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Add GamepadDpad.java

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SerpentSpirale 2021-05-17 14:11:29 +02:00
parent d48ab790a0
commit b9b792623f
1 changed files with 77 additions and 0 deletions
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app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/customcontrols/gamepad/GamepadDpad.java Normal file
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package net.kdt.pojavlaunch.customcontrols.gamepad;
import android.view.InputDevice;
import android.view.InputEvent;
import android.view.KeyEvent;
import android.view.MotionEvent;
/*
Code from the android documentation
*/
public class GamepadDpad {
final static int UP = 0;
final static int LEFT = 1;
final static int RIGHT = 2;
final static int DOWN = 3;
final static int CENTER = 4;
int pressedDirection = -1;
public int getDirectionPressed(InputEvent event) {
if (!isDpadEvent(event)) {
return -1;
}
// If the input event is a MotionEvent, check its hat axis values.
if (event instanceof MotionEvent) {
// Use the hat axis value to find the D-pad direction
MotionEvent motionEvent = (MotionEvent) event;
float xaxis = motionEvent.getAxisValue(MotionEvent.AXIS_HAT_X);
float yaxis = motionEvent.getAxisValue(MotionEvent.AXIS_HAT_Y);
// Check if the AXIS_HAT_X value is -1 or 1, and set the D-pad
// LEFT and RIGHT direction accordingly.
if (Float.compare(xaxis, -1.0f) == 0) {
pressedDirection = GamepadDpad.LEFT;
} else if (Float.compare(xaxis, 1.0f) == 0) {
pressedDirection = GamepadDpad.RIGHT;
}
// Check if the AXIS_HAT_Y value is -1 or 1, and set the D-pad
// UP and DOWN direction accordingly.
else if (Float.compare(yaxis, -1.0f) == 0) {
pressedDirection = GamepadDpad.UP;
} else if (Float.compare(yaxis, 1.0f) == 0) {
pressedDirection = GamepadDpad.DOWN;
}
}
// If the input event is a KeyEvent, check its key code.
else if (event instanceof KeyEvent) {
// Use the key code to find the D-pad direction.
KeyEvent keyEvent = (KeyEvent) event;
if (keyEvent.getKeyCode() == KeyEvent.KEYCODE_DPAD_LEFT) {
pressedDirection = GamepadDpad.LEFT;
} else if (keyEvent.getKeyCode() == KeyEvent.KEYCODE_DPAD_RIGHT) {
pressedDirection = GamepadDpad.RIGHT;
} else if (keyEvent.getKeyCode() == KeyEvent.KEYCODE_DPAD_UP) {
pressedDirection = GamepadDpad.UP;
} else if (keyEvent.getKeyCode() == KeyEvent.KEYCODE_DPAD_DOWN) {
pressedDirection = GamepadDpad.DOWN;
} else if (keyEvent.getKeyCode() == KeyEvent.KEYCODE_DPAD_CENTER) {
pressedDirection = GamepadDpad.CENTER;
}
}
return pressedDirection;
}
public static boolean isDpadEvent(InputEvent event) {
// Check that input comes from a device with directional pads.
// And... also the joystick since it declares sometimes as a joystick.
return (event.getSource() & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD
|| (event.getSource() & InputDevice.SOURCE_JOYSTICK) == InputDevice.SOURCE_JOYSTICK;
}
}