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
41 static bool load_image(const char * fname, TGAImageRec & tex);
42 static bool load_png(const char * fname, TGAImageRec & tex);
43 static bool load_jpg(const char * fname, TGAImageRec & tex);
44 static bool save_image(const char * fname);
45 static bool save_png(const char * fname);
48 #include "openal_wrapper.h"
52 #pragma comment(lib, "opengl32.lib")
53 #pragma comment(lib, "glu32.lib")
54 #pragma comment(lib, "glaux.lib")
57 extern bool buttons[3];
58 extern float multiplier;
59 extern float screenwidth,screenheight;
61 extern float realmultiplier;
63 extern bool ismotionblur;
64 extern float usermousesensitivity;
66 extern bool floatjump;
67 extern bool cellophane;
69 //extern int terraindetail;
70 //extern int texdetail;
71 extern float terraindetail;
72 extern float texdetail;
73 extern int bloodtoggle;
75 extern bool autoslomo;
77 extern bool musictoggle;
78 extern bool trilinear;
79 extern float gamespeed;
80 extern int difficulty;
81 extern bool damageeffects;
82 extern int numplayers;
84 extern bool invertmouse;
85 extern bool texttoggle;
86 extern bool ambientsound;
87 extern bool mousejump;
89 extern Person player[maxplayers];
91 extern bool stillloading;
92 extern bool showpoints;
93 extern bool alwaysblur;
94 extern bool immediate;
95 extern bool velocityblur;
96 extern bool debugmode;
98 /*extern*/ bool gameFocused;
99 extern int kBitsPerPixel;
100 extern float slomospeed;
101 extern float slomofreq;
102 extern float oldgamespeed;
111 #include "MacCompatibility.h"
114 #include <shellapi.h>
117 #include "res/resource.h"
123 SDL_Rect **resolutions = NULL;
124 static SDL_Rect rect_1024_768 = { 0, 0, 1024, 768 };
125 static SDL_Rect rect_800_600 = { 0, 0, 800, 600 };
126 static SDL_Rect rect_640_480 = { 0, 0, 640, 480 };
127 static SDL_Rect *hardcoded_resolutions[] = {
136 unsigned int resolutionDepths[8][2] = {0};
138 bool selectDetail(int & width, int & height, int & bpp, int & detail);
139 int closestResolution(int width, int height);
140 int resolutionID(int width, int height);
142 void ReportError (char * strError);
144 void SetupDSpFullScreen();
147 void DrawGL(Game & game);
149 void CreateGLWindow (void);
150 Boolean SetUp (Game & game);
151 void DoKey (SInt8 theKey, SInt8 theCode);
152 void DoUpdate (Game & game);
158 // statics/globals (internal only) ------------------------------------------
160 typedef struct tagPOINT {
169 #pragma warning(push)
170 #pragma warning(disable: 4273)
173 #define GL_FUNC(ret,fn,params,call,rt) \
175 static ret (GLAPIENTRY *p##fn) params = NULL; \
176 ret GLAPIENTRY fn params { rt p##fn call; } \
185 static bool lookup_glsym(const char *funcname, void **func)
187 *func = SDL_GL_GetProcAddress(funcname);
190 fprintf(stderr, "Failed to find OpenGL symbol \"%s\"\n", funcname);
196 static bool lookup_all_glsyms(void)
199 #define GL_FUNC(ret,fn,params,call,rt) \
200 if (!lookup_glsym(#fn, (void **) &p##fn)) retval = false;
206 static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textures)
213 void sdlGetCursorPos(POINT *pt)
216 SDL_GetMouseState(&x, &y);
220 #define GetCursorPos(x) sdlGetCursorPos(x)
221 #define SetCursorPos(x, y) SDL_WarpMouse(x, y)
222 #define ScreenToClient(x, pt)
223 #define ClientToScreen(x, pt)
227 #define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
232 static bool g_button, fullscreen = true;
243 kForegroundSleep = 10,
244 kBackgroundSleep = 10000
251 const RGBColor rgbBlack = { 0x0000, 0x0000, 0x0000 };
254 char gcstrMode [256] = "";
256 UInt32 gSleepTime = kForegroundSleep;
257 Boolean gDone = false, gfFrontProcess = true;
262 static int _argc = 0;
263 static char **_argv = NULL;
266 bool cmdline(const char *cmd)
268 for (int i = 1; i < _argc; i++)
270 char *arg = _argv[i];
273 if (strcasecmp(arg, cmd) == 0)
281 // --------------------------------------------------------------------------
283 void ReportError (char * strError)
285 #ifdef _MSC_VER // !!! FIXME. --ryan.
286 throw std::exception( strError);
289 /* char errMsgCStr [256];
292 sprintf (errMsgCStr, "%s", strError);
294 // out as debug string
295 CToPStr (strErr, errMsgCStr);
300 void SetupDSpFullScreen ()
310 //-----------------------------------------------------------------------------------------------------------------------
314 void DrawGL (Game & game)
320 static KeyMap g_theKeys;
322 void SetKey( int key)
324 g_theKeys[ key >> 3] |= (1 << (key & 7));
327 void ClearKey( int key)
329 g_theKeys[ key >> 3] &= (0xff ^ (1 << (key & 7)));
332 void GetKeys( unsigned char theKeys[16])
334 memcpy( theKeys, &g_theKeys, 16);
343 static void initSDLKeyTable(void) {}
345 #define MAX_SDLKEYS SDLK_LAST
346 static unsigned short KeyTable[MAX_SDLKEYS];
348 static void initSDLKeyTable(void)
350 memset(KeyTable, 0xFF, sizeof (KeyTable));
351 KeyTable[SDLK_BACKSPACE] = MAC_DELETE_KEY;
352 KeyTable[SDLK_TAB] = MAC_TAB_KEY;
353 KeyTable[SDLK_RETURN] = MAC_RETURN_KEY;
354 KeyTable[SDLK_ESCAPE] = MAC_ESCAPE_KEY;
355 KeyTable[SDLK_SPACE] = MAC_SPACE_KEY;
356 KeyTable[SDLK_PAGEUP] = MAC_PAGE_UP_KEY;
357 KeyTable[SDLK_PAGEDOWN] = MAC_PAGE_DOWN_KEY;
358 KeyTable[SDLK_END] = MAC_END_KEY;
359 KeyTable[SDLK_HOME] = MAC_HOME_KEY;
360 KeyTable[SDLK_LEFT] = MAC_ARROW_LEFT_KEY;
361 KeyTable[SDLK_UP] = MAC_ARROW_UP_KEY;
362 KeyTable[SDLK_RIGHT] = MAC_ARROW_RIGHT_KEY;
363 KeyTable[SDLK_DOWN] = MAC_ARROW_DOWN_KEY;
364 KeyTable[SDLK_INSERT] = MAC_INSERT_KEY;
365 KeyTable[SDLK_DELETE] = MAC_DEL_KEY;
366 KeyTable[SDLK_0] = MAC_0_KEY;
367 KeyTable[SDLK_1] = MAC_1_KEY;
368 KeyTable[SDLK_2] = MAC_2_KEY;
369 KeyTable[SDLK_3] = MAC_3_KEY;
370 KeyTable[SDLK_4] = MAC_4_KEY;
371 KeyTable[SDLK_5] = MAC_5_KEY;
372 KeyTable[SDLK_6] = MAC_6_KEY;
373 KeyTable[SDLK_7] = MAC_7_KEY;
374 KeyTable[SDLK_8] = MAC_8_KEY;
375 KeyTable[SDLK_9] = MAC_9_KEY;
376 KeyTable[SDLK_a] = MAC_A_KEY;
377 KeyTable[SDLK_b] = MAC_B_KEY;
378 KeyTable[SDLK_c] = MAC_C_KEY;
379 KeyTable[SDLK_d] = MAC_D_KEY;
380 KeyTable[SDLK_e] = MAC_E_KEY;
381 KeyTable[SDLK_f] = MAC_F_KEY;
382 KeyTable[SDLK_g] = MAC_G_KEY;
383 KeyTable[SDLK_h] = MAC_H_KEY;
384 KeyTable[SDLK_i] = MAC_I_KEY;
385 KeyTable[SDLK_j] = MAC_J_KEY;
386 KeyTable[SDLK_k] = MAC_K_KEY;
387 KeyTable[SDLK_l] = MAC_L_KEY;
388 KeyTable[SDLK_m] = MAC_M_KEY;
389 KeyTable[SDLK_n] = MAC_N_KEY;
390 KeyTable[SDLK_o] = MAC_O_KEY;
391 KeyTable[SDLK_p] = MAC_P_KEY;
392 KeyTable[SDLK_q] = MAC_Q_KEY;
393 KeyTable[SDLK_r] = MAC_R_KEY;
394 KeyTable[SDLK_s] = MAC_S_KEY;
395 KeyTable[SDLK_t] = MAC_T_KEY;
396 KeyTable[SDLK_u] = MAC_U_KEY;
397 KeyTable[SDLK_v] = MAC_V_KEY;
398 KeyTable[SDLK_w] = MAC_W_KEY;
399 KeyTable[SDLK_x] = MAC_X_KEY;
400 KeyTable[SDLK_y] = MAC_Y_KEY;
401 KeyTable[SDLK_z] = MAC_Z_KEY;
402 KeyTable[SDLK_KP0] = MAC_NUMPAD_0_KEY;
403 KeyTable[SDLK_KP1] = MAC_NUMPAD_1_KEY;
404 KeyTable[SDLK_KP2] = MAC_NUMPAD_2_KEY;
405 KeyTable[SDLK_KP3] = MAC_NUMPAD_3_KEY;
406 KeyTable[SDLK_KP4] = MAC_NUMPAD_4_KEY;
407 KeyTable[SDLK_KP5] = MAC_NUMPAD_5_KEY;
408 KeyTable[SDLK_KP6] = MAC_NUMPAD_6_KEY;
409 KeyTable[SDLK_KP7] = MAC_NUMPAD_7_KEY;
410 KeyTable[SDLK_KP8] = MAC_NUMPAD_8_KEY;
411 KeyTable[SDLK_KP9] = MAC_NUMPAD_9_KEY;
412 KeyTable[SDLK_KP_MULTIPLY] = MAC_NUMPAD_ASTERISK_KEY;
413 KeyTable[SDLK_KP_PLUS] = MAC_NUMPAD_PLUS_KEY;
414 KeyTable[SDLK_KP_ENTER] = MAC_NUMPAD_ENTER_KEY;
415 KeyTable[SDLK_KP_MINUS] = MAC_NUMPAD_MINUS_KEY;
416 KeyTable[SDLK_KP_PERIOD] = MAC_NUMPAD_PERIOD_KEY;
417 KeyTable[SDLK_KP_DIVIDE] = MAC_NUMPAD_SLASH_KEY;
418 KeyTable[SDLK_F1] = MAC_F1_KEY;
419 KeyTable[SDLK_F2] = MAC_F2_KEY;
420 KeyTable[SDLK_F3] = MAC_F3_KEY;
421 KeyTable[SDLK_F4] = MAC_F4_KEY;
422 KeyTable[SDLK_F5] = MAC_F5_KEY;
423 KeyTable[SDLK_F6] = MAC_F6_KEY;
424 KeyTable[SDLK_F7] = MAC_F7_KEY;
425 KeyTable[SDLK_F8] = MAC_F8_KEY;
426 KeyTable[SDLK_F9] = MAC_F9_KEY;
427 KeyTable[SDLK_F10] = MAC_F10_KEY;
428 KeyTable[SDLK_F11] = MAC_F11_KEY;
429 KeyTable[SDLK_F12] = MAC_F12_KEY;
430 KeyTable[SDLK_SEMICOLON] = MAC_SEMICOLON_KEY;
431 KeyTable[SDLK_PLUS] = MAC_PLUS_KEY;
432 KeyTable[SDLK_COMMA] = MAC_COMMA_KEY;
433 KeyTable[SDLK_MINUS] = MAC_MINUS_KEY;
434 KeyTable[SDLK_PERIOD] = MAC_PERIOD_KEY;
435 KeyTable[SDLK_SLASH] = MAC_SLASH_KEY;
436 KeyTable[SDLK_BACKQUOTE] = MAC_TILDE_KEY;
437 KeyTable[SDLK_LEFTBRACKET] = MAC_LEFTBRACKET_KEY;
438 KeyTable[SDLK_BACKSLASH] = MAC_BACKSLASH_KEY;
439 KeyTable[SDLK_RIGHTBRACKET] = MAC_RIGHTBRACKET_KEY;
440 KeyTable[SDLK_QUOTE] = MAC_APOSTROPHE_KEY;
443 static inline int clamp_sdl_mouse_button(Uint8 button)
445 if (button == 2) // right mouse button is button 3 in SDL.
447 else if (button == 3)
450 if ((button >= 1) && (button <= 3))
455 static void sdlEventProc(const SDL_Event &e, Game &game)
458 bool skipkey = false;
463 case SDL_MOUSEMOTION:
464 game.deltah += e.motion.xrel;
465 game.deltav += e.motion.yrel;
468 case SDL_MOUSEBUTTONDOWN:
470 val = clamp_sdl_mouse_button(e.button.button);
471 if ((val >= 0) && (val <= 2))
480 case SDL_MOUSEBUTTONUP:
482 val = clamp_sdl_mouse_button(e.button.button);
483 if ((val >= 0) && (val <= 2))
487 buttons[val] = false;
493 if (e.key.keysym.sym == SDLK_g)
495 if (e.key.keysym.mod & KMOD_CTRL)
498 SDL_GrabMode mode = SDL_GRAB_ON;
499 if ((SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) == 0)
501 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
502 mode = (mode==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON;
504 SDL_WM_GrabInput(mode);
508 else if (e.key.keysym.sym == SDLK_RETURN)
510 if (e.key.keysym.mod & KMOD_ALT)
513 SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
517 if ((!skipkey) && (e.key.keysym.sym < SDLK_LAST))
519 if (KeyTable[e.key.keysym.sym] != 0xffff)
520 SetKey(KeyTable[e.key.keysym.sym]);
523 mod = SDL_GetModState();
525 SetKey(MAC_CONTROL_KEY);
527 SetKey(MAC_OPTION_KEY);
529 SetKey(MAC_COMMAND_KEY);
530 if (mod & KMOD_SHIFT)
531 SetKey(MAC_SHIFT_KEY);
533 SetKey(MAC_CAPS_LOCK_KEY);
538 if (e.key.keysym.sym < SDLK_LAST)
540 if (KeyTable[e.key.keysym.sym] != 0xffff)
541 ClearKey(KeyTable[e.key.keysym.sym]);
544 mod = SDL_GetModState();
545 if ((mod & KMOD_CTRL) == 0)
546 ClearKey(MAC_CONTROL_KEY);
547 if ((mod & KMOD_ALT) == 0)
548 ClearKey(MAC_OPTION_KEY);
549 if ((mod & KMOD_META) == 0)
550 ClearKey(MAC_COMMAND_KEY);
551 if ((mod & KMOD_SHIFT) == 0)
552 ClearKey(MAC_SHIFT_KEY);
553 if ((mod & KMOD_CAPS) == 0)
554 ClearKey(MAC_CAPS_LOCK_KEY);
560 // --------------------------------------------------------------------------
562 static Point gMidPoint;
564 Boolean SetUp (Game & game)
570 randSeed = UpTime().lo;
573 ifstream ipstream(ConvertFileName(":Data:config.txt"), std::ios::in /*| std::ios::nocreate*/);
576 usermousesensitivity=1;
605 game.crouchkey=MAC_SHIFT_KEY;
606 game.jumpkey=MAC_SPACE_KEY;
607 game.leftkey=MAC_A_KEY;
608 game.forwardkey=MAC_W_KEY;
609 game.backkey=MAC_S_KEY;
610 game.rightkey=MAC_D_KEY;
611 game.drawkey=MAC_E_KEY;
612 game.throwkey=MAC_Q_KEY;
613 game.attackkey=MAC_MOUSEBUTTON1;
614 game.chatkey=MAC_T_KEY;
620 selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
623 ofstream opstream(ConvertFileName(":Data:config.txt", "w"));
624 opstream << "Screenwidth:\n";
625 opstream << kContextWidth;
626 opstream << "\nScreenheight:\n";
627 opstream << kContextHeight;
628 opstream << "\nMouse sensitivity:\n";
629 opstream << usermousesensitivity;
630 opstream << "\nBlur(0,1):\n";
631 opstream << ismotionblur;
632 opstream << "\nOverall Detail(0,1,2) higher=better:\n";
634 opstream << "\nFloating jump:\n";
635 opstream << floatjump;
636 opstream << "\nMouse jump:\n";
637 opstream << mousejump;
638 opstream << "\nAmbient sound:\n";
639 opstream << ambientsound;
640 opstream << "\nBlood (0,1,2):\n";
641 opstream << bloodtoggle;
642 opstream << "\nAuto slomo:\n";
643 opstream << autoslomo;
644 opstream << "\nFoliage:\n";
646 opstream << "\nMusic:\n";
647 opstream << musictoggle;
648 opstream << "\nTrilinear:\n";
649 opstream << trilinear;
650 opstream << "\nDecals(shadows,blood puddles,etc):\n";
652 opstream << "\nInvert mouse:\n";
653 opstream << invertmouse;
654 opstream << "\nGamespeed:\n";
655 opstream << gamespeed;
656 opstream << "\nDifficulty(0,1,2) higher=harder:\n";
657 opstream << difficulty;
658 opstream << "\nDamage effects(blackout, doublevision):\n";
659 opstream << damageeffects;
660 opstream << "\nText:\n";
661 opstream << texttoggle;
662 opstream << "\nDebug:\n";
663 opstream << debugmode;
664 opstream << "\nVBL Sync:\n";
666 opstream << "\nShow Points:\n";
667 opstream << showpoints;
668 opstream << "\nAlways Blur:\n";
669 opstream << alwaysblur;
670 opstream << "\nImmediate mode (turn on on G5):\n";
671 opstream << immediate;
672 opstream << "\nVelocity blur:\n";
673 opstream << velocityblur;
674 opstream << "\nVolume:\n";
676 opstream << "\nForward key:\n";
677 opstream << KeyToChar(game.forwardkey);
678 opstream << "\nBack key:\n";
679 opstream << KeyToChar(game.backkey);
680 opstream << "\nLeft key:\n";
681 opstream << KeyToChar(game.leftkey);
682 opstream << "\nRight key:\n";
683 opstream << KeyToChar(game.rightkey);
684 opstream << "\nJump key:\n";
685 opstream << KeyToChar(game.jumpkey);
686 opstream << "\nCrouch key:\n";
687 opstream << KeyToChar(game.crouchkey);
688 opstream << "\nDraw key:\n";
689 opstream << KeyToChar(game.drawkey);
690 opstream << "\nThrow key:\n";
691 opstream << KeyToChar(game.throwkey);
692 opstream << "\nAttack key:\n";
693 opstream << KeyToChar(game.attackkey);
694 opstream << "\nChat key:\n";
695 opstream << KeyToChar(game.chatkey);
700 ipstream.ignore(256,'\n');
701 ipstream >> kContextWidth;
702 ipstream.ignore(256,'\n');
703 ipstream.ignore(256,'\n');
704 ipstream >> kContextHeight;
705 ipstream.ignore(256,'\n');
706 ipstream.ignore(256,'\n');
707 ipstream >> usermousesensitivity;
708 ipstream.ignore(256,'\n');
709 ipstream.ignore(256,'\n');
711 ismotionblur = (i != 0);
712 ipstream.ignore(256,'\n');
713 ipstream.ignore(256,'\n');
715 if(detail!=0)kBitsPerPixel=32;
716 else kBitsPerPixel=16;
717 ipstream.ignore(256,'\n');
718 ipstream.ignore(256,'\n');
720 floatjump = (i != 0);
721 ipstream.ignore(256,'\n');
722 ipstream.ignore(256,'\n');
724 mousejump = (i != 0);
725 ipstream.ignore(256,'\n');
726 ipstream.ignore(256,'\n');
728 ambientsound = (i != 0);
729 ipstream.ignore(256,'\n');
730 ipstream.ignore(256,'\n');
731 ipstream >> bloodtoggle;
732 ipstream.ignore(256,'\n');
733 ipstream.ignore(256,'\n');
735 autoslomo = (i != 0);
736 ipstream.ignore(256,'\n');
737 ipstream.ignore(256,'\n');
740 ipstream.ignore(256,'\n');
741 ipstream.ignore(256,'\n');
743 musictoggle = (i != 0);
744 ipstream.ignore(256,'\n');
745 ipstream.ignore(256,'\n');
747 trilinear = (i != 0);
748 ipstream.ignore(256,'\n');
749 ipstream.ignore(256,'\n');
752 ipstream.ignore(256,'\n');
753 ipstream.ignore(256,'\n');
755 invertmouse = (i != 0);
756 ipstream.ignore(256,'\n');
757 ipstream.ignore(256,'\n');
758 ipstream >> gamespeed;
759 oldgamespeed=gamespeed;
764 ipstream.ignore(256,'\n');
765 ipstream.ignore(256,'\n');
766 ipstream >> difficulty;
767 ipstream.ignore(256,'\n');
768 ipstream.ignore(256,'\n');
770 damageeffects = (i != 0);
771 ipstream.ignore(256,'\n');
772 ipstream.ignore(256,'\n');
774 texttoggle = (i != 0);
775 ipstream.ignore(256,'\n');
776 ipstream.ignore(256,'\n');
778 debugmode = (i != 0);
779 ipstream.ignore(256,'\n');
780 ipstream.ignore(256,'\n');
783 ipstream.ignore(256,'\n');
784 ipstream.ignore(256,'\n');
786 showpoints = (i != 0);
787 ipstream.ignore(256,'\n');
788 ipstream.ignore(256,'\n');
790 alwaysblur = (i != 0);
791 ipstream.ignore(256,'\n');
792 ipstream.ignore(256,'\n');
794 immediate = (i != 0);
795 ipstream.ignore(256,'\n');
796 ipstream.ignore(256,'\n');
798 velocityblur = (i != 0);
799 ipstream.ignore(256,'\n');
800 ipstream.ignore(256,'\n');
802 ipstream.ignore(256,'\n');
803 ipstream.ignore(256,'\n');
805 game.forwardkey=CharToKey(string);
806 ipstream.ignore(256,'\n');
807 ipstream.ignore(256,'\n');
809 game.backkey=CharToKey(string);
810 ipstream.ignore(256,'\n');
811 ipstream.ignore(256,'\n');
813 game.leftkey=CharToKey(string);
814 ipstream.ignore(256,'\n');
815 ipstream.ignore(256,'\n');
817 game.rightkey=CharToKey(string);
818 ipstream.ignore(256,'\n');
819 ipstream.ignore(256,'\n');
821 game.jumpkey=CharToKey(string);
822 ipstream.ignore(256,'\n');
823 ipstream.ignore(256,'\n');
825 game.crouchkey=CharToKey(string);
826 ipstream.ignore(256,'\n');
827 ipstream.ignore(256,'\n');
829 game.drawkey=CharToKey(string);
830 ipstream.ignore(256,'\n');
831 ipstream.ignore(256,'\n');
833 game.throwkey=CharToKey(string);
834 ipstream.ignore(256,'\n');
835 ipstream.ignore(256,'\n');
837 game.attackkey=CharToKey(string);
838 ipstream.ignore(256,'\n');
839 ipstream.ignore(256,'\n');
841 game.chatkey=CharToKey(string);
844 if(detail>2)detail=2;
845 if(detail<0)detail=0;
846 if(screenwidth<0)screenwidth=640;
847 if(screenheight<0)screenheight=480;
848 #if !USE_SDL // we'll take anything that works.
849 if(screenwidth>3000)screenwidth=640;
850 if(screenheight>3000)screenheight=480;
853 if(kBitsPerPixel!=32&&kBitsPerPixel!=16){
858 selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
860 SetupDSpFullScreen();
863 if (!SDL_WasInit(SDL_INIT_VIDEO))
865 if (SDL_Init(SDL_INIT_VIDEO) == -1)
867 fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
871 if (SDL_GL_LoadLibrary(NULL) == -1)
873 fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
878 SDL_Rect **res = SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_OPENGL);
879 if ( (res == NULL) || (res == ((SDL_Rect **)-1)) || (res[0] == NULL) || (res[0]->w < 640) || (res[0]->h < 480) )
880 res = hardcoded_resolutions;
882 // reverse list (it was sorted biggest to smallest by SDL)...
884 for (count = 0; res[count]; count++)
886 if ((res[count]->w < 640) || (res[count]->h < 480))
887 break; // sane lower limit.
890 static SDL_Rect *resolutions_block = NULL;
891 resolutions_block = (SDL_Rect*) realloc(resolutions_block, sizeof (SDL_Rect) * count);
892 resolutions = (SDL_Rect**) realloc(resolutions, sizeof (SDL_Rect *) * (count + 1));
893 if ((resolutions_block == NULL) || (resolutions == NULL))
896 fprintf(stderr, "Out of memory!\n");
900 resolutions[count--] = NULL;
901 for (int i = 0; count >= 0; i++, count--)
903 memcpy(&resolutions_block[count], res[i], sizeof (SDL_Rect));
904 resolutions[count] = &resolutions_block[count];
907 if (cmdline("showresolutions"))
909 printf("Resolutions we think are okay:\n");
910 for (int i = 0; resolutions[i]; i++)
911 printf(" %d x %d\n", (int) resolutions[i]->w, (int) resolutions[i]->h);
915 Uint32 sdlflags = SDL_OPENGL;
916 if (!cmdline("windowed"))
917 sdlflags |= SDL_FULLSCREEN;
919 SDL_WM_SetCaption("Lugaru", "Lugaru");
923 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
925 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
927 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
928 fprintf(stderr, "forcing 640x480...\n");
930 kContextHeight = 480;
931 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
933 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
934 fprintf(stderr, "forcing 640x480 windowed mode...\n");
935 sdlflags &= ~SDL_FULLSCREEN;
936 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
938 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
945 if ((SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &dblbuf) == -1) || (!dblbuf))
947 fprintf(stderr, "Failed to get double buffered GL context!\n");
952 if (!lookup_all_glsyms())
958 if (!cmdline("nomousegrab"))
959 SDL_WM_GrabInput(SDL_GRAB_ON);
962 glClear( GL_COLOR_BUFFER_BIT );
966 glDisable( GL_ALPHA_TEST);
967 glDisable( GL_BLEND);
968 glDisable( GL_DEPTH_TEST);
969 // glDisable( GL_DITHER);
971 glDisable( GL_LIGHTING);
972 glDisable( GL_LOGIC_OP);
973 glDisable( GL_STENCIL_TEST);
974 glDisable( GL_TEXTURE_1D);
975 glDisable( GL_TEXTURE_2D);
976 glPixelTransferi( GL_MAP_COLOR, GL_FALSE);
977 glPixelTransferi( GL_RED_SCALE, 1);
978 glPixelTransferi( GL_RED_BIAS, 0);
979 glPixelTransferi( GL_GREEN_SCALE, 1);
980 glPixelTransferi( GL_GREEN_BIAS, 0);
981 glPixelTransferi( GL_BLUE_SCALE, 1);
982 glPixelTransferi( GL_BLUE_BIAS, 0);
983 glPixelTransferi( GL_ALPHA_SCALE, 1);
984 glPixelTransferi( GL_ALPHA_BIAS, 0);
986 // set initial rendering states
987 glShadeModel( GL_SMOOTH);
989 glDepthFunc( GL_LEQUAL);
990 glDepthMask( GL_TRUE);
991 // glDepthRange( FRONT_CLIP, BACK_CLIP);
992 glEnable( GL_DEPTH_TEST);
993 glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
994 glCullFace( GL_FRONT);
995 glEnable( GL_CULL_FACE);
996 glEnable( GL_LIGHTING);
997 // glEnable( GL_LIGHT_MODEL_AMBIENT);
998 glEnable( GL_DITHER);
999 glEnable( GL_COLOR_MATERIAL);
1000 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
1001 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1002 glAlphaFunc( GL_GREATER, 0.5f);
1004 GLint width = kContextWidth;
1005 GLint height = kContextHeight;
1006 gMidPoint.h = width / 2;
1007 gMidPoint.v = height / 2;
1009 screenheight=height;
1011 game.newdetail=detail;
1012 game.newscreenwidth=screenwidth;
1013 game.newscreenheight=screenheight;
1021 static void DoMouse(Game & game)
1024 if(mainmenu||(abs(game.deltah)<10*realmultiplier*1000&&abs(game.deltav)<10*realmultiplier*1000))
1026 game.deltah *= usermousesensitivity;
1027 game.deltav *= usermousesensitivity;
1028 game.mousecoordh += game.deltah;
1029 game.mousecoordv += game.deltav;
1030 if (game.mousecoordh < 0)
1031 game.mousecoordh = 0;
1032 else if (game.mousecoordh >= kContextWidth)
1033 game.mousecoordh = kContextWidth - 1;
1034 if (game.mousecoordv < 0)
1035 game.mousecoordv = 0;
1036 else if (game.mousecoordv >= kContextHeight)
1037 game.mousecoordv = kContextHeight - 1;
1044 // --------------------------------------------------------------------------
1046 void DoKey (SInt8 theKey, SInt8 theCode)
1051 // --------------------------------------------------------------------------
1055 void DoFrameRate (int update)
1057 static long frames = 0;
1059 static AbsoluteTime time = {0,0};
1060 static AbsoluteTime frametime = {0,0};
1061 AbsoluteTime currTime = UpTime ();
1062 double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
1064 if (0 > deltaTime) // if negative microseconds
1065 deltaTime /= -1000000.0;
1066 else // else milliseconds
1067 deltaTime /= 1000.0;
1069 multiplier=deltaTime;
1070 if(multiplier<.001)multiplier=.001;
1071 if(multiplier>10)multiplier=10;
1072 if(update)frametime = currTime; // reset for next time interval
1074 deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
1076 if (0 > deltaTime) // if negative microseconds
1077 deltaTime /= -1000000.0;
1078 else // else milliseconds
1079 deltaTime /= 1000.0;
1081 if (0.001 <= deltaTime) // has update interval passed
1084 time = currTime; // reset for next time interval
1091 void DoUpdate (Game & game)
1093 static float sps=200;
1095 static float oldmult;
1098 if(multiplier>.6)multiplier=.6;
1100 game.fps=1/multiplier;
1102 count = multiplier*sps;
1104 //if(count>10)count=10;
1106 realmultiplier=multiplier;
1107 multiplier*=gamespeed;
1108 if(difficulty==1)multiplier*=.9;
1109 if(difficulty==0)multiplier*=.8;
1111 if(game.loading==4)multiplier*=.00001;
1113 if(slomo&&!mainmenu)multiplier*=slomospeed;
1114 //if(freeze)multiplier*=0.00001;
1116 multiplier/=(float)count;
1122 for(int i=0;i<count;i++)
1128 game.TickOnceAfter();
1129 /* - Debug code to test how many channels were active on average per frame
1130 static long frames = 0;
1132 static AbsoluteTime start = {0,0};
1133 AbsoluteTime currTime = UpTime ();
1134 static int num_channels = 0;
1136 num_channels += OPENAL_GetChannelsPlaying();
1137 double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
1139 if (0 > deltaTime) // if negative microseconds
1140 deltaTime /= -1000000.0;
1141 else // else milliseconds
1142 deltaTime /= 1000.0;
1149 float avg_channels = (float)num_channels / (float)frames;
1151 ofstream opstream("log.txt",ios::app);
1152 opstream << "Average frame count: ";
1154 opstream << " frames - ";
1155 opstream << avg_channels;
1156 opstream << " per frame.\n";
1166 // --------------------------------------------------------------------------
1179 #define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
1180 #include "glstubs.h"
1182 // cheat here...static destructors are calling glDeleteTexture() after
1183 // the context is destroyed and libGL unloaded by SDL_Quit().
1184 pglDeleteTextures = glDeleteTextures_doNothing;
1188 // --------------------------------------------------------------------------
1190 static bool IsFocused()
1192 return ((SDL_GetAppState() & SDL_APPINPUTFOCUS) != 0);
1196 static void launch_web_browser(const char *url)
1199 ShellExecute(NULL, "open", url, NULL, NULL, SW_SHOWNORMAL);
1201 #elif (defined(__APPLE__) && defined(__MACH__))
1202 const char *fmt = "open '%s'";
1203 const size_t len = strlen(fmt) + strlen(url) + 16;
1204 char *buf = new char[len];
1205 snprintf(buf, len, fmt, url);
1209 #elif PLATFORM_LINUX
1210 const char *fmt = "PATH=$PATH:. xdg-open '%s'";
1211 const size_t len = strlen(fmt) + strlen(url) + 16;
1212 char *buf = new char[len];
1213 snprintf(buf, len, fmt, url);
1221 // (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
1222 static char *findBinaryInPath(const char *bin, char *envr)
1224 size_t alloc_size = 0;
1232 ptr = strchr(start, ':'); /* find next $PATH separator. */
1236 size = strlen(start) + strlen(bin) + 2;
1237 if (size > alloc_size)
1239 char *x = (char *) realloc(exe, size);
1251 /* build full binary path... */
1253 if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
1257 if (access(exe, X_OK) == 0) /* Exists as executable? We're done. */
1259 strcpy(exe, start); /* i'm lazy. piss off. */
1263 start = ptr + 1; /* start points to beginning of next element. */
1264 } while (ptr != NULL);
1269 return(NULL); /* doesn't exist in path. */
1270 } /* findBinaryInPath */
1273 char *calcBaseDir(const char *argv0)
1275 /* If there isn't a path on argv0, then look through the $PATH for it. */
1279 const char *ptr = strrchr((char *)argv0, '/');
1280 if (strchr(argv0, '/'))
1282 retval = strdup(argv0);
1284 *((char *) strrchr(retval, '/')) = '\0';
1288 envr = getenv("PATH");
1289 if (!envr) return NULL;
1290 envr = strdup(envr);
1291 if (!envr) return NULL;
1292 retval = findBinaryInPath(argv0, envr);
1297 static inline void chdirToAppPath(const char *argv0)
1299 char *dir = calcBaseDir(argv0);
1302 #if (defined(__APPLE__) && defined(__MACH__))
1303 // Chop off /Contents/MacOS if it's at the end of the string, so we
1304 // land in the base of the app bundle.
1305 const size_t len = strlen(dir);
1306 const char *bundledirs = "/Contents/MacOS";
1307 const size_t bundledirslen = strlen(bundledirs);
1308 if (len > bundledirslen)
1310 char *ptr = (dir + len) - bundledirslen;
1311 if (strcasecmp(ptr, bundledirs) == 0)
1322 int main(int argc, char **argv)
1329 // !!! FIXME: we could use a Win32 API for this. --ryan.
1331 chdirToAppPath(argv[0]);
1336 memset( &g_theKeys, 0, sizeof( KeyMap));
1342 bool regnow = false;
1347 //ofstream os("error.txt");
1349 //ofstream os("log.txt");
1355 while (!gDone&&!game.quit&&(!game.tryquit||!game.registered))
1361 // check windows messages
1367 while( SDL_PollEvent( &e ) )
1369 if( e.type == SDL_QUIT )
1374 sdlEventProc(e, game);
1385 // allow game chance to pause
1386 gameFocused = false;
1390 // game is not in focus, give CPU time to other apps by waiting for messages instead of 'peeking'
1391 STUBBED("give up CPU but sniff the event queue");
1395 regnow = game.registernow;
1400 // if(game.registernow){
1403 #if (defined(__APPLE__) && defined(__MACH__))
1404 launch_web_browser("http://www.wolfire.com/purchase/lugaru/mac");
1405 #elif PLATFORM_LINUX
1406 launch_web_browser("http://www.wolfire.com/purchase/lugaru/linux");
1408 launch_web_browser("http://www.wolfire.com/purchase/lugaru/pc");
1412 #if PLATFORM_LINUX // (this may not be necessary any more.)
1413 _exit(0); // !!! FIXME: hack...crashes on exit!
1417 catch (const std::exception& error)
1421 std::string e = "Caught exception: ";
1426 MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
1436 // --------------------------------------------------------------------------
1439 int resolutionID(int width, int height)
1443 if(width==640 && height==480)whichres=0;
1444 if(width==800 && height==600)whichres=1;
1445 if(width==1024 && height==768)whichres=2;
1446 if(width==1280 && height==1024)whichres=3;
1447 if(width==1600 && height==1200)whichres=4;
1448 if(width==840 && height==524)whichres=5;
1449 if(width==1024 && height==640)whichres=6;
1450 if(width==1344 && height==840)whichres=7;
1451 if(width==1920 && height==1200)whichres=8;
1456 int closestResolution(int width, int height)
1460 if(width>=640 && height>=480)whichres=0;
1461 if(width>=800 && height>=600)whichres=1;
1462 if(width>=1024 && height>=768)whichres=2;
1463 if(width>=1280 && height>=1024)whichres=3;
1464 if(width>=1600 && height>=1200)whichres=4;
1465 if(width==840 && height==524)whichres=5;
1466 if(width==1024 && height==640)whichres=6;
1467 if(width==1344 && height==840)whichres=7;
1468 if(width>=1920 && height>=1200)whichres=8;
1474 bool selectDetail(int & width, int & height, int & bpp, int & detail)
1478 // currently with SDL, we just use whatever is requested
1479 // and don't care. --ryan.
1481 int whichres = closestResolution(width, height);
1485 if(whichres<=0 || whichres>8){
1523 if ((detail != 0) && (resolutionDepths[whichres][1] != 0))
1527 else if ((detail == 0) && (resolutionDepths[whichres][0] != 0))
1531 else if ((detail != 0) && (resolutionDepths[whichres][0] != 0))
1547 bpp = resolutionDepths[whichres][(detail != 0)];
1553 extern int channels[100];
1554 extern OPENAL_SAMPLE * samp[100];
1555 extern OPENAL_STREAM * strm[20];
1557 extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1559 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1560 if (currSample && currSample == samp[chan])
1562 if (OPENAL_GetPaused(channels[chan]))
1564 OPENAL_StopSound(channels[chan]);
1565 channels[chan] = OPENAL_FREE;
1567 else if (OPENAL_IsPlaying(channels[chan]))
1569 int loop_mode = OPENAL_GetLoopMode(channels[chan]);
1570 if (loop_mode & OPENAL_LOOP_OFF)
1572 channels[chan] = OPENAL_FREE;
1578 channels[chan] = OPENAL_FREE;
1581 channels[chan] = OPENAL_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
1582 if (channels[chan] < 0)
1584 channels[chan] = OPENAL_PlaySoundEx(OPENAL_FREE, sptr, dsp, startpaused);
1588 extern "C" void PlayStreamEx(int chan, OPENAL_STREAM *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1590 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1591 if (currSample && currSample == OPENAL_Stream_GetSample(sptr))
1593 OPENAL_StopSound(channels[chan]);
1594 OPENAL_Stream_Stop(sptr);
1598 OPENAL_Stream_Stop(sptr);
1599 channels[chan] = OPENAL_FREE;
1602 channels[chan] = OPENAL_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
1603 if (channels[chan] < 0)
1605 channels[chan] = OPENAL_Stream_PlayEx(OPENAL_FREE, sptr, dsp, startpaused);
1609 bool LoadImage(const char * fname, TGAImageRec & tex)
1613 if ( tex.data == NULL )
1619 res = load_image(fname, tex);
1625 void ScreenShot(const char * fname)
1634 static bool load_image(const char *file_name, TGAImageRec &tex)
1636 const char *ptr = strrchr((char *)file_name, '.');
1639 if (strcasecmp(ptr+1, "png") == 0)
1640 return load_png(file_name, tex);
1641 else if (strcasecmp(ptr+1, "jpg") == 0)
1642 return load_jpg(file_name, tex);
1645 STUBBED("Unsupported image type");
1650 struct my_error_mgr {
1651 struct jpeg_error_mgr pub; /* "public" fields */
1652 jmp_buf setjmp_buffer; /* for return to caller */
1654 typedef struct my_error_mgr * my_error_ptr;
1657 static void my_error_exit(j_common_ptr cinfo)
1659 struct my_error_mgr *err = (struct my_error_mgr *)cinfo->err;
1660 longjmp(err->setjmp_buffer, 1);
1663 /* stolen from public domain example.c code in libjpg distribution. */
1664 static bool load_jpg(const char *file_name, TGAImageRec &tex)
1666 struct jpeg_decompress_struct cinfo;
1667 struct my_error_mgr jerr;
1668 JSAMPROW buffer[1]; /* Output row buffer */
1669 int row_stride; /* physical row width in output buffer */
1670 FILE *infile = fopen(file_name, "rb");
1675 cinfo.err = jpeg_std_error(&jerr.pub);
1676 jerr.pub.error_exit = my_error_exit;
1677 if (setjmp(jerr.setjmp_buffer)) {
1678 jpeg_destroy_decompress(&cinfo);
1683 jpeg_create_decompress(&cinfo);
1684 jpeg_stdio_src(&cinfo, infile);
1685 (void) jpeg_read_header(&cinfo, TRUE);
1687 cinfo.out_color_space = JCS_RGB;
1688 cinfo.quantize_colors = 0;
1689 (void) jpeg_calc_output_dimensions(&cinfo);
1690 (void) jpeg_start_decompress(&cinfo);
1692 row_stride = cinfo.output_width * cinfo.output_components;
1693 tex.sizeX = cinfo.output_width;
1694 tex.sizeY = cinfo.output_height;
1697 while (cinfo.output_scanline < cinfo.output_height) {
1698 buffer[0] = (JSAMPROW)(char *)tex.data +
1699 ((cinfo.output_height-1) - cinfo.output_scanline) * row_stride;
1700 (void) jpeg_read_scanlines(&cinfo, buffer, 1);
1703 (void) jpeg_finish_decompress(&cinfo);
1704 jpeg_destroy_decompress(&cinfo);
1711 /* stolen from public domain example.c code in libpng distribution. */
1712 static bool load_png(const char *file_name, TGAImageRec &tex)
1714 bool hasalpha = false;
1715 png_structp png_ptr = NULL;
1716 png_infop info_ptr = NULL;
1717 png_uint_32 width, height;
1718 int bit_depth, color_type, interlace_type;
1719 png_byte **rows = NULL;
1720 bool retval = false;
1721 png_byte **row_pointers = NULL;
1722 FILE *fp = fopen(file_name, "rb");
1727 png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1728 if (png_ptr == NULL)
1731 info_ptr = png_create_info_struct(png_ptr);
1732 if (info_ptr == NULL)
1735 if (setjmp(png_jmpbuf(png_ptr)))
1738 png_init_io(png_ptr, fp);
1739 png_read_png(png_ptr, info_ptr,
1740 PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_PACKING,
1742 png_get_IHDR(png_ptr, info_ptr, &width, &height,
1743 &bit_depth, &color_type, &interlace_type, NULL, NULL);
1745 if (bit_depth != 8) // transform SHOULD handle this...
1748 if (color_type & PNG_COLOR_MASK_PALETTE) // !!! FIXME?
1751 if ((color_type & PNG_COLOR_MASK_COLOR) == 0) // !!! FIXME?
1754 hasalpha = ((color_type & PNG_COLOR_MASK_ALPHA) != 0);
1755 row_pointers = png_get_rows(png_ptr, info_ptr);
1761 png_byte *dst = tex.data;
1762 for (int i = height-1; i >= 0; i--)
1764 png_byte *src = row_pointers[i];
1765 for (int j = 0; j < width; j++)
1779 png_byte *dst = tex.data;
1780 int pitch = width * 4;
1781 for (int i = height-1; i >= 0; i--, dst += pitch)
1782 memcpy(dst, row_pointers[i], pitch);
1791 png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
1798 static bool save_image(const char *file_name)
1800 const char *ptr = strrchr((char *)file_name, '.');
1803 if (strcasecmp(ptr+1, "png") == 0)
1804 return save_png(file_name);
1807 STUBBED("Unsupported image type");
1812 static bool save_png(const char *file_name)
1815 png_structp png_ptr = NULL;
1816 png_infop info_ptr = NULL;
1817 bool retval = false;
1819 fp = fopen(file_name, "wb");
1823 png_bytep *row_pointers = new png_bytep[kContextHeight];
1824 png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];
1825 if ((!screenshot) || (!row_pointers))
1829 glReadPixels(0, 0, kContextWidth, kContextHeight,
1830 GL_RGB, GL_UNSIGNED_BYTE, screenshot);
1831 if (glGetError() != GL_NO_ERROR)
1834 for (int i = 0; i < kContextHeight; i++)
1835 row_pointers[i] = screenshot + ((kContextWidth * ((kContextHeight-1) - i)) * 3);
1837 png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1838 if (png_ptr == NULL)
1841 info_ptr = png_create_info_struct(png_ptr);
1842 if (info_ptr == NULL)
1845 if (setjmp(png_jmpbuf(png_ptr)))
1848 png_init_io(png_ptr, fp);
1850 if (setjmp(png_jmpbuf(png_ptr)))
1853 png_set_IHDR(png_ptr, info_ptr, kContextWidth, kContextHeight,
1854 8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
1855 PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
1857 png_write_info(png_ptr, info_ptr);
1859 if (setjmp(png_jmpbuf(png_ptr)))
1862 png_write_image(png_ptr, row_pointers);
1864 if (setjmp(png_jmpbuf(png_ptr)))
1867 png_write_end(png_ptr, NULL);
1871 png_destroy_write_struct(&png_ptr, &info_ptr);
1872 delete[] screenshot;
1873 delete[] row_pointers;
1877 unlink(ConvertFileName(file_name));