bill@newbreedsoftware.com
http://www.newbreedsoftware.com/supertux/
- April 11, 2000 - November 7, 2001
+ April 11, 2000 - February 1st, 2004
*/
#include <stdio.h>
#include <unistd.h>
#include <SDL.h>
#include <SDL_image.h>
-
-#ifndef NOSOUND
-#include <SDL_mixer.h>
+#ifndef NOOPENGL
+#include <SDL_opengl.h>
#endif
#ifdef LINUX
#include <pwd.h>
#include <sys/types.h>
+#include <sys/stat.h>
#include <ctype.h>
#endif
#include "globals.h"
#include "setup.h"
#include "screen.h"
-
+#include "texture.h"
/* Local function prototypes: */
void seticon(void);
void usage(char * prog, int ret);
+/* Does the given file exist and is it accessible? */
+int faccessible(char *filename)
+{
+ struct stat filestat;
+ if (stat(filename, &filestat) == -1)
+ return NO;
+ else
+ return YES;
+}
+
/* --- SETUP --- */
-void st_setup(void)
+void st_directory_setup(void)
+{
+
+ /* Set SuperTux configuration and save directories */
+
+ /* Get home directory (from $HOME variable)... if we can't determine it,
+ use the current directory ("."): */
+ char *home;
+ if (getenv("HOME") != NULL)
+ home = getenv("HOME");
+ else
+ home = ".";
+
+ st_dir = (char *) malloc(sizeof(char) * (strlen(home) +
+ strlen("/.supertux") + 1));
+ strcpy(st_dir, home);
+ strcat(st_dir, "/.supertux");
+
+ st_save_dir = (char *) malloc(sizeof(char) * (strlen(st_dir) + strlen("/save") + 1));
+
+ strcpy(st_save_dir,st_dir);
+ strcat(st_save_dir,"/save");
+
+ /* Create them. In the case they exist it won't destroy anything. */
+#ifdef LINUX
+
+ mkdir(st_dir, 0755);
+ mkdir(st_save_dir, 0755);
+#else
+ #ifdef WIN32
+
+ mkdir(st_dir);
+ mkdir(st_save_dir);
+#endif
+#endif
+}
+
+void st_general_setup(void)
{
/* Seed random number generator: */
-
+
srand(SDL_GetTicks());
-
-
+
+ /* Load global images: */
+
+ text_load(&black_text,DATA_PREFIX "/images/status/letters-black.png");
+ text_load(&gold_text,DATA_PREFIX "/images/status/letters-gold.png");
+ text_load(&blue_text,DATA_PREFIX "/images/status/letters-blue.png");
+ text_load(&red_text,DATA_PREFIX "/images/status/letters-red.png");
+
+ /* Set icon image: */
+
+ seticon();
+ SDL_EnableUNICODE(1);
+
+}
+
+void st_video_setup(void)
+{
+
+if(screen != NULL)
+ SDL_FreeSurface(screen);
+
/* Init SDL Video: */
-
+
if (SDL_Init(SDL_INIT_VIDEO) < 0)
{
fprintf(stderr,
exit(1);
}
+ /* Open display: */
- /* Init Joystick: */
+ if(use_gl)
+ st_video_setup_gl();
+ else
+ st_video_setup_sdl();
+ texture_setup();
+
+ /* Set window manager stuff: */
+
+ SDL_WM_SetCaption("Super Tux", "Super Tux");
+
+}
+
+void st_video_setup_sdl(void)
+{
+ if (use_fullscreen == YES)
+ {
+ screen = SDL_SetVideoMode(640, 480, 16, SDL_FULLSCREEN ) ; /* | SDL_HWSURFACE); */
+ if (screen == NULL)
+ {
+ fprintf(stderr,
+ "\nWarning: I could not set up fullscreen video for "
+ "640x480 mode.\n"
+ "The Simple DirectMedia error that occured was:\n"
+ "%s\n\n", SDL_GetError());
+ use_fullscreen = NO;
+ }
+ }
+ else
+ {
+ screen = SDL_SetVideoMode(640, 480, 16, SDL_HWSURFACE | SDL_DOUBLEBUF );
+
+ if (screen == NULL)
+ {
+ fprintf(stderr,
+ "\nError: I could not set up video for 640x480 mode.\n"
+ "The Simple DirectMedia error that occured was:\n"
+ "%s\n\n", SDL_GetError());
+ exit(1);
+ }
+ }
+}
+
+void st_video_setup_gl(void)
+{
+#ifndef NOOPENGL
+
+ SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
+ SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
+ SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
+ SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
+ SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+
+ if (use_fullscreen == YES)
+ {
+ screen = SDL_SetVideoMode(640, 480, 32, SDL_FULLSCREEN | SDL_OPENGL ) ; /* | SDL_HWSURFACE); */
+ if (screen == NULL)
+ {
+ fprintf(stderr,
+ "\nWarning: I could not set up fullscreen video for "
+ "640x480 mode.\n"
+ "The Simple DirectMedia error that occured was:\n"
+ "%s\n\n", SDL_GetError());
+ use_fullscreen = NO;
+ }
+ }
+ else
+ {
+ screen = SDL_SetVideoMode(640, 480, 32, SDL_HWSURFACE | SDL_OPENGL | SDL_OPENGLBLIT );
+
+ if (screen == NULL)
+ {
+ fprintf(stderr,
+ "\nError: I could not set up video for 640x480 mode.\n"
+ "The Simple DirectMedia error that occured was:\n"
+ "%s\n\n", SDL_GetError());
+ exit(1);
+ }
+ }
+
+ /*
+ * Set up OpenGL for 2D rendering.
+ */
+ glDisable(GL_DEPTH_TEST);
+ glDisable(GL_CULL_FACE);
+
+ glViewport(0, 0, screen->w, screen->h);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(0, screen->w, screen->h, 0, -1.0, 1.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0f, 0.0f, 0.0f);
+
+#endif
+}
+
+void st_joystick_setup(void)
+{
+
+ /* Init Joystick: */
+
#ifdef JOY_YES
use_joystick = YES;
-
+
if (SDL_Init(SDL_INIT_JOYSTICK) < 0)
{
fprintf(stderr, "Warning: I could not initialize joystick!\n"
"The Simple DirectMedia error that occured was:\n"
"%s\n\n", SDL_GetError());
-
+
use_joystick = NO;
}
else
{
/* Open joystick: */
-
+
if (SDL_NumJoysticks() <= 0)
{
fprintf(stderr, "Warning: No joysticks are available.\n");
-
+
use_joystick = NO;
}
else
{
js = SDL_JoystickOpen(0);
-
+
if (js == NULL)
{
fprintf(stderr, "Warning: Could not open joystick 1.\n"
"The Simple DirectMedia error that occured was:\n"
"%s\n\n", SDL_GetError());
-
+
use_joystick = NO;
}
else
{
/* Check for proper joystick configuration: */
-
+
if (SDL_JoystickNumAxes(js) < 2)
{
fprintf(stderr,
"Warning: Joystick does not have enough axes!\n");
-
+
use_joystick = NO;
}
else
fprintf(stderr,
"Warning: "
"Joystick does not have enough buttons!\n");
-
+
use_joystick = NO;
}
}
}
}
#endif
-
-
- /* Init SDL Audio: */
-
- if (use_sound == YES)
+
+}
+
+void st_audio_setup(void)
+{
+
+ /* Init SDL Audio silently even if --disable-sound : */
+
+ if (audio_device == YES)
{
if (SDL_Init(SDL_INIT_AUDIO) < 0)
{
- fprintf(stderr,
- "\nWarning: I could not initialize audio!\n"
- "The Simple DirectMedia error that occured was:\n"
- "%s\n\n", SDL_GetError());
+ /* only print out message if sound or music
+ was not disabled at command-line
+ */
+ if (use_sound == YES || use_music == YES)
+ {
+ fprintf(stderr,
+ "\nWarning: I could not initialize audio!\n"
+ "The Simple DirectMedia error that occured was:\n"
+ "%s\n\n", SDL_GetError());
+ }
+ /* keep the programming logic the same :-)
+ because in this case, use_sound & use_music' values are ignored
+ when there's no available audio device
+ */
use_sound = NO;
+ use_music = NO;
+ audio_device = NO;
}
}
-
-
- /* Open sound: */
-
-#ifndef NOSOUND
- if (use_sound == YES)
- {
- if (Mix_OpenAudio(11025, AUDIO_S16, 2, 512) < 0)
- {
- fprintf(stderr,
- "\nWarning: I could not set up audio for 11025 Hz "
- "16-bit stereo.\n"
- "The Simple DirectMedia error that occured was:\n"
- "%s\n\n", SDL_GetError());
- use_sound = 0;
- }
- }
-#endif
- /* Open display: */
-
- if (use_fullscreen == YES)
- {
- screen = SDL_SetVideoMode(640, 480, 16, SDL_FULLSCREEN) ; /* | SDL_HWSURFACE); */
- if (screen == NULL)
- {
- fprintf(stderr,
- "\nWarning: I could not set up fullscreen video for "
- "640x480 mode.\n"
- "The Simple DirectMedia error that occured was:\n"
- "%s\n\n", SDL_GetError());
- use_fullscreen = NO;
- }
- }
-
- if (use_fullscreen == NO)
+ /* Open sound silently regarless the value of "use_sound": */
+
+ if (audio_device == YES)
{
- screen = SDL_SetVideoMode(640, 480, 16, SDL_HWSURFACE | SDL_DOUBLEBUF);
-
- if (screen == NULL)
+ if (open_audio(44100, AUDIO_S16, 2, 2048) < 0)
{
- fprintf(stderr,
- "\nError: I could not set up video for 640x480 mode.\n"
- "The Simple DirectMedia error that occured was:\n"
- "%s\n\n", SDL_GetError());
- exit(1);
+ /* only print out message if sound or music
+ was not disabled at command-line
+ */
+ if ((use_sound == YES) || (use_music == YES))
+ {
+ fprintf(stderr,
+ "\nWarning: I could not set up audio for 44100 Hz "
+ "16-bit stereo.\n"
+ "The Simple DirectMedia error that occured was:\n"
+ "%s\n\n", SDL_GetError());
+ }
+ use_sound = NO;
+ use_music = NO;
+ audio_device = NO;
}
}
-
-
- /* Load global images: */
-
- letters_black = load_image(DATA_PREFIX "/images/status/letters-black.png",
- USE_ALPHA);
-
- letters_gold = load_image(DATA_PREFIX "/images/status/letters-gold.png",
- USE_ALPHA);
- letters_blue = load_image(DATA_PREFIX "/images/status/letters-blue.png",
- USE_ALPHA);
-
- letters_red = load_image(DATA_PREFIX "/images/status/letters-red.png",
- USE_ALPHA);
-
-
- /* Set icon image: */
-
- seticon();
-
-
- /* Set window manager stuff: */
-
- SDL_WM_SetCaption("Super Tux", "Super Tux");
}
void st_shutdown(void)
{
+ close_audio();
SDL_Quit();
}
int masklen;
Uint8 * mask;
SDL_Surface * icon;
-
-
+
+
/* Load icon into a surface: */
-
+
icon = IMG_Load(DATA_PREFIX "/images/icon.png");
if (icon == NULL)
{
"%s\n\n", DATA_PREFIX "images/icon.png", SDL_GetError());
exit(1);
}
-
-
+
+
/* Create mask: */
-
+
masklen = (((icon -> w) + 7) / 8) * (icon -> h);
mask = malloc(masklen * sizeof(Uint8));
memset(mask, 0xFF, masklen);
-
-
+
+
/* Set icon: */
-
+
SDL_WM_SetIcon(icon, mask);
-
-
+
+
/* Free icon surface & mask: */
-
+
free(mask);
SDL_FreeSurface(icon);
}
void parseargs(int argc, char * argv[])
{
int i;
-
-
+
/* Set defaults: */
-
+
+
+ debug_mode = NO;
use_fullscreen = NO;
+ show_fps = NO;
+ use_gl = NO;
+
+#ifndef NOSOUND
+
use_sound = YES;
-
-
+ use_music = YES;
+ audio_device = YES;
+#else
+
+ use_sound = NO;
+ use_music = NO;
+ audio_device = NO;
+#endif
+
/* Parse arguments: */
-
+
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i], "--fullscreen") == 0 ||
- strcmp(argv[i], "-f") == 0)
- {
- /* Use full screen: */
-
- use_fullscreen = YES;
- }
+ strcmp(argv[i], "-f") == 0)
+ {
+ /* Use full screen: */
+
+ use_fullscreen = YES;
+ }
+ else if (strcmp(argv[i], "--show-fps") == 0)
+ {
+ /* Use full screen: */
+
+ show_fps = YES;
+ }
+ else if (strcmp(argv[i], "--opengl") == 0 ||
+ strcmp(argv[i], "-gl") == 0)
+ {
+ #ifndef NOOPENGL
+ /* Use OpengGL: */
+
+ use_gl = YES;
+ #endif
+ }
else if (strcmp(argv[i], "--usage") == 0)
- {
- /* Show usage: */
-
- usage(argv[0], 0);
- }
+ {
+ /* Show usage: */
+
+ usage(argv[0], 0);
+ }
else if (strcmp(argv[i], "--version") == 0)
- {
- /* Show version: */
-
- printf("Super Tux - version " VERSION "\n");
- exit(0);
- }
+ {
+ /* Show version: */
+
+ printf("Super Tux - version " VERSION "\n");
+ exit(0);
+ }
+ else if (strcmp(argv[i], "--disable-sound") == 0)
+ {
+ /* Disable the compiled in sound feature */
+#ifndef NOSOUND
+ printf("Sounds disabled \n");
+ use_sound = NO;
+#else
+
+ printf("Warning: Sounds feature is not compiled in \n");
+#endif
+
+ }
+ else if (strcmp(argv[i], "--disable-music") == 0)
+ {
+ /* Disable the compiled in sound feature */
+#ifndef NOSOUND
+ printf("Music disabled \n");
+ use_music = NO;
+#else
+
+ printf("Warning: Music feature is not compiled in \n");
+#endif
+
+ }
+ else if (strcmp(argv[i], "--debug-mode") == 0)
+ {
+ /* Enable the debug-mode */
+ debug_mode = YES;
+
+ }
else if (strcmp(argv[i], "--help") == 0)
- {
- /* Show version: */
+ { /* Show help: */
+
+ printf("Super Tux " VERSION "\n\n");
+
+ printf("---------- Command-line options ----------\n\n");
+
+ printf(" --opengl - If opengl support was compiled in, this will enable the EXPERIMENTAL OpenGL mode.\n\n");
- printf("Super Tux - Help summary\n");
- printf("[ under construction ]\n");
- exit(0);
- }
+ printf(" --disable-sound - If sound support was compiled in, this will\n disable sound for this session of the game.\n\n");
+
+ printf(" --disable-music - Like above, but this will disable music.\n\n");
+
+ printf(" --fullscreen - Run in fullscreen mode.\n\n");
+
+ printf(" --debug-mode - Enables the debug-mode, which is useful for developers.\n\n");
+
+ printf(" --help - Display a help message summarizing command-line\n options, license and game controls.\n\n");
+
+ printf(" --usage - Display a brief message summarizing command-line options.\n\n");
+
+ printf(" --version - Display the version of SuperTux you're running.\n\n\n");
+
+
+ printf("---------- License ----------\n\n");
+ printf(" This program comes with ABSOLUTELY NO WARRANTY.\n");
+ printf(" This is free software, and you are welcome to redistribute\n");
+ printf(" or modify it under certain conditions. See the file \n");
+ printf(" \"COPYING.txt\" for more details.\n\n\n");
+
+ printf("---------- Game controls ----------\n\n");
+ printf(" Please see the file \"README.txt\"\n\n");
+
+ exit(0);
+ }
else
- {
- /* Unknown - complain! */
-
- usage(argv[0], 1);
- }
+ {
+ /* Unknown - complain! */
+
+ usage(argv[0], 1);
+ }
}
}
void usage(char * prog, int ret)
{
FILE * fi;
-
-
+
+
/* Determine which stream to write to: */
-
+
if (ret == 0)
fi = stdout;
else
fi = stderr;
-
-
+
+
/* Display the usage message: */
-
- fprintf(fi, "Usage: %s [--fullscreen] | [--usage | --help | --version]\n",
- prog);
-
-
+
+ fprintf(fi, "Usage: %s [--fullscreen] [--opengl] [--disable-sound] [--disable-music] [--debug-mode] | [--usage | --help | --version]\n",
+ prog);
+
+
/* Quit! */
exit(ret);
}
+