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 #ifdef WIN32
  23 #define UINT8 WIN32API_UINT8
  24 #define UINT16 WIN32API_UINT16
  25 #define boolean WIN32API_boolean
  26 #include <windows.h>
  27 #undef UINT8
  28 #undef UINT16
  29 #undef boolean
  30 #endif
  31
  32 #define USE_DEVIL 0
  33
  34 #ifndef USE_DEVIL
  35 #  ifdef WIN32
  36 #    define USE_DEVIL
  37 #  endif
  38 #endif
  39
  40 #if USE_DEVIL
  41     #include "IL/il.h"
  42     #include "IL/ilu.h"
  43     #include "IL/ilut.h"
  44         #include "Game.h"
  45 #else
  46
  47         #include "Game.h"
  48         extern "C" {
  49                 #include "zlib.h"
  50                 #include "png.h"
  51                 #include "jpeglib.h"
  52         }
  53
  54     static bool load_image(const char * fname, TGAImageRec & tex);
  55     static bool load_png(const char * fname, TGAImageRec & tex);
  56     static bool load_jpg(const char * fname, TGAImageRec & tex);
  57     static bool save_image(const char * fname);
  58     static bool save_png(const char * fname);
  59 #endif
  60
  61 #include "openal_wrapper.h"
  62
  63 // ADDED GWC
  64 #ifdef _MSC_VER
  65 #pragma comment(lib, "opengl32.lib")
  66 #pragma comment(lib, "glu32.lib")
  67 #pragma comment(lib, "glaux.lib")
  68 #endif
  69
  70 extern bool buttons[3];
  71 extern float multiplier;
  72 extern float screenwidth,screenheight;
  73 extern float sps;
  74 extern float realmultiplier;
  75 extern int slomo;
  76 extern bool ismotionblur;
  77 extern float usermousesensitivity;
  78 extern int detail;
  79 extern bool floatjump;
  80 extern bool cellophane;
  81 // MODIFIED GWC
  82 //extern int terraindetail;
  83 //extern int texdetail;
  84 extern float terraindetail;
  85 extern float texdetail;
  86 extern int bloodtoggle;
  87 extern bool osx;
  88 extern bool autoslomo;
  89 extern bool foliage;
  90 extern bool musictoggle;
  91 extern bool trilinear;
  92 extern float gamespeed;
  93 extern int difficulty;
  94 extern bool damageeffects;
  95 extern int numplayers;
  96 extern bool decals;
  97 extern bool invertmouse;
  98 extern bool texttoggle;
  99 extern bool ambientsound;
 100 extern bool mousejump;
 101 extern bool freeze;
 102 extern Person player[maxplayers];
 103 extern bool vblsync;
 104 extern bool stillloading;
 105 extern bool showpoints;
 106 extern bool alwaysblur;
 107 extern bool immediate;
 108 extern bool velocityblur;
 109 extern bool debugmode;
 110 extern int mainmenu;
 111 /*extern*/ bool gameFocused;
 112 extern int kBitsPerPixel;
 113 extern float slomospeed;
 114 extern float slomofreq;
 115 extern float oldgamespeed;
 116 extern float volume;
 117
 118 #include <math.h>
 119 #include <stdio.h>
 120 #include <string.h>
 121 #include <fstream>
 122 #include <iostream>
 123 #include "gamegl.h"
 124 #include "MacCompatibility.h"
 125
 126 #ifdef WIN32
 127 #include <shellapi.h>
 128 #endif
 129
 130 #include "fmod.h"
 131
 132 #include "res/resource.h"
 133
 134 using namespace std;
 135
 136
 137 #if USE_SDL
 138 SDL_Rect **resolutions = NULL;
 139 static SDL_Rect rect_1024_768 = { 0, 0, 1024, 768 };
 140 static SDL_Rect rect_800_600  = { 0, 0, 800,  600 };
 141 static SDL_Rect rect_640_480  = { 0, 0, 640,  480 };
 142 static SDL_Rect *hardcoded_resolutions[] = {
 143     &rect_1024_768,
 144     &rect_800_600,
 145     &rect_640_480,
 146     NULL
 147 };
 148 #endif
 149
 150
 151 unsigned int resolutionDepths[8][2] = {0};
 152
 153 bool selectDetail(int & width, int & height, int & bpp, int & detail);
 154 int closestResolution(int width, int height);
 155 int resolutionID(int width, int height);
 156
 157 void ReportError (char * strError);
 158
 159 void SetupDSpFullScreen();
 160 void ShutdownDSp();
 161
 162 void DrawGL(Game & game);
 163
 164 void CreateGLWindow (void);
 165 Boolean SetUp (Game & game);
 166 void DoKey (SInt8 theKey, SInt8 theCode);
 167 void DoUpdate (Game & game);
 168
 169 void DoEvent (void);
 170 void CleanUp (void);
 171
 172
 173 // statics/globals (internal only) ------------------------------------------
 174 #ifndef WIN32
 175 typedef struct tagPOINT {
 176   int x;
 177   int y;
 178 } POINT, *PPOINT;
 179 #endif
 180
 181 #if USE_SDL
 182
 183 #ifdef _MSC_VER
 184 #pragma warning(push)
 185 #pragma warning(disable: 4273)
 186 #endif
 187
 188 #define GL_FUNC(ret,fn,params,call,rt) \
 189     extern "C" { \
 190         static ret (GLAPIENTRY *p##fn) params = NULL; \
 191         ret GLAPIENTRY fn params { rt p##fn call; } \
 192     }
 193 #include "glstubs.h"
 194 #undef GL_FUNC
 195
 196 #ifdef _MSC_VER
 197 #pragma warning(pop)
 198 #endif
 199
 200 static bool lookup_glsym(const char *funcname, void **func)
 201 {
 202     *func = SDL_GL_GetProcAddress(funcname);
 203     if (*func == NULL)
 204     {
 205         fprintf(stderr, "Failed to find OpenGL symbol \"%s\"\n", funcname);
 206         return false;
 207     }
 208     return true;
 209 }
 210
 211 static bool lookup_all_glsyms(void)
 212 {
 213     bool retval = true;
 214     #define GL_FUNC(ret,fn,params,call,rt) \
 215         if (!lookup_glsym(#fn, (void **) &p##fn)) retval = false;
 216     #include "glstubs.h"
 217     #undef GL_FUNC
 218     return retval;
 219 }
 220
 221 static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textures)
 222 {
 223     // no-op.
 224 }
 225
 226
 227
 228 void sdlGetCursorPos(POINT *pt)
 229 {
 230     int x, y;
 231     SDL_GetMouseState(&x, &y);
 232     pt->x = x;
 233     pt->y = y;
 234 }
 235 #define GetCursorPos(x) sdlGetCursorPos(x)
 236 #define SetCursorPos(x, y) SDL_WarpMouse(x, y)
 237 #define ScreenToClient(x, pt)
 238 #define ClientToScreen(x, pt)
 239 #ifdef MessageBox
 240 #undef MessageBox
 241 #endif
 242 #define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
 243 #endif
 244
 245 Point delta;
 246
 247 static bool g_button, fullscreen = true;
 248
 249
 250 // Menu defs
 251 enum
 252 {
 253         kFileQuit = 1
 254 };
 255
 256 enum
 257 {
 258         kForegroundSleep = 10,
 259         kBackgroundSleep = 10000
 260 };
 261
 262
 263 int kContextWidth;
 264 int kContextHeight;
 265
 266 const RGBColor rgbBlack = { 0x0000, 0x0000, 0x0000 };
 267
 268 GLuint gFontList;
 269 char gcstrMode [256] = "";
 270
 271 UInt32 gSleepTime = kForegroundSleep;
 272 Boolean gDone = false, gfFrontProcess = true;
 273
 274 Game * pgame = 0;
 275
 276 #ifndef __MINGW32__
 277 static int _argc = 0;
 278 static char **_argv = NULL;
 279 #endif
 280
 281 bool cmdline(const char *cmd)
 282 {
 283     for (int i = 1; i < _argc; i++)
 284     {
 285         char *arg = _argv[i];
 286         while (*arg == '-')
 287             arg++;
 288         if (strcasecmp(arg, cmd) == 0)
 289             return true;
 290     }
 291
 292     return false;
 293 }
 294
 295
 296 // --------------------------------------------------------------------------
 297
 298 void ReportError (char * strError)
 299 {
 300 #ifdef _MSC_VER  // !!! FIXME.  --ryan.
 301         throw std::exception( strError);
 302 #endif
 303
 304         /*      char errMsgCStr [256];
 305         Str255 strErr;
 306
 307         sprintf (errMsgCStr, "%s", strError);
 308
 309         // out as debug string
 310         CToPStr (strErr, errMsgCStr);
 311         DebugStr (strErr);
 312         */
 313 }
 314
 315 void SetupDSpFullScreen ()
 316 {
 317 }
 318
 319
 320 void ShutdownDSp ()
 321 {
 322 }
 323
 324
 325 //-----------------------------------------------------------------------------------------------------------------------
 326
 327 // OpenGL Drawing
 328
 329 void DrawGL (Game & game)
 330 {
 331         game.DrawGLScene();
 332 }
 333
 334
 335 static KeyMap g_theKeys;
 336
 337 void SetKey( int key)
 338 {
 339     g_theKeys[ key >> 3] |= (1 << (key & 7));
 340 }
 341
 342 void ClearKey( int key)
 343 {
 344     g_theKeys[ key >> 3] &= (0xff ^ (1 << (key & 7)));
 345 }
 346
 347 void GetKeys(  unsigned char theKeys[16])
 348 {
 349     memcpy( theKeys, &g_theKeys, 16);
 350 }
 351
 352 Boolean Button()
 353 {
 354     return g_button;
 355 }
 356
 357 #if !USE_SDL
 358 static void initSDLKeyTable(void) {}
 359 #else
 360 #define MAX_SDLKEYS SDLK_LAST
 361 static unsigned short KeyTable[MAX_SDLKEYS];
 362
 363 static void initSDLKeyTable(void)
 364 {
 365     memset(KeyTable, 0xFF, sizeof (KeyTable));
 366     KeyTable[SDLK_BACKSPACE] = MAC_DELETE_KEY;
 367     KeyTable[SDLK_TAB] = MAC_TAB_KEY;
 368     KeyTable[SDLK_RETURN] = MAC_RETURN_KEY;
 369     KeyTable[SDLK_ESCAPE] = MAC_ESCAPE_KEY;
 370     KeyTable[SDLK_SPACE] = MAC_SPACE_KEY;
 371     KeyTable[SDLK_PAGEUP] = MAC_PAGE_UP_KEY;
 372     KeyTable[SDLK_PAGEDOWN] = MAC_PAGE_DOWN_KEY;
 373     KeyTable[SDLK_END] = MAC_END_KEY;
 374     KeyTable[SDLK_HOME] = MAC_HOME_KEY;
 375     KeyTable[SDLK_LEFT] = MAC_ARROW_LEFT_KEY;
 376     KeyTable[SDLK_UP] = MAC_ARROW_UP_KEY;
 377     KeyTable[SDLK_RIGHT] = MAC_ARROW_RIGHT_KEY;
 378     KeyTable[SDLK_DOWN] = MAC_ARROW_DOWN_KEY;
 379     KeyTable[SDLK_INSERT] = MAC_INSERT_KEY;
 380     KeyTable[SDLK_DELETE] = MAC_DEL_KEY;
 381     KeyTable[SDLK_0] = MAC_0_KEY;
 382     KeyTable[SDLK_1] = MAC_1_KEY;
 383     KeyTable[SDLK_2] = MAC_2_KEY;
 384     KeyTable[SDLK_3] = MAC_3_KEY;
 385     KeyTable[SDLK_4] = MAC_4_KEY;
 386     KeyTable[SDLK_5] = MAC_5_KEY;
 387     KeyTable[SDLK_6] = MAC_6_KEY;
 388     KeyTable[SDLK_7] = MAC_7_KEY;
 389     KeyTable[SDLK_8] = MAC_8_KEY;
 390     KeyTable[SDLK_9] = MAC_9_KEY;
 391     KeyTable[SDLK_a] = MAC_A_KEY;
 392     KeyTable[SDLK_b] = MAC_B_KEY;
 393     KeyTable[SDLK_c] = MAC_C_KEY;
 394     KeyTable[SDLK_d] = MAC_D_KEY;
 395     KeyTable[SDLK_e] = MAC_E_KEY;
 396     KeyTable[SDLK_f] = MAC_F_KEY;
 397     KeyTable[SDLK_g] = MAC_G_KEY;
 398     KeyTable[SDLK_h] = MAC_H_KEY;
 399     KeyTable[SDLK_i] = MAC_I_KEY;
 400     KeyTable[SDLK_j] = MAC_J_KEY;
 401     KeyTable[SDLK_k] = MAC_K_KEY;
 402     KeyTable[SDLK_l] = MAC_L_KEY;
 403     KeyTable[SDLK_m] = MAC_M_KEY;
 404     KeyTable[SDLK_n] = MAC_N_KEY;
 405     KeyTable[SDLK_o] = MAC_O_KEY;
 406     KeyTable[SDLK_p] = MAC_P_KEY;
 407     KeyTable[SDLK_q] = MAC_Q_KEY;
 408     KeyTable[SDLK_r] = MAC_R_KEY;
 409     KeyTable[SDLK_s] = MAC_S_KEY;
 410     KeyTable[SDLK_t] = MAC_T_KEY;
 411     KeyTable[SDLK_u] = MAC_U_KEY;
 412     KeyTable[SDLK_v] = MAC_V_KEY;
 413     KeyTable[SDLK_w] = MAC_W_KEY;
 414     KeyTable[SDLK_x] = MAC_X_KEY;
 415     KeyTable[SDLK_y] = MAC_Y_KEY;
 416     KeyTable[SDLK_z] = MAC_Z_KEY;
 417     KeyTable[SDLK_KP0] = MAC_NUMPAD_0_KEY;
 418     KeyTable[SDLK_KP1] = MAC_NUMPAD_1_KEY;
 419     KeyTable[SDLK_KP2] = MAC_NUMPAD_2_KEY;
 420     KeyTable[SDLK_KP3] = MAC_NUMPAD_3_KEY;
 421     KeyTable[SDLK_KP4] = MAC_NUMPAD_4_KEY;
 422     KeyTable[SDLK_KP5] = MAC_NUMPAD_5_KEY;
 423     KeyTable[SDLK_KP6] = MAC_NUMPAD_6_KEY;
 424     KeyTable[SDLK_KP7] = MAC_NUMPAD_7_KEY;
 425     KeyTable[SDLK_KP8] = MAC_NUMPAD_8_KEY;
 426     KeyTable[SDLK_KP9] = MAC_NUMPAD_9_KEY;
 427     KeyTable[SDLK_KP_MULTIPLY] = MAC_NUMPAD_ASTERISK_KEY;
 428     KeyTable[SDLK_KP_PLUS] = MAC_NUMPAD_PLUS_KEY;
 429     KeyTable[SDLK_KP_ENTER] = MAC_NUMPAD_ENTER_KEY;
 430     KeyTable[SDLK_KP_MINUS] = MAC_NUMPAD_MINUS_KEY;
 431     KeyTable[SDLK_KP_PERIOD] = MAC_NUMPAD_PERIOD_KEY;
 432     KeyTable[SDLK_KP_DIVIDE] = MAC_NUMPAD_SLASH_KEY;
 433     KeyTable[SDLK_F1] = MAC_F1_KEY;
 434     KeyTable[SDLK_F2] = MAC_F2_KEY;
 435     KeyTable[SDLK_F3] = MAC_F3_KEY;
 436     KeyTable[SDLK_F4] = MAC_F4_KEY;
 437     KeyTable[SDLK_F5] = MAC_F5_KEY;
 438     KeyTable[SDLK_F6] = MAC_F6_KEY;
 439     KeyTable[SDLK_F7] = MAC_F7_KEY;
 440     KeyTable[SDLK_F8] = MAC_F8_KEY;
 441     KeyTable[SDLK_F9] = MAC_F9_KEY;
 442     KeyTable[SDLK_F10] = MAC_F10_KEY;
 443     KeyTable[SDLK_F11] = MAC_F11_KEY;
 444     KeyTable[SDLK_F12] = MAC_F12_KEY;
 445     KeyTable[SDLK_SEMICOLON] = MAC_SEMICOLON_KEY;
 446     KeyTable[SDLK_PLUS] = MAC_PLUS_KEY;
 447     KeyTable[SDLK_COMMA] = MAC_COMMA_KEY;
 448     KeyTable[SDLK_MINUS] = MAC_MINUS_KEY;
 449     KeyTable[SDLK_PERIOD] = MAC_PERIOD_KEY;
 450     KeyTable[SDLK_SLASH] = MAC_SLASH_KEY;
 451     KeyTable[SDLK_BACKQUOTE] = MAC_TILDE_KEY;
 452     KeyTable[SDLK_LEFTBRACKET] = MAC_LEFTBRACKET_KEY;
 453     KeyTable[SDLK_BACKSLASH] = MAC_BACKSLASH_KEY;
 454     KeyTable[SDLK_RIGHTBRACKET] = MAC_RIGHTBRACKET_KEY;
 455     KeyTable[SDLK_QUOTE] = MAC_APOSTROPHE_KEY;
 456 }
 457
 458 static inline int clamp_sdl_mouse_button(Uint8 button)
 459 {
 460     if (button == 2)   // right mouse button is button 3 in SDL.
 461         button = 3;
 462     else if (button == 3)
 463         button = 2;
 464
 465     if ((button >= 1) && (button <= 3))
 466         return button - 1;
 467     return -1;
 468 }
 469
 470 static void sdlEventProc(const SDL_Event &e, Game &game)
 471 {
 472     int val;
 473     bool skipkey = false;
 474     SDLMod mod;
 475
 476     switch(e.type)
 477         {
 478         case SDL_MOUSEMOTION:
 479             game.deltah += e.motion.xrel;
 480             game.deltav += e.motion.yrel;
 481             return;
 482
 483                 case SDL_MOUSEBUTTONDOWN:
 484                         {
 485                 val = clamp_sdl_mouse_button(e.button.button);
 486                 if ((val >= 0) && (val <= 2))
 487                 {
 488                     if (val == 0)
 489                                     g_button = true;
 490                                 buttons[val] = true;
 491                 }
 492                         }
 493                         return;
 494
 495                 case SDL_MOUSEBUTTONUP:
 496                         {
 497                 val = clamp_sdl_mouse_button(e.button.button);
 498                 if ((val >= 0) && (val <= 2))
 499                 {
 500                     if (val == 0)
 501                                     g_button = false;
 502                                 buttons[val] = false;
 503                 }
 504                         }
 505             return;
 506
 507         case SDL_KEYDOWN:
 508             if (e.key.keysym.sym == SDLK_g)
 509             {
 510                 if (e.key.keysym.mod & KMOD_CTRL)
 511                 {
 512                     skipkey = true;
 513                     SDL_GrabMode mode = SDL_GRAB_ON;
 514                     if ((SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) == 0)
 515                     {
 516                         mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
 517                         mode = (mode==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON;
 518                     }
 519                     SDL_WM_GrabInput(mode);
 520                 }
 521             }
 522
 523             else if (e.key.keysym.sym == SDLK_RETURN)
 524             {
 525                 if (e.key.keysym.mod & KMOD_ALT)
 526                 {
 527                     skipkey = true;
 528                     SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
 529                 }
 530             }
 531
 532             if ((!skipkey) && (e.key.keysym.sym < SDLK_LAST))
 533             {
 534                 if (KeyTable[e.key.keysym.sym] != 0xffff)
 535                     SetKey(KeyTable[e.key.keysym.sym]);
 536             }
 537
 538             mod = SDL_GetModState();
 539             if (mod & KMOD_CTRL)
 540                 SetKey(MAC_CONTROL_KEY);
 541             if (mod & KMOD_ALT)
 542                 SetKey(MAC_OPTION_KEY);
 543             if (mod & KMOD_META)
 544                 SetKey(MAC_COMMAND_KEY);
 545             if (mod & KMOD_SHIFT)
 546                 SetKey(MAC_SHIFT_KEY);
 547             if (mod & KMOD_CAPS)
 548                 SetKey(MAC_CAPS_LOCK_KEY);
 549
 550             return;
 551
 552         case SDL_KEYUP:
 553             if (e.key.keysym.sym < SDLK_LAST)
 554             {
 555                 if (KeyTable[e.key.keysym.sym] != 0xffff)
 556                     ClearKey(KeyTable[e.key.keysym.sym]);
 557             }
 558
 559             mod = SDL_GetModState();
 560             if ((mod & KMOD_CTRL) == 0)
 561                 ClearKey(MAC_CONTROL_KEY);
 562             if ((mod & KMOD_ALT) == 0)
 563                 ClearKey(MAC_OPTION_KEY);
 564             if ((mod & KMOD_META) == 0)
 565                 ClearKey(MAC_COMMAND_KEY);
 566             if ((mod & KMOD_SHIFT) == 0)
 567                 ClearKey(MAC_SHIFT_KEY);
 568             if ((mod & KMOD_CAPS) == 0)
 569                 ClearKey(MAC_CAPS_LOCK_KEY);
 570             return;
 571     }
 572 }
 573 #endif
 574
 575 // --------------------------------------------------------------------------
 576
 577 static Point gMidPoint;
 578
 579 Boolean SetUp (Game & game)
 580 {
 581         char string[10];
 582
 583         LOGFUNC;
 584
 585         randSeed = UpTime().lo;
 586
 587         osx = 0;
 588         ifstream ipstream(ConvertFileName(":Data:config.txt"), std::ios::in /*| std::ios::nocreate*/);
 589         detail=1;
 590         ismotionblur=0;
 591         usermousesensitivity=1;
 592         kContextWidth=640;
 593         kContextHeight=480;
 594         kBitsPerPixel = 32;
 595         floatjump=0;
 596         cellophane=0;
 597         texdetail=4;
 598         autoslomo=1;
 599         decals=1;
 600         invertmouse=0;
 601         bloodtoggle=0;
 602         terraindetail=2;
 603         foliage=1;
 604         musictoggle=1;
 605         trilinear=1;
 606         gamespeed=1;
 607         difficulty=1;
 608         damageeffects=0;
 609         texttoggle=1;
 610         alwaysblur=0;
 611         showpoints=0;
 612         immediate=0;
 613         velocityblur=0;
 614
 615         slomospeed=0.25;
 616         slomofreq=8012;
 617
 618         volume = 0.8f;
 619
 620         game.crouchkey=MAC_SHIFT_KEY;
 621         game.jumpkey=MAC_SPACE_KEY;
 622         game.leftkey=MAC_A_KEY;
 623         game.forwardkey=MAC_W_KEY;
 624         game.backkey=MAC_S_KEY;
 625         game.rightkey=MAC_D_KEY;
 626         game.drawkey=MAC_E_KEY;
 627         game.throwkey=MAC_Q_KEY;
 628         game.attackkey=MAC_MOUSEBUTTON1;
 629         game.chatkey=MAC_T_KEY;
 630         numplayers=1;
 631         ambientsound=1;
 632         vblsync=0;
 633         debugmode=0;
 634
 635         selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
 636
 637         if(!ipstream) {
 638                 ofstream opstream(ConvertFileName(":Data:config.txt", "w"));
 639                 opstream << "Screenwidth:\n";
 640                 opstream << kContextWidth;
 641                 opstream << "\nScreenheight:\n";
 642                 opstream << kContextHeight;
 643                 opstream << "\nMouse sensitivity:\n";
 644                 opstream << usermousesensitivity;
 645                 opstream << "\nBlur(0,1):\n";
 646                 opstream << ismotionblur;
 647                 opstream << "\nOverall Detail(0,1,2) higher=better:\n";
 648                 opstream << detail;
 649                 opstream << "\nFloating jump:\n";
 650                 opstream << floatjump;
 651                 opstream << "\nMouse jump:\n";
 652                 opstream << mousejump;
 653                 opstream << "\nAmbient sound:\n";
 654                 opstream << ambientsound;
 655                 opstream << "\nBlood (0,1,2):\n";
 656                 opstream << bloodtoggle;
 657                 opstream << "\nAuto slomo:\n";
 658                 opstream << autoslomo;
 659                 opstream << "\nFoliage:\n";
 660                 opstream << foliage;
 661                 opstream << "\nMusic:\n";
 662                 opstream << musictoggle;
 663                 opstream << "\nTrilinear:\n";
 664                 opstream << trilinear;
 665                 opstream << "\nDecals(shadows,blood puddles,etc):\n";
 666                 opstream << decals;
 667                 opstream << "\nInvert mouse:\n";
 668                 opstream << invertmouse;
 669                 opstream << "\nGamespeed:\n";
 670                 opstream << gamespeed;
 671                 opstream << "\nDifficulty(0,1,2) higher=harder:\n";
 672                 opstream << difficulty;
 673                 opstream << "\nDamage effects(blackout, doublevision):\n";
 674                 opstream << damageeffects;
 675                 opstream << "\nText:\n";
 676                 opstream << texttoggle;
 677                 opstream << "\nDebug:\n";
 678                 opstream << debugmode;
 679                 opstream << "\nVBL Sync:\n";
 680                 opstream << vblsync;
 681                 opstream << "\nShow Points:\n";
 682                 opstream << showpoints;
 683                 opstream << "\nAlways Blur:\n";
 684                 opstream << alwaysblur;
 685                 opstream << "\nImmediate mode (turn on on G5):\n";
 686                 opstream << immediate;
 687                 opstream << "\nVelocity blur:\n";
 688                 opstream << velocityblur;
 689                 opstream << "\nVolume:\n";
 690                 opstream << volume;
 691                 opstream << "\nForward key:\n";
 692                 opstream << KeyToChar(game.forwardkey);
 693                 opstream << "\nBack key:\n";
 694                 opstream << KeyToChar(game.backkey);
 695                 opstream << "\nLeft key:\n";
 696                 opstream << KeyToChar(game.leftkey);
 697                 opstream << "\nRight key:\n";
 698                 opstream << KeyToChar(game.rightkey);
 699                 opstream << "\nJump key:\n";
 700                 opstream << KeyToChar(game.jumpkey);
 701                 opstream << "\nCrouch key:\n";
 702                 opstream << KeyToChar(game.crouchkey);
 703                 opstream << "\nDraw key:\n";
 704                 opstream << KeyToChar(game.drawkey);
 705                 opstream << "\nThrow key:\n";
 706                 opstream << KeyToChar(game.throwkey);
 707                 opstream << "\nAttack key:\n";
 708                 opstream << KeyToChar(game.attackkey);
 709                 opstream << "\nChat key:\n";
 710                 opstream << KeyToChar(game.chatkey);
 711                 opstream.close();
 712         }
 713         if(ipstream){
 714                 int i;
 715                 ipstream.ignore(256,'\n');
 716                 ipstream >> kContextWidth;
 717                 ipstream.ignore(256,'\n');
 718                 ipstream.ignore(256,'\n');
 719                 ipstream >> kContextHeight;
 720                 ipstream.ignore(256,'\n');
 721                 ipstream.ignore(256,'\n');
 722                 ipstream >> usermousesensitivity;
 723                 ipstream.ignore(256,'\n');
 724                 ipstream.ignore(256,'\n');
 725                 ipstream >> i;
 726                 ismotionblur = (i != 0);
 727                 ipstream.ignore(256,'\n');
 728                 ipstream.ignore(256,'\n');
 729                 ipstream >> detail;
 730                 if(detail!=0)kBitsPerPixel=32;
 731                 else kBitsPerPixel=16;
 732                 ipstream.ignore(256,'\n');
 733                 ipstream.ignore(256,'\n');
 734                 ipstream >> i;
 735                 floatjump = (i != 0);
 736                 ipstream.ignore(256,'\n');
 737                 ipstream.ignore(256,'\n');
 738                 ipstream >> i;
 739                 mousejump = (i != 0);
 740                 ipstream.ignore(256,'\n');
 741                 ipstream.ignore(256,'\n');
 742                 ipstream >> i;
 743                 ambientsound = (i != 0);
 744                 ipstream.ignore(256,'\n');
 745                 ipstream.ignore(256,'\n');
 746                 ipstream >> bloodtoggle;
 747                 ipstream.ignore(256,'\n');
 748                 ipstream.ignore(256,'\n');
 749                 ipstream >> i;
 750                 autoslomo = (i != 0);
 751                 ipstream.ignore(256,'\n');
 752                 ipstream.ignore(256,'\n');
 753                 ipstream >> i;
 754                 foliage = (i != 0);
 755                 ipstream.ignore(256,'\n');
 756                 ipstream.ignore(256,'\n');
 757                 ipstream >> i;
 758                 musictoggle = (i != 0);
 759                 ipstream.ignore(256,'\n');
 760                 ipstream.ignore(256,'\n');
 761                 ipstream >> i;
 762                 trilinear = (i != 0);
 763                 ipstream.ignore(256,'\n');
 764                 ipstream.ignore(256,'\n');
 765                 ipstream >> i;
 766                 decals = (i != 0);
 767                 ipstream.ignore(256,'\n');
 768                 ipstream.ignore(256,'\n');
 769                 ipstream >> i;
 770                 invertmouse = (i != 0);
 771                 ipstream.ignore(256,'\n');
 772                 ipstream.ignore(256,'\n');
 773                 ipstream >> gamespeed;
 774                 oldgamespeed=gamespeed;
 775                 if(oldgamespeed==0){
 776                         gamespeed=1;
 777                         oldgamespeed=1;
 778                 }
 779                 ipstream.ignore(256,'\n');
 780                 ipstream.ignore(256,'\n');
 781                 ipstream >> difficulty;
 782                 ipstream.ignore(256,'\n');
 783                 ipstream.ignore(256,'\n');
 784                 ipstream >> i;
 785                 damageeffects = (i != 0);
 786                 ipstream.ignore(256,'\n');
 787                 ipstream.ignore(256,'\n');
 788                 ipstream >> i;
 789                 texttoggle = (i != 0);
 790                 ipstream.ignore(256,'\n');
 791                 ipstream.ignore(256,'\n');
 792                 ipstream >> i;
 793                 debugmode = (i != 0);
 794                 ipstream.ignore(256,'\n');
 795                 ipstream.ignore(256,'\n');
 796                 ipstream >> i;
 797                 vblsync = (i != 0);
 798                 ipstream.ignore(256,'\n');
 799                 ipstream.ignore(256,'\n');
 800                 ipstream >> i;
 801                 showpoints = (i != 0);
 802                 ipstream.ignore(256,'\n');
 803                 ipstream.ignore(256,'\n');
 804                 ipstream >> i;
 805                 alwaysblur = (i != 0);
 806                 ipstream.ignore(256,'\n');
 807                 ipstream.ignore(256,'\n');
 808                 ipstream >> i;
 809                 immediate = (i != 0);
 810                 ipstream.ignore(256,'\n');
 811                 ipstream.ignore(256,'\n');
 812                 ipstream >> i;
 813                 velocityblur = (i != 0);
 814                 ipstream.ignore(256,'\n');
 815                 ipstream.ignore(256,'\n');
 816                 ipstream >> volume;
 817                 ipstream.ignore(256,'\n');
 818                 ipstream.ignore(256,'\n');
 819                 ipstream >> string;
 820                 game.forwardkey=CharToKey(string);
 821                 ipstream.ignore(256,'\n');
 822                 ipstream.ignore(256,'\n');
 823                 ipstream >> string;
 824                 game.backkey=CharToKey(string);
 825                 ipstream.ignore(256,'\n');
 826                 ipstream.ignore(256,'\n');
 827                 ipstream >> string;
 828                 game.leftkey=CharToKey(string);
 829                 ipstream.ignore(256,'\n');
 830                 ipstream.ignore(256,'\n');
 831                 ipstream >> string;
 832                 game.rightkey=CharToKey(string);
 833                 ipstream.ignore(256,'\n');
 834                 ipstream.ignore(256,'\n');
 835                 ipstream >> string;
 836                 game.jumpkey=CharToKey(string);
 837                 ipstream.ignore(256,'\n');
 838                 ipstream.ignore(256,'\n');
 839                 ipstream >> string;
 840                 game.crouchkey=CharToKey(string);
 841                 ipstream.ignore(256,'\n');
 842                 ipstream.ignore(256,'\n');
 843                 ipstream >> string;
 844                 game.drawkey=CharToKey(string);
 845                 ipstream.ignore(256,'\n');
 846                 ipstream.ignore(256,'\n');
 847                 ipstream >> string;
 848                 game.throwkey=CharToKey(string);
 849                 ipstream.ignore(256,'\n');
 850                 ipstream.ignore(256,'\n');
 851                 ipstream >> string;
 852                 game.attackkey=CharToKey(string);
 853                 ipstream.ignore(256,'\n');
 854                 ipstream.ignore(256,'\n');
 855                 ipstream >> string;
 856                 game.chatkey=CharToKey(string);
 857                 ipstream.close();
 858
 859                 if(detail>2)detail=2;
 860                 if(detail<0)detail=0;
 861                 if(screenwidth<0)screenwidth=640;
 862                 if(screenheight<0)screenheight=480;
 863 #if !USE_SDL  // we'll take anything that works.
 864                 if(screenwidth>3000)screenwidth=640;
 865                 if(screenheight>3000)screenheight=480;
 866 #endif
 867         }
 868         if(kBitsPerPixel!=32&&kBitsPerPixel!=16){
 869                 kBitsPerPixel=16;
 870         }
 871
 872
 873         selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
 874
 875         SetupDSpFullScreen();
 876
 877 #if USE_SDL
 878     if (!SDL_WasInit(SDL_INIT_VIDEO))
 879     {
 880         if (SDL_Init(SDL_INIT_VIDEO) == -1)
 881         {
 882             fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
 883             return false;
 884         }
 885
 886         if (SDL_GL_LoadLibrary(NULL) == -1)
 887         {
 888             fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
 889             SDL_Quit();
 890             return false;
 891         }
 892
 893         SDL_Rect **res = SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_OPENGL);
 894         if ( (res == NULL) || (res == ((SDL_Rect **)-1)) || (res[0] == NULL) || (res[0]->w < 640) || (res[0]->h < 480) )
 895             res = hardcoded_resolutions;
 896
 897         // reverse list (it was sorted biggest to smallest by SDL)...
 898         int count;
 899         for (count = 0; res[count]; count++)
 900         {
 901             if ((res[count]->w < 640) || (res[count]->h < 480))
 902                 break;   // sane lower limit.
 903         }
 904
 905         static SDL_Rect *resolutions_block = NULL;
 906         resolutions_block = (SDL_Rect*) realloc(resolutions_block, sizeof (SDL_Rect) * count);
 907         resolutions = (SDL_Rect**) realloc(resolutions, sizeof (SDL_Rect *) * (count + 1));
 908         if ((resolutions_block == NULL) || (resolutions == NULL))
 909         {
 910             SDL_Quit();
 911             fprintf(stderr, "Out of memory!\n");
 912             return false;
 913         }
 914
 915         resolutions[count--] = NULL;
 916         for (int i = 0; count >= 0; i++, count--)
 917         {
 918             memcpy(&resolutions_block[count], res[i], sizeof (SDL_Rect));
 919             resolutions[count] = &resolutions_block[count];
 920         }
 921
 922         if (cmdline("showresolutions"))
 923         {
 924             printf("Resolutions we think are okay:\n");
 925             for (int i = 0; resolutions[i]; i++)
 926                 printf("  %d x %d\n", (int) resolutions[i]->w, (int) resolutions[i]->h);
 927         }
 928     }
 929
 930     Uint32 sdlflags = SDL_OPENGL;
 931     if (!cmdline("windowed"))
 932         sdlflags |= SDL_FULLSCREEN;
 933
 934     SDL_WM_SetCaption("Lugaru", "Lugaru");
 935
 936     SDL_ShowCursor(0);
 937
 938     SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
 939
 940     if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
 941     {
 942         fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
 943         fprintf(stderr, "forcing 640x480...\n");
 944         kContextWidth = 640;
 945         kContextHeight = 480;
 946         if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
 947         {
 948             fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
 949             fprintf(stderr, "forcing 640x480 windowed mode...\n");
 950             sdlflags &= ~SDL_FULLSCREEN;
 951             if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
 952             {
 953                 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
 954                 return false;
 955             }
 956         }
 957     }
 958
 959     int dblbuf = 0;
 960     if ((SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &dblbuf) == -1) || (!dblbuf))
 961     {
 962         fprintf(stderr, "Failed to get double buffered GL context!\n");
 963         SDL_Quit();
 964         return false;
 965     }
 966
 967     if (!lookup_all_glsyms())
 968     {
 969         SDL_Quit();
 970         return false;
 971     }
 972
 973     if (!cmdline("nomousegrab"))
 974         SDL_WM_GrabInput(SDL_GRAB_ON);
 975 #endif
 976
 977         glClear( GL_COLOR_BUFFER_BIT );
 978         swap_gl_buffers();
 979
 980         // clear all states
 981         glDisable( GL_ALPHA_TEST);
 982         glDisable( GL_BLEND);
 983         glDisable( GL_DEPTH_TEST);
 984         //      glDisable( GL_DITHER);
 985         glDisable( GL_FOG);
 986         glDisable( GL_LIGHTING);
 987         glDisable( GL_LOGIC_OP);
 988         glDisable( GL_STENCIL_TEST);
 989         glDisable( GL_TEXTURE_1D);
 990         glDisable( GL_TEXTURE_2D);
 991         glPixelTransferi( GL_MAP_COLOR, GL_FALSE);
 992         glPixelTransferi( GL_RED_SCALE, 1);
 993         glPixelTransferi( GL_RED_BIAS, 0);
 994         glPixelTransferi( GL_GREEN_SCALE, 1);
 995         glPixelTransferi( GL_GREEN_BIAS, 0);
 996         glPixelTransferi( GL_BLUE_SCALE, 1);
 997         glPixelTransferi( GL_BLUE_BIAS, 0);
 998         glPixelTransferi( GL_ALPHA_SCALE, 1);
 999         glPixelTransferi( GL_ALPHA_BIAS, 0);
1000
1001         // set initial rendering states
1002         glShadeModel( GL_SMOOTH);
1003         glClearDepth( 1.0f);
1004         glDepthFunc( GL_LEQUAL);
1005         glDepthMask( GL_TRUE);
1006         //      glDepthRange( FRONT_CLIP, BACK_CLIP);
1007         glEnable( GL_DEPTH_TEST);
1008         glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
1009         glCullFace( GL_FRONT);
1010         glEnable( GL_CULL_FACE);
1011         glEnable( GL_LIGHTING);
1012 //      glEnable( GL_LIGHT_MODEL_AMBIENT);
1013         glEnable( GL_DITHER);
1014         glEnable( GL_COLOR_MATERIAL);
1015         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1016         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1017         glAlphaFunc( GL_GREATER, 0.5f);
1018
1019 #if USE_DEVIL
1020         if (ilGetInteger(IL_VERSION_NUM) < IL_VERSION ||
1021                 iluGetInteger(ILU_VERSION_NUM) < ILU_VERSION ||
1022                 ilutGetInteger(ILUT_VERSION_NUM) < ILUT_VERSION)
1023         {
1024                 ReportError("DevIL version is different...exiting!\n");
1025                 return false;
1026         }
1027
1028         ilInit();
1029         iluInit();
1030         ilutInit();
1031
1032         ilutRenderer(ILUT_OPENGL);
1033
1034         ilEnable(IL_ORIGIN_SET);
1035         ilOriginFunc(IL_ORIGIN_LOWER_LEFT);
1036 #endif
1037
1038         GLint width = kContextWidth;
1039         GLint height = kContextHeight;
1040         gMidPoint.h = width / 2;
1041         gMidPoint.v = height / 2;
1042         screenwidth=width;
1043         screenheight=height;
1044
1045         game.newdetail=detail;
1046         game.newscreenwidth=screenwidth;
1047         game.newscreenheight=screenheight;
1048
1049         game.InitGame();
1050
1051         return true;
1052 }
1053
1054
1055 static void DoMouse(Game & game)
1056 {
1057 #if USE_SDL
1058         if(mainmenu||(abs(game.deltah)<10*realmultiplier*1000&&abs(game.deltav)<10*realmultiplier*1000))
1059         {
1060                 game.deltah *= usermousesensitivity;
1061                 game.deltav *= usermousesensitivity;
1062                 game.mousecoordh += game.deltah;
1063                 game.mousecoordv += game.deltav;
1064         if (game.mousecoordh < 0)
1065             game.mousecoordh = 0;
1066         else if (game.mousecoordh >= kContextWidth)
1067             game.mousecoordh = kContextWidth - 1;
1068         if (game.mousecoordv < 0)
1069             game.mousecoordv = 0;
1070         else if (game.mousecoordv >= kContextHeight)
1071             game.mousecoordv = kContextHeight - 1;
1072         }
1073 #endif
1074 }
1075
1076
1077
1078 // --------------------------------------------------------------------------
1079
1080 void DoKey (SInt8 theKey, SInt8 theCode)
1081 {
1082         // do nothing
1083 }
1084
1085 // --------------------------------------------------------------------------
1086
1087
1088
1089 void DoFrameRate (int update)
1090 {
1091         static long frames = 0;
1092
1093         static AbsoluteTime time = {0,0};
1094         static AbsoluteTime frametime = {0,0};
1095         AbsoluteTime currTime = UpTime ();
1096         double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
1097
1098         if (0 > deltaTime)      // if negative microseconds
1099                 deltaTime /= -1000000.0;
1100         else                            // else milliseconds
1101                 deltaTime /= 1000.0;
1102
1103         multiplier=deltaTime;
1104         if(multiplier<.001)multiplier=.001;
1105         if(multiplier>10)multiplier=10;
1106         if(update)frametime = currTime; // reset for next time interval
1107
1108         deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
1109
1110         if (0 > deltaTime)      // if negative microseconds
1111                 deltaTime /= -1000000.0;
1112         else                            // else milliseconds
1113                 deltaTime /= 1000.0;
1114         frames++;
1115         if (0.001 <= deltaTime) // has update interval passed
1116         {
1117                 if(update){
1118                         time = currTime;        // reset for next time interval
1119                         frames = 0;
1120                 }
1121         }
1122 }
1123
1124
1125 void DoUpdate (Game & game)
1126 {
1127         static float sps=200;
1128         static int count;
1129         static float oldmult;
1130
1131         DoFrameRate(1);
1132         if(multiplier>.6)multiplier=.6;
1133
1134         game.fps=1/multiplier;
1135
1136         count = multiplier*sps;
1137         if(count<2)count=2;
1138         //if(count>10)count=10;
1139
1140         realmultiplier=multiplier;
1141         multiplier*=gamespeed;
1142         if(difficulty==1)multiplier*=.9;
1143         if(difficulty==0)multiplier*=.8;
1144
1145         if(game.loading==4)multiplier*=.00001;
1146         //multiplier*.9;
1147         if(slomo&&!mainmenu)multiplier*=slomospeed;
1148         //if(freeze)multiplier*=0.00001;
1149         oldmult=multiplier;
1150         multiplier/=(float)count;
1151
1152         DoMouse(game);
1153
1154         game.TickOnce();
1155
1156         for(int i=0;i<count;i++)
1157         {
1158                 game.Tick();
1159         }
1160         multiplier=oldmult;
1161
1162         game.TickOnceAfter();
1163 /* - Debug code to test how many channels were active on average per frame
1164         static long frames = 0;
1165
1166         static AbsoluteTime start = {0,0};
1167         AbsoluteTime currTime = UpTime ();
1168         static int num_channels = 0;
1169
1170         num_channels += OPENAL_GetChannelsPlaying();
1171         double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
1172
1173         if (0 > deltaTime)      // if negative microseconds
1174                 deltaTime /= -1000000.0;
1175         else                            // else milliseconds
1176                 deltaTime /= 1000.0;
1177
1178         ++frames;
1179
1180         if (deltaTime >= 1)
1181         {
1182                 start = currTime;
1183                 float avg_channels = (float)num_channels / (float)frames;
1184
1185                 ofstream opstream("log.txt",ios::app);
1186                 opstream << "Average frame count: ";
1187                 opstream << frames;
1188                 opstream << " frames - ";
1189                 opstream << avg_channels;
1190                 opstream << " per frame.\n";
1191                 opstream.close();
1192
1193                 frames = 0;
1194                 num_channels = 0;
1195         }
1196 */
1197         DrawGL (game);
1198 }
1199
1200 // --------------------------------------------------------------------------
1201
1202
1203 void CleanUp (void)
1204 {
1205         LOGFUNC;
1206
1207 //      game.Dispose();
1208
1209 #if USE_DEVIL
1210         ilShutDown();
1211 #endif
1212
1213 #if USE_SDL
1214     SDL_Quit();
1215     #define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
1216     #include "glstubs.h"
1217     #undef GL_FUNC
1218     // cheat here...static destructors are calling glDeleteTexture() after
1219     //  the context is destroyed and libGL unloaded by SDL_Quit().
1220     pglDeleteTextures = glDeleteTextures_doNothing;
1221 #endif
1222 }
1223
1224 // --------------------------------------------------------------------------
1225
1226 static bool g_focused = true;
1227
1228
1229 static bool IsFocused()
1230 {
1231     STUBBED("write me");
1232         return true;
1233 }
1234
1235
1236 static void launch_web_browser(const char *url)
1237 {
1238 #ifdef WIN32
1239     ShellExecute(NULL, "open", url, NULL, NULL, SW_SHOWNORMAL);
1240
1241 #elif (defined(__APPLE__) && defined(__MACH__))
1242     const char *fmt = "open '%s'";
1243     const size_t len = strlen(fmt) + strlen(url) + 16;
1244     char *buf = new char[len];
1245     snprintf(buf, len, fmt, url);
1246     system(buf);
1247     delete[] buf;
1248
1249 #elif PLATFORM_LINUX
1250     const char *fmt = "PATH=$PATH:. xdg-open '%s'";
1251     const size_t len = strlen(fmt) + strlen(url) + 16;
1252     char *buf = new char[len];
1253     snprintf(buf, len, fmt, url);
1254     system(buf);
1255     delete[] buf;
1256 #endif
1257 }
1258
1259
1260 #ifndef WIN32
1261 // (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
1262 static char *findBinaryInPath(const char *bin, char *envr)
1263 {
1264     size_t alloc_size = 0;
1265     char *exe = NULL;
1266     char *start = envr;
1267     char *ptr;
1268
1269     do
1270     {
1271         size_t size;
1272         ptr = strchr(start, ':');  /* find next $PATH separator. */
1273         if (ptr)
1274             *ptr = '\0';
1275
1276         size = strlen(start) + strlen(bin) + 2;
1277         if (size > alloc_size)
1278         {
1279             char *x = (char *) realloc(exe, size);
1280             if (x == NULL)
1281             {
1282                 if (exe != NULL)
1283                     free(exe);
1284                 return(NULL);
1285             } /* if */
1286
1287             alloc_size = size;
1288             exe = x;
1289         } /* if */
1290
1291         /* build full binary path... */
1292         strcpy(exe, start);
1293         if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
1294             strcat(exe, "/");
1295         strcat(exe, bin);
1296
1297         if (access(exe, X_OK) == 0)  /* Exists as executable? We're done. */
1298         {
1299             strcpy(exe, start);  /* i'm lazy. piss off. */
1300             return(exe);
1301         } /* if */
1302
1303         start = ptr + 1;  /* start points to beginning of next element. */
1304     } while (ptr != NULL);
1305
1306     if (exe != NULL)
1307         free(exe);
1308
1309     return(NULL);  /* doesn't exist in path. */
1310 } /* findBinaryInPath */
1311
1312
1313 char *calcBaseDir(const char *argv0)
1314 {
1315     /* If there isn't a path on argv0, then look through the $PATH for it. */
1316     char *retval;
1317     char *envr;
1318
1319     char *ptr = strrchr((char *)argv0, '/');
1320     if (strchr(argv0, '/'))
1321     {
1322         retval = strdup(argv0);
1323         if (retval)
1324             *(strrchr(retval, '/')) = '\0';
1325         return(retval);
1326     }
1327
1328     envr = getenv("PATH");
1329     if (!envr) return NULL;
1330     envr = strdup(envr);
1331     if (!envr) return NULL;
1332     retval = findBinaryInPath(argv0, envr);
1333     free(envr);
1334     return(retval);
1335 }
1336
1337 static inline void chdirToAppPath(const char *argv0)
1338 {
1339     char *dir = calcBaseDir(argv0);
1340     if (dir)
1341     {
1342         #if (defined(__APPLE__) && defined(__MACH__))
1343         // Chop off /Contents/MacOS if it's at the end of the string, so we
1344         //  land in the base of the app bundle.
1345         const size_t len = strlen(dir);
1346         const char *bundledirs = "/Contents/MacOS";
1347         const size_t bundledirslen = strlen(bundledirs);
1348         if (len > bundledirslen)
1349         {
1350             char *ptr = (dir + len) - bundledirslen;
1351             if (strcasecmp(ptr, bundledirs) == 0)
1352                 *ptr = '\0';
1353         }
1354         #endif
1355         chdir(dir);
1356         free(dir);
1357     }
1358 }
1359 #endif
1360
1361
1362 int main(int argc, char **argv)
1363 {
1364 #ifndef __MINGW32__
1365     _argc = argc;
1366     _argv = argv;
1367 #endif
1368
1369     // !!! FIXME: we could use a Win32 API for this.  --ryan.
1370 #ifndef WIN32
1371     chdirToAppPath(argv[0]);
1372 #endif
1373
1374         LOGFUNC;
1375
1376         memset( &g_theKeys, 0, sizeof( KeyMap));
1377
1378     initSDLKeyTable();
1379
1380         try
1381         {
1382                 bool regnow = false;
1383                 {
1384                         Game game;
1385                         pgame = &game;
1386
1387                         //ofstream os("error.txt");
1388                         //os.close();
1389                         //ofstream os("log.txt");
1390                         //os.close();
1391
1392                         if (!SetUp (game))
1393                 return 42;
1394
1395                         while (!gDone&&!game.quit&&(!game.tryquit||!game.registered))
1396                         {
1397                                 if (IsFocused())
1398                                 {
1399                                         gameFocused = true;
1400
1401                                         // check windows messages
1402                                         #if USE_SDL
1403                                         game.deltah = 0;
1404                                         game.deltav = 0;
1405                                         SDL_Event e;
1406                                         // message pump
1407                                         while( SDL_PollEvent( &e ) )
1408                                         {
1409                                                 if( e.type == SDL_QUIT )
1410                                                 {
1411                                                         gDone=true;
1412                                                         break;
1413                                                 }
1414                                                 sdlEventProc(e, game);
1415                                         }
1416                                         #endif
1417
1418                                         // game
1419                                         DoUpdate(game);
1420                                 }
1421                                 else
1422                                 {
1423                                         if (gameFocused)
1424                                         {
1425                                                 // allow game chance to pause
1426                                                 gameFocused = false;
1427                                                 DoUpdate(game);
1428                                         }
1429
1430                                         // game is not in focus, give CPU time to other apps by waiting for messages instead of 'peeking'
1431                     STUBBED("give up CPU but sniff the event queue");
1432                                 }
1433                         }
1434
1435                         regnow = game.registernow;
1436                 }
1437                 pgame = 0;
1438
1439                 CleanUp ();
1440 //              if(game.registernow){
1441                 if(regnow)
1442                 {
1443             #if (defined(__APPLE__) && defined(__MACH__))
1444             launch_web_browser("http://www.wolfire.com/purchase/lugaru/mac");
1445             #elif PLATFORM_LINUX
1446             launch_web_browser("http://www.wolfire.com/purchase/lugaru/linux");
1447             #else
1448             launch_web_browser("http://www.wolfire.com/purchase/lugaru/pc");
1449             #endif
1450                 }
1451
1452         #if PLATFORM_LINUX  // (this may not be necessary any more.)
1453         _exit(0);  // !!! FIXME: hack...crashes on exit!
1454         #endif
1455                 return 0;
1456         }
1457         catch (const std::exception& error)
1458         {
1459                 CleanUp();
1460
1461                 std::string e = "Caught exception: ";
1462                 e += error.what();
1463
1464                 LOG(e);
1465
1466                 MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
1467         }
1468
1469         CleanUp();
1470
1471         return -1;
1472 }
1473
1474
1475
1476         // --------------------------------------------------------------------------
1477
1478 #if !USE_SDL
1479         int resolutionID(int width, int height)
1480         {
1481                 int whichres;
1482                 whichres=-1;
1483                 if(width==640 && height==480)whichres=0;
1484                 if(width==800 && height==600)whichres=1;
1485                 if(width==1024 && height==768)whichres=2;
1486                 if(width==1280 && height==1024)whichres=3;
1487                 if(width==1600 && height==1200)whichres=4;
1488                 if(width==840 && height==524)whichres=5;
1489                 if(width==1024 && height==640)whichres=6;
1490                 if(width==1344 && height==840)whichres=7;
1491                 if(width==1920 && height==1200)whichres=8;
1492
1493                 return whichres;
1494         }
1495
1496         int closestResolution(int width, int height)
1497         {
1498                 int whichres;
1499                 whichres=-1;
1500                 if(width>=640 && height>=480)whichres=0;
1501                 if(width>=800 && height>=600)whichres=1;
1502                 if(width>=1024 && height>=768)whichres=2;
1503                 if(width>=1280 && height>=1024)whichres=3;
1504                 if(width>=1600 && height>=1200)whichres=4;
1505                 if(width==840 && height==524)whichres=5;
1506                 if(width==1024 && height==640)whichres=6;
1507                 if(width==1344 && height==840)whichres=7;
1508                 if(width>=1920 && height>=1200)whichres=8;
1509
1510                 return whichres;
1511         }
1512 #endif
1513
1514         bool selectDetail(int & width, int & height, int & bpp, int & detail)
1515         {
1516                 bool res = true;
1517
1518                 // currently with SDL, we just use whatever is requested
1519                 //  and don't care.  --ryan.
1520                 #if !USE_SDL
1521                 int whichres = closestResolution(width, height);
1522
1523                 while (true)
1524                 {
1525                         if(whichres<=0 || whichres>8){
1526                                 whichres = 0;
1527                                 width=640;
1528                                 height=480;
1529                         }
1530                         if(whichres==1){
1531                                 width=800;
1532                                 height=600;
1533                         }
1534                         if(whichres==2){
1535                                 width=1024;
1536                                 height=768;
1537                         }
1538                         if(whichres==3){
1539                                 width=1280;
1540                                 height=1024;
1541                         }
1542                         if(whichres==4){
1543                                 width=1600;
1544                                 height=1200;
1545                         }
1546                         if(whichres==5){
1547                                 width=840;
1548                                 height=524;
1549                         }
1550                         if(whichres==6){
1551                                 width=1024;
1552                                 height=640;
1553                         }
1554                         if(whichres==7){
1555                                 width=1344;
1556                                 height=840;
1557                         }
1558                         if(whichres==8){
1559                                 width=1920;
1560                                 height=1200;
1561                         }
1562
1563                         if ((detail != 0) && (resolutionDepths[whichres][1] != 0))
1564                         {
1565                                 break;
1566                         }
1567                         else if ((detail == 0) && (resolutionDepths[whichres][0] != 0))
1568                         {
1569                                 break;
1570                         }
1571                         else if ((detail != 0) && (resolutionDepths[whichres][0] != 0))
1572                         {
1573                                 res = false;
1574                                 detail = 0;
1575                                 break;
1576                         }
1577                         else
1578
1579             if (0 == whichres)
1580                         {
1581                                 break;
1582                         }
1583
1584                         --whichres;
1585                 }
1586
1587                 bpp = resolutionDepths[whichres][(detail != 0)];
1588                 #endif
1589
1590                 return res;
1591         }
1592
1593         extern int channels[100];
1594         extern OPENAL_SAMPLE * samp[100];
1595         extern OPENAL_STREAM * strm[20];
1596
1597         extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1598         {
1599                 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1600                 if (currSample && currSample == samp[chan])
1601                 {
1602                         if (OPENAL_GetPaused(channels[chan]))
1603                         {
1604                                 OPENAL_StopSound(channels[chan]);
1605                                 channels[chan] = OPENAL_FREE;
1606                         }
1607                         else if (OPENAL_IsPlaying(channels[chan]))
1608                         {
1609                                 int loop_mode = OPENAL_GetLoopMode(channels[chan]);
1610                                 if (loop_mode & OPENAL_LOOP_OFF)
1611                                 {
1612                                         channels[chan] = OPENAL_FREE;
1613                                 }
1614                         }
1615                 }
1616                 else
1617                 {
1618                         channels[chan] = OPENAL_FREE;
1619                 }
1620
1621                 channels[chan] = OPENAL_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
1622                 if (channels[chan] < 0)
1623                 {
1624                         channels[chan] = OPENAL_PlaySoundEx(OPENAL_FREE, sptr, dsp, startpaused);
1625                 }
1626         }
1627
1628         extern "C" void PlayStreamEx(int chan, OPENAL_STREAM *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1629         {
1630                 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1631                 if (currSample && currSample == OPENAL_Stream_GetSample(sptr))
1632                 {
1633                                 OPENAL_StopSound(channels[chan]);
1634                                 OPENAL_Stream_Stop(sptr);
1635                 }
1636                 else
1637                 {
1638                         OPENAL_Stream_Stop(sptr);
1639                         channels[chan] = OPENAL_FREE;
1640                 }
1641
1642                 channels[chan] = OPENAL_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
1643                 if (channels[chan] < 0)
1644                 {
1645                         channels[chan] = OPENAL_Stream_PlayEx(OPENAL_FREE, sptr, dsp, startpaused);
1646                 }
1647         }
1648
1649         bool LoadImage(const char * fname, TGAImageRec & tex)
1650         {
1651                 bool res = true;
1652
1653                 if ( tex.data == NULL )
1654                 {
1655                         return false;
1656                 }
1657
1658         #if USE_DEVIL
1659                 ILstring f = strdup(ConvertFileName(fname));
1660                 if (!f)
1661                 {
1662                         return false;
1663                 }
1664
1665                 ILuint iid=0;
1666                 ilGenImages(1, &iid);
1667                 ilBindImage(iid);
1668                 if (ilLoadImage(f))
1669                 {
1670                         //iluFlipImage();
1671                         tex.sizeX = ilGetInteger(IL_IMAGE_WIDTH);
1672                         tex.sizeY = ilGetInteger(IL_IMAGE_HEIGHT);
1673                         tex.bpp = ilGetInteger(IL_IMAGE_BITS_PER_PIXEL);
1674                         ILuint Bpp = ilGetInteger(IL_IMAGE_BYTES_PER_PIXEL),
1675                                 imageSize = tex.sizeX * tex.sizeY * Bpp;
1676                         ILubyte *Data = ilGetData();
1677                         memcpy(tex.data, Data, imageSize);
1678
1679                         // Truvision Targa files are stored as BGR colors
1680                         // We want RGB so Blue and Red bytes are switched
1681                         if (IL_TGA == ilGetInteger(IL_IMAGE_FORMAT))
1682                         {
1683                                 // Loop Through The Image Data
1684                                 for (GLuint i = 0; i < int(imageSize); i += Bpp)
1685                                 {
1686                                         // Swaps The 1st And 3rd Bytes ('R'ed and 'B'lue)
1687                                         GLbyte temp;                                            // Temporary Variable
1688                                         temp = tex.data[i];                                     // Temporarily Store The Value At Image Data 'i'
1689                                         tex.data[i] = tex.data[i + 2];          // Set The 1st Byte To The Value Of The 3rd Byte
1690                                         tex.data[i + 2] = temp;                         // Set The 3rd Byte To The Value In 'temp' (1st Byte Value)
1691                                 }
1692                         }
1693                 }
1694                 else
1695                 {
1696                         res = false;
1697                 }
1698                 ilDeleteImages(1, &iid);
1699 /*
1700                 if (tid)
1701                 {
1702                         GLuint texid = ilutGLLoadImage(f);
1703                         *tid = texid;
1704                 }
1705                 else if (mip)
1706                 {
1707                         ilutGLBuildMipmaps()
1708                 }
1709                 else
1710                 {
1711                         ilutGLTexImage(0);
1712                 }
1713 */
1714                 free(f);
1715         #else
1716         res = load_image(fname, tex);
1717         //if (!res) printf("failed to load %s\n", fname);
1718         #endif
1719
1720                 return res;
1721         }
1722
1723         void ScreenShot(const char * fname)
1724         {
1725         #if USE_DEVIL
1726                 ILstring f = strdup(fname);
1727                 if (!f)
1728                 {
1729                         return;
1730                 }
1731
1732                 ILuint iid;
1733                 ilGenImages(1, &iid);
1734                 ilBindImage(iid);
1735                 if (ilutGLScreen())
1736                 {
1737                         ilSaveImage(f);
1738                 }
1739                 ilDeleteImages(1, &iid);
1740
1741                 free(f);
1742         #else
1743         save_image(fname);
1744         #endif
1745         }
1746
1747
1748 #if !USE_DEVIL
1749 static bool load_image(const char *file_name, TGAImageRec &tex)
1750 {
1751     char *ptr = strrchr((char *)file_name, '.');
1752     if (ptr)
1753     {
1754         if (strcasecmp(ptr+1, "png") == 0)
1755             return load_png(file_name, tex);
1756         else if (strcasecmp(ptr+1, "jpg") == 0)
1757             return load_jpg(file_name, tex);
1758     }
1759
1760     STUBBED("Unsupported image type");
1761     return false;
1762 }
1763
1764
1765 struct my_error_mgr {
1766   struct jpeg_error_mgr pub;    /* "public" fields */
1767   jmp_buf setjmp_buffer;        /* for return to caller */
1768 };
1769 typedef struct my_error_mgr * my_error_ptr;
1770
1771
1772 static void my_error_exit(j_common_ptr cinfo)
1773 {
1774         struct my_error_mgr *err = (struct my_error_mgr *)cinfo->err;
1775         longjmp(err->setjmp_buffer, 1);
1776 }
1777
1778 /* stolen from public domain example.c code in libjpg distribution. */
1779 static bool load_jpg(const char *file_name, TGAImageRec &tex)
1780 {
1781     struct jpeg_decompress_struct cinfo;
1782     struct my_error_mgr jerr;
1783     JSAMPROW buffer[1];         /* Output row buffer */
1784     int row_stride;             /* physical row width in output buffer */
1785     FILE *infile = fopen(file_name, "rb");
1786
1787     if (infile == NULL)
1788         return false;
1789
1790     cinfo.err = jpeg_std_error(&jerr.pub);
1791     jerr.pub.error_exit = my_error_exit;
1792     if (setjmp(jerr.setjmp_buffer)) {
1793         jpeg_destroy_decompress(&cinfo);
1794         fclose(infile);
1795         return false;
1796     }
1797
1798     jpeg_create_decompress(&cinfo);
1799     jpeg_stdio_src(&cinfo, infile);
1800     (void) jpeg_read_header(&cinfo, TRUE);
1801
1802     cinfo.out_color_space = JCS_RGB;
1803     cinfo.quantize_colors = 0;
1804     (void) jpeg_calc_output_dimensions(&cinfo);
1805     (void) jpeg_start_decompress(&cinfo);
1806
1807     row_stride = cinfo.output_width * cinfo.output_components;
1808     tex.sizeX = cinfo.output_width;
1809     tex.sizeY = cinfo.output_height;
1810     tex.bpp = 24;
1811
1812     while (cinfo.output_scanline < cinfo.output_height) {
1813         buffer[0] = (JSAMPROW)(char *)tex.data +
1814                         ((cinfo.output_height-1) - cinfo.output_scanline) * row_stride;
1815         (void) jpeg_read_scanlines(&cinfo, buffer, 1);
1816     }
1817
1818     (void) jpeg_finish_decompress(&cinfo);
1819     jpeg_destroy_decompress(&cinfo);
1820     fclose(infile);
1821
1822     return true;
1823 }
1824
1825
1826 /* stolen from public domain example.c code in libpng distribution. */
1827 static bool load_png(const char *file_name, TGAImageRec &tex)
1828 {
1829     bool hasalpha = false;
1830     png_structp png_ptr = NULL;
1831     png_infop info_ptr = NULL;
1832     png_uint_32 width, height;
1833     int bit_depth, color_type, interlace_type;
1834     png_byte **rows = NULL;
1835     bool retval = false;
1836     png_byte **row_pointers = NULL;
1837     FILE *fp = fopen(file_name, "rb");
1838
1839     if (fp == NULL)
1840         return(NULL);
1841
1842     png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1843     if (png_ptr == NULL)
1844         goto png_done;
1845
1846     info_ptr = png_create_info_struct(png_ptr);
1847     if (info_ptr == NULL)
1848         goto png_done;
1849
1850     if (setjmp(png_jmpbuf(png_ptr)))
1851         goto png_done;
1852
1853     png_init_io(png_ptr, fp);
1854     png_read_png(png_ptr, info_ptr,
1855                  PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_PACKING,
1856                  NULL);
1857     png_get_IHDR(png_ptr, info_ptr, &width, &height,
1858                  &bit_depth, &color_type, &interlace_type, NULL, NULL);
1859
1860     if (bit_depth != 8)  // transform SHOULD handle this...
1861         goto png_done;
1862
1863     if (color_type & PNG_COLOR_MASK_PALETTE)  // !!! FIXME?
1864         goto png_done;
1865
1866     if ((color_type & PNG_COLOR_MASK_COLOR) == 0)  // !!! FIXME?
1867         goto png_done;
1868
1869     hasalpha = ((color_type & PNG_COLOR_MASK_ALPHA) != 0);
1870     row_pointers = png_get_rows(png_ptr, info_ptr);
1871     if (!row_pointers)
1872         goto png_done;
1873
1874     if (!hasalpha)
1875     {
1876         png_byte *dst = tex.data;
1877         for (int i = height-1; i >= 0; i--)
1878         {
1879             png_byte *src = row_pointers[i];
1880             for (int j = 0; j < width; j++)
1881             {
1882                 dst[0] = src[0];
1883                 dst[1] = src[1];
1884                 dst[2] = src[2];
1885                 dst[3] = 0xFF;
1886                 src += 3;
1887                 dst += 4;
1888             }
1889         }
1890     }
1891
1892     else
1893     {
1894         png_byte *dst = tex.data;
1895         int pitch = width * 4;
1896         for (int i = height-1; i >= 0; i--, dst += pitch)
1897             memcpy(dst, row_pointers[i], pitch);
1898     }
1899
1900     tex.sizeX = width;
1901     tex.sizeY = height;
1902     tex.bpp = 32;
1903     retval = true;
1904
1905 png_done:
1906     png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
1907     if (fp)
1908         fclose(fp);
1909     return (retval);
1910 }
1911
1912
1913 static bool save_image(const char *file_name)
1914 {
1915     char *ptr = strrchr((char *)file_name, '.');
1916     if (ptr)
1917     {
1918         if (strcasecmp(ptr+1, "png") == 0)
1919             return save_png(file_name);
1920     }
1921
1922     STUBBED("Unsupported image type");
1923     return false;
1924 }
1925
1926
1927 static bool save_png(const char *file_name)
1928 {
1929     FILE *fp = NULL;
1930     png_structp png_ptr = NULL;
1931     png_infop info_ptr = NULL;
1932     bool retval = false;
1933
1934     fp = fopen(file_name, "wb");
1935     if (fp == NULL)
1936         return false;
1937
1938     png_bytep *row_pointers = new png_bytep[kContextHeight];
1939     png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];
1940     if ((!screenshot) || (!row_pointers))
1941         goto save_png_done;
1942
1943     glGetError();
1944     glReadPixels(0, 0, kContextWidth, kContextHeight,
1945                  GL_RGB, GL_UNSIGNED_BYTE, screenshot);
1946     if (glGetError() != GL_NO_ERROR)
1947         goto save_png_done;
1948
1949     for (int i = 0; i < kContextHeight; i++)
1950         row_pointers[i] = screenshot + ((kContextWidth * ((kContextHeight-1) - i)) * 3);
1951
1952     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1953     if (png_ptr == NULL)
1954         goto save_png_done;
1955
1956     info_ptr = png_create_info_struct(png_ptr);
1957     if (info_ptr == NULL)
1958         goto save_png_done;
1959
1960     if (setjmp(png_jmpbuf(png_ptr)))
1961         goto save_png_done;
1962
1963     png_init_io(png_ptr, fp);
1964
1965     if (setjmp(png_jmpbuf(png_ptr)))
1966         goto save_png_done;
1967
1968     png_set_IHDR(png_ptr, info_ptr, kContextWidth, kContextHeight,
1969                  8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
1970                  PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
1971
1972     png_write_info(png_ptr, info_ptr);
1973
1974     if (setjmp(png_jmpbuf(png_ptr)))
1975         goto save_png_done;
1976
1977         png_write_image(png_ptr, row_pointers);
1978
1979         if (setjmp(png_jmpbuf(png_ptr)))
1980         goto save_png_done;
1981
1982     png_write_end(png_ptr, NULL);
1983     retval = true;
1984
1985 save_png_done:
1986     png_destroy_write_struct(&png_ptr, &info_ptr);
1987     delete[] screenshot;
1988     delete[] row_pointers;
1989     if (fp)
1990         fclose(fp);
1991     if (!retval)
1992         unlink(ConvertFileName(file_name));
1993     return retval;
1994 }
1995
1996 #endif
1997