#define ENABLE_UNUSED_CODE 0 /* currently unused functions */
+#define DEBUG_JOYSTICKS 0
+
/* ========================================================================= */
/* video functions */
// copy global animations to render target buffer, if defined (above border)
if (gfx.draw_global_anim_function != NULL)
gfx.draw_global_anim_function(draw_target, DRAW_GLOBAL_ANIM_STAGE_2);
+
+ // copy tile selection cursor to render target buffer, if defined (above all)
+ if (gfx.draw_tile_cursor_function != NULL)
+ gfx.draw_tile_cursor_function(draw_target);
}
static void UpdateScreenExt(SDL_Rect *rect, boolean with_frame_delay)
SDLSetWindowIcon(program.icon_filename);
/* set window and icon title */
-#if defined(TARGET_SDL2)
- SDL_SetWindowTitle(sdl_window, program.window_title);
-#else
- SDL_WM_SetCaption(program.window_title, program.window_title);
-#endif
+ SDLSetWindowTitle();
}
inline static void SDLInitVideoBuffer_DrawBuffer()
void SDLSetWindowTitle()
{
#if defined(TARGET_SDL2)
+ if (sdl_window == NULL)
+ return;
+
SDL_SetWindowTitle(sdl_window, program.window_title);
#else
SDL_WM_SetCaption(program.window_title, program.window_title);
/* event functions */
/* ========================================================================= */
-void SDLNextEvent(Event *event)
+void SDLWaitEvent(Event *event)
{
SDL_WaitEvent(event);
}
static int sdl_js_button[MAX_PLAYERS][2];
static boolean sdl_is_controller[MAX_PLAYERS];
-static boolean SDLOpenJoystick(int nr)
+void SDLClearJoystickState()
+{
+ int i, j;
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ for (j = 0; j < 2; j++)
+ {
+ sdl_js_axis_raw[i][j] = -1;
+ sdl_js_axis[i][j] = 0;
+ sdl_js_button[i][j] = 0;
+ }
+ }
+}
+
+boolean SDLOpenJoystick(int nr)
{
- if (nr < 0 || nr > MAX_PLAYERS)
+ if (nr < 0 || nr >= MAX_PLAYERS)
return FALSE;
#if defined(TARGET_SDL2)
sdl_is_controller[nr] = FALSE;
#endif
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "opening joystick %d (%s)",
nr, (sdl_is_controller[nr] ? "game controller" : "joystick"));
#endif
return (sdl_joystick[nr] != NULL);
}
-static void SDLCloseJoystick(int nr)
+void SDLCloseJoystick(int nr)
{
- if (nr < 0 || nr > MAX_PLAYERS)
+ if (nr < 0 || nr >= MAX_PLAYERS)
return;
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "closing joystick %d", nr);
#endif
#endif
sdl_joystick[nr] = NULL;
-
- sdl_js_axis_raw[nr][0] = -1;
- sdl_js_axis_raw[nr][1] = -1;
- sdl_js_axis[nr][0] = 0;
- sdl_js_axis[nr][1] = 0;
- sdl_js_button[nr][0] = 0;
- sdl_js_button[nr][1] = 0;
}
boolean SDLCheckJoystickOpened(int nr)
{
- if (nr < 0 || nr > MAX_PLAYERS)
+ if (nr < 0 || nr >= MAX_PLAYERS)
return FALSE;
#if defined(TARGET_SDL2)
int axis_id = axis_id_raw % 2;
#endif
+ if (nr < 0 || nr >= MAX_PLAYERS)
+ return;
+
if (axis_id == -1)
return;
int button_id = button_id_raw % 2;
#endif
+ if (nr < 0 || nr >= MAX_PLAYERS)
+ return;
+
if (button_id == -1)
return;
{
#if defined(TARGET_SDL2)
case SDL_CONTROLLERDEVICEADDED:
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_CONTROLLERDEVICEADDED: device %d added",
event->cdevice.which);
#endif
break;
case SDL_CONTROLLERDEVICEREMOVED:
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_CONTROLLERDEVICEREMOVED: device %d removed",
event->cdevice.which);
#endif
break;
case SDL_CONTROLLERAXISMOTION:
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_CONTROLLERAXISMOTION: device %d, axis %d: %d",
event->caxis.which, event->caxis.axis, event->caxis.value);
#endif
break;
case SDL_CONTROLLERBUTTONDOWN:
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_CONTROLLERBUTTONDOWN: device %d, button %d",
event->cbutton.which, event->cbutton.button);
#endif
break;
case SDL_CONTROLLERBUTTONUP:
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_CONTROLLERBUTTONUP: device %d, button %d",
event->cbutton.which, event->cbutton.button);
#endif
if (sdl_is_controller[event->jaxis.which])
break;
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_JOYAXISMOTION: device %d, axis %d: %d",
event->jaxis.which, event->jaxis.axis, event->jaxis.value);
#endif
if (sdl_is_controller[event->jaxis.which])
break;
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_JOYBUTTONDOWN: device %d, button %d",
event->jbutton.which, event->jbutton.button);
#endif
if (sdl_is_controller[event->jaxis.which])
break;
-#if 1
+#if DEBUG_JOYSTICKS
Error(ERR_DEBUG, "SDL_JOYBUTTONUP: device %d, button %d",
event->jbutton.which, event->jbutton.button);
#endif
static boolean sdl_joystick_subsystem_initialized = FALSE;
boolean print_warning = !sdl_joystick_subsystem_initialized;
#if defined(TARGET_SDL2)
- char *mappings_file = "gamecontrollerdb.txt";
+ char *mappings_file_base = getPath2(options.conf_directory,
+ GAMECONTROLLER_BASENAME);
+ char *mappings_file_user = getPath2(getUserGameDataDir(),
+ GAMECONTROLLER_BASENAME);
int num_mappings;
#endif
int i;
}
#if defined(TARGET_SDL2)
- num_mappings = SDL_GameControllerAddMappingsFromFile(mappings_file);
+ num_mappings = SDL_GameControllerAddMappingsFromFile(mappings_file_base);
+
+ /* the included game controller base mappings should always be found */
+ if (num_mappings == -1)
+ Error(ERR_WARN, "no game controller base mappings found");
+#if DEBUG_JOYSTICKS
+ else
+ Error(ERR_INFO, "%d game controller base mapping(s) added", num_mappings);
+#endif
+
+ num_mappings = SDL_GameControllerAddMappingsFromFile(mappings_file_user);
- if (num_mappings != -1)
- Error(ERR_INFO, "%d game controller mapping(s) added", num_mappings);
+#if DEBUG_JOYSTICKS
+ /* the personal game controller user mappings may or may not be found */
+ if (num_mappings == -1)
+ Error(ERR_WARN, "no game controller user mappings found");
else
- Error(ERR_WARN, "no game controller mappings found");
+ Error(ERR_INFO, "%d game controller user mapping(s) added", num_mappings);
Error(ERR_INFO, "%d joystick(s) found:", SDL_NumJoysticks());
+#endif
+
+ checked_free(mappings_file_base);
+ checked_free(mappings_file_user);
+#if DEBUG_JOYSTICKS
for (i = 0; i < SDL_NumJoysticks(); i++)
{
const char *name, *type;
Error(ERR_INFO, "- joystick %d (%s): '%s'",
i, type, (name ? name : "(Unknown)"));
}
+#endif
#endif
}
joystick_nr = -1;
}
- /* misuse joystick file descriptor variable to store joystick number */
- joystick.fd[i] = joystick_nr;
+ /* store configured joystick number for each player */
+ joystick.nr[i] = joystick_nr;
}
/* now open all connected joysticks (regardless if configured or not) */
else if (print_warning)
Error(ERR_WARN, "cannot open joystick %d", i);
}
+
+ SDLClearJoystickState();
}
boolean SDLReadJoystick(int nr, int *x, int *y, boolean *b1, boolean *b2)
return TRUE;
}
+
+/* ========================================================================= */
+/* touch input overlay functions */
+/* ========================================================================= */
+
#if defined(USE_TOUCH_INPUT_OVERLAY)
+static void DrawTouchInputOverlay_ShowGrid(int alpha)
+{
+ SDL_Rect rect;
+ int grid_xsize = overlay.grid_xsize;
+ int grid_ysize = overlay.grid_ysize;
+ int x, y;
+
+ SDL_SetRenderDrawColor(sdl_renderer, 255, 255, 255, alpha);
+ SDL_SetRenderDrawBlendMode(sdl_renderer, SDL_BLENDMODE_BLEND);
+
+ for (x = 0; x < grid_xsize; x++)
+ {
+ rect.x = (x + 0) * video.screen_width / grid_xsize;
+ rect.w = (x + 1) * video.screen_width / grid_xsize - rect.x;
+
+ for (y = 0; y < grid_ysize; y++)
+ {
+ rect.y = (y + 0) * video.screen_height / grid_ysize;
+ rect.h = (y + 1) * video.screen_height / grid_ysize - rect.y;
+
+ if (overlay.grid_button[x][y] == CHAR_GRID_BUTTON_NONE)
+ SDL_RenderDrawRect(sdl_renderer, &rect);
+ }
+ }
+
+ SDL_SetRenderDrawColor(sdl_renderer, 0, 0, 0, 255);
+}
+
+static void RenderFillRectangle(int x, int y, int width, int height)
+{
+ SDL_Rect rect = { x, y, width, height };
+
+ SDL_RenderFillRect(sdl_renderer, &rect);
+}
+
+static void DrawTouchInputOverlay_ShowGridButtons(int alpha)
+{
+ static int alpha_direction = 0;
+ static int alpha_highlight = 0;
+ int alpha_max = ALPHA_FROM_TRANSPARENCY(setup.touch.transparency);
+ int alpha_step = ALPHA_FADING_STEPSIZE(alpha_max);
+ SDL_Rect rect;
+ int grid_xsize = overlay.grid_xsize;
+ int grid_ysize = overlay.grid_ysize;
+ int x, y;
+
+ if (alpha == alpha_max)
+ {
+ if (alpha_direction < 0)
+ {
+ alpha_highlight = MAX(0, alpha_highlight - alpha_step);
+
+ if (alpha_highlight == 0)
+ alpha_direction = 1;
+ }
+ else
+ {
+ alpha_highlight = MIN(alpha_highlight + alpha_step, alpha_max);
+
+ if (alpha_highlight == alpha_max)
+ alpha_direction = -1;
+ }
+ }
+ else
+ {
+ alpha_direction = 1;
+ alpha_highlight = alpha;
+ }
+
+ SDL_SetRenderDrawBlendMode(sdl_renderer, SDL_BLENDMODE_BLEND);
+
+ for (x = 0; x < grid_xsize; x++)
+ {
+ for (y = 0; y < grid_ysize; y++)
+ {
+ int grid_button = overlay.grid_button[x][y];
+ int grid_button_action = GET_ACTION_FROM_GRID_BUTTON(grid_button);
+ int alpha_draw = alpha;
+ int outline_border = MV_NONE;
+ int border_size = 2;
+ boolean draw_outlined = setup.touch.draw_outlined;
+ boolean draw_pressed = setup.touch.draw_pressed;
+
+ if (grid_button == CHAR_GRID_BUTTON_NONE)
+ continue;
+
+ if (grid_button == overlay.grid_button_highlight)
+ alpha_draw = alpha_highlight;
+
+ if (draw_pressed && overlay.grid_button_action & grid_button_action)
+ {
+ if (draw_outlined)
+ draw_outlined = FALSE;
+ else
+ alpha_draw = MIN((float)alpha_draw * 1.5, SDL_ALPHA_OPAQUE);
+ }
+
+ SDL_SetRenderDrawColor(sdl_renderer, 255, 255, 255, alpha_draw);
+
+ rect.x = (x + 0) * video.screen_width / grid_xsize;
+ rect.y = (y + 0) * video.screen_height / grid_ysize;
+ rect.w = (x + 1) * video.screen_width / grid_xsize - rect.x;
+ rect.h = (y + 1) * video.screen_height / grid_ysize - rect.y;
+
+ if (x == 0 || overlay.grid_button[x - 1][y] != grid_button)
+ {
+ rect.x += border_size;
+ rect.w -= border_size;
+
+ outline_border |= MV_LEFT;
+ }
+
+ if (x == grid_xsize - 1 || overlay.grid_button[x + 1][y] != grid_button)
+ {
+ rect.w -= border_size;
+
+ outline_border |= MV_RIGHT;
+ }
+
+ if (y == 0 || overlay.grid_button[x][y - 1] != grid_button)
+ {
+ rect.y += border_size;
+ rect.h -= border_size;
+
+ outline_border |= MV_UP;
+ }
+
+ if (y == grid_ysize - 1 || overlay.grid_button[x][y + 1] != grid_button)
+ {
+ rect.h -= border_size;
+
+ outline_border |= MV_DOWN;
+ }
+
+ if (draw_outlined)
+ {
+ int rect_x = rect.x +
+ (outline_border & MV_LEFT ? border_size : 0);
+ int rect_w = rect.w -
+ (outline_border & MV_LEFT ? border_size : 0) -
+ (outline_border & MV_RIGHT ? border_size : 0);
+
+ if (outline_border & MV_LEFT)
+ RenderFillRectangle(rect.x, rect.y, border_size, rect.h);
+
+ if (outline_border & MV_RIGHT)
+ RenderFillRectangle(rect.x + rect.w - border_size, rect.y,
+ border_size, rect.h);
+
+ if (outline_border & MV_UP)
+ RenderFillRectangle(rect_x, rect.y, rect_w, border_size);
+
+ if (outline_border & MV_DOWN)
+ RenderFillRectangle(rect_x, rect.y + rect.h - border_size,
+ rect_w, border_size);
+ }
+ else
+ {
+ SDL_RenderFillRect(sdl_renderer, &rect);
+ }
+ }
+ }
+
+ SDL_SetRenderDrawColor(sdl_renderer, 0, 0, 0, 255);
+}
+
static void DrawTouchInputOverlay()
{
static SDL_Texture *texture = NULL;
static boolean initialized = FALSE;
static boolean deactivated = TRUE;
+ static boolean show_grid = FALSE;
static int width = 0, height = 0;
- static int alpha_max = SDL_ALPHA_OPAQUE / 2;
- static int alpha_step = 5;
- static int alpha_last = 0;
+ static int alpha_last = -1;
static int alpha = 0;
+ int alpha_max = ALPHA_FROM_TRANSPARENCY(setup.touch.transparency);
+ int alpha_step = ALPHA_FADING_STEPSIZE(alpha_max);
+ boolean active = (overlay.enabled && overlay.active);
- if (!overlay.active && deactivated)
+ if (!active && deactivated)
return;
- if (overlay.active)
+ if (active)
{
if (alpha < alpha_max)
alpha = MIN(alpha + alpha_step, alpha_max);
deactivated = TRUE;
}
+ if (overlay.show_grid)
+ show_grid = TRUE;
+ else if (deactivated)
+ show_grid = FALSE;
+
+ if (show_grid)
+ DrawTouchInputOverlay_ShowGrid(alpha);
+
+ DrawTouchInputOverlay_ShowGridButtons(alpha);
+
+ return;
+
+
+ // !!! VIRTUAL BUTTONS FROM IMAGE FILE NOT USED ANYMORE !!!
+
if (!initialized)
{
char *basename = "overlay/VirtualButtons.png";
SDL_FreeSurface(surface);
SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
- SDL_SetTextureAlphaMod(texture, alpha_max);
initialized = TRUE;
}