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;
67 extern float realmultiplier;
69 extern bool cellophane;
71 //extern int terraindetail;
72 //extern int texdetail;
73 extern float terraindetail;
74 extern float texdetail;
77 extern int numplayers;
79 extern Person player[maxplayers];
80 extern bool stillloading;
82 /*extern*/ bool gameFocused;
84 extern float slomospeed;
85 extern float slomofreq;
95 #include "MacCompatibility.h"
100 #include "win-res/resource.h"
107 SDL_Rect **resolutions = NULL;
108 static SDL_Rect rect_1024_768 = { 0, 0, 1024, 768 };
109 static SDL_Rect rect_800_600 = { 0, 0, 800, 600 };
110 static SDL_Rect rect_640_480 = { 0, 0, 640, 480 };
111 static SDL_Rect *hardcoded_resolutions[] = {
120 unsigned int resolutionDepths[8][2] = {0};
122 bool selectDetail(int & width, int & height, int & bpp, int & detail);
123 int closestResolution(int width, int height);
124 int resolutionID(int width, int height);
126 void ReportError (char * strError);
128 void SetupDSpFullScreen();
131 void DrawGL(Game & game);
133 void CreateGLWindow (void);
134 Boolean SetUp (Game & game);
135 void DoKey (SInt8 theKey, SInt8 theCode);
136 void DoUpdate (Game & game);
142 // statics/globals (internal only) ------------------------------------------
144 typedef struct tagPOINT {
153 #pragma warning(push)
154 #pragma warning(disable: 4273)
157 #define GL_FUNC(ret,fn,params,call,rt) \
159 static ret (GLAPIENTRY *p##fn) params = NULL; \
160 ret GLAPIENTRY fn params { rt p##fn call; } \
169 static bool lookup_glsym(const char *funcname, void **func)
171 *func = SDL_GL_GetProcAddress(funcname);
174 fprintf(stderr, "Failed to find OpenGL symbol \"%s\"\n", funcname);
180 static bool lookup_all_glsyms(void)
183 #define GL_FUNC(ret,fn,params,call,rt) \
184 if (!lookup_glsym(#fn, (void **) &p##fn)) retval = false;
190 static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textures)
197 void sdlGetCursorPos(POINT *pt)
200 SDL_GetMouseState(&x, &y);
204 #define GetCursorPos(x) sdlGetCursorPos(x)
205 #define SetCursorPos(x, y) SDL_WarpMouse(x, y)
206 #define ScreenToClient(x, pt)
207 #define ClientToScreen(x, pt)
211 #define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
216 static bool g_button, fullscreen = true;
227 kForegroundSleep = 10,
228 kBackgroundSleep = 10000
235 const RGBColor rgbBlack = { 0x0000, 0x0000, 0x0000 };
238 char gcstrMode [256] = "";
240 UInt32 gSleepTime = kForegroundSleep;
241 Boolean gDone = false, gfFrontProcess = true;
246 static int _argc = 0;
247 static char **_argv = NULL;
250 bool cmdline(const char *cmd)
252 for (int i = 1; i < _argc; i++)
254 char *arg = _argv[i];
257 if (strcasecmp(arg, cmd) == 0)
265 // --------------------------------------------------------------------------
267 void ReportError (char * strError)
269 #ifdef _MSC_VER // !!! FIXME. --ryan.
270 throw std::exception( strError);
273 /* char errMsgCStr [256];
276 sprintf (errMsgCStr, "%s", strError);
278 // out as debug string
279 CToPStr (strErr, errMsgCStr);
284 void SetupDSpFullScreen ()
294 //-----------------------------------------------------------------------------------------------------------------------
298 void DrawGL (Game & game)
300 if ( stereomode == stereoNone ) {
301 game.DrawGLScene(stereoCenter);
303 game.DrawGLScene(stereoLeft);
304 game.DrawGLScene(stereoRight);
309 static KeyMap g_theKeys;
311 void SetKey( int key)
313 g_theKeys[ key >> 3] |= (1 << (key & 7));
316 void ClearKey( int key)
318 g_theKeys[ key >> 3] &= (0xff ^ (1 << (key & 7)));
321 void GetKeys( unsigned char theKeys[16])
323 memcpy( theKeys, &g_theKeys, 16);
332 #define MAX_SDLKEYS SDLK_LAST
333 static unsigned short KeyTable[MAX_SDLKEYS];
335 static void initSDLKeyTable(void)
337 memset(KeyTable, 0xFF, sizeof (KeyTable));
338 KeyTable[SDLK_BACKSPACE] = MAC_DELETE_KEY;
339 KeyTable[SDLK_TAB] = MAC_TAB_KEY;
340 KeyTable[SDLK_RETURN] = MAC_RETURN_KEY;
341 KeyTable[SDLK_ESCAPE] = MAC_ESCAPE_KEY;
342 KeyTable[SDLK_SPACE] = MAC_SPACE_KEY;
343 KeyTable[SDLK_PAGEUP] = MAC_PAGE_UP_KEY;
344 KeyTable[SDLK_PAGEDOWN] = MAC_PAGE_DOWN_KEY;
345 KeyTable[SDLK_END] = MAC_END_KEY;
346 KeyTable[SDLK_HOME] = MAC_HOME_KEY;
347 KeyTable[SDLK_LEFT] = MAC_ARROW_LEFT_KEY;
348 KeyTable[SDLK_UP] = MAC_ARROW_UP_KEY;
349 KeyTable[SDLK_RIGHT] = MAC_ARROW_RIGHT_KEY;
350 KeyTable[SDLK_DOWN] = MAC_ARROW_DOWN_KEY;
351 KeyTable[SDLK_INSERT] = MAC_INSERT_KEY;
352 KeyTable[SDLK_DELETE] = MAC_DEL_KEY;
353 KeyTable[SDLK_0] = MAC_0_KEY;
354 KeyTable[SDLK_1] = MAC_1_KEY;
355 KeyTable[SDLK_2] = MAC_2_KEY;
356 KeyTable[SDLK_3] = MAC_3_KEY;
357 KeyTable[SDLK_4] = MAC_4_KEY;
358 KeyTable[SDLK_5] = MAC_5_KEY;
359 KeyTable[SDLK_6] = MAC_6_KEY;
360 KeyTable[SDLK_7] = MAC_7_KEY;
361 KeyTable[SDLK_8] = MAC_8_KEY;
362 KeyTable[SDLK_9] = MAC_9_KEY;
363 KeyTable[SDLK_a] = MAC_A_KEY;
364 KeyTable[SDLK_b] = MAC_B_KEY;
365 KeyTable[SDLK_c] = MAC_C_KEY;
366 KeyTable[SDLK_d] = MAC_D_KEY;
367 KeyTable[SDLK_e] = MAC_E_KEY;
368 KeyTable[SDLK_f] = MAC_F_KEY;
369 KeyTable[SDLK_g] = MAC_G_KEY;
370 KeyTable[SDLK_h] = MAC_H_KEY;
371 KeyTable[SDLK_i] = MAC_I_KEY;
372 KeyTable[SDLK_j] = MAC_J_KEY;
373 KeyTable[SDLK_k] = MAC_K_KEY;
374 KeyTable[SDLK_l] = MAC_L_KEY;
375 KeyTable[SDLK_m] = MAC_M_KEY;
376 KeyTable[SDLK_n] = MAC_N_KEY;
377 KeyTable[SDLK_o] = MAC_O_KEY;
378 KeyTable[SDLK_p] = MAC_P_KEY;
379 KeyTable[SDLK_q] = MAC_Q_KEY;
380 KeyTable[SDLK_r] = MAC_R_KEY;
381 KeyTable[SDLK_s] = MAC_S_KEY;
382 KeyTable[SDLK_t] = MAC_T_KEY;
383 KeyTable[SDLK_u] = MAC_U_KEY;
384 KeyTable[SDLK_v] = MAC_V_KEY;
385 KeyTable[SDLK_w] = MAC_W_KEY;
386 KeyTable[SDLK_x] = MAC_X_KEY;
387 KeyTable[SDLK_y] = MAC_Y_KEY;
388 KeyTable[SDLK_z] = MAC_Z_KEY;
389 KeyTable[SDLK_KP0] = MAC_NUMPAD_0_KEY;
390 KeyTable[SDLK_KP1] = MAC_NUMPAD_1_KEY;
391 KeyTable[SDLK_KP2] = MAC_NUMPAD_2_KEY;
392 KeyTable[SDLK_KP3] = MAC_NUMPAD_3_KEY;
393 KeyTable[SDLK_KP4] = MAC_NUMPAD_4_KEY;
394 KeyTable[SDLK_KP5] = MAC_NUMPAD_5_KEY;
395 KeyTable[SDLK_KP6] = MAC_NUMPAD_6_KEY;
396 KeyTable[SDLK_KP7] = MAC_NUMPAD_7_KEY;
397 KeyTable[SDLK_KP8] = MAC_NUMPAD_8_KEY;
398 KeyTable[SDLK_KP9] = MAC_NUMPAD_9_KEY;
399 KeyTable[SDLK_KP_MULTIPLY] = MAC_NUMPAD_ASTERISK_KEY;
400 KeyTable[SDLK_KP_PLUS] = MAC_NUMPAD_PLUS_KEY;
401 KeyTable[SDLK_KP_ENTER] = MAC_NUMPAD_ENTER_KEY;
402 KeyTable[SDLK_KP_MINUS] = MAC_NUMPAD_MINUS_KEY;
403 KeyTable[SDLK_KP_PERIOD] = MAC_NUMPAD_PERIOD_KEY;
404 KeyTable[SDLK_KP_DIVIDE] = MAC_NUMPAD_SLASH_KEY;
405 KeyTable[SDLK_F1] = MAC_F1_KEY;
406 KeyTable[SDLK_F2] = MAC_F2_KEY;
407 KeyTable[SDLK_F3] = MAC_F3_KEY;
408 KeyTable[SDLK_F4] = MAC_F4_KEY;
409 KeyTable[SDLK_F5] = MAC_F5_KEY;
410 KeyTable[SDLK_F6] = MAC_F6_KEY;
411 KeyTable[SDLK_F7] = MAC_F7_KEY;
412 KeyTable[SDLK_F8] = MAC_F8_KEY;
413 KeyTable[SDLK_F9] = MAC_F9_KEY;
414 KeyTable[SDLK_F10] = MAC_F10_KEY;
415 KeyTable[SDLK_F11] = MAC_F11_KEY;
416 KeyTable[SDLK_F12] = MAC_F12_KEY;
417 KeyTable[SDLK_SEMICOLON] = MAC_SEMICOLON_KEY;
418 KeyTable[SDLK_PLUS] = MAC_PLUS_KEY;
419 KeyTable[SDLK_COMMA] = MAC_COMMA_KEY;
420 KeyTable[SDLK_MINUS] = MAC_MINUS_KEY;
421 KeyTable[SDLK_PERIOD] = MAC_PERIOD_KEY;
422 KeyTable[SDLK_SLASH] = MAC_SLASH_KEY;
423 KeyTable[SDLK_BACKQUOTE] = MAC_TILDE_KEY;
424 KeyTable[SDLK_LEFTBRACKET] = MAC_LEFTBRACKET_KEY;
425 KeyTable[SDLK_BACKSLASH] = MAC_BACKSLASH_KEY;
426 KeyTable[SDLK_RIGHTBRACKET] = MAC_RIGHTBRACKET_KEY;
427 KeyTable[SDLK_QUOTE] = MAC_APOSTROPHE_KEY;
430 static inline int clamp_sdl_mouse_button(Uint8 button)
432 if (button == 2) // right mouse button is button 3 in SDL.
434 else if (button == 3)
437 if ((button >= 1) && (button <= 3))
442 static void sdlEventProc(const SDL_Event &e, Game &game)
445 bool skipkey = false;
450 case SDL_MOUSEMOTION:
451 game.deltah += e.motion.xrel;
452 game.deltav += e.motion.yrel;
455 case SDL_MOUSEBUTTONDOWN:
457 val = clamp_sdl_mouse_button(e.button.button);
458 if ((val >= 0) && (val <= 2))
467 case SDL_MOUSEBUTTONUP:
469 val = clamp_sdl_mouse_button(e.button.button);
470 if ((val >= 0) && (val <= 2))
474 buttons[val] = false;
480 if (e.key.keysym.sym == SDLK_g)
482 if (e.key.keysym.mod & KMOD_CTRL)
485 SDL_GrabMode mode = SDL_GRAB_ON;
486 if ((SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) == 0)
488 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
489 mode = (mode==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON;
491 SDL_WM_GrabInput(mode);
495 else if (e.key.keysym.sym == SDLK_RETURN)
497 if (e.key.keysym.mod & KMOD_ALT)
500 SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
504 if ((!skipkey) && (e.key.keysym.sym < SDLK_LAST))
506 if (KeyTable[e.key.keysym.sym] != 0xffff)
507 SetKey(KeyTable[e.key.keysym.sym]);
510 mod = SDL_GetModState();
512 SetKey(MAC_CONTROL_KEY);
514 SetKey(MAC_OPTION_KEY);
516 SetKey(MAC_COMMAND_KEY);
517 if (mod & KMOD_SHIFT)
518 SetKey(MAC_SHIFT_KEY);
520 SetKey(MAC_CAPS_LOCK_KEY);
525 if (e.key.keysym.sym < SDLK_LAST)
527 if (KeyTable[e.key.keysym.sym] != 0xffff)
528 ClearKey(KeyTable[e.key.keysym.sym]);
531 mod = SDL_GetModState();
532 if ((mod & KMOD_CTRL) == 0)
533 ClearKey(MAC_CONTROL_KEY);
534 if ((mod & KMOD_ALT) == 0)
535 ClearKey(MAC_OPTION_KEY);
536 if ((mod & KMOD_META) == 0)
537 ClearKey(MAC_COMMAND_KEY);
538 if ((mod & KMOD_SHIFT) == 0)
539 ClearKey(MAC_SHIFT_KEY);
540 if ((mod & KMOD_CAPS) == 0)
541 ClearKey(MAC_CAPS_LOCK_KEY);
547 // --------------------------------------------------------------------------
549 static Point gMidPoint;
551 Boolean SetUp (Game & game)
557 randSeed = UpTime().lo;
567 DefaultSettings(game);
569 selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
571 if(!LoadSettings(game)) {
572 fprintf(stderr, "Failed to load config, creating default\n");
575 if(kBitsPerPixel!=32&&kBitsPerPixel!=16){
580 selectDetail(kContextWidth, kContextHeight, kBitsPerPixel, detail);
582 SetupDSpFullScreen();
585 if (!SDL_WasInit(SDL_INIT_VIDEO))
587 if (SDL_Init(SDL_INIT_VIDEO) == -1)
589 fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
593 if (SDL_GL_LoadLibrary(NULL) == -1)
595 fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
600 SDL_Rect **res = SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_OPENGL);
601 if ( (res == NULL) || (res == ((SDL_Rect **)-1)) || (res[0] == NULL) || (res[0]->w < 640) || (res[0]->h < 480) )
602 res = hardcoded_resolutions;
604 // reverse list (it was sorted biggest to smallest by SDL)...
606 for (count = 0; res[count]; count++)
608 if ((res[count]->w < 640) || (res[count]->h < 480))
609 break; // sane lower limit.
612 static SDL_Rect *resolutions_block = NULL;
613 resolutions_block = (SDL_Rect*) realloc(resolutions_block, sizeof (SDL_Rect) * count);
614 resolutions = (SDL_Rect**) realloc(resolutions, sizeof (SDL_Rect *) * (count + 1));
615 if ((resolutions_block == NULL) || (resolutions == NULL))
618 fprintf(stderr, "Out of memory!\n");
622 resolutions[count--] = NULL;
623 for (int i = 0; count >= 0; i++, count--)
625 memcpy(&resolutions_block[count], res[i], sizeof (SDL_Rect));
626 resolutions[count] = &resolutions_block[count];
629 if (cmdline("showresolutions"))
631 printf("Resolutions we think are okay:\n");
632 for (int i = 0; resolutions[i]; i++)
633 printf(" %d x %d\n", (int) resolutions[i]->w, (int) resolutions[i]->h);
637 Uint32 sdlflags = SDL_OPENGL;
638 if (!cmdline("windowed"))
639 sdlflags |= SDL_FULLSCREEN;
641 SDL_WM_SetCaption("Lugaru", "Lugaru");
645 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
646 SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 1);
648 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
650 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
651 fprintf(stderr, "forcing 640x480...\n");
653 kContextHeight = 480;
654 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
656 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
657 fprintf(stderr, "forcing 640x480 windowed mode...\n");
658 sdlflags &= ~SDL_FULLSCREEN;
659 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
661 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
668 if ((SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &dblbuf) == -1) || (!dblbuf))
670 fprintf(stderr, "Failed to get double buffered GL context!\n");
675 if (!lookup_all_glsyms())
681 if (!cmdline("nomousegrab"))
682 SDL_WM_GrabInput(SDL_GRAB_ON);
685 glClear( GL_COLOR_BUFFER_BIT );
689 glDisable( GL_ALPHA_TEST);
690 glDisable( GL_BLEND);
691 glDisable( GL_DEPTH_TEST);
692 // glDisable( GL_DITHER);
694 glDisable( GL_LIGHTING);
695 glDisable( GL_LOGIC_OP);
696 glDisable( GL_TEXTURE_1D);
697 glDisable( GL_TEXTURE_2D);
698 glPixelTransferi( GL_MAP_COLOR, GL_FALSE);
699 glPixelTransferi( GL_RED_SCALE, 1);
700 glPixelTransferi( GL_RED_BIAS, 0);
701 glPixelTransferi( GL_GREEN_SCALE, 1);
702 glPixelTransferi( GL_GREEN_BIAS, 0);
703 glPixelTransferi( GL_BLUE_SCALE, 1);
704 glPixelTransferi( GL_BLUE_BIAS, 0);
705 glPixelTransferi( GL_ALPHA_SCALE, 1);
706 glPixelTransferi( GL_ALPHA_BIAS, 0);
708 // set initial rendering states
709 glShadeModel( GL_SMOOTH);
711 glDepthFunc( GL_LEQUAL);
712 glDepthMask( GL_TRUE);
713 // glDepthRange( FRONT_CLIP, BACK_CLIP);
714 glEnable( GL_DEPTH_TEST);
715 glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
716 glCullFace( GL_FRONT);
717 glEnable( GL_CULL_FACE);
718 glEnable( GL_LIGHTING);
719 // glEnable( GL_LIGHT_MODEL_AMBIENT);
720 glEnable( GL_DITHER);
721 glEnable( GL_COLOR_MATERIAL);
722 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
723 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
724 glAlphaFunc( GL_GREATER, 0.5f);
726 GLint width = kContextWidth;
727 GLint height = kContextHeight;
728 gMidPoint.h = width / 2;
729 gMidPoint.v = height / 2;
733 game.newdetail=detail;
734 game.newscreenwidth=screenwidth;
735 game.newscreenheight=screenheight;
737 if ( CanInitStereo(stereomode) ) {
738 InitStereo(stereomode);
740 fprintf(stderr, "Failed to initialize stereo, disabling.\n");
741 stereomode = stereoNone;
750 static void DoMouse(Game & game)
753 if(mainmenu||(abs(game.deltah)<10*realmultiplier*1000&&abs(game.deltav)<10*realmultiplier*1000))
755 game.deltah *= usermousesensitivity;
756 game.deltav *= usermousesensitivity;
757 game.mousecoordh += game.deltah;
758 game.mousecoordv += game.deltav;
759 if (game.mousecoordh < 0)
760 game.mousecoordh = 0;
761 else if (game.mousecoordh >= kContextWidth)
762 game.mousecoordh = kContextWidth - 1;
763 if (game.mousecoordv < 0)
764 game.mousecoordv = 0;
765 else if (game.mousecoordv >= kContextHeight)
766 game.mousecoordv = kContextHeight - 1;
773 // --------------------------------------------------------------------------
775 void DoKey (SInt8 theKey, SInt8 theCode)
780 // --------------------------------------------------------------------------
784 void DoFrameRate (int update)
786 static long frames = 0;
788 static AbsoluteTime time = {0,0};
789 static AbsoluteTime frametime = {0,0};
790 AbsoluteTime currTime = UpTime ();
791 double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
793 if (0 > deltaTime) // if negative microseconds
794 deltaTime /= -1000000.0;
795 else // else milliseconds
798 multiplier=deltaTime;
799 if(multiplier<.001)multiplier=.001;
800 if(multiplier>10)multiplier=10;
801 if(update)frametime = currTime; // reset for next time interval
803 deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
805 if (0 > deltaTime) // if negative microseconds
806 deltaTime /= -1000000.0;
807 else // else milliseconds
810 if (0.001 <= deltaTime) // has update interval passed
813 time = currTime; // reset for next time interval
820 void DoUpdate (Game & game)
822 static float sps=200;
824 static float oldmult;
827 if(multiplier>.6)multiplier=.6;
829 game.fps=1/multiplier;
831 count = multiplier*sps;
833 //if(count>10)count=10;
835 realmultiplier=multiplier;
836 multiplier*=gamespeed;
837 if(difficulty==1)multiplier*=.9;
838 if(difficulty==0)multiplier*=.8;
840 if(game.loading==4)multiplier*=.00001;
842 if(slomo&&!mainmenu)multiplier*=slomospeed;
843 //if(freeze)multiplier*=0.00001;
845 multiplier/=(float)count;
851 for(int i=0;i<count;i++)
857 game.TickOnceAfter();
858 /* - Debug code to test how many channels were active on average per frame
859 static long frames = 0;
861 static AbsoluteTime start = {0,0};
862 AbsoluteTime currTime = UpTime ();
863 static int num_channels = 0;
865 num_channels += OPENAL_GetChannelsPlaying();
866 double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
868 if (0 > deltaTime) // if negative microseconds
869 deltaTime /= -1000000.0;
870 else // else milliseconds
878 float avg_channels = (float)num_channels / (float)frames;
880 ofstream opstream("log.txt",ios::app);
881 opstream << "Average frame count: ";
883 opstream << " frames - ";
884 opstream << avg_channels;
885 opstream << " per frame.\n";
895 // --------------------------------------------------------------------------
908 #define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
911 // cheat here...static destructors are calling glDeleteTexture() after
912 // the context is destroyed and libGL unloaded by SDL_Quit().
913 pglDeleteTextures = glDeleteTextures_doNothing;
917 // --------------------------------------------------------------------------
919 static bool IsFocused()
921 return ((SDL_GetAppState() & SDL_APPINPUTFOCUS) != 0);
925 static void launch_web_browser(const char *url)
928 ShellExecute(NULL, "open", url, NULL, NULL, SW_SHOWNORMAL);
930 #elif (defined(__APPLE__) && defined(__MACH__))
931 const char *fmt = "open '%s'";
932 const size_t len = strlen(fmt) + strlen(url) + 16;
933 char *buf = new char[len];
934 snprintf(buf, len, fmt, url);
939 const char *fmt = "PATH=$PATH:. xdg-open '%s'";
940 const size_t len = strlen(fmt) + strlen(url) + 16;
941 char *buf = new char[len];
942 snprintf(buf, len, fmt, url);
950 // (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
951 static char *findBinaryInPath(const char *bin, char *envr)
953 size_t alloc_size = 0;
961 ptr = strchr(start, ':'); /* find next $PATH separator. */
965 size = strlen(start) + strlen(bin) + 2;
966 if (size > alloc_size)
968 char *x = (char *) realloc(exe, size);
980 /* build full binary path... */
982 if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
986 if (access(exe, X_OK) == 0) /* Exists as executable? We're done. */
988 strcpy(exe, start); /* i'm lazy. piss off. */
992 start = ptr + 1; /* start points to beginning of next element. */
993 } while (ptr != NULL);
998 return(NULL); /* doesn't exist in path. */
999 } /* findBinaryInPath */
1002 char *calcBaseDir(const char *argv0)
1004 /* If there isn't a path on argv0, then look through the $PATH for it. */
1008 const char *ptr = strrchr((char *)argv0, '/');
1009 if (strchr(argv0, '/'))
1011 retval = strdup(argv0);
1013 *((char *) strrchr(retval, '/')) = '\0';
1017 envr = getenv("PATH");
1018 if (!envr) return NULL;
1019 envr = strdup(envr);
1020 if (!envr) return NULL;
1021 retval = findBinaryInPath(argv0, envr);
1026 static inline void chdirToAppPath(const char *argv0)
1028 char *dir = calcBaseDir(argv0);
1031 #if (defined(__APPLE__) && defined(__MACH__))
1032 // Chop off /Contents/MacOS if it's at the end of the string, so we
1033 // land in the base of the app bundle.
1034 const size_t len = strlen(dir);
1035 const char *bundledirs = "/Contents/MacOS";
1036 const size_t bundledirslen = strlen(bundledirs);
1037 if (len > bundledirslen)
1039 char *ptr = (dir + len) - bundledirslen;
1040 if (strcasecmp(ptr, bundledirs) == 0)
1051 int main(int argc, char **argv)
1058 // !!! FIXME: we could use a Win32 API for this. --ryan.
1060 chdirToAppPath(argv[0]);
1065 memset( &g_theKeys, 0, sizeof( KeyMap));
1071 bool regnow = false;
1076 //ofstream os("error.txt");
1078 //ofstream os("log.txt");
1084 while (!gDone&&!game.quit&&(!game.tryquit))
1090 // check windows messages
1096 while( SDL_PollEvent( &e ) )
1098 if( e.type == SDL_QUIT )
1103 sdlEventProc(e, game);
1114 // allow game chance to pause
1115 gameFocused = false;
1119 // game is not in focus, give CPU time to other apps by waiting for messages instead of 'peeking'
1120 SDL_ActiveEvent evt;
1121 SDL_WaitEvent((SDL_Event*)&evt);
1122 if (evt.type == SDL_ACTIVEEVENT && evt.gain == 1)
1124 else if (evt.type == SDL_QUIT)
1129 regnow = game.registernow;
1134 // if(game.registernow){
1137 #if (defined(__APPLE__) && defined(__MACH__))
1138 launch_web_browser("http://www.wolfire.com/purchase/lugaru/mac");
1139 #elif PLATFORM_LINUX
1140 launch_web_browser("http://www.wolfire.com/purchase/lugaru/linux");
1142 launch_web_browser("http://www.wolfire.com/purchase/lugaru/pc");
1146 #if PLATFORM_LINUX // (this may not be necessary any more.)
1147 _exit(0); // !!! FIXME: hack...crashes on exit!
1151 catch (const std::exception& error)
1155 std::string e = "Caught exception: ";
1160 MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
1170 // --------------------------------------------------------------------------
1174 bool selectDetail(int & width, int & height, int & bpp, int & detail)
1178 // currently with SDL, we just use whatever is requested
1179 // and don't care. --ryan.
1185 extern int channels[100];
1186 extern OPENAL_SAMPLE * samp[100];
1187 extern OPENAL_STREAM * strm[20];
1189 extern "C" void PlaySoundEx(int chan, OPENAL_SAMPLE *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1191 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1192 if (currSample && currSample == samp[chan])
1194 if (OPENAL_GetPaused(channels[chan]))
1196 OPENAL_StopSound(channels[chan]);
1197 channels[chan] = OPENAL_FREE;
1199 else if (OPENAL_IsPlaying(channels[chan]))
1201 int loop_mode = OPENAL_GetLoopMode(channels[chan]);
1202 if (loop_mode & OPENAL_LOOP_OFF)
1204 channels[chan] = OPENAL_FREE;
1210 channels[chan] = OPENAL_FREE;
1213 channels[chan] = OPENAL_PlaySoundEx(channels[chan], sptr, dsp, startpaused);
1214 if (channels[chan] < 0)
1216 channels[chan] = OPENAL_PlaySoundEx(OPENAL_FREE, sptr, dsp, startpaused);
1220 extern "C" void PlayStreamEx(int chan, OPENAL_STREAM *sptr, OPENAL_DSPUNIT *dsp, signed char startpaused)
1222 const OPENAL_SAMPLE * currSample = OPENAL_GetCurrentSample(channels[chan]);
1223 if (currSample && currSample == OPENAL_Stream_GetSample(sptr))
1225 OPENAL_StopSound(channels[chan]);
1226 OPENAL_Stream_Stop(sptr);
1230 OPENAL_Stream_Stop(sptr);
1231 channels[chan] = OPENAL_FREE;
1234 channels[chan] = OPENAL_Stream_PlayEx(channels[chan], sptr, dsp, startpaused);
1235 if (channels[chan] < 0)
1237 channels[chan] = OPENAL_Stream_PlayEx(OPENAL_FREE, sptr, dsp, startpaused);
1242 bool LoadImage(const char * fname, TGAImageRec & tex)
1246 if ( tex.data == NULL )
1252 res = load_image(fname, tex);
1258 void ScreenShot(const char * fname)
1267 static bool load_image(const char *file_name, TGAImageRec &tex)
1269 const char *ptr = strrchr((char *)file_name, '.');
1272 if (strcasecmp(ptr+1, "png") == 0)
1273 return load_png(file_name, tex);
1274 else if (strcasecmp(ptr+1, "jpg") == 0)
1275 return load_jpg(file_name, tex);
1278 STUBBED("Unsupported image type");
1283 struct my_error_mgr {
1284 struct jpeg_error_mgr pub; /* "public" fields */
1285 jmp_buf setjmp_buffer; /* for return to caller */
1287 typedef struct my_error_mgr * my_error_ptr;
1290 static void my_error_exit(j_common_ptr cinfo)
1292 struct my_error_mgr *err = (struct my_error_mgr *)cinfo->err;
1293 longjmp(err->setjmp_buffer, 1);
1296 /* stolen from public domain example.c code in libjpg distribution. */
1297 static bool load_jpg(const char *file_name, TGAImageRec &tex)
1299 struct jpeg_decompress_struct cinfo;
1300 struct my_error_mgr jerr;
1301 JSAMPROW buffer[1]; /* Output row buffer */
1302 int row_stride; /* physical row width in output buffer */
1303 FILE *infile = fopen(file_name, "rb");
1308 cinfo.err = jpeg_std_error(&jerr.pub);
1309 jerr.pub.error_exit = my_error_exit;
1310 if (setjmp(jerr.setjmp_buffer)) {
1311 jpeg_destroy_decompress(&cinfo);
1316 jpeg_create_decompress(&cinfo);
1317 jpeg_stdio_src(&cinfo, infile);
1318 (void) jpeg_read_header(&cinfo, TRUE);
1320 cinfo.out_color_space = JCS_RGB;
1321 cinfo.quantize_colors = 0;
1322 (void) jpeg_calc_output_dimensions(&cinfo);
1323 (void) jpeg_start_decompress(&cinfo);
1325 row_stride = cinfo.output_width * cinfo.output_components;
1326 tex.sizeX = cinfo.output_width;
1327 tex.sizeY = cinfo.output_height;
1330 while (cinfo.output_scanline < cinfo.output_height) {
1331 buffer[0] = (JSAMPROW)(char *)tex.data +
1332 ((cinfo.output_height-1) - cinfo.output_scanline) * row_stride;
1333 (void) jpeg_read_scanlines(&cinfo, buffer, 1);
1336 (void) jpeg_finish_decompress(&cinfo);
1337 jpeg_destroy_decompress(&cinfo);
1344 /* stolen from public domain example.c code in libpng distribution. */
1345 static bool load_png(const char *file_name, TGAImageRec &tex)
1347 bool hasalpha = false;
1348 png_structp png_ptr = NULL;
1349 png_infop info_ptr = NULL;
1350 png_uint_32 width, height;
1351 int bit_depth, color_type, interlace_type;
1352 png_byte **rows = NULL;
1353 bool retval = false;
1354 png_byte **row_pointers = NULL;
1355 FILE *fp = fopen(file_name, "rb");
1360 png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1361 if (png_ptr == NULL)
1364 info_ptr = png_create_info_struct(png_ptr);
1365 if (info_ptr == NULL)
1368 if (setjmp(png_jmpbuf(png_ptr)))
1371 png_init_io(png_ptr, fp);
1372 png_read_png(png_ptr, info_ptr,
1373 PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_PACKING,
1375 png_get_IHDR(png_ptr, info_ptr, &width, &height,
1376 &bit_depth, &color_type, &interlace_type, NULL, NULL);
1378 if (bit_depth != 8) // transform SHOULD handle this...
1381 if (color_type & PNG_COLOR_MASK_PALETTE) // !!! FIXME?
1384 if ((color_type & PNG_COLOR_MASK_COLOR) == 0) // !!! FIXME?
1387 hasalpha = ((color_type & PNG_COLOR_MASK_ALPHA) != 0);
1388 row_pointers = png_get_rows(png_ptr, info_ptr);
1394 png_byte *dst = tex.data;
1395 for (int i = height-1; i >= 0; i--)
1397 png_byte *src = row_pointers[i];
1398 for (int j = 0; j < width; j++)
1412 png_byte *dst = tex.data;
1413 int pitch = width * 4;
1414 for (int i = height-1; i >= 0; i--, dst += pitch)
1415 memcpy(dst, row_pointers[i], pitch);
1424 png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
1431 static bool save_image(const char *file_name)
1433 const char *ptr = strrchr((char *)file_name, '.');
1436 if (strcasecmp(ptr+1, "png") == 0)
1437 return save_png(file_name);
1440 STUBBED("Unsupported image type");
1445 static bool save_png(const char *file_name)
1448 png_structp png_ptr = NULL;
1449 png_infop info_ptr = NULL;
1450 bool retval = false;
1452 fp = fopen(file_name, "wb");
1456 png_bytep *row_pointers = new png_bytep[kContextHeight];
1457 png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];
1458 if ((!screenshot) || (!row_pointers))
1462 glReadPixels(0, 0, kContextWidth, kContextHeight,
1463 GL_RGB, GL_UNSIGNED_BYTE, screenshot);
1464 if (glGetError() != GL_NO_ERROR)
1467 for (int i = 0; i < kContextHeight; i++)
1468 row_pointers[i] = screenshot + ((kContextWidth * ((kContextHeight-1) - i)) * 3);
1470 png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1471 if (png_ptr == NULL)
1474 info_ptr = png_create_info_struct(png_ptr);
1475 if (info_ptr == NULL)
1478 if (setjmp(png_jmpbuf(png_ptr)))
1481 png_init_io(png_ptr, fp);
1483 if (setjmp(png_jmpbuf(png_ptr)))
1486 png_set_IHDR(png_ptr, info_ptr, kContextWidth, kContextHeight,
1487 8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
1488 PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
1490 png_write_info(png_ptr, info_ptr);
1492 if (setjmp(png_jmpbuf(png_ptr)))
1495 png_write_image(png_ptr, row_pointers);
1497 if (setjmp(png_jmpbuf(png_ptr)))
1500 png_write_end(png_ptr, NULL);
1504 png_destroy_write_struct(&png_ptr, &info_ptr);
1505 delete[] screenshot;
1506 delete[] row_pointers;
1510 unlink(ConvertFileName(file_name));