lwjgl/src/java/org/lwjgl/opengl/WindowsDirectInputDevice.java

133 lines
5.3 KiB
Java

/*
* Copyright (c) 2002-2008 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.lwjgl.opengl;
/**
* This is the DirectInputDevice interface
* @author elias_naur
*/
import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import org.lwjgl.LWJGLException;
import org.lwjgl.BufferUtils;
abstract class WindowsDirectInputDevice {
public final static int DISCL_EXCLUSIVE = 0x00000001;
public final static int DISCL_NONEXCLUSIVE = 0x00000002;
public final static int DISCL_FOREGROUND = 0x00000004;
public final static int DISCL_BACKGROUND = 0x00000008;
public final static int DISCL_NOWINKEY = 0x00000010;
public final static int GUID_XAxis = 1;
public final static int GUID_YAxis = 2;
public final static int GUID_ZAxis = 3;
public final static int GUID_Button = 4;
public final static int GUID_Unknown = 5;
public final static int DATA_SIZE = 3;
private final long di_device;
private ByteBuffer event_buffer;
public WindowsDirectInputDevice(long di_device) {
this.di_device = di_device;
}
public void release() {
release(di_device);
}
protected abstract void release(long di_device);
public int poll() {
return poll(di_device);
}
protected abstract int poll(long di_device);
public void setDataFormat(int type) throws LWJGLException {
int ret = setDataFormat(di_device, type);
if (ret != WindowsDirectInput.DI_OK)
throw new LWJGLException("Failed to set data format (" + Integer.toHexString(ret) + ")");
}
protected abstract int setDataFormat(long di_device, int type);
public void setCooperateLevel(long hwnd, int flags) throws LWJGLException {
int ret = setCooperativeLevel(di_device, hwnd, flags);
if (ret != WindowsDirectInput.DI_OK)
throw new LWJGLException("Failed to set cooperative level (" + Integer.toHexString(ret) + ")");
}
protected abstract int setCooperativeLevel(long di_device, long hwnd, int flags);
public int acquire() {
return acquire(di_device);
}
protected abstract int acquire(long di_device);
public void setBufferSize(int buffer_size) throws LWJGLException {
int ret = setBufferSize(di_device, buffer_size);
if (ret != WindowsDirectInput.DI_OK && ret != WindowsDirectInput.DI_PROPNOEFFECT && ret != WindowsDirectInput.DI_POLLEDDEVICE)
throw new LWJGLException("Failed to set buffer size (" + Integer.toHexString(ret) + ")");
int event_buffer_size = getEventSize()*buffer_size;
event_buffer = BufferUtils.createByteBuffer(event_buffer_size);
}
protected abstract int setBufferSize(long di_device, int buffer_size);
public int getDeviceData(IntBuffer buffer) {
int events_remaining = buffer.remaining()/DATA_SIZE;
if (event_buffer == null || events_remaining > event_buffer.remaining()/getEventSize())
event_buffer = BufferUtils.createByteBuffer(events_remaining*getEventSize());
return getDeviceData(di_device, event_buffer, event_buffer.capacity(), buffer, buffer.position(), buffer.remaining());
}
protected abstract int getDeviceData(long di_device, ByteBuffer event_buffer, int event_buffer_size, IntBuffer buffer, int position, int size);
/**
* Device data is returned in tuples of the form <dwOfs, dwData>.
* buffer position() is moved accordingly to number of events.
*/
public int getDeviceState(ByteBuffer buffer) {
return getDeviceState(di_device, buffer, buffer.position(), buffer.remaining());
}
protected abstract int getDeviceState(long di_device, ByteBuffer buffer, int position, int size);
public void unacquire() {
unacquire(di_device);
}
protected abstract int unacquire(long di_device);
public int enumObjects(WindowsDirectInputDeviceObjectCallback enumerator) {
return enumObjects(di_device, enumerator);
}
protected abstract int enumObjects(long di_device, WindowsDirectInputDeviceObjectCallback enumerator);
protected abstract int getEventSize();
}