// (c) 1995-2014 by Artsoft Entertainment
// Holger Schemel
// info@artsoft.org
-// http://www.artsoft.org/
+// https://www.artsoft.org/
// ----------------------------------------------------------------------------
// system.c
// ============================================================================
#include "joystick.h"
#include "misc.h"
-#define ENABLE_UNUSED_CODE 0 /* currently unused functions */
+#define ENABLE_UNUSED_CODE 0 // currently unused functions
-/* ========================================================================= */
-/* exported variables */
-/* ========================================================================= */
+// ============================================================================
+// exported variables
+// ============================================================================
struct ProgramInfo program;
+struct NetworkInfo network;
+struct RuntimeInfo runtime;
struct OptionInfo options;
struct VideoSystemInfo video;
struct AudioSystemInfo audio;
struct GfxInfo gfx;
+struct TileCursorInfo tile_cursor;
+struct OverlayInfo overlay;
struct ArtworkInfo artwork;
struct JoystickInfo joystick;
struct SetupInfo setup;
+struct UserInfo user;
LevelDirTree *leveldir_first_all = NULL;
LevelDirTree *leveldir_first = NULL;
LevelDirTree *leveldir_current = NULL;
int level_nr;
+struct LevelSetInfo levelset;
struct LevelStats level_stats[MAX_LEVELS];
DrawWindow *window = NULL;
int button_status = MB_NOT_PRESSED;
boolean motion_status = FALSE;
-#if defined(TARGET_SDL2)
+int wheel_steps = DEFAULT_WHEEL_STEPS;
boolean keyrepeat_status = TRUE;
-#endif
+boolean textinput_status = FALSE;
int redraw_mask = REDRAW_NONE;
int FrameCounter = 0;
-/* ========================================================================= */
-/* init/close functions */
-/* ========================================================================= */
+// ============================================================================
+// init/close functions
+// ============================================================================
void InitProgramInfo(char *argv0, char *config_filename, char *userdata_subdir,
char *program_title, char *icon_title,
char *icon_filename, char *cookie_prefix,
- int program_version)
+ 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.userdata_path = getMainUserGameDataDir();
program.program_title = program_title;
program.window_title = "(undefined)";
program.cookie_prefix = cookie_prefix;
+ program.version_super = VERSION_SUPER(program_version);
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 InitNetworkInfo(boolean enabled, boolean connected, boolean serveronly,
+ char *server_host, int server_port)
+{
+ network.enabled = enabled;
+ network.connected = connected;
+ network.serveronly = serveronly;
+
+ network.server_host = server_host;
+ network.server_port = server_port;
+
+ network.server_thread = NULL;
+ network.is_server_thread = FALSE;
+}
+
+void InitRuntimeInfo()
+{
+#if defined(HAS_TOUCH_DEVICE)
+ runtime.uses_touch_device = TRUE;
+#else
+ runtime.uses_touch_device = FALSE;
+#endif
+
+ runtime.use_api_server = setup.use_api_server;
}
-void SetWindowTitle()
+void SetWindowTitle(void)
{
program.window_title = program.window_title_function();
{
program.exit_function = exit_function;
- /* set signal handlers to custom exit function */
+ // set signal handlers to custom exit function
// signal(SIGINT, exit_function);
signal(SIGTERM, exit_function);
- /* set exit function to automatically cleanup SDL stuff after exit() */
+ // set exit function to automatically cleanup SDL stuff after exit()
atexit(SDL_Quit);
}
void InitPlatformDependentStuff(void)
{
+ InitEmscriptenFilesystem();
+
// this is initialized in GetOptions(), but may already be used before
options.verbose = TRUE;
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
+ int sdl_init_flags = SDL_INIT_EVENTS | SDL_INIT_NOPARACHUTE;
if (SDL_Init(sdl_init_flags) < 0)
- Error(ERR_EXIT, "SDL_Init() failed: %s", SDL_GetError());
+ Fail("SDL_Init() failed: %s", SDL_GetError());
SDLNet_Init();
}
gfx.field_save_buffer = field_save_buffer;
- SetDrawDeactivationMask(REDRAW_NONE); /* do not deactivate drawing */
- SetDrawBackgroundMask(REDRAW_NONE); /* deactivate masked drawing */
+ SetDrawDeactivationMask(REDRAW_NONE); // do not deactivate drawing
+ SetDrawBackgroundMask(REDRAW_NONE); // deactivate masked drawing
}
void InitGfxTileSizeInfo(int game_tile_size, int standard_tile_size)
void InitGfxWindowInfo(int win_xsize, int win_ysize)
{
- gfx.win_xsize = win_xsize;
- gfx.win_ysize = win_ysize;
+ if (win_xsize != gfx.win_xsize || win_ysize != gfx.win_ysize)
+ {
+ ReCreateBitmap(&gfx.background_bitmap, win_xsize, win_ysize);
- gfx.background_bitmap_mask = REDRAW_NONE;
+ ReCreateBitmap(&gfx.final_screen_bitmap, win_xsize, win_ysize);
- ReCreateBitmap(&gfx.background_bitmap, win_xsize, win_ysize, DEFAULT_DEPTH);
+ 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);
-#if defined(TARGET_SDL2)
- ReCreateBitmap(&gfx.final_screen_bitmap, win_xsize, win_ysize, DEFAULT_DEPTH);
-#endif
+ ClearRectangle(gfx.fade_bitmap_black, 0, 0, win_xsize, win_ysize);
+ }
- ReCreateBitmap(&gfx.fade_bitmap_backup, win_xsize, win_ysize, DEFAULT_DEPTH);
- ReCreateBitmap(&gfx.fade_bitmap_source, win_xsize, win_ysize, DEFAULT_DEPTH);
- ReCreateBitmap(&gfx.fade_bitmap_target, win_xsize, win_ysize, DEFAULT_DEPTH);
- ReCreateBitmap(&gfx.fade_bitmap_black, win_xsize, win_ysize, DEFAULT_DEPTH);
+ gfx.win_xsize = win_xsize;
+ gfx.win_ysize = win_ysize;
- ClearRectangle(gfx.fade_bitmap_black, 0, 0, win_xsize, 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 */
+ // 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;
}
gfx.draw_global_border_function = draw_global_border_function;
}
-void InitGfxCustomArtworkInfo()
+void InitGfxDrawTileCursorFunction(void (*draw_tile_cursor_function)(int))
+{
+ gfx.draw_tile_cursor_function = draw_tile_cursor_function;
+}
+
+void InitGfxCustomArtworkInfo(void)
{
gfx.override_level_graphics = FALSE;
gfx.override_level_sounds = FALSE;
gfx.draw_init_text = TRUE;
}
-void InitGfxOtherSettings()
+void InitGfxOtherSettings(void)
{
gfx.cursor_mode = CURSOR_DEFAULT;
+ gfx.cursor_mode_override = CURSOR_UNDEFINED;
+ gfx.cursor_mode_final = gfx.cursor_mode;
+
+ // prevent initially displaying custom mouse cursor in upper left corner
+ gfx.mouse_x = POS_OFFSCREEN;
+ gfx.mouse_y = POS_OFFSCREEN;
+}
+
+void InitTileCursorInfo(void)
+{
+ tile_cursor.enabled = FALSE;
+ tile_cursor.active = FALSE;
+ tile_cursor.moving = FALSE;
+
+ tile_cursor.xpos = 0;
+ tile_cursor.ypos = 0;
+ tile_cursor.x = 0;
+ tile_cursor.y = 0;
+ tile_cursor.target_x = 0;
+ tile_cursor.target_y = 0;
+
+ tile_cursor.sx = 0;
+ tile_cursor.sy = 0;
+
+ tile_cursor.xsn_debug = FALSE;
+}
+
+void InitOverlayInfo(void)
+{
+ overlay.enabled = FALSE;
+ overlay.active = FALSE;
+
+ overlay.show_grid = FALSE;
+
+ overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
+ overlay.grid_button_action = JOY_NO_ACTION;
+
+ SetOverlayGridSizeAndButtons();
+
+#if defined(USE_TOUCH_INPUT_OVERLAY)
+ if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
+ overlay.enabled = TRUE;
+#endif
+}
+
+void SetOverlayGridSizeAndButtons(void)
+{
+ int nr = GRID_ACTIVE_NR();
+ int x, y;
+
+ overlay.grid_xsize = setup.touch.grid_xsize[nr];
+ overlay.grid_ysize = setup.touch.grid_ysize[nr];
+
+ for (x = 0; x < MAX_GRID_XSIZE; x++)
+ for (y = 0; y < MAX_GRID_YSIZE; y++)
+ overlay.grid_button[x][y] = setup.touch.grid_button[nr][x][y];
+}
+
+void SetTileCursorEnabled(boolean enabled)
+{
+ tile_cursor.enabled = enabled;
+}
+
+void SetTileCursorActive(boolean active)
+{
+ tile_cursor.active = active;
+}
+
+void SetTileCursorTargetXY(int x, int y)
+{
+ // delayed placement of tile selection cursor at target position
+ // (tile cursor will be moved to target position step by step)
+
+ tile_cursor.xpos = x;
+ tile_cursor.ypos = y;
+ tile_cursor.target_x = tile_cursor.sx + x * gfx.game_tile_size;
+ tile_cursor.target_y = tile_cursor.sy + y * gfx.game_tile_size;
+
+ tile_cursor.moving = TRUE;
+}
+
+void SetTileCursorXY(int x, int y)
+{
+ // immediate placement of tile selection cursor at target position
+
+ SetTileCursorTargetXY(x, y);
+
+ tile_cursor.x = tile_cursor.target_x;
+ tile_cursor.y = tile_cursor.target_y;
+
+ tile_cursor.moving = FALSE;
+}
+
+void SetTileCursorSXSY(int sx, int sy)
+{
+ tile_cursor.sx = sx;
+ tile_cursor.sy = sy;
+}
+
+void SetOverlayEnabled(boolean enabled)
+{
+ overlay.enabled = enabled;
+}
+
+void SetOverlayActive(boolean active)
+{
+ overlay.active = active;
+}
+
+void SetOverlayShowGrid(boolean show_grid)
+{
+ overlay.show_grid = show_grid;
+
+ SetOverlayActive(show_grid);
+
+ if (show_grid)
+ SetOverlayEnabled(TRUE);
+}
+
+boolean GetOverlayEnabled(void)
+{
+ return overlay.enabled;
+}
+
+boolean GetOverlayActive(void)
+{
+ return overlay.active;
}
void SetDrawDeactivationMask(int draw_deactivation_mask)
gfx.draw_deactivation_mask = draw_deactivation_mask;
}
+int GetDrawDeactivationMask(void)
+{
+ 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)
+static 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 */
+ if (background_bitmap_tile == NULL) // empty background requested
return;
if (mask == REDRAW_ALL)
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 !!! */
+ // 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 !!! */
+ // 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 !!! */
+ // 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 */
-/* ========================================================================= */
+// ============================================================================
+// video functions
+// ============================================================================
-inline static int GetRealDepth(int depth)
+static int GetRealDepth(int depth)
{
return (depth == DEFAULT_DEPTH ? video.default_depth : depth);
}
-inline static void sysFillRectangle(Bitmap *bitmap, int x, int y,
- int width, int height, Pixel color)
+static void sysFillRectangle(Bitmap *bitmap, int x, int y,
+ int width, int height, Pixel color)
{
SDLFillRectangle(bitmap, x, y, width, height, color);
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)
+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);
SDLLimitScreenUpdates(enable);
}
+void InitVideoDefaults(void)
+{
+ video.default_depth = 32;
+}
+
void InitVideoDisplay(void)
{
+ if (program.headless)
+ return;
+
SDLInitVideoDisplay();
+ SDLSetDisplaySize();
}
void CloseVideoDisplay(void)
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;
video.window_scaling_available = WINDOW_SCALING_STATUS;
+ video.frame_counter = 0;
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;
+ video.initialized = !program.headless;
drawto = backbuffer;
}
-inline static void FreeBitmapPointers(Bitmap *bitmap)
+static void FreeBitmapPointers(Bitmap *bitmap)
{
if (bitmap == NULL)
return;
bitmap->source_filename = NULL;
}
-inline static void TransferBitmapPointers(Bitmap *src_bitmap,
- Bitmap *dst_bitmap)
+static void TransferBitmapPointers(Bitmap *src_bitmap,
+ Bitmap *dst_bitmap)
{
if (src_bitmap == NULL || dst_bitmap == NULL)
return;
Bitmap *CreateBitmap(int width, int height, int depth)
{
Bitmap *new_bitmap = CreateBitmapStruct();
- int real_width = MAX(1, width); /* prevent zero bitmap width */
- int real_height = MAX(1, height); /* prevent zero bitmap height */
+ 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);
SDLCreateBitmapContent(new_bitmap, real_width, real_height, real_depth);
return new_bitmap;
}
-void ReCreateBitmap(Bitmap **bitmap, int width, int height, int depth)
+void ReCreateBitmap(Bitmap **bitmap, int width, int height)
{
- Bitmap *new_bitmap = CreateBitmap(width, height, depth);
+ 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);
+ }
+
+ Bitmap *new_bitmap = CreateBitmap(width, height, DEFAULT_DEPTH);
if (*bitmap == NULL)
{
}
}
-void CloseWindow(DrawWindow *window)
+#if 0
+static void CloseWindow(DrawWindow *window)
{
}
+#endif
void SetRedrawMaskFromArea(int x, int y, int width, int height)
{
redraw_mask = REDRAW_ALL;
}
-inline static boolean CheckDrawingArea(int x, int y, int width, int height,
- int draw_mask)
+static boolean CheckDrawingArea(int x, int y, int width, int height,
+ int draw_mask)
{
if (draw_mask == REDRAW_NONE)
return FALSE;
return FALSE;
}
+boolean DrawingDeactivatedField(void)
+{
+ if (program.headless)
+ return TRUE;
+
+ if (gfx.draw_deactivation_mask & REDRAW_FIELD)
+ return TRUE;
+
+ return FALSE;
+}
+
boolean DrawingDeactivated(int x, int y, int width, int height)
{
return CheckDrawingArea(x, y, width, height, gfx.draw_deactivation_mask);
{
int clip_x, clip_y, clip_width, clip_height;
- if (gfx.clipping_enabled && is_dest) /* only clip destination bitmap */
+ 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_height = bitmap->height;
}
- /* skip if rectangle completely outside bitmap */
+ // skip if rectangle completely outside bitmap
if (*x + *width <= clip_x ||
*y + *height <= clip_y ||
*y >= clip_y + clip_height)
return FALSE;
- /* clip if rectangle overlaps bitmap */
+ // clip if rectangle overlaps bitmap
if (*x < clip_x)
{
int dst_x_unclipped = dst_x;
int dst_y_unclipped = dst_y;
+ if (program.headless)
+ return;
+
if (src_bitmap == NULL || dst_bitmap == NULL)
return;
!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 */
+ // 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 !!! */
+ // !!! 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 !!! */
+ // !!! 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 */
+ // 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 ... */
+ // 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 */
+ // ... and allow for later re-adjustments due to custom artwork bitmaps
if (src_bitmap->width > tmp_bitmap_xsize ||
src_bitmap->height > tmp_bitmap_ysize)
{
return;
}
-#endif
sysCopyArea(src_bitmap, dst_bitmap,
src_x, src_y, width, height, dst_x, dst_y, BLIT_OPAQUE);
}
}
-void FadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
+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) */
+ // (use destination bitmap "backbuffer" -- "bitmap_cross" may be undefined)
if (!InClippedRectangle(backbuffer, &x, &y, &width, &height, TRUE))
return;
- SDLFadeRectangle(bitmap_cross, x, y, width, height,
+ SDLFadeRectangle(x, y, width, height,
fade_mode, fade_delay, post_delay, draw_border_function);
}
{
if (DrawingOnBackground(dst_x, dst_y))
{
- /* draw background */
+ // draw background
BlitBitmap(gfx.background_bitmap, dst_bitmap, dst_x, dst_y, width, height,
dst_x, dst_y);
- /* draw foreground */
+ // draw foreground
BlitBitmapMasked(src_bitmap, dst_bitmap, src_x, src_y, width, height,
dst_x, dst_y);
}
SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, WHITE_PIXEL);
}
-void DrawLine(Bitmap *bitmap, int from_x, int from_y,
- int to_x, int to_y, Pixel pixel, int line_width)
+static void DrawLine(Bitmap *bitmap, int from_x, int from_y,
+ int to_x, int to_y, Pixel pixel, int line_width)
{
int x, y;
+ if (program.headless)
+ return;
+
for (x = 0; x < line_width; x++)
{
for (y = 0; y < line_width; y++)
Pixel GetPixel(Bitmap *bitmap, int x, int y)
{
+ if (program.headless)
+ return BLACK_PIXEL;
+
if (x < 0 || x >= bitmap->width ||
y < 0 || y >= bitmap->height)
return BLACK_PIXEL;
Pixel GetPixelFromRGB(Bitmap *bitmap, unsigned int color_r,
unsigned int color_g, unsigned int color_b)
{
+ if (program.headless)
+ return BLACK_PIXEL;
+
return SDL_MapRGB(bitmap->surface->format, color_r, color_g, color_b);
}
void KeyboardAutoRepeatOn(void)
{
-#if defined(TARGET_SDL2)
keyrepeat_status = TRUE;
-#else
- SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY / 2,
- SDL_DEFAULT_REPEAT_INTERVAL / 2);
- SDL_EnableUNICODE(1);
-#endif
}
void KeyboardAutoRepeatOff(void)
{
-#if defined(TARGET_SDL2)
keyrepeat_status = FALSE;
-#else
- SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL);
- SDL_EnableUNICODE(0);
-#endif
}
boolean SetVideoMode(boolean fullscreen)
video.frame_delay_value = frame_delay_value;
}
-unsigned int GetVideoFrameDelay()
+unsigned int GetVideoFrameDelay(void)
{
return video.frame_delay_value;
}
Bitmap *new_bitmap;
if (filename == NULL)
- Error(ERR_EXIT, "LoadCustomImage(): cannot find file '%s'", basename);
+ Fail("LoadCustomImage(): cannot find file '%s'", basename);
if ((new_bitmap = LoadImage(filename)) == NULL)
- Error(ERR_EXIT, "LoadImage('%s') failed: %s", basename, GetError());
+ Fail("LoadImage('%s') failed", basename);
return new_bitmap;
}
char *filename = getCustomImageFilename(basename);
Bitmap *new_bitmap;
- if (filename == NULL) /* (should never happen) */
+ if (filename == NULL) // (should never happen)
{
- Error(ERR_WARN, "ReloadCustomImage(): cannot find file '%s'", basename);
+ Warn("ReloadCustomImage(): cannot find file '%s'", basename);
+
return;
}
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
- and a fallback to the existing image is done. */
+ // 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('%s') failed: %s", basename, GetError());
+ Warn("LoadImage('%s') failed", basename);
+
return;
}
if (bitmap->width != new_bitmap->width ||
bitmap->height != new_bitmap->height)
{
- Error(ERR_WARN, "ReloadCustomImage: new image '%s' has wrong dimensions",
+ Warn("ReloadCustomImage: new image '%s' has wrong dimensions",
filename);
+
FreeBitmap(new_bitmap);
+
return;
}
Bitmap *ZoomBitmap(Bitmap *src_bitmap, int zoom_width, int zoom_height)
{
- Bitmap *dst_bitmap = SDLZoomBitmap(src_bitmap, zoom_width, zoom_height);
-
- return dst_bitmap;
-}
-
-static void SetMaskedBitmapSurface(Bitmap *bitmap)
-{
- if (bitmap == NULL)
- return;
-
- SDL_Surface *surface = bitmap->surface;
-
- if (bitmap->surface_masked)
- SDL_FreeSurface(bitmap->surface_masked);
-
- SDL_SetColorKey(surface, SET_TRANSPARENT_PIXEL,
- SDL_MapRGB(surface->format, 0x00, 0x00, 0x00));
-
- if ((bitmap->surface_masked = SDLGetNativeSurface(surface)) == NULL)
- Error(ERR_EXIT, "SDL_DisplayFormat() failed");
-
- SDL_SetColorKey(surface, UNSET_TRANSPARENT_PIXEL, 0);
+ return SDLZoomBitmap(src_bitmap, zoom_width, zoom_height);
}
void ReCreateGameTileSizeBitmap(Bitmap **bitmaps)
{
if (bitmaps[IMG_BITMAP_CUSTOM])
{
- FreeBitmap(bitmaps[IMG_BITMAP_CUSTOM]);
+ // check if original sized bitmap points to custom sized bitmap
+ if (bitmaps[IMG_BITMAP_PTR_ORIGINAL] == bitmaps[IMG_BITMAP_CUSTOM])
+ {
+ SDLFreeBitmapTextures(bitmaps[IMG_BITMAP_PTR_ORIGINAL]);
+
+ // keep pointer of previous custom size bitmap
+ bitmaps[IMG_BITMAP_OTHER] = bitmaps[IMG_BITMAP_CUSTOM];
+
+ // set original bitmap pointer to scaled original bitmap of other size
+ bitmaps[IMG_BITMAP_PTR_ORIGINAL] = bitmaps[IMG_BITMAP_OTHER];
+
+ SDLCreateBitmapTextures(bitmaps[IMG_BITMAP_PTR_ORIGINAL]);
+ }
+ else
+ {
+ 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];
+ // set game bitmap pointer to standard sized bitmap (already existing)
+ bitmaps[IMG_BITMAP_PTR_GAME] = bitmaps[IMG_BITMAP_STANDARD];
return;
}
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;
+ bitmaps[IMG_BITMAP_CUSTOM] = ZoomBitmap(bitmap, width, height);
- SetMaskedBitmapSurface(bitmap_new);
+ // set game bitmap pointer to custom sized bitmap (newly created)
+ bitmaps[IMG_BITMAP_PTR_GAME] = bitmaps[IMG_BITMAP_CUSTOM];
}
static void CreateScaledBitmaps(Bitmap **bitmaps, int zoom_factor,
old_width = old_bitmap->width;
old_height = old_bitmap->height;
- /* calculate new image dimensions for final image size */
+ // 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) */
+ // 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
if (create_small_bitmaps)
{
- /* check if we have a non-gameplay tile size image */
+ // check if we have a non-gameplay tile size image
if (tile_size != gfx.game_tile_size)
{
- /* get image with gameplay 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;
UPDATE_BUSY_STATE();
}
- /* check if we have a non-standard tile size image */
+ // check if we have a non-standard tile size image
if (tile_size != gfx.standard_tile_size)
{
- /* get image with 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;
UPDATE_BUSY_STATE();
}
- /* calculate new image dimensions for small images */
+ // calculate new image dimensions for small images
width_2 = width_1 / 2;
height_2 = height_1 / 2;
width_4 = width_1 / 4;
width_32 = width_1 / 32;
height_32 = height_1 / 32;
- /* get image with 1/2 of normal size (for use in the level editor) */
+ // 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
UPDATE_BUSY_STATE();
- /* get image with 1/4 of normal size (for use in the level editor) */
+ // 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
UPDATE_BUSY_STATE();
- /* get image with 1/8 of normal size (for use on the preview screen) */
+ // 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
UPDATE_BUSY_STATE();
- /* get image with 1/16 of normal size (for use on the preview screen) */
+ // 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
UPDATE_BUSY_STATE();
- /* get image with 1/32 of normal size (for use on the preview screen) */
+ // 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
bitmaps[IMG_BITMAP_CUSTOM] = tmp_bitmap_0;
if (bitmaps[IMG_BITMAP_CUSTOM])
- bitmaps[IMG_BITMAP_GAME] = bitmaps[IMG_BITMAP_CUSTOM];
+ bitmaps[IMG_BITMAP_PTR_GAME] = bitmaps[IMG_BITMAP_CUSTOM];
else
- bitmaps[IMG_BITMAP_GAME] = bitmaps[IMG_BITMAP_STANDARD];
+ bitmaps[IMG_BITMAP_PTR_GAME] = bitmaps[IMG_BITMAP_STANDARD];
+
+ // store the "final" (up-scaled) original bitmap, if not already stored
+
+ int tmp_bitmap_final_nr = -1;
+
+ for (i = 0; i < NUM_IMG_BITMAPS; i++)
+ if (bitmaps[i] == tmp_bitmap_final)
+ tmp_bitmap_final_nr = i;
+
+ if (tmp_bitmap_final_nr == -1) // scaled original bitmap not stored
+ {
+ // store pointer of scaled original bitmap (not used for any other size)
+ bitmaps[IMG_BITMAP_OTHER] = tmp_bitmap_final;
+
+ // set original bitmap pointer to scaled original bitmap of other size
+ bitmaps[IMG_BITMAP_PTR_ORIGINAL] = bitmaps[IMG_BITMAP_OTHER];
+ }
+ else
+ {
+ // set original bitmap pointer to corresponding sized bitmap
+ bitmaps[IMG_BITMAP_PTR_ORIGINAL] = bitmaps[tmp_bitmap_final_nr];
+ }
+
+ // free the "old" (unscaled) original bitmap, if not already stored
boolean free_old_bitmap = TRUE;
free_old_bitmap = FALSE;
if (free_old_bitmap)
+ {
+ // copy image filename from old to new standard sized bitmap
+ bitmaps[IMG_BITMAP_STANDARD]->source_filename =
+ getStringCopy(old_bitmap->source_filename);
+
FreeBitmap(old_bitmap);
+ }
}
else
{
bitmaps[IMG_BITMAP_32x32] = tmp_bitmap_1;
- }
- // create corresponding bitmaps for masked blitting
- for (i = 0; i < NUM_IMG_BITMAPS; i++)
- if (bitmaps[i] != NULL &&
- bitmaps[i] != old_bitmap)
- SetMaskedBitmapSurface(bitmaps[i]);
+ // set original bitmap pointer to corresponding sized bitmap
+ bitmaps[IMG_BITMAP_PTR_ORIGINAL] = bitmaps[IMG_BITMAP_32x32];
+
+ if (old_bitmap != tmp_bitmap_1)
+ FreeBitmap(old_bitmap);
+ }
UPDATE_BUSY_STATE();
void CreateBitmapTextures(Bitmap **bitmaps)
{
- SDLCreateBitmapTextures(bitmaps[IMG_BITMAP_STANDARD]);
+ if (bitmaps[IMG_BITMAP_PTR_ORIGINAL] != NULL)
+ SDLCreateBitmapTextures(bitmaps[IMG_BITMAP_PTR_ORIGINAL]);
+ else
+ SDLCreateBitmapTextures(bitmaps[IMG_BITMAP_STANDARD]);
}
void FreeBitmapTextures(Bitmap **bitmaps)
{
- SDLFreeBitmapTextures(bitmaps[IMG_BITMAP_STANDARD]);
+ if (bitmaps[IMG_BITMAP_PTR_ORIGINAL] != NULL)
+ SDLFreeBitmapTextures(bitmaps[IMG_BITMAP_PTR_ORIGINAL]);
+ else
+ SDLFreeBitmapTextures(bitmaps[IMG_BITMAP_STANDARD]);
}
void ScaleBitmap(Bitmap **bitmaps, int zoom_factor)
}
-/* ------------------------------------------------------------------------- */
-/* mouse pointer functions */
-/* ------------------------------------------------------------------------- */
+// ----------------------------------------------------------------------------
+// mouse pointer functions
+// ----------------------------------------------------------------------------
#define USE_ONE_PIXEL_PLAYFIELD_MOUSEPOINTER 0
-/* XPM image definitions */
+// XPM image definitions
static const char *cursor_image_none[] =
{
- /* width height num_colors chars_per_pixel */
+ // width height num_colors chars_per_pixel
" 16 16 3 1",
- /* colors */
+ // colors
"X c #000000",
". c #ffffff",
" c None",
- /* pixels */
+ // pixels
" ",
" ",
" ",
" ",
" ",
- /* hot spot */
+ // hot spot
"0,0"
};
#if USE_ONE_PIXEL_PLAYFIELD_MOUSEPOINTER
static const char *cursor_image_dot[] =
{
- /* width height num_colors chars_per_pixel */
+ // width height num_colors chars_per_pixel
" 16 16 3 1",
- /* colors */
+ // colors
"X c #000000",
". c #ffffff",
" c None",
- /* pixels */
+ // pixels
" X ",
"X.X ",
" X ",
" ",
" ",
- /* hot spot */
+ // 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 :-) */
+// 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 struct MouseCursorInfo *cursor_none = NULL;
static struct MouseCursorInfo *cursor_playfield = NULL;
struct MouseCursorInfo *cursor_new;
+ int mode_final = mode;
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);
+ if (gfx.cursor_mode_override != CURSOR_UNDEFINED)
+ mode_final = gfx.cursor_mode_override;
+
+ cursor_new = (mode_final == CURSOR_DEFAULT ? NULL :
+ mode_final == CURSOR_NONE ? cursor_none :
+ mode_final == CURSOR_PLAYFIELD ? cursor_playfield : NULL);
SDLSetMouseCursor(cursor_new);
gfx.cursor_mode = mode;
+ gfx.cursor_mode_final = mode_final;
}
+void UpdateRawMousePosition(int mouse_x, int mouse_y)
+{
+ // mouse events do not contain logical screen size corrections yet
+ SDLCorrectRawMousePosition(&mouse_x, &mouse_y);
+
+ mouse_x -= video.screen_xoffset;
+ mouse_y -= video.screen_yoffset;
-/* ========================================================================= */
-/* audio functions */
-/* ========================================================================= */
+ gfx.mouse_x = mouse_x;
+ gfx.mouse_y = mouse_y;
+}
+
+void UpdateMousePosition(void)
+{
+ int mouse_x, mouse_y;
+
+ SDL_PumpEvents();
+ SDL_GetMouseState(&mouse_x, &mouse_y);
+
+ UpdateRawMousePosition(mouse_x, mouse_y);
+}
+
+
+// ============================================================================
+// audio functions
+// ============================================================================
void OpenAudio(void)
{
- /* always start with reliable default values */
+ // always start with reliable default values
audio.sound_available = FALSE;
audio.music_available = FALSE;
audio.loops_available = FALSE;
}
-/* ========================================================================= */
-/* event functions */
-/* ========================================================================= */
+// ============================================================================
+// event functions
+// ============================================================================
void InitEventFilter(EventFilter filter_function)
{
- /* set event filter to filter out certain events */
-#if defined(TARGET_SDL2)
SDL_SetEventFilter(filter_function, NULL);
-#else
- SDL_SetEventFilter(filter_function);
-#endif
}
boolean PendingEvent(void)
return (SDL_PollEvent(NULL) ? TRUE : FALSE);
}
-void NextEvent(Event *event)
+void WaitEvent(Event *event)
{
- SDLNextEvent(event);
+ SDLWaitEvent(event);
}
void PeekEvent(Event *event)
{
-#if defined(TARGET_SDL2)
SDL_PeepEvents(event, 1, SDL_PEEKEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT);
-#else
- SDL_PeepEvents(event, 1, SDL_PEEKEVENT, SDL_ALLEVENTS);
-#endif
}
-Key GetEventKey(KeyEvent *event, boolean with_modifiers)
+void PumpEvents(void)
{
-#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
+ SDL_PumpEvents();
+}
- if (with_modifiers &&
- event->keysym.unicode > 0x0000 &&
- event->keysym.unicode < 0x2000)
- return event->keysym.unicode;
- else
- return event->keysym.sym;
+void CheckQuitEvent(void)
+{
+ if (SDL_QuitRequested())
+ program.exit_function(0);
+}
-#endif
+Key GetEventKey(KeyEvent *event, boolean with_modifiers)
+{
+ // key up/down events in SDL2 do not return text characters anymore
+ return event->keysym.sym;
}
KeyMod HandleKeyModState(Key key, int key_status)
{
static KeyMod current_modifiers = KMOD_None;
- if (key != KSYM_UNDEFINED) /* new key => check for modifier key change */
+ if (key != KSYM_UNDEFINED) // new key => check for modifier key change
{
KeyMod new_modifier = KMOD_None;
- switch(key)
+ switch (key)
{
case KSYM_Shift_L:
new_modifier = KMOD_Shift_L;
return current_modifiers;
}
-KeyMod GetKeyModState()
+KeyMod GetKeyModState(void)
{
return (KeyMod)SDL_GetModState();
}
-KeyMod GetKeyModStateFromEvents()
+KeyMod GetKeyModStateFromEvents(void)
{
/* 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
return HandleKeyModState(KSYM_UNDEFINED, 0);
}
-boolean CheckCloseWindowEvent(ClientMessageEvent *event)
+void StartTextInput(int x, int y, int width, int height)
{
- if (event->type != EVENT_CLIENTMESSAGE)
- return FALSE;
+ textinput_status = TRUE;
+
+#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
+}
+
+void StopTextInput(void)
+{
+ textinput_status = FALSE;
+
+#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
+}
+
+void PushUserEvent(int code, int value1, int value2)
+{
+ UserEvent event;
+
+ SDL_memset(&event, 0, sizeof(event));
+
+ event.type = EVENT_USER;
+ event.code = code;
+ event.value1 = value1;
+ event.value2 = value2;
- return TRUE; /* the only possible message here is SDL_QUIT */
+ SDL_PushEvent((SDL_Event *)&event);
}
-/* ========================================================================= */
-/* joystick functions */
-/* ========================================================================= */
+// ============================================================================
+// joystick functions
+// ============================================================================
-void InitJoysticks()
+void InitJoysticks(void)
{
int i;
#if defined(NO_JOYSTICK)
- return; /* joysticks generally deactivated by compile-time directive */
+ return; // joysticks generally deactivated by compile-time directive
#endif
- /* always start with reliable default values */
+ // 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 */
+ joystick.nr[i] = -1; // no joystick configured
SDLInitJoysticks();
}
{
return SDLReadJoystick(nr, x, y, b1, b2);
}
+
+boolean CheckJoystickOpened(int nr)
+{
+ return SDLCheckJoystickOpened(nr);
+}
+
+void ClearJoystickState(void)
+{
+ SDLClearJoystickState();
+}
+
+
+// ============================================================================
+// Emscripten functions
+// ============================================================================
+
+void InitEmscriptenFilesystem(void)
+{
+#if defined(PLATFORM_EMSCRIPTEN)
+ EM_ASM
+ (
+ Module.sync_done = 0;
+
+ FS.mkdir('/persistent'); // create persistent data directory
+ FS.mount(IDBFS, {}, '/persistent'); // mount with IDBFS filesystem type
+ FS.syncfs(true, function(err) // sync persistent data into memory
+ {
+ assert(!err);
+ Module.sync_done = 1;
+ });
+ );
+
+ // wait for persistent data to be synchronized to memory
+ while (emscripten_run_script_int("Module.sync_done") == 0)
+ Delay(20);
+#endif
+}
+
+void SyncEmscriptenFilesystem(void)
+{
+#if defined(PLATFORM_EMSCRIPTEN)
+ EM_ASM
+ (
+ FS.syncfs(function(err)
+ {
+ assert(!err);
+ });
+ );
+#endif
+}