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