/***********************************************************
* Artsoft Retro-Game Library *
*----------------------------------------------------------*
-* (c) 1994-2000 Artsoft Entertainment *
+* (c) 1994-2002 Artsoft Entertainment *
* Holger Schemel *
* Detmolder Strasse 189 *
* 33604 Bielefeld *
#include "system.h"
#include "sound.h"
+#include "setup.h"
+#include "joystick.h"
#include "misc.h"
struct VideoSystemInfo video;
struct AudioSystemInfo audio;
struct GfxInfo gfx;
+struct ArtworkInfo artwork;
+struct JoystickInfo joystick;
+struct SetupInfo setup;
-struct LevelDirInfo *leveldir_first = NULL;
-struct LevelDirInfo *leveldir_current = NULL;
+LevelDirTree *leveldir_first = NULL;
+LevelDirTree *leveldir_current = NULL;
+int level_nr;
-Display *display = NULL;
-Visual *visual = NULL;
-int screen = 0;
-Colormap cmap = None;
+Display *display = NULL;
+Visual *visual = NULL;
+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;
+int button_status = MB_NOT_PRESSED;
+boolean motion_status = FALSE;
-int redraw_mask = REDRAW_NONE;
-int redraw_tiles = 0;
+int redraw_mask = REDRAW_NONE;
+int redraw_tiles = 0;
-int FrameCounter = 0;
+int FrameCounter = 0;
/* ========================================================================= */
/* init/close functions */
/* ========================================================================= */
-void InitCommandName(char *argv0)
+void InitProgramInfo(char *argv0,
+ char *userdata_directory, char *program_title,
+ char *window_title, char *icon_title,
+ char *x11_icon_filename, char *x11_iconmask_filename,
+ char *msdos_cursor_filename,
+ char *cookie_prefix, char *filename_prefix,
+ int program_version)
{
program.command_basename =
(strrchr(argv0, '/') ? strrchr(argv0, '/') + 1 : argv0);
+
+ program.userdata_directory = userdata_directory;
+ program.program_title = program_title;
+ program.window_title = window_title;
+ program.icon_title = icon_title;
+ program.x11_icon_filename = x11_icon_filename;
+ program.x11_iconmask_filename = x11_iconmask_filename;
+ program.msdos_cursor_filename = msdos_cursor_filename;
+
+ program.cookie_prefix = cookie_prefix;
+ program.filename_prefix = filename_prefix;
+
+ program.version_major = VERSION_MAJOR(program_version);
+ program.version_minor = VERSION_MINOR(program_version);
+ program.version_patch = VERSION_PATCH(program_version);
}
void InitExitFunction(void (*exit_function)(int))
#endif
}
-void InitPlatformDependantStuff(void)
+void InitPlatformDependentStuff(void)
{
#if defined(PLATFORM_MSDOS)
_fmode = O_BINARY;
-#endif
-
-#if !defined(PLATFORM_UNIX)
- program.userdata_directory = "userdata";
initErrorFile();
#endif
#endif
}
-void ClosePlatformDependantStuff(void)
+void ClosePlatformDependentStuff(void)
{
-#if !defined(PLATFORM_UNIX)
+#if defined(PLATFORM_MSDOS)
dumpErrorFile();
#endif
}
-void InitProgramInfo(char *unix_userdata_directory, char *program_title,
- char *window_title, char *icon_title,
- char *x11_icon_basename, char *x11_iconmask_basename,
- char *msdos_pointer_basename)
-{
- char *gfx_dir = getPath2(options.ro_base_directory, GRAPHICS_DIRECTORY);
- char *x11_icon_filename = getPath2(gfx_dir, x11_icon_basename);
- char *x11_iconmask_filename = getPath2(gfx_dir, x11_iconmask_basename);
- char *msdos_pointer_filename = getPath2(gfx_dir, msdos_pointer_basename);
-
- free(gfx_dir);
-
-#if defined(PLATFORM_UNIX)
- program.userdata_directory = unix_userdata_directory;
-#else
- program.userdata_directory = "userdata";
-#endif
-
- program.program_title = program_title;
- program.window_title = window_title;
- program.icon_title = icon_title;
- program.x11_icon_filename = x11_icon_filename;
- program.x11_iconmask_filename = x11_iconmask_filename;
- program.msdos_pointer_filename = msdos_pointer_filename;
-}
-
void InitGfxFieldInfo(int sx, int sy, int sxsize, int sysize,
int real_sx, int real_sy,
- int full_sxsize, int full_sysize)
+ int full_sxsize, int full_sysize,
+ Bitmap *field_save_buffer)
{
gfx.sx = sx;
gfx.sy = sy;
gfx.real_sy = real_sy;
gfx.full_sxsize = full_sxsize;
gfx.full_sysize = full_sysize;
+
+ gfx.field_save_buffer = field_save_buffer;
+
+ gfx.background_bitmap = NULL;
+ gfx.background_bitmap_mask = REDRAW_NONE;
+
+ SetDrawDeactivationMask(REDRAW_NONE); /* do not deactivate drawing */
+ SetDrawBackgroundMask(REDRAW_NONE); /* deactivate masked drawing */
}
void InitGfxDoor1Info(int dx, int dy, int dxsize, int dysize)
gfx.scrollbuffer_height = scrollbuffer_height;
}
+void SetDrawDeactivationMask(int draw_deactivation_mask)
+{
+ gfx.draw_deactivation_mask = draw_deactivation_mask;
+}
+
+void SetDrawBackgroundMask(int draw_background_mask)
+{
+ gfx.draw_background_mask = draw_background_mask;
+}
+
+static void DrawBitmapFromTile(Bitmap *bitmap, Bitmap *tile,
+ int dest_x, int dest_y, int width, int height)
+{
+ int bitmap_xsize = width;
+ int bitmap_ysize = height;
+ int tile_xsize = tile->width;
+ int tile_ysize = tile->height;
+ int tile_xsteps = (bitmap_xsize + tile_xsize - 1) / tile_xsize;
+ int tile_ysteps = (bitmap_ysize + tile_ysize - 1) / tile_ysize;
+ int x, y;
+
+ for (y=0; y < tile_ysteps; y++)
+ {
+ for (x=0; x < tile_xsteps; x++)
+ {
+ int draw_x = dest_x + x * tile_xsize;
+ int draw_y = dest_y + y * tile_ysize;
+ int draw_xsize = MIN(tile_xsize, bitmap_xsize - x * tile_xsize);
+ int draw_ysize = MIN(tile_ysize, bitmap_ysize - y * tile_ysize);
+
+ BlitBitmap(tile, bitmap, 0, 0, draw_xsize, draw_ysize, draw_x, draw_y);
+ }
+ }
+}
+
+void SetBackgroundBitmap(Bitmap *background_bitmap_tile, int mask)
+{
+ static Bitmap *main_bitmap_tile = NULL;
+ static Bitmap *door_bitmap_tile = NULL;
+
+ if (mask == REDRAW_FIELD)
+ {
+ if (background_bitmap_tile == main_bitmap_tile)
+ return; /* main background tile has not changed */
+
+ main_bitmap_tile = background_bitmap_tile;
+ }
+ else if (mask == REDRAW_DOOR_1)
+ {
+ if (background_bitmap_tile == door_bitmap_tile)
+ return; /* main background tile has not changed */
+
+ door_bitmap_tile = background_bitmap_tile;
+ }
+ else /* should not happen */
+ return;
+
+ if (background_bitmap_tile)
+ gfx.background_bitmap_mask |= mask;
+ else
+ gfx.background_bitmap_mask &= ~mask;
+
+ if (gfx.background_bitmap == NULL)
+ gfx.background_bitmap = CreateBitmap(video.width, video.height,
+ DEFAULT_DEPTH);
+
+ if (background_bitmap_tile == NULL) /* empty background requested */
+ return;
+
+ if (mask == REDRAW_FIELD)
+ DrawBitmapFromTile(gfx.background_bitmap, background_bitmap_tile,
+ gfx.real_sx, gfx.real_sy,
+ gfx.full_sxsize, gfx.full_sysize);
+ else
+ DrawBitmapFromTile(gfx.background_bitmap, background_bitmap_tile,
+ gfx.dx, gfx.dy,
+ gfx.dxsize, gfx.dysize);
+}
+
+void SetMainBackgroundBitmap(Bitmap *background_bitmap_tile)
+{
+ SetBackgroundBitmap(background_bitmap_tile, REDRAW_FIELD);
+}
+
+void SetDoorBackgroundBitmap(Bitmap *background_bitmap_tile)
+{
+ SetBackgroundBitmap(background_bitmap_tile, REDRAW_DOOR_1);
+}
+
/* ========================================================================= */
/* video functions */
return (depth == DEFAULT_DEPTH ? video.default_depth : depth);
}
+inline static void sysFillRectangle(Bitmap *bitmap, int x, int y,
+ int width, int height, Pixel color)
+{
+#if defined(TARGET_SDL)
+ SDLFillRectangle(bitmap, x, y, width, height, color);
+#else
+ X11FillRectangle(bitmap, x, y, width, height, color);
+#endif
+}
+
+inline static void sysCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y, int mask_mode)
+{
+#if defined(TARGET_SDL)
+ SDLCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y, mask_mode);
+#else
+ X11CopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y, mask_mode);
+#endif
+}
+
inline void InitVideoDisplay(void)
{
#if defined(TARGET_SDL)
video.fullscreen_available = FULLSCREEN_STATUS;
video.fullscreen_enabled = FALSE;
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
SDLInitVideoBuffer(backbuffer, window, fullscreen);
#else
X11InitVideoBuffer(backbuffer, window);
inline Bitmap *CreateBitmapStruct(void)
{
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
return checked_calloc(sizeof(struct SDLSurfaceInfo));
#else
return checked_calloc(sizeof(struct X11DrawableInfo));
Bitmap *new_bitmap = CreateBitmapStruct();
int real_depth = GetRealDepth(depth);
-#ifdef TARGET_SDL
- SDL_Surface *surface_tmp, *surface_native;
+#if defined(TARGET_SDL)
+ SDLCreateBitmapContent(new_bitmap, width, height, real_depth);
+#else
+ X11CreateBitmapContent(new_bitmap, width, height, real_depth);
+#endif
- if ((surface_tmp = SDL_CreateRGBSurface(SURFACE_FLAGS, width, height,
- real_depth, 0, 0, 0, 0))
- == NULL)
- Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError());
+ new_bitmap->width = width;
+ new_bitmap->height = height;
- if ((surface_native = SDL_DisplayFormat(surface_tmp)) == NULL)
- Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
+ return new_bitmap;
+}
- SDL_FreeSurface(surface_tmp);
+inline static void FreeBitmapPointers(Bitmap *bitmap)
+{
+ if (bitmap == NULL)
+ return;
- new_bitmap->surface = surface_native;
+#if defined(TARGET_SDL)
+ SDLFreeBitmapPointers(bitmap);
#else
- Pixmap pixmap;
-
- if ((pixmap = XCreatePixmap(display, window->drawable,
- width, height, real_depth))
- == None)
- Error(ERR_EXIT, "cannot create pixmap");
-
- new_bitmap->drawable = pixmap;
+ X11FreeBitmapPointers(bitmap);
+#endif
- if (window == NULL)
- Error(ERR_EXIT, "Window GC needed for Bitmap -- create Window first");
+ if (bitmap->source_filename)
+ free(bitmap->source_filename);
+ bitmap->source_filename = NULL;
+}
- new_bitmap->gc = window->gc;
+inline static void TransferBitmapPointers(Bitmap *src_bitmap,
+ Bitmap *dst_bitmap)
+{
+ if (src_bitmap == NULL || dst_bitmap == NULL)
+ return;
- new_bitmap->line_gc[0] = window->line_gc[0];
- new_bitmap->line_gc[1] = window->line_gc[1];
-#endif
+ FreeBitmapPointers(dst_bitmap);
- return new_bitmap;
+ *dst_bitmap = *src_bitmap;
}
inline void FreeBitmap(Bitmap *bitmap)
if (bitmap == NULL)
return;
-#ifdef TARGET_SDL
- if (bitmap->surface)
- SDL_FreeSurface(bitmap->surface);
- if (bitmap->surface_masked)
- SDL_FreeSurface(bitmap->surface_masked);
-#else
- if (bitmap->drawable)
- XFreePixmap(display, bitmap->drawable);
- if (bitmap->clip_mask)
- XFreePixmap(display, bitmap->clip_mask);
- if (bitmap->stored_clip_gc)
- XFreeGC(display, bitmap->stored_clip_gc);
-#endif
+ FreeBitmapPointers(bitmap);
free(bitmap);
}
inline void CloseWindow(DrawWindow *window)
{
-#ifdef TARGET_X11
+#if defined(TARGET_X11)
if (window->drawable)
{
XUnmapWindow(display, window->drawable);
#endif
}
+static inline boolean CheckDrawingArea(int x, int y, int width, int height,
+ int draw_mask)
+{
+ if (draw_mask == REDRAW_NONE)
+ return FALSE;
+
+ if (draw_mask & REDRAW_ALL)
+ return TRUE;
+
+ if ((draw_mask & REDRAW_FIELD) && x < gfx.real_sx + gfx.full_sxsize)
+ return TRUE;
+
+ if ((draw_mask & REDRAW_DOOR_1) && x >= gfx.dx && y < gfx.dy + gfx.dysize)
+ return TRUE;
+
+ if ((draw_mask & REDRAW_DOOR_2) && x >= gfx.dx && y >= gfx.vy)
+ return TRUE;
+
+ return FALSE;
+}
+
+inline boolean DrawingDeactivated(int x, int y, int width, int height)
+{
+ return CheckDrawingArea(x, y, width, height, gfx.draw_deactivation_mask);
+}
+
+inline boolean DrawingOnBackground(int x, int y)
+{
+ return ((gfx.draw_background_mask & gfx.background_bitmap_mask) &&
+ CheckDrawingArea(x, y, 1, 1, gfx.draw_background_mask));
+}
+
inline void BlitBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap,
- int src_x, int src_y,
- int width, int height,
+ int src_x, int src_y, int width, int height,
int dst_x, int dst_y)
{
-#ifdef TARGET_SDL
- SDLCopyArea(src_bitmap, dst_bitmap,
- src_x, src_y, width, height, dst_x, dst_y, SDLCOPYAREA_OPAQUE);
-#else
- XCopyArea(display, src_bitmap->drawable, dst_bitmap->drawable,
- dst_bitmap->gc, src_x, src_y, width, height, dst_x, dst_y);
-#endif
+ if (DrawingDeactivated(dst_x, dst_y, width, height))
+ return;
+
+ sysCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y, BLIT_OPAQUE);
+}
+
+inline void FillRectangle(Bitmap *bitmap, int x, int y, int width, int height,
+ Pixel color)
+{
+ if (DrawingDeactivated(x, y, width, height))
+ return;
+
+ sysFillRectangle(bitmap, x, y, width, height, color);
}
inline void ClearRectangle(Bitmap *bitmap, int x, int y, int width, int height)
{
-#ifdef TARGET_SDL
- SDLFillRectangle(bitmap, x, y, width, height, 0x000000);
-#else
- XFillRectangle(display, bitmap->drawable, bitmap->gc, x, y, width, height);
-#endif
+ FillRectangle(bitmap, x, y, width, height, BLACK_PIXEL);
+}
+
+inline void ClearRectangleOnBackground(Bitmap *bitmap, int x, int y,
+ int width, int height)
+{
+ if (DrawingOnBackground(x, y))
+ BlitBitmap(gfx.background_bitmap, bitmap, x, y, width, height, x, y);
+ else
+ ClearRectangle(bitmap, x, y, width, height);
}
#if 0
inline void SetClipMask(Bitmap *bitmap, GC clip_gc, Pixmap clip_pixmap)
{
-#ifdef TARGET_X11
+#if defined(TARGET_X11)
if (clip_gc)
{
bitmap->clip_gc = clip_gc;
inline void SetClipOrigin(Bitmap *bitmap, GC clip_gc, int clip_x, int clip_y)
{
-#ifdef TARGET_X11
+#if defined(TARGET_X11)
if (clip_gc)
{
bitmap->clip_gc = clip_gc;
int width, int height,
int dst_x, int dst_y)
{
-#ifdef TARGET_SDL
- SDLCopyArea(src_bitmap, dst_bitmap,
- src_x, src_y, width, height, dst_x, dst_y, SDLCOPYAREA_MASKED);
-#else
- XCopyArea(display, src_bitmap->drawable, dst_bitmap->drawable,
- src_bitmap->clip_gc, src_x, src_y, width, height, dst_x, dst_y);
-#endif
+ if (DrawingDeactivated(dst_x, dst_y, width, height))
+ return;
+
+ sysCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y, BLIT_MASKED);
+}
+
+inline void BlitBitmapOnBackground(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y,
+ int width, int height,
+ int dst_x, int dst_y)
+{
+ if (DrawingOnBackground(dst_x, dst_y))
+ {
+ /* draw background */
+ BlitBitmap(gfx.background_bitmap, dst_bitmap, dst_x, dst_y, width, height,
+ dst_x, dst_y);
+
+ /* draw foreground */
+ SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
+ dst_x - src_x, dst_y - src_y);
+ BlitBitmapMasked(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y);
+ }
+ else
+ BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y);
}
inline void DrawSimpleWhiteLine(Bitmap *bitmap, int from_x, int from_y,
int to_x, int to_y)
{
-#ifdef TARGET_SDL
- SDLDrawSimpleLine(bitmap->surface, from_x, from_y, to_x, to_y, 0xffffff);
+#if defined(TARGET_SDL)
+ SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, WHITE_PIXEL);
#else
- XSetForeground(display, bitmap->gc, WhitePixel(display, screen));
- XDrawLine(display, bitmap->drawable, bitmap->gc, from_x, from_y, to_x, to_y);
- XSetForeground(display, bitmap->gc, BlackPixel(display, screen));
+ X11DrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, WHITE_PIXEL);
#endif
}
continue;
#if defined(TARGET_SDL)
- sge_Line(bitmap->surface,
- from_x + dx, from_y + dy, to_x + dx, to_y + dy, pixel);
+ SDLDrawLine(bitmap,
+ 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);
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)
+inline Pixel GetPixel(Bitmap *bitmap, int x, int y)
{
- Pixel pixel;
+ if (x < 0 || x >= bitmap->width ||
+ y < 0 || y >= bitmap->height)
+ return BLACK_PIXEL;
#if defined(TARGET_SDL)
- pixel = SDL_MapRGB(bitmap->surface->format, color_r, color_g, color_b);
+ return SDLGetPixel(bitmap, x, y);
#elif defined(TARGET_ALLEGRO)
- pixel = AllegroAllocColorCell(color_r << 8, color_g << 8, color_b << 8);
-#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;
+ return AllegroGetPixel(bitmap->drawable, x, y);
+#else
+ return X11GetPixel(bitmap, x, y);
#endif
+}
- return pixel;
+inline Pixel GetPixelFromRGB(Bitmap *bitmap, unsigned int color_r,
+ unsigned int color_g, unsigned int color_b)
+{
+#if defined(TARGET_SDL)
+ return SDL_MapRGB(bitmap->surface->format, color_r, color_g, color_b);
+#elif defined(TARGET_ALLEGRO)
+ return AllegroAllocColorCell(color_r << 8, color_g << 8, color_b << 8);
+#else
+ return X11GetPixelFromRGB(color_r, color_g, color_b);
+#endif
}
inline Pixel GetPixelFromRGBcompact(Bitmap *bitmap, unsigned int color)
inline void KeyboardAutoRepeatOn(void)
{
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY / 2,
SDL_DEFAULT_REPEAT_INTERVAL / 2);
SDL_EnableUNICODE(1);
inline void KeyboardAutoRepeatOff(void)
{
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL);
SDL_EnableUNICODE(0);
#else
inline boolean PointerInWindow(DrawWindow *window)
{
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
return TRUE;
#else
Window root, child;
inline boolean SetVideoMode(boolean fullscreen)
{
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
return SDLSetVideoMode(&backbuffer, fullscreen);
#else
boolean success = TRUE;
inline boolean ChangeVideoModeIfNeeded(boolean fullscreen)
{
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
if ((fullscreen && !video.fullscreen_enabled && video.fullscreen_available)||
(!fullscreen && video.fullscreen_enabled))
fullscreen = SetVideoMode(fullscreen);
return fullscreen;
}
-Bitmap *LoadImage(char *basename)
+Bitmap *LoadImage(char *filename)
{
Bitmap *new_bitmap;
- char *filename = getPath3(options.ro_base_directory, GRAPHICS_DIRECTORY,
- basename);
#if defined(TARGET_SDL)
new_bitmap = SDLLoadImage(filename);
new_bitmap = X11LoadImage(filename);
#endif
- free(filename);
+ if (new_bitmap)
+ new_bitmap->source_filename = getStringCopy(filename);
+
+ return new_bitmap;
+}
+
+Bitmap *LoadCustomImage(char *basename)
+{
+ char *filename = getCustomImageFilename(basename);
+ Bitmap *new_bitmap;
+
+ if (filename == NULL)
+ Error(ERR_EXIT, "LoadCustomImage(): cannot find file '%s'", basename);
+
+ if ((new_bitmap = LoadImage(filename)) == NULL)
+ Error(ERR_EXIT, "LoadImage() failed: %s", GetError());
return new_bitmap;
}
+void ReloadCustomImage(Bitmap *bitmap, char *basename)
+{
+ char *filename = getCustomImageFilename(basename);
+ Bitmap *new_bitmap;
+
+ if (filename == NULL) /* (should never happen) */
+ {
+ Error(ERR_WARN, "ReloadCustomImage(): cannot find file '%s'", basename);
+ return;
+ }
+
+ if (strcmp(filename, bitmap->source_filename) == 0)
+ {
+ /* The old and new image are the same (have the same filename and path).
+ This usually means that this image does not exist in this graphic set
+ and a fallback to the existing image is done. */
+
+ return;
+ }
+
+ if ((new_bitmap = LoadImage(filename)) == NULL)
+ {
+ Error(ERR_WARN, "LoadImage() failed: %s", GetError());
+ return;
+ }
+
+ if (bitmap->width != new_bitmap->width ||
+ bitmap->height != new_bitmap->height)
+ {
+ Error(ERR_WARN, "ReloadCustomImage: new image '%s' has wrong dimensions",
+ filename);
+ FreeBitmap(new_bitmap);
+ return;
+ }
+
+ TransferBitmapPointers(new_bitmap, bitmap);
+ free(new_bitmap);
+}
+
+Bitmap *ZoomBitmap(Bitmap *src_bitmap, int zoom_width, int zoom_height)
+{
+ Bitmap *dst_bitmap = CreateBitmap(zoom_width, zoom_height, DEFAULT_DEPTH);
+
+#if defined(TARGET_SDL)
+ SDLZoomBitmap(src_bitmap, dst_bitmap);
+#else
+ X11ZoomBitmap(src_bitmap, dst_bitmap);
+#endif
+
+ return dst_bitmap;
+}
+
+void CreateBitmapWithSmallBitmaps(Bitmap *src_bitmap)
+{
+ Bitmap *tmp_bitmap, *tmp_bitmap_2, *tmp_bitmap_8;
+ int src_width, src_height;
+ int tmp_width, tmp_height;
+
+ src_width = src_bitmap->width;
+ src_height = src_bitmap->height;
+
+ tmp_width = src_width;
+ tmp_height = src_height + (src_height + 1) / 2; /* prevent odd height */
+
+ tmp_bitmap = CreateBitmap(tmp_width, tmp_height, DEFAULT_DEPTH);
+
+ tmp_bitmap_2 = ZoomBitmap(src_bitmap, src_width / 2, src_height / 2);
+ tmp_bitmap_8 = ZoomBitmap(src_bitmap, src_width / 8, src_height / 8);
+
+ BlitBitmap(src_bitmap, tmp_bitmap, 0, 0, src_width, src_height, 0, 0);
+ BlitBitmap(tmp_bitmap_2, tmp_bitmap, 0, 0, src_width / 2, src_height / 2,
+ 0, src_height);
+ BlitBitmap(tmp_bitmap_8, tmp_bitmap, 0, 0, src_width / 8, src_height / 8,
+ 3 * src_width / 4, src_height);
+
+ FreeBitmap(tmp_bitmap_2);
+ FreeBitmap(tmp_bitmap_8);
+
+#if defined(TARGET_SDL)
+ /* !!! what about the old src_bitmap->surface ??? FIX ME !!! */
+ src_bitmap->surface = tmp_bitmap->surface;
+ tmp_bitmap->surface = NULL;
+#else
+ /* !!! see above !!! */
+ src_bitmap->drawable = tmp_bitmap->drawable;
+ tmp_bitmap->drawable = None;
+#endif
+
+ src_bitmap->height = tmp_bitmap->height;
+
+ FreeBitmap(tmp_bitmap);
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* mouse pointer functions */
+/* ------------------------------------------------------------------------- */
+
+#if !defined(PLATFORM_MSDOS)
+/* XPM */
+static const char *cursor_image_playfield[] =
+{
+ /* width height num_colors chars_per_pixel */
+ " 16 16 3 1",
+
+ /* colors */
+ "X c #000000",
+ ". c #ffffff",
+ " c None",
+
+ /* pixels */
+ " X ",
+ "X.X ",
+ " X ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+
+ /* hot spot */
+ "1,1"
+};
+
+#if defined(TARGET_SDL)
+static const int cursor_bit_order = BIT_ORDER_MSB;
+#elif defined(TARGET_X11_NATIVE)
+static const int cursor_bit_order = BIT_ORDER_LSB;
+#endif
+
+static struct MouseCursorInfo *get_cursor_from_image(const char **image)
+{
+ struct MouseCursorInfo *cursor;
+ boolean bit_order_msb = (cursor_bit_order == BIT_ORDER_MSB);
+ int header_lines = 4;
+ int x, y, i;
+
+ cursor = checked_calloc(sizeof(struct MouseCursorInfo));
+
+ sscanf(image[0], " %d %d ", &cursor->width, &cursor->height);
+
+ i = -1;
+ for (y=0; y < cursor->width; y++)
+ {
+ for (x=0; x < cursor->height; x++)
+ {
+ int bit_nr = x % 8;
+ int bit_mask = 0x01 << (bit_order_msb ? 7 - bit_nr : bit_nr );
+
+ if (bit_nr == 0)
+ {
+ i++;
+ cursor->data[i] = cursor->mask[i] = 0;
+ }
+
+ switch (image[header_lines + y][x])
+ {
+ case 'X':
+ cursor->data[i] |= bit_mask;
+ cursor->mask[i] |= bit_mask;
+ break;
+
+ case '.':
+ cursor->mask[i] |= bit_mask;
+ break;
+
+ case ' ':
+ break;
+ }
+ }
+ }
+
+ sscanf(image[header_lines + y], "%d,%d", &cursor->hot_x, &cursor->hot_y);
+
+ return cursor;
+}
+#endif /* !PLATFORM_MSDOS */
+
+void SetMouseCursor(int mode)
+{
+#if !defined(PLATFORM_MSDOS)
+ static struct MouseCursorInfo *cursor_playfield = NULL;
+
+ if (cursor_playfield == NULL)
+ cursor_playfield = get_cursor_from_image(cursor_image_playfield);
+
+#if defined(TARGET_SDL)
+ SDLSetMouseCursor(mode == CURSOR_PLAYFIELD ? cursor_playfield : NULL);
+#elif defined(TARGET_X11_NATIVE)
+ X11SetMouseCursor(mode == CURSOR_PLAYFIELD ? cursor_playfield : NULL);
+#endif
+#endif
+}
+
/* ========================================================================= */
/* audio functions */
audio.sound_available = FALSE;
audio.music_available = FALSE;
audio.loops_available = FALSE;
- audio.mods_available = FALSE;
+
audio.sound_enabled = FALSE;
+ audio.sound_deactivated = FALSE;
- audio.soundserver_pipe[0] = audio.soundserver_pipe[1] = 0;
- audio.soundserver_pid = 0;
+ audio.mixer_pipe[0] = audio.mixer_pipe[1] = 0;
+ audio.mixer_pid = 0;
audio.device_name = NULL;
- audio.device_fd = 0;
+ audio.device_fd = -1;
- audio.channels = 0;
+ audio.num_channels = 0;
audio.music_channel = 0;
- audio.music_nr = 0;
+ audio.first_sound_channel = 0;
#if defined(TARGET_SDL)
SDLOpenAudio();
-#elif defined(PLATFORM_MSDOS)
- MSDOSOpenAudio();
#elif defined(PLATFORM_UNIX)
UnixOpenAudio();
+#elif defined(PLATFORM_MSDOS)
+ MSDOSOpenAudio();
#endif
}
{
#if defined(TARGET_SDL)
SDLCloseAudio();
-#elif defined(PLATFORM_MSDOS)
- MSDOSCloseAudio();
#elif defined(PLATFORM_UNIX)
UnixCloseAudio();
+#elif defined(PLATFORM_MSDOS)
+ MSDOSCloseAudio();
#endif
audio.sound_enabled = FALSE;
inline void InitEventFilter(EventFilter filter_function)
{
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
/* set event filter to filter out certain events */
SDL_SetEventFilter(filter_function);
#endif
inline boolean PendingEvent(void)
{
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
return (SDL_PollEvent(NULL) ? TRUE : FALSE);
#else
return (XPending(display) ? TRUE : FALSE);
inline void NextEvent(Event *event)
{
-#ifdef TARGET_SDL
- SDL_WaitEvent(event);
+#if defined(TARGET_SDL)
+ SDLNextEvent(event);
#else
XNextEvent(display, event);
#endif
inline Key GetEventKey(KeyEvent *event, boolean with_modifiers)
{
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL)
#if 0
printf("unicode == '%d', sym == '%d', mod == '0x%04x'\n",
(int)event->keysym.unicode,
(int)SDL_GetModState());
#endif
- if (with_modifiers && event->keysym.unicode != 0)
+ if (with_modifiers &&
+ event->keysym.unicode > 0x0000 &&
+ event->keysym.unicode < 0x2000)
return event->keysym.unicode;
else
return event->keysym.sym;
#endif
}
+inline KeyMod HandleKeyModState(Key key, int key_status)
+{
+ static KeyMod current_modifiers = KMOD_None;
+
+#if !defined(TARGET_SDL)
+ if (key != KSYM_UNDEFINED) /* new key => check for modifier key change */
+ {
+ KeyMod new_modifier = KMOD_None;
+
+ switch(key)
+ {
+ case KSYM_Shift_L:
+ new_modifier = KMOD_Shift_L;
+ break;
+ case KSYM_Shift_R:
+ new_modifier = KMOD_Shift_R;
+ break;
+ case KSYM_Control_L:
+ new_modifier = KMOD_Control_L;
+ break;
+ case KSYM_Control_R:
+ new_modifier = KMOD_Control_R;
+ break;
+ case KSYM_Meta_L:
+ new_modifier = KMOD_Meta_L;
+ break;
+ case KSYM_Meta_R:
+ new_modifier = KMOD_Meta_R;
+ break;
+ case KSYM_Alt_L:
+ new_modifier = KMOD_Alt_L;
+ break;
+ case KSYM_Alt_R:
+ new_modifier = KMOD_Alt_R;
+ break;
+ default:
+ break;
+ }
+
+ if (key_status == KEY_PRESSED)
+ current_modifiers |= new_modifier;
+ else
+ current_modifiers &= ~new_modifier;
+ }
+#endif
+
+ return current_modifiers;
+}
+
+inline KeyMod GetKeyModState()
+{
+#if defined(TARGET_SDL)
+ return (KeyMod)SDL_GetModState();
+#else
+ return HandleKeyModState(KSYM_UNDEFINED, 0);
+#endif
+}
+
inline boolean CheckCloseWindowEvent(ClientMessageEvent *event)
{
if (event->type != EVENT_CLIENTMESSAGE)
}
-inline void dummy(void)
+/* ========================================================================= */
+/* joystick functions */
+/* ========================================================================= */
+
+inline void InitJoysticks()
{
-#ifdef TARGET_SDL
-#else
+ int i;
+
+#if defined(NO_JOYSTICK)
+ return; /* joysticks generally deactivated by compile-time directive */
+#endif
+
+ /* always start with reliable default values */
+ joystick.status = JOYSTICK_NOT_AVAILABLE;
+ for (i=0; i<MAX_PLAYERS; i++)
+ joystick.fd[i] = -1; /* joystick device closed */
+
+#if defined(TARGET_SDL)
+ SDLInitJoysticks();
+#elif defined(PLATFORM_UNIX)
+ UnixInitJoysticks();
+#elif defined(PLATFORM_MSDOS)
+ MSDOSInitJoysticks();
+#endif
+}
+
+inline boolean ReadJoystick(int nr, int *x, int *y, boolean *b1, boolean *b2)
+{
+#if defined(TARGET_SDL)
+ return SDLReadJoystick(nr, x, y, b1, b2);
+#elif defined(PLATFORM_UNIX)
+ return UnixReadJoystick(nr, x, y, b1, b2);
+#elif defined(PLATFORM_MSDOS)
+ return MSDOSReadJoystick(nr, x, y, b1, b2);
#endif
}