* system.c *
***********************************************************/
-#include "libgame.h"
+#include <string.h>
+
+#include "platform.h"
+
+#if defined(PLATFORM_MSDOS)
+#include <fcntl.h>
+#endif
+#include "libgame.h"
+#if 0
/* ========================================================================= */
-/* internal variables */
+/* exported variables */
/* ========================================================================= */
-Display *display;
-Visual *visual;
-int screen;
-Colormap cmap;
+struct ProgramInfo program;
+struct OptionInfo options;
+struct VideoSystemInfo video;
+struct AudioSystemInfo audio;
+struct GfxInfo gfx;
+
+Display *display = NULL;
+Visual *visual = NULL;
+int screen = 0;
+Colormap cmap = None;
-DrawWindow window = None;
-GC gc;
+DrawWindow window = NULL;
+DrawBuffer backbuffer = NULL;
+DrawBuffer drawto = NULL;
-int FrameCounter;
+int button_status = MB_NOT_PRESSED;
+boolean motion_status = FALSE;
+int redraw_mask = REDRAW_NONE;
+int redraw_tiles = 0;
+
+int FrameCounter = 0;
+
+#endif
/* ========================================================================= */
-/* exported variables */
+/* init functions */
/* ========================================================================= */
-struct VideoSystemInfo video;
-struct AudioSystemInfo audio;
-struct OptionInfo options;
+void InitCommandName(char *argv0)
+{
+ program.command_basename =
+ (strrchr(argv0, '/') ? strrchr(argv0, '/') + 1 : argv0);
+}
+
+void InitExitFunction(void (*exit_function)(int))
+{
+ program.exit_function = exit_function;
+}
+
+void InitPlatformDependantStuff(void)
+{
+#if defined(PLATFORM_MSDOS)
+ _fmode = O_BINARY;
+#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)
+{
+ gfx.sx = sx;
+ gfx.sy = sy;
+ gfx.sxsize = sxsize;
+ gfx.sysize = sysize;
+ gfx.real_sx = real_sx;
+ gfx.real_sy = real_sy;
+ gfx.full_sxsize = full_sxsize;
+ gfx.full_sysize = full_sysize;
+}
+
+void InitGfxDoor1Info(int dx, int dy, int dxsize, int dysize)
+{
+ gfx.dx = dx;
+ gfx.dy = dy;
+ gfx.dxsize = dxsize;
+ gfx.dysize = dysize;
+}
+
+void InitGfxDoor2Info(int vx, int vy, int vxsize, int vysize)
+{
+ gfx.vx = vx;
+ gfx.vy = vy;
+ gfx.vxsize = vxsize;
+ gfx.vysize = vysize;
+}
+
+void InitGfxScrollbufferInfo(int scrollbuffer_width, int scrollbuffer_height)
+{
+ /* currently only used by MSDOS code to alloc VRAM buffer, if available */
+ gfx.scrollbuffer_width = scrollbuffer_width;
+ gfx.scrollbuffer_height = scrollbuffer_height;
+}
/* ========================================================================= */
/* video functions */
/* ========================================================================= */
-inline void InitBufferedDisplay(DrawBuffer *backbuffer, DrawWindow *window)
+inline static int GetRealDepth(int depth)
+{
+ return (depth == DEFAULT_DEPTH ? video.default_depth : depth);
+}
+
+inline void InitVideoDisplay(void)
+{
+#ifdef TARGET_SDL
+ SDLInitVideoDisplay();
+#else
+ X11InitVideoDisplay();
+#endif
+}
+
+inline void InitVideoBuffer(DrawBuffer *backbuffer, DrawWindow *window,
+ int width, int height, int depth,
+ boolean fullscreen)
{
+ video.width = width;
+ video.height = height;
+ video.depth = GetRealDepth(depth);
video.fullscreen_available = FULLSCREEN_STATUS;
video.fullscreen_enabled = FALSE;
#ifdef TARGET_SDL
- SDLInitBufferedDisplay(backbuffer, window);
+ SDLInitVideoBuffer(backbuffer, window, fullscreen);
#else
- X11InitBufferedDisplay(backbuffer, window);
+ X11InitVideoBuffer(backbuffer, window);
#endif
}
-inline int GetDisplayDepth(void)
+inline Bitmap CreateBitmapStruct(void)
{
#ifdef TARGET_SDL
- return SDL_GetVideoSurface()->format->BitsPerPixel;
+ return checked_calloc(sizeof(struct SDLSurfaceInfo));
#else
- return XDefaultDepth(display, screen);
+ return checked_calloc(sizeof(struct X11DrawableInfo));
#endif
}
inline Bitmap CreateBitmap(int width, int height, int depth)
{
- int real_depth = (depth == DEFAULT_DEPTH ? GetDisplayDepth() : depth);
+ Bitmap new_bitmap = CreateBitmapStruct();
+ int real_depth = GetRealDepth(depth);
#ifdef TARGET_SDL
SDL_Surface *surface_tmp, *surface_native;
SDL_FreeSurface(surface_tmp);
- return surface_native;
+ new_bitmap->surface = surface_native;
#else
Pixmap pixmap;
- if (!(pixmap = XCreatePixmap(display, window, width, height, real_depth)))
+ if (!(pixmap = XCreatePixmap(display, window->drawable,
+ width, height, real_depth)))
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;
- return pixmap;
#endif
+
+ return new_bitmap;
}
inline void FreeBitmap(Bitmap bitmap)
{
+ if (bitmap == NULL)
+ return;
+
#ifdef TARGET_SDL
- SDL_FreeSurface(bitmap);
+ if (bitmap->surface)
+ SDL_FreeSurface(bitmap->surface);
+ if (bitmap->surface_masked)
+ SDL_FreeSurface(bitmap->surface_masked);
#else
- XFreePixmap(display, bitmap);
+ 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
+
+ free(bitmap);
}
-inline void ClearRectangle(Bitmap bitmap, int x, int y, int width, int height)
+inline void CloseWindow(DrawWindow window)
{
-#ifdef TARGET_SDL
- SDLFillRectangle(bitmap, x, y, width, height, 0x000000);
-#else
- XFillRectangle(display, bitmap, gc, x, y, width, height);
+#ifdef TARGET_X11
+ if (window->drawable)
+ {
+ XUnmapWindow(display, window->drawable);
+ XDestroyWindow(display, window->drawable);
+ }
+ if (window->gc)
+ XFreeGC(display, window->gc);
#endif
}
{
#ifdef TARGET_SDL
SDLCopyArea(src_bitmap, dst_bitmap,
- src_x, src_y, width, height, dst_x, dst_y);
+ src_x, src_y, width, height, dst_x, dst_y, SDLCOPYAREA_OPAQUE);
#else
- XCopyArea(display, src_bitmap, dst_bitmap, gc,
- src_x, src_y, width, height, dst_x, dst_y);
+ XCopyArea(display, src_bitmap->drawable, dst_bitmap->drawable,
+ dst_bitmap->gc, src_x, src_y, width, height, dst_x, dst_y);
#endif
}
+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
+}
+
+#if 0
#ifndef TARGET_SDL
static GC last_clip_gc = 0; /* needed for XCopyArea() through clip mask */
#endif
+#endif
-inline void SetClipMask(GC clip_gc, Pixmap clip_pixmap)
+inline void SetClipMask(Bitmap bitmap, GC clip_gc, Pixmap clip_pixmap)
{
-#ifndef TARGET_SDL
- XSetClipMask(display, clip_gc, clip_pixmap);
+#ifdef TARGET_X11
+ if (clip_gc)
+ {
+ bitmap->clip_gc = clip_gc;
+ XSetClipMask(display, bitmap->clip_gc, clip_pixmap);
+ }
+#if 0
last_clip_gc = clip_gc;
#endif
+#endif
}
-inline void SetClipOrigin(GC clip_gc, int clip_x, int clip_y)
+inline void SetClipOrigin(Bitmap bitmap, GC clip_gc, int clip_x, int clip_y)
{
-#ifndef TARGET_SDL
- XSetClipOrigin(display, clip_gc, clip_x, clip_y);
+#ifdef TARGET_X11
+ if (clip_gc)
+ {
+ bitmap->clip_gc = clip_gc;
+ XSetClipOrigin(display, bitmap->clip_gc, clip_x, clip_y);
+ }
+#if 0
last_clip_gc = clip_gc;
#endif
+#endif
}
inline void BlitBitmapMasked(Bitmap src_bitmap, Bitmap dst_bitmap,
{
#ifdef TARGET_SDL
SDLCopyArea(src_bitmap, dst_bitmap,
- src_x, src_y, width, height, dst_x, dst_y);
+ src_x, src_y, width, height, dst_x, dst_y, SDLCOPYAREA_MASKED);
#else
- XCopyArea(display, src_bitmap, dst_bitmap, last_clip_gc,
- src_x, src_y, width, height, dst_x, dst_y);
+ XCopyArea(display, src_bitmap->drawable, dst_bitmap->drawable,
+ src_bitmap->clip_gc, src_x, src_y, width, height, dst_x, dst_y);
#endif
}
int to_x, int to_y)
{
#ifdef TARGET_SDL
- SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, 0xffffff);
+ SDLDrawSimpleLine(bitmap->surface, from_x, from_y, to_x, to_y, 0xffffff);
#else
- XSetForeground(display, gc, WhitePixel(display, screen));
- XDrawLine(display, bitmap, gc, from_x, from_y, to_x, to_y);
- XSetForeground(display, gc, BlackPixel(display, screen));
+ 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));
#endif
}
#ifdef TARGET_SDL
return TRUE;
#else
- DrawWindow root, child;
+ Window root, child;
int root_x, root_y;
unsigned int mask;
int win_x, win_y;
/* if XQueryPointer() returns False, the pointer
is not on the same screen as the specified window */
- return XQueryPointer(display, window, &root, &child, &root_x, &root_y,
- &win_x, &win_y, &mask);
+ return XQueryPointer(display, window->drawable, &root, &child,
+ &root_x, &root_y, &win_x, &win_y, &mask);
#endif
}
#ifdef TARGET_SDL
if ((fullscreen && !video.fullscreen_enabled && video.fullscreen_available)||
(!fullscreen && video.fullscreen_enabled))
- fullscreen = SetVideoMode(fullscreen_wanted);
+ fullscreen = SetVideoMode(fullscreen);
#endif
return fullscreen;
#if defined(TARGET_SDL)
return TRUE; /* the only possible message here is SDL_QUIT */
#elif defined(PLATFORM_UNIX)
- if ((event->window == window) &&
+ if ((event->window == window->drawable) &&
(event->data.l[0] == XInternAtom(display, "WM_DELETE_WINDOW", FALSE)))
return TRUE;
#endif