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 #endif
 124
 125 #include "win-res/resource.h"
 126
 127 using namespace std;
 128
 129
 130
 131 SDL_Rect **resolutions = NULL;
 132 static SDL_Rect rect_1024_768 = { 0, 0, 1024, 768 };
 133 static SDL_Rect rect_800_600  = { 0, 0, 800,  600 };
 134 static SDL_Rect rect_640_480  = { 0, 0, 640,  480 };
 135 static SDL_Rect *hardcoded_resolutions[] = {
 136     &rect_1024_768,
 137     &rect_800_600,
 138     &rect_640_480,
 139     NULL
 140 };
 141
 142
 143
 144 unsigned int resolutionDepths[8][2] = {0};
 145
 146 bool selectDetail(int & width, int & height, int & bpp, int & detail);
 147 int closestResolution(int width, int height);
 148 int resolutionID(int width, int height);
 149
 150 void ReportError (char * strError);
 151
 152 void SetupDSpFullScreen();
 153 void ShutdownDSp();
 154
 155 void DrawGL(Game & game);
 156
 157 void CreateGLWindow (void);
 158 Boolean SetUp (Game & game);
 159 void DoKey (SInt8 theKey, SInt8 theCode);
 160 void DoUpdate (Game & game);
 161
 162 void DoEvent (void);
 163 void CleanUp (void);
 164
 165
 166 // statics/globals (internal only) ------------------------------------------
 167 #ifndef WIN32
 168 typedef struct tagPOINT {
 169   int x;
 170   int y;
 171 } POINT, *PPOINT;
 172 #endif
 173
 174
 175
 176 #ifdef _MSC_VER
 177 #pragma warning(push)
 178 #pragma warning(disable: 4273)
 179 #endif
 180
 181 #define GL_FUNC(ret,fn,params,call,rt) \
 182     extern "C" { \
 183         static ret (GLAPIENTRY *p##fn) params = NULL; \
 184         ret GLAPIENTRY fn params { rt p##fn call; } \
 185     }
 186 #include "glstubs.h"
 187 #undef GL_FUNC
 188
 189 #ifdef _MSC_VER
 190 #pragma warning(pop)
 191 #endif
 192
 193 static bool lookup_glsym(const char *funcname, void **func)
 194 {
 195     *func = SDL_GL_GetProcAddress(funcname);
 196     if (*func == NULL)
 197     {
 198         fprintf(stderr, "Failed to find OpenGL symbol \"%s\"\n", funcname);
 199         return false;
 200     }
 201     return true;
 202 }
 203
 204 static bool lookup_all_glsyms(void)
 205 {
 206     bool retval = true;
 207     #define GL_FUNC(ret,fn,params,call,rt) \
 208         if (!lookup_glsym(#fn, (void **) &p##fn)) retval = false;
 209     #include "glstubs.h"
 210     #undef GL_FUNC
 211     return retval;
 212 }
 213
 214 static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textures)
 215 {
 216     // no-op.
 217 }
 218
 219
 220
 221 void sdlGetCursorPos(POINT *pt)
 222 {
 223     int x, y;
 224     SDL_GetMouseState(&x, &y);
 225     pt->x = x;
 226     pt->y = y;
 227 }
 228 #define GetCursorPos(x) sdlGetCursorPos(x)
 229 #define SetCursorPos(x, y) SDL_WarpMouse(x, y)
 230 #define ScreenToClient(x, pt)
 231 #define ClientToScreen(x, pt)
 232 #ifdef MessageBox
 233 #undef MessageBox
 234 #endif
 235 #define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
 236
 237
 238 Point delta;
 239
 240 static bool g_button, fullscreen = true;
 241
 242
 243 // Menu defs
 244 enum
 245 {
 246         kFileQuit = 1
 247 };
 248
 249 enum
 250 {
 251         kForegroundSleep = 10,
 252         kBackgroundSleep = 10000
 253 };
 254
 255
 256 int kContextWidth;
 257 int kContextHeight;
 258
 259 const RGBColor rgbBlack = { 0x0000, 0x0000, 0x0000 };
 260
 261 GLuint gFontList;
 262 char gcstrMode [256] = "";
 263
 264 UInt32 gSleepTime = kForegroundSleep;
 265 Boolean gDone = false, gfFrontProcess = true;
 266
 267 Game * pgame = 0;
 268
 269 #ifndef __MINGW32__
 270 static int _argc = 0;
 271 static char **_argv = NULL;
 272 #endif
 273
 274 bool cmdline(const char *cmd)
 275 {
 276     for (int i = 1; i < _argc; i++)
 277     {
 278         char *arg = _argv[i];
 279         while (*arg == '-')
 280             arg++;
 281         if (strcasecmp(arg, cmd) == 0)
 282             return true;
 283     }
 284
 285     return false;
 286 }
 287
 288
 289 // --------------------------------------------------------------------------
 290
 291 void ReportError (char * strError)
 292 {
 293 #ifdef _MSC_VER  // !!! FIXME.  --ryan.
 294         throw std::exception( strError);
 295 #endif
 296
 297         /*      char errMsgCStr [256];
 298         Str255 strErr;
 299
 300         sprintf (errMsgCStr, "%s", strError);
 301
 302         // out as debug string
 303         CToPStr (strErr, errMsgCStr);
 304         DebugStr (strErr);
 305         */
 306 }
 307
 308 void SetupDSpFullScreen ()
 309 {
 310 }
 311
 312
 313 void ShutdownDSp ()
 314 {
 315 }
 316
 317
 318 //-----------------------------------------------------------------------------------------------------------------------
 319
 320 // OpenGL Drawing
 321
 322 void DrawGL (Game & game)
 323 {
 324         game.DrawGLScene();
 325 }
 326
 327
 328 static KeyMap g_theKeys;
 329
 330 void SetKey( int key)
 331 {
 332     g_theKeys[ key >> 3] |= (1 << (key & 7));
 333 }
 334
 335 void ClearKey( int key)
 336 {
 337     g_theKeys[ key >> 3] &= (0xff ^ (1 << (key & 7)));
 338 }
 339
 340 void GetKeys(  unsigned char theKeys[16])
 341 {
 342     memcpy( theKeys, &g_theKeys, 16);
 343 }
 344
 345 Boolean Button()
 346 {
 347     return g_button;
 348 }
 349
 350
 351 #define MAX_SDLKEYS SDLK_LAST
 352 static unsigned short KeyTable[MAX_SDLKEYS];
 353
 354 static void initSDLKeyTable(void)
 355 {
 356     memset(KeyTable, 0xFF, sizeof (KeyTable));
 357     KeyTable[SDLK_BACKSPACE] = MAC_DELETE_KEY;
 358     KeyTable[SDLK_TAB] = MAC_TAB_KEY;
 359     KeyTable[SDLK_RETURN] = MAC_RETURN_KEY;
 360     KeyTable[SDLK_ESCAPE] = MAC_ESCAPE_KEY;
 361     KeyTable[SDLK_SPACE] = MAC_SPACE_KEY;
 362     KeyTable[SDLK_PAGEUP] = MAC_PAGE_UP_KEY;
 363     KeyTable[SDLK_PAGEDOWN] = MAC_PAGE_DOWN_KEY;
 364     KeyTable[SDLK_END] = MAC_END_KEY;
 365     KeyTable[SDLK_HOME] = MAC_HOME_KEY;
 366     KeyTable[SDLK_LEFT] = MAC_ARROW_LEFT_KEY;
 367     KeyTable[SDLK_UP] = MAC_ARROW_UP_KEY;
 368     KeyTable[SDLK_RIGHT] = MAC_ARROW_RIGHT_KEY;
 369     KeyTable[SDLK_DOWN] = MAC_ARROW_DOWN_KEY;
 370     KeyTable[SDLK_INSERT] = MAC_INSERT_KEY;
 371     KeyTable[SDLK_DELETE] = MAC_DEL_KEY;
 372     KeyTable[SDLK_0] = MAC_0_KEY;
 373     KeyTable[SDLK_1] = MAC_1_KEY;
 374     KeyTable[SDLK_2] = MAC_2_KEY;
 375     KeyTable[SDLK_3] = MAC_3_KEY;
 376     KeyTable[SDLK_4] = MAC_4_KEY;
 377     KeyTable[SDLK_5] = MAC_5_KEY;
 378     KeyTable[SDLK_6] = MAC_6_KEY;
 379     KeyTable[SDLK_7] = MAC_7_KEY;
 380     KeyTable[SDLK_8] = MAC_8_KEY;
 381     KeyTable[SDLK_9] = MAC_9_KEY;
 382     KeyTable[SDLK_a] = MAC_A_KEY;
 383     KeyTable[SDLK_b] = MAC_B_KEY;
 384     KeyTable[SDLK_c] = MAC_C_KEY;
 385     KeyTable[SDLK_d] = MAC_D_KEY;
 386     KeyTable[SDLK_e] = MAC_E_KEY;
 387     KeyTable[SDLK_f] = MAC_F_KEY;
 388     KeyTable[SDLK_g] = MAC_G_KEY;
 389     KeyTable[SDLK_h] = MAC_H_KEY;
 390     KeyTable[SDLK_i] = MAC_I_KEY;
 391     KeyTable[SDLK_j] = MAC_J_KEY;
 392     KeyTable[SDLK_k] = MAC_K_KEY;
 393     KeyTable[SDLK_l] = MAC_L_KEY;
 394     KeyTable[SDLK_m] = MAC_M_KEY;
 395     KeyTable[SDLK_n] = MAC_N_KEY;
 396     KeyTable[SDLK_o] = MAC_O_KEY;
 397     KeyTable[SDLK_p] = MAC_P_KEY;
 398     KeyTable[SDLK_q] = MAC_Q_KEY;
 399     KeyTable[SDLK_r] = MAC_R_KEY;
 400     KeyTable[SDLK_s] = MAC_S_KEY;
 401     KeyTable[SDLK_t] = MAC_T_KEY;
 402     KeyTable[SDLK_u] = MAC_U_KEY;
 403     KeyTable[SDLK_v] = MAC_V_KEY;
 404     KeyTable[SDLK_w] = MAC_W_KEY;
 405     KeyTable[SDLK_x] = MAC_X_KEY;
 406     KeyTable[SDLK_y] = MAC_Y_KEY;
 407     KeyTable[SDLK_z] = MAC_Z_KEY;
 408     KeyTable[SDLK_KP0] = MAC_NUMPAD_0_KEY;
 409     KeyTable[SDLK_KP1] = MAC_NUMPAD_1_KEY;
 410     KeyTable[SDLK_KP2] = MAC_NUMPAD_2_KEY;
 411     KeyTable[SDLK_KP3] = MAC_NUMPAD_3_KEY;
 412     KeyTable[SDLK_KP4] = MAC_NUMPAD_4_KEY;
 413     KeyTable[SDLK_KP5] = MAC_NUMPAD_5_KEY;
 414     KeyTable[SDLK_KP6] = MAC_NUMPAD_6_KEY;
 415     KeyTable[SDLK_KP7] = MAC_NUMPAD_7_KEY;
 416     KeyTable[SDLK_KP8] = MAC_NUMPAD_8_KEY;
 417     KeyTable[SDLK_KP9] = MAC_NUMPAD_9_KEY;
 418     KeyTable[SDLK_KP_MULTIPLY] = MAC_NUMPAD_ASTERISK_KEY;
 419     KeyTable[SDLK_KP_PLUS] = MAC_NUMPAD_PLUS_KEY;
 420     KeyTable[SDLK_KP_ENTER] = MAC_NUMPAD_ENTER_KEY;
 421     KeyTable[SDLK_KP_MINUS] = MAC_NUMPAD_MINUS_KEY;
 422     KeyTable[SDLK_KP_PERIOD] = MAC_NUMPAD_PERIOD_KEY;
 423     KeyTable[SDLK_KP_DIVIDE] = MAC_NUMPAD_SLASH_KEY;
 424     KeyTable[SDLK_F1] = MAC_F1_KEY;
 425     KeyTable[SDLK_F2] = MAC_F2_KEY;
 426     KeyTable[SDLK_F3] = MAC_F3_KEY;
 427     KeyTable[SDLK_F4] = MAC_F4_KEY;
 428     KeyTable[SDLK_F5] = MAC_F5_KEY;
 429     KeyTable[SDLK_F6] = MAC_F6_KEY;
 430     KeyTable[SDLK_F7] = MAC_F7_KEY;
 431     KeyTable[SDLK_F8] = MAC_F8_KEY;
 432     KeyTable[SDLK_F9] = MAC_F9_KEY;
 433     KeyTable[SDLK_F10] = MAC_F10_KEY;
 434     KeyTable[SDLK_F11] = MAC_F11_KEY;
 435     KeyTable[SDLK_F12] = MAC_F12_KEY;
 436     KeyTable[SDLK_SEMICOLON] = MAC_SEMICOLON_KEY;
 437     KeyTable[SDLK_PLUS] = MAC_PLUS_KEY;
 438     KeyTable[SDLK_COMMA] = MAC_COMMA_KEY;
 439     KeyTable[SDLK_MINUS] = MAC_MINUS_KEY;
 440     KeyTable[SDLK_PERIOD] = MAC_PERIOD_KEY;
 441     KeyTable[SDLK_SLASH] = MAC_SLASH_KEY;
 442     KeyTable[SDLK_BACKQUOTE] = MAC_TILDE_KEY;
 443     KeyTable[SDLK_LEFTBRACKET] = MAC_LEFTBRACKET_KEY;
 444     KeyTable[SDLK_BACKSLASH] = MAC_BACKSLASH_KEY;
 445     KeyTable[SDLK_RIGHTBRACKET] = MAC_RIGHTBRACKET_KEY;
 446     KeyTable[SDLK_QUOTE] = MAC_APOSTROPHE_KEY;
 447 }
 448
 449 static inline int clamp_sdl_mouse_button(Uint8 button)
 450 {
 451     if (button == 2)   // right mouse button is button 3 in SDL.
 452         button = 3;
 453     else if (button == 3)
 454         button = 2;
 455
 456     if ((button >= 1) && (button <= 3))
 457         return button - 1;
 458     return -1;
 459 }
 460
 461 static void sdlEventProc(const SDL_Event &e, Game &game)
 462 {
 463     int val;
 464     bool skipkey = false;
 465     SDLMod mod;
 466
 467     switch(e.type)
 468         {
 469         case SDL_MOUSEMOTION:
 470             game.deltah += e.motion.xrel;
 471             game.deltav += e.motion.yrel;
 472             return;
 473
 474                 case SDL_MOUSEBUTTONDOWN:
 475                         {
 476                 val = clamp_sdl_mouse_button(e.button.button);
 477                 if ((val >= 0) && (val <= 2))
 478                 {
 479                     if (val == 0)
 480                                     g_button = true;
 481                                 buttons[val] = true;
 482                 }
 483                         }
 484                         return;
 485
 486                 case SDL_MOUSEBUTTONUP:
 487                         {
 488                 val = clamp_sdl_mouse_button(e.button.button);
 489                 if ((val >= 0) && (val <= 2))
 490                 {
 491                     if (val == 0)
 492                                     g_button = false;
 493                                 buttons[val] = false;
 494                 }
 495                         }
 496             return;
 497
 498         case SDL_KEYDOWN:
 499             if (e.key.keysym.sym == SDLK_g)
 500             {
 501                 if (e.key.keysym.mod & KMOD_CTRL)
 502                 {
 503                     skipkey = true;
 504                     SDL_GrabMode mode = SDL_GRAB_ON;
 505                     if ((SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) == 0)
 506                     {
 507                         mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
 508                         mode = (mode==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON;
 509                     }
 510                     SDL_WM_GrabInput(mode);
 511                 }
 512             }
 513
 514             else if (e.key.keysym.sym == SDLK_RETURN)
 515             {
 516                 if (e.key.keysym.mod & KMOD_ALT)
 517                 {
 518                     skipkey = true;
 519                     SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
 520                 }
 521             }
 522
 523             if ((!skipkey) && (e.key.keysym.sym < SDLK_LAST))
 524             {
 525                 if (KeyTable[e.key.keysym.sym] != 0xffff)
 526                     SetKey(KeyTable[e.key.keysym.sym]);
 527             }
 528
 529             mod = SDL_GetModState();
 530             if (mod & KMOD_CTRL)
 531                 SetKey(MAC_CONTROL_KEY);
 532             if (mod & KMOD_ALT)
 533                 SetKey(MAC_OPTION_KEY);
 534             if (mod & KMOD_META)
 535                 SetKey(MAC_COMMAND_KEY);
 536             if (mod & KMOD_SHIFT)
 537                 SetKey(MAC_SHIFT_KEY);
 538             if (mod & KMOD_CAPS)
 539                 SetKey(MAC_CAPS_LOCK_KEY);
 540
 541             return;
 542
 543         case SDL_KEYUP:
 544             if (e.key.keysym.sym < SDLK_LAST)
 545             {
 546                 if (KeyTable[e.key.keysym.sym] != 0xffff)
 547                     ClearKey(KeyTable[e.key.keysym.sym]);
 548             }
 549
 550             mod = SDL_GetModState();
 551             if ((mod & KMOD_CTRL) == 0)
 552                 ClearKey(MAC_CONTROL_KEY);
 553             if ((mod & KMOD_ALT) == 0)
 554                 ClearKey(MAC_OPTION_KEY);
 555             if ((mod & KMOD_META) == 0)
 556                 ClearKey(MAC_COMMAND_KEY);
 557             if ((mod & KMOD_SHIFT) == 0)
 558                 ClearKey(MAC_SHIFT_KEY);
 559             if ((mod & KMOD_CAPS) == 0)
 560                 ClearKey(MAC_CAPS_LOCK_KEY);
 561             return;
 562     }
 563 }
 564
 565
 566 // --------------------------------------------------------------------------
 567
 568 static Point gMidPoint;
 569
 570 Boolean SetUp (Game & game)
 571 {
 572         char string[10];
 573
 574         LOGFUNC;
 575
 576         randSeed = UpTime().lo;
 577
 578         osx = 0;
 579         ifstream ipstream(ConvertFileName(":Data:config.txt"), std::ios::in /*| std::ios::nocreate*/);
 580         detail=1;
 581         ismotionblur=0;
 582         usermousesensitivity=1;
 583         kContextWidth=640;
 584         kContextHeight=480;
 585         kBitsPerPixel = 32;
 586         floatjump=0;
 587         cellophane=0;
 588         texdetail=4;
 589         autoslomo=1;
 590         decals=1;
 591         invertmouse=0;
 592         bloodtoggle=0;
 593         terraindetail=2;
 594         foliage=1;
 595         musictoggle=1;
 596         trilinear=1;
 597         gamespeed=1;
 598         difficulty=1;
 599         damageeffects=0;
 600         texttoggle=1;
 601         alwaysblur=0;
 602         showpoints=0;
 603         immediate=0;
 604         velocityblur=0;
 605
 606         slomospeed=0.25;
 607         slomofreq=8012;
 608
 609         volume = 0.8f;
 610
 611         game.crouchkey=MAC_SHIFT_KEY;
 612         game.jumpkey=MAC_SPACE_KEY;
 613         game.leftkey=MAC_A_KEY;
 614         game.forwardkey=MAC_W_KEY;
 615         game.backkey=MAC_S_KEY;
 616         game.rightkey=MAC_D_KEY;
 617         game.drawkey=MAC_E_KEY;
 618         game.throwkey=MAC_Q_KEY;
 619         game.attackkey=MAC_MOUSEBUTTON1;
 620         game.chatkey=MAC_T_KEY;
 621         numplayers=1;
 622         ambientsound=1;
 623         vblsync=0;
 624         debugmode=0;
 625
 626         selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
 627
 628         if(!ipstream) {
 629                 ofstream opstream(ConvertFileName(":Data:config.txt", "w"));
 630                 opstream << "Screenwidth:\n";
 631                 opstream << kContextWidth;
 632                 opstream << "\nScreenheight:\n";
 633                 opstream << kContextHeight;
 634                 opstream << "\nMouse sensitivity:\n";
 635                 opstream << usermousesensitivity;
 636                 opstream << "\nBlur(0,1):\n";
 637                 opstream << ismotionblur;
 638                 opstream << "\nOverall Detail(0,1,2) higher=better:\n";
 639                 opstream << detail;
 640                 opstream << "\nFloating jump:\n";
 641                 opstream << floatjump;
 642                 opstream << "\nMouse jump:\n";
 643                 opstream << mousejump;
 644                 opstream << "\nAmbient sound:\n";
 645                 opstream << ambientsound;
 646                 opstream << "\nBlood (0,1,2):\n";
 647                 opstream << bloodtoggle;
 648                 opstream << "\nAuto slomo:\n";
 649                 opstream << autoslomo;
 650                 opstream << "\nFoliage:\n";
 651                 opstream << foliage;
 652                 opstream << "\nMusic:\n";
 653                 opstream << musictoggle;
 654                 opstream << "\nTrilinear:\n";
 655                 opstream << trilinear;
 656                 opstream << "\nDecals(shadows,blood puddles,etc):\n";
 657                 opstream << decals;
 658                 opstream << "\nInvert mouse:\n";
 659                 opstream << invertmouse;
 660                 opstream << "\nGamespeed:\n";
 661                 opstream << gamespeed;
 662                 opstream << "\nDifficulty(0,1,2) higher=harder:\n";
 663                 opstream << difficulty;
 664                 opstream << "\nDamage effects(blackout, doublevision):\n";
 665                 opstream << damageeffects;
 666                 opstream << "\nText:\n";
 667                 opstream << texttoggle;
 668                 opstream << "\nDebug:\n";
 669                 opstream << debugmode;
 670                 opstream << "\nVBL Sync:\n";
 671                 opstream << vblsync;
 672                 opstream << "\nShow Points:\n";
 673                 opstream << showpoints;
 674                 opstream << "\nAlways Blur:\n";
 675                 opstream << alwaysblur;
 676                 opstream << "\nImmediate mode (turn on on G5):\n";
 677                 opstream << immediate;
 678                 opstream << "\nVelocity blur:\n";
 679                 opstream << velocityblur;
 680                 opstream << "\nVolume:\n";
 681                 opstream << volume;
 682                 opstream << "\nForward key:\n";
 683                 opstream << KeyToChar(game.forwardkey);
 684                 opstream << "\nBack key:\n";
 685                 opstream << KeyToChar(game.backkey);
 686                 opstream << "\nLeft key:\n";
 687                 opstream << KeyToChar(game.leftkey);
 688                 opstream << "\nRight key:\n";
 689                 opstream << KeyToChar(game.rightkey);
 690                 opstream << "\nJump key:\n";
 691                 opstream << KeyToChar(game.jumpkey);
 692                 opstream << "\nCrouch key:\n";
 693                 opstream << KeyToChar(game.crouchkey);
 694                 opstream << "\nDraw key:\n";
 695                 opstream << KeyToChar(game.drawkey);
 696                 opstream << "\nThrow key:\n";
 697                 opstream << KeyToChar(game.throwkey);
 698                 opstream << "\nAttack key:\n";
 699                 opstream << KeyToChar(game.attackkey);
 700                 opstream << "\nChat key:\n";
 701                 opstream << KeyToChar(game.chatkey);
 702                 opstream.close();
 703         }
 704         if(ipstream){
 705                 int i;
 706                 ipstream.ignore(256,'\n');
 707                 ipstream >> kContextWidth;
 708                 ipstream.ignore(256,'\n');
 709                 ipstream.ignore(256,'\n');
 710                 ipstream >> kContextHeight;
 711                 ipstream.ignore(256,'\n');
 712                 ipstream.ignore(256,'\n');
 713                 ipstream >> usermousesensitivity;
 714                 ipstream.ignore(256,'\n');
 715                 ipstream.ignore(256,'\n');
 716                 ipstream >> i;
 717                 ismotionblur = (i != 0);
 718                 ipstream.ignore(256,'\n');
 719                 ipstream.ignore(256,'\n');
 720                 ipstream >> detail;
 721                 if(detail!=0)kBitsPerPixel=32;
 722                 else kBitsPerPixel=16;
 723                 ipstream.ignore(256,'\n');
 724                 ipstream.ignore(256,'\n');
 725                 ipstream >> i;
 726                 floatjump = (i != 0);
 727                 ipstream.ignore(256,'\n');
 728                 ipstream.ignore(256,'\n');
 729                 ipstream >> i;
 730                 mousejump = (i != 0);
 731                 ipstream.ignore(256,'\n');
 732                 ipstream.ignore(256,'\n');
 733                 ipstream >> i;
 734                 ambientsound = (i != 0);
 735                 ipstream.ignore(256,'\n');
 736                 ipstream.ignore(256,'\n');
 737                 ipstream >> bloodtoggle;
 738                 ipstream.ignore(256,'\n');
 739                 ipstream.ignore(256,'\n');
 740                 ipstream >> i;
 741                 autoslomo = (i != 0);
 742                 ipstream.ignore(256,'\n');
 743                 ipstream.ignore(256,'\n');
 744                 ipstream >> i;
 745                 foliage = (i != 0);
 746                 ipstream.ignore(256,'\n');
 747                 ipstream.ignore(256,'\n');
 748                 ipstream >> i;
 749                 musictoggle = (i != 0);
 750                 ipstream.ignore(256,'\n');
 751                 ipstream.ignore(256,'\n');
 752                 ipstream >> i;
 753                 trilinear = (i != 0);
 754                 ipstream.ignore(256,'\n');
 755                 ipstream.ignore(256,'\n');
 756                 ipstream >> i;
 757                 decals = (i != 0);
 758                 ipstream.ignore(256,'\n');
 759                 ipstream.ignore(256,'\n');
 760                 ipstream >> i;
 761                 invertmouse = (i != 0);
 762                 ipstream.ignore(256,'\n');
 763                 ipstream.ignore(256,'\n');
 764                 ipstream >> gamespeed;
 765                 oldgamespeed=gamespeed;
 766                 if(oldgamespeed==0){
 767                         gamespeed=1;
 768                         oldgamespeed=1;
 769                 }
 770                 ipstream.ignore(256,'\n');
 771                 ipstream.ignore(256,'\n');
 772                 ipstream >> difficulty;
 773                 ipstream.ignore(256,'\n');
 774                 ipstream.ignore(256,'\n');
 775                 ipstream >> i;
 776                 damageeffects = (i != 0);
 777                 ipstream.ignore(256,'\n');
 778                 ipstream.ignore(256,'\n');
 779                 ipstream >> i;
 780                 texttoggle = (i != 0);
 781                 ipstream.ignore(256,'\n');
 782                 ipstream.ignore(256,'\n');
 783                 ipstream >> i;
 784                 debugmode = (i != 0);
 785                 ipstream.ignore(256,'\n');
 786                 ipstream.ignore(256,'\n');
 787                 ipstream >> i;
 788                 vblsync = (i != 0);
 789                 ipstream.ignore(256,'\n');
 790                 ipstream.ignore(256,'\n');
 791                 ipstream >> i;
 792                 showpoints = (i != 0);
 793                 ipstream.ignore(256,'\n');
 794                 ipstream.ignore(256,'\n');
 795                 ipstream >> i;
 796                 alwaysblur = (i != 0);
 797                 ipstream.ignore(256,'\n');
 798                 ipstream.ignore(256,'\n');
 799                 ipstream >> i;
 800                 immediate = (i != 0);
 801                 ipstream.ignore(256,'\n');
 802                 ipstream.ignore(256,'\n');
 803                 ipstream >> i;
 804                 velocityblur = (i != 0);
 805                 ipstream.ignore(256,'\n');
 806                 ipstream.ignore(256,'\n');
 807                 ipstream >> volume;
 808                 ipstream.ignore(256,'\n');
 809                 ipstream.ignore(256,'\n');
 810                 ipstream >> string;
 811                 game.forwardkey=CharToKey(string);
 812                 ipstream.ignore(256,'\n');
 813                 ipstream.ignore(256,'\n');
 814                 ipstream >> string;
 815                 game.backkey=CharToKey(string);
 816                 ipstream.ignore(256,'\n');
 817                 ipstream.ignore(256,'\n');
 818                 ipstream >> string;
 819                 game.leftkey=CharToKey(string);
 820                 ipstream.ignore(256,'\n');
 821                 ipstream.ignore(256,'\n');
 822                 ipstream >> string;
 823                 game.rightkey=CharToKey(string);
 824                 ipstream.ignore(256,'\n');
 825                 ipstream.ignore(256,'\n');
 826                 ipstream >> string;
 827                 game.jumpkey=CharToKey(string);
 828                 ipstream.ignore(256,'\n');
 829                 ipstream.ignore(256,'\n');
 830                 ipstream >> string;
 831                 game.crouchkey=CharToKey(string);
 832                 ipstream.ignore(256,'\n');
 833                 ipstream.ignore(256,'\n');
 834                 ipstream >> string;
 835                 game.drawkey=CharToKey(string);
 836                 ipstream.ignore(256,'\n');
 837                 ipstream.ignore(256,'\n');
 838                 ipstream >> string;
 839                 game.throwkey=CharToKey(string);
 840                 ipstream.ignore(256,'\n');
 841                 ipstream.ignore(256,'\n');
 842                 ipstream >> string;
 843                 game.attackkey=CharToKey(string);
 844                 ipstream.ignore(256,'\n');
 845                 ipstream.ignore(256,'\n');
 846                 ipstream >> string;
 847                 game.chatkey=CharToKey(string);
 848                 ipstream.close();
 849
 850                 if(detail>2)detail=2;
 851                 if(detail<0)detail=0;
 852                 if(screenwidth<0)screenwidth=640;
 853                 if(screenheight<0)screenheight=480;
 854
 855         }
 856         if(kBitsPerPixel!=32&&kBitsPerPixel!=16){
 857                 kBitsPerPixel=16;
 858         }
 859
 860
 861         selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
 862
 863         SetupDSpFullScreen();
 864
 865
 866     if (!SDL_WasInit(SDL_INIT_VIDEO))
 867     {
 868         if (SDL_Init(SDL_INIT_VIDEO) == -1)
 869         {
 870             fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
 871             return false;
 872         }
 873
 874         if (SDL_GL_LoadLibrary(NULL) == -1)
 875         {
 876             fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
 877             SDL_Quit();
 878             return false;
 879         }
 880
 881         SDL_Rect **res = SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_OPENGL);
 882         if ( (res == NULL) || (res == ((SDL_Rect **)-1)) || (res[0] == NULL) || (res[0]->w < 640) || (res[0]->h < 480) )
 883             res = hardcoded_resolutions;
 884
 885         // reverse list (it was sorted biggest to smallest by SDL)...
 886         int count;
 887         for (count = 0; res[count]; count++)
 888         {
 889             if ((res[count]->w < 640) || (res[count]->h < 480))
 890                 break;   // sane lower limit.
 891         }
 892
 893         static SDL_Rect *resolutions_block = NULL;
 894         resolutions_block = (SDL_Rect*) realloc(resolutions_block, sizeof (SDL_Rect) * count);
 895         resolutions = (SDL_Rect**) realloc(resolutions, sizeof (SDL_Rect *) * (count + 1));
 896         if ((resolutions_block == NULL) || (resolutions == NULL))
 897         {
 898             SDL_Quit();
 899             fprintf(stderr, "Out of memory!\n");
 900             return false;
 901         }
 902
 903         resolutions[count--] = NULL;
 904         for (int i = 0; count >= 0; i++, count--)
 905         {
 906             memcpy(&resolutions_block[count], res[i], sizeof (SDL_Rect));
 907             resolutions[count] = &resolutions_block[count];
 908         }
 909
 910         if (cmdline("showresolutions"))
 911         {
 912             printf("Resolutions we think are okay:\n");
 913             for (int i = 0; resolutions[i]; i++)
 914                 printf("  %d x %d\n", (int) resolutions[i]->w, (int) resolutions[i]->h);
 915         }
 916     }
 917
 918     Uint32 sdlflags = SDL_OPENGL;
 919     if (!cmdline("windowed"))
 920         sdlflags |= SDL_FULLSCREEN;
 921
 922     SDL_WM_SetCaption("Lugaru", "Lugaru");
 923
 924     SDL_ShowCursor(0);
 925
 926     SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
 927
 928     if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
 929     {
 930         fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
 931         fprintf(stderr, "forcing 640x480...\n");
 932         kContextWidth = 640;
 933         kContextHeight = 480;
 934         if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
 935         {
 936             fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
 937             fprintf(stderr, "forcing 640x480 windowed mode...\n");
 938             sdlflags &= ~SDL_FULLSCREEN;
 939             if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
 940             {
 941                 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
 942                 return false;
 943             }
 944         }
 945     }
 946
 947     int dblbuf = 0;
 948     if ((SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &dblbuf) == -1) || (!dblbuf))
 949     {
 950         fprintf(stderr, "Failed to get double buffered GL context!\n");
 951         SDL_Quit();
 952         return false;
 953     }
 954
 955     if (!lookup_all_glsyms())
 956     {
 957         SDL_Quit();
 958         return false;
 959     }
 960
 961     if (!cmdline("nomousegrab"))
 962         SDL_WM_GrabInput(SDL_GRAB_ON);
 963
 964
 965         glClear( GL_COLOR_BUFFER_BIT );
 966         swap_gl_buffers();
 967
 968         // clear all states
 969         glDisable( GL_ALPHA_TEST);
 970         glDisable( GL_BLEND);
 971         glDisable( GL_DEPTH_TEST);
 972         //      glDisable( GL_DITHER);
 973         glDisable( GL_FOG);
 974         glDisable( GL_LIGHTING);
 975         glDisable( GL_LOGIC_OP);
 976         glDisable( GL_STENCIL_TEST);
 977         glDisable( GL_TEXTURE_1D);
 978         glDisable( GL_TEXTURE_2D);
 979         glPixelTransferi( GL_MAP_COLOR, GL_FALSE);
 980         glPixelTransferi( GL_RED_SCALE, 1);
 981         glPixelTransferi( GL_RED_BIAS, 0);
 982         glPixelTransferi( GL_GREEN_SCALE, 1);
 983         glPixelTransferi( GL_GREEN_BIAS, 0);
 984         glPixelTransferi( GL_BLUE_SCALE, 1);
 985         glPixelTransferi( GL_BLUE_BIAS, 0);
 986         glPixelTransferi( GL_ALPHA_SCALE, 1);
 987         glPixelTransferi( GL_ALPHA_BIAS, 0);
 988
 989         // set initial rendering states
 990         glShadeModel( GL_SMOOTH);
 991         glClearDepth( 1.0f);
 992         glDepthFunc( GL_LEQUAL);
 993         glDepthMask( GL_TRUE);
 994         //      glDepthRange( FRONT_CLIP, BACK_CLIP);
 995         glEnable( GL_DEPTH_TEST);
 996         glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
 997         glCullFace( GL_FRONT);
 998         glEnable( GL_CULL_FACE);
 999         glEnable( GL_LIGHTING);
1000 //      glEnable( GL_LIGHT_MODEL_AMBIENT);
1001         glEnable( GL_DITHER);
1002         glEnable( GL_COLOR_MATERIAL);
1003         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1004         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1005         glAlphaFunc( GL_GREATER, 0.5f);
1006
1007         GLint width = kContextWidth;
1008         GLint height = kContextHeight;
1009         gMidPoint.h = width / 2;
1010         gMidPoint.v = height / 2;
1011         screenwidth=width;
1012         screenheight=height;
1013
1014         game.newdetail=detail;
1015         game.newscreenwidth=screenwidth;
1016         game.newscreenheight=screenheight;
1017
1018         game.InitGame();
1019
1020         return true;
1021 }
1022
1023
1024 static void DoMouse(Game & game)
1025 {
1026
1027         if(mainmenu||(abs(game.deltah)<10*realmultiplier*1000&&abs(game.deltav)<10*realmultiplier*1000))
1028         {
1029                 game.deltah *= usermousesensitivity;
1030                 game.deltav *= usermousesensitivity;
1031                 game.mousecoordh += game.deltah;
1032                 game.mousecoordv += game.deltav;
1033         if (game.mousecoordh < 0)
1034             game.mousecoordh = 0;
1035         else if (game.mousecoordh >= kContextWidth)
1036             game.mousecoordh = kContextWidth - 1;
1037         if (game.mousecoordv < 0)
1038             game.mousecoordv = 0;
1039         else if (game.mousecoordv >= kContextHeight)
1040             game.mousecoordv = kContextHeight - 1;
1041         }
1042
1043 }
1044
1045
1046
1047 // --------------------------------------------------------------------------
1048
1049 void DoKey (SInt8 theKey, SInt8 theCode)
1050 {
1051         // do nothing
1052 }
1053
1054 // --------------------------------------------------------------------------
1055
1056
1057
1058 void DoFrameRate (int update)
1059 {
1060         static long frames = 0;
1061
1062         static AbsoluteTime time = {0,0};
1063         static AbsoluteTime frametime = {0,0};
1064         AbsoluteTime currTime = UpTime ();
1065         double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
1066
1067         if (0 > deltaTime)      // if negative microseconds
1068                 deltaTime /= -1000000.0;
1069         else                            // else milliseconds
1070                 deltaTime /= 1000.0;
1071
1072         multiplier=deltaTime;
1073         if(multiplier<.001)multiplier=.001;
1074         if(multiplier>10)multiplier=10;
1075         if(update)frametime = currTime; // reset for next time interval
1076
1077         deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
1078
1079         if (0 > deltaTime)      // if negative microseconds
1080                 deltaTime /= -1000000.0;
1081         else                            // else milliseconds
1082                 deltaTime /= 1000.0;
1083         frames++;
1084         if (0.001 <= deltaTime) // has update interval passed
1085         {
1086                 if(update){
1087                         time = currTime;        // reset for next time interval
1088                         frames = 0;
1089                 }
1090         }
1091 }
1092
1093
1094 void DoUpdate (Game & game)
1095 {
1096         static float sps=200;
1097         static int count;
1098         static float oldmult;
1099
1100         DoFrameRate(1);
1101         if(multiplier>.6)multiplier=.6;
1102
1103         game.fps=1/multiplier;
1104
1105         count = multiplier*sps;
1106         if(count<2)count=2;
1107         //if(count>10)count=10;
1108
1109         realmultiplier=multiplier;
1110         multiplier*=gamespeed;
1111         if(difficulty==1)multiplier*=.9;
1112         if(difficulty==0)multiplier*=.8;
1113
1114         if(game.loading==4)multiplier*=.00001;
1115         //multiplier*.9;
1116         if(slomo&&!mainmenu)multiplier*=slomospeed;
1117         //if(freeze)multiplier*=0.00001;
1118         oldmult=multiplier;
1119         multiplier/=(float)count;
1120
1121         DoMouse(game);
1122
1123         game.TickOnce();
1124
1125         for(int i=0;i<count;i++)
1126         {
1127                 game.Tick();
1128         }
1129         multiplier=oldmult;
1130
1131         game.TickOnceAfter();
1132 /* - Debug code to test how many channels were active on average per frame
1133         static long frames = 0;
1134
1135         static AbsoluteTime start = {0,0};
1136         AbsoluteTime currTime = UpTime ();
1137         static int num_channels = 0;
1138
1139         num_channels += OPENAL_GetChannelsPlaying();
1140         double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
1141
1142         if (0 > deltaTime)      // if negative microseconds
1143                 deltaTime /= -1000000.0;
1144         else                            // else milliseconds
1145                 deltaTime /= 1000.0;
1146
1147         ++frames;
1148
1149         if (deltaTime >= 1)
1150         {
1151                 start = currTime;
1152                 float avg_channels = (float)num_channels / (float)frames;
1153
1154                 ofstream opstream("log.txt",ios::app);
1155                 opstream << "Average frame count: ";
1156                 opstream << frames;
1157                 opstream << " frames - ";
1158                 opstream << avg_channels;
1159                 opstream << " per frame.\n";
1160                 opstream.close();
1161
1162                 frames = 0;
1163                 num_channels = 0;
1164         }
1165 */
1166         DrawGL (game);
1167 }
1168
1169 // --------------------------------------------------------------------------
1170
1171
1172 void CleanUp (void)
1173 {
1174         LOGFUNC;
1175
1176 //      game.Dispose();
1177
1178
1179
1180
1181     SDL_Quit();
1182     #define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
1183     #include "glstubs.h"
1184     #undef GL_FUNC
1185     // cheat here...static destructors are calling glDeleteTexture() after
1186     //  the context is destroyed and libGL unloaded by SDL_Quit().
1187     pglDeleteTextures = glDeleteTextures_doNothing;
1188
1189 }
1190
1191 // --------------------------------------------------------------------------
1192
1193 static bool IsFocused()
1194 {
1195     return ((SDL_GetAppState() & SDL_APPINPUTFOCUS) != 0);
1196 }
1197
1198
1199 static void launch_web_browser(const char *url)
1200 {
1201 #ifdef WIN32
1202     ShellExecute(NULL, "open", url, NULL, NULL, SW_SHOWNORMAL);
1203
1204 #elif (defined(__APPLE__) && defined(__MACH__))
1205     const char *fmt = "open '%s'";
1206     const size_t len = strlen(fmt) + strlen(url) + 16;
1207     char *buf = new char[len];
1208     snprintf(buf, len, fmt, url);
1209     system(buf);
1210     delete[] buf;
1211
1212 #elif PLATFORM_LINUX
1213     const char *fmt = "PATH=$PATH:. xdg-open '%s'";
1214     const size_t len = strlen(fmt) + strlen(url) + 16;
1215     char *buf = new char[len];
1216     snprintf(buf, len, fmt, url);
1217     system(buf);
1218     delete[] buf;
1219 #endif
1220 }
1221
1222
1223 #ifndef WIN32
1224 // (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
1225 static char *findBinaryInPath(const char *bin, char *envr)
1226 {
1227     size_t alloc_size = 0;
1228     char *exe = NULL;
1229     char *start = envr;
1230     char *ptr;
1231
1232     do
1233     {
1234         size_t size;
1235         ptr = strchr(start, ':');  /* find next $PATH separator. */
1236         if (ptr)
1237             *ptr = '\0';
1238
1239         size = strlen(start) + strlen(bin) + 2;
1240         if (size > alloc_size)
1241         {
1242             char *x = (char *) realloc(exe, size);
1243             if (x == NULL)
1244             {
1245                 if (exe != NULL)
1246                     free(exe);
1247                 return(NULL);
1248             } /* if */
1249
1250             alloc_size = size;
1251             exe = x;
1252         } /* if */
1253
1254         /* build full binary path... */
1255         strcpy(exe, start);
1256         if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
1257             strcat(exe, "/");
1258         strcat(exe, bin);
1259
1260         if (access(exe, X_OK) == 0)  /* Exists as executable? We're done. */
1261         {
1262             strcpy(exe, start);  /* i'm lazy. piss off. */
1263             return(exe);
1264         } /* if */
1265
1266         start = ptr + 1;  /* start points to beginning of next element. */
1267     } while (ptr != NULL);
1268
1269     if (exe != NULL)
1270         free(exe);
1271
1272     return(NULL);  /* doesn't exist in path. */
1273 } /* findBinaryInPath */
1274
1275
1276 char *calcBaseDir(const char *argv0)
1277 {
1278     /* If there isn't a path on argv0, then look through the $PATH for it. */
1279     char *retval;
1280     char *envr;
1281
1282     const char *ptr = strrchr((char *)argv0, '/');
1283     if (strchr(argv0, '/'))
1284     {
1285         retval = strdup(argv0);
1286         if (retval)
1287             *((char *) strrchr(retval, '/')) = '\0';
1288         return(retval);
1289     }
1290
1291     envr = getenv("PATH");
1292     if (!envr) return NULL;
1293     envr = strdup(envr);
1294     if (!envr) return NULL;
1295     retval = findBinaryInPath(argv0, envr);
1296     free(envr);
1297     return(retval);
1298 }
1299
1300 static inline void chdirToAppPath(const char *argv0)
1301 {
1302     char *dir = calcBaseDir(argv0);
1303     if (dir)
1304     {
1305         #if (defined(__APPLE__) && defined(__MACH__))
1306         // Chop off /Contents/MacOS if it's at the end of the string, so we
1307         //  land in the base of the app bundle.
1308         const size_t len = strlen(dir);
1309         const char *bundledirs = "/Contents/MacOS";
1310         const size_t bundledirslen = strlen(bundledirs);
1311         if (len > bundledirslen)
1312         {
1313             char *ptr = (dir + len) - bundledirslen;
1314             if (strcasecmp(ptr, bundledirs) == 0)
1315                 *ptr = '\0';
1316         }
1317         #endif
1318         chdir(dir);
1319         free(dir);
1320     }
1321 }
1322 #endif
1323
1324
1325 int main(int argc, char **argv)
1326 {
1327 #ifndef __MINGW32__
1328     _argc = argc;
1329     _argv = argv;
1330 #endif
1331
1332     // !!! FIXME: we could use a Win32 API for this.  --ryan.
1333 #ifndef WIN32
1334     chdirToAppPath(argv[0]);
1335 #endif
1336
1337         LOGFUNC;
1338
1339         memset( &g_theKeys, 0, sizeof( KeyMap));
1340
1341     initSDLKeyTable();
1342
1343         try
1344         {
1345                 bool regnow = false;
1346                 {
1347                         Game game;
1348                         pgame = &game;
1349
1350                         //ofstream os("error.txt");
1351                         //os.close();
1352                         //ofstream os("log.txt");
1353                         //os.close();
1354
1355                         if (!SetUp (game))
1356                 return 42;
1357
1358                         while (!gDone&&!game.quit&&(!game.tryquit))
1359                         {
1360                                 if (IsFocused())
1361                                 {
1362                                         gameFocused = true;
1363
1364                                         // check windows messages
1365
1366                                         game.deltah = 0;
1367                                         game.deltav = 0;
1368                                         SDL_Event e;
1369                                         // message pump
1370                                         while( SDL_PollEvent( &e ) )
1371                                         {
1372                                                 if( e.type == SDL_QUIT )
1373                                                 {
1374                                                         gDone=true;
1375                                                         break;
1376                                                 }
1377                                                 sdlEventProc(e, game);
1378                                         }
1379
1380
1381                                         // game
1382                                         DoUpdate(game);
1383                                 }
1384                                 else
1385                                 {
1386                                         if (gameFocused)
1387                                         {
1388                                                 // allow game chance to pause
1389                                                 gameFocused = false;
1390                                                 DoUpdate(game);
1391                                         }
1392
1393                                         // game is not in focus, give CPU time to other apps by waiting for messages instead of 'peeking'
1394                     STUBBED("give up CPU but sniff the event queue");
1395                                 }
1396                         }
1397
1398                         regnow = game.registernow;
1399                 }
1400                 pgame = 0;
1401
1402                 CleanUp ();
1403 //              if(game.registernow){
1404                 if(regnow)
1405                 {
1406             #if (defined(__APPLE__) && defined(__MACH__))
1407             launch_web_browser("http://www.wolfire.com/purchase/lugaru/mac");
1408             #elif PLATFORM_LINUX
1409             launch_web_browser("http://www.wolfire.com/purchase/lugaru/linux");
1410             #else
1411             launch_web_browser("http://www.wolfire.com/purchase/lugaru/pc");
1412             #endif
1413                 }
1414
1415         #if PLATFORM_LINUX  // (this may not be necessary any more.)
1416         _exit(0);  // !!! FIXME: hack...crashes on exit!
1417         #endif
1418                 return 0;
1419         }
1420         catch (const std::exception& error)
1421         {
1422                 CleanUp();
1423
1424                 std::string e = "Caught exception: ";
1425                 e += error.what();
1426
1427                 LOG(e);
1428
1429                 MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
1430         }
1431
1432         CleanUp();
1433
1434         return -1;
1435 }
1436
1437
1438
1439         // --------------------------------------------------------------------------
1440
1441
1442
1443         bool selectDetail(int & width, int & height, int & bpp, int & detail)
1444         {
1445                 bool res = true;
1446
1447                 // currently with SDL, we just use whatever is requested
1448                 //  and don't care.  --ryan.
1449
1450
1451                 return res;
1452         }
1453
1454         extern int channels[100];
1455         extern OPENAL_SAMPLE * samp[100];
1456         extern OPENAL_STREAM * strm[20];
1457
1458         extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1459         {
1460                 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1461                 if (currSample && currSample == samp[chan])
1462                 {
1463                         if (OPENAL_GetPaused(channels[chan]))
1464                         {
1465                                 OPENAL_StopSound(channels[chan]);
1466                                 channels[chan] = OPENAL_FREE;
1467                         }
1468                         else if (OPENAL_IsPlaying(channels[chan]))
1469                         {
1470                                 int loop_mode = OPENAL_GetLoopMode(channels[chan]);
1471                                 if (loop_mode & OPENAL_LOOP_OFF)
1472                                 {
1473                                         channels[chan] = OPENAL_FREE;
1474                                 }
1475                         }
1476                 }
1477                 else
1478                 {
1479                         channels[chan] = OPENAL_FREE;
1480                 }
1481
1482                 channels[chan] = OPENAL_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
1483                 if (channels[chan] < 0)
1484                 {
1485                         channels[chan] = OPENAL_PlaySoundEx(OPENAL_FREE, sptr, dsp, startpaused);
1486                 }
1487         }
1488
1489         extern "C" void PlayStreamEx(int chan, OPENAL_STREAM *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1490         {
1491                 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1492                 if (currSample && currSample == OPENAL_Stream_GetSample(sptr))
1493                 {
1494                                 OPENAL_StopSound(channels[chan]);
1495                                 OPENAL_Stream_Stop(sptr);
1496                 }
1497                 else
1498                 {
1499                         OPENAL_Stream_Stop(sptr);
1500                         channels[chan] = OPENAL_FREE;
1501                 }
1502
1503                 channels[chan] = OPENAL_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
1504                 if (channels[chan] < 0)
1505                 {
1506                         channels[chan] = OPENAL_Stream_PlayEx(OPENAL_FREE, sptr, dsp, startpaused);
1507                 }
1508         }
1509
1510
1511         bool LoadImage(const char * fname, TGAImageRec & tex)
1512         {
1513                 bool res = true;
1514
1515                 if ( tex.data == NULL )
1516                 {
1517                         return false;
1518                 }
1519
1520
1521         res = load_image(fname, tex);
1522
1523
1524                 return res;
1525         }
1526
1527         void ScreenShot(const char * fname)
1528         {
1529
1530         save_image(fname);
1531
1532         }
1533
1534
1535
1536 static bool load_image(const char *file_name, TGAImageRec &tex)
1537 {
1538     const char *ptr = strrchr((char *)file_name, '.');
1539     if (ptr)
1540     {
1541         if (strcasecmp(ptr+1, "png") == 0)
1542             return load_png(file_name, tex);
1543         else if (strcasecmp(ptr+1, "jpg") == 0)
1544             return load_jpg(file_name, tex);
1545     }
1546
1547     STUBBED("Unsupported image type");
1548     return false;
1549 }
1550
1551
1552 struct my_error_mgr {
1553   struct jpeg_error_mgr pub;    /* "public" fields */
1554   jmp_buf setjmp_buffer;        /* for return to caller */
1555 };
1556 typedef struct my_error_mgr * my_error_ptr;
1557
1558
1559 static void my_error_exit(j_common_ptr cinfo)
1560 {
1561         struct my_error_mgr *err = (struct my_error_mgr *)cinfo->err;
1562         longjmp(err->setjmp_buffer, 1);
1563 }
1564
1565 /* stolen from public domain example.c code in libjpg distribution. */
1566 static bool load_jpg(const char *file_name, TGAImageRec &tex)
1567 {
1568     struct jpeg_decompress_struct cinfo;
1569     struct my_error_mgr jerr;
1570     JSAMPROW buffer[1];         /* Output row buffer */
1571     int row_stride;             /* physical row width in output buffer */
1572     FILE *infile = fopen(file_name, "rb");
1573
1574     if (infile == NULL)
1575         return false;
1576
1577     cinfo.err = jpeg_std_error(&jerr.pub);
1578     jerr.pub.error_exit = my_error_exit;
1579     if (setjmp(jerr.setjmp_buffer)) {
1580         jpeg_destroy_decompress(&cinfo);
1581         fclose(infile);
1582         return false;
1583     }
1584
1585     jpeg_create_decompress(&cinfo);
1586     jpeg_stdio_src(&cinfo, infile);
1587     (void) jpeg_read_header(&cinfo, TRUE);
1588
1589     cinfo.out_color_space = JCS_RGB;
1590     cinfo.quantize_colors = 0;
1591     (void) jpeg_calc_output_dimensions(&cinfo);
1592     (void) jpeg_start_decompress(&cinfo);
1593
1594     row_stride = cinfo.output_width * cinfo.output_components;
1595     tex.sizeX = cinfo.output_width;
1596     tex.sizeY = cinfo.output_height;
1597     tex.bpp = 24;
1598
1599     while (cinfo.output_scanline < cinfo.output_height) {
1600         buffer[0] = (JSAMPROW)(char *)tex.data +
1601                         ((cinfo.output_height-1) - cinfo.output_scanline) * row_stride;
1602         (void) jpeg_read_scanlines(&cinfo, buffer, 1);
1603     }
1604
1605     (void) jpeg_finish_decompress(&cinfo);
1606     jpeg_destroy_decompress(&cinfo);
1607     fclose(infile);
1608
1609     return true;
1610 }
1611
1612
1613 /* stolen from public domain example.c code in libpng distribution. */
1614 static bool load_png(const char *file_name, TGAImageRec &tex)
1615 {
1616     bool hasalpha = false;
1617     png_structp png_ptr = NULL;
1618     png_infop info_ptr = NULL;
1619     png_uint_32 width, height;
1620     int bit_depth, color_type, interlace_type;
1621     png_byte **rows = NULL;
1622     bool retval = false;
1623     png_byte **row_pointers = NULL;
1624     FILE *fp = fopen(file_name, "rb");
1625
1626     if (fp == NULL)
1627         return(NULL);
1628
1629     png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1630     if (png_ptr == NULL)
1631         goto png_done;
1632
1633     info_ptr = png_create_info_struct(png_ptr);
1634     if (info_ptr == NULL)
1635         goto png_done;
1636
1637     if (setjmp(png_jmpbuf(png_ptr)))
1638         goto png_done;
1639
1640     png_init_io(png_ptr, fp);
1641     png_read_png(png_ptr, info_ptr,
1642                  PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_PACKING,
1643                  NULL);
1644     png_get_IHDR(png_ptr, info_ptr, &width, &height,
1645                  &bit_depth, &color_type, &interlace_type, NULL, NULL);
1646
1647     if (bit_depth != 8)  // transform SHOULD handle this...
1648         goto png_done;
1649
1650     if (color_type & PNG_COLOR_MASK_PALETTE)  // !!! FIXME?
1651         goto png_done;
1652
1653     if ((color_type & PNG_COLOR_MASK_COLOR) == 0)  // !!! FIXME?
1654         goto png_done;
1655
1656     hasalpha = ((color_type & PNG_COLOR_MASK_ALPHA) != 0);
1657     row_pointers = png_get_rows(png_ptr, info_ptr);
1658     if (!row_pointers)
1659         goto png_done;
1660
1661     if (!hasalpha)
1662     {
1663         png_byte *dst = tex.data;
1664         for (int i = height-1; i >= 0; i--)
1665         {
1666             png_byte *src = row_pointers[i];
1667             for (int j = 0; j < width; j++)
1668             {
1669                 dst[0] = src[0];
1670                 dst[1] = src[1];
1671                 dst[2] = src[2];
1672                 dst[3] = 0xFF;
1673                 src += 3;
1674                 dst += 4;
1675             }
1676         }
1677     }
1678
1679     else
1680     {
1681         png_byte *dst = tex.data;
1682         int pitch = width * 4;
1683         for (int i = height-1; i >= 0; i--, dst += pitch)
1684             memcpy(dst, row_pointers[i], pitch);
1685     }
1686
1687     tex.sizeX = width;
1688     tex.sizeY = height;
1689     tex.bpp = 32;
1690     retval = true;
1691
1692 png_done:
1693     png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
1694     if (fp)
1695         fclose(fp);
1696     return (retval);
1697 }
1698
1699
1700 static bool save_image(const char *file_name)
1701 {
1702     const char *ptr = strrchr((char *)file_name, '.');
1703     if (ptr)
1704     {
1705         if (strcasecmp(ptr+1, "png") == 0)
1706             return save_png(file_name);
1707     }
1708
1709     STUBBED("Unsupported image type");
1710     return false;
1711 }
1712
1713
1714 static bool save_png(const char *file_name)
1715 {
1716     FILE *fp = NULL;
1717     png_structp png_ptr = NULL;
1718     png_infop info_ptr = NULL;
1719     bool retval = false;
1720
1721     fp = fopen(file_name, "wb");
1722     if (fp == NULL)
1723         return false;
1724
1725     png_bytep *row_pointers = new png_bytep[kContextHeight];
1726     png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];
1727     if ((!screenshot) || (!row_pointers))
1728         goto save_png_done;
1729
1730     glGetError();
1731     glReadPixels(0, 0, kContextWidth, kContextHeight,
1732                  GL_RGB, GL_UNSIGNED_BYTE, screenshot);
1733     if (glGetError() != GL_NO_ERROR)
1734         goto save_png_done;
1735
1736     for (int i = 0; i < kContextHeight; i++)
1737         row_pointers[i] = screenshot + ((kContextWidth * ((kContextHeight-1) - i)) * 3);
1738
1739     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1740     if (png_ptr == NULL)
1741         goto save_png_done;
1742
1743     info_ptr = png_create_info_struct(png_ptr);
1744     if (info_ptr == NULL)
1745         goto save_png_done;
1746
1747     if (setjmp(png_jmpbuf(png_ptr)))
1748         goto save_png_done;
1749
1750     png_init_io(png_ptr, fp);
1751
1752     if (setjmp(png_jmpbuf(png_ptr)))
1753         goto save_png_done;
1754
1755     png_set_IHDR(png_ptr, info_ptr, kContextWidth, kContextHeight,
1756                  8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
1757                  PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
1758
1759     png_write_info(png_ptr, info_ptr);
1760
1761     if (setjmp(png_jmpbuf(png_ptr)))
1762         goto save_png_done;
1763
1764         png_write_image(png_ptr, row_pointers);
1765
1766         if (setjmp(png_jmpbuf(png_ptr)))
1767         goto save_png_done;
1768
1769     png_write_end(png_ptr, NULL);
1770     retval = true;
1771
1772 save_png_done:
1773     png_destroy_write_struct(&png_ptr, &info_ptr);
1774     delete[] screenshot;
1775     delete[] row_pointers;
1776     if (fp)
1777         fclose(fp);
1778     if (!retval)
1779         unlink(ConvertFileName(file_name));
1780     return retval;
1781 }
1782
1783
1784