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123 lines
2.7 KiB
123 lines
2.7 KiB
package net.sector.textures;
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import static org.lwjgl.opengl.GL11.*;
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import java.io.IOException;
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import java.util.HashMap;
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import net.sector.Constants;
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import net.sector.util.Log;
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import org.newdawn.slick.opengl.Texture;
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import org.newdawn.slick.opengl.TextureLoader;
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import org.newdawn.slick.util.ResourceLoader;
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/**
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* Texture manager
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*
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* @author Ondřej Hruška (MightyPork)
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*/
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public class TextureManager {
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private static final boolean DEBUG = Constants.LOG_TEXTURES;
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private static HashMap<String, Texture> textures = new HashMap<String, Texture>();
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private static HashMap<String, Texture> texturesByPath = new HashMap<String, Texture>();
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/**
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* Load texture
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*
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* @param resourcePath
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* @return the loaded texture
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*/
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public static Texture load(String resourcePath) {
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try {
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if (texturesByPath.containsKey(resourcePath)) {
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return texturesByPath.get(resourcePath);
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}
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String ext = resourcePath.substring(resourcePath.length() - 4);
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Texture texture = TextureLoader.getTexture(ext.toUpperCase(), ResourceLoader.getResourceAsStream(resourcePath));
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if (texture != null) {
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if (DEBUG) Log.f2("Texture " + resourcePath + " loaded.");
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texturesByPath.put(resourcePath, texture);
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return texture;
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}
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Log.w("Texture " + resourcePath + " could not be loaded.");
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return null;
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} catch (IOException e) {
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Log.e("Loading of texture " + resourcePath + " failed.", e);
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throw new RuntimeException(e);
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}
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}
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/**
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* Load texture to the texture list
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*
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* @param name texture name used to call it
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* @param resourcePath eg. "res/image.png"
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* @return the texture just loaded
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*/
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public static Texture load(String name, String resourcePath) {
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if (!textures.containsKey(name)) {
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Texture texture = load(resourcePath);
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if (texturesByPath.containsKey(resourcePath)) {
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textures.put(name, texture = texturesByPath.get(resourcePath));
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return texture;
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}
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if (texture != null) {
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textures.put(name, texture);
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return texture;
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}
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Log.w("Texture " + resourcePath + " could not be loaded.");
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return null;
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} else {
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return get(name);
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}
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}
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/**
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* Bind texture by name
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*
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* @param name texture name
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* @throws RuntimeException if not loaded yet
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*/
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public static void bind(String name) throws RuntimeException {
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Texture tx = get(name);
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if (tx == null) throw new RuntimeException("Can't bind texture \"" + name + "\", texture is not loaded.");
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//tx.bind();
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glBindTexture(GL_TEXTURE_2D, tx.getTextureID());
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}
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/**
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* Unbind all
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*/
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public static void unbind() {
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glBindTexture(GL_TEXTURE_2D, 0);
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}
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/**
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* Get texture for name
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*
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* @param name name
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* @return texture
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*/
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public static Texture get(String name) {
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return textures.get(name);
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}
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}
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