480  = { 0, 0, 640,  480 };
 134 static SDL_Rect *hardcoded_resolutions[] = {
 135     &rect_1024_768,
 136     &rect_800_600,
 137     &rect_640_480,
 138     NULL
 139 };
 140
 141
 142
 143 unsigned int resolutionDepths[8][2] = {0};
 144
 145 bool selectDetail(int & width, int & height, int & bpp, int & detail);
 146 int closestResolution(int width, int height);
 147 int resolutionID(int width, int height);
 148
 149 void ReportError (char * strError);
 150
 151 void SetupDSpFullScreen();
 152 void ShutdownDSp();
 153
 154 void DrawGL(Game & game);
 155
 156 void CreateGLWindow (void);
 157 Boolean SetUp (Game & game);
 158 void DoKey (SInt8 theKey, SInt8 theCode);
 159 void DoUpdate (Game & game);
 160
 161 void DoEvent (void);
 162 void CleanUp (void);
 163
 164
 165 // statics/globals (internal only) ------------------------------------------
 166 #ifndef WIN32
 167 typedef struct tagPOINT {
 168   int x;
 169   int y;
 170 } POINT, *PPOINT;
 171 #endif
 172
 173
 174
 175 #ifdef _MSC_VER
 176 #pragma warning(push)
 177 #pragma warning(disable: 4273)
 178 #endif
 179
 180 #define GL_FUNC(ret,fn,params,call,rt) \
 181     extern "C" { \
 182         static ret (GLAPIENTRY *p##fn) params = NULL; \
 183         ret GLAPIENTRY fn params { rt p##fn call; } \
 184     }
 185 #include "glstubs.h"
 186 #undef GL_FUNC
 187
 188 #ifdef _MSC_VER
 189 #pragma warning(pop)
 190 #endif
 191
 192 static bool lookup_glsym(const char *funcname, void **func)
 193 {
 194     *func = SDL_GL_GetProcAddress(funcname);
 195     if (*func == NULL)
 196     {
 197         fprintf(stderr, "Failed to find OpenGL symbol \"%s\"\n", funcname);
 198         return false;
 199     }
 200     return true;
 201 }
 202
 203 static bool lookup_all_glsyms(void)
 204 {
 205     bool retval = true;
 206     #define GL_FUNC(ret,fn,params,call,rt) \
 207         if (!lookup_glsym(#fn, (void **) &p##fn)) retval = false;
 208     #include "glstubs.h"
 209     #undef GL_FUNC
 210     return retval;
 211 }
 212
 213 static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textures)
 214 {
 215     // no-op.
 216 }
 217
 218
 219
 220 void sdlGetCursorPos(POINT *pt)
 221 {
 222     int x, y;
 223     SDL_GetMouseState(&x, &y);
 224     pt->x = x;
 225     pt->y = y;
 226 }
 227 #define GetCursorPos(x) sdlGetCursorPos(x)
 228 #define SetCursorPos(x, y) SDL_WarpMouse(x, y)
 229 #define ScreenToClient(x, pt)
 230 #define ClientToScreen(x, pt)
 231 #ifdef MessageBox
 232 #undef MessageBox
 233 #endif
 234 #define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
 235
 236
 237 Point delta;
 238
 239 static bool g_button, fullscreen = true;
 240
 241
 242 // Menu defs
 243 enum
 244 {
 245         kFileQuit = 1
 246 };
 247
 248 enum
 249 {
 250         kForegroundSleep = 10,
 251         kBackgroundSleep = 10000
 252 };
 253
 254
 255 int kContextWidth;
 256 int kContextHeight;
 257
 258 const RGBColor rgbBlack = { 0x0000, 0x0000, 0x0000 };
 259
 260 GLuint gFontList;
 261 char gcstrMode [256] = "";
 262
 263 UInt32 gSleepTime = kForegroundSleep;
 264 Boolean gDone = false, gfFrontProcess = true;
 265
 266 Game * pgame = 0;
 267
 268 #ifndef __MINGW32__
 269 static int _argc = 0;
 270 static char **_argv = NULL;
 271 #endif
 272
 273 bool cmdline(const char *cmd)
 274 {
 275     for (int i = 1; i < _argc; i++)
 276     {
 277         char *arg = _argv[i];
 278         while (*arg == '-')
 279             arg++;
 280         if (strcasecmp(arg, cmd) == 0)
 281             return true;
 282     }
 283
 284     return false;
 285 }
 286
 287
 288 // --------------------------------------------------------------------------
 289
 290 void ReportError (char * strError)
 291 {
 292 #ifdef _MSC_VER  // !!! FIXME.  --ryan.
 293         throw std::exception( strError);
 294 #endif
 295
 296         /*      char errMsgCStr [256];
 297         Str255 strErr;
 298
 299         sprintf (errMsgCStr, "%s", strError);
 300
 301         // out as debug string
 302         CToPStr (strErr, errMsgCStr);
 303         DebugStr (strErr);
 304         */
 305 }
 306
 307 void SetupDSpFullScreen ()
 308 {
 309 }
 310
 311
 312 void ShutdownDSp ()
 313 {
 314 }
 315
 316
 317 //-----------------------------------------------------------------------------------------------------------------------
 318
 319 // OpenGL Drawing
 320
 321 void DrawGL (Game & game)
 322 {
 323         if ( stereomode == stereoNone ) {
 324                 game.DrawGLScene(stereoCenter);
 325         } else {
 326                 game.DrawGLScene(stereoLeft);
 327                 game.DrawGLScene(stereoRight);
 328         }
 329 }
 330
 331
 332 static KeyMap g_theKeys;
 333
 334 void SetKey( int key)
 335 {
 336     g_theKeys[ key >> 3] |= (1 << (key & 7));
 337 }
 338
 339 void ClearKey( int key)
 340 {
 341     g_theKeys[ key >> 3] &= (0xff ^ (1 << (key & 7)));
 342 }
 343
 344 void GetKeys(  unsigned char theKeys[16])
 345 {
 346     memcpy( theKeys, &g_theKeys, 16);
 347 }
 348
 349 Boolean Button()
 350 {
 351     return g_button;
 352 }
 353
 354
 355 #define MAX_SDLKEYS SDLK_LAST
 356 static unsigned short KeyTable[MAX_SDLKEYS];
 357
 358 static void initSDLKeyTable(void)
 359 {
 360     memset(KeyTable, 0xFF, sizeof (KeyTable));
 361     KeyTable[SDLK_BACKSPACE] = MAC_DELETE_KEY;
 362     KeyTable[SDLK_TAB] = MAC_TAB_KEY;
 363     KeyTable[SDLK_RETURN] = MAC_RETURN_KEY;
 364     KeyTable[SDLK_ESCAPE] = MAC_ESCAPE_KEY;
 365     KeyTable[SDLK_SPACE] = MAC_SPACE_KEY;
 366     KeyTable[SDLK_PAGEUP] = MAC_PAGE_UP_KEY;
 367     KeyTable[SDLK_PAGEDOWN] = MAC_PAGE_DOWN_KEY;
 368     KeyTable[SDLK_END] = MAC_END_KEY;
 369     KeyTable[SDLK_HOME] = MAC_HOME_KEY;
 370     KeyTable[SDLK_LEFT] = MAC_ARROW_LEFT_KEY;
 371     KeyTable[SDLK_UP] = MAC_ARROW_UP_KEY;
 372     KeyTable[SDLK_RIGHT] = MAC_ARROW_RIGHT_KEY;
 373     KeyTable[SDLK_DOWN] = MAC_ARROW_DOWN_KEY;
 374     KeyTable[SDLK_INSERT] = MAC_INSERT_KEY;
 375     KeyTable[SDLK_DELETE] = MAC_DEL_KEY;
 376     KeyTable[SDLK_0] = MAC_0_KEY;
 377     KeyTable[SDLK_1] = MAC_1_KEY;
 378     KeyTable[SDLK_2] = MAC_2_KEY;
 379     KeyTable[SDLK_3] = MAC_3_KEY;
 380     KeyTable[SDLK_4] = MAC_4_KEY;
 381     KeyTable[SDLK_5] = MAC_5_KEY;
 382     KeyTable[SDLK_6] = MAC_6_KEY;
 383     KeyTable[SDLK_7] = MAC_7_KEY;
 384     KeyTable[SDLK_8] = MAC_8_KEY;
 385     KeyTable[SDLK_9] = MAC_9_KEY;
 386     KeyTable[SDLK_a] = MAC_A_KEY;
 387     KeyTable[SDLK_b] = MAC_B_KEY;
 388     KeyTable[SDLK_c] = MAC_C_KEY;
 389     KeyTable[SDLK_d] = MAC_D_KEY;
 390     KeyTable[SDLK_e] = MAC_E_KEY;
 391     KeyTable[SDLK_f] = MAC_F_KEY;
 392     KeyTable[SDLK_g] = MAC_G_KEY;
 393     KeyTable[SDLK_h] = MAC_H_KEY;
 394     KeyTable[SDLK_i] = MAC_I_KEY;
 395     KeyTable[SDLK_j] = MAC_J_KEY;
 396     KeyTable[SDLK_k] = MAC_K_KEY;
 397     KeyTable[SDLK_l] = MAC_L_KEY;
 398     KeyTable[SDLK_m] = MAC_M_KEY;
 399     KeyTable[SDLK_n] = MAC_N_KEY;
 400     KeyTable[SDLK_o] = MAC_O_KEY;
 401     KeyTable[SDLK_p] = MAC_P_KEY;
 402     KeyTable[SDLK_q] = MAC_Q_KEY;
 403     KeyTable[SDLK_r] = MAC_R_KEY;
 404     KeyTable[SDLK_s] = MAC_S_KEY;
 405     KeyTable[SDLK_t] = MAC_T_KEY;
 406     KeyTable[SDLK_u] = MAC_U_KEY;
 407     KeyTable[SDLK_v] = MAC_V_KEY;
 408     KeyTable[SDLK_w] = MAC_W_KEY;
 409     KeyTable[SDLK_x] = MAC_X_KEY;
 410     KeyTable[SDLK_y] = MAC_Y_KEY;
 411     KeyTable[SDLK_z] = MAC_Z_KEY;
 412     KeyTable[SDLK_KP0] = MAC_NUMPAD_0_KEY;
 413     KeyTable[SDLK_KP1] = MAC_NUMPAD_1_KEY;
 414     KeyTable[SDLK_KP2] = MAC_NUMPAD_2_KEY;
 415     KeyTable[SDLK_KP3] = MAC_NUMPAD_3_KEY;
 416     KeyTable[SDLK_KP4] = MAC_NUMPAD_4_KEY;
 417     KeyTable[SDLK_KP5] = MAC_NUMPAD_5_KEY;
 418     KeyTable[SDLK_KP6] = MAC_NUMPAD_6_KEY;
 419     KeyTable[SDLK_KP7] = MAC_NUMPAD_7_KEY;
 420     KeyTable[SDLK_KP8] = MAC_NUMPAD_8_KEY;
 421     KeyTable[SDLK_KP9] = MAC_NUMPAD_9_KEY;
 422     KeyTable[SDLK_KP_MULTIPLY] = MAC_NUMPAD_ASTERISK_KEY;
 423     KeyTable[SDLK_KP_PLUS] = MAC_NUMPAD_PLUS_KEY;
 424     KeyTable[SDLK_KP_ENTER] = MAC_NUMPAD_ENTER_KEY;
 425     KeyTable[SDLK_KP_MINUS] = MAC_NUMPAD_MINUS_KEY;
 426     KeyTable[SDLK_KP_PERIOD] = MAC_NUMPAD_PERIOD_KEY;
 427     KeyTable[SDLK_KP_DIVIDE] = MAC_NUMPAD_SLASH_KEY;
 428     KeyTable[SDLK_F1] = MAC_F1_KEY;
 429     KeyTable[SDLK_F2] = MAC_F2_KEY;
 430     KeyTable[SDLK_F3] = MAC_F3_KEY;
 431     KeyTable[SDLK_F4] = MAC_F4_KEY;
 432     KeyTable[SDLK_F5] = MAC_F5_KEY;
 433     KeyTable[SDLK_F6] = MAC_F6_KEY;
 434     KeyTable[SDLK_F7] = MAC_F7_KEY;
 435     KeyTable[SDLK_F8] = MAC_F8_KEY;
 436     KeyTable[SDLK_F9] = MAC_F9_KEY;
 437     KeyTable[SDLK_F10] = MAC_F10_KEY;
 438     KeyTable[SDLK_F11] = MAC_F11_KEY;
 439     KeyTable[SDLK_F12] = MAC_F12_KEY;
 440     KeyTable[SDLK_SEMICOLON] = MAC_SEMICOLON_KEY;
 441     KeyTable[SDLK_PLUS] = MAC_PLUS_KEY;
 442     KeyTable[SDLK_COMMA] = MAC_COMMA_KEY;
 443     KeyTable[SDLK_MINUS] = MAC_MINUS_KEY;
 444     KeyTable[SDLK_PERIOD] = MAC_PERIOD_KEY;
 445     KeyTable[SDLK_SLASH] = MAC_SLASH_KEY;
 446     KeyTable[SDLK_BACKQUOTE] = MAC_TILDE_KEY;
 447     KeyTable[SDLK_LEFTBRACKET] = MAC_LEFTBRACKET_KEY;
 448     KeyTable[SDLK_BACKSLASH] = MAC_BACKSLASH_KEY;
 449     KeyTable[SDLK_RIGHTBRACKET] = MAC_RIGHTBRACKET_KEY;
 450     KeyTable[SDLK_QUOTE] = MAC_APOSTROPHE_KEY;
 451 }
 452
 453 static inline int clamp_sdl_mouse_button(Uint8 button)
 454 {
 455     if (button == 2)   // right mouse button is button 3 in SDL.
 456         button = 3;
 457     else if (button == 3)
 458         button = 2;
 459
 460     if ((button >= 1) && (button <= 3))
 461         return button - 1;
 462     return -1;
 463 }
 464
 465 static void sdlEventProc(const SDL_Event &e, Game &game)
 466 {
 467     int val;
 468     bool skipkey = false;
 469     SDLMod mod;
 470
 471     switch(e.type)
 472         {
 473         case SDL_MOUSEMOTION:
 474             game.deltah += e.motion.xrel;
 475             game.deltav += e.motion.yrel;
 476             return;
 477
 478                 case SDL_MOUSEBUTTONDOWN:
 479                         {
 480                 val = clamp_sdl_mouse_button(e.button.button);
 481                 if ((val >= 0) && (val <= 2))
 482                 {
 483                     if (val == 0)
 484                                     g_button = true;
 485                                 buttons[val] = true;
 486                 }
 487                         }
 488                         return;
 489
 490                 case SDL_MOUSEBUTTONUP:
 491                         {
 492                 val = clamp_sdl_mouse_button(e.button.button);
 493                 if ((val >= 0) && (val <= 2))
 494                 {
 495                     if (val == 0)
 496                                     g_button = false;
 497                                 buttons[val] = false;
 498                 }
 499                         }
 500             return;
 501
 502         case SDL_KEYDOWN:
 503             if (e.key.keysym.sym == SDLK_g)
 504             {
 505                 if (e.key.keysym.mod & KMOD_CTRL)
 506                 {
 507                     skipkey = true;
 508                     SDL_GrabMode mode = SDL_GRAB_ON;
 509                     if ((SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) == 0)
 510                     {
 511                         mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
 512                         mode = (mode==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON;
 513                     }
 514                     SDL_WM_GrabInput(mode);
 515                 }
 516             }
 517
 518             else if (e.key.keysym.sym == SDLK_RETURN)
 519             {
 520                 if (e.key.keysym.mod & KMOD_ALT)
 521                 {
 522                     skipkey = true;
 523                     SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
 524                 }
 525             }
 526
 527             if ((!skipkey) && (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_META)
 539                 SetKey(MAC_COMMAND_KEY);
 540             if (mod & KMOD_SHIFT)
 541                 SetKey(MAC_SHIFT_KEY);
 542             if (mod & KMOD_CAPS)
 543                 SetKey(MAC_CAPS_LOCK_KEY);
 544
 545             return;
 546
 547         case SDL_KEYUP:
 548             if (e.key.keysym.sym < SDLK_LAST)
 549             {
 550                 if (KeyTable[e.key.keysym.sym] != 0xffff)
 551                     ClearKey(KeyTable[e.key.keysym.sym]);
 552             }
 553
 554             mod = SDL_GetModState();
 555             if ((mod & KMOD_CTRL) == 0)
 556                 ClearKey(MAC_CONTROL_KEY);
 557             if ((mod & KMOD_ALT) == 0)
 558                 ClearKey(MAC_OPTION_KEY);
 559             if ((mod & KMOD_META) == 0)
 560                 ClearKey(MAC_COMMAND_KEY);
 561             if ((mod & KMOD_SHIFT) == 0)
 562                 ClearKey(MAC_SHIFT_KEY);
 563             if ((mod & KMOD_CAPS) == 0)
 564                 ClearKey(MAC_CAPS_LOCK_KEY);
 565             return;
 566     }
 567 }
 568
 569
 570 // --------------------------------------------------------------------------
 571
 572 static Point gMidPoint;
 573
 574 Boolean SetUp (Game & game)
 575 {
 576         char string[10];
 577
 578         LOGFUNC;
 579
 580         randSeed = UpTime().lo;
 581
 582         osx = 0;
 583         ifstream ipstream(ConvertFileName(":Data:config.txt"), std::ios::in /*| std::ios::nocreate*/);
 584         detail=1;
 585         ismotionblur=0;
 586         usermousesensitivity=1;
 587         kContextWidth=640;
 588         kContextHeight=480;
 589         kBitsPerPixel = 32;
 590         floatjump=0;
 591         cellophane=0;
 592         texdetail=4;
 593         autoslomo=1;
 594         decals=1;
 595         invertmouse=0;
 596         bloodtoggle=0;
 597         terraindetail=2;
 598         foliage=1;
 599         musictoggle=1;
 600         trilinear=1;
 601         gamespeed=1;
 602         difficulty=1;
 603         damageeffects=0;
 604         texttoggle=1;
 605         alwaysblur=0;
 606         showpoints=0;
 607         immediate=0;
 608         velocityblur=0;
 609
 610         slomospeed=0.25;
 611         slomofreq=8012;
 612
 613         volume = 0.8f;
 614
 615         game.crouchkey=MAC_SHIFT_KEY;
 616         game.jumpkey=MAC_SPACE_KEY;
 617         game.leftkey=MAC_A_KEY;
 618         game.forwardkey=MAC_W_KEY;
 619         game.backkey=MAC_S_KEY;
 620         game.rightkey=MAC_D_KEY;
 621         game.drawkey=MAC_E_KEY;
 622         game.throwkey=MAC_Q_KEY;
 623         game.attackkey=MAC_MOUSEBUTTON1;
 624         game.chatkey=MAC_T_KEY;
 625         numplayers=1;
 626         ambientsound=1;
 627         vblsync=0;
 628         debugmode=0;
 629
 630         selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
 631
 632         if(!ipstream) {
 633                 ofstream opstream(ConvertFileName(":Data:config.txt", "w"));
 634                 opstream << "Screenwidth:\n";
 635                 opstream << kContextWidth;
 636                 opstream << "\nScreenheight:\n";
 637                 opstream << kContextHeight;
 638                 opstream << "\nMouse sensitivity:\n";
 639                 opstream << usermousesensitivity;
 640                 opstream << "\nBlur(0,1):\n";
 641                 opstream << ismotionblur;
 642                 opstream << "\nOverall Detail(0,1,2) higher=better:\n";
 643                 opstream << detail;
 644                 opstream << "\nFloating jump:\n";
 645                 opstream << floatjump;
 646                 opstream << "\nMouse jump:\n";
 647                 opstream << mousejump;
 648                 opstream << "\nAmbient sound:\n";
 649                 opstream << ambientsound;
 650                 opstream << "\nBlood (0,1,2):\n";
 651                 opstream << bloodtoggle;
 652                 opstream << "\nAuto slomo:\n";
 653                 opstream << autoslomo;
 654                 opstream << "\nFoliage:\n";
 655                 opstream << foliage;
 656                 opstream << "\nMusic:\n";
 657                 opstream << musictoggle;
 658                 opstream << "\nTrilinear:\n";
 659                 opstream << trilinear;
 660                 opstream << "\nDecals(shadows,blood puddles,etc):\n";
 661                 opstream << decals;
 662                 opstream << "\nInvert mouse:\n";
 663                 opstream << invertmouse;
 664                 opstream << "\nGamespeed:\n";
 665                 opstream << gamespeed;
 666                 opstream << "\nDifficulty(0,1,2) higher=harder:\n";
 667                 opstream << difficulty;
 668                 opstream << "\nDamage effects(blackout, doublevision):\n";
 669                 opstream << damageeffects;
 670                 opstream << "\nText:\n";
 671                 opstream << texttoggle;
 672                 opstream << "\nDebug:\n";
 673                 opstream << debugmode;
 674                 opstream << "\nVBL Sync:\n";
 675                 opstream << vblsync;
 676                 opstream << "\nShow Points:\n";
 677                 opstream << showpoints;
 678                 opstream << "\nAlways Blur:\n";
 679                 opstream << alwaysblur;
 680                 opstream << "\nImmediate mode (turn on on G5):\n";
 681                 opstream << immediate;
 682                 opstream << "\nVelocity blur:\n";
 683                 opstream << velocityblur;
 684                 opstream << "\nVolume:\n";
 685                 opstream << volume;
 686                 opstream << "\nForward key:\n";
 687                 opstream << KeyToChar(game.forwardkey);
 688                 opstream << "\nBack key:\n";
 689                 opstream << KeyToChar(game.backkey);
 690                 opstream << "\nLeft key:\n";
 691                 opstream << KeyToChar(game.leftkey);
 692                 opstream << "\nRight key:\n";
 693                 opstream << KeyToChar(game.rightkey);
 694                 opstream << "\nJump key:\n";
 695                 opstream << KeyToChar(game.jumpkey);
 696                 opstream << "\nCrouch key:\n";
 697                 opstream << KeyToChar(game.crouchkey);
 698                 opstream << "\nDraw key:\n";
 699                 opstream << KeyToChar(game.drawkey);
 700                 opstream << "\nThrow key:\n";
 701                 opstream << KeyToChar(game.throwkey);
 702                 opstream << "\nAttack key:\n";
 703                 opstream << KeyToChar(game.attackkey);
 704                 opstream << "\nChat key:\n";
 705                 opstream << KeyToChar(game.chatkey);
 706                 opstream << "\nStereoMode:\n";
 707                 opstream << stereomode;
 708                 opstream << "\nStereoSeparation:\n";
 709                 opstream << stereoseparation;
 710                 opstream << "\nStereoReverse:\n";
 711                 opstream << stereoreverse;
 712                 opstream.close();
 713         }
 714         if(ipstream){
 715                 int i;
 716                 ipstream.ignore(256,'\n');
 717                 ipstream >> kContextWidth;
 718                 ipstream.ignore(256,'\n');
 719                 ipstream.ignore(256,'\n');
 720                 ipstream >> kContextHeight;
 721                 ipstream.ignore(256,'\n');
 722                 ipstream.ignore(256,'\n');
 723                 ipstream >> usermousesensitivity;
 724                 ipstream.ignore(256,'\n');
 725                 ipstream.ignore(256,'\n');
 726                 ipstream >> i;
 727                 ismotionblur = (i != 0);
 728                 ipstream.ignore(256,'\n');
 729                 ipstream.ignore(256,'\n');
 730                 ipstream >> detail;
 731                 if(detail!=0)kBitsPerPixel=32;
 732                 else kBitsPerPixel=16;
 733                 ipstream.ignore(256,'\n');
 734                 ipstream.ignore(256,'\n');
 735                 ipstream >> i;
 736                 floatjump = (i != 0);
 737                 ipstream.ignore(256,'\n');
 738                 ipstream.ignore(256,'\n');
 739                 ipstream >> i;
 740                 mousejump = (i != 0);
 741                 ipstream.ignore(256,'\n');
 742                 ipstream.ignore(256,'\n');
 743                 ipstream >> i;
 744                 ambientsound = (i != 0);
 745                 ipstream.ignore(256,'\n');
 746                 ipstream.ignore(256,'\n');
 747                 ipstream >> bloodtoggle;
 748                 ipstream.ignore(256,'\n');
 749                 ipstream.ignore(256,'\n');
 750                 ipstream >> i;
 751                 autoslomo = (i != 0);
 752                 ipstream.ignore(256,'\n');
 753                 ipstream.ignore(256,'\n');
 754                 ipstream >> i;
 755                 foliage = (i != 0);
 756                 ipstream.ignore(256,'\n');
 757                 ipstream.ignore(256,'\n');
 758                 ipstream >> i;
 759                 musictoggle = (i != 0);
 760                 ipstream.ignore(256,'\n');
 761                 ipstream.ignore(256,'\n');
 762                 ipstream >> i;
 763                 trilinear = (i != 0);
 764                 ipstream.ignore(256,'\n');
 765                 ipstream.ignore(256,'\n');
 766                 ipstream >> i;
 767                 decals = (i != 0);
 768                 ipstream.ignore(256,'\n');
 769                 ipstream.ignore(256,'\n');
 770                 ipstream >> i;
 771                 invertmouse = (i != 0);
 772                 ipstream.ignore(256,'\n');
 773                 ipstream.ignore(256,'\n');
 774                 ipstream >> gamespeed;
 775                 oldgamespeed=gamespeed;
 776                 if(oldgamespeed==0){
 777                         gamespeed=1;
 778                         oldgamespeed=1;
 779                 }
 780                 ipstream.ignore(256,'\n');
 781                 ipstream.ignore(256,'\n');
 782                 ipstream >> difficulty;
 783                 ipstream.ignore(256,'\n');
 784                 ipstream.ignore(256,'\n');
 785                 ipstream >> i;
 786                 damageeffects = (i != 0);
 787                 ipstream.ignore(256,'\n');
 788                 ipstream.ignore(256,'\n');
 789                 ipstream >> i;
 790                 texttoggle = (i != 0);
 791                 ipstream.ignore(256,'\n');
 792                 ipstream.ignore(256,'\n');
 793                 ipstream >> i;
 794                 debugmode = (i != 0);
 795                 ipstream.ignore(256,'\n');
 796                 ipstream.ignore(256,'\n');
 797                 ipstream >> i;
 798                 vblsync = (i != 0);
 799                 ipstream.ignore(256,'\n');
 800                 ipstream.ignore(256,'\n');
 801                 ipstream >> i;
 802                 showpoints = (i != 0);
 803                 ipstream.ignore(256,'\n');
 804                 ipstream.ignore(256,'\n');
 805                 ipstream >> i;
 806                 alwaysblur = (i != 0);
 807                 ipstream.ignore(256,'\n');
 808                 ipstream.ignore(256,'\n');
 809                 ipstream >> i;
 810                 immediate = (i != 0);
 811                 ipstream.ignore(256,'\n');
 812                 ipstream.ignore(256,'\n');
 813                 ipstream >> i;
 814                 velocityblur = (i != 0);
 815                 ipstream.ignore(256,'\n');
 816                 ipstream.ignore(256,'\n');
 817                 ipstream >> volume;
 818                 ipstream.ignore(256,'\n');
 819                 ipstream.ignore(256,'\n');
 820                 ipstream >> string;
 821                 game.forwardkey=CharToKey(string);
 822                 ipstream.ignore(256,'\n');
 823                 ipstream.ignore(256,'\n');
 824                 ipstream >> string;
 825                 game.backkey=CharToKey(string);
 826                 ipstream.ignore(256,'\n');
 827                 ipstream.ignore(256,'\n');
 828                 ipstream >> string;
 829                 game.leftkey=CharToKey(string);
 830                 ipstream.ignore(256,'\n');
 831                 ipstream.ignore(256,'\n');
 832                 ipstream >> string;
 833                 game.rightkey=CharToKey(string);
 834                 ipstream.ignore(256,'\n');
 835                 ipstream.ignore(256,'\n');
 836                 ipstream >> string;
 837                 game.jumpkey=CharToKey(string);
 838                 ipstream.ignore(256,'\n');
 839                 ipstream.ignore(256,'\n');
 840                 ipstream >> string;
 841                 game.crouchkey=CharToKey(string);
 842                 ipstream.ignore(256,'\n');
 843                 ipstream.ignore(256,'\n');
 844                 ipstream >> string;
 845                 game.drawkey=CharToKey(string);
 846                 ipstream.ignore(256,'\n');
 847                 ipstream.ignore(256,'\n');
 848                 ipstream >> string;
 849                 game.throwkey=CharToKey(string);
 850                 ipstream.ignore(256,'\n');
 851                 ipstream.ignore(256,'\n');
 852                 ipstream >> string;
 853                 game.attackkey=CharToKey(string);
 854                 ipstream.ignore(256,'\n');
 855                 ipstream.ignore(256,'\n');
 856                 ipstream >> string;
 857                 game.chatkey=CharToKey(string);
 858                 ipstream.ignore(256,'\n');
 859                 ipstream.ignore(256,'\n');
 860                 if (!ipstream.eof()) {
 861                         ipstream >> i;
 862                         stereomode = (StereoMode)i;
 863                         ipstream.ignore(256,'\n');
 864                         ipstream.ignore(256,'\n');
 865                         ipstream >> stereoseparation;
 866                         ipstream.ignore(256,'\n');
 867                         ipstream.ignore(256,'\n');
 868                         ipstream >> stereoreverse;
 869                 }
 870                 ipstream.close();
 871
 872                 if(detail>2)detail=2;
 873                 if(detail<0)detail=0;
 874                 if(screenwidth<0)screenwidth=640;
 875                 if(screenheight<0)screenheight=480;
 876
 877         }
 878         if(kBitsPerPixel!=32&&kBitsPerPixel!=16){
 879                 kBitsPerPixel=16;
 880         }
 881
 882
 883         selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
 884
 885         SetupDSpFullScreen();
 886
 887
 888     if (!SDL_WasInit(SDL_INIT_VIDEO))
 889     {
 890         if (SDL_Init(SDL_INIT_VIDEO) == -1)
 891         {
 892             fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
 893             return false;
 894         }
 895
 896         if (SDL_GL_LoadLibrary(NULL) == -1)
 897         {
 898             fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
 899             SDL_Quit();
 900             return false;
 901         }
 902
 903         SDL_Rect **res = SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_OPENGL);
 904         if ( (res == NULL) || (res == ((SDL_Rect **)-1)) || (res[0] == NULL) || (res[0]->w < 640) || (res[0]->h < 480) )
 905             res = hardcoded_resolutions;
 906
 907         // reverse list (it was sorted biggest to smallest by SDL)...
 908         int count;
 909         for (count = 0; res[count]; count++)
 910         {
 911             if ((res[count]->w < 640) || (res[count]->h < 480))
 912                 break;   // sane lower limit.
 913         }
 914
 915         static SDL_Rect *resolutions_block = NULL;
 916         resolutions_block = (SDL_Rect*) realloc(resolutions_block, sizeof (SDL_Rect) * count);
 917         resolutions = (SDL_Rect**) realloc(resolutions, sizeof (SDL_Rect *) * (count + 1));
 918         if ((resolutions_block == NULL) || (resolutions == NULL))
 919         {
 920             SDL_Quit();
 921             fprintf(stderr, "Out of memory!\n");
 922             return false;
 923         }
 924
 925         resolutions[count--] = NULL;
 926         for (int i = 0; count >= 0; i++, count--)
 927         {
 928             memcpy(&resolutions_block[count], res[i], sizeof (SDL_Rect));
 929             resolutions[count] = &resolutions_block[count];
 930         }
 931
 932         if (cmdline("showresolutions"))
 933         {
 934             printf("Resolutions we think are okay:\n");
 935             for (int i = 0; resolutions[i]; i++)
 936                 printf("  %d x %d\n", (int) resolutions[i]->w, (int) resolutions[i]->h);
 937         }
 938     }
 939
 940     Uint32 sdlflags = SDL_OPENGL;
 941     if (!cmdline("windowed"))
 942         sdlflags |= SDL_FULLSCREEN;
 943
 944     SDL_WM_SetCaption("Lugaru", "Lugaru");
 945
 946     SDL_ShowCursor(0);
 947
 948     SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
 949     SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 1);
 950
 951     if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
 952     {
 953         fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
 954         fprintf(stderr, "forcing 640x480...\n");
 955         kContextWidth = 640;
 956         kContextHeight = 480;
 957         if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
 958         {
 959             fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
 960             fprintf(stderr, "forcing 640x480 windowed mode...\n");
 961             sdlflags &= ~SDL_FULLSCREEN;
 962             if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
 963             {
 964                 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
 965                 return false;
 966             }
 967         }
 968     }
 969
 970     int dblbuf = 0;
 971     if ((SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &dblbuf) == -1) || (!dblbuf))
 972     {
 973         fprintf(stderr, "Failed to get double buffered GL context!\n");
 974         SDL_Quit();
 975         return false;
 976     }
 977
 978     if (!lookup_all_glsyms())
 979     {
 980         SDL_Quit();
 981         return false;
 982     }
 983
 984     if (!cmdline("nomousegrab"))
 985         SDL_WM_GrabInput(SDL_GRAB_ON);
 986
 987
 988         glClear( GL_COLOR_BUFFER_BIT );
 989         swap_gl_buffers();
 990
 991         // clear all states
 992         glDisable( GL_ALPHA_TEST);
 993         glDisable( GL_BLEND);
 994         glDisable( GL_DEPTH_TEST);
 995         //      glDisable( GL_DITHER);
 996         glDisable( GL_FOG);
 997         glDisable( GL_LIGHTING);
 998         glDisable( GL_LOGIC_OP);
 999         glDisable( GL_TEXTURE_1D);
1000         glDisable( GL_TEXTURE_2D);
1001         glPixelTransferi( GL_MAP_COLOR, GL_FALSE);
1002         glPixelTransferi( GL_RED_SCALE, 1);
1003         glPixelTransferi( GL_RED_BIAS, 0);
1004         glPixelTransferi( GL_GREEN_SCALE, 1);
1005         glPixelTransferi( GL_GREEN_BIAS, 0);
1006         glPixelTransferi( GL_BLUE_SCALE, 1);
1007         glPixelTransferi( GL_BLUE_BIAS, 0);
1008         glPixelTransferi( GL_ALPHA_SCALE, 1);
1009         glPixelTransferi( GL_ALPHA_BIAS, 0);
1010
1011         // set initial rendering states
1012         glShadeModel( GL_SMOOTH);
1013         glClearDepth( 1.0f);
1014         glDepthFunc( GL_LEQUAL);
1015         glDepthMask( GL_TRUE);
1016         //      glDepthRange( FRONT_CLIP, BACK_CLIP);
1017         glEnable( GL_DEPTH_TEST);
1018         glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
1019         glCullFace( GL_FRONT);
1020         glEnable( GL_CULL_FACE);
1021         glEnable( GL_LIGHTING);
1022 //      glEnable( GL_LIGHT_MODEL_AMBIENT);
1023         glEnable( GL_DITHER);
1024         glEnable( GL_COLOR_MATERIAL);
1025         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1026         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1027         glAlphaFunc( GL_GREATER, 0.5f);
1028
1029         GLint width = kContextWidth;
1030         GLint height = kContextHeight;
1031         gMidPoint.h = width / 2;
1032         gMidPoint.v = height / 2;
1033         screenwidth=width;
1034         screenheight=height;
1035
1036         game.newdetail=detail;
1037         game.newscreenwidth=screenwidth;
1038         game.newscreenheight=screenheight;
1039
1040         if ( CanInitStereo(stereomode) ) {
1041                 InitStereo(stereomode);
1042         } else {
1043                 fprintf(stderr, "Failed to initialize stereo, disabling.\n");
1044                 stereomode = stereoNone;
1045         }
1046
1047         game.InitGame();
1048
1049         return true;
1050 }
1051
1052
1053 static void DoMouse(Game & game)
1054 {
1055
1056         if(mainmenu||(abs(game.deltah)<10*realmultiplier*1000&&abs(game.deltav)<10*realmultiplier*1000))
1057         {
1058                 game.deltah *= usermousesensitivity;
1059                 game.deltav *= usermousesensitivity;
1060                 game.mousecoordh += game.deltah;
1061                 game.mousecoordv += game.deltav;
1062         if (game.mousecoordh < 0)
1063             game.mousecoordh = 0;
1064         else if (game.mousecoordh >= kContextWidth)
1065             game.mousecoordh = kContextWidth - 1;
1066         if (game.mousecoordv < 0)
1067             game.mousecoordv = 0;
1068         else if (game.mousecoordv >= kContextHeight)
1069             game.mousecoordv = kContextHeight - 1;
1070         }
1071
1072 }
1073
1074
1075
1076 // --------------------------------------------------------------------------
1077
1078 void DoKey (SInt8 theKey, SInt8 theCode)
1079 {
1080         // do nothing
1081 }
1082
1083 // --------------------------------------------------------------------------
1084
1085
1086
1087 void DoFrameRate (int update)
1088 {
1089         static long frames = 0;
1090
1091         static AbsoluteTime time = {0,0};
1092         static AbsoluteTime frametime = {0,0};
1093         AbsoluteTime currTime = UpTime ();
1094         double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
1095
1096         if (0 > deltaTime)      // if negative microseconds
1097                 deltaTime /= -1000000.0;
1098         else                            // else milliseconds
1099                 deltaTime /= 1000.0;
1100
1101         multiplier=deltaTime;
1102         if(multiplier<.001)multiplier=.001;
1103         if(multiplier>10)multiplier=10;
1104         if(update)frametime = currTime; // reset for next time interval
1105
1106         deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
1107
1108         if (0 > deltaTime)      // if negative microseconds
1109                 deltaTime /= -1000000.0;
1110         else                            // else milliseconds
1111                 deltaTime /= 1000.0;
1112         frames++;
1113         if (0.001 <= deltaTime) // has update interval passed
1114         {
1115                 if(update){
1116                         time = currTime;        // reset for next time interval
1117                         frames = 0;
1118                 }
1119         }
1120 }
1121
1122
1123 void DoUpdate (Game & game)
1124 {
1125         static float sps=200;
1126         static int count;
1127         static float oldmult;
1128
1129         DoFrameRate(1);
1130         if(multiplier>.6)multiplier=.6;
1131
1132         game.fps=1/multiplier;
1133
1134         count = multiplier*sps;
1135         if(count<2)count=2;
1136         //if(count>10)count=10;
1137
1138         realmultiplier=multiplier;
1139         multiplier*=gamespeed;
1140         if(difficulty==1)multiplier*=.9;
1141         if(difficulty==0)multiplier*=.8;
1142
1143         if(game.loading==4)multiplier*=.00001;
1144         //multiplier*.9;
1145         if(slomo&&!mainmenu)multiplier*=slomospeed;
1146         //if(freeze)multiplier*=0.00001;
1147         oldmult=multiplier;
1148         multiplier/=(float)count;
1149
1150         DoMouse(game);
1151
1152         game.TickOnce();
1153
1154         for(int i=0;i<count;i++)
1155         {
1156                 game.Tick();
1157         }
1158         multiplier=oldmult;
1159
1160         game.TickOnceAfter();
1161 /* - Debug code to test how many channels were active on average per frame
1162         static long frames = 0;
1163
1164         static AbsoluteTime start = {0,0};
1165         AbsoluteTime currTime = UpTime ();
1166         static int num_channels = 0;
1167
1168         num_channels += OPENAL_GetChannelsPlaying();
1169         double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
1170
1171         if (0 > deltaTime)      // if negative microseconds
1172                 deltaTime /= -1000000.0;
1173         else                            // else milliseconds
1174                 deltaTime /= 1000.0;
1175
1176         ++frames;
1177
1178         if (deltaTime >= 1)
1179         {
1180                 start = currTime;
1181                 float avg_channels = (float)num_channels / (float)frames;
1182
1183                 ofstream opstream("log.txt",ios::app);
1184                 opstream << "Average frame count: ";
1185                 opstream << frames;
1186                 opstream << " frames - ";
1187                 opstream << avg_channels;
1188                 opstream << " per frame.\n";
1189                 opstream.close();
1190
1191                 frames = 0;
1192                 num_channels = 0;
1193         }
1194 */
1195         DrawGL (game);
1196 }
1197
1198 // --------------------------------------------------------------------------
1199
1200
1201 void CleanUp (void)
1202 {
1203         LOGFUNC;
1204
1205 //      game.Dispose();
1206
1207
1208
1209
1210     SDL_Quit();
1211     #define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
1212     #include "glstubs.h"
1213     #undef GL_FUNC
1214     // cheat here...static destructors are calling glDeleteTexture() after
1215     //  the context is destroyed and libGL unloaded by SDL_Quit().
1216     pglDeleteTextures = glDeleteTextures_doNothing;
1217
1218 }
1219
1220 // --------------------------------------------------------------------------
1221
1222 static bool IsFocused()
1223 {
1224     return ((SDL_GetAppState() & SDL_APPINPUTFOCUS) != 0);
1225 }
1226
1227
1228 static void launch_web_browser(const char *url)
1229 {
1230 #ifdef WIN32
1231     ShellExecute(NULL, "open", url, NULL, NULL, SW_SHOWNORMAL);
1232
1233 #elif (defined(__APPLE__) && defined(__MACH__))
1234     const char *fmt = "open '%s'";
1235     const size_t len = strlen(fmt) + strlen(url) + 16;
1236     char *buf = new char[len];
1237     snprintf(buf, len, fmt, url);
1238     system(buf);
1239     delete[] buf;
1240
1241 #elif PLATFORM_LINUX
1242     const char *fmt = "PATH=$PATH:. xdg-open '%s'";
1243     const size_t len = strlen(fmt) + strlen(url) + 16;
1244     char *buf = new char[len];
1245     snprintf(buf, len, fmt, url);
1246     system(buf);
1247     delete[] buf;
1248 #endif
1249 }
1250
1251
1252 #ifndef WIN32
1253 // (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
1254 static char *findBinaryInPath(const char *bin, char *envr)
1255 {
1256     size_t alloc_size = 0;
1257     char *exe = NULL;
1258     char *start = envr;
1259     char *ptr;
1260
1261     do
1262     {
1263         size_t size;
1264         ptr = strchr(start, ':');  /* find next $PATH separator. */
1265         if (ptr)
1266             *ptr = '\0';
1267
1268         size = strlen(start) + strlen(bin) + 2;
1269         if (size > alloc_size)
1270         {
1271             char *x = (char *) realloc(exe, size);
1272             if (x == NULL)
1273             {
1274                 if (exe != NULL)
1275                     free(exe);
1276                 return(NULL);
1277             } /* if */
1278
1279             alloc_size = size;
1280             exe = x;
1281         } /* if */
1282
1283         /* build full binary path... */
1284         strcpy(exe, start);
1285         if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
1286             strcat(exe, "/");
1287         strcat(exe, bin);
1288
1289         if (access(exe, X_OK) == 0)  /* Exists as executable? We're done. */
1290         {
1291             strcpy(exe, start);  /* i'm lazy. piss off. */
1292             return(exe);
1293         } /* if */
1294
1295         start = ptr + 1;  /* start points to beginning of next element. */
1296     } while (ptr != NULL);
1297
1298     if (exe != NULL)
1299         free(exe);
1300
1301     return(NULL);  /* doesn't exist in path. */
1302 } /* findBinaryInPath */
1303
1304
1305 char *calcBaseDir(const char *argv0)
1306 {
1307     /* If there isn't a path on argv0, then look through the $PATH for it. */
1308     char *retval;
1309     char *envr;
1310
1311     const char *ptr = strrchr((char *)argv0, '/');
1312     if (strchr(argv0, '/'))
1313     {
1314         retval = strdup(argv0);
1315         if (retval)
1316             *((char *) strrchr(retval, '/')) = '\0';
1317         return(retval);
1318     }
1319
1320     envr = getenv("PATH");
1321     if (!envr) return NULL;
1322     envr = strdup(envr);
1323     if (!envr) return NULL;
1324     retval = findBinaryInPath(argv0, envr);
1325     free(envr);
1326     return(retval);
1327 }
1328
1329 static inline void chdirToAppPath(const char *argv0)
1330 {
1331     char *dir = calcBaseDir(argv0);
1332     if (dir)
1333     {
1334         #if (defined(__APPLE__) && defined(__MACH__))
1335         // Chop off /Contents/MacOS if it's at the end of the string, so we
1336         //  land in the base of the app bundle.
1337         const size_t len = strlen(dir);
1338         const char *bundledirs = "/Contents/MacOS";
1339         const size_t bundledirslen = strlen(bundledirs);
1340         if (len > bundledirslen)
1341         {
1342             char *ptr = (dir + len) - bundledirslen;
1343             if (strcasecmp(ptr, bundledirs) == 0)
1344                 *ptr = '\0';
1345         }
1346         #endif
1347         chdir(dir);
1348         free(dir);
1349     }
1350 }
1351 #endif
1352
1353
1354 int main(int argc, char **argv)
1355 {
1356 #ifndef __MINGW32__
1357     _argc = argc;
1358     _argv = argv;
1359 #endif
1360
1361     // !!! FIXME: we could use a Win32 API for this.  --ryan.
1362 #ifndef WIN32
1363     chdirToAppPath(argv[0]);
1364 #endif
1365
1366         LOGFUNC;
1367
1368         memset( &g_theKeys, 0, sizeof( KeyMap));
1369
1370     initSDLKeyTable();
1371
1372         try
1373         {
1374                 bool regnow = false;
1375                 {
1376                         Game game;
1377                         pgame = &game;
1378
1379                         //ofstream os("error.txt");
1380                         //os.close();
1381                         //ofstream os("log.txt");
1382                         //os.close();
1383
1384                         if (!SetUp (game))
1385                 return 42;
1386
1387                         while (!gDone&&!game.quit&&(!game.tryquit))
1388                         {
1389                                 if (IsFocused())
1390                                 {
1391                                         gameFocused = true;
1392
1393                                         // check windows messages
1394
1395                                         game.deltah = 0;
1396                                         game.deltav = 0;
1397                                         SDL_Event e;
1398                                         // message pump
1399                                         while( SDL_PollEvent( &e ) )
1400                                         {
1401                                                 if( e.type == SDL_QUIT )
1402                                                 {
1403                                                         gDone=true;
1404                                                         break;
1405                                                 }
1406                                                 sdlEventProc(e, game);
1407                                         }
1408
1409
1410                                         // game
1411                                         DoUpdate(game);
1412                                 }
1413                                 else
1414                                 {
1415                                         if (gameFocused)
1416                                         {
1417                                                 // allow game chance to pause
1418                                                 gameFocused = false;
1419                                                 DoUpdate(game);
1420                                         }
1421
1422                                         // game is not in focus, give CPU time to other apps by waiting for messages instead of 'peeking'
1423                     STUBBED("give up CPU but sniff the event queue");
1424                                 }
1425                         }
1426
1427                         regnow = game.registernow;
1428                 }
1429                 pgame = 0;
1430
1431                 CleanUp ();
1432 //              if(game.registernow){
1433                 if(regnow)
1434                 {
1435             #if (defined(__APPLE__) && defined(__MACH__))
1436             launch_web_browser("http://www.wolfire.com/purchase/lugaru/mac");
1437             #elif PLATFORM_LINUX
1438             launch_web_browser("http://www.wolfire.com/purchase/lugaru/linux");
1439             #else
1440             launch_web_browser("http://www.wolfire.com/purchase/lugaru/pc");
1441             #endif
1442                 }
1443
1444         #if PLATFORM_LINUX  // (this may not be necessary any more.)
1445         _exit(0);  // !!! FIXME: hack...crashes on exit!
1446         #endif
1447                 return 0;
1448         }
1449         catch (const std::exception& error)
1450         {
1451                 CleanUp();
1452
1453                 std::string e = "Caught exception: ";
1454                 e += error.what();
1455
1456                 LOG(e);
1457
1458                 MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
1459         }
1460
1461         CleanUp();
1462
1463         return -1;
1464 }
1465
1466
1467
1468         // --------------------------------------------------------------------------
1469
1470
1471
1472         bool selectDetail(int & width, int & height, int & bpp, int & detail)
1473         {
1474                 bool res = true;
1475
1476                 // currently with SDL, we just use whatever is requested
1477                 //  and don't care.  --ryan.
1478
1479
1480                 return res;
1481         }
1482
1483         extern int channels[100];
1484         extern OPENAL_SAMPLE * samp[100];
1485         extern OPENAL_STREAM * strm[20];
1486
1487         extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1488         {
1489                 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1490                 if (currSample && currSample == samp[chan])
1491                 {
1492                         if (OPENAL_GetPaused(channels[chan]))
1493                         {
1494                                 OPENAL_StopSound(channels[chan]);
1495                                 channels[chan] = OPENAL_FREE;
1496                         }
1497                         else if (OPENAL_IsPlaying(channels[chan]))
1498                         {
1499                                 int loop_mode = OPENAL_GetLoopMode(channels[chan]);
1500                                 if (loop_mode & OPENAL_LOOP_OFF)
1501                                 {
1502                                         channels[chan] = OPENAL_FREE;
1503                                 }
1504                         }
1505                 }
1506                 else
1507                 {
1508                         channels[chan] = OPENAL_FREE;
1509                 }
1510
1511                 channels[chan] = OPENAL_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
1512                 if (channels[chan] < 0)
1513                 {
1514                         channels[chan] = OPENAL_PlaySoundEx(OPENAL_FREE, sptr, dsp, startpaused);
1515                 }
1516         }
1517
1518         extern "C" void PlayStreamEx(int chan, OPENAL_STREAM *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1519         {
1520                 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1521                 if (currSample && currSample == OPENAL_Stream_GetSample(sptr))
1522                 {
1523                                 OPENAL_StopSound(channels[chan]);
1524                                 OPENAL_Stream_Stop(sptr);
1525                 }
1526                 else
1527                 {
1528                         OPENAL_Stream_Stop(sptr);
1529                         channels[chan] = OPENAL_FREE;
1530                 }
1531
1532                 channels[chan] = OPENAL_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
1533                 if (channels[chan] < 0)
1534                 {
1535                         channels[chan] = OPENAL_Stream_PlayEx(OPENAL_FREE, sptr, dsp, startpaused);
1536                 }
1537         }
1538
1539
1540         bool LoadImage(const char * fname, TGAImageRec & tex)
1541         {
1542                 bool res = true;
1543
1544                 if ( tex.data == NULL )
1545                 {
1546                         return false;
1547                 }
1548
1549
1550         res = load_image(fname, tex);
1551
1552
1553                 return res;
1554         }
1555
1556         void ScreenShot(const char * fname)
1557         {
1558
1559         save_image(fname);
1560
1561         }
1562
1563
1564
1565 static bool load_image(const char *file_name, TGAImageRec &tex)
1566 {
1567     const char *ptr = strrchr((char *)file_name, '.');
1568     if (ptr)
1569     {
1570         if (strcasecmp(ptr+1, "png") == 0)
1571             return load_png(file_name, tex);
1572         else if (strcasecmp(ptr+1, "jpg") == 0)
1573             return load_jpg(file_name, tex);
1574     }
1575
1576     STUBBED("Unsupported image type");
1577     return false;
1578 }
1579
1580
1581 struct my_error_mgr {
1582   struct jpeg_error_mgr pub;    /* "public" fields */
1583   jmp_buf setjmp_buffer;        /* for return to caller */
1584 };
1585 typedef struct my_error_mgr * my_error_ptr;
1586
1587
1588 static void my_error_exit(j_common_ptr cinfo)
1589 {
1590         struct my_error_mgr *err = (struct my_error_mgr *)cinfo->err;
1591         longjmp(err->setjmp_buffer, 1);
1592 }
1593
1594 /* stolen from public domain example.c code in libjpg distribution. */
1595 static bool load_jpg(const char *file_name, TGAImageRec &tex)
1596 {
1597     struct jpeg_decompress_struct cinfo;
1598     struct my_error_mgr jerr;
1599     JSAMPROW buffer[1];         /* Output row buffer */
1600     int row_stride;             /* physical row width in output buffer */
1601     FILE *infile = fopen(file_name, "rb");
1602
1603     if (infile == NULL)
1604         return false;
1605
1606     cinfo.err = jpeg_std_error(&jerr.pub);
1607     jerr.pub.error_exit = my_error_exit;
1608     if (setjmp(jerr.setjmp_buffer)) {
1609         jpeg_destroy_decompress(&cinfo);
1610         fclose(infile);
1611         return false;
1612     }
1613
1614     jpeg_create_decompress(&cinfo);
1615     jpeg_stdio_src(&cinfo, infile);
1616     (void) jpeg_read_header(&cinfo, TRUE);
1617
1618     cinfo.out_color_space = JCS_RGB;
1619     cinfo.quantize_colors = 0;
1620     (void) jpeg_calc_output_dimensions(&cinfo);
1621     (void) jpeg_start_decompress(&cinfo);
1622
1623     row_stride = cinfo.output_width * cinfo.output_components;
1624     tex.sizeX = cinfo.output_width;
1625     tex.sizeY = cinfo.output_height;
1626     tex.bpp = 24;
1627
1628     while (cinfo.output_scanline < cinfo.output_height) {
1629         buffer[0] = (JSAMPROW)(char *)tex.data +
1630                         ((cinfo.output_height-1) - cinfo.output_scanline) * row_stride;
1631         (void) jpeg_read_scanlines(&cinfo, buffer, 1);
1632     }
1633
1634     (void) jpeg_finish_decompress(&cinfo);
1635     jpeg_destroy_decompress(&cinfo);
1636     fclose(infile);
1637
1638     return true;
1639 }
1640
1641
1642 /* stolen from public domain example.c code in libpng distribution. */
1643 static bool load_png(const char *file_name, TGAImageRec &tex)
1644 {
1645     bool hasalpha = false;
1646     png_structp png_ptr = NULL;
1647     png_infop info_ptr = NULL;
1648     png_uint_32 width, height;
1649     int bit_depth, color_type, interlace_type;
1650     png_byte **rows = NULL;
1651     bool retval = false;
1652     png_byte **row_pointers = NULL;
1653     FILE *fp = fopen(file_name, "rb");
1654
1655     if (fp == NULL)
1656         return(NULL);
1657
1658     png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1659     if (png_ptr == NULL)
1660         goto png_done;
1661
1662     info_ptr = png_create_info_struct(png_ptr);
1663     if (info_ptr == NULL)
1664         goto png_done;
1665
1666     if (setjmp(png_jmpbuf(png_ptr)))
1667         goto png_done;
1668
1669     png_init_io(png_ptr, fp);
1670     png_read_png(png_ptr, info_ptr,
1671                  PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_PACKING,
1672                  NULL);
1673     png_get_IHDR(png_ptr, info_ptr, &width, &height,
1674                  &bit_depth, &color_type, &interlace_type, NULL, NULL);
1675
1676     if (bit_depth != 8)  // transform SHOULD handle this...
1677         goto png_done;
1678
1679     if (color_type & PNG_COLOR_MASK_PALETTE)  // !!! FIXME?
1680         goto png_done;
1681
1682     if ((color_type & PNG_COLOR_MASK_COLOR) == 0)  // !!! FIXME?
1683         goto png_done;
1684
1685     hasalpha = ((color_type & PNG_COLOR_MASK_ALPHA) != 0);
1686     row_pointers = png_get_rows(png_ptr, info_ptr);
1687     if (!row_pointers)
1688         goto png_done;
1689
1690     if (!hasalpha)
1691     {
1692         png_byte *dst = tex.data;
1693         for (int i = height-1; i >= 0; i--)
1694         {
1695             png_byte *src = row_pointers[i];
1696             for (int j = 0; j < width; j++)
1697             {
1698                 dst[0] = src[0];
1699                 dst[1] = src[1];
1700                 dst[2] = src[2];
1701                 dst[3] = 0xFF;
1702                 src += 3;
1703                 dst += 4;
1704             }
1705         }
1706     }
1707
1708     else
1709     {
1710         png_byte *dst = tex.data;
1711         int pitch = width * 4;
1712         for (int i = height-1; i >= 0; i--, dst += pitch)
1713             memcpy(dst, row_pointers[i], pitch);
1714     }
1715
1716     tex.sizeX = width;
1717     tex.sizeY = height;
1718     tex.bpp = 32;
1719     retval = true;
1720
1721 png_done:
1722     png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
1723     if (fp)
1724         fclose(fp);
1725     return (retval);
1726 }
1727
1728
1729 static bool save_image(const char *file_name)
1730 {
1731     const char *ptr = strrchr((char *)file_name, '.');
1732     if (ptr)
1733     {
1734         if (strcasecmp(ptr+1, "png") == 0)
1735             return save_png(file_name);
1736     }
1737
1738     STUBBED("Unsupported image type");
1739     return false;
1740 }
1741
1742
1743 static bool save_png(const char *file_name)
1744 {
1745     FILE *fp = NULL;
1746     png_structp png_ptr = NULL;
1747     png_infop info_ptr = NULL;
1748     bool retval = false;
1749
1750     fp = fopen(file_name, "wb");
1751     if (fp == NULL)
1752         return false;
1753
1754     png_bytep *row_pointers = new png_bytep[kContextHeight];
1755     png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];
1756     if ((!screenshot) || (!row_pointers))
1757         goto save_png_done;
1758
1759     glGetError();
1760     glReadPixels(0, 0, kContextWidth, kContextHeight,
1761                  GL_RGB, GL_UNSIGNED_BYTE, screenshot);
1762     if (glGetError() != GL_NO_ERROR)
1763         goto save_png_done;
1764
1765     for (int i = 0; i < kContextHeight; i++)
1766         row_pointers[i] = screenshot + ((kContextWidth * ((kContextHeight-1) - i)) * 3);
1767
1768     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1769     if (png_ptr == NULL)
1770         goto save_png_done;
1771
1772     info_ptr = png_create_info_struct(png_ptr);
1773     if (info_ptr == NULL)
1774         goto save_png_done;
1775
1776     if (setjmp(png_jmpbuf(png_ptr)))
1777         goto save_png_done;
1778
1779     png_init_io(png_ptr, fp);
1780
1781     if (setjmp(png_jmpbuf(png_ptr)))
1782         goto save_png_done;
1783
1784     png_set_IHDR(png_ptr, info_ptr, kContextWidth, kContextHeight,
1785                  8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
1786                  PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
1787
1788     png_write_info(png_ptr, info_ptr);
1789
1790     if (setjmp(png_jmpbuf(png_ptr)))
1791         goto save_png_done;
1792
1793         png_write_image(png_ptr, row_pointers);
1794
1795         if (setjmp(png_jmpbuf(png_ptr)))
1796         goto save_png_done;
1797
1798     png_write_end(png_ptr, NULL);
1799     retval = true;
1800
1801 save_png_done:
1802     png_destroy_write_struct(&png_ptr, &info_ptr);
1803     delete[] screenshot;
1804     delete[] row_pointers;
1805     if (fp)
1806         fclose(fp);
1807     if (!retval)
1808         unlink(ConvertFileName(file_name));
1809     return retval;
1810 }
1811
1812
1813