com.colonycraft.TextureStorage.java Source code

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Here is the source code for com.colonycraft.TextureStorage.java

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/*******************************************************************************
 * Copyright 2012 Martijn Courteaux <martijn.courteaux@skynet.be>
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.colonycraft;

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

import javax.imageio.ImageIO;

import org.lwjgl.opengl.GL11;
import org.newdawn.slick.opengl.Texture;
import org.newdawn.slick.opengl.TextureLoader;
import org.newdawn.slick.util.BufferedImageUtil;

import com.colonycraft.rendering.Atlas;

/**
 * 
 * @author martijncourteaux
 */
public class TextureStorage {
    private static Map<String, Texture> map = new HashMap<String, Texture>();
    private static Map<String, Atlas> atlasMap = new HashMap<String, Atlas>();
    private static String texturePack = "default";
    private static String fallBackTexturePack = "default";

    public static void setTexturePack(String pack) {
        texturePack = pack;
    }

    public TextureStorage() {
    }

    public static void release() {
        for (Entry<String, Texture> item : map.entrySet()) {
            System.out.printf("Releasing '%s'%n", item.getKey());
            item.getValue().release();
        }
    }

    public static Texture loadTexture(String id, String format, InputStream in) throws IOException {
        Texture t = TextureLoader.getTexture(format, in, GL11.GL_NEAREST);
        map.put(id, t);
        return t;
    }

    public static Texture loadTexture(String id, BufferedImage bi) throws IOException {
        Texture t = BufferedImageUtil.getTexture(id, bi, GL11.GL_TEXTURE_2D, // target
                GL11.GL_RGBA8, // dest pixel format
                GL11.GL_NEAREST, // min filter (unused)
                GL11.GL_NEAREST);
        map.put(id, t);
        return t;
    }

    private static File getTextureFile(String resource) {
        File res = new File("res/textures/" + texturePack + "/" + resource);
        if (!res.exists()) {
            res = new File("res/textures/" + fallBackTexturePack + "/" + resource);
        }
        return res;
    }

    public static Texture loadTexture(String id, String format, String resource) throws IOException {
        return loadTexture(id, format, new FileInputStream(getTextureFile(resource)));
    }

    public static BufferedImage loadBufferedImage(String resource) throws IOException {
        return ImageIO.read(getTextureFile(resource));
    }

    public static Texture getTexture(String id) {
        Texture text = map.get(id);
        return text;
    }

    public static void putAtlas(Atlas a) {
        atlasMap.put(a.getName(), a);
    }

    public static Atlas getAtlas(String id) {
        return atlasMap.get(id);
    }
}