***********************************************************/
#include <string.h>
+#include <signal.h>
#include "platform.h"
int screen = 0;
Colormap cmap = None;
-DrawWindow window = NULL;
-DrawBuffer backbuffer = NULL;
-DrawBuffer drawto = NULL;
+DrawWindow *window = NULL;
+DrawBuffer *backbuffer = NULL;
+DrawBuffer *drawto = NULL;
int button_status = MB_NOT_PRESSED;
boolean motion_status = FALSE;
/* ========================================================================= */
-/* init functions */
+/* init/close functions */
/* ========================================================================= */
void InitCommandName(char *argv0)
void InitExitFunction(void (*exit_function)(int))
{
program.exit_function = exit_function;
+
+ /* set signal handlers to custom exit function */
+ signal(SIGINT, exit_function);
+ signal(SIGTERM, exit_function);
+
+#if defined(TARGET_SDL)
+ /* set exit function to automatically cleanup SDL stuff after exit() */
+ atexit(SDL_Quit);
+#endif
}
void InitPlatformDependantStuff(void)
#if defined(PLATFORM_MSDOS)
_fmode = O_BINARY;
#endif
+
+#if !defined(PLATFORM_UNIX)
+ program.userdata_directory = "userdata";
+ initErrorFile();
+#endif
+
+#if defined(TARGET_SDL)
+ if (SDL_Init(SDL_INIT_EVENTTHREAD | SDL_INIT_NOPARACHUTE) < 0)
+ Error(ERR_EXIT, "SDL_Init() failed: %s", SDL_GetError());
+#endif
+}
+
+void ClosePlatformDependantStuff(void)
+{
+#if !defined(PLATFORM_UNIX)
+ dumpErrorFile();
+#endif
}
void InitProgramInfo(char *unix_userdata_directory, char *program_title,
#endif
}
-inline void InitVideoBuffer(DrawBuffer *backbuffer, DrawWindow *window,
+inline void CloseVideoDisplay(void)
+{
+#if defined(TARGET_X11)
+ if (display)
+ XCloseDisplay(display);
+#endif
+}
+
+inline void InitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window,
int width, int height, int depth,
boolean fullscreen)
{
#endif
}
-inline Bitmap CreateBitmapStruct(void)
+inline Bitmap *CreateBitmapStruct(void)
{
#ifdef TARGET_SDL
return checked_calloc(sizeof(struct SDLSurfaceInfo));
#endif
}
-inline Bitmap CreateBitmap(int width, int height, int depth)
+inline Bitmap *CreateBitmap(int width, int height, int depth)
{
- Bitmap new_bitmap = CreateBitmapStruct();
+ Bitmap *new_bitmap = CreateBitmapStruct();
int real_depth = GetRealDepth(depth);
#ifdef TARGET_SDL
#else
Pixmap pixmap;
- if (!(pixmap = XCreatePixmap(display, window->drawable,
- width, height, real_depth)))
+ if ((pixmap = XCreatePixmap(display, window->drawable,
+ width, height, real_depth))
+ == None)
Error(ERR_EXIT, "cannot create pixmap");
+
new_bitmap->drawable = pixmap;
if (window == NULL)
Error(ERR_EXIT, "Window GC needed for Bitmap -- create Window first");
+
new_bitmap->gc = window->gc;
+ new_bitmap->line_gc[0] = window->line_gc[0];
+ new_bitmap->line_gc[1] = window->line_gc[1];
#endif
return new_bitmap;
}
-inline void FreeBitmap(Bitmap bitmap)
+inline void FreeBitmap(Bitmap *bitmap)
{
if (bitmap == NULL)
return;
free(bitmap);
}
-inline void CloseWindow(DrawWindow window)
+inline void CloseWindow(DrawWindow *window)
{
#ifdef TARGET_X11
if (window->drawable)
#endif
}
-inline void BlitBitmap(Bitmap src_bitmap, Bitmap dst_bitmap,
+inline void BlitBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap,
int src_x, int src_y,
int width, int height,
int dst_x, int dst_y)
#endif
}
-inline void ClearRectangle(Bitmap bitmap, int x, int y, int width, int height)
+inline void ClearRectangle(Bitmap *bitmap, int x, int y, int width, int height)
{
#ifdef TARGET_SDL
SDLFillRectangle(bitmap, x, y, width, height, 0x000000);
#endif
#endif
-inline void SetClipMask(Bitmap bitmap, GC clip_gc, Pixmap clip_pixmap)
+inline void SetClipMask(Bitmap *bitmap, GC clip_gc, Pixmap clip_pixmap)
{
#ifdef TARGET_X11
if (clip_gc)
#endif
}
-inline void SetClipOrigin(Bitmap bitmap, GC clip_gc, int clip_x, int clip_y)
+inline void SetClipOrigin(Bitmap *bitmap, GC clip_gc, int clip_x, int clip_y)
{
#ifdef TARGET_X11
if (clip_gc)
#endif
}
-inline void BlitBitmapMasked(Bitmap src_bitmap, Bitmap dst_bitmap,
+inline void BlitBitmapMasked(Bitmap *src_bitmap, Bitmap *dst_bitmap,
int src_x, int src_y,
int width, int height,
int dst_x, int dst_y)
#endif
}
-inline void DrawSimpleWhiteLine(Bitmap bitmap, int from_x, int from_y,
+inline void DrawSimpleWhiteLine(Bitmap *bitmap, int from_x, int from_y,
int to_x, int to_y)
{
#ifdef TARGET_SDL
#endif
}
+#if !defined(TARGET_X11_NATIVE)
+inline void DrawLine(Bitmap *bitmap, int from_x, int from_y,
+ int to_x, int to_y, Pixel pixel, int line_width)
+{
+ int x, y;
+
+ for (x=0; x<line_width; x++)
+ {
+ for (y=0; y<line_width; y++)
+ {
+ int dx = x - line_width / 2;
+ int dy = y - line_width / 2;
+
+ if ((x == 0 && y == 0) ||
+ (x == 0 && y == line_width - 1) ||
+ (x == line_width - 1 && y == 0) ||
+ (x == line_width - 1 && y == line_width - 1))
+ continue;
+
+#if defined(TARGET_SDL)
+ sge_Line(bitmap->surface,
+ from_x + dx, from_y + dy, to_x + dx, to_y + dy, pixel);
+#elif defined(TARGET_ALLEGRO)
+ AllegroDrawLine(bitmap->drawable, from_x + dx, from_y + dy,
+ to_x + dx, to_y + dy, pixel);
+#endif
+ }
+ }
+}
+#endif
+
+inline void DrawLines(Bitmap *bitmap, struct XY *points, int num_points,
+ Pixel pixel)
+{
+#if !defined(TARGET_X11_NATIVE)
+ int line_width = 4;
+ int i;
+
+ for (i=0; i<num_points - 1; i++)
+ DrawLine(bitmap, points[i].x, points[i].y,
+ points[i + 1].x, points[i + 1].y, pixel, line_width);
+
+ /*
+ SDLDrawLines(bitmap->surface, points, num_points, pixel);
+ */
+#else
+ XSetForeground(display, bitmap->line_gc[1], pixel);
+ XDrawLines(display, bitmap->drawable, bitmap->line_gc[1],
+ (XPoint *)points, num_points, CoordModeOrigin);
+ /*
+ XSetForeground(display, gc, BlackPixel(display, screen));
+ */
+#endif
+}
+
+inline Pixel GetPixelFromRGB(Bitmap *bitmap, unsigned int color_r,
+ unsigned int color_g, unsigned int color_b)
+{
+ Pixel pixel;
+
+#if defined(TARGET_SDL)
+ pixel = SDL_MapRGB(bitmap->surface->format, color_r, color_g, color_b);
+#elif defined(TARGET_X11_NATIVE)
+ XColor xcolor;
+
+ xcolor.flags = DoRed | DoGreen | DoBlue;
+ xcolor.red = (color_r << 8);
+ xcolor.green = (color_g << 8);
+ xcolor.blue = (color_b << 8);
+ XAllocColor(display, cmap, &xcolor);
+ pixel = xcolor.pixel;
+#endif
+
+ return pixel;
+}
+
+inline Pixel GetPixelFromRGBcompact(Bitmap *bitmap, unsigned int color)
+{
+ unsigned int color_r = (color >> 16) & 0xff;
+ unsigned int color_g = (color >> 8) & 0xff;
+ unsigned int color_b = (color >> 0) & 0xff;
+
+ return GetPixelFromRGB(bitmap, color_r, color_g, color_b);
+}
+
/* execute all pending screen drawing operations */
inline void FlushDisplay(void)
{
SDL_DEFAULT_REPEAT_INTERVAL / 2);
SDL_EnableUNICODE(1);
#else
- XAutoRepeatOn(display);
+ if (display)
+ XAutoRepeatOn(display);
#endif
}
SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL);
SDL_EnableUNICODE(0);
#else
- XAutoRepeatOff(display);
+ if (display)
+ XAutoRepeatOff(display);
#endif
}
-inline boolean PointerInWindow(DrawWindow window)
+inline boolean PointerInWindow(DrawWindow *window)
{
#ifdef TARGET_SDL
return TRUE;
return fullscreen;
}
+Bitmap *LoadImage(char *basename)
+{
+ Bitmap *new_bitmap;
+ char *filename = getPath3(options.ro_base_directory, GRAPHICS_DIRECTORY,
+ basename);
+
+#if defined(TARGET_SDL)
+ new_bitmap = SDLLoadImage(filename);
+#else
+ new_bitmap = X11LoadImage(filename);
+#endif
+
+ free(filename);
+
+ return new_bitmap;
+}
+
/* ========================================================================= */
/* audio functions */
/* ========================================================================= */
-inline boolean OpenAudio(struct AudioSystemInfo *audio)
+inline void OpenAudio(void)
{
- audio->sound_available = FALSE;
- audio->loops_available = FALSE;
- audio->sound_enabled = FALSE;
- audio->soundserver_pipe[0] = audio->soundserver_pipe[1] = 0;
- audio->soundserver_pid = 0;
- audio->device_name = NULL;
- audio->device_fd = 0;
+ /* always start with reliable default values */
+ audio.sound_available = FALSE;
+ audio.music_available = FALSE;
+ audio.loops_available = FALSE;
+ audio.mods_available = FALSE;
+ audio.sound_enabled = FALSE;
+
+ audio.soundserver_pipe[0] = audio.soundserver_pipe[1] = 0;
+ audio.soundserver_pid = 0;
+ audio.device_name = NULL;
+ audio.device_fd = 0;
+
+ audio.channels = 0;
+ audio.music_channel = 0;
+ audio.music_nr = 0;
#if defined(TARGET_SDL)
- if (SDLOpenAudio())
- {
- audio->sound_available = TRUE;
- audio->loops_available = TRUE;
- audio->sound_enabled = TRUE;
- }
+ SDLOpenAudio();
#elif defined(PLATFORM_MSDOS)
- if (MSDOSOpenAudio())
- {
- audio->sound_available = TRUE;
- audio->loops_available = TRUE;
- audio->sound_enabled = TRUE;
- }
+ MSDOSOpenAudio();
#elif defined(PLATFORM_UNIX)
- UnixOpenAudio(audio);
+ UnixOpenAudio();
#endif
-
- return audio->sound_available;
}
-inline void CloseAudio(struct AudioSystemInfo *audio)
+inline void CloseAudio(void)
{
#if defined(TARGET_SDL)
SDLCloseAudio();
#elif defined(PLATFORM_MSDOS)
MSDOSCloseAudio();
#elif defined(PLATFORM_UNIX)
- UnixCloseAudio(audio);
+ UnixCloseAudio();
#endif
- audio->sound_available = FALSE;
- audio->loops_available = FALSE;
- audio->sound_enabled = FALSE;
+ audio.sound_enabled = FALSE;
}
inline void SetAudioMode(boolean enabled)