2 Copyright (C) 2003, 2010 - Wolfire Games
4 This file is part of Lugaru.
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.
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.
15 See the GNU General Public License for more details.
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.
23 #define UINT8 WIN32API_UINT8
24 #define UINT16 WIN32API_UINT16
25 #define boolean WIN32API_boolean
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);
63 #pragma comment(lib, "opengl32.lib")
64 #pragma comment(lib, "glu32.lib")
65 #pragma comment(lib, "glaux.lib")
68 extern bool buttons[3];
69 extern float multiplier;
70 extern float screenwidth,screenheight;
72 extern float realmultiplier;
74 extern bool ismotionblur;
75 extern float usermousesensitivity;
77 extern bool floatjump;
78 extern bool cellophane;
80 //extern int terraindetail;
81 //extern int texdetail;
82 extern float terraindetail;
83 extern float texdetail;
84 extern int bloodtoggle;
86 extern bool autoslomo;
88 extern bool musictoggle;
89 extern bool trilinear;
90 extern float gamespeed;
91 extern int difficulty;
92 extern bool damageeffects;
93 extern int numplayers;
95 extern bool invertmouse;
96 extern bool texttoggle;
97 extern bool ambientsound;
98 extern bool mousejump;
100 extern Person player[maxplayers];
102 extern bool stillloading;
103 extern bool showpoints;
104 extern bool alwaysblur;
105 extern bool immediate;
106 extern bool velocityblur;
107 extern bool debugmode;
109 /*extern*/ bool gameFocused;
110 extern int kBitsPerPixel;
111 extern float slomospeed;
112 extern float slomofreq;
113 extern float oldgamespeed;
122 #include "MacCompatibility.h"
125 #include <shellapi.h>
130 #include "res/resource.h"
136 SDL_Rect **resolutions = NULL;
137 static SDL_Rect rect_1024_768 = { 0, 0, 1024, 768 };
138 static SDL_Rect rect_800_600 = { 0, 0, 800, 600 };
139 static SDL_Rect rect_640_480 = { 0, 0, 640, 480 };
140 static SDL_Rect *hardcoded_resolutions[] = {
149 unsigned int resolutionDepths[8][2] = {0};
151 bool selectDetail(int & width, int & height, int & bpp, int & detail);
152 int closestResolution(int width, int height);
153 int resolutionID(int width, int height);
155 void ReportError (char * strError);
157 void SetupDSpFullScreen();
160 void DrawGL(Game & game);
162 void CreateGLWindow (void);
163 Boolean SetUp (Game & game);
164 void DoKey (SInt8 theKey, SInt8 theCode);
165 void DoUpdate (Game & game);
171 // statics/globals (internal only) ------------------------------------------
173 typedef struct tagPOINT {
182 #pragma warning(push)
183 #pragma warning(disable: 4273)
186 #define GL_FUNC(ret,fn,params,call,rt) \
188 static ret (GLAPIENTRY *p##fn) params = NULL; \
189 ret GLAPIENTRY fn params { rt p##fn call; } \
198 static bool lookup_glsym(const char *funcname, void **func)
200 *func = SDL_GL_GetProcAddress(funcname);
203 fprintf(stderr, "Failed to find OpenGL symbol \"%s\"\n", funcname);
209 static bool lookup_all_glsyms(void)
212 #define GL_FUNC(ret,fn,params,call,rt) \
213 if (!lookup_glsym(#fn, (void **) &p##fn)) retval = false;
219 static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textures)
226 void sdlGetCursorPos(POINT *pt)
229 SDL_GetMouseState(&x, &y);
233 #define GetCursorPos(x) sdlGetCursorPos(x)
234 #define SetCursorPos(x, y) SDL_WarpMouse(x, y)
235 #define ScreenToClient(x, pt)
236 #define ClientToScreen(x, pt)
240 #define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
245 static bool g_button, fullscreen = true;
256 kForegroundSleep = 10,
257 kBackgroundSleep = 10000
264 const RGBColor rgbBlack = { 0x0000, 0x0000, 0x0000 };
267 char gcstrMode [256] = "";
269 UInt32 gSleepTime = kForegroundSleep;
270 Boolean gDone = false, gfFrontProcess = true;
275 static int _argc = 0;
276 static char **_argv = NULL;
279 bool cmdline(const char *cmd)
281 for (int i = 1; i < _argc; i++)
283 char *arg = _argv[i];
286 if (stricmp(arg, cmd) == 0)
294 // --------------------------------------------------------------------------
296 void ReportError (char * strError)
298 #ifdef _MSC_VER // !!! FIXME. --ryan.
299 throw std::exception( strError);
302 /* char errMsgCStr [256];
305 sprintf (errMsgCStr, "%s", strError);
307 // out as debug string
308 CToPStr (strErr, errMsgCStr);
313 void SetupDSpFullScreen ()
323 //-----------------------------------------------------------------------------------------------------------------------
327 void DrawGL (Game & game)
333 static KeyMap g_theKeys;
335 void SetKey( int key)
337 g_theKeys[ key >> 3] |= (1 << (key & 7));
340 void ClearKey( int key)
342 g_theKeys[ key >> 3] &= (0xff ^ (1 << (key & 7)));
345 void GetKeys( unsigned char theKeys[16])
347 memcpy( theKeys, &g_theKeys, 16);
356 static void initSDLKeyTable(void) {}
358 #define MAX_SDLKEYS SDLK_LAST
359 static unsigned short KeyTable[MAX_SDLKEYS];
361 static void initSDLKeyTable(void)
363 memset(KeyTable, 0xFF, sizeof (KeyTable));
364 KeyTable[SDLK_BACKSPACE] = MAC_DELETE_KEY;
365 KeyTable[SDLK_TAB] = MAC_TAB_KEY;
366 KeyTable[SDLK_RETURN] = MAC_RETURN_KEY;
367 KeyTable[SDLK_ESCAPE] = MAC_ESCAPE_KEY;
368 KeyTable[SDLK_SPACE] = MAC_SPACE_KEY;
369 KeyTable[SDLK_PAGEUP] = MAC_PAGE_UP_KEY;
370 KeyTable[SDLK_PAGEDOWN] = MAC_PAGE_DOWN_KEY;
371 KeyTable[SDLK_END] = MAC_END_KEY;
372 KeyTable[SDLK_HOME] = MAC_HOME_KEY;
373 KeyTable[SDLK_LEFT] = MAC_ARROW_LEFT_KEY;
374 KeyTable[SDLK_UP] = MAC_ARROW_UP_KEY;
375 KeyTable[SDLK_RIGHT] = MAC_ARROW_RIGHT_KEY;
376 KeyTable[SDLK_DOWN] = MAC_ARROW_DOWN_KEY;
377 KeyTable[SDLK_INSERT] = MAC_INSERT_KEY;
378 KeyTable[SDLK_DELETE] = MAC_DEL_KEY;
379 KeyTable[SDLK_0] = MAC_0_KEY;
380 KeyTable[SDLK_1] = MAC_1_KEY;
381 KeyTable[SDLK_2] = MAC_2_KEY;
382 KeyTable[SDLK_3] = MAC_3_KEY;
383 KeyTable[SDLK_4] = MAC_4_KEY;
384 KeyTable[SDLK_5] = MAC_5_KEY;
385 KeyTable[SDLK_6] = MAC_6_KEY;
386 KeyTable[SDLK_7] = MAC_7_KEY;
387 KeyTable[SDLK_8] = MAC_8_KEY;
388 KeyTable[SDLK_9] = MAC_9_KEY;
389 KeyTable[SDLK_a] = MAC_A_KEY;
390 KeyTable[SDLK_b] = MAC_B_KEY;
391 KeyTable[SDLK_c] = MAC_C_KEY;
392 KeyTable[SDLK_d] = MAC_D_KEY;
393 KeyTable[SDLK_e] = MAC_E_KEY;
394 KeyTable[SDLK_f] = MAC_F_KEY;
395 KeyTable[SDLK_g] = MAC_G_KEY;
396 KeyTable[SDLK_h] = MAC_H_KEY;
397 KeyTable[SDLK_i] = MAC_I_KEY;
398 KeyTable[SDLK_j] = MAC_J_KEY;
399 KeyTable[SDLK_k] = MAC_K_KEY;
400 KeyTable[SDLK_l] = MAC_L_KEY;
401 KeyTable[SDLK_m] = MAC_M_KEY;
402 KeyTable[SDLK_n] = MAC_N_KEY;
403 KeyTable[SDLK_o] = MAC_O_KEY;
404 KeyTable[SDLK_p] = MAC_P_KEY;
405 KeyTable[SDLK_q] = MAC_Q_KEY;
406 KeyTable[SDLK_r] = MAC_R_KEY;
407 KeyTable[SDLK_s] = MAC_S_KEY;
408 KeyTable[SDLK_t] = MAC_T_KEY;
409 KeyTable[SDLK_u] = MAC_U_KEY;
410 KeyTable[SDLK_v] = MAC_V_KEY;
411 KeyTable[SDLK_w] = MAC_W_KEY;
412 KeyTable[SDLK_x] = MAC_X_KEY;
413 KeyTable[SDLK_y] = MAC_Y_KEY;
414 KeyTable[SDLK_z] = MAC_Z_KEY;
415 KeyTable[SDLK_KP0] = MAC_NUMPAD_0_KEY;
416 KeyTable[SDLK_KP1] = MAC_NUMPAD_1_KEY;
417 KeyTable[SDLK_KP2] = MAC_NUMPAD_2_KEY;
418 KeyTable[SDLK_KP3] = MAC_NUMPAD_3_KEY;
419 KeyTable[SDLK_KP4] = MAC_NUMPAD_4_KEY;
420 KeyTable[SDLK_KP5] = MAC_NUMPAD_5_KEY;
421 KeyTable[SDLK_KP6] = MAC_NUMPAD_6_KEY;
422 KeyTable[SDLK_KP7] = MAC_NUMPAD_7_KEY;
423 KeyTable[SDLK_KP8] = MAC_NUMPAD_8_KEY;
424 KeyTable[SDLK_KP9] = MAC_NUMPAD_9_KEY;
425 KeyTable[SDLK_KP_MULTIPLY] = MAC_NUMPAD_ASTERISK_KEY;
426 KeyTable[SDLK_KP_PLUS] = MAC_NUMPAD_PLUS_KEY;
427 KeyTable[SDLK_KP_ENTER] = MAC_NUMPAD_ENTER_KEY;
428 KeyTable[SDLK_KP_MINUS] = MAC_NUMPAD_MINUS_KEY;
429 KeyTable[SDLK_KP_PERIOD] = MAC_NUMPAD_PERIOD_KEY;
430 KeyTable[SDLK_KP_DIVIDE] = MAC_NUMPAD_SLASH_KEY;
431 KeyTable[SDLK_F1] = MAC_F1_KEY;
432 KeyTable[SDLK_F2] = MAC_F2_KEY;
433 KeyTable[SDLK_F3] = MAC_F3_KEY;
434 KeyTable[SDLK_F4] = MAC_F4_KEY;
435 KeyTable[SDLK_F5] = MAC_F5_KEY;
436 KeyTable[SDLK_F6] = MAC_F6_KEY;
437 KeyTable[SDLK_F7] = MAC_F7_KEY;
438 KeyTable[SDLK_F8] = MAC_F8_KEY;
439 KeyTable[SDLK_F9] = MAC_F9_KEY;
440 KeyTable[SDLK_F10] = MAC_F10_KEY;
441 KeyTable[SDLK_F11] = MAC_F11_KEY;
442 KeyTable[SDLK_F12] = MAC_F12_KEY;
443 KeyTable[SDLK_SEMICOLON] = MAC_SEMICOLON_KEY;
444 KeyTable[SDLK_PLUS] = MAC_PLUS_KEY;
445 KeyTable[SDLK_COMMA] = MAC_COMMA_KEY;
446 KeyTable[SDLK_MINUS] = MAC_MINUS_KEY;
447 KeyTable[SDLK_PERIOD] = MAC_PERIOD_KEY;
448 KeyTable[SDLK_SLASH] = MAC_SLASH_KEY;
449 KeyTable[SDLK_BACKQUOTE] = MAC_TILDE_KEY;
450 KeyTable[SDLK_LEFTBRACKET] = MAC_LEFTBRACKET_KEY;
451 KeyTable[SDLK_BACKSLASH] = MAC_BACKSLASH_KEY;
452 KeyTable[SDLK_RIGHTBRACKET] = MAC_RIGHTBRACKET_KEY;
453 KeyTable[SDLK_QUOTE] = MAC_APOSTROPHE_KEY;
456 static inline int clamp_sdl_mouse_button(Uint8 button)
458 if (button == 2) // right mouse button is button 3 in SDL.
460 else if (button == 3)
463 if ((button >= 1) && (button <= 3))
468 static void sdlEventProc(const SDL_Event &e, Game &game)
471 bool skipkey = false;
476 case SDL_MOUSEMOTION:
477 game.deltah += e.motion.xrel;
478 game.deltav += e.motion.yrel;
481 case SDL_MOUSEBUTTONDOWN:
483 val = clamp_sdl_mouse_button(e.button.button);
484 if ((val >= 0) && (val <= 2))
493 case SDL_MOUSEBUTTONUP:
495 val = clamp_sdl_mouse_button(e.button.button);
496 if ((val >= 0) && (val <= 2))
500 buttons[val] = false;
506 if (e.key.keysym.sym == SDLK_g)
508 if (e.key.keysym.mod & KMOD_CTRL)
511 SDL_GrabMode mode = SDL_GRAB_ON;
512 if ((SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) == 0)
514 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
515 mode = (mode==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON;
517 SDL_WM_GrabInput(mode);
521 else if (e.key.keysym.sym == SDLK_RETURN)
523 if (e.key.keysym.mod & KMOD_ALT)
526 SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
530 if ((!skipkey) && (e.key.keysym.sym < SDLK_LAST))
532 if (KeyTable[e.key.keysym.sym] != 0xffff)
533 SetKey(KeyTable[e.key.keysym.sym]);
536 mod = SDL_GetModState();
538 SetKey(MAC_CONTROL_KEY);
540 SetKey(MAC_OPTION_KEY);
542 SetKey(MAC_COMMAND_KEY);
543 if (mod & KMOD_SHIFT)
544 SetKey(MAC_SHIFT_KEY);
546 SetKey(MAC_CAPS_LOCK_KEY);
551 if (e.key.keysym.sym < SDLK_LAST)
553 if (KeyTable[e.key.keysym.sym] != 0xffff)
554 ClearKey(KeyTable[e.key.keysym.sym]);
557 mod = SDL_GetModState();
558 if ((mod & KMOD_CTRL) == 0)
559 ClearKey(MAC_CONTROL_KEY);
560 if ((mod & KMOD_ALT) == 0)
561 ClearKey(MAC_OPTION_KEY);
562 if ((mod & KMOD_META) == 0)
563 ClearKey(MAC_COMMAND_KEY);
564 if ((mod & KMOD_SHIFT) == 0)
565 ClearKey(MAC_SHIFT_KEY);
566 if ((mod & KMOD_CAPS) == 0)
567 ClearKey(MAC_CAPS_LOCK_KEY);
573 // --------------------------------------------------------------------------
575 static Point gMidPoint;
577 Boolean SetUp (Game & game)
583 randSeed = UpTime().lo;
586 ifstream ipstream(ConvertFileName(":Data:config.txt"), std::ios::in /*| std::ios::nocreate*/);
589 usermousesensitivity=1;
618 game.crouchkey=MAC_SHIFT_KEY;
619 game.jumpkey=MAC_SPACE_KEY;
620 game.leftkey=MAC_A_KEY;
621 game.forwardkey=MAC_W_KEY;
622 game.backkey=MAC_S_KEY;
623 game.rightkey=MAC_D_KEY;
624 game.drawkey=MAC_E_KEY;
625 game.throwkey=MAC_Q_KEY;
626 game.attackkey=MAC_MOUSEBUTTON1;
627 game.chatkey=MAC_T_KEY;
633 selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
636 ofstream opstream(ConvertFileName(":Data:config.txt", "w"));
637 opstream << "Screenwidth:\n";
638 opstream << kContextWidth;
639 opstream << "\nScreenheight:\n";
640 opstream << kContextHeight;
641 opstream << "\nMouse sensitivity:\n";
642 opstream << usermousesensitivity;
643 opstream << "\nBlur(0,1):\n";
644 opstream << ismotionblur;
645 opstream << "\nOverall Detail(0,1,2) higher=better:\n";
647 opstream << "\nFloating jump:\n";
648 opstream << floatjump;
649 opstream << "\nMouse jump:\n";
650 opstream << mousejump;
651 opstream << "\nAmbient sound:\n";
652 opstream << ambientsound;
653 opstream << "\nBlood (0,1,2):\n";
654 opstream << bloodtoggle;
655 opstream << "\nAuto slomo:\n";
656 opstream << autoslomo;
657 opstream << "\nFoliage:\n";
659 opstream << "\nMusic:\n";
660 opstream << musictoggle;
661 opstream << "\nTrilinear:\n";
662 opstream << trilinear;
663 opstream << "\nDecals(shadows,blood puddles,etc):\n";
665 opstream << "\nInvert mouse:\n";
666 opstream << invertmouse;
667 opstream << "\nGamespeed:\n";
668 opstream << gamespeed;
669 opstream << "\nDifficulty(0,1,2) higher=harder:\n";
670 opstream << difficulty;
671 opstream << "\nDamage effects(blackout, doublevision):\n";
672 opstream << damageeffects;
673 opstream << "\nText:\n";
674 opstream << texttoggle;
675 opstream << "\nDebug:\n";
676 opstream << debugmode;
677 opstream << "\nVBL Sync:\n";
679 opstream << "\nShow Points:\n";
680 opstream << showpoints;
681 opstream << "\nAlways Blur:\n";
682 opstream << alwaysblur;
683 opstream << "\nImmediate mode (turn on on G5):\n";
684 opstream << immediate;
685 opstream << "\nVelocity blur:\n";
686 opstream << velocityblur;
687 opstream << "\nVolume:\n";
689 opstream << "\nForward key:\n";
690 opstream << KeyToChar(game.forwardkey);
691 opstream << "\nBack key:\n";
692 opstream << KeyToChar(game.backkey);
693 opstream << "\nLeft key:\n";
694 opstream << KeyToChar(game.leftkey);
695 opstream << "\nRight key:\n";
696 opstream << KeyToChar(game.rightkey);
697 opstream << "\nJump key:\n";
698 opstream << KeyToChar(game.jumpkey);
699 opstream << "\nCrouch key:\n";
700 opstream << KeyToChar(game.crouchkey);
701 opstream << "\nDraw key:\n";
702 opstream << KeyToChar(game.drawkey);
703 opstream << "\nThrow key:\n";
704 opstream << KeyToChar(game.throwkey);
705 opstream << "\nAttack key:\n";
706 opstream << KeyToChar(game.attackkey);
707 opstream << "\nChat key:\n";
708 opstream << KeyToChar(game.chatkey);
713 ipstream.ignore(256,'\n');
714 ipstream >> kContextWidth;
715 ipstream.ignore(256,'\n');
716 ipstream.ignore(256,'\n');
717 ipstream >> kContextHeight;
718 ipstream.ignore(256,'\n');
719 ipstream.ignore(256,'\n');
720 ipstream >> usermousesensitivity;
721 ipstream.ignore(256,'\n');
722 ipstream.ignore(256,'\n');
724 ismotionblur = (i != 0);
725 ipstream.ignore(256,'\n');
726 ipstream.ignore(256,'\n');
728 if(detail!=0)kBitsPerPixel=32;
729 else kBitsPerPixel=16;
730 ipstream.ignore(256,'\n');
731 ipstream.ignore(256,'\n');
733 floatjump = (i != 0);
734 ipstream.ignore(256,'\n');
735 ipstream.ignore(256,'\n');
737 mousejump = (i != 0);
738 ipstream.ignore(256,'\n');
739 ipstream.ignore(256,'\n');
741 ambientsound = (i != 0);
742 ipstream.ignore(256,'\n');
743 ipstream.ignore(256,'\n');
744 ipstream >> bloodtoggle;
745 ipstream.ignore(256,'\n');
746 ipstream.ignore(256,'\n');
748 autoslomo = (i != 0);
749 ipstream.ignore(256,'\n');
750 ipstream.ignore(256,'\n');
753 ipstream.ignore(256,'\n');
754 ipstream.ignore(256,'\n');
756 musictoggle = (i != 0);
757 ipstream.ignore(256,'\n');
758 ipstream.ignore(256,'\n');
760 trilinear = (i != 0);
761 ipstream.ignore(256,'\n');
762 ipstream.ignore(256,'\n');
765 ipstream.ignore(256,'\n');
766 ipstream.ignore(256,'\n');
768 invertmouse = (i != 0);
769 ipstream.ignore(256,'\n');
770 ipstream.ignore(256,'\n');
771 ipstream >> gamespeed;
772 oldgamespeed=gamespeed;
777 ipstream.ignore(256,'\n');
778 ipstream.ignore(256,'\n');
779 ipstream >> difficulty;
780 ipstream.ignore(256,'\n');
781 ipstream.ignore(256,'\n');
783 damageeffects = (i != 0);
784 ipstream.ignore(256,'\n');
785 ipstream.ignore(256,'\n');
787 texttoggle = (i != 0);
788 ipstream.ignore(256,'\n');
789 ipstream.ignore(256,'\n');
791 debugmode = (i != 0);
792 ipstream.ignore(256,'\n');
793 ipstream.ignore(256,'\n');
796 ipstream.ignore(256,'\n');
797 ipstream.ignore(256,'\n');
799 showpoints = (i != 0);
800 ipstream.ignore(256,'\n');
801 ipstream.ignore(256,'\n');
803 alwaysblur = (i != 0);
804 ipstream.ignore(256,'\n');
805 ipstream.ignore(256,'\n');
807 immediate = (i != 0);
808 ipstream.ignore(256,'\n');
809 ipstream.ignore(256,'\n');
811 velocityblur = (i != 0);
812 ipstream.ignore(256,'\n');
813 ipstream.ignore(256,'\n');
815 ipstream.ignore(256,'\n');
816 ipstream.ignore(256,'\n');
818 game.forwardkey=CharToKey(string);
819 ipstream.ignore(256,'\n');
820 ipstream.ignore(256,'\n');
822 game.backkey=CharToKey(string);
823 ipstream.ignore(256,'\n');
824 ipstream.ignore(256,'\n');
826 game.leftkey=CharToKey(string);
827 ipstream.ignore(256,'\n');
828 ipstream.ignore(256,'\n');
830 game.rightkey=CharToKey(string);
831 ipstream.ignore(256,'\n');
832 ipstream.ignore(256,'\n');
834 game.jumpkey=CharToKey(string);
835 ipstream.ignore(256,'\n');
836 ipstream.ignore(256,'\n');
838 game.crouchkey=CharToKey(string);
839 ipstream.ignore(256,'\n');
840 ipstream.ignore(256,'\n');
842 game.drawkey=CharToKey(string);
843 ipstream.ignore(256,'\n');
844 ipstream.ignore(256,'\n');
846 game.throwkey=CharToKey(string);
847 ipstream.ignore(256,'\n');
848 ipstream.ignore(256,'\n');
850 game.attackkey=CharToKey(string);
851 ipstream.ignore(256,'\n');
852 ipstream.ignore(256,'\n');
854 game.chatkey=CharToKey(string);
857 if(detail>2)detail=2;
858 if(detail<0)detail=0;
859 if(screenwidth<0)screenwidth=640;
860 if(screenheight<0)screenheight=480;
861 #if !USE_SDL // we'll take anything that works.
862 if(screenwidth>3000)screenwidth=640;
863 if(screenheight>3000)screenheight=480;
866 if(kBitsPerPixel!=32&&kBitsPerPixel!=16){
871 selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
873 SetupDSpFullScreen();
876 if (!SDL_WasInit(SDL_INIT_VIDEO))
878 if (SDL_Init(SDL_INIT_VIDEO) == -1)
880 fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
884 if (SDL_GL_LoadLibrary(NULL) == -1)
886 fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
891 SDL_Rect **res = SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_OPENGL);
892 if ( (res == NULL) || (res == ((SDL_Rect **)-1)) || (res[0] == NULL) || (res[0]->w < 640) || (res[0]->h < 480) )
893 res = hardcoded_resolutions;
895 // reverse list (it was sorted biggest to smallest by SDL)...
897 for (count = 0; res[count]; count++)
899 if ((res[count]->w < 640) || (res[count]->h < 480))
900 break; // sane lower limit.
903 static SDL_Rect *resolutions_block = NULL;
904 resolutions_block = (SDL_Rect*) realloc(resolutions_block, sizeof (SDL_Rect) * count);
905 resolutions = (SDL_Rect**) realloc(resolutions, sizeof (SDL_Rect *) * (count + 1));
906 if ((resolutions_block == NULL) || (resolutions == NULL))
909 fprintf(stderr, "Out of memory!\n");
913 resolutions[count--] = NULL;
914 for (int i = 0; count >= 0; i++, count--)
916 memcpy(&resolutions_block[count], res[i], sizeof (SDL_Rect));
917 resolutions[count] = &resolutions_block[count];
920 if (cmdline("showresolutions"))
922 printf("Resolutions we think are okay:\n");
923 for (int i = 0; resolutions[i]; i++)
924 printf(" %d x %d\n", (int) resolutions[i]->w, (int) resolutions[i]->h);
928 Uint32 sdlflags = SDL_OPENGL;
929 if (!cmdline("windowed"))
930 sdlflags |= SDL_FULLSCREEN;
932 SDL_WM_SetCaption("Lugaru", "Lugaru");
936 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
938 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
940 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
941 fprintf(stderr, "forcing 640x480...\n");
943 kContextHeight = 480;
944 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
946 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
947 fprintf(stderr, "forcing 640x480 windowed mode...\n");
948 sdlflags &= ~SDL_FULLSCREEN;
949 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
951 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
958 if ((SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &dblbuf) == -1) || (!dblbuf))
960 fprintf(stderr, "Failed to get double buffered GL context!\n");
965 if (!lookup_all_glsyms())
971 if (!cmdline("nomousegrab"))
972 SDL_WM_GrabInput(SDL_GRAB_ON);
975 glClear( GL_COLOR_BUFFER_BIT );
979 glDisable( GL_ALPHA_TEST);
980 glDisable( GL_BLEND);
981 glDisable( GL_DEPTH_TEST);
982 // glDisable( GL_DITHER);
984 glDisable( GL_LIGHTING);
985 glDisable( GL_LOGIC_OP);
986 glDisable( GL_STENCIL_TEST);
987 glDisable( GL_TEXTURE_1D);
988 glDisable( GL_TEXTURE_2D);
989 glPixelTransferi( GL_MAP_COLOR, GL_FALSE);
990 glPixelTransferi( GL_RED_SCALE, 1);
991 glPixelTransferi( GL_RED_BIAS, 0);
992 glPixelTransferi( GL_GREEN_SCALE, 1);
993 glPixelTransferi( GL_GREEN_BIAS, 0);
994 glPixelTransferi( GL_BLUE_SCALE, 1);
995 glPixelTransferi( GL_BLUE_BIAS, 0);
996 glPixelTransferi( GL_ALPHA_SCALE, 1);
997 glPixelTransferi( GL_ALPHA_BIAS, 0);
999 // set initial rendering states
1000 glShadeModel( GL_SMOOTH);
1001 glClearDepth( 1.0f);
1002 glDepthFunc( GL_LEQUAL);
1003 glDepthMask( GL_TRUE);
1004 // glDepthRange( FRONT_CLIP, BACK_CLIP);
1005 glEnable( GL_DEPTH_TEST);
1006 glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
1007 glCullFace( GL_FRONT);
1008 glEnable( GL_CULL_FACE);
1009 glEnable( GL_LIGHTING);
1010 // glEnable( GL_LIGHT_MODEL_AMBIENT);
1011 glEnable( GL_DITHER);
1012 glEnable( GL_COLOR_MATERIAL);
1013 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1014 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1015 glAlphaFunc( GL_GREATER, 0.5f);
1018 if (ilGetInteger(IL_VERSION_NUM) < IL_VERSION ||
1019 iluGetInteger(ILU_VERSION_NUM) < ILU_VERSION ||
1020 ilutGetInteger(ILUT_VERSION_NUM) < ILUT_VERSION)
1022 ReportError("DevIL version is different...exiting!\n");
1030 ilutRenderer(ILUT_OPENGL);
1032 ilEnable(IL_ORIGIN_SET);
1033 ilOriginFunc(IL_ORIGIN_LOWER_LEFT);
1036 GLint width = kContextWidth;
1037 GLint height = kContextHeight;
1038 gMidPoint.h = width / 2;
1039 gMidPoint.v = height / 2;
1041 screenheight=height;
1043 game.newdetail=detail;
1044 game.newscreenwidth=screenwidth;
1045 game.newscreenheight=screenheight;
1053 static void DoMouse(Game & game)
1056 if(mainmenu||(abs(game.deltah)<10*realmultiplier*1000&&abs(game.deltav)<10*realmultiplier*1000))
1058 game.deltah *= usermousesensitivity;
1059 game.deltav *= usermousesensitivity;
1060 game.mousecoordh += game.deltah;
1061 game.mousecoordv += game.deltav;
1062 if (game.mousecoordh < 0)
1063 game.mousecoordh = 0;
1064 else if (game.mousecoordh >= kContextWidth)
1065 game.mousecoordh = kContextWidth - 1;
1066 if (game.mousecoordv < 0)
1067 game.mousecoordv = 0;
1068 else if (game.mousecoordv >= kContextHeight)
1069 game.mousecoordv = kContextHeight - 1;
1076 // --------------------------------------------------------------------------
1078 void DoKey (SInt8 theKey, SInt8 theCode)
1083 // --------------------------------------------------------------------------
1087 void DoFrameRate (int update)
1089 static long frames = 0;
1091 static AbsoluteTime time = {0,0};
1092 static AbsoluteTime frametime = {0,0};
1093 AbsoluteTime currTime = UpTime ();
1094 double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
1096 if (0 > deltaTime) // if negative microseconds
1097 deltaTime /= -1000000.0;
1098 else // else milliseconds
1099 deltaTime /= 1000.0;
1101 multiplier=deltaTime;
1102 if(multiplier<.001)multiplier=.001;
1103 if(multiplier>10)multiplier=10;
1104 if(update)frametime = currTime; // reset for next time interval
1106 deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
1108 if (0 > deltaTime) // if negative microseconds
1109 deltaTime /= -1000000.0;
1110 else // else milliseconds
1111 deltaTime /= 1000.0;
1113 if (0.001 <= deltaTime) // has update interval passed
1116 time = currTime; // reset for next time interval
1123 void DoUpdate (Game & game)
1125 static float sps=200;
1127 static float oldmult;
1130 if(multiplier>.6)multiplier=.6;
1132 game.fps=1/multiplier;
1134 count = multiplier*sps;
1136 //if(count>10)count=10;
1138 realmultiplier=multiplier;
1139 multiplier*=gamespeed;
1140 if(difficulty==1)multiplier*=.9;
1141 if(difficulty==0)multiplier*=.8;
1143 if(game.loading==4)multiplier*=.00001;
1145 if(slomo&&!mainmenu)multiplier*=slomospeed;
1146 //if(freeze)multiplier*=0.00001;
1148 multiplier/=(float)count;
1154 for(int i=0;i<count;i++)
1160 game.TickOnceAfter();
1161 /* - Debug code to test how many channels were active on average per frame
1162 static long frames = 0;
1164 static AbsoluteTime start = {0,0};
1165 AbsoluteTime currTime = UpTime ();
1166 static int num_channels = 0;
1168 num_channels += FSOUND_GetChannelsPlaying();
1169 double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
1171 if (0 > deltaTime) // if negative microseconds
1172 deltaTime /= -1000000.0;
1173 else // else milliseconds
1174 deltaTime /= 1000.0;
1181 float avg_channels = (float)num_channels / (float)frames;
1183 ofstream opstream("log.txt",ios::app);
1184 opstream << "Average frame count: ";
1186 opstream << " frames - ";
1187 opstream << avg_channels;
1188 opstream << " per frame.\n";
1198 // --------------------------------------------------------------------------
1213 #define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
1214 #include "glstubs.h"
1216 // cheat here...static destructors are calling glDeleteTexture() after
1217 // the context is destroyed and libGL unloaded by SDL_Quit().
1218 pglDeleteTextures = glDeleteTextures_doNothing;
1222 // --------------------------------------------------------------------------
1224 static bool g_focused = true;
1227 static bool IsFocused()
1229 STUBBED("write me");
1234 static void launch_web_browser(const char *url)
1237 ShellExecute(NULL, "open", url, NULL, NULL, SW_SHOWNORMAL);
1239 #elif (defined(__APPLE__) && defined(__MACH__))
1240 const char *fmt = "open '%s'";
1241 const size_t len = strlen(fmt) + strlen(url) + 16;
1242 char *buf = new char[len];
1243 snprintf(buf, len, fmt, url);
1247 #elif PLATFORM_LINUX
1248 const char *fmt = "PATH=$PATH:. xdg-open '%s'";
1249 const size_t len = strlen(fmt) + strlen(url) + 16;
1250 char *buf = new char[len];
1251 snprintf(buf, len, fmt, url);
1259 // (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
1260 static char *findBinaryInPath(const char *bin, char *envr)
1262 size_t alloc_size = 0;
1270 ptr = strchr(start, ':'); /* find next $PATH separator. */
1274 size = strlen(start) + strlen(bin) + 2;
1275 if (size > alloc_size)
1277 char *x = (char *) realloc(exe, size);
1289 /* build full binary path... */
1291 if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
1295 if (access(exe, X_OK) == 0) /* Exists as executable? We're done. */
1297 strcpy(exe, start); /* i'm lazy. piss off. */
1301 start = ptr + 1; /* start points to beginning of next element. */
1302 } while (ptr != NULL);
1307 return(NULL); /* doesn't exist in path. */
1308 } /* findBinaryInPath */
1311 char *calcBaseDir(const char *argv0)
1313 /* If there isn't a path on argv0, then look through the $PATH for it. */
1317 char *ptr = strrchr((char *)argv0, '/');
1318 if (strchr(argv0, '/'))
1320 retval = strdup(argv0);
1322 *(strrchr(retval, '/')) = '\0';
1326 envr = getenv("PATH");
1327 if (!envr) return NULL;
1328 envr = strdup(envr);
1329 if (!envr) return NULL;
1330 retval = findBinaryInPath(argv0, envr);
1335 static inline void chdirToAppPath(const char *argv0)
1337 char *dir = calcBaseDir(argv0);
1340 #if (defined(__APPLE__) && defined(__MACH__))
1341 // Chop off /Contents/MacOS if it's at the end of the string, so we
1342 // land in the base of the app bundle.
1343 const size_t len = strlen(dir);
1344 const char *bundledirs = "/Contents/MacOS";
1345 const size_t bundledirslen = strlen(bundledirs);
1346 if (len > bundledirslen)
1348 char *ptr = (dir + len) - bundledirslen;
1349 if (strcasecmp(ptr, bundledirs) == 0)
1360 int main(int argc, char **argv)
1367 // !!! FIXME: we could use a Win32 API for this. --ryan.
1369 chdirToAppPath(argv[0]);
1374 memset( &g_theKeys, 0, sizeof( KeyMap));
1380 bool regnow = false;
1385 //ofstream os("error.txt");
1387 //ofstream os("log.txt");
1393 while (!gDone&&!game.quit&&(!game.tryquit||!game.registered))
1399 // check windows messages
1405 while( SDL_PollEvent( &e ) )
1407 if( e.type == SDL_QUIT )
1412 sdlEventProc(e, game);
1423 // allow game chance to pause
1424 gameFocused = false;
1428 // game is not in focus, give CPU time to other apps by waiting for messages instead of 'peeking'
1429 STUBBED("give up CPU but sniff the event queue");
1433 regnow = game.registernow;
1438 // if(game.registernow){
1441 #if (defined(__APPLE__) && defined(__MACH__))
1442 launch_web_browser("http://www.wolfire.com/purchase/lugaru/mac");
1443 #elif PLATFORM_LINUX
1444 launch_web_browser("http://www.wolfire.com/purchase/lugaru/linux");
1446 launch_web_browser("http://www.wolfire.com/purchase/lugaru/pc");
1450 #if PLATFORM_LINUX // (this may not be necessary any more.)
1451 _exit(0); // !!! FIXME: hack...crashes on exit!
1455 catch (const std::exception& error)
1459 std::string e = "Caught exception: ";
1464 MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
1474 // --------------------------------------------------------------------------
1477 int resolutionID(int width, int height)
1481 if(width==640 && height==480)whichres=0;
1482 if(width==800 && height==600)whichres=1;
1483 if(width==1024 && height==768)whichres=2;
1484 if(width==1280 && height==1024)whichres=3;
1485 if(width==1600 && height==1200)whichres=4;
1486 if(width==840 && height==524)whichres=5;
1487 if(width==1024 && height==640)whichres=6;
1488 if(width==1344 && height==840)whichres=7;
1489 if(width==1920 && height==1200)whichres=8;
1494 int closestResolution(int width, int height)
1498 if(width>=640 && height>=480)whichres=0;
1499 if(width>=800 && height>=600)whichres=1;
1500 if(width>=1024 && height>=768)whichres=2;
1501 if(width>=1280 && height>=1024)whichres=3;
1502 if(width>=1600 && height>=1200)whichres=4;
1503 if(width==840 && height==524)whichres=5;
1504 if(width==1024 && height==640)whichres=6;
1505 if(width==1344 && height==840)whichres=7;
1506 if(width>=1920 && height>=1200)whichres=8;
1512 bool selectDetail(int & width, int & height, int & bpp, int & detail)
1516 // currently with SDL, we just use whatever is requested
1517 // and don't care. --ryan.
1519 int whichres = closestResolution(width, height);
1523 if(whichres<=0 || whichres>8){
1561 if ((detail != 0) && (resolutionDepths[whichres][1] != 0))
1565 else if ((detail == 0) && (resolutionDepths[whichres][0] != 0))
1569 else if ((detail != 0) && (resolutionDepths[whichres][0] != 0))
1585 bpp = resolutionDepths[whichres][(detail != 0)];
1591 extern int channels[100];
1592 extern FSOUND_SAMPLE * samp[100];
1593 extern FSOUND_STREAM * strm[20];
1595 extern "C" void PlaySoundEx(int chan, FSOUND_SAMPLE *sptr, FSOUND_DSPUNIT *dsp, signed char startpaused)
1597 const FSOUND_SAMPLE * currSample = FSOUND_GetCurrentSample(channels[chan]);
1598 if (currSample && currSample == samp[chan])
1600 if (FSOUND_GetPaused(channels[chan]))
1602 FSOUND_StopSound(channels[chan]);
1603 channels[chan] = FSOUND_FREE;
1605 else if (FSOUND_IsPlaying(channels[chan]))
1607 int loop_mode = FSOUND_GetLoopMode(channels[chan]);
1608 if (loop_mode & FSOUND_LOOP_OFF)
1610 channels[chan] = FSOUND_FREE;
1616 channels[chan] = FSOUND_FREE;
1619 channels[chan] = FSOUND_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
1620 if (channels[chan] < 0)
1622 channels[chan] = FSOUND_PlaySoundEx(FSOUND_FREE, sptr, dsp, startpaused);
1626 extern "C" void PlayStreamEx(int chan, FSOUND_STREAM *sptr, FSOUND_DSPUNIT *dsp, signed char startpaused)
1628 const FSOUND_SAMPLE * currSample = FSOUND_GetCurrentSample(channels[chan]);
1629 if (currSample && currSample == FSOUND_Stream_GetSample(sptr))
1631 FSOUND_StopSound(channels[chan]);
1632 FSOUND_Stream_Stop(sptr);
1636 FSOUND_Stream_Stop(sptr);
1637 channels[chan] = FSOUND_FREE;
1640 channels[chan] = FSOUND_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
1641 if (channels[chan] < 0)
1643 channels[chan] = FSOUND_Stream_PlayEx(FSOUND_FREE, sptr, dsp, startpaused);
1647 bool LoadImage(const char * fname, TGAImageRec & tex)
1651 if ( tex.data == NULL )
1657 ILstring f = strdup(ConvertFileName(fname));
1664 ilGenImages(1, &iid);
1669 tex.sizeX = ilGetInteger(IL_IMAGE_WIDTH);
1670 tex.sizeY = ilGetInteger(IL_IMAGE_HEIGHT);
1671 tex.bpp = ilGetInteger(IL_IMAGE_BITS_PER_PIXEL);
1672 ILuint Bpp = ilGetInteger(IL_IMAGE_BYTES_PER_PIXEL),
1673 imageSize = tex.sizeX * tex.sizeY * Bpp;
1674 ILubyte *Data = ilGetData();
1675 memcpy(tex.data, Data, imageSize);
1677 // Truvision Targa files are stored as BGR colors
1678 // We want RGB so Blue and Red bytes are switched
1679 if (IL_TGA == ilGetInteger(IL_IMAGE_FORMAT))
1681 // Loop Through The Image Data
1682 for (GLuint i = 0; i < int(imageSize); i += Bpp)
1684 // Swaps The 1st And 3rd Bytes ('R'ed and 'B'lue)
1685 GLbyte temp; // Temporary Variable
1686 temp = tex.data[i]; // Temporarily Store The Value At Image Data 'i'
1687 tex.data[i] = tex.data[i + 2]; // Set The 1st Byte To The Value Of The 3rd Byte
1688 tex.data[i + 2] = temp; // Set The 3rd Byte To The Value In 'temp' (1st Byte Value)
1696 ilDeleteImages(1, &iid);
1700 GLuint texid = ilutGLLoadImage(f);
1705 ilutGLBuildMipmaps()
1714 res = load_image(fname, tex);
1715 //if (!res) printf("failed to load %s\n", fname);
1721 void ScreenShot(const char * fname)
1724 ILstring f = strdup(fname);
1731 ilGenImages(1, &iid);
1737 ilDeleteImages(1, &iid);
1747 static bool load_image(const char *file_name, TGAImageRec &tex)
1749 char *ptr = strrchr((char *)file_name, '.');
1752 if (stricmp(ptr+1, "png") == 0)
1753 return load_png(file_name, tex);
1754 else if (stricmp(ptr+1, "jpg") == 0)
1755 return load_jpg(file_name, tex);
1758 STUBBED("Unsupported image type");
1763 struct my_error_mgr {
1764 struct jpeg_error_mgr pub; /* "public" fields */
1765 jmp_buf setjmp_buffer; /* for return to caller */
1767 typedef struct my_error_mgr * my_error_ptr;
1770 static void my_error_exit(j_common_ptr cinfo)
1772 struct my_error_mgr *err = (struct my_error_mgr *)cinfo->err;
1773 longjmp(err->setjmp_buffer, 1);
1776 /* stolen from public domain example.c code in libjpg distribution. */
1777 static bool load_jpg(const char *file_name, TGAImageRec &tex)
1779 struct jpeg_decompress_struct cinfo;
1780 struct my_error_mgr jerr;
1781 JSAMPROW buffer[1]; /* Output row buffer */
1782 int row_stride; /* physical row width in output buffer */
1783 FILE *infile = fopen(file_name, "rb");
1788 cinfo.err = jpeg_std_error(&jerr.pub);
1789 jerr.pub.error_exit = my_error_exit;
1790 if (setjmp(jerr.setjmp_buffer)) {
1791 jpeg_destroy_decompress(&cinfo);
1796 jpeg_create_decompress(&cinfo);
1797 jpeg_stdio_src(&cinfo, infile);
1798 (void) jpeg_read_header(&cinfo, TRUE);
1800 cinfo.out_color_space = JCS_RGB;
1801 cinfo.quantize_colors = 0;
1802 (void) jpeg_calc_output_dimensions(&cinfo);
1803 (void) jpeg_start_decompress(&cinfo);
1805 row_stride = cinfo.output_width * cinfo.output_components;
1806 tex.sizeX = cinfo.output_width;
1807 tex.sizeY = cinfo.output_height;
1810 while (cinfo.output_scanline < cinfo.output_height) {
1811 buffer[0] = (JSAMPROW)(char *)tex.data +
1812 ((cinfo.output_height-1) - cinfo.output_scanline) * row_stride;
1813 (void) jpeg_read_scanlines(&cinfo, buffer, 1);
1816 (void) jpeg_finish_decompress(&cinfo);
1817 jpeg_destroy_decompress(&cinfo);
1824 /* stolen from public domain example.c code in libpng distribution. */
1825 static bool load_png(const char *file_name, TGAImageRec &tex)
1827 bool hasalpha = false;
1828 png_structp png_ptr = NULL;
1829 png_infop info_ptr = NULL;
1830 png_uint_32 width, height;
1831 int bit_depth, color_type, interlace_type;
1832 png_byte **rows = NULL;
1833 bool retval = false;
1834 png_byte **row_pointers = NULL;
1835 FILE *fp = fopen(file_name, "rb");
1840 png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1841 if (png_ptr == NULL)
1844 info_ptr = png_create_info_struct(png_ptr);
1845 if (info_ptr == NULL)
1848 if (setjmp(png_jmpbuf(png_ptr)))
1851 png_init_io(png_ptr, fp);
1852 png_read_png(png_ptr, info_ptr,
1853 PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_PACKING,
1855 png_get_IHDR(png_ptr, info_ptr, &width, &height,
1856 &bit_depth, &color_type, &interlace_type, NULL, NULL);
1858 if (bit_depth != 8) // transform SHOULD handle this...
1861 if (color_type & PNG_COLOR_MASK_PALETTE) // !!! FIXME?
1864 if ((color_type & PNG_COLOR_MASK_COLOR) == 0) // !!! FIXME?
1867 hasalpha = ((color_type & PNG_COLOR_MASK_ALPHA) != 0);
1868 row_pointers = png_get_rows(png_ptr, info_ptr);
1874 png_byte *dst = tex.data;
1875 for (int i = height-1; i >= 0; i--)
1877 png_byte *src = row_pointers[i];
1878 for (int j = 0; j < width; j++)
1892 png_byte *dst = tex.data;
1893 int pitch = width * 4;
1894 for (int i = height-1; i >= 0; i--, dst += pitch)
1895 memcpy(dst, row_pointers[i], pitch);
1904 png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
1911 static bool save_image(const char *file_name)
1913 char *ptr = strrchr((char *)file_name, '.');
1916 if (stricmp(ptr+1, "png") == 0)
1917 return save_png(file_name);
1920 STUBBED("Unsupported image type");
1925 static bool save_png(const char *file_name)
1928 png_structp png_ptr = NULL;
1929 png_infop info_ptr = NULL;
1930 bool retval = false;
1932 fp = fopen(file_name, "wb");
1936 png_bytep *row_pointers = new png_bytep[kContextHeight];
1937 png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];
1938 if ((!screenshot) || (!row_pointers))
1942 glReadPixels(0, 0, kContextWidth, kContextHeight,
1943 GL_RGB, GL_UNSIGNED_BYTE, screenshot);
1944 if (glGetError() != GL_NO_ERROR)
1947 for (int i = 0; i < kContextHeight; i++)
1948 row_pointers[i] = screenshot + ((kContextWidth * ((kContextHeight-1) - i)) * 3);
1950 png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1951 if (png_ptr == NULL)
1954 info_ptr = png_create_info_struct(png_ptr);
1955 if (info_ptr == NULL)
1958 if (setjmp(png_jmpbuf(png_ptr)))
1961 png_init_io(png_ptr, fp);
1963 if (setjmp(png_jmpbuf(png_ptr)))
1966 png_set_IHDR(png_ptr, info_ptr, kContextWidth, kContextHeight,
1967 8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
1968 PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
1970 png_write_info(png_ptr, info_ptr);
1972 if (setjmp(png_jmpbuf(png_ptr)))
1975 png_write_image(png_ptr, row_pointers);
1977 if (setjmp(png_jmpbuf(png_ptr)))
1980 png_write_end(png_ptr, NULL);
1984 png_destroy_write_struct(&png_ptr, &info_ptr);
1985 delete[] screenshot;
1986 delete[] row_pointers;
1990 unlink(ConvertFileName(file_name));