BlueMap/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/lowres/LowresTile.java

103 lines
3.7 KiB
Java

/*
* This file is part of BlueMap, licensed under the MIT License (MIT).
*
* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.bluecolored.bluemap.core.map.lowres;
import com.flowpowered.math.vector.Vector2i;
import de.bluecolored.bluemap.core.util.math.Color;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.concurrent.locks.ReentrantReadWriteLock;
public class LowresTile {
public static final int HEIGHT_UNDEFINED = Integer.MIN_VALUE;
private final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
private final BufferedImage texture;
private final Vector2i size;
public LowresTile(Vector2i tileSize) {
this.size = tileSize.add(1, 1); // add 1 for seamless edges
this.texture = new BufferedImage(this.size.getX(), this.size.getY() * 2, BufferedImage.TYPE_INT_ARGB);
}
public LowresTile(Vector2i tileSize, InputStream in) throws IOException {
this.size = tileSize.add(1, 1); // add 1 for seamless edges
this.texture = ImageIO.read(in);
if (this.texture == null) {
throw new IOException("No registered ImageReader is able to read the image-stream");
}
if (this.texture.getWidth() != this.size.getX() || this.texture.getHeight() != this.size.getY() * 2) {
throw new IOException("Size of tile does not match");
}
}
public void set(int x, int z, Color color, int height, int blockLight) {
lock.readLock().lock();
try {
texture.setRGB(x, z, color.straight().getInt());
texture.setRGB(x, size.getY() + z,
(height & 0x0000FFFF) |
((blockLight << 16) & 0x00FF0000) |
0xFF000000
);
} finally {
lock.readLock().unlock();
}
}
public Color getColor(int x, int z, Color target) {
return target.set(texture.getRGB(x, z));
}
public int getHeight(int x, int z) {
int height = texture.getRGB(x, size.getY() + z) & 0x0000FFFF;
if (height > 0x00008000)
return height | 0xFFFF0000;
return height;
}
public int getBlockLight(int x, int z) {
return (texture.getRGB(x, size.getY() + z) & 0x00FF0000) >> 16;
}
public void save(OutputStream out) throws IOException {
lock.writeLock().lock();
try {
ImageIO.write(texture, "png", out);
} finally {
lock.writeLock().unlock();
}
}
}