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.
24 #define UINT8 WIN32API_UINT8
25 #define UINT16 WIN32API_UINT16
26 #define boolean WIN32API_boolean
40 #define INT32 INT32_jpeg
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);
55 #include "openal_wrapper.h"
59 #pragma comment(lib, "opengl32.lib")
60 #pragma comment(lib, "glu32.lib")
61 #pragma comment(lib, "glaux.lib")
64 extern bool buttons[3];
65 extern float multiplier;
66 extern float screenwidth,screenheight;
68 extern float realmultiplier;
70 extern bool ismotionblur;
71 extern float usermousesensitivity;
73 extern bool floatjump;
74 extern bool cellophane;
76 //extern int terraindetail;
77 //extern int texdetail;
78 extern float terraindetail;
79 extern float texdetail;
80 extern int bloodtoggle;
82 extern bool autoslomo;
84 extern bool musictoggle;
85 extern bool trilinear;
86 extern float gamespeed;
87 extern int difficulty;
88 extern bool damageeffects;
89 extern int numplayers;
91 extern bool invertmouse;
92 extern bool texttoggle;
93 extern bool ambientsound;
94 extern bool mousejump;
96 extern Person player[maxplayers];
98 extern bool stillloading;
99 extern bool showpoints;
100 extern bool alwaysblur;
101 extern bool immediate;
102 extern bool velocityblur;
103 extern bool debugmode;
105 /*extern*/ bool gameFocused;
106 extern int kBitsPerPixel;
107 extern float slomospeed;
108 extern float slomofreq;
109 extern float oldgamespeed;
118 #include "MacCompatibility.h"
122 #include <shellapi.h>
125 #include "res/resource.h"
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[] = {
144 unsigned int resolutionDepths[8][2] = {0};
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);
150 void ReportError (char * strError);
152 void SetupDSpFullScreen();
155 void DrawGL(Game & game);
157 void CreateGLWindow (void);
158 Boolean SetUp (Game & game);
159 void DoKey (SInt8 theKey, SInt8 theCode);
160 void DoUpdate (Game & game);
166 // statics/globals (internal only) ------------------------------------------
168 typedef struct tagPOINT {
177 #pragma warning(push)
178 #pragma warning(disable: 4273)
181 #define GL_FUNC(ret,fn,params,call,rt) \
183 static ret (GLAPIENTRY *p##fn) params = NULL; \
184 ret GLAPIENTRY fn params { rt p##fn call; } \
193 static bool lookup_glsym(const char *funcname, void **func)
195 *func = SDL_GL_GetProcAddress(funcname);
198 fprintf(stderr, "Failed to find OpenGL symbol \"%s\"\n", funcname);
204 static bool lookup_all_glsyms(void)
207 #define GL_FUNC(ret,fn,params,call,rt) \
208 if (!lookup_glsym(#fn, (void **) &p##fn)) retval = false;
214 static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textures)
221 void sdlGetCursorPos(POINT *pt)
224 SDL_GetMouseState(&x, &y);
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)
235 #define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
240 static bool g_button, fullscreen = true;
251 kForegroundSleep = 10,
252 kBackgroundSleep = 10000
259 const RGBColor rgbBlack = { 0x0000, 0x0000, 0x0000 };
262 char gcstrMode [256] = "";
264 UInt32 gSleepTime = kForegroundSleep;
265 Boolean gDone = false, gfFrontProcess = true;
270 static int _argc = 0;
271 static char **_argv = NULL;
274 bool cmdline(const char *cmd)
276 for (int i = 1; i < _argc; i++)
278 char *arg = _argv[i];
281 if (strcasecmp(arg, cmd) == 0)
289 // --------------------------------------------------------------------------
291 void ReportError (char * strError)
293 #ifdef _MSC_VER // !!! FIXME. --ryan.
294 throw std::exception( strError);
297 /* char errMsgCStr [256];
300 sprintf (errMsgCStr, "%s", strError);
302 // out as debug string
303 CToPStr (strErr, errMsgCStr);
308 void SetupDSpFullScreen ()
318 //-----------------------------------------------------------------------------------------------------------------------
322 void DrawGL (Game & game)
324 if ( stereomode == stereoNone ) {
325 game.DrawGLScene(stereoCenter);
327 game.DrawGLScene(stereoLeft);
328 game.DrawGLScene(stereoRight);
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 #define MAX_SDLKEYS SDLK_LAST
357 static unsigned short KeyTable[MAX_SDLKEYS];
359 static void initSDLKeyTable(void)
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;
454 static inline int clamp_sdl_mouse_button(Uint8 button)
456 if (button == 2) // right mouse button is button 3 in SDL.
458 else if (button == 3)
461 if ((button >= 1) && (button <= 3))
466 static void sdlEventProc(const SDL_Event &e, Game &game)
469 bool skipkey = false;
474 case SDL_MOUSEMOTION:
475 game.deltah += e.motion.xrel;
476 game.deltav += e.motion.yrel;
479 case SDL_MOUSEBUTTONDOWN:
481 val = clamp_sdl_mouse_button(e.button.button);
482 if ((val >= 0) && (val <= 2))
491 case SDL_MOUSEBUTTONUP:
493 val = clamp_sdl_mouse_button(e.button.button);
494 if ((val >= 0) && (val <= 2))
498 buttons[val] = false;
504 if (e.key.keysym.sym == SDLK_g)
506 if (e.key.keysym.mod & KMOD_CTRL)
509 SDL_GrabMode mode = SDL_GRAB_ON;
510 if ((SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) == 0)
512 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
513 mode = (mode==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON;
515 SDL_WM_GrabInput(mode);
519 else if (e.key.keysym.sym == SDLK_RETURN)
521 if (e.key.keysym.mod & KMOD_ALT)
524 SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
528 if ((!skipkey) && (e.key.keysym.sym < SDLK_LAST))
530 if (KeyTable[e.key.keysym.sym] != 0xffff)
531 SetKey(KeyTable[e.key.keysym.sym]);
534 mod = SDL_GetModState();
536 SetKey(MAC_CONTROL_KEY);
538 SetKey(MAC_OPTION_KEY);
540 SetKey(MAC_COMMAND_KEY);
541 if (mod & KMOD_SHIFT)
542 SetKey(MAC_SHIFT_KEY);
544 SetKey(MAC_CAPS_LOCK_KEY);
549 if (e.key.keysym.sym < SDLK_LAST)
551 if (KeyTable[e.key.keysym.sym] != 0xffff)
552 ClearKey(KeyTable[e.key.keysym.sym]);
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);
571 // --------------------------------------------------------------------------
573 static Point gMidPoint;
575 Boolean SetUp (Game & game)
581 randSeed = UpTime().lo;
584 ifstream ipstream(ConvertFileName(":Data:config.txt"), std::ios::in /*| std::ios::nocreate*/);
587 usermousesensitivity=1;
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;
631 selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
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";
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";
657 opstream << "\nMusic:\n";
658 opstream << musictoggle;
659 opstream << "\nTrilinear:\n";
660 opstream << trilinear;
661 opstream << "\nDecals(shadows,blood puddles,etc):\n";
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";
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";
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);
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');
722 ismotionblur = (i != 0);
723 ipstream.ignore(256,'\n');
724 ipstream.ignore(256,'\n');
726 if(detail!=0)kBitsPerPixel=32;
727 else kBitsPerPixel=16;
728 ipstream.ignore(256,'\n');
729 ipstream.ignore(256,'\n');
731 floatjump = (i != 0);
732 ipstream.ignore(256,'\n');
733 ipstream.ignore(256,'\n');
735 mousejump = (i != 0);
736 ipstream.ignore(256,'\n');
737 ipstream.ignore(256,'\n');
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');
746 autoslomo = (i != 0);
747 ipstream.ignore(256,'\n');
748 ipstream.ignore(256,'\n');
751 ipstream.ignore(256,'\n');
752 ipstream.ignore(256,'\n');
754 musictoggle = (i != 0);
755 ipstream.ignore(256,'\n');
756 ipstream.ignore(256,'\n');
758 trilinear = (i != 0);
759 ipstream.ignore(256,'\n');
760 ipstream.ignore(256,'\n');
763 ipstream.ignore(256,'\n');
764 ipstream.ignore(256,'\n');
766 invertmouse = (i != 0);
767 ipstream.ignore(256,'\n');
768 ipstream.ignore(256,'\n');
769 ipstream >> gamespeed;
770 oldgamespeed=gamespeed;
775 ipstream.ignore(256,'\n');
776 ipstream.ignore(256,'\n');
777 ipstream >> difficulty;
778 ipstream.ignore(256,'\n');
779 ipstream.ignore(256,'\n');
781 damageeffects = (i != 0);
782 ipstream.ignore(256,'\n');
783 ipstream.ignore(256,'\n');
785 texttoggle = (i != 0);
786 ipstream.ignore(256,'\n');
787 ipstream.ignore(256,'\n');
789 debugmode = (i != 0);
790 ipstream.ignore(256,'\n');
791 ipstream.ignore(256,'\n');
794 ipstream.ignore(256,'\n');
795 ipstream.ignore(256,'\n');
797 showpoints = (i != 0);
798 ipstream.ignore(256,'\n');
799 ipstream.ignore(256,'\n');
801 alwaysblur = (i != 0);
802 ipstream.ignore(256,'\n');
803 ipstream.ignore(256,'\n');
805 immediate = (i != 0);
806 ipstream.ignore(256,'\n');
807 ipstream.ignore(256,'\n');
809 velocityblur = (i != 0);
810 ipstream.ignore(256,'\n');
811 ipstream.ignore(256,'\n');
813 ipstream.ignore(256,'\n');
814 ipstream.ignore(256,'\n');
816 game.forwardkey=CharToKey(string);
817 ipstream.ignore(256,'\n');
818 ipstream.ignore(256,'\n');
820 game.backkey=CharToKey(string);
821 ipstream.ignore(256,'\n');
822 ipstream.ignore(256,'\n');
824 game.leftkey=CharToKey(string);
825 ipstream.ignore(256,'\n');
826 ipstream.ignore(256,'\n');
828 game.rightkey=CharToKey(string);
829 ipstream.ignore(256,'\n');
830 ipstream.ignore(256,'\n');
832 game.jumpkey=CharToKey(string);
833 ipstream.ignore(256,'\n');
834 ipstream.ignore(256,'\n');
836 game.crouchkey=CharToKey(string);
837 ipstream.ignore(256,'\n');
838 ipstream.ignore(256,'\n');
840 game.drawkey=CharToKey(string);
841 ipstream.ignore(256,'\n');
842 ipstream.ignore(256,'\n');
844 game.throwkey=CharToKey(string);
845 ipstream.ignore(256,'\n');
846 ipstream.ignore(256,'\n');
848 game.attackkey=CharToKey(string);
849 ipstream.ignore(256,'\n');
850 ipstream.ignore(256,'\n');
852 game.chatkey=CharToKey(string);
855 if(detail>2)detail=2;
856 if(detail<0)detail=0;
857 if(screenwidth<0)screenwidth=640;
858 if(screenheight<0)screenheight=480;
861 if(kBitsPerPixel!=32&&kBitsPerPixel!=16){
866 selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
868 SetupDSpFullScreen();
871 if (!SDL_WasInit(SDL_INIT_VIDEO))
873 if (SDL_Init(SDL_INIT_VIDEO) == -1)
875 fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
879 if (SDL_GL_LoadLibrary(NULL) == -1)
881 fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
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;
890 // reverse list (it was sorted biggest to smallest by SDL)...
892 for (count = 0; res[count]; count++)
894 if ((res[count]->w < 640) || (res[count]->h < 480))
895 break; // sane lower limit.
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))
904 fprintf(stderr, "Out of memory!\n");
908 resolutions[count--] = NULL;
909 for (int i = 0; count >= 0; i++, count--)
911 memcpy(&resolutions_block[count], res[i], sizeof (SDL_Rect));
912 resolutions[count] = &resolutions_block[count];
915 if (cmdline("showresolutions"))
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);
923 Uint32 sdlflags = SDL_OPENGL;
924 if (!cmdline("windowed"))
925 sdlflags |= SDL_FULLSCREEN;
927 SDL_WM_SetCaption("Lugaru", "Lugaru");
931 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
932 SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 1);
934 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
936 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
937 fprintf(stderr, "forcing 640x480...\n");
939 kContextHeight = 480;
940 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
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)
947 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
954 if ((SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &dblbuf) == -1) || (!dblbuf))
956 fprintf(stderr, "Failed to get double buffered GL context!\n");
961 if (!lookup_all_glsyms())
967 if (!cmdline("nomousegrab"))
968 SDL_WM_GrabInput(SDL_GRAB_ON);
971 glClear( GL_COLOR_BUFFER_BIT );
975 glDisable( GL_ALPHA_TEST);
976 glDisable( GL_BLEND);
977 glDisable( GL_DEPTH_TEST);
978 // glDisable( GL_DITHER);
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);
994 // set initial rendering states
995 glShadeModel( GL_SMOOTH);
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);
1012 GLint width = kContextWidth;
1013 GLint height = kContextHeight;
1014 gMidPoint.h = width / 2;
1015 gMidPoint.v = height / 2;
1017 screenheight=height;
1019 game.newdetail=detail;
1020 game.newscreenwidth=screenwidth;
1021 game.newscreenheight=screenheight;
1023 GLint stencilbits = 0;
1024 glGetIntegerv(GL_STENCIL_BITS, &stencilbits);
1025 if ( stencilbits < 1 ) {
1026 fprintf(stderr, "Failed to get a stencil buffer!\n");
1031 fprintf(stderr, "Stencil buffer has %i bits, good.\n", stencilbits);
1032 fprintf(stderr, "Screen width is %i, height is %i\n", kContextWidth, kContextHeight);
1034 glEnable( GL_STENCIL_TEST);
1036 glClear( GL_STENCIL_BUFFER_BIT );
1037 glStencilFunc(GL_ALWAYS, 0x1, 0x1);
1038 glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
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};
1048 glViewport(0,0, kContextWidth, kContextHeight);
1049 glMatrixMode(GL_PROJECTION);
1051 glOrtho((GLdouble)0, (GLdouble)kContextWidth, (GLdouble)kContextHeight, 0, -1, 1);
1052 glMatrixMode(GL_MODELVIEW);
1055 for(int y=0;y<kContextHeight;y+=2) {
1057 for(int x=0;x<kContextWidth;x++) {
1058 glRasterPos2i(x, y);
1059 glDrawPixels(1, 1, GL_RGB, GL_UNSIGNED_BYTE, &stencil);
1063 glStencilFunc(GL_NOTEQUAL, 0x01, 0x01);
1064 glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
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);
1079 static void DoMouse(Game & game)
1082 if(mainmenu||(abs(game.deltah)<10*realmultiplier*1000&&abs(game.deltav)<10*realmultiplier*1000))
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;
1102 // --------------------------------------------------------------------------
1104 void DoKey (SInt8 theKey, SInt8 theCode)
1109 // --------------------------------------------------------------------------
1113 void DoFrameRate (int update)
1115 static long frames = 0;
1117 static AbsoluteTime time = {0,0};
1118 static AbsoluteTime frametime = {0,0};
1119 AbsoluteTime currTime = UpTime ();
1120 double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
1122 if (0 > deltaTime) // if negative microseconds
1123 deltaTime /= -1000000.0;
1124 else // else milliseconds
1125 deltaTime /= 1000.0;
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
1132 deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
1134 if (0 > deltaTime) // if negative microseconds
1135 deltaTime /= -1000000.0;
1136 else // else milliseconds
1137 deltaTime /= 1000.0;
1139 if (0.001 <= deltaTime) // has update interval passed
1142 time = currTime; // reset for next time interval
1149 void DoUpdate (Game & game)
1151 static float sps=200;
1153 static float oldmult;
1156 if(multiplier>.6)multiplier=.6;
1158 game.fps=1/multiplier;
1160 count = multiplier*sps;
1162 //if(count>10)count=10;
1164 realmultiplier=multiplier;
1165 multiplier*=gamespeed;
1166 if(difficulty==1)multiplier*=.9;
1167 if(difficulty==0)multiplier*=.8;
1169 if(game.loading==4)multiplier*=.00001;
1171 if(slomo&&!mainmenu)multiplier*=slomospeed;
1172 //if(freeze)multiplier*=0.00001;
1174 multiplier/=(float)count;
1180 for(int i=0;i<count;i++)
1186 game.TickOnceAfter();
1187 /* - Debug code to test how many channels were active on average per frame
1188 static long frames = 0;
1190 static AbsoluteTime start = {0,0};
1191 AbsoluteTime currTime = UpTime ();
1192 static int num_channels = 0;
1194 num_channels += OPENAL_GetChannelsPlaying();
1195 double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
1197 if (0 > deltaTime) // if negative microseconds
1198 deltaTime /= -1000000.0;
1199 else // else milliseconds
1200 deltaTime /= 1000.0;
1207 float avg_channels = (float)num_channels / (float)frames;
1209 ofstream opstream("log.txt",ios::app);
1210 opstream << "Average frame count: ";
1212 opstream << " frames - ";
1213 opstream << avg_channels;
1214 opstream << " per frame.\n";
1224 // --------------------------------------------------------------------------
1237 #define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
1238 #include "glstubs.h"
1240 // cheat here...static destructors are calling glDeleteTexture() after
1241 // the context is destroyed and libGL unloaded by SDL_Quit().
1242 pglDeleteTextures = glDeleteTextures_doNothing;
1246 // --------------------------------------------------------------------------
1248 static bool IsFocused()
1250 return ((SDL_GetAppState() & SDL_APPINPUTFOCUS) != 0);
1254 static void launch_web_browser(const char *url)
1257 ShellExecute(NULL, "open", url, NULL, NULL, SW_SHOWNORMAL);
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);
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);
1279 // (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
1280 static char *findBinaryInPath(const char *bin, char *envr)
1282 size_t alloc_size = 0;
1290 ptr = strchr(start, ':'); /* find next $PATH separator. */
1294 size = strlen(start) + strlen(bin) + 2;
1295 if (size > alloc_size)
1297 char *x = (char *) realloc(exe, size);
1309 /* build full binary path... */
1311 if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
1315 if (access(exe, X_OK) == 0) /* Exists as executable? We're done. */
1317 strcpy(exe, start); /* i'm lazy. piss off. */
1321 start = ptr + 1; /* start points to beginning of next element. */
1322 } while (ptr != NULL);
1327 return(NULL); /* doesn't exist in path. */
1328 } /* findBinaryInPath */
1331 char *calcBaseDir(const char *argv0)
1333 /* If there isn't a path on argv0, then look through the $PATH for it. */
1337 const char *ptr = strrchr((char *)argv0, '/');
1338 if (strchr(argv0, '/'))
1340 retval = strdup(argv0);
1342 *((char *) strrchr(retval, '/')) = '\0';
1346 envr = getenv("PATH");
1347 if (!envr) return NULL;
1348 envr = strdup(envr);
1349 if (!envr) return NULL;
1350 retval = findBinaryInPath(argv0, envr);
1355 static inline void chdirToAppPath(const char *argv0)
1357 char *dir = calcBaseDir(argv0);
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)
1368 char *ptr = (dir + len) - bundledirslen;
1369 if (strcasecmp(ptr, bundledirs) == 0)
1380 int main(int argc, char **argv)
1387 // !!! FIXME: we could use a Win32 API for this. --ryan.
1389 chdirToAppPath(argv[0]);
1394 memset( &g_theKeys, 0, sizeof( KeyMap));
1400 bool regnow = false;
1405 //ofstream os("error.txt");
1407 //ofstream os("log.txt");
1413 while (!gDone&&!game.quit&&(!game.tryquit))
1419 // check windows messages
1425 while( SDL_PollEvent( &e ) )
1427 if( e.type == SDL_QUIT )
1432 sdlEventProc(e, game);
1443 // allow game chance to pause
1444 gameFocused = false;
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");
1453 regnow = game.registernow;
1458 // if(game.registernow){
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");
1466 launch_web_browser("http://www.wolfire.com/purchase/lugaru/pc");
1470 #if PLATFORM_LINUX // (this may not be necessary any more.)
1471 _exit(0); // !!! FIXME: hack...crashes on exit!
1475 catch (const std::exception& error)
1479 std::string e = "Caught exception: ";
1484 MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
1494 // --------------------------------------------------------------------------
1498 bool selectDetail(int & width, int & height, int & bpp, int & detail)
1502 // currently with SDL, we just use whatever is requested
1503 // and don't care. --ryan.
1509 extern int channels[100];
1510 extern OPENAL_SAMPLE * samp[100];
1511 extern OPENAL_STREAM * strm[20];
1513 extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1515 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1516 if (currSample && currSample == samp[chan])
1518 if (OPENAL_GetPaused(channels[chan]))
1520 OPENAL_StopSound(channels[chan]);
1521 channels[chan] = OPENAL_FREE;
1523 else if (OPENAL_IsPlaying(channels[chan]))
1525 int loop_mode = OPENAL_GetLoopMode(channels[chan]);
1526 if (loop_mode & OPENAL_LOOP_OFF)
1528 channels[chan] = OPENAL_FREE;
1534 channels[chan] = OPENAL_FREE;
1537 channels[chan] = OPENAL_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
1538 if (channels[chan] < 0)
1540 channels[chan] = OPENAL_PlaySoundEx(OPENAL_FREE, sptr, dsp, startpaused);
1544 extern "C" void PlayStreamEx(int chan, OPENAL_STREAM *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1546 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1547 if (currSample && currSample == OPENAL_Stream_GetSample(sptr))
1549 OPENAL_StopSound(channels[chan]);
1550 OPENAL_Stream_Stop(sptr);
1554 OPENAL_Stream_Stop(sptr);
1555 channels[chan] = OPENAL_FREE;
1558 channels[chan] = OPENAL_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
1559 if (channels[chan] < 0)
1561 channels[chan] = OPENAL_Stream_PlayEx(OPENAL_FREE, sptr, dsp, startpaused);
1566 bool LoadImage(const char * fname, TGAImageRec & tex)
1570 if ( tex.data == NULL )
1576 res = load_image(fname, tex);
1582 void ScreenShot(const char * fname)
1591 static bool load_image(const char *file_name, TGAImageRec &tex)
1593 const char *ptr = strrchr((char *)file_name, '.');
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);
1602 STUBBED("Unsupported image type");
1607 struct my_error_mgr {
1608 struct jpeg_error_mgr pub; /* "public" fields */
1609 jmp_buf setjmp_buffer; /* for return to caller */
1611 typedef struct my_error_mgr * my_error_ptr;
1614 static void my_error_exit(j_common_ptr cinfo)
1616 struct my_error_mgr *err = (struct my_error_mgr *)cinfo->err;
1617 longjmp(err->setjmp_buffer, 1);
1620 /* stolen from public domain example.c code in libjpg distribution. */
1621 static bool load_jpg(const char *file_name, TGAImageRec &tex)
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");
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);
1640 jpeg_create_decompress(&cinfo);
1641 jpeg_stdio_src(&cinfo, infile);
1642 (void) jpeg_read_header(&cinfo, TRUE);
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);
1649 row_stride = cinfo.output_width * cinfo.output_components;
1650 tex.sizeX = cinfo.output_width;
1651 tex.sizeY = cinfo.output_height;
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);
1660 (void) jpeg_finish_decompress(&cinfo);
1661 jpeg_destroy_decompress(&cinfo);
1668 /* stolen from public domain example.c code in libpng distribution. */
1669 static bool load_png(const char *file_name, TGAImageRec &tex)
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");
1684 png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1685 if (png_ptr == NULL)
1688 info_ptr = png_create_info_struct(png_ptr);
1689 if (info_ptr == NULL)
1692 if (setjmp(png_jmpbuf(png_ptr)))
1695 png_init_io(png_ptr, fp);
1696 png_read_png(png_ptr, info_ptr,
1697 PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_PACKING,
1699 png_get_IHDR(png_ptr, info_ptr, &width, &height,
1700 &bit_depth, &color_type, &interlace_type, NULL, NULL);
1702 if (bit_depth != 8) // transform SHOULD handle this...
1705 if (color_type & PNG_COLOR_MASK_PALETTE) // !!! FIXME?
1708 if ((color_type & PNG_COLOR_MASK_COLOR) == 0) // !!! FIXME?
1711 hasalpha = ((color_type & PNG_COLOR_MASK_ALPHA) != 0);
1712 row_pointers = png_get_rows(png_ptr, info_ptr);
1718 png_byte *dst = tex.data;
1719 for (int i = height-1; i >= 0; i--)
1721 png_byte *src = row_pointers[i];
1722 for (int j = 0; j < width; j++)
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);
1748 png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
1755 static bool save_image(const char *file_name)
1757 const char *ptr = strrchr((char *)file_name, '.');
1760 if (strcasecmp(ptr+1, "png") == 0)
1761 return save_png(file_name);
1764 STUBBED("Unsupported image type");
1769 static bool save_png(const char *file_name)
1772 png_structp png_ptr = NULL;
1773 png_infop info_ptr = NULL;
1774 bool retval = false;
1776 fp = fopen(file_name, "wb");
1780 png_bytep *row_pointers = new png_bytep[kContextHeight];
1781 png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];
1782 if ((!screenshot) || (!row_pointers))
1786 glReadPixels(0, 0, kContextWidth, kContextHeight,
1787 GL_RGB, GL_UNSIGNED_BYTE, screenshot);
1788 if (glGetError() != GL_NO_ERROR)
1791 for (int i = 0; i < kContextHeight; i++)
1792 row_pointers[i] = screenshot + ((kContextWidth * ((kContextHeight-1) - i)) * 3);
1794 png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1795 if (png_ptr == NULL)
1798 info_ptr = png_create_info_struct(png_ptr);
1799 if (info_ptr == NULL)
1802 if (setjmp(png_jmpbuf(png_ptr)))
1805 png_init_io(png_ptr, fp);
1807 if (setjmp(png_jmpbuf(png_ptr)))
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);
1814 png_write_info(png_ptr, info_ptr);
1816 if (setjmp(png_jmpbuf(png_ptr)))
1819 png_write_image(png_ptr, row_pointers);
1821 if (setjmp(png_jmpbuf(png_ptr)))
1824 png_write_end(png_ptr, NULL);
1828 png_destroy_write_struct(&png_ptr, &info_ptr);
1829 delete[] screenshot;
1830 delete[] row_pointers;
1834 unlink(ConvertFileName(file_name));