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