-/***********************************************************
-* Artsoft Retro-Game Library *
-*----------------------------------------------------------*
-* (c) 1994-2001 Artsoft Entertainment *
-* Holger Schemel *
-* Detmolder Strasse 189 *
-* 33604 Bielefeld *
-* Germany *
-* e-mail: info@artsoft.org *
-*----------------------------------------------------------*
-* system.c *
-***********************************************************/
+// ============================================================================
+// Artsoft Retro-Game Library
+// ----------------------------------------------------------------------------
+// (c) 1995-2014 by Artsoft Entertainment
+// Holger Schemel
+// info@artsoft.org
+// http://www.artsoft.org/
+// ----------------------------------------------------------------------------
+// system.c
+// ============================================================================
#include <string.h>
#include <signal.h>
#include "platform.h"
-#if defined(PLATFORM_MSDOS)
-#include <fcntl.h>
-#endif
-
#include "system.h"
+#include "image.h"
#include "sound.h"
#include "setup.h"
#include "joystick.h"
#include "misc.h"
+#define ENABLE_UNUSED_CODE 0 /* currently unused functions */
+
/* ========================================================================= */
/* exported variables */
struct VideoSystemInfo video;
struct AudioSystemInfo audio;
struct GfxInfo gfx;
+struct OverlayInfo overlay;
struct ArtworkInfo artwork;
struct JoystickInfo joystick;
struct SetupInfo setup;
+LevelDirTree *leveldir_first_all = NULL;
LevelDirTree *leveldir_first = NULL;
LevelDirTree *leveldir_current = NULL;
int level_nr;
-Display *display = NULL;
-Visual *visual = NULL;
-int screen = 0;
-Colormap cmap = None;
+struct LevelStats level_stats[MAX_LEVELS];
DrawWindow *window = NULL;
DrawBuffer *backbuffer = NULL;
int button_status = MB_NOT_PRESSED;
boolean motion_status = FALSE;
+int wheel_steps = DEFAULT_WHEEL_STEPS;
+#if defined(TARGET_SDL2)
+boolean keyrepeat_status = TRUE;
+#endif
int redraw_mask = REDRAW_NONE;
-int redraw_tiles = 0;
int FrameCounter = 0;
/* init/close functions */
/* ========================================================================= */
-void InitCommandName(char *argv0)
+void InitProgramInfo(char *argv0, char *config_filename, char *userdata_subdir,
+ char *program_title, char *icon_title,
+ char *icon_filename, char *cookie_prefix,
+ char *program_version_string, int program_version)
+{
+ program.command_basepath = getBasePath(argv0);
+ program.command_basename = getBaseName(argv0);
+
+ program.config_filename = config_filename;
+
+ program.userdata_subdir = userdata_subdir;
+ program.userdata_path = getUserGameDataDir();
+
+ program.program_title = program_title;
+ program.window_title = "(undefined)";
+ program.icon_title = icon_title;
+
+ program.icon_filename = icon_filename;
+
+ program.cookie_prefix = cookie_prefix;
+
+ program.version_major = VERSION_MAJOR(program_version);
+ program.version_minor = VERSION_MINOR(program_version);
+ program.version_patch = VERSION_PATCH(program_version);
+ program.version_build = VERSION_BUILD(program_version);
+ program.version_ident = program_version;
+
+ program.version_string = program_version_string;
+
+ program.log_filename[LOG_OUT_ID] = getLogFilename(LOG_OUT_BASENAME);
+ program.log_filename[LOG_ERR_ID] = getLogFilename(LOG_ERR_BASENAME);
+ program.log_file[LOG_OUT_ID] = program.log_file_default[LOG_OUT_ID] = stdout;
+ program.log_file[LOG_ERR_ID] = program.log_file_default[LOG_ERR_ID] = stderr;
+
+ program.headless = FALSE;
+}
+
+void InitScoresInfo()
+{
+ char *global_scores_dir = getPath2(getCommonDataDir(), SCORES_DIRECTORY);
+
+ program.global_scores = directoryExists(global_scores_dir);
+ program.many_scores_per_name = !program.global_scores;
+
+ if (options.debug)
+ {
+ if (program.global_scores)
+ {
+ Error(ERR_DEBUG, "Using global, multi-user scores directory '%s'.",
+ global_scores_dir);
+ Error(ERR_DEBUG, "Remove to enable single-user scores directory.");
+ Error(ERR_DEBUG, "(This enables multipe score entries per user.)");
+ }
+ else
+ {
+ Error(ERR_DEBUG, "Using private, single-user scores directory.");
+ }
+ }
+
+ free(global_scores_dir);
+}
+
+void SetWindowTitle()
+{
+ program.window_title = program.window_title_function();
+
+ SDLSetWindowTitle();
+}
+
+void InitWindowTitleFunction(char *(*window_title_function)(void))
{
- program.command_basename =
- (strrchr(argv0, '/') ? strrchr(argv0, '/') + 1 : argv0);
+ program.window_title_function = window_title_function;
+}
+
+void InitExitMessageFunction(void (*exit_message_function)(char *, va_list))
+{
+ program.exit_message_function = exit_message_function;
}
void InitExitFunction(void (*exit_function)(int))
program.exit_function = exit_function;
/* set signal handlers to custom exit function */
- signal(SIGINT, 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)
+void InitPlatformDependentStuff(void)
{
-#if defined(PLATFORM_MSDOS)
- _fmode = O_BINARY;
-#endif
+ // this is initialized in GetOptions(), but may already be used before
+ options.verbose = TRUE;
-#if !defined(PLATFORM_UNIX)
- program.userdata_directory = "userdata";
- initErrorFile();
+ OpenLogFiles();
+
+#if defined(TARGET_SDL2)
+ int sdl_init_flags = SDL_INIT_EVENTS | SDL_INIT_NOPARACHUTE;
+#else
+ int sdl_init_flags = SDL_INIT_EVENTTHREAD | SDL_INIT_NOPARACHUTE;
#endif
-#if defined(TARGET_SDL)
- if (SDL_Init(SDL_INIT_EVENTTHREAD | SDL_INIT_NOPARACHUTE) < 0)
+ if (SDL_Init(sdl_init_flags) < 0)
Error(ERR_EXIT, "SDL_Init() failed: %s", SDL_GetError());
-#endif
-}
-void ClosePlatformDependantStuff(void)
-{
-#if !defined(PLATFORM_UNIX)
- dumpErrorFile();
-#endif
+ SDLNet_Init();
}
-void InitProgramInfo(char *unix_userdata_directory, char *program_title,
- char *window_title, char *icon_title,
- char *x11_icon_filename, char *x11_iconmask_filename,
- char *msdos_pointer_filename,
- char *cookie_prefix, char *filename_prefix,
- int program_version)
+void ClosePlatformDependentStuff(void)
{
-#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;
-
- 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);
+ CloseLogFiles();
}
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.full_sxsize = full_sxsize;
gfx.full_sysize = full_sysize;
+ gfx.field_save_buffer = field_save_buffer;
+
SetDrawDeactivationMask(REDRAW_NONE); /* do not deactivate drawing */
+ SetDrawBackgroundMask(REDRAW_NONE); /* deactivate masked drawing */
+}
+
+void InitGfxTileSizeInfo(int game_tile_size, int standard_tile_size)
+{
+ gfx.game_tile_size = game_tile_size;
+ gfx.standard_tile_size = standard_tile_size;
}
void InitGfxDoor1Info(int dx, int dy, int dxsize, int dysize)
gfx.vysize = vysize;
}
+void InitGfxDoor3Info(int ex, int ey, int exsize, int eysize)
+{
+ gfx.ex = ex;
+ gfx.ey = ey;
+ gfx.exsize = exsize;
+ gfx.eysize = eysize;
+}
+
+void InitGfxWindowInfo(int win_xsize, int win_ysize)
+{
+ if (win_xsize != gfx.win_xsize || win_ysize != gfx.win_ysize)
+ {
+ ReCreateBitmap(&gfx.background_bitmap, win_xsize, win_ysize);
+
+#if defined(TARGET_SDL2)
+ ReCreateBitmap(&gfx.final_screen_bitmap, win_xsize, win_ysize);
+#endif
+
+ ReCreateBitmap(&gfx.fade_bitmap_backup, win_xsize, win_ysize);
+ ReCreateBitmap(&gfx.fade_bitmap_source, win_xsize, win_ysize);
+ ReCreateBitmap(&gfx.fade_bitmap_target, win_xsize, win_ysize);
+ ReCreateBitmap(&gfx.fade_bitmap_black, win_xsize, win_ysize);
+
+ ClearRectangle(gfx.fade_bitmap_black, 0, 0, win_xsize, win_ysize);
+ }
+
+ gfx.win_xsize = win_xsize;
+ gfx.win_ysize = win_ysize;
+
+ gfx.background_bitmap_mask = REDRAW_NONE;
+}
+
void InitGfxScrollbufferInfo(int scrollbuffer_width, int scrollbuffer_height)
{
/* currently only used by MSDOS code to alloc VRAM buffer, if available */
+ /* 2009-03-24: also (temporarily?) used for overlapping blit workaround */
gfx.scrollbuffer_width = scrollbuffer_width;
gfx.scrollbuffer_height = scrollbuffer_height;
}
+void InitGfxClipRegion(boolean enabled, int x, int y, int width, int height)
+{
+ gfx.clipping_enabled = enabled;
+ gfx.clip_x = x;
+ gfx.clip_y = y;
+ gfx.clip_width = width;
+ gfx.clip_height = height;
+}
+
+void InitGfxDrawBusyAnimFunction(void (*draw_busy_anim_function)(void))
+{
+ gfx.draw_busy_anim_function = draw_busy_anim_function;
+}
+
+void InitGfxDrawGlobalAnimFunction(void (*draw_global_anim_function)(int, int))
+{
+ gfx.draw_global_anim_function = draw_global_anim_function;
+}
+
+void InitGfxDrawGlobalBorderFunction(void (*draw_global_border_function)(int))
+{
+ gfx.draw_global_border_function = draw_global_border_function;
+}
+
+void InitGfxCustomArtworkInfo()
+{
+ gfx.override_level_graphics = FALSE;
+ gfx.override_level_sounds = FALSE;
+ gfx.override_level_music = FALSE;
+
+ gfx.draw_init_text = TRUE;
+}
+
+void InitGfxOtherSettings()
+{
+ gfx.cursor_mode = CURSOR_DEFAULT;
+}
+
+void InitOverlayInfo()
+{
+ overlay.enabled = FALSE;
+ overlay.active = FALSE;
+
+#if defined(PLATFORM_ANDROID)
+ if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
+ overlay.enabled = TRUE;
+#endif
+}
+
+void SetOverlayEnabled(boolean enabled)
+{
+ overlay.enabled = enabled;
+}
+
+void SetOverlayActive(boolean active)
+{
+ overlay.active = active;
+}
+
+boolean GetOverlayActive()
+{
+ return overlay.active;
+}
+
void SetDrawDeactivationMask(int draw_deactivation_mask)
{
gfx.draw_deactivation_mask = draw_deactivation_mask;
}
+int GetDrawDeactivationMask()
+{
+ return gfx.draw_deactivation_mask;
+}
+
+void SetDrawBackgroundMask(int draw_background_mask)
+{
+ gfx.draw_background_mask = draw_background_mask;
+}
+
+void SetBackgroundBitmap(Bitmap *background_bitmap_tile, int mask)
+{
+ if (background_bitmap_tile != NULL)
+ gfx.background_bitmap_mask |= mask;
+ else
+ gfx.background_bitmap_mask &= ~mask;
+
+ if (background_bitmap_tile == NULL) /* empty background requested */
+ return;
+
+ if (mask == REDRAW_ALL)
+ BlitBitmapTiled(background_bitmap_tile, gfx.background_bitmap, 0, 0, 0, 0,
+ 0, 0, video.width, video.height);
+ else if (mask == REDRAW_FIELD)
+ BlitBitmapTiled(background_bitmap_tile, gfx.background_bitmap, 0, 0, 0, 0,
+ gfx.real_sx, gfx.real_sy, gfx.full_sxsize, gfx.full_sysize);
+ else if (mask == REDRAW_DOOR_1)
+ BlitBitmapTiled(background_bitmap_tile, gfx.background_bitmap, 0, 0, 0, 0,
+ gfx.dx, gfx.dy, gfx.dxsize, gfx.dysize);
+}
+
+void SetWindowBackgroundBitmap(Bitmap *background_bitmap_tile)
+{
+ /* remove every mask before setting mask for window */
+ /* (!!! TO BE FIXED: The whole REDRAW_* system really sucks! !!!) */
+ SetBackgroundBitmap(NULL, 0xffff); /* !!! FIX THIS !!! */
+ SetBackgroundBitmap(background_bitmap_tile, REDRAW_ALL);
+}
+
+void SetMainBackgroundBitmap(Bitmap *background_bitmap_tile)
+{
+ /* remove window area mask before setting mask for main area */
+ /* (!!! TO BE FIXED: The whole REDRAW_* system really sucks! !!!) */
+ SetBackgroundBitmap(NULL, REDRAW_ALL); /* !!! FIX THIS !!! */
+ SetBackgroundBitmap(background_bitmap_tile, REDRAW_FIELD);
+}
+
+void SetDoorBackgroundBitmap(Bitmap *background_bitmap_tile)
+{
+ /* remove window area mask before setting mask for door area */
+ /* (!!! TO BE FIXED: The whole REDRAW_* system really sucks! !!!) */
+ SetBackgroundBitmap(NULL, REDRAW_ALL); /* !!! FIX THIS !!! */
+ SetBackgroundBitmap(background_bitmap_tile, REDRAW_DOOR_1);
+}
+
/* ========================================================================= */
/* video functions */
return (depth == DEFAULT_DEPTH ? video.default_depth : depth);
}
-inline void InitVideoDisplay(void)
+inline static void sysFillRectangle(Bitmap *bitmap, int x, int y,
+ int width, int height, Pixel color)
+{
+ SDLFillRectangle(bitmap, x, y, width, height, color);
+
+ if (bitmap == backbuffer)
+ SetRedrawMaskFromArea(x, y, width, height);
+}
+
+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)
+{
+ SDLCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y, mask_mode);
+
+ if (dst_bitmap == backbuffer)
+ SetRedrawMaskFromArea(dst_x, dst_y, width, height);
+}
+
+void LimitScreenUpdates(boolean enable)
{
-#if defined(TARGET_SDL)
+ SDLLimitScreenUpdates(enable);
+}
+
+void InitVideoDisplay(void)
+{
+ if (program.headless)
+ return;
+
SDLInitVideoDisplay();
-#else
- X11InitVideoDisplay();
+#if defined(TARGET_SDL2)
+ SDLSetDisplaySize();
#endif
}
-inline void CloseVideoDisplay(void)
+void CloseVideoDisplay(void)
{
KeyboardAutoRepeatOn();
-#if defined(TARGET_SDL)
SDL_QuitSubSystem(SDL_INIT_VIDEO);
-#else
-
- if (display)
- XCloseDisplay(display);
-#endif
}
-inline void InitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window,
- int width, int height, int depth,
- boolean fullscreen)
+void InitVideoBuffer(int width, int height, int depth, boolean fullscreen)
{
video.width = width;
video.height = height;
video.depth = GetRealDepth(depth);
+
+ video.screen_width = width;
+ video.screen_height = height;
+ video.screen_xoffset = 0;
+ video.screen_yoffset = 0;
+
video.fullscreen_available = FULLSCREEN_STATUS;
video.fullscreen_enabled = FALSE;
-#ifdef TARGET_SDL
- SDLInitVideoBuffer(backbuffer, window, fullscreen);
-#else
- X11InitVideoBuffer(backbuffer, window);
-#endif
+ video.window_scaling_available = WINDOW_SCALING_STATUS;
+
+ video.frame_delay = 0;
+ video.frame_delay_value = GAME_FRAME_DELAY;
+
+ video.shifted_up = FALSE;
+ video.shifted_up_pos = 0;
+ video.shifted_up_pos_last = 0;
+ video.shifted_up_delay = 0;
+ video.shifted_up_delay_value = ONE_SECOND_DELAY / 4;
+
+ SDLInitVideoBuffer(fullscreen);
+
+ video.initialized = TRUE;
+
+ drawto = backbuffer;
}
-inline Bitmap *CreateBitmapStruct(void)
+inline static void FreeBitmapPointers(Bitmap *bitmap)
{
-#ifdef TARGET_SDL
- return checked_calloc(sizeof(struct SDLSurfaceInfo));
-#else
- return checked_calloc(sizeof(struct X11DrawableInfo));
-#endif
+ if (bitmap == NULL)
+ return;
+
+ SDLFreeBitmapPointers(bitmap);
+
+ checked_free(bitmap->source_filename);
+ bitmap->source_filename = NULL;
+}
+
+inline static void TransferBitmapPointers(Bitmap *src_bitmap,
+ Bitmap *dst_bitmap)
+{
+ if (src_bitmap == NULL || dst_bitmap == NULL)
+ return;
+
+ FreeBitmapPointers(dst_bitmap);
+
+ *dst_bitmap = *src_bitmap;
}
-inline Bitmap *CreateBitmap(int width, int height, int depth)
+void FreeBitmap(Bitmap *bitmap)
+{
+ if (bitmap == NULL)
+ return;
+
+ FreeBitmapPointers(bitmap);
+
+ free(bitmap);
+}
+
+Bitmap *CreateBitmapStruct(void)
+{
+ return checked_calloc(sizeof(Bitmap));
+}
+
+Bitmap *CreateBitmap(int width, int height, int depth)
{
Bitmap *new_bitmap = CreateBitmapStruct();
- int real_depth = GetRealDepth(depth);
+ int real_width = MAX(1, width); /* prevent zero bitmap width */
+ int real_height = MAX(1, height); /* prevent zero bitmap height */
+ int real_depth = GetRealDepth(depth);
-#ifdef TARGET_SDL
- SDL_Surface *surface_tmp, *surface_native;
+ SDLCreateBitmapContent(new_bitmap, real_width, real_height, real_depth);
- 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 = real_width;
+ new_bitmap->height = real_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);
+void ReCreateBitmap(Bitmap **bitmap, int width, int height)
+{
+ if (*bitmap != NULL)
+ {
+ /* if new bitmap size fits into old one, no need to re-create it */
+ if (width <= (*bitmap)->width &&
+ height <= (*bitmap)->height)
+ return;
+
+ /* else adjust size so that old and new bitmap size fit into it */
+ width = MAX(width, (*bitmap)->width);
+ height = MAX(height, (*bitmap)->height);
+ }
- new_bitmap->surface = surface_native;
-#else
- Pixmap pixmap;
+ Bitmap *new_bitmap = CreateBitmap(width, height, DEFAULT_DEPTH);
- if ((pixmap = XCreatePixmap(display, window->drawable,
- width, height, real_depth))
- == None)
- Error(ERR_EXIT, "cannot create pixmap");
+ if (*bitmap == NULL)
+ {
+ *bitmap = new_bitmap;
+ }
+ else
+ {
+ TransferBitmapPointers(new_bitmap, *bitmap);
+ free(new_bitmap);
+ }
+}
- new_bitmap->drawable = pixmap;
+void CloseWindow(DrawWindow *window)
+{
+}
+
+void SetRedrawMaskFromArea(int x, int y, int width, int height)
+{
+ int x1 = x;
+ int y1 = y;
+ int x2 = x + width - 1;
+ int y2 = y + height - 1;
- if (window == NULL)
- Error(ERR_EXIT, "Window GC needed for Bitmap -- create Window first");
+ if (width == 0 || height == 0)
+ return;
- new_bitmap->gc = window->gc;
+ if (IN_GFX_FIELD_FULL(x1, y1) && IN_GFX_FIELD_FULL(x2, y2))
+ redraw_mask |= REDRAW_FIELD;
+ else if (IN_GFX_DOOR_1(x1, y1) && IN_GFX_DOOR_1(x2, y2))
+ redraw_mask |= REDRAW_DOOR_1;
+ else if (IN_GFX_DOOR_2(x1, y1) && IN_GFX_DOOR_2(x2, y2))
+ redraw_mask |= REDRAW_DOOR_2;
+ else if (IN_GFX_DOOR_3(x1, y1) && IN_GFX_DOOR_3(x2, y2))
+ redraw_mask |= REDRAW_DOOR_3;
+ else
+ redraw_mask = REDRAW_ALL;
+}
+
+inline static 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) && IN_GFX_FIELD_FULL(x, y))
+ return TRUE;
+
+ if ((draw_mask & REDRAW_DOOR_1) && IN_GFX_DOOR_1(x, y))
+ return TRUE;
+
+ if ((draw_mask & REDRAW_DOOR_2) && IN_GFX_DOOR_2(x, y))
+ return TRUE;
+
+ if ((draw_mask & REDRAW_DOOR_3) && IN_GFX_DOOR_3(x, y))
+ return TRUE;
+
+ return FALSE;
+}
- new_bitmap->line_gc[0] = window->line_gc[0];
- new_bitmap->line_gc[1] = window->line_gc[1];
+boolean DrawingDeactivated(int x, int y, int width, int height)
+{
+ return CheckDrawingArea(x, y, width, height, gfx.draw_deactivation_mask);
+}
+
+boolean DrawingOnBackground(int x, int y)
+{
+ return (CheckDrawingArea(x, y, 1, 1, gfx.background_bitmap_mask) &&
+ CheckDrawingArea(x, y, 1, 1, gfx.draw_background_mask));
+}
+
+static boolean InClippedRectangle(Bitmap *bitmap, int *x, int *y,
+ int *width, int *height, boolean is_dest)
+{
+ int clip_x, clip_y, clip_width, clip_height;
+
+ if (gfx.clipping_enabled && is_dest) /* only clip destination bitmap */
+ {
+ clip_x = MIN(MAX(0, gfx.clip_x), bitmap->width);
+ clip_y = MIN(MAX(0, gfx.clip_y), bitmap->height);
+ clip_width = MIN(MAX(0, gfx.clip_width), bitmap->width - clip_x);
+ clip_height = MIN(MAX(0, gfx.clip_height), bitmap->height - clip_y);
+ }
+ else
+ {
+ clip_x = 0;
+ clip_y = 0;
+ clip_width = bitmap->width;
+ clip_height = bitmap->height;
+ }
+
+ /* skip if rectangle completely outside bitmap */
+
+ if (*x + *width <= clip_x ||
+ *y + *height <= clip_y ||
+ *x >= clip_x + clip_width ||
+ *y >= clip_y + clip_height)
+ return FALSE;
+
+ /* clip if rectangle overlaps bitmap */
+
+ if (*x < clip_x)
+ {
+ *width -= clip_x - *x;
+ *x = clip_x;
+ }
+ else if (*x + *width > clip_x + clip_width)
+ {
+ *width = clip_x + clip_width - *x;
+ }
+
+ if (*y < clip_y)
+ {
+ *height -= clip_y - *y;
+ *y = clip_y;
+ }
+ else if (*y + *height > clip_y + clip_height)
+ {
+ *height = clip_y + clip_height - *y;
+ }
+
+ return TRUE;
+}
+
+void BlitBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
+{
+ int dst_x_unclipped = dst_x;
+ int dst_y_unclipped = dst_y;
+
+ if (program.headless)
+ return;
+
+ if (src_bitmap == NULL || dst_bitmap == NULL)
+ return;
+
+ if (DrawingDeactivated(dst_x, dst_y, width, height))
+ return;
+
+ if (!InClippedRectangle(src_bitmap, &src_x, &src_y, &width, &height, FALSE) ||
+ !InClippedRectangle(dst_bitmap, &dst_x, &dst_y, &width, &height, TRUE))
+ return;
+
+ /* source x/y might need adjustment if destination x/y was clipped top/left */
+ src_x += dst_x - dst_x_unclipped;
+ src_y += dst_y - dst_y_unclipped;
+
+#if defined(TARGET_SDL2)
+ /* !!! 2013-12-11: An "old friend" is back. Same bug in SDL2 2.0.1 !!! */
+ /* !!! 2009-03-30: Fixed by using self-compiled, patched SDL.dll !!! */
+ /* (This bug still exists in the actual (as of 2009-06-15) version 1.2.13,
+ but is already fixed in SVN and should therefore finally be fixed with
+ the next official SDL release, which is probably version 1.2.14.) */
+ /* !!! 2009-03-24: It seems that this problem still exists in 1.2.12 !!! */
+
+ if (src_bitmap == dst_bitmap)
+ {
+ /* needed when blitting directly to same bitmap -- should not be needed with
+ recent SDL libraries, but apparently does not work in 1.2.11 directly */
+
+ static Bitmap *tmp_bitmap = NULL;
+ static int tmp_bitmap_xsize = 0;
+ static int tmp_bitmap_ysize = 0;
+
+ /* start with largest static bitmaps for initial bitmap size ... */
+ if (tmp_bitmap_xsize == 0 && tmp_bitmap_ysize == 0)
+ {
+ tmp_bitmap_xsize = MAX(gfx.win_xsize, gfx.scrollbuffer_width);
+ tmp_bitmap_ysize = MAX(gfx.win_ysize, gfx.scrollbuffer_height);
+ }
+
+ /* ... and allow for later re-adjustments due to custom artwork bitmaps */
+ if (src_bitmap->width > tmp_bitmap_xsize ||
+ src_bitmap->height > tmp_bitmap_ysize)
+ {
+ tmp_bitmap_xsize = MAX(tmp_bitmap_xsize, src_bitmap->width);
+ tmp_bitmap_ysize = MAX(tmp_bitmap_ysize, src_bitmap->height);
+
+ FreeBitmap(tmp_bitmap);
+
+ tmp_bitmap = NULL;
+ }
+
+ if (tmp_bitmap == NULL)
+ tmp_bitmap = CreateBitmap(tmp_bitmap_xsize, tmp_bitmap_ysize,
+ DEFAULT_DEPTH);
+
+ sysCopyArea(src_bitmap, tmp_bitmap,
+ src_x, src_y, width, height, dst_x, dst_y, BLIT_OPAQUE);
+ sysCopyArea(tmp_bitmap, dst_bitmap,
+ dst_x, dst_y, width, height, dst_x, dst_y, BLIT_OPAQUE);
+
+ return;
+ }
#endif
- return new_bitmap;
+ sysCopyArea(src_bitmap, dst_bitmap,
+ src_x, src_y, width, height, dst_x, dst_y, BLIT_OPAQUE);
+}
+
+void BlitBitmapTiled(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y, int src_width, int src_height,
+ int dst_x, int dst_y, int dst_width, int dst_height)
+{
+ int src_xsize = (src_width == 0 ? src_bitmap->width : src_width);
+ int src_ysize = (src_height == 0 ? src_bitmap->height : src_height);
+ int dst_xsize = dst_width;
+ int dst_ysize = dst_height;
+ int src_xsteps = (dst_xsize + src_xsize - 1) / src_xsize;
+ int src_ysteps = (dst_ysize + src_ysize - 1) / src_ysize;
+ int x, y;
+
+ for (y = 0; y < src_ysteps; y++)
+ {
+ for (x = 0; x < src_xsteps; x++)
+ {
+ int draw_x = dst_x + x * src_xsize;
+ int draw_y = dst_y + y * src_ysize;
+ int draw_xsize = MIN(src_xsize, dst_xsize - x * src_xsize);
+ int draw_ysize = MIN(src_ysize, dst_ysize - y * src_ysize);
+
+ BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, draw_xsize, draw_ysize,
+ draw_x, draw_y);
+ }
+ }
+}
+
+void FadeRectangle(int x, int y, int width, int height,
+ int fade_mode, int fade_delay, int post_delay,
+ void (*draw_border_function)(void))
+{
+ /* (use destination bitmap "backbuffer" -- "bitmap_cross" may be undefined) */
+ if (!InClippedRectangle(backbuffer, &x, &y, &width, &height, TRUE))
+ return;
+
+ SDLFadeRectangle(x, y, width, height,
+ fade_mode, fade_delay, post_delay, draw_border_function);
}
-inline static void FreeBitmapPointers(Bitmap *bitmap)
+void FillRectangle(Bitmap *bitmap, int x, int y, int width, int height,
+ Pixel color)
{
- if (bitmap == NULL)
+ if (DrawingDeactivated(x, y, width, height))
return;
-#ifdef TARGET_SDL
- if (bitmap->surface)
- SDL_FreeSurface(bitmap->surface);
- if (bitmap->surface_masked)
- SDL_FreeSurface(bitmap->surface_masked);
- bitmap->surface = NULL;
- bitmap->surface_masked = NULL;
-#else
- /* The X11 version seems to have a memory leak here -- although
- "XFreePixmap()" is called, the correspondig memory seems not
- to be freed (according to "ps"). The SDL version apparently
- does not have this problem. */
-
- 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);
- /* the other GCs are only pointers to GCs used elsewhere */
- bitmap->drawable = None;
- bitmap->clip_mask = None;
- bitmap->stored_clip_gc = None;
-#endif
+ if (!InClippedRectangle(bitmap, &x, &y, &width, &height, TRUE))
+ return;
- if (bitmap->source_filename)
- free(bitmap->source_filename);
- bitmap->source_filename = NULL;
+ sysFillRectangle(bitmap, x, y, width, height, color);
}
-inline static void TransferBitmapPointers(Bitmap *src_bitmap,
- Bitmap *dst_bitmap)
+void ClearRectangle(Bitmap *bitmap, int x, int y, int width, int height)
{
- if (src_bitmap == NULL || dst_bitmap == NULL)
- return;
-
- FreeBitmapPointers(dst_bitmap);
+ FillRectangle(bitmap, x, y, width, height, BLACK_PIXEL);
+}
- *dst_bitmap = *src_bitmap;
+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);
}
-inline void FreeBitmap(Bitmap *bitmap)
+void BlitBitmapMasked(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
{
- if (bitmap == NULL)
+ if (DrawingDeactivated(dst_x, dst_y, width, height))
return;
- FreeBitmapPointers(bitmap);
-
- free(bitmap);
+ sysCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y, BLIT_MASKED);
}
-inline void CloseWindow(DrawWindow *window)
+void BlitBitmapOnBackground(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
{
-#ifdef TARGET_X11
- if (window->drawable)
+ if (DrawingOnBackground(dst_x, dst_y))
{
- XUnmapWindow(display, window->drawable);
- XDestroyWindow(display, window->drawable);
+ /* draw background */
+ BlitBitmap(gfx.background_bitmap, dst_bitmap, dst_x, dst_y, width, height,
+ dst_x, dst_y);
+
+ /* draw foreground */
+ BlitBitmapMasked(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y);
}
- if (window->gc)
- XFreeGC(display, window->gc);
-#endif
+ else
+ BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y);
}
-inline boolean DrawingDeactivated(int x, int y, int width, int height)
+void BlitTexture(Bitmap *bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
{
- if (gfx.draw_deactivation_mask != REDRAW_NONE)
- {
- if ((gfx.draw_deactivation_mask & REDRAW_FIELD) &&
- x < gfx.sx + gfx.sxsize)
- return TRUE;
- else if ((gfx.draw_deactivation_mask & REDRAW_DOORS) &&
- x > gfx.dx)
- {
- if ((gfx.draw_deactivation_mask & REDRAW_DOOR_1) &&
- y < gfx.dy + gfx.dysize)
- return TRUE;
- else if ((gfx.draw_deactivation_mask & REDRAW_DOOR_2) &&
- y > gfx.vy)
- return TRUE;
- }
- }
+ if (bitmap == NULL)
+ return;
- return FALSE;
+ SDLBlitTexture(bitmap, src_x, src_y, width, height, dst_x, dst_y,
+ BLIT_OPAQUE);
}
-inline void BlitBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap,
- int src_x, int src_y,
- int width, int height,
+void BlitTextureMasked(Bitmap *bitmap,
+ int src_x, int src_y, int width, int height,
int dst_x, int dst_y)
{
- if (DrawingDeactivated(dst_x, dst_y, width, height))
+ if (bitmap == NULL)
return;
-#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
+ SDLBlitTexture(bitmap, src_x, src_y, width, height, dst_x, dst_y,
+ BLIT_MASKED);
}
-inline void ClearRectangle(Bitmap *bitmap, int x, int y, int width, int height)
+void BlitToScreen(Bitmap *bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
{
- if (DrawingDeactivated(x, y, width, height))
+ if (bitmap == NULL)
return;
-#ifdef TARGET_SDL
- SDLFillRectangle(bitmap, x, y, width, height, 0x000000);
-#else
- XFillRectangle(display, bitmap->drawable, bitmap->gc, x, y, width, height);
-#endif
+ if (video.screen_rendering_mode == SPECIAL_RENDERING_BITMAP)
+ BlitBitmap(bitmap, gfx.final_screen_bitmap, src_x, src_y,
+ width, height, dst_x, dst_y);
+ else
+ BlitTexture(bitmap, src_x, src_y, width, height, dst_x, dst_y);
}
-#if 0
-#ifndef TARGET_SDL
-static GC last_clip_gc = 0; /* needed for XCopyArea() through clip mask */
-#endif
-#endif
-
-inline void SetClipMask(Bitmap *bitmap, GC clip_gc, Pixmap clip_pixmap)
+void BlitToScreenMasked(Bitmap *bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
{
-#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
-}
+ if (bitmap == NULL)
+ return;
-inline void SetClipOrigin(Bitmap *bitmap, GC clip_gc, int clip_x, int 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
+ if (video.screen_rendering_mode == SPECIAL_RENDERING_BITMAP)
+ BlitBitmapMasked(bitmap, gfx.final_screen_bitmap, src_x, src_y,
+ width, height, dst_x, dst_y);
+ else
+ BlitTextureMasked(bitmap, src_x, src_y, width, height, dst_x, dst_y);
}
-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)
+void DrawSimpleBlackLine(Bitmap *bitmap, int from_x, int from_y,
+ int to_x, int to_y)
{
- if (DrawingDeactivated(dst_x, dst_y, width, height))
- return;
-
-#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
+ SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, BLACK_PIXEL);
}
-inline void DrawSimpleWhiteLine(Bitmap *bitmap, int from_x, int from_y,
- int to_x, int to_y)
+void DrawSimpleWhiteLine(Bitmap *bitmap, int from_x, int from_y,
+ int to_x, int to_y)
{
-#ifdef TARGET_SDL
- SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, 0xffffff);
-#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));
-#endif
+ SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, WHITE_PIXEL);
}
-#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)
+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 (x = 0; x < line_width; x++)
{
- for (y=0; y<line_width; y++)
+ for (y = 0; y < line_width; y++)
{
int dx = x - line_width / 2;
int dy = y - line_width / 2;
(x == line_width - 1 && y == line_width - 1))
continue;
-#if defined(TARGET_SDL)
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);
-#endif
}
}
}
-#endif
-inline void DrawLines(Bitmap *bitmap, struct XY *points, int num_points,
- Pixel pixel)
+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++)
+ 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 GetPixel(Bitmap *bitmap, int x, int y)
+Pixel GetPixel(Bitmap *bitmap, int x, int y)
{
-#if defined(TARGET_SDL)
- return SDLGetPixel(bitmap, x, y);
-#elif defined(TARGET_ALLEGRO)
- return AllegroGetPixel(bitmap->drawable, x, y);
-#else
- unsigned long pixel_value;
- XImage *pixel_image;
-
- pixel_image = XGetImage(display, bitmap->drawable, x, y, 1, 1,
- AllPlanes, ZPixmap);
- pixel_value = XGetPixel(pixel_image, 0, 0);
-
- XDestroyImage(pixel_image);
+ if (x < 0 || x >= bitmap->width ||
+ y < 0 || y >= bitmap->height)
+ return BLACK_PIXEL;
- return pixel_value;
-#endif
+ return SDLGetPixel(bitmap, x, y);
}
-inline Pixel GetPixelFromRGB(Bitmap *bitmap, unsigned int color_r,
- unsigned int color_g, unsigned int color_b)
+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_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;
-#endif
-
- return pixel;
+ return SDL_MapRGB(bitmap->surface->format, color_r, color_g, color_b);
}
-inline Pixel GetPixelFromRGBcompact(Bitmap *bitmap, unsigned int color)
+Pixel GetPixelFromRGBcompact(Bitmap *bitmap, unsigned int color)
{
unsigned int color_r = (color >> 16) & 0xff;
unsigned int color_g = (color >> 8) & 0xff;
return GetPixelFromRGB(bitmap, color_r, color_g, color_b);
}
-/* execute all pending screen drawing operations */
-inline void FlushDisplay(void)
-{
-#ifndef TARGET_SDL
- XFlush(display);
-#endif
-}
-
-/* execute and wait for all pending screen drawing operations */
-inline void SyncDisplay(void)
-{
-#ifndef TARGET_SDL
- XSync(display, FALSE);
-#endif
-}
-
-inline void KeyboardAutoRepeatOn(void)
+void KeyboardAutoRepeatOn(void)
{
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL2)
+ keyrepeat_status = TRUE;
+#else
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY / 2,
SDL_DEFAULT_REPEAT_INTERVAL / 2);
SDL_EnableUNICODE(1);
-#else
- if (display)
- XAutoRepeatOn(display);
#endif
}
-inline void KeyboardAutoRepeatOff(void)
+void KeyboardAutoRepeatOff(void)
{
-#ifdef TARGET_SDL
+#if defined(TARGET_SDL2)
+ keyrepeat_status = FALSE;
+#else
SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL);
SDL_EnableUNICODE(0);
-#else
- if (display)
- XAutoRepeatOff(display);
#endif
}
-inline boolean PointerInWindow(DrawWindow *window)
+boolean SetVideoMode(boolean fullscreen)
{
-#ifdef TARGET_SDL
- return TRUE;
-#else
- 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->drawable, &root, &child,
- &root_x, &root_y, &win_x, &win_y, &mask);
-#endif
+ return SDLSetVideoMode(fullscreen);
}
-inline boolean SetVideoMode(boolean fullscreen)
+void SetVideoFrameDelay(unsigned int frame_delay_value)
{
-#ifdef TARGET_SDL
- return SDLSetVideoMode(&backbuffer, fullscreen);
-#else
- boolean success = TRUE;
-
- if (fullscreen && video.fullscreen_available)
- {
- Error(ERR_WARN, "fullscreen not available in X11 version");
-
- /* display error message only once */
- video.fullscreen_available = FALSE;
-
- success = FALSE;
- }
+ video.frame_delay_value = frame_delay_value;
+}
- return success;
-#endif
+unsigned int GetVideoFrameDelay()
+{
+ return video.frame_delay_value;
}
-inline boolean ChangeVideoModeIfNeeded(boolean fullscreen)
+boolean ChangeVideoModeIfNeeded(boolean fullscreen)
{
-#ifdef TARGET_SDL
if ((fullscreen && !video.fullscreen_enabled && video.fullscreen_available)||
(!fullscreen && video.fullscreen_enabled))
fullscreen = SetVideoMode(fullscreen);
-#endif
return fullscreen;
}
{
Bitmap *new_bitmap;
-#if defined(TARGET_SDL)
new_bitmap = SDLLoadImage(filename);
-#else
- new_bitmap = X11LoadImage(filename);
-#endif
if (new_bitmap)
new_bitmap->source_filename = getStringCopy(filename);
Error(ERR_EXIT, "LoadCustomImage(): cannot find file '%s'", basename);
if ((new_bitmap = LoadImage(filename)) == NULL)
- Error(ERR_EXIT, "LoadImage() failed: %s", GetError());
+ Error(ERR_EXIT, "LoadImage('%s') failed: %s", basename, GetError());
return new_bitmap;
}
return;
}
- if (strcmp(filename, bitmap->source_filename) == 0)
+ if (strEqual(filename, bitmap->source_filename))
{
/* 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
if ((new_bitmap = LoadImage(filename)) == NULL)
{
- Error(ERR_WARN, "LoadImage() failed: %s", GetError());
+ Error(ERR_WARN, "LoadImage('%s') failed: %s", basename, GetError());
return;
}
if (bitmap->width != new_bitmap->width ||
bitmap->height != new_bitmap->height)
{
- Error(ERR_WARN, "ReloadCustomImage: new image has wrong dimensions");
+ Error(ERR_WARN, "ReloadCustomImage: new image '%s' has wrong dimensions",
+ filename);
FreeBitmap(new_bitmap);
return;
}
free(new_bitmap);
}
+static Bitmap *ZoomBitmap(Bitmap *src_bitmap, int zoom_width, int zoom_height)
+{
+ return SDLZoomBitmap(src_bitmap, zoom_width, zoom_height);
+}
+
+void ReCreateGameTileSizeBitmap(Bitmap **bitmaps)
+{
+ if (bitmaps[IMG_BITMAP_CUSTOM])
+ {
+ FreeBitmap(bitmaps[IMG_BITMAP_CUSTOM]);
+
+ bitmaps[IMG_BITMAP_CUSTOM] = NULL;
+ }
+
+ if (gfx.game_tile_size == gfx.standard_tile_size)
+ {
+ bitmaps[IMG_BITMAP_GAME] = bitmaps[IMG_BITMAP_STANDARD];
+
+ return;
+ }
+
+ Bitmap *bitmap = bitmaps[IMG_BITMAP_STANDARD];
+ int width = bitmap->width * gfx.game_tile_size / gfx.standard_tile_size;;
+ int height = bitmap->height * gfx.game_tile_size / gfx.standard_tile_size;;
+
+ Bitmap *bitmap_new = ZoomBitmap(bitmap, width, height);
+
+ bitmaps[IMG_BITMAP_CUSTOM] = bitmap_new;
+ bitmaps[IMG_BITMAP_GAME] = bitmap_new;
+}
+
+static void CreateScaledBitmaps(Bitmap **bitmaps, int zoom_factor,
+ int tile_size, boolean create_small_bitmaps)
+{
+ Bitmap *old_bitmap = bitmaps[IMG_BITMAP_STANDARD];
+ Bitmap *tmp_bitmap_final = NULL;
+ Bitmap *tmp_bitmap_0 = NULL;
+ Bitmap *tmp_bitmap_1 = NULL;
+ Bitmap *tmp_bitmap_2 = NULL;
+ Bitmap *tmp_bitmap_4 = NULL;
+ Bitmap *tmp_bitmap_8 = NULL;
+ Bitmap *tmp_bitmap_16 = NULL;
+ Bitmap *tmp_bitmap_32 = NULL;
+ int width_final, height_final;
+ int width_0, height_0;
+ int width_1, height_1;
+ int width_2, height_2;
+ int width_4, height_4;
+ int width_8, height_8;
+ int width_16, height_16;
+ int width_32, height_32;
+ int old_width, old_height;
+ int i;
+
+ print_timestamp_init("CreateScaledBitmaps");
+
+ old_width = old_bitmap->width;
+ old_height = old_bitmap->height;
+
+ /* calculate new image dimensions for final image size */
+ width_final = old_width * zoom_factor;
+ height_final = old_height * zoom_factor;
+
+ /* get image with final size (this might require scaling up) */
+ /* ("final" size may result in non-standard tile size image) */
+ if (zoom_factor != 1)
+ tmp_bitmap_final = ZoomBitmap(old_bitmap, width_final, height_final);
+ else
+ tmp_bitmap_final = old_bitmap;
+
+ UPDATE_BUSY_STATE();
+
+ width_0 = width_1 = width_final;
+ height_0 = height_1 = height_final;
+
+ tmp_bitmap_0 = tmp_bitmap_1 = tmp_bitmap_final;
+
+ if (create_small_bitmaps)
+ {
+ /* check if we have a non-gameplay tile size image */
+ if (tile_size != gfx.game_tile_size)
+ {
+ /* get image with gameplay tile size */
+ width_0 = width_final * gfx.game_tile_size / tile_size;
+ height_0 = height_final * gfx.game_tile_size / tile_size;
+
+ if (width_0 == old_width)
+ tmp_bitmap_0 = old_bitmap;
+ else if (width_0 == width_final)
+ tmp_bitmap_0 = tmp_bitmap_final;
+ else
+ tmp_bitmap_0 = ZoomBitmap(old_bitmap, width_0, height_0);
+
+ UPDATE_BUSY_STATE();
+ }
+
+ /* check if we have a non-standard tile size image */
+ if (tile_size != gfx.standard_tile_size)
+ {
+ /* get image with standard tile size */
+ width_1 = width_final * gfx.standard_tile_size / tile_size;
+ height_1 = height_final * gfx.standard_tile_size / tile_size;
+
+ if (width_1 == old_width)
+ tmp_bitmap_1 = old_bitmap;
+ else if (width_1 == width_final)
+ tmp_bitmap_1 = tmp_bitmap_final;
+ else if (width_1 == width_0)
+ tmp_bitmap_1 = tmp_bitmap_0;
+ else
+ tmp_bitmap_1 = ZoomBitmap(old_bitmap, width_1, height_1);
+
+ UPDATE_BUSY_STATE();
+ }
+
+ /* calculate new image dimensions for small images */
+ width_2 = width_1 / 2;
+ height_2 = height_1 / 2;
+ width_4 = width_1 / 4;
+ height_4 = height_1 / 4;
+ width_8 = width_1 / 8;
+ height_8 = height_1 / 8;
+ width_16 = width_1 / 16;
+ height_16 = height_1 / 16;
+ width_32 = width_1 / 32;
+ height_32 = height_1 / 32;
+
+ /* get image with 1/2 of normal size (for use in the level editor) */
+ if (width_2 == old_width)
+ tmp_bitmap_2 = old_bitmap;
+ else
+ tmp_bitmap_2 = ZoomBitmap(tmp_bitmap_1, width_2, height_2);
+
+ UPDATE_BUSY_STATE();
+
+ /* get image with 1/4 of normal size (for use in the level editor) */
+ if (width_4 == old_width)
+ tmp_bitmap_4 = old_bitmap;
+ else
+ tmp_bitmap_4 = ZoomBitmap(tmp_bitmap_2, width_4, height_4);
+
+ UPDATE_BUSY_STATE();
+
+ /* get image with 1/8 of normal size (for use on the preview screen) */
+ if (width_8 == old_width)
+ tmp_bitmap_8 = old_bitmap;
+ else
+ tmp_bitmap_8 = ZoomBitmap(tmp_bitmap_4, width_8, height_8);
+
+ UPDATE_BUSY_STATE();
+
+ /* get image with 1/16 of normal size (for use on the preview screen) */
+ if (width_16 == old_width)
+ tmp_bitmap_16 = old_bitmap;
+ else
+ tmp_bitmap_16 = ZoomBitmap(tmp_bitmap_8, width_16, height_16);
+
+ UPDATE_BUSY_STATE();
+
+ /* get image with 1/32 of normal size (for use on the preview screen) */
+ if (width_32 == old_width)
+ tmp_bitmap_32 = old_bitmap;
+ else
+ tmp_bitmap_32 = ZoomBitmap(tmp_bitmap_16, width_32, height_32);
+
+ UPDATE_BUSY_STATE();
+
+ bitmaps[IMG_BITMAP_32x32] = tmp_bitmap_1;
+ bitmaps[IMG_BITMAP_16x16] = tmp_bitmap_2;
+ bitmaps[IMG_BITMAP_8x8] = tmp_bitmap_4;
+ bitmaps[IMG_BITMAP_4x4] = tmp_bitmap_8;
+ bitmaps[IMG_BITMAP_2x2] = tmp_bitmap_16;
+ bitmaps[IMG_BITMAP_1x1] = tmp_bitmap_32;
+
+ if (width_0 != width_1)
+ bitmaps[IMG_BITMAP_CUSTOM] = tmp_bitmap_0;
+
+ if (bitmaps[IMG_BITMAP_CUSTOM])
+ bitmaps[IMG_BITMAP_GAME] = bitmaps[IMG_BITMAP_CUSTOM];
+ else
+ bitmaps[IMG_BITMAP_GAME] = bitmaps[IMG_BITMAP_STANDARD];
+
+ boolean free_old_bitmap = TRUE;
+
+ for (i = 0; i < NUM_IMG_BITMAPS; i++)
+ if (bitmaps[i] == old_bitmap)
+ free_old_bitmap = FALSE;
+
+ if (free_old_bitmap)
+ FreeBitmap(old_bitmap);
+ }
+ else
+ {
+ bitmaps[IMG_BITMAP_32x32] = tmp_bitmap_1;
+ }
+
+ UPDATE_BUSY_STATE();
+
+ print_timestamp_done("CreateScaledBitmaps");
+}
+
+void CreateBitmapWithSmallBitmaps(Bitmap **bitmaps, int zoom_factor,
+ int tile_size)
+{
+ CreateScaledBitmaps(bitmaps, zoom_factor, tile_size, TRUE);
+}
+
+void CreateBitmapTextures(Bitmap **bitmaps)
+{
+ SDLCreateBitmapTextures(bitmaps[IMG_BITMAP_STANDARD]);
+}
+
+void FreeBitmapTextures(Bitmap **bitmaps)
+{
+ SDLFreeBitmapTextures(bitmaps[IMG_BITMAP_STANDARD]);
+}
+
+void ScaleBitmap(Bitmap **bitmaps, int zoom_factor)
+{
+ CreateScaledBitmaps(bitmaps, zoom_factor, 0, FALSE);
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* mouse pointer functions */
+/* ------------------------------------------------------------------------- */
+
+#define USE_ONE_PIXEL_PLAYFIELD_MOUSEPOINTER 0
+
+/* XPM image definitions */
+static const char *cursor_image_none[] =
+{
+ /* width height num_colors chars_per_pixel */
+ " 16 16 3 1",
+
+ /* colors */
+ "X c #000000",
+ ". c #ffffff",
+ " c None",
+
+ /* pixels */
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+
+ /* hot spot */
+ "0,0"
+};
+
+#if USE_ONE_PIXEL_PLAYFIELD_MOUSEPOINTER
+static const char *cursor_image_dot[] =
+{
+ /* 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"
+};
+static const char **cursor_image_playfield = cursor_image_dot;
+#else
+/* some people complained about a "white dot" on the screen and thought it
+ was a graphical error... OK, let's just remove the whole pointer :-) */
+static const char **cursor_image_playfield = cursor_image_none;
+#endif
+
+static const int cursor_bit_order = BIT_ORDER_MSB;
+
+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;
+}
+
+void SetMouseCursor(int mode)
+{
+ static struct MouseCursorInfo *cursor_none = NULL;
+ static struct MouseCursorInfo *cursor_playfield = NULL;
+ struct MouseCursorInfo *cursor_new;
+
+ if (cursor_none == NULL)
+ cursor_none = get_cursor_from_image(cursor_image_none);
+
+ if (cursor_playfield == NULL)
+ cursor_playfield = get_cursor_from_image(cursor_image_playfield);
+
+ cursor_new = (mode == CURSOR_DEFAULT ? NULL :
+ mode == CURSOR_NONE ? cursor_none :
+ mode == CURSOR_PLAYFIELD ? cursor_playfield : NULL);
+
+ SDLSetMouseCursor(cursor_new);
+
+ gfx.cursor_mode = mode;
+}
+
/* ========================================================================= */
/* audio functions */
/* ========================================================================= */
-inline void OpenAudio(void)
+void OpenAudio(void)
{
/* always start with reliable default values */
audio.sound_available = FALSE;
audio.sound_enabled = FALSE;
audio.sound_deactivated = FALSE;
- audio.soundserver_pipe[0] = audio.soundserver_pipe[1] = 0;
- audio.soundserver_pid = -1;
+ 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.first_sound_channel = 0;
-#if defined(TARGET_SDL)
SDLOpenAudio();
-#elif defined(PLATFORM_UNIX)
- UnixOpenAudio();
-#elif defined(PLATFORM_MSDOS)
- MSDOSOpenAudio();
-#endif
}
-inline void CloseAudio(void)
+void CloseAudio(void)
{
-#if defined(TARGET_SDL)
SDLCloseAudio();
-#elif defined(PLATFORM_UNIX)
- UnixCloseAudio();
-#elif defined(PLATFORM_MSDOS)
- MSDOSCloseAudio();
-#endif
audio.sound_enabled = FALSE;
}
-inline void SetAudioMode(boolean enabled)
+void SetAudioMode(boolean enabled)
{
if (!audio.sound_available)
return;
audio.sound_enabled = enabled;
}
-#if 0
-inline void SetAudioReloadFunctions(void (*func_reload_sounds)(void),
- void (*func_reload_music)(void))
-{
- audio.func_reload_sounds = func_reload_sounds;
- audio.func_reload_music = func_reload_music;
-}
-#endif
-
/* ========================================================================= */
/* event functions */
/* ========================================================================= */
-inline void InitEventFilter(EventFilter filter_function)
+boolean PendingEvent(void)
{
-#ifdef TARGET_SDL
- /* set event filter to filter out certain events */
- SDL_SetEventFilter(filter_function);
-#endif
+ return (SDL_PollEvent(NULL) ? TRUE : FALSE);
}
-inline boolean PendingEvent(void)
+void WaitEvent(Event *event)
{
-#ifdef TARGET_SDL
- return (SDL_PollEvent(NULL) ? TRUE : FALSE);
-#else
- return (XPending(display) ? TRUE : FALSE);
-#endif
+ SDLWaitEvent(event);
}
-inline void NextEvent(Event *event)
+void PeekEvent(Event *event)
{
-#ifdef TARGET_SDL
- SDLNextEvent(event);
+#if defined(TARGET_SDL2)
+ SDL_PeepEvents(event, 1, SDL_PEEKEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT);
#else
- XNextEvent(display, event);
+ SDL_PeepEvents(event, 1, SDL_PEEKEVENT, SDL_ALLEVENTS);
#endif
}
-inline Key GetEventKey(KeyEvent *event, boolean with_modifiers)
+void CheckQuitEvent(void)
{
-#ifdef TARGET_SDL
-#if 0
+ if (SDL_QuitRequested())
+ program.exit_function(0);
+}
+
+Key GetEventKey(KeyEvent *event, boolean with_modifiers)
+{
+#if defined(TARGET_SDL2)
+ /* key up/down events in SDL2 do not return text characters anymore */
+ return event->keysym.sym;
+#else
+
+#if ENABLE_UNUSED_CODE
printf("unicode == '%d', sym == '%d', mod == '0x%04x'\n",
(int)event->keysym.unicode,
(int)event->keysym.sym,
(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;
-#else
-#if 0
- printf("with modifiers == '0x%04x', without modifiers == '0x%04x'\n",
- (int)XLookupKeysym(event, event->state),
- (int)XLookupKeysym(event, 0));
+
#endif
+}
- if (with_modifiers)
- return XLookupKeysym(event, event->state);
- else
- return XLookupKeysym(event, 0);
+KeyMod HandleKeyModState(Key key, int key_status)
+{
+ static KeyMod current_modifiers = KMOD_None;
+
+ 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;
+ }
+
+ return current_modifiers;
+}
+
+KeyMod GetKeyModState()
+{
+ return (KeyMod)SDL_GetModState();
+}
+
+KeyMod GetKeyModStateFromEvents()
+{
+ /* always use key modifier state as tracked from key events (this is needed
+ if the modifier key event was injected into the event queue, but the key
+ was not really pressed on keyboard -- SDL_GetModState() seems to directly
+ query the keys as held pressed on the keyboard) -- this case is currently
+ only used to filter out clipboard insert events from "True X-Mouse" tool */
+
+ return HandleKeyModState(KSYM_UNDEFINED, 0);
+}
+
+void StartTextInput(int x, int y, int width, int height)
+{
+#if defined(TARGET_SDL2)
+#if defined(HAS_SCREEN_KEYBOARD)
+ SDL_StartTextInput();
+
+ if (y + height > SCREEN_KEYBOARD_POS(video.height))
+ {
+ video.shifted_up_pos = y + height - SCREEN_KEYBOARD_POS(video.height);
+ video.shifted_up_delay = SDL_GetTicks();
+ video.shifted_up = TRUE;
+ }
+#endif
+#endif
+}
+
+void StopTextInput()
+{
+#if defined(TARGET_SDL2)
+#if defined(HAS_SCREEN_KEYBOARD)
+ SDL_StopTextInput();
+
+ if (video.shifted_up)
+ {
+ video.shifted_up_pos = 0;
+ video.shifted_up_delay = SDL_GetTicks();
+ video.shifted_up = FALSE;
+ }
+#endif
#endif
}
-inline boolean CheckCloseWindowEvent(ClientMessageEvent *event)
+boolean CheckCloseWindowEvent(ClientMessageEvent *event)
{
if (event->type != EVENT_CLIENTMESSAGE)
return FALSE;
-#if defined(TARGET_SDL)
return TRUE; /* the only possible message here is SDL_QUIT */
-#elif defined(PLATFORM_UNIX)
- if ((event->window == window->drawable) &&
- (event->data.l[0] == XInternAtom(display, "WM_DELETE_WINDOW", FALSE)))
- return TRUE;
-#endif
-
- return FALSE;
}
/* joystick functions */
/* ========================================================================= */
-inline void InitJoysticks()
+void InitJoysticks()
{
int i;
-#ifdef NO_JOYSTICK
+#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 */
+ for (i = 0; i < MAX_PLAYERS; i++)
+ joystick.nr[i] = -1; /* no joystick configured */
-#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)
+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
+}
+
+boolean CheckJoystickOpened(int nr)
+{
+ return SDLCheckJoystickOpened(nr);
+}
+
+void ClearJoystickState()
+{
+ SDLClearJoystickState();
}