/
sdl_ui.cpp
1256 lines (1098 loc) · 35.3 KB
/
sdl_ui.cpp
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/*
* This file is part of EasyRPG Player.
*
* EasyRPG Player is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* EasyRPG Player is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with EasyRPG Player. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cstdlib>
#include <cstring>
#include "system.h"
#ifdef USE_SDL
#include "sdl_ui.h"
#ifdef _WIN32
# define WIN32_LEAN_AND_MEAN
# ifndef NOMINMAX
# define NOMINMAX
# endif
# include <windows.h>
#elif defined(GEKKO)
# include <gccore.h>
# include <wiiuse/wpad.h>
#elif defined(__ANDROID__)
# include <jni.h>
# include <SDL_system.h>
#elif defined(EMSCRIPTEN)
# include <emscripten.h>
#endif
#if defined(_WIN32) || SDL_MAJOR_VERSION>1
#include "icon.h"
// Prevent some XLib name clashes under Linux
#define Font Font_XLib
#define Drawable Drawable_XLib
#include "SDL_syswm.h"
#undef Font
#undef Drawable
#endif
#include "color.h"
#include "graphics.h"
#include "keys.h"
#include "output.h"
#include "player.h"
#include "bitmap.h"
#include "audio.h"
#ifdef HAVE_SDL_MIXER
# include "audio_sdl.h"
#elif defined(HAVE_OPENAL)
# include "audio_al.h"
#endif
#ifdef SUPPORT_AUDIO
AudioInterface& SdlUi::GetAudio() {
return *audio_;
}
#endif
// SDL 1.2 compatibility
#if SDL_MAJOR_VERSION==1
#define SDL_Keycode SDLKey
#define SDL_WINDOW_FULLSCREEN_DESKTOP SDL_FULLSCREEN
#define SDL_WINDOWEVENT SDL_ACTIVEEVENT
#endif
static int FilterUntilFocus(const SDL_Event* evnt);
#if defined(USE_KEYBOARD) && defined(SUPPORT_KEYBOARD)
static Input::Keys::InputKey SdlKey2InputKey(SDL_Keycode sdlkey);
#endif
#if defined(USE_JOYSTICK) && defined(SUPPORT_JOYSTICK)
static Input::Keys::InputKey SdlJKey2InputKey(int button_index);
#endif
#ifdef GEKKO
extern "C" {
extern void WII_ChangeSquare(int xscale, int yscale, int xshift, int yshift);
}
static void GekkoResetCallback();
#endif
SdlUi::SdlUi(long width, long height, bool fs_flag) :
BaseUi(),
zoom_available(true),
toggle_fs_available(false),
mode_changing(false) {
#ifdef GEKKO
WPAD_Init();
SYS_SetResetCallback(GekkoResetCallback);
#endif
uint32_t flags = SDL_INIT_VIDEO;
#ifndef EMSCRIPTEN
flags |= SDL_INIT_TIMER;
#endif
#if (!defined(NDEBUG) || defined(_WIN32))
flags |= SDL_INIT_NOPARACHUTE;
#endif
// Set some SDL environment variables before starting. These are platform
// dependent, so every port needs to set them manually
#ifndef GEKKO
// Set window position to the middle of the screen
putenv(const_cast<char *>("SDL_VIDEO_WINDOW_POS=center"));
#endif
#ifdef __LINUX__
// Set the application class name
setenv("SDL_VIDEO_X11_WMCLASS", GAME_TITLE, 0);
#elif defined(PSP)
putenv(const_cast<char *>("SDL_ASPECT_RATIO=4:3"));
#endif
if (SDL_Init(flags) < 0) {
Output::Error("Couldn't initialize SDL.\n%s\n", SDL_GetError());
}
#if SDL_MAJOR_VERSION==1
sdl_surface = NULL;
#else
sdl_window = NULL;
#endif
BeginDisplayModeChange();
if (!RequestVideoMode(width, height, fs_flag)) {
Output::Error("No suitable video resolution found. Aborting.");
}
EndDisplayModeChange();
#ifdef GEKKO
// Eliminate debug spew in on-screen console
Output::WiiSetConsole();
// Eliminate overscan / add 5% borders
WII_ChangeSquare(304, 228, 0, 0);
#endif
SetTitle(GAME_TITLE);
#if (defined(USE_JOYSTICK) && defined(SUPPORT_JOYSTICK)) || (defined(USE_JOYSTICK_AXIS) && defined(SUPPORT_JOYSTICK_AXIS)) || (defined(USE_JOYSTICK_HAT) && defined(SUPPORT_JOYSTICK_HAT))
if (SDL_InitSubSystem(SDL_INIT_JOYSTICK) < 0) {
Output::Warning("Couldn't initialize joystick.\n%s", SDL_GetError());
}
SDL_JoystickEventState(1);
SDL_JoystickOpen(0);
#endif
#if defined(USE_MOUSE) && defined(SUPPORT_MOUSE)
ShowCursor(true);
#else
ShowCursor(false);
#endif
#ifdef HAVE_SDL_MIXER
if (!Player::no_audio_flag) {
audio_.reset(new SdlAudio());
return;
}
#elif defined(HAVE_OPENAL)
if (!Player::no_audio_flag) {
audio_.reset(new ALAudio());
return;
}
#endif
audio_.reset(new EmptyAudio());
}
SdlUi::~SdlUi() {
SDL_Quit();
}
uint32_t SdlUi::GetTicks() const {
return SDL_GetTicks();
}
void SdlUi::Sleep(uint32_t time) {
#ifndef EMSCRIPTEN
SDL_Delay(time);
#endif
}
bool SdlUi::RequestVideoMode(int width, int height, bool fullscreen) {
#if SDL_MAJOR_VERSION==1
// FIXME: Split method into submethods, really, this method isn't nice.
// Note to Zhek, don't delete this fixme again.
const SDL_VideoInfo *vinfo;
SDL_Rect **modes;
uint32_t flags = SDL_SWSURFACE;
vinfo = SDL_GetVideoInfo();
current_display_mode.height = height;
current_display_mode.width = width;
#ifdef OPENDINGUX
// Only one video mode for opendingux (320x240)
// SDL_ListModes is broken, we must return here
return true;
#endif
if (vinfo->wm_available) {
toggle_fs_available = true;
// FIXME: this for may work, but is really confusing. Calling a method
// that does this with the desired flags would be nicer.
for (;;) {
if (fullscreen) {
flags |= SDL_FULLSCREEN;
}
modes = SDL_ListModes(NULL, flags);
if (modes != NULL) {
// Set up...
current_display_mode.flags = flags;
if (modes == (SDL_Rect **)-1) {
// All modes available
// If we have a high res, turn zoom on
// FIXME: Detect SDL version for this. current_h and current_w are only available in >1.2.10
// PSP SDL port is older than this, lol
#ifndef PSP
current_display_mode.zoom = (vinfo->current_h > height*2 && vinfo->current_w > width*2);
#endif
#if defined(SUPPORT_ZOOM)
zoom_available = current_display_mode.zoom;
#else
zoom_available = false;
#endif
return true;
} else {
int len = 0;
while (modes[len])
++len;
for (int i = len-1; i >= 0; --i) {
if (
(modes[i]->h == height && modes[i]->w == width)
#if defined(SUPPORT_ZOOM)
|| (modes[i]->h == height*2 && modes[i]->w == width*2)
#endif
) {
current_display_mode.zoom = ((modes[i]->w >> 1) == width);
zoom_available = current_display_mode.zoom;
return true;
}
}
}
}
// No modes available
if ((flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) {
// Try without fullscreen
flags &= ~SDL_FULLSCREEN;
} else {
// No mode available :(
return false;
}
}
} // wm_available
if (!fullscreen) {
// Stop here since we need a window manager for non fullscreen modes
return false;
}
// No hard accel and no window manager
flags = SDL_SWSURFACE | SDL_FULLSCREEN;
modes = SDL_ListModes(NULL, flags);
if (modes == NULL) {
// No video for you
return false;
}
if (modes == (SDL_Rect **)-1) {
// All modes available
current_display_mode.flags = flags;
current_display_mode.zoom = false;
zoom_available = current_display_mode.zoom;
return true;
}
int len = 0;
while (modes[len])
++len;
for (int i = len-1; i > 0; --i) {
if ((modes[i]->h == height && modes[i]->w == width)
#if defined(SUPPORT_ZOOM)
|| (modes[i]->h == height*2 && modes[i]->w == width*2)
#endif
) {
current_display_mode.flags = flags;
// FIXME: we have to find a way to make zoom possible only in windowed mode
current_display_mode.zoom = ((modes[i]->w >> 1) == width);
zoom_available = current_display_mode.zoom;
return true;
}
}
// Didn't find a suitable video mode
return false;
#else
// SDL2 documentation says that resolution dependent code should not be used
// anymore. The library takes care of it now.
current_display_mode.width = width;
current_display_mode.height = height;
current_display_mode.bpp = 32;
if (fullscreen) {
current_display_mode.flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
}
toggle_fs_available = true;
current_display_mode.zoom = true;
#ifdef SUPPORT_ZOOM
zoom_available = true;
#else
zoom_available = false;
#endif
return true;
#endif
}
void SdlUi::BeginDisplayModeChange() {
last_display_mode = current_display_mode;
current_display_mode.effective = false;
mode_changing = true;
}
void SdlUi::EndDisplayModeChange() {
// Check if the new display mode is different from last one
if (mode_changing && (
current_display_mode.flags != last_display_mode.flags ||
current_display_mode.zoom != last_display_mode.zoom ||
current_display_mode.width != last_display_mode.width ||
current_display_mode.height != last_display_mode.height)) {
if (!RefreshDisplayMode()) {
// Mode change failed, check if last one was effective
if (last_display_mode.effective) {
current_display_mode = last_display_mode;
// Try a rollback to last mode
if (!RefreshDisplayMode()) {
Output::Error("Couldn't rollback to last display mode.\n%s", SDL_GetError());
}
} else {
Output::Error("Couldn't set display mode.\n%s", SDL_GetError());
}
}
current_display_mode.effective = true;
mode_changing = false;
}
}
bool SdlUi::RefreshDisplayMode() {
uint32_t flags = current_display_mode.flags;
int display_width = current_display_mode.width;
int display_height = current_display_mode.height;
if (zoom_available && current_display_mode.zoom) {
display_width *= 2;
display_height *= 2;
}
#if SDL_MAJOR_VERSION==1
int bpp = current_display_mode.bpp;
// Free non zoomed surface
main_surface.reset();
sdl_surface = SDL_SetVideoMode(display_width, display_height, bpp, flags);
if (!sdl_surface)
return false;
// Modes below 15 bpp aren't supported
if (sdl_surface->format->BitsPerPixel < 15)
return false;
current_display_mode.bpp = sdl_surface->format->BitsPerPixel;
const DynamicFormat format(
sdl_surface->format->BitsPerPixel,
sdl_surface->format->Rmask,
sdl_surface->format->Gmask,
sdl_surface->format->Bmask,
sdl_surface->format->Amask,
PF::NoAlpha);
#else
if (!sdl_window) {
#ifdef __ANDROID__
// Workaround SDL bug: https://bugzilla.libsdl.org/show_bug.cgi?id=2291
// Set back buffer format to 565
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
#endif
// Create our window
sdl_window = SDL_CreateWindow(GAME_TITLE,
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
display_width, display_height,
SDL_WINDOW_RESIZABLE | flags);
if (!sdl_window)
return false;
SetAppIcon();
// OS X needs the rendered to be vsync
#if defined(__APPLE__) && defined(__MACH__)
uint32_t rendered_flag = SDL_RENDERER_PRESENTVSYNC;
#else
uint32_t rendered_flag = 0;
#endif
sdl_renderer = SDL_CreateRenderer(sdl_window, -1, rendered_flag);
if (!sdl_renderer)
return false;
SDL_RenderSetLogicalSize(sdl_renderer, SCREEN_TARGET_WIDTH, SCREEN_TARGET_HEIGHT);
uint32_t const texture_format =
SDL_BYTEORDER == SDL_LIL_ENDIAN
? SDL_PIXELFORMAT_ABGR8888
: SDL_PIXELFORMAT_RGBA8888;
sdl_texture = SDL_CreateTexture(sdl_renderer,
texture_format,
SDL_TEXTUREACCESS_STREAMING,
SCREEN_TARGET_WIDTH, SCREEN_TARGET_HEIGHT);
if (!sdl_texture)
return false;
} else {
// Browser handles fast resizing for emscripten, TODO: use fullscreen API
#ifndef EMSCRIPTEN
bool is_fullscreen = (flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN_DESKTOP;
if (is_fullscreen) {
SDL_SetWindowFullscreen(sdl_window, SDL_WINDOW_FULLSCREEN_DESKTOP);
} else {
SDL_SetWindowFullscreen(sdl_window, 0);
if ((last_display_mode.flags & SDL_WINDOW_FULLSCREEN_DESKTOP)
== SDL_WINDOW_FULLSCREEN_DESKTOP) {
// Restore to pre-fullscreen size
SDL_SetWindowSize(sdl_window, 0, 0);
} else {
SDL_SetWindowSize(sdl_window, display_width, display_height);
}
}
#endif
}
// Need to set up icon again, some platforms recreate the window when
// creating the renderer (i.e. Windows), see also comment in SetAppIcon()
SetAppIcon();
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
const DynamicFormat format(
32,
0x000000FF,
0x0000FF00,
0x00FF0000,
0xFF000000,
PF::NoAlpha);
#else
const DynamicFormat format(
32,
0xFF000000,
0x00FF0000,
0x0000FF00,
0x000000FF,
PF::NoAlpha);
#endif
#endif
Bitmap::SetFormat(Bitmap::ChooseFormat(format));
#if SDL_MAJOR_VERSION==1
if (zoom_available && current_display_mode.zoom) {
// Create a non zoomed surface as drawing surface
main_surface = Bitmap::Create(current_display_mode.width,
current_display_mode.height,
false,
current_display_mode.bpp);
if (!main_surface)
return false;
} else {
void *pixels = (uint8_t*) sdl_surface->pixels;
// Drawing surface will be the window itself
main_surface = Bitmap::Create(
pixels, sdl_surface->w, sdl_surface->h, sdl_surface->pitch, format);
}
#else
if (!main_surface) {
// Drawing surface will be the window itself
main_surface = Bitmap::Create(
SCREEN_TARGET_WIDTH, SCREEN_TARGET_HEIGHT, Color(0, 0, 0, 255));
}
#endif
return true;
}
#ifdef SUPPORT_FULL_SCALING
void SdlUi::Resize(long width, long height) {
if (mode_changing) {
current_display_mode.width = width;
current_display_mode.height = height;
}
}
#else
void SdlUi::Resize(long /*width*/, long /*height*/) {
}
#endif
void SdlUi::ToggleFullscreen() {
if (toggle_fs_available && mode_changing) {
if ((current_display_mode.flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN_DESKTOP)
current_display_mode.flags &= ~SDL_WINDOW_FULLSCREEN_DESKTOP;
else
current_display_mode.flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
}
}
void SdlUi::ToggleZoom() {
if (zoom_available && mode_changing) {
current_display_mode.zoom = !current_display_mode.zoom;
}
}
void SdlUi::ProcessEvents() {
SDL_Event evnt;
// Poll SDL events and process them
while (SDL_PollEvent(&evnt)) {
ProcessEvent(evnt);
if (Player::exit_flag)
break;
}
}
void SdlUi::UpdateDisplay() {
#if SDL_MAJOR_VERSION==1
if (zoom_available && current_display_mode.zoom) {
// Blit drawing surface x2 scaled over window surface
Blit2X(*main_surface, sdl_surface);
}
SDL_UpdateRect(sdl_surface, 0, 0, 0, 0);
#else
SDL_UpdateTexture(sdl_texture, NULL, main_surface->pixels(), main_surface->pitch());
SDL_RenderClear(sdl_renderer);
SDL_RenderCopy(sdl_renderer, sdl_texture, NULL, NULL);
SDL_RenderPresent(sdl_renderer);
#endif
}
void SdlUi::SetTitle(const std::string &title) {
#if SDL_MAJOR_VERSION==1
SDL_WM_SetCaption(title.c_str(), NULL);
#else
SDL_SetWindowTitle(sdl_window, title.c_str());
#endif
}
bool SdlUi::ShowCursor(bool flag) {
#ifdef __WINRT__
// Prevent cursor hide in WinRT because it is hidden everywhere while the app runs...
return flag;
#else
bool temp_flag = cursor_visible;
cursor_visible = flag;
SDL_ShowCursor(flag ? SDL_ENABLE : SDL_DISABLE);
return temp_flag;
#endif
}
void SdlUi::Blit2X(Bitmap const& src, SDL_Surface* dst_surf) {
if (SDL_MUSTLOCK(dst_surf)) SDL_LockSurface(dst_surf);
BitmapRef dst = Bitmap::Create(
dst_surf->pixels,
dst_surf->w,
dst_surf->h,
dst_surf->pitch,
DynamicFormat(
dst_surf->format->BitsPerPixel,
dst_surf->format->Rmask,
dst_surf->format->Gmask,
dst_surf->format->Bmask,
dst_surf->format->Amask,
PF::NoAlpha));
dst->Blit2x(dst->GetRect(), src, src.GetRect());
if (SDL_MUSTLOCK(dst_surf)) SDL_UnlockSurface(dst_surf);
}
void SdlUi::ProcessEvent(SDL_Event &evnt) {
switch (evnt.type) {
case SDL_WINDOWEVENT:
ProcessActiveEvent(evnt);
return;
case SDL_QUIT:
Player::exit_flag = true;
return;
case SDL_KEYDOWN:
ProcessKeyDownEvent(evnt);
return;
case SDL_KEYUP:
ProcessKeyUpEvent(evnt);
return;
case SDL_MOUSEMOTION:
ProcessMouseMotionEvent(evnt);
return;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
ProcessMouseButtonEvent(evnt);
return;
case SDL_JOYBUTTONDOWN:
case SDL_JOYBUTTONUP:
ProcessJoystickButtonEvent(evnt);
return;
case SDL_JOYHATMOTION:
ProcessJoystickHatEvent(evnt);
return;
case SDL_JOYAXISMOTION:
ProcessJoystickAxisEvent(evnt);
return;
#if SDL_MAJOR_VERSION>1
case SDL_FINGERDOWN:
ProcessFingerDownEvent(evnt);
return;
case SDL_FINGERUP:
ProcessFingerUpEvent(evnt);
return;
#endif
}
}
void SdlUi::ProcessActiveEvent(SDL_Event &evnt) {
#if PAUSE_GAME_WHEN_FOCUS_LOST
int state;
#if SDL_MAJOR_VERSION==1
state = evnt.active.state;
#else
state = evnt.window.event;
#endif
#if SDL_MAJOR_VERSION==1
if (state == SDL_APPINPUTFOCUS && !evnt.active.gain) {
#else
if (state == SDL_WINDOWEVENT_FOCUS_LOST) {
#endif
Player::Pause();
bool last = ShowCursor(true);
#ifndef EMSCRIPTEN
// Filter SDL events until focus is regained
SDL_Event wait_event;
while (SDL_WaitEvent(&wait_event)) {
if (FilterUntilFocus(&wait_event)) {
break;
}
}
#endif
ShowCursor(last);
Player::Resume();
ResetKeys();
return;
}
#endif
#if defined(USE_MOUSE) && defined(SUPPORT_MOUSE)
#if SDL_MAJOR_VERSION==1
if (state == SDL_APPMOUSEFOCUS) {
mouse_focus = evnt.active.gain == 1;
return;
}
#else
if (state == SDL_WINDOWEVENT_ENTER) {
mouse_focus = true;
} else if (state == SDL_WINDOWEVENT_LEAVE) {
mouse_focus = false;
}
#endif
#endif
}
void SdlUi::ProcessKeyDownEvent(SDL_Event &evnt) {
#if defined(USE_KEYBOARD) && defined(SUPPORT_KEYBOARD)
switch (evnt.key.keysym.sym) {
case SDLK_F4:
// Close program on LeftAlt+F4
if (evnt.key.keysym.mod & KMOD_LALT) {
Player::exit_flag = true;
return;
}
// Toggle fullscreen on F4 and no alt is pressed
if (!(evnt.key.keysym.mod & KMOD_RALT) && !(evnt.key.keysym.mod & KMOD_LALT)) {
BeginDisplayModeChange();
ToggleFullscreen();
EndDisplayModeChange();
}
return;
case SDLK_F5:
// Toggle zoom on F5
BeginDisplayModeChange();
ToggleZoom();
EndDisplayModeChange();
return;
case SDLK_F12:
// Reset the game engine on F12
Player::reset_flag = true;
return;
case SDLK_RETURN:
case SDLK_KP_ENTER:
// Toggle fullscreen on Alt+Enter
if (evnt.key.keysym.mod & KMOD_LALT || (evnt.key.keysym.mod & KMOD_RALT)) {
BeginDisplayModeChange();
ToggleFullscreen();
EndDisplayModeChange();
return;
}
// Continue if return/enter not handled by fullscreen hotkey
default:
// Update key state
# if SDL_MAJOR_VERSION==1
keys[SdlKey2InputKey(evnt.key.keysym.sym)] = true;
# else
keys[SdlKey2InputKey(evnt.key.keysym.scancode)] = true;
# endif
return;
}
#else
/* unused */
(void) evnt;
#endif
}
void SdlUi::ProcessKeyUpEvent(SDL_Event &evnt) {
#if defined(USE_KEYBOARD) && defined(SUPPORT_KEYBOARD)
# if SDL_MAJOR_VERSION==1
keys[SdlKey2InputKey(evnt.key.keysym.sym)] = false;
# else
keys[SdlKey2InputKey(evnt.key.keysym.scancode)] = false;
# endif
#else
/* unused */
(void) evnt;
#endif
}
void SdlUi::ProcessMouseMotionEvent(SDL_Event& /* evnt */) {
#if defined(USE_MOUSE) && defined(SUPPORT_MOUSE)
mouse_focus = true;
mouse_x = evnt.motion.x;
mouse_y = evnt.motion.y;
#endif
}
void SdlUi::ProcessMouseButtonEvent(SDL_Event& /* evnt */) {
#if defined(USE_MOUSE) && defined(SUPPORT_MOUSE)
switch (evnt.button.button) {
case SDL_BUTTON_LEFT:
keys[Input::Keys::MOUSE_LEFT] = evnt.button.state == SDL_PRESSED;
break;
case SDL_BUTTON_MIDDLE:
keys[Input::Keys::MOUSE_MIDDLE] = evnt.button.state == SDL_PRESSED;
break;
case SDL_BUTTON_RIGHT:
keys[Input::Keys::MOUSE_RIGHT] = evnt.button.state == SDL_PRESSED;
break;
}
#endif
}
void SdlUi::ProcessJoystickButtonEvent(SDL_Event &evnt) {
#if defined(USE_JOYSTICK) && defined(SUPPORT_JOYSTICK)
keys[SdlJKey2InputKey(evnt.jbutton.button)] = evnt.jbutton.state == SDL_PRESSED;
#endif
}
void SdlUi::ProcessJoystickHatEvent(SDL_Event &evnt) {
#if defined(USE_JOYSTICK_HAT) && defined(SUPPORT_JOYSTICK_HAT)
// Set all states to false
keys[Input::Keys::JOY_HAT_LOWER_LEFT] = false;
keys[Input::Keys::JOY_HAT_DOWN] = false;
keys[Input::Keys::JOY_HAT_LOWER_RIGHT] = false;
keys[Input::Keys::JOY_HAT_LEFT] = false;
keys[Input::Keys::JOY_HAT_RIGHT] = false;
keys[Input::Keys::JOY_HAT_UPPER_LEFT] = false;
keys[Input::Keys::JOY_HAT_UP] = false;
keys[Input::Keys::JOY_HAT_UPPER_RIGHT] = false;
// Check hat states
if ((evnt.jhat.value & SDL_HAT_RIGHTUP) == SDL_HAT_RIGHTUP)
keys[Input::Keys::JOY_HAT_UPPER_RIGHT] = true;
else if ((evnt.jhat.value & SDL_HAT_RIGHTDOWN) == SDL_HAT_RIGHTDOWN)
keys[Input::Keys::JOY_HAT_LOWER_RIGHT] = true;
else if ((evnt.jhat.value & SDL_HAT_LEFTUP) == SDL_HAT_LEFTUP)
keys[Input::Keys::JOY_HAT_UPPER_LEFT] = true;
else if ((evnt.jhat.value & SDL_HAT_LEFTDOWN) == SDL_HAT_LEFTDOWN)
keys[Input::Keys::JOY_HAT_LOWER_LEFT] = true;
else if (evnt.jhat.value & SDL_HAT_UP)
keys[Input::Keys::JOY_HAT_UP] = true;
else if (evnt.jhat.value & SDL_HAT_RIGHT)
keys[Input::Keys::JOY_HAT_RIGHT] = true;
else if (evnt.jhat.value & SDL_HAT_DOWN)
keys[Input::Keys::JOY_HAT_DOWN] = true;
else if (evnt.jhat.value & SDL_HAT_LEFT)
keys[Input::Keys::JOY_HAT_LEFT] = true;
#endif
}
void SdlUi::ProcessJoystickAxisEvent(SDL_Event &evnt) {
#if defined(USE_JOYSTICK_AXIS) && defined(SUPPORT_JOYSTICK_AXIS)
// Horizontal axis
if (evnt.jaxis.axis == 0) {
if (evnt.jaxis.value < -JOYSTICK_AXIS_SENSIBILITY) {
keys[Input::Keys::JOY_AXIS_X_LEFT] = true;
keys[Input::Keys::JOY_AXIS_X_RIGHT] = false;
} else if (evnt.jaxis.value > JOYSTICK_AXIS_SENSIBILITY) {
keys[Input::Keys::JOY_AXIS_X_LEFT] = false;
keys[Input::Keys::JOY_AXIS_X_RIGHT] = true;
} else {
keys[Input::Keys::JOY_AXIS_X_LEFT] = false;
keys[Input::Keys::JOY_AXIS_X_RIGHT] = false;
}
// Vertical Axis
} else if (evnt.jaxis.axis == 1) {
if (evnt.jaxis.value < -JOYSTICK_AXIS_SENSIBILITY) {
keys[Input::Keys::JOY_AXIS_Y_UP] = true;
keys[Input::Keys::JOY_AXIS_Y_DOWN] = false;
} else if (evnt.jaxis.value > JOYSTICK_AXIS_SENSIBILITY) {
keys[Input::Keys::JOY_AXIS_Y_UP] = false;
keys[Input::Keys::JOY_AXIS_Y_DOWN] = true;
} else {
keys[Input::Keys::JOY_AXIS_Y_UP] = false;
keys[Input::Keys::JOY_AXIS_Y_DOWN] = false;
}
}
#endif
}
#if SDL_MAJOR_VERSION>1
void SdlUi::ProcessFingerDownEvent(SDL_Event& evnt) {
ProcessFingerEvent(evnt, true);
}
void SdlUi::ProcessFingerUpEvent(SDL_Event& evnt) {
ProcessFingerEvent(evnt, false);
}
void SdlUi::ProcessFingerEvent(SDL_Event& evnt, bool finger_down) {
(void)finger_down;
(void)evnt;
}
void SdlUi::SetAppIcon() {
#if !defined(_WIN32)
/* SDL handles transfering the application icon to new or recreated windows,
if initially set through it (see below). So no need to set again for all
platforms relying on it. Platforms defined above need special treatment.
*/
static bool icon_set = false;
if (icon_set)
return;
#endif
bool load_error = false;
#ifdef _WIN32
#ifndef __WINRT__
SDL_SysWMinfo wminfo;
SDL_VERSION(&wminfo.version)
SDL_bool success = SDL_GetWindowWMInfo(sdl_window, &wminfo);
if (success < 0)
Output::Error("Wrong SDL version");
HWND window;
HINSTANCE handle = GetModuleHandle(NULL);
HICON icon = LoadIcon(handle, MAKEINTRESOURCE(23456));
HICON icon_small = (HICON) LoadImage(handle, MAKEINTRESOURCE(23456), IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), 0);
load_error = (icon == NULL || icon_small == NULL);
#endif
#else
//Linux, OS X
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
uint32_t Rmask = 0x000000FF;
uint32_t Gmask = 0x0000FF00;
uint32_t Bmask = 0x00FF0000;
uint32_t Amask = 0xFF000000;
#else
uint32_t Rmask = 0xFF000000;
uint32_t Gmask = 0x00FF0000;
uint32_t Bmask = 0x0000FF00;
uint32_t Amask = 0x000000FF;
#endif
SDL_Surface *icon = SDL_CreateRGBSurfaceFrom(icon32, ICON_SIZE, ICON_SIZE, 32, ICON_SIZE*4, Rmask, Gmask, Bmask, Amask);
load_error = (icon == NULL);
#endif
if (load_error)
Output::Warning("Could not load window icon.");
#ifdef _WIN32
#ifndef __WINRT__
window = wminfo.info.win.window;
SetClassLongPtr(window, GCLP_HICON, (LONG_PTR) icon);
SetClassLongPtr(window, GCLP_HICONSM, (LONG_PTR) icon_small);
#endif
#else
SDL_SetWindowIcon(sdl_window, icon);
SDL_FreeSurface(icon);
icon_set = true;
#endif
}
#endif
void SdlUi::ResetKeys() {
for (size_t i = 0; i < keys.size(); i++) {
keys[i] = false;
}
}
bool SdlUi::IsFullscreen() {
return (current_display_mode.flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN_DESKTOP;
}
#if defined(USE_KEYBOARD) && defined(SUPPORT_KEYBOARD)
Input::Keys::InputKey SdlKey2InputKey(SDL_Keycode sdlkey) {
switch (sdlkey) {
#if SDL_MAJOR_VERSION==1
case SDLK_BACKSPACE : return Input::Keys::BACKSPACE;
case SDLK_TAB : return Input::Keys::TAB;
case SDLK_CLEAR : return Input::Keys::CLEAR;
case SDLK_RETURN : return Input::Keys::RETURN;
case SDLK_PAUSE : return Input::Keys::PAUSE;
case SDLK_ESCAPE : return Input::Keys::ESCAPE;
case SDLK_SPACE : return Input::Keys::SPACE;
case SDLK_PAGEUP : return Input::Keys::PGUP;
case SDLK_PAGEDOWN : return Input::Keys::PGDN;
case SDLK_END : return Input::Keys::ENDS;
case SDLK_HOME : return Input::Keys::HOME;
case SDLK_LEFT : return Input::Keys::LEFT;