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 "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         if ( stereomode == stereoNone ) {
 325                 game.DrawGLScene(stereoCenter);
 326         } else {
 327                 game.DrawGLScene(stereoLeft);
 328                 game.DrawGLScene(stereoRight);
 329         }
 330 }
 331
 332
 333 static KeyMap g_theKeys;
 334
 335 void SetKey( int key)
 336 {
 337     g_theKeys[ key >> 3] |= (1 << (key & 7));
 338 }
 339
 340 void ClearKey( int key)
 341 {
 342     g_theKeys[ key >> 3] &= (0xff ^ (1 << (key & 7)));
 343 }
 344
 345 void GetKeys(  unsigned char theKeys[16])
 346 {
 347     memcpy( theKeys, &g_theKeys, 16);
 348 }
 349
 350 Boolean Button()
 351 {
 352     return g_button;
 353 }
 354
 355
 356 #define MAX_SDLKEYS SDLK_LAST
 357 static unsigned short KeyTable[MAX_SDLKEYS];
 358
 359 static void initSDLKeyTable(void)
 360 {
 361     memset(KeyTable, 0xFF, sizeof (KeyTable));
 362     KeyTable[SDLK_BACKSPACE] = MAC_DELETE_KEY;
 363     KeyTable[SDLK_TAB] = MAC_TAB_KEY;
 364     KeyTable[SDLK_RETURN] = MAC_RETURN_KEY;
 365     KeyTable[SDLK_ESCAPE] = MAC_ESCAPE_KEY;
 366     KeyTable[SDLK_SPACE] = MAC_SPACE_KEY;
 367     KeyTable[SDLK_PAGEUP] = MAC_PAGE_UP_KEY;
 368     KeyTable[SDLK_PAGEDOWN] = MAC_PAGE_DOWN_KEY;
 369     KeyTable[SDLK_END] = MAC_END_KEY;
 370     KeyTable[SDLK_HOME] = MAC_HOME_KEY;
 371     KeyTable[SDLK_LEFT] = MAC_ARROW_LEFT_KEY;
 372     KeyTable[SDLK_UP] = MAC_ARROW_UP_KEY;
 373     KeyTable[SDLK_RIGHT] = MAC_ARROW_RIGHT_KEY;
 374     KeyTable[SDLK_DOWN] = MAC_ARROW_DOWN_KEY;
 375     KeyTable[SDLK_INSERT] = MAC_INSERT_KEY;
 376     KeyTable[SDLK_DELETE] = MAC_DEL_KEY;
 377     KeyTable[SDLK_0] = MAC_0_KEY;
 378     KeyTable[SDLK_1] = MAC_1_KEY;
 379     KeyTable[SDLK_2] = MAC_2_KEY;
 380     KeyTable[SDLK_3] = MAC_3_KEY;
 381     KeyTable[SDLK_4] = MAC_4_KEY;
 382     KeyTable[SDLK_5] = MAC_5_KEY;
 383     KeyTable[SDLK_6] = MAC_6_KEY;
 384     KeyTable[SDLK_7] = MAC_7_KEY;
 385     KeyTable[SDLK_8] = MAC_8_KEY;
 386     KeyTable[SDLK_9] = MAC_9_KEY;
 387     KeyTable[SDLK_a] = MAC_A_KEY;
 388     KeyTable[SDLK_b] = MAC_B_KEY;
 389     KeyTable[SDLK_c] = MAC_C_KEY;
 390     KeyTable[SDLK_d] = MAC_D_KEY;
 391     KeyTable[SDLK_e] = MAC_E_KEY;
 392     KeyTable[SDLK_f] = MAC_F_KEY;
 393     KeyTable[SDLK_g] = MAC_G_KEY;
 394     KeyTable[SDLK_h] = MAC_H_KEY;
 395     KeyTable[SDLK_i] = MAC_I_KEY;
 396     KeyTable[SDLK_j] = MAC_J_KEY;
 397     KeyTable[SDLK_k] = MAC_K_KEY;
 398     KeyTable[SDLK_l] = MAC_L_KEY;
 399     KeyTable[SDLK_m] = MAC_M_KEY;
 400     KeyTable[SDLK_n] = MAC_N_KEY;
 401     KeyTable[SDLK_o] = MAC_O_KEY;
 402     KeyTable[SDLK_p] = MAC_P_KEY;
 403     KeyTable[SDLK_q] = MAC_Q_KEY;
 404     KeyTable[SDLK_r] = MAC_R_KEY;
 405     KeyTable[SDLK_s] = MAC_S_KEY;
 406     KeyTable[SDLK_t] = MAC_T_KEY;
 407     KeyTable[SDLK_u] = MAC_U_KEY;
 408     KeyTable[SDLK_v] = MAC_V_KEY;
 409     KeyTable[SDLK_w] = MAC_W_KEY;
 410     KeyTable[SDLK_x] = MAC_X_KEY;
 411     KeyTable[SDLK_y] = MAC_Y_KEY;
 412     KeyTable[SDLK_z] = MAC_Z_KEY;
 413     KeyTable[SDLK_KP0] = MAC_NUMPAD_0_KEY;
 414     KeyTable[SDLK_KP1] = MAC_NUMPAD_1_KEY;
 415     KeyTable[SDLK_KP2] = MAC_NUMPAD_2_KEY;
 416     KeyTable[SDLK_KP3] = MAC_NUMPAD_3_KEY;
 417     KeyTable[SDLK_KP4] = MAC_NUMPAD_4_KEY;
 418     KeyTable[SDLK_KP5] = MAC_NUMPAD_5_KEY;
 419     KeyTable[SDLK_KP6] = MAC_NUMPAD_6_KEY;
 420     KeyTable[SDLK_KP7] = MAC_NUMPAD_7_KEY;
 421     KeyTable[SDLK_KP8] = MAC_NUMPAD_8_KEY;
 422     KeyTable[SDLK_KP9] = MAC_NUMPAD_9_KEY;
 423     KeyTable[SDLK_KP_MULTIPLY] = MAC_NUMPAD_ASTERISK_KEY;
 424     KeyTable[SDLK_KP_PLUS] = MAC_NUMPAD_PLUS_KEY;
 425     KeyTable[SDLK_KP_ENTER] = MAC_NUMPAD_ENTER_KEY;
 426     KeyTable[SDLK_KP_MINUS] = MAC_NUMPAD_MINUS_KEY;
 427     KeyTable[SDLK_KP_PERIOD] = MAC_NUMPAD_PERIOD_KEY;
 428     KeyTable[SDLK_KP_DIVIDE] = MAC_NUMPAD_SLASH_KEY;
 429     KeyTable[SDLK_F1] = MAC_F1_KEY;
 430     KeyTable[SDLK_F2] = MAC_F2_KEY;
 431     KeyTable[SDLK_F3] = MAC_F3_KEY;
 432     KeyTable[SDLK_F4] = MAC_F4_KEY;
 433     KeyTable[SDLK_F5] = MAC_F5_KEY;
 434     KeyTable[SDLK_F6] = MAC_F6_KEY;
 435     KeyTable[SDLK_F7] = MAC_F7_KEY;
 436     KeyTable[SDLK_F8] = MAC_F8_KEY;
 437     KeyTable[SDLK_F9] = MAC_F9_KEY;
 438     KeyTable[SDLK_F10] = MAC_F10_KEY;
 439     KeyTable[SDLK_F11] = MAC_F11_KEY;
 440     KeyTable[SDLK_F12] = MAC_F12_KEY;
 441     KeyTable[SDLK_SEMICOLON] = MAC_SEMICOLON_KEY;
 442     KeyTable[SDLK_PLUS] = MAC_PLUS_KEY;
 443     KeyTable[SDLK_COMMA] = MAC_COMMA_KEY;
 444     KeyTable[SDLK_MINUS] = MAC_MINUS_KEY;
 445     KeyTable[SDLK_PERIOD] = MAC_PERIOD_KEY;
 446     KeyTable[SDLK_SLASH] = MAC_SLASH_KEY;
 447     KeyTable[SDLK_BACKQUOTE] = MAC_TILDE_KEY;
 448     KeyTable[SDLK_LEFTBRACKET] = MAC_LEFTBRACKET_KEY;
 449     KeyTable[SDLK_BACKSLASH] = MAC_BACKSLASH_KEY;
 450     KeyTable[SDLK_RIGHTBRACKET] = MAC_RIGHTBRACKET_KEY;
 451     KeyTable[SDLK_QUOTE] = MAC_APOSTROPHE_KEY;
 452 }
 453
 454 static inline int clamp_sdl_mouse_button(Uint8 button)
 455 {
 456     if (button == 2)   // right mouse button is button 3 in SDL.
 457         button = 3;
 458     else if (button == 3)
 459         button = 2;
 460
 461     if ((button >= 1) && (button <= 3))
 462         return button - 1;
 463     return -1;
 464 }
 465
 466 static void sdlEventProc(const SDL_Event &e, Game &game)
 467 {
 468     int val;
 469     bool skipkey = false;
 470     SDLMod mod;
 471
 472     switch(e.type)
 473         {
 474         case SDL_MOUSEMOTION:
 475             game.deltah += e.motion.xrel;
 476             game.deltav += e.motion.yrel;
 477             return;
 478
 479                 case SDL_MOUSEBUTTONDOWN:
 480                         {
 481                 val = clamp_sdl_mouse_button(e.button.button);
 482                 if ((val >= 0) && (val <= 2))
 483                 {
 484                     if (val == 0)
 485                                     g_button = true;
 486                                 buttons[val] = true;
 487                 }
 488                         }
 489                         return;
 490
 491                 case SDL_MOUSEBUTTONUP:
 492                         {
 493                 val = clamp_sdl_mouse_button(e.button.button);
 494                 if ((val >= 0) && (val <= 2))
 495                 {
 496                     if (val == 0)
 497                                     g_button = false;
 498                                 buttons[val] = false;
 499                 }
 500                         }
 501             return;
 502
 503         case SDL_KEYDOWN:
 504             if (e.key.keysym.sym == SDLK_g)
 505             {
 506                 if (e.key.keysym.mod & KMOD_CTRL)
 507                 {
 508                     skipkey = true;
 509                     SDL_GrabMode mode = SDL_GRAB_ON;
 510                     if ((SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) == 0)
 511                     {
 512                         mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
 513                         mode = (mode==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON;
 514                     }
 515                     SDL_WM_GrabInput(mode);
 516                 }
 517             }
 518
 519             else if (e.key.keysym.sym == SDLK_RETURN)
 520             {
 521                 if (e.key.keysym.mod & KMOD_ALT)
 522                 {
 523                     skipkey = true;
 524                     SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
 525                 }
 526             }
 527
 528             if ((!skipkey) && (e.key.keysym.sym < SDLK_LAST))
 529             {
 530                 if (KeyTable[e.key.keysym.sym] != 0xffff)
 531                     SetKey(KeyTable[e.key.keysym.sym]);
 532             }
 533
 534             mod = SDL_GetModState();
 535             if (mod & KMOD_CTRL)
 536                 SetKey(MAC_CONTROL_KEY);
 537             if (mod & KMOD_ALT)
 538                 SetKey(MAC_OPTION_KEY);
 539             if (mod & KMOD_META)
 540                 SetKey(MAC_COMMAND_KEY);
 541             if (mod & KMOD_SHIFT)
 542                 SetKey(MAC_SHIFT_KEY);
 543             if (mod & KMOD_CAPS)
 544                 SetKey(MAC_CAPS_LOCK_KEY);
 545
 546             return;
 547
 548         case SDL_KEYUP:
 549             if (e.key.keysym.sym < SDLK_LAST)
 550             {
 551                 if (KeyTable[e.key.keysym.sym] != 0xffff)
 552                     ClearKey(KeyTable[e.key.keysym.sym]);
 553             }
 554
 555             mod = SDL_GetModState();
 556             if ((mod & KMOD_CTRL) == 0)
 557                 ClearKey(MAC_CONTROL_KEY);
 558             if ((mod & KMOD_ALT) == 0)
 559                 ClearKey(MAC_OPTION_KEY);
 560             if ((mod & KMOD_META) == 0)
 561                 ClearKey(MAC_COMMAND_KEY);
 562             if ((mod & KMOD_SHIFT) == 0)
 563                 ClearKey(MAC_SHIFT_KEY);
 564             if ((mod & KMOD_CAPS) == 0)
 565                 ClearKey(MAC_CAPS_LOCK_KEY);
 566             return;
 567     }
 568 }
 569
 570
 571 // --------------------------------------------------------------------------
 572
 573 static Point gMidPoint;
 574
 575 Boolean SetUp (Game & game)
 576 {
 577         char string[10];
 578
 579         LOGFUNC;
 580
 581         randSeed = UpTime().lo;
 582
 583         osx = 0;
 584         ifstream ipstream(ConvertFileName(":Data:config.txt"), std::ios::in /*| std::ios::nocreate*/);
 585         detail=1;
 586         ismotionblur=0;
 587         usermousesensitivity=1;
 588         kContextWidth=640;
 589         kContextHeight=480;
 590         kBitsPerPixel = 32;
 591         floatjump=0;
 592         cellophane=0;
 593         texdetail=4;
 594         autoslomo=1;
 595         decals=1;
 596         invertmouse=0;
 597         bloodtoggle=0;
 598         terraindetail=2;
 599         foliage=1;
 600         musictoggle=1;
 601         trilinear=1;
 602         gamespeed=1;
 603         difficulty=1;
 604         damageeffects=0;
 605         texttoggle=1;
 606         alwaysblur=0;
 607         showpoints=0;
 608         immediate=0;
 609         velocityblur=0;
 610
 611         slomospeed=0.25;
 612         slomofreq=8012;
 613
 614         volume = 0.8f;
 615
 616         game.crouchkey=MAC_SHIFT_KEY;
 617         game.jumpkey=MAC_SPACE_KEY;
 618         game.leftkey=MAC_A_KEY;
 619         game.forwardkey=MAC_W_KEY;
 620         game.backkey=MAC_S_KEY;
 621         game.rightkey=MAC_D_KEY;
 622         game.drawkey=MAC_E_KEY;
 623         game.throwkey=MAC_Q_KEY;
 624         game.attackkey=MAC_MOUSEBUTTON1;
 625         game.chatkey=MAC_T_KEY;
 626         numplayers=1;
 627         ambientsound=1;
 628         vblsync=0;
 629         debugmode=0;
 630
 631         selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
 632
 633         if(!ipstream) {
 634                 ofstream opstream(ConvertFileName(":Data:config.txt", "w"));
 635                 opstream << "Screenwidth:\n";
 636                 opstream << kContextWidth;
 637                 opstream << "\nScreenheight:\n";
 638                 opstream << kContextHeight;
 639                 opstream << "\nMouse sensitivity:\n";
 640                 opstream << usermousesensitivity;
 641                 opstream << "\nBlur(0,1):\n";
 642                 opstream << ismotionblur;
 643                 opstream << "\nOverall Detail(0,1,2) higher=better:\n";
 644                 opstream << detail;
 645                 opstream << "\nFloating jump:\n";
 646                 opstream << floatjump;
 647                 opstream << "\nMouse jump:\n";
 648                 opstream << mousejump;
 649                 opstream << "\nAmbient sound:\n";
 650                 opstream << ambientsound;
 651                 opstream << "\nBlood (0,1,2):\n";
 652                 opstream << bloodtoggle;
 653                 opstream << "\nAuto slomo:\n";
 654                 opstream << autoslomo;
 655                 opstream << "\nFoliage:\n";
 656                 opstream << foliage;
 657                 opstream << "\nMusic:\n";
 658                 opstream << musictoggle;
 659                 opstream << "\nTrilinear:\n";
 660                 opstream << trilinear;
 661                 opstream << "\nDecals(shadows,blood puddles,etc):\n";
 662                 opstream << decals;
 663                 opstream << "\nInvert mouse:\n";
 664                 opstream << invertmouse;
 665                 opstream << "\nGamespeed:\n";
 666                 opstream << gamespeed;
 667                 opstream << "\nDifficulty(0,1,2) higher=harder:\n";
 668                 opstream << difficulty;
 669                 opstream << "\nDamage effects(blackout, doublevision):\n";
 670                 opstream << damageeffects;
 671                 opstream << "\nText:\n";
 672                 opstream << texttoggle;
 673                 opstream << "\nDebug:\n";
 674                 opstream << debugmode;
 675                 opstream << "\nVBL Sync:\n";
 676                 opstream << vblsync;
 677                 opstream << "\nShow Points:\n";
 678                 opstream << showpoints;
 679                 opstream << "\nAlways Blur:\n";
 680                 opstream << alwaysblur;
 681                 opstream << "\nImmediate mode (turn on on G5):\n";
 682                 opstream << immediate;
 683                 opstream << "\nVelocity blur:\n";
 684                 opstream << velocityblur;
 685                 opstream << "\nVolume:\n";
 686                 opstream << volume;
 687                 opstream << "\nForward key:\n";
 688                 opstream << KeyToChar(game.forwardkey);
 689                 opstream << "\nBack key:\n";
 690                 opstream << KeyToChar(game.backkey);
 691                 opstream << "\nLeft key:\n";
 692                 opstream << KeyToChar(game.leftkey);
 693                 opstream << "\nRight key:\n";
 694                 opstream << KeyToChar(game.rightkey);
 695                 opstream << "\nJump key:\n";
 696                 opstream << KeyToChar(game.jumpkey);
 697                 opstream << "\nCrouch key:\n";
 698                 opstream << KeyToChar(game.crouchkey);
 699                 opstream << "\nDraw key:\n";
 700                 opstream << KeyToChar(game.drawkey);
 701                 opstream << "\nThrow key:\n";
 702                 opstream << KeyToChar(game.throwkey);
 703                 opstream << "\nAttack key:\n";
 704                 opstream << KeyToChar(game.attackkey);
 705                 opstream << "\nChat key:\n";
 706                 opstream << KeyToChar(game.chatkey);
 707                 opstream.close();
 708         }
 709         if(ipstream){
 710                 int i;
 711                 ipstream.ignore(256,'\n');
 712                 ipstream >> kContextWidth;
 713                 ipstream.ignore(256,'\n');
 714                 ipstream.ignore(256,'\n');
 715                 ipstream >> kContextHeight;
 716                 ipstream.ignore(256,'\n');
 717                 ipstream.ignore(256,'\n');
 718                 ipstream >> usermousesensitivity;
 719                 ipstream.ignore(256,'\n');
 720                 ipstream.ignore(256,'\n');
 721                 ipstream >> i;
 722                 ismotionblur = (i != 0);
 723                 ipstream.ignore(256,'\n');
 724                 ipstream.ignore(256,'\n');
 725                 ipstream >> detail;
 726                 if(detail!=0)kBitsPerPixel=32;
 727                 else kBitsPerPixel=16;
 728                 ipstream.ignore(256,'\n');
 729                 ipstream.ignore(256,'\n');
 730                 ipstream >> i;
 731                 floatjump = (i != 0);
 732                 ipstream.ignore(256,'\n');
 733                 ipstream.ignore(256,'\n');
 734                 ipstream >> i;
 735                 mousejump = (i != 0);
 736                 ipstream.ignore(256,'\n');
 737                 ipstream.ignore(256,'\n');
 738                 ipstream >> i;
 739                 ambientsound = (i != 0);
 740                 ipstream.ignore(256,'\n');
 741                 ipstream.ignore(256,'\n');
 742                 ipstream >> bloodtoggle;
 743                 ipstream.ignore(256,'\n');
 744                 ipstream.ignore(256,'\n');
 745                 ipstream >> i;
 746                 autoslomo = (i != 0);
 747                 ipstream.ignore(256,'\n');
 748                 ipstream.ignore(256,'\n');
 749                 ipstream >> i;
 750                 foliage = (i != 0);
 751                 ipstream.ignore(256,'\n');
 752                 ipstream.ignore(256,'\n');
 753                 ipstream >> i;
 754                 musictoggle = (i != 0);
 755                 ipstream.ignore(256,'\n');
 756                 ipstream.ignore(256,'\n');
 757                 ipstream >> i;
 758                 trilinear = (i != 0);
 759                 ipstream.ignore(256,'\n');
 760                 ipstream.ignore(256,'\n');
 761                 ipstream >> i;
 762                 decals = (i != 0);
 763                 ipstream.ignore(256,'\n');
 764                 ipstream.ignore(256,'\n');
 765                 ipstream >> i;
 766                 invertmouse = (i != 0);
 767                 ipstream.ignore(256,'\n');
 768                 ipstream.ignore(256,'\n');
 769                 ipstream >> gamespeed;
 770                 oldgamespeed=gamespeed;
 771                 if(oldgamespeed==0){
 772                         gamespeed=1;
 773                         oldgamespeed=1;
 774                 }
 775                 ipstream.ignore(256,'\n');
 776                 ipstream.ignore(256,'\n');
 777                 ipstream >> difficulty;
 778                 ipstream.ignore(256,'\n');
 779                 ipstream.ignore(256,'\n');
 780                 ipstream >> i;
 781                 damageeffects = (i != 0);
 782                 ipstream.ignore(256,'\n');
 783                 ipstream.ignore(256,'\n');
 784                 ipstream >> i;
 785                 texttoggle = (i != 0);
 786                 ipstream.ignore(256,'\n');
 787                 ipstream.ignore(256,'\n');
 788                 ipstream >> i;
 789                 debugmode = (i != 0);
 790                 ipstream.ignore(256,'\n');
 791                 ipstream.ignore(256,'\n');
 792                 ipstream >> i;
 793                 vblsync = (i != 0);
 794                 ipstream.ignore(256,'\n');
 795                 ipstream.ignore(256,'\n');
 796                 ipstream >> i;
 797                 showpoints = (i != 0);
 798                 ipstream.ignore(256,'\n');
 799                 ipstream.ignore(256,'\n');
 800                 ipstream >> i;
 801                 alwaysblur = (i != 0);
 802                 ipstream.ignore(256,'\n');
 803                 ipstream.ignore(256,'\n');
 804                 ipstream >> i;
 805                 immediate = (i != 0);
 806                 ipstream.ignore(256,'\n');
 807                 ipstream.ignore(256,'\n');
 808                 ipstream >> i;
 809                 velocityblur = (i != 0);
 810                 ipstream.ignore(256,'\n');
 811                 ipstream.ignore(256,'\n');
 812                 ipstream >> volume;
 813                 ipstream.ignore(256,'\n');
 814                 ipstream.ignore(256,'\n');
 815                 ipstream >> string;
 816                 game.forwardkey=CharToKey(string);
 817                 ipstream.ignore(256,'\n');
 818                 ipstream.ignore(256,'\n');
 819                 ipstream >> string;
 820                 game.backkey=CharToKey(string);
 821                 ipstream.ignore(256,'\n');
 822                 ipstream.ignore(256,'\n');
 823                 ipstream >> string;
 824                 game.leftkey=CharToKey(string);
 825                 ipstream.ignore(256,'\n');
 826                 ipstream.ignore(256,'\n');
 827                 ipstream >> string;
 828                 game.rightkey=CharToKey(string);
 829                 ipstream.ignore(256,'\n');
 830                 ipstream.ignore(256,'\n');
 831                 ipstream >> string;
 832                 game.jumpkey=CharToKey(string);
 833                 ipstream.ignore(256,'\n');
 834                 ipstream.ignore(256,'\n');
 835                 ipstream >> string;
 836                 game.crouchkey=CharToKey(string);
 837                 ipstream.ignore(256,'\n');
 838                 ipstream.ignore(256,'\n');
 839                 ipstream >> string;
 840                 game.drawkey=CharToKey(string);
 841                 ipstream.ignore(256,'\n');
 842                 ipstream.ignore(256,'\n');
 843                 ipstream >> string;
 844                 game.throwkey=CharToKey(string);
 845                 ipstream.ignore(256,'\n');
 846                 ipstream.ignore(256,'\n');
 847                 ipstream >> string;
 848                 game.attackkey=CharToKey(string);
 849                 ipstream.ignore(256,'\n');
 850                 ipstream.ignore(256,'\n');
 851                 ipstream >> string;
 852                 game.chatkey=CharToKey(string);
 853                 ipstream.close();
 854
 855                 if(detail>2)detail=2;
 856                 if(detail<0)detail=0;
 857                 if(screenwidth<0)screenwidth=640;
 858                 if(screenheight<0)screenheight=480;
 859
 860         }
 861         if(kBitsPerPixel!=32&&kBitsPerPixel!=16){
 862                 kBitsPerPixel=16;
 863         }
 864
 865
 866         selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
 867
 868         SetupDSpFullScreen();
 869
 870
 871     if (!SDL_WasInit(SDL_INIT_VIDEO))
 872     {
 873         if (SDL_Init(SDL_INIT_VIDEO) == -1)
 874         {
 875             fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
 876             return false;
 877         }
 878
 879         if (SDL_GL_LoadLibrary(NULL) == -1)
 880         {
 881             fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
 882             SDL_Quit();
 883             return false;
 884         }
 885
 886         SDL_Rect **res = SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_OPENGL);
 887         if ( (res == NULL) || (res == ((SDL_Rect **)-1)) || (res[0] == NULL) || (res[0]->w < 640) || (res[0]->h < 480) )
 888             res = hardcoded_resolutions;
 889
 890         // reverse list (it was sorted biggest to smallest by SDL)...
 891         int count;
 892         for (count = 0; res[count]; count++)
 893         {
 894             if ((res[count]->w < 640) || (res[count]->h < 480))
 895                 break;   // sane lower limit.
 896         }
 897
 898         static SDL_Rect *resolutions_block = NULL;
 899         resolutions_block = (SDL_Rect*) realloc(resolutions_block, sizeof (SDL_Rect) * count);
 900         resolutions = (SDL_Rect**) realloc(resolutions, sizeof (SDL_Rect *) * (count + 1));
 901         if ((resolutions_block == NULL) || (resolutions == NULL))
 902         {
 903             SDL_Quit();
 904             fprintf(stderr, "Out of memory!\n");
 905             return false;
 906         }
 907
 908         resolutions[count--] = NULL;
 909         for (int i = 0; count >= 0; i++, count--)
 910         {
 911             memcpy(&resolutions_block[count], res[i], sizeof (SDL_Rect));
 912             resolutions[count] = &resolutions_block[count];
 913         }
 914
 915         if (cmdline("showresolutions"))
 916         {
 917             printf("Resolutions we think are okay:\n");
 918             for (int i = 0; resolutions[i]; i++)
 919                 printf("  %d x %d\n", (int) resolutions[i]->w, (int) resolutions[i]->h);
 920         }
 921     }
 922
 923     Uint32 sdlflags = SDL_OPENGL;
 924     if (!cmdline("windowed"))
 925         sdlflags |= SDL_FULLSCREEN;
 926
 927     SDL_WM_SetCaption("Lugaru", "Lugaru");
 928
 929     SDL_ShowCursor(0);
 930
 931     SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
 932     SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 1);
 933
 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...\n");
 938         kContextWidth = 640;
 939         kContextHeight = 480;
 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 windowed mode...\n");
 944             sdlflags &= ~SDL_FULLSCREEN;
 945             if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
 946             {
 947                 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
 948                 return false;
 949             }
 950         }
 951     }
 952
 953     int dblbuf = 0;
 954     if ((SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &dblbuf) == -1) || (!dblbuf))
 955     {
 956         fprintf(stderr, "Failed to get double buffered GL context!\n");
 957         SDL_Quit();
 958         return false;
 959     }
 960
 961     if (!lookup_all_glsyms())
 962     {
 963         SDL_Quit();
 964         return false;
 965     }
 966
 967     if (!cmdline("nomousegrab"))
 968         SDL_WM_GrabInput(SDL_GRAB_ON);
 969
 970
 971         glClear( GL_COLOR_BUFFER_BIT );
 972         swap_gl_buffers();
 973
 974         // clear all states
 975         glDisable( GL_ALPHA_TEST);
 976         glDisable( GL_BLEND);
 977         glDisable( GL_DEPTH_TEST);
 978         //      glDisable( GL_DITHER);
 979         glDisable( GL_FOG);
 980         glDisable( GL_LIGHTING);
 981         glDisable( GL_LOGIC_OP);
 982         glDisable( GL_TEXTURE_1D);
 983         glDisable( GL_TEXTURE_2D);
 984         glPixelTransferi( GL_MAP_COLOR, GL_FALSE);
 985         glPixelTransferi( GL_RED_SCALE, 1);
 986         glPixelTransferi( GL_RED_BIAS, 0);
 987         glPixelTransferi( GL_GREEN_SCALE, 1);
 988         glPixelTransferi( GL_GREEN_BIAS, 0);
 989         glPixelTransferi( GL_BLUE_SCALE, 1);
 990         glPixelTransferi( GL_BLUE_BIAS, 0);
 991         glPixelTransferi( GL_ALPHA_SCALE, 1);
 992         glPixelTransferi( GL_ALPHA_BIAS, 0);
 993
 994         // set initial rendering states
 995         glShadeModel( GL_SMOOTH);
 996         glClearDepth( 1.0f);
 997         glDepthFunc( GL_LEQUAL);
 998         glDepthMask( GL_TRUE);
 999         //      glDepthRange( FRONT_CLIP, BACK_CLIP);
1000         glEnable( GL_DEPTH_TEST);
1001         glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
1002         glCullFace( GL_FRONT);
1003         glEnable( GL_CULL_FACE);
1004         glEnable( GL_LIGHTING);
1005 //      glEnable( GL_LIGHT_MODEL_AMBIENT);
1006         glEnable( GL_DITHER);
1007         glEnable( GL_COLOR_MATERIAL);
1008         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1009         glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1010         glAlphaFunc( GL_GREATER, 0.5f);
1011
1012         GLint width = kContextWidth;
1013         GLint height = kContextHeight;
1014         gMidPoint.h = width / 2;
1015         gMidPoint.v = height / 2;
1016         screenwidth=width;
1017         screenheight=height;
1018
1019         game.newdetail=detail;
1020         game.newscreenwidth=screenwidth;
1021         game.newscreenheight=screenheight;
1022
1023         GLint stencilbits = 0;
1024         glGetIntegerv(GL_STENCIL_BITS, &stencilbits);
1025         if ( stencilbits < 1 ) {
1026                 fprintf(stderr, "Failed to get a stencil buffer!\n");
1027                 SDL_Quit();
1028                 return false;
1029         }
1030
1031         fprintf(stderr, "Stencil buffer has %i bits, good.\n", stencilbits);
1032         fprintf(stderr, "Screen width is %i, height is %i\n", kContextWidth, kContextHeight);
1033
1034         glEnable( GL_STENCIL_TEST);
1035         glClearStencil(0);
1036         glClear(  GL_STENCIL_BUFFER_BIT );
1037         glStencilFunc(GL_ALWAYS, 0x1, 0x1);
1038         glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
1039
1040
1041         glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
1042         glPixelStorei(GL_UNPACK_ROW_LENGTH, 3);
1043         glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
1044         glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
1045         glColorMask( 1.0, 1.0, 1.0, 1.0 );
1046         char stencil[] = {64,127,255};
1047
1048         glViewport(0,0, kContextWidth, kContextHeight);
1049         glMatrixMode(GL_PROJECTION);
1050         glLoadIdentity();
1051         glOrtho((GLdouble)0, (GLdouble)kContextWidth, (GLdouble)kContextHeight, 0, -1, 1);
1052         glMatrixMode(GL_MODELVIEW);
1053         glLoadIdentity();
1054
1055         for(int y=0;y<kContextHeight;y+=2) {
1056
1057                 for(int x=0;x<kContextWidth;x++) {
1058                         glRasterPos2i(x, y);
1059                         glDrawPixels(1, 1, GL_RGB, GL_UNSIGNED_BYTE, &stencil);
1060                 }
1061         }
1062
1063         glStencilFunc(GL_NOTEQUAL, 0x01, 0x01);
1064         glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
1065
1066         // Something gets screwed up due to the changes above
1067         // revert to default.
1068         glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
1069         glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
1070         glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
1071         glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
1072
1073         game.InitGame();
1074
1075         return true;
1076 }
1077
1078
1079 static void DoMouse(Game & game)
1080 {
1081
1082         if(mainmenu||(abs(game.deltah)<10*realmultiplier*1000&&abs(game.deltav)<10*realmultiplier*1000))
1083         {
1084                 game.deltah *= usermousesensitivity;
1085                 game.deltav *= usermousesensitivity;
1086                 game.mousecoordh += game.deltah;
1087                 game.mousecoordv += game.deltav;
1088         if (game.mousecoordh < 0)
1089             game.mousecoordh = 0;
1090         else if (game.mousecoordh >= kContextWidth)
1091             game.mousecoordh = kContextWidth - 1;
1092         if (game.mousecoordv < 0)
1093             game.mousecoordv = 0;
1094         else if (game.mousecoordv >= kContextHeight)
1095             game.mousecoordv = kContextHeight - 1;
1096         }
1097
1098 }
1099
1100
1101
1102 // --------------------------------------------------------------------------
1103
1104 void DoKey (SInt8 theKey, SInt8 theCode)
1105 {
1106         // do nothing
1107 }
1108
1109 // --------------------------------------------------------------------------
1110
1111
1112
1113 void DoFrameRate (int update)
1114 {
1115         static long frames = 0;
1116
1117         static AbsoluteTime time = {0,0};
1118         static AbsoluteTime frametime = {0,0};
1119         AbsoluteTime currTime = UpTime ();
1120         double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
1121
1122         if (0 > deltaTime)      // if negative microseconds
1123                 deltaTime /= -1000000.0;
1124         else                            // else milliseconds
1125                 deltaTime /= 1000.0;
1126
1127         multiplier=deltaTime;
1128         if(multiplier<.001)multiplier=.001;
1129         if(multiplier>10)multiplier=10;
1130         if(update)frametime = currTime; // reset for next time interval
1131
1132         deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
1133
1134         if (0 > deltaTime)      // if negative microseconds
1135                 deltaTime /= -1000000.0;
1136         else                            // else milliseconds
1137                 deltaTime /= 1000.0;
1138         frames++;
1139         if (0.001 <= deltaTime) // has update interval passed
1140         {
1141                 if(update){
1142                         time = currTime;        // reset for next time interval
1143                         frames = 0;
1144                 }
1145         }
1146 }
1147
1148
1149 void DoUpdate (Game & game)
1150 {
1151         static float sps=200;
1152         static int count;
1153         static float oldmult;
1154
1155         DoFrameRate(1);
1156         if(multiplier>.6)multiplier=.6;
1157
1158         game.fps=1/multiplier;
1159
1160         count = multiplier*sps;
1161         if(count<2)count=2;
1162         //if(count>10)count=10;
1163
1164         realmultiplier=multiplier;
1165         multiplier*=gamespeed;
1166         if(difficulty==1)multiplier*=.9;
1167         if(difficulty==0)multiplier*=.8;
1168
1169         if(game.loading==4)multiplier*=.00001;
1170         //multiplier*.9;
1171         if(slomo&&!mainmenu)multiplier*=slomospeed;
1172         //if(freeze)multiplier*=0.00001;
1173         oldmult=multiplier;
1174         multiplier/=(float)count;
1175
1176         DoMouse(game);
1177
1178         game.TickOnce();
1179
1180         for(int i=0;i<count;i++)
1181         {
1182                 game.Tick();
1183         }
1184         multiplier=oldmult;
1185
1186         game.TickOnceAfter();
1187 /* - Debug code to test how many channels were active on average per frame
1188         static long frames = 0;
1189
1190         static AbsoluteTime start = {0,0};
1191         AbsoluteTime currTime = UpTime ();
1192         static int num_channels = 0;
1193
1194         num_channels += OPENAL_GetChannelsPlaying();
1195         double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
1196
1197         if (0 > deltaTime)      // if negative microseconds
1198                 deltaTime /= -1000000.0;
1199         else                            // else milliseconds
1200                 deltaTime /= 1000.0;
1201
1202         ++frames;
1203
1204         if (deltaTime >= 1)
1205         {
1206                 start = currTime;
1207                 float avg_channels = (float)num_channels / (float)frames;
1208
1209                 ofstream opstream("log.txt",ios::app);
1210                 opstream << "Average frame count: ";
1211                 opstream << frames;
1212                 opstream << " frames - ";
1213                 opstream << avg_channels;
1214                 opstream << " per frame.\n";
1215                 opstream.close();
1216
1217                 frames = 0;
1218                 num_channels = 0;
1219         }
1220 */
1221         DrawGL (game);
1222 }
1223
1224 // --------------------------------------------------------------------------
1225
1226
1227 void CleanUp (void)
1228 {
1229         LOGFUNC;
1230
1231 //      game.Dispose();
1232
1233
1234
1235
1236     SDL_Quit();
1237     #define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
1238     #include "glstubs.h"
1239     #undef GL_FUNC
1240     // cheat here...static destructors are calling glDeleteTexture() after
1241     //  the context is destroyed and libGL unloaded by SDL_Quit().
1242     pglDeleteTextures = glDeleteTextures_doNothing;
1243
1244 }
1245
1246 // --------------------------------------------------------------------------
1247
1248 static bool IsFocused()
1249 {
1250     return ((SDL_GetAppState() & SDL_APPINPUTFOCUS) != 0);
1251 }
1252
1253
1254 static void launch_web_browser(const char *url)
1255 {
1256 #ifdef WIN32
1257     ShellExecute(NULL, "open", url, NULL, NULL, SW_SHOWNORMAL);
1258
1259 #elif (defined(__APPLE__) && defined(__MACH__))
1260     const char *fmt = "open '%s'";
1261     const size_t len = strlen(fmt) + strlen(url) + 16;
1262     char *buf = new char[len];
1263     snprintf(buf, len, fmt, url);
1264     system(buf);
1265     delete[] buf;
1266
1267 #elif PLATFORM_LINUX
1268     const char *fmt = "PATH=$PATH:. xdg-open '%s'";
1269     const size_t len = strlen(fmt) + strlen(url) + 16;
1270     char *buf = new char[len];
1271     snprintf(buf, len, fmt, url);
1272     system(buf);
1273     delete[] buf;
1274 #endif
1275 }
1276
1277
1278 #ifndef WIN32
1279 // (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
1280 static char *findBinaryInPath(const char *bin, char *envr)
1281 {
1282     size_t alloc_size = 0;
1283     char *exe = NULL;
1284     char *start = envr;
1285     char *ptr;
1286
1287     do
1288     {
1289         size_t size;
1290         ptr = strchr(start, ':');  /* find next $PATH separator. */
1291         if (ptr)
1292             *ptr = '\0';
1293
1294         size = strlen(start) + strlen(bin) + 2;
1295         if (size > alloc_size)
1296         {
1297             char *x = (char *) realloc(exe, size);
1298             if (x == NULL)
1299             {
1300                 if (exe != NULL)
1301                     free(exe);
1302                 return(NULL);
1303             } /* if */
1304
1305             alloc_size = size;
1306             exe = x;
1307         } /* if */
1308
1309         /* build full binary path... */
1310         strcpy(exe, start);
1311         if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
1312             strcat(exe, "/");
1313         strcat(exe, bin);
1314
1315         if (access(exe, X_OK) == 0)  /* Exists as executable? We're done. */
1316         {
1317             strcpy(exe, start);  /* i'm lazy. piss off. */
1318             return(exe);
1319         } /* if */
1320
1321         start = ptr + 1;  /* start points to beginning of next element. */
1322     } while (ptr != NULL);
1323
1324     if (exe != NULL)
1325         free(exe);
1326
1327     return(NULL);  /* doesn't exist in path. */
1328 } /* findBinaryInPath */
1329
1330
1331 char *calcBaseDir(const char *argv0)
1332 {
1333     /* If there isn't a path on argv0, then look through the $PATH for it. */
1334     char *retval;
1335     char *envr;
1336
1337     const char *ptr = strrchr((char *)argv0, '/');
1338     if (strchr(argv0, '/'))
1339     {
1340         retval = strdup(argv0);
1341         if (retval)
1342             *((char *) strrchr(retval, '/')) = '\0';
1343         return(retval);
1344     }
1345
1346     envr = getenv("PATH");
1347     if (!envr) return NULL;
1348     envr = strdup(envr);
1349     if (!envr) return NULL;
1350     retval = findBinaryInPath(argv0, envr);
1351     free(envr);
1352     return(retval);
1353 }
1354
1355 static inline void chdirToAppPath(const char *argv0)
1356 {
1357     char *dir = calcBaseDir(argv0);
1358     if (dir)
1359     {
1360         #if (defined(__APPLE__) && defined(__MACH__))
1361         // Chop off /Contents/MacOS if it's at the end of the string, so we
1362         //  land in the base of the app bundle.
1363         const size_t len = strlen(dir);
1364         const char *bundledirs = "/Contents/MacOS";
1365         const size_t bundledirslen = strlen(bundledirs);
1366         if (len > bundledirslen)
1367         {
1368             char *ptr = (dir + len) - bundledirslen;
1369             if (strcasecmp(ptr, bundledirs) == 0)
1370                 *ptr = '\0';
1371         }
1372         #endif
1373         chdir(dir);
1374         free(dir);
1375     }
1376 }
1377 #endif
1378
1379
1380 int main(int argc, char **argv)
1381 {
1382 #ifndef __MINGW32__
1383     _argc = argc;
1384     _argv = argv;
1385 #endif
1386
1387     // !!! FIXME: we could use a Win32 API for this.  --ryan.
1388 #ifndef WIN32
1389     chdirToAppPath(argv[0]);
1390 #endif
1391
1392         LOGFUNC;
1393
1394         memset( &g_theKeys, 0, sizeof( KeyMap));
1395
1396     initSDLKeyTable();
1397
1398         try
1399         {
1400                 bool regnow = false;
1401                 {
1402                         Game game;
1403                         pgame = &game;
1404
1405                         //ofstream os("error.txt");
1406                         //os.close();
1407                         //ofstream os("log.txt");
1408                         //os.close();
1409
1410                         if (!SetUp (game))
1411                 return 42;
1412
1413                         while (!gDone&&!game.quit&&(!game.tryquit))
1414                         {
1415                                 if (IsFocused())
1416                                 {
1417                                         gameFocused = true;
1418
1419                                         // check windows messages
1420
1421                                         game.deltah = 0;
1422                                         game.deltav = 0;
1423                                         SDL_Event e;
1424                                         // message pump
1425                                         while( SDL_PollEvent( &e ) )
1426                                         {
1427                                                 if( e.type == SDL_QUIT )
1428                                                 {
1429                                                         gDone=true;
1430                                                         break;
1431                                                 }
1432                                                 sdlEventProc(e, game);
1433                                         }
1434
1435
1436                                         // game
1437                                         DoUpdate(game);
1438                                 }
1439                                 else
1440                                 {
1441                                         if (gameFocused)
1442                                         {
1443                                                 // allow game chance to pause
1444                                                 gameFocused = false;
1445                                                 DoUpdate(game);
1446                                         }
1447
1448                                         // game is not in focus, give CPU time to other apps by waiting for messages instead of 'peeking'
1449                     STUBBED("give up CPU but sniff the event queue");
1450                                 }
1451                         }
1452
1453                         regnow = game.registernow;
1454                 }
1455                 pgame = 0;
1456
1457                 CleanUp ();
1458 //              if(game.registernow){
1459                 if(regnow)
1460                 {
1461             #if (defined(__APPLE__) && defined(__MACH__))
1462             launch_web_browser("http://www.wolfire.com/purchase/lugaru/mac");
1463             #elif PLATFORM_LINUX
1464             launch_web_browser("http://www.wolfire.com/purchase/lugaru/linux");
1465             #else
1466             launch_web_browser("http://www.wolfire.com/purchase/lugaru/pc");
1467             #endif
1468                 }
1469
1470         #if PLATFORM_LINUX  // (this may not be necessary any more.)
1471         _exit(0);  // !!! FIXME: hack...crashes on exit!
1472         #endif
1473                 return 0;
1474         }
1475         catch (const std::exception& error)
1476         {
1477                 CleanUp();
1478
1479                 std::string e = "Caught exception: ";
1480                 e += error.what();
1481
1482                 LOG(e);
1483
1484                 MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
1485         }
1486
1487         CleanUp();
1488
1489         return -1;
1490 }
1491
1492
1493
1494         // --------------------------------------------------------------------------
1495
1496
1497
1498         bool selectDetail(int & width, int & height, int & bpp, int & detail)
1499         {
1500                 bool res = true;
1501
1502                 // currently with SDL, we just use whatever is requested
1503                 //  and don't care.  --ryan.
1504
1505
1506                 return res;
1507         }
1508
1509         extern int channels[100];
1510         extern OPENAL_SAMPLE * samp[100];
1511         extern OPENAL_STREAM * strm[20];
1512
1513         extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1514         {
1515                 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1516                 if (currSample && currSample == samp[chan])
1517                 {
1518                         if (OPENAL_GetPaused(channels[chan]))
1519                         {
1520                                 OPENAL_StopSound(channels[chan]);
1521                                 channels[chan] = OPENAL_FREE;
1522                         }
1523                         else if (OPENAL_IsPlaying(channels[chan]))
1524                         {
1525                                 int loop_mode = OPENAL_GetLoopMode(channels[chan]);
1526                                 if (loop_mode & OPENAL_LOOP_OFF)
1527                                 {
1528                                         channels[chan] = OPENAL_FREE;
1529                                 }
1530                         }
1531                 }
1532                 else
1533                 {
1534                         channels[chan] = OPENAL_FREE;
1535                 }
1536
1537                 channels[chan] = OPENAL_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
1538                 if (channels[chan] < 0)
1539                 {
1540                         channels[chan] = OPENAL_PlaySoundEx(OPENAL_FREE, sptr, dsp, startpaused);
1541                 }
1542         }
1543
1544         extern "C" void PlayStreamEx(int chan, OPENAL_STREAM *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1545         {
1546                 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1547                 if (currSample && currSample == OPENAL_Stream_GetSample(sptr))
1548                 {
1549                                 OPENAL_StopSound(channels[chan]);
1550                                 OPENAL_Stream_Stop(sptr);
1551                 }
1552                 else
1553                 {
1554                         OPENAL_Stream_Stop(sptr);
1555                         channels[chan] = OPENAL_FREE;
1556                 }
1557
1558                 channels[chan] = OPENAL_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
1559                 if (channels[chan] < 0)
1560                 {
1561                         channels[chan] = OPENAL_Stream_PlayEx(OPENAL_FREE, sptr, dsp, startpaused);
1562                 }
1563         }
1564
1565
1566         bool LoadImage(const char * fname, TGAImageRec & tex)
1567         {
1568                 bool res = true;
1569
1570                 if ( tex.data == NULL )
1571                 {
1572                         return false;
1573                 }
1574
1575
1576         res = load_image(fname, tex);
1577
1578
1579                 return res;
1580         }
1581
1582         void ScreenShot(const char * fname)
1583         {
1584
1585         save_image(fname);
1586
1587         }
1588
1589
1590
1591 static bool load_image(const char *file_name, TGAImageRec &tex)
1592 {
1593     const char *ptr = strrchr((char *)file_name, '.');
1594     if (ptr)
1595     {
1596         if (strcasecmp(ptr+1, "png") == 0)
1597             return load_png(file_name, tex);
1598         else if (strcasecmp(ptr+1, "jpg") == 0)
1599             return load_jpg(file_name, tex);
1600     }
1601
1602     STUBBED("Unsupported image type");
1603     return false;
1604 }
1605
1606
1607 struct my_error_mgr {
1608   struct jpeg_error_mgr pub;    /* "public" fields */
1609   jmp_buf setjmp_buffer;        /* for return to caller */
1610 };
1611 typedef struct my_error_mgr * my_error_ptr;
1612
1613
1614 static void my_error_exit(j_common_ptr cinfo)
1615 {
1616         struct my_error_mgr *err = (struct my_error_mgr *)cinfo->err;
1617         longjmp(err->setjmp_buffer, 1);
1618 }
1619
1620 /* stolen from public domain example.c code in libjpg distribution. */
1621 static bool load_jpg(const char *file_name, TGAImageRec &tex)
1622 {
1623     struct jpeg_decompress_struct cinfo;
1624     struct my_error_mgr jerr;
1625     JSAMPROW buffer[1];         /* Output row buffer */
1626     int row_stride;             /* physical row width in output buffer */
1627     FILE *infile = fopen(file_name, "rb");
1628
1629     if (infile == NULL)
1630         return false;
1631
1632     cinfo.err = jpeg_std_error(&jerr.pub);
1633     jerr.pub.error_exit = my_error_exit;
1634     if (setjmp(jerr.setjmp_buffer)) {
1635         jpeg_destroy_decompress(&cinfo);
1636         fclose(infile);
1637         return false;
1638     }
1639
1640     jpeg_create_decompress(&cinfo);
1641     jpeg_stdio_src(&cinfo, infile);
1642     (void) jpeg_read_header(&cinfo, TRUE);
1643
1644     cinfo.out_color_space = JCS_RGB;
1645     cinfo.quantize_colors = 0;
1646     (void) jpeg_calc_output_dimensions(&cinfo);
1647     (void) jpeg_start_decompress(&cinfo);
1648
1649     row_stride = cinfo.output_width * cinfo.output_components;
1650     tex.sizeX = cinfo.output_width;
1651     tex.sizeY = cinfo.output_height;
1652     tex.bpp = 24;
1653
1654     while (cinfo.output_scanline < cinfo.output_height) {
1655         buffer[0] = (JSAMPROW)(char *)tex.data +
1656                         ((cinfo.output_height-1) - cinfo.output_scanline) * row_stride;
1657         (void) jpeg_read_scanlines(&cinfo, buffer, 1);
1658     }
1659
1660     (void) jpeg_finish_decompress(&cinfo);
1661     jpeg_destroy_decompress(&cinfo);
1662     fclose(infile);
1663
1664     return true;
1665 }
1666
1667
1668 /* stolen from public domain example.c code in libpng distribution. */
1669 static bool load_png(const char *file_name, TGAImageRec &tex)
1670 {
1671     bool hasalpha = false;
1672     png_structp png_ptr = NULL;
1673     png_infop info_ptr = NULL;
1674     png_uint_32 width, height;
1675     int bit_depth, color_type, interlace_type;
1676     png_byte **rows = NULL;
1677     bool retval = false;
1678     png_byte **row_pointers = NULL;
1679     FILE *fp = fopen(file_name, "rb");
1680
1681     if (fp == NULL)
1682         return(NULL);
1683
1684     png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1685     if (png_ptr == NULL)
1686         goto png_done;
1687
1688     info_ptr = png_create_info_struct(png_ptr);
1689     if (info_ptr == NULL)
1690         goto png_done;
1691
1692     if (setjmp(png_jmpbuf(png_ptr)))
1693         goto png_done;
1694
1695     png_init_io(png_ptr, fp);
1696     png_read_png(png_ptr, info_ptr,
1697                  PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_PACKING,
1698                  NULL);
1699     png_get_IHDR(png_ptr, info_ptr, &width, &height,
1700                  &bit_depth, &color_type, &interlace_type, NULL, NULL);
1701
1702     if (bit_depth != 8)  // transform SHOULD handle this...
1703         goto png_done;
1704
1705     if (color_type & PNG_COLOR_MASK_PALETTE)  // !!! FIXME?
1706         goto png_done;
1707
1708     if ((color_type & PNG_COLOR_MASK_COLOR) == 0)  // !!! FIXME?
1709         goto png_done;
1710
1711     hasalpha = ((color_type & PNG_COLOR_MASK_ALPHA) != 0);
1712     row_pointers = png_get_rows(png_ptr, info_ptr);
1713     if (!row_pointers)
1714         goto png_done;
1715
1716     if (!hasalpha)
1717     {
1718         png_byte *dst = tex.data;
1719         for (int i = height-1; i >= 0; i--)
1720         {
1721             png_byte *src = row_pointers[i];
1722             for (int j = 0; j < width; j++)
1723             {
1724                 dst[0] = src[0];
1725                 dst[1] = src[1];
1726                 dst[2] = src[2];
1727                 dst[3] = 0xFF;
1728                 src += 3;
1729                 dst += 4;
1730             }
1731         }
1732     }
1733
1734     else
1735     {
1736         png_byte *dst = tex.data;
1737         int pitch = width * 4;
1738         for (int i = height-1; i >= 0; i--, dst += pitch)
1739             memcpy(dst, row_pointers[i], pitch);
1740     }
1741
1742     tex.sizeX = width;
1743     tex.sizeY = height;
1744     tex.bpp = 32;
1745     retval = true;
1746
1747 png_done:
1748     png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
1749     if (fp)
1750         fclose(fp);
1751     return (retval);
1752 }
1753
1754
1755 static bool save_image(const char *file_name)
1756 {
1757     const char *ptr = strrchr((char *)file_name, '.');
1758     if (ptr)
1759     {
1760         if (strcasecmp(ptr+1, "png") == 0)
1761             return save_png(file_name);
1762     }
1763
1764     STUBBED("Unsupported image type");
1765     return false;
1766 }
1767
1768
1769 static bool save_png(const char *file_name)
1770 {
1771     FILE *fp = NULL;
1772     png_structp png_ptr = NULL;
1773     png_infop info_ptr = NULL;
1774     bool retval = false;
1775
1776     fp = fopen(file_name, "wb");
1777     if (fp == NULL)
1778         return false;
1779
1780     png_bytep *row_pointers = new png_bytep[kContextHeight];
1781     png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];
1782     if ((!screenshot) || (!row_pointers))
1783         goto save_png_done;
1784
1785     glGetError();
1786     glReadPixels(0, 0, kContextWidth, kContextHeight,
1787                  GL_RGB, GL_UNSIGNED_BYTE, screenshot);
1788     if (glGetError() != GL_NO_ERROR)
1789         goto save_png_done;
1790
1791     for (int i = 0; i < kContextHeight; i++)
1792         row_pointers[i] = screenshot + ((kContextWidth * ((kContextHeight-1) - i)) * 3);
1793
1794     png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1795     if (png_ptr == NULL)
1796         goto save_png_done;
1797
1798     info_ptr = png_create_info_struct(png_ptr);
1799     if (info_ptr == NULL)
1800         goto save_png_done;
1801
1802     if (setjmp(png_jmpbuf(png_ptr)))
1803         goto save_png_done;
1804
1805     png_init_io(png_ptr, fp);
1806
1807     if (setjmp(png_jmpbuf(png_ptr)))
1808         goto save_png_done;
1809
1810     png_set_IHDR(png_ptr, info_ptr, kContextWidth, kContextHeight,
1811                  8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
1812                  PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
1813
1814     png_write_info(png_ptr, info_ptr);
1815
1816     if (setjmp(png_jmpbuf(png_ptr)))
1817         goto save_png_done;
1818
1819         png_write_image(png_ptr, row_pointers);
1820
1821         if (setjmp(png_jmpbuf(png_ptr)))
1822         goto save_png_done;
1823
1824     png_write_end(png_ptr, NULL);
1825     retval = true;
1826
1827 save_png_done:
1828     png_destroy_write_struct(&png_ptr, &info_ptr);
1829     delete[] screenshot;
1830     delete[] row_pointers;
1831     if (fp)
1832         fclose(fp);
1833     if (!retval)
1834         unlink(ConvertFileName(file_name));
1835     return retval;
1836 }
1837
1838
1839