mirror of https://github.com/encounter/SDL.git
436 lines
16 KiB
Java
436 lines
16 KiB
Java
package org.libsdl.app;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import android.app.*;
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import android.content.Context;
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import android.hardware.*;
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import android.os.*;
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import android.view.*;
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import android.util.Log;
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public class SDLControllerManager
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{
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public static native int nativeSetupJNI();
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public static native int nativeAddJoystick(int device_id, String name, String desc,
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int is_accelerometer, int nbuttons,
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int naxes, int nhats, int nballs);
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public static native int nativeRemoveJoystick(int device_id);
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public static native int nativeAddHaptic(int device_id, String name);
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public static native int nativeRemoveHaptic(int device_id);
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public static native int onNativePadDown(int device_id, int keycode);
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public static native int onNativePadUp(int device_id, int keycode);
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public static native void onNativeJoy(int device_id, int axis,
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float value);
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public static native void onNativeHat(int device_id, int hat_id,
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int x, int y);
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protected static SDLJoystickHandler mJoystickHandler;
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protected static SDLHapticHandler mHapticHandler;
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private static final String TAG = "SDLControllerManager";
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public static void initialize() {
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mJoystickHandler = null;
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mHapticHandler = null;
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SDLControllerManager.setup();
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}
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public static void setup() {
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if (Build.VERSION.SDK_INT >= 16) {
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mJoystickHandler = new SDLJoystickHandler_API16();
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} else if (Build.VERSION.SDK_INT >= 12) {
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mJoystickHandler = new SDLJoystickHandler_API12();
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} else {
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mJoystickHandler = new SDLJoystickHandler();
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}
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mHapticHandler = new SDLHapticHandler();
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}
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// Joystick glue code, just a series of stubs that redirect to the SDLJoystickHandler instance
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public static boolean handleJoystickMotionEvent(MotionEvent event) {
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return mJoystickHandler.handleMotionEvent(event);
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}
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/**
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* This method is called by SDL using JNI.
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*/
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public static void pollInputDevices() {
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mJoystickHandler.pollInputDevices();
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}
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/**
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* This method is called by SDL using JNI.
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*/
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public static void pollHapticDevices() {
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mHapticHandler.pollHapticDevices();
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}
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/**
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* This method is called by SDL using JNI.
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*/
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public static void hapticRun(int device_id, int length) {
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mHapticHandler.run(device_id, length);
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}
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// Check if a given device is considered a possible SDL joystick
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public static boolean isDeviceSDLJoystick(int deviceId) {
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InputDevice device = InputDevice.getDevice(deviceId);
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// We cannot use InputDevice.isVirtual before API 16, so let's accept
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// only nonnegative device ids (VIRTUAL_KEYBOARD equals -1)
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if ((device == null) || (deviceId < 0)) {
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return false;
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}
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int sources = device.getSources();
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if ((sources & InputDevice.SOURCE_CLASS_JOYSTICK) == InputDevice.SOURCE_CLASS_JOYSTICK) {
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Log.v(TAG, "Input device " + device.getName() + " is a joystick.");
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}
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if ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) {
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Log.v(TAG, "Input device " + device.getName() + " is a dpad.");
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}
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if ((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD) {
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Log.v(TAG, "Input device " + device.getName() + " is a gamepad.");
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}
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return (((sources & InputDevice.SOURCE_CLASS_JOYSTICK) == InputDevice.SOURCE_CLASS_JOYSTICK) ||
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((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) ||
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((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD)
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);
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}
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}
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/* A null joystick handler for API level < 12 devices (the accelerometer is handled separately) */
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class SDLJoystickHandler {
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/**
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* Handles given MotionEvent.
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* @param event the event to be handled.
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* @return if given event was processed.
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*/
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public boolean handleMotionEvent(MotionEvent event) {
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return false;
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}
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/**
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* Handles adding and removing of input devices.
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*/
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public void pollInputDevices() {
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}
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}
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/* Actual joystick functionality available for API >= 12 devices */
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class SDLJoystickHandler_API12 extends SDLJoystickHandler {
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static class SDLJoystick {
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public int device_id;
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public String name;
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public String desc;
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public ArrayList<InputDevice.MotionRange> axes;
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public ArrayList<InputDevice.MotionRange> hats;
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}
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static class RangeComparator implements Comparator<InputDevice.MotionRange> {
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@Override
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public int compare(InputDevice.MotionRange arg0, InputDevice.MotionRange arg1) {
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return arg0.getAxis() - arg1.getAxis();
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}
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}
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private ArrayList<SDLJoystick> mJoysticks;
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public SDLJoystickHandler_API12() {
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mJoysticks = new ArrayList<SDLJoystick>();
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}
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@Override
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public void pollInputDevices() {
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int[] deviceIds = InputDevice.getDeviceIds();
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// It helps processing the device ids in reverse order
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// For example, in the case of the XBox 360 wireless dongle,
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// so the first controller seen by SDL matches what the receiver
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// considers to be the first controller
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for(int i=deviceIds.length-1; i>-1; i--) {
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SDLJoystick joystick = getJoystick(deviceIds[i]);
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if (joystick == null) {
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joystick = new SDLJoystick();
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InputDevice joystickDevice = InputDevice.getDevice(deviceIds[i]);
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if (SDLControllerManager.isDeviceSDLJoystick(deviceIds[i])) {
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joystick.device_id = deviceIds[i];
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joystick.name = joystickDevice.getName();
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joystick.desc = getJoystickDescriptor(joystickDevice);
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joystick.axes = new ArrayList<InputDevice.MotionRange>();
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joystick.hats = new ArrayList<InputDevice.MotionRange>();
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List<InputDevice.MotionRange> ranges = joystickDevice.getMotionRanges();
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Collections.sort(ranges, new RangeComparator());
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for (InputDevice.MotionRange range : ranges ) {
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if ((range.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
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if (range.getAxis() == MotionEvent.AXIS_HAT_X ||
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range.getAxis() == MotionEvent.AXIS_HAT_Y) {
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joystick.hats.add(range);
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}
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else {
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joystick.axes.add(range);
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}
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}
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}
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mJoysticks.add(joystick);
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SDLControllerManager.nativeAddJoystick(joystick.device_id, joystick.name, joystick.desc, 0, -1,
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joystick.axes.size(), joystick.hats.size()/2, 0);
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}
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}
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}
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/* Check removed devices */
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ArrayList<Integer> removedDevices = new ArrayList<Integer>();
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for(int i=0; i < mJoysticks.size(); i++) {
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int device_id = mJoysticks.get(i).device_id;
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int j;
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for (j=0; j < deviceIds.length; j++) {
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if (device_id == deviceIds[j]) break;
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}
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if (j == deviceIds.length) {
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removedDevices.add(Integer.valueOf(device_id));
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}
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}
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for(int i=0; i < removedDevices.size(); i++) {
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int device_id = removedDevices.get(i).intValue();
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SDLControllerManager.nativeRemoveJoystick(device_id);
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for (int j=0; j < mJoysticks.size(); j++) {
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if (mJoysticks.get(j).device_id == device_id) {
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mJoysticks.remove(j);
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break;
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}
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}
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}
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}
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protected SDLJoystick getJoystick(int device_id) {
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for(int i=0; i < mJoysticks.size(); i++) {
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if (mJoysticks.get(i).device_id == device_id) {
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return mJoysticks.get(i);
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}
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}
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return null;
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}
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@Override
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public boolean handleMotionEvent(MotionEvent event) {
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if ((event.getSource() & InputDevice.SOURCE_JOYSTICK) != 0) {
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int actionPointerIndex = event.getActionIndex();
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int action = event.getActionMasked();
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switch(action) {
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case MotionEvent.ACTION_MOVE:
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SDLJoystick joystick = getJoystick(event.getDeviceId());
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if ( joystick != null ) {
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for (int i = 0; i < joystick.axes.size(); i++) {
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InputDevice.MotionRange range = joystick.axes.get(i);
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/* Normalize the value to -1...1 */
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float value = ( event.getAxisValue( range.getAxis(), actionPointerIndex) - range.getMin() ) / range.getRange() * 2.0f - 1.0f;
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SDLControllerManager.onNativeJoy(joystick.device_id, i, value );
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}
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for (int i = 0; i < joystick.hats.size(); i+=2) {
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int hatX = Math.round(event.getAxisValue( joystick.hats.get(i).getAxis(), actionPointerIndex ) );
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int hatY = Math.round(event.getAxisValue( joystick.hats.get(i+1).getAxis(), actionPointerIndex ) );
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SDLControllerManager.onNativeHat(joystick.device_id, i/2, hatX, hatY );
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}
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}
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break;
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default:
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break;
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}
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}
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return true;
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}
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public String getJoystickDescriptor(InputDevice joystickDevice) {
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return joystickDevice.getName();
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}
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}
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class SDLJoystickHandler_API16 extends SDLJoystickHandler_API12 {
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@Override
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public String getJoystickDescriptor(InputDevice joystickDevice) {
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String desc = joystickDevice.getDescriptor();
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if (desc != null && desc != "") {
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return desc;
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}
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return super.getJoystickDescriptor(joystickDevice);
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}
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}
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class SDLHapticHandler {
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class SDLHaptic {
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public int device_id;
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public String name;
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public Vibrator vib;
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}
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private ArrayList<SDLHaptic> mHaptics;
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public SDLHapticHandler() {
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mHaptics = new ArrayList<SDLHaptic>();
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}
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public void run(int device_id, int length) {
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SDLHaptic haptic = getHaptic(device_id);
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if (haptic != null) {
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haptic.vib.vibrate (length);
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}
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}
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public void pollHapticDevices() {
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final int deviceId_VIBRATOR_SERVICE = 999999;
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boolean hasVibratorService = false;
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int[] deviceIds = InputDevice.getDeviceIds();
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// It helps processing the device ids in reverse order
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// For example, in the case of the XBox 360 wireless dongle,
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// so the first controller seen by SDL matches what the receiver
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// considers to be the first controller
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if (Build.VERSION.SDK_INT >= 16)
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{
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for (int i = deviceIds.length - 1; i > -1; i--) {
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SDLHaptic haptic = getHaptic(deviceIds[i]);
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if (haptic == null) {
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InputDevice device = InputDevice.getDevice(deviceIds[i]);
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Vibrator vib = device.getVibrator();
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if (vib.hasVibrator()) {
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haptic = new SDLHaptic();
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haptic.device_id = deviceIds[i];
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haptic.name = device.getName();
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haptic.vib = vib;
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mHaptics.add(haptic);
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SDLControllerManager.nativeAddHaptic(haptic.device_id, haptic.name);
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}
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}
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}
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}
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/* Check VIBRATOR_SERVICE */
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Vibrator vib = (Vibrator) SDL.getContext().getSystemService(Context.VIBRATOR_SERVICE);
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if (vib != null) {
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if (Build.VERSION.SDK_INT >= 11) {
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hasVibratorService = vib.hasVibrator();
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} else {
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hasVibratorService = true;
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}
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if (hasVibratorService) {
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SDLHaptic haptic = getHaptic(deviceId_VIBRATOR_SERVICE);
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if (haptic == null) {
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haptic = new SDLHaptic();
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haptic.device_id = deviceId_VIBRATOR_SERVICE;
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haptic.name = "VIBRATOR_SERVICE";
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haptic.vib = vib;
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mHaptics.add(haptic);
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SDLControllerManager.nativeAddHaptic(haptic.device_id, haptic.name);
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}
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}
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}
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/* Check removed devices */
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ArrayList<Integer> removedDevices = new ArrayList<Integer>();
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for(int i=0; i < mHaptics.size(); i++) {
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int device_id = mHaptics.get(i).device_id;
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int j;
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for (j=0; j < deviceIds.length; j++) {
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if (device_id == deviceIds[j]) break;
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}
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if (device_id == deviceId_VIBRATOR_SERVICE && hasVibratorService) {
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// don't remove the vibrator if it is still present
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} else if (j == deviceIds.length) {
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removedDevices.add(device_id);
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}
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}
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for(int i=0; i < removedDevices.size(); i++) {
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int device_id = removedDevices.get(i);
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SDLControllerManager.nativeRemoveHaptic(device_id);
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for (int j=0; j < mHaptics.size(); j++) {
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if (mHaptics.get(j).device_id == device_id) {
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mHaptics.remove(j);
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break;
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}
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}
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}
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}
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protected SDLHaptic getHaptic(int device_id) {
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for(int i=0; i < mHaptics.size(); i++) {
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if (mHaptics.get(i).device_id == device_id) {
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return mHaptics.get(i);
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}
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}
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return null;
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}
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}
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class SDLGenericMotionListener_API12 implements View.OnGenericMotionListener {
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// Generic Motion (mouse hover, joystick...) events go here
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@Override
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public boolean onGenericMotion(View v, MotionEvent event) {
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float x, y;
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int action;
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switch ( event.getSource() ) {
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case InputDevice.SOURCE_JOYSTICK:
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case InputDevice.SOURCE_GAMEPAD:
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case InputDevice.SOURCE_DPAD:
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return SDLControllerManager.handleJoystickMotionEvent(event);
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case InputDevice.SOURCE_MOUSE:
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if (!SDLActivity.mSeparateMouseAndTouch) {
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break;
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}
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action = event.getActionMasked();
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switch (action) {
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case MotionEvent.ACTION_SCROLL:
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x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
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y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
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SDLActivity.onNativeMouse(0, action, x, y);
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return true;
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case MotionEvent.ACTION_HOVER_MOVE:
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x = event.getX(0);
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y = event.getY(0);
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SDLActivity.onNativeMouse(0, action, x, y);
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return true;
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default:
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break;
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}
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break;
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default:
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break;
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}
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// Event was not managed
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return false;
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}
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}
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