GameModelLoader.java

package de.fau.cs.mad.fly.res;

import com.badlogic.gdx.assets.AssetDescriptor;
import com.badlogic.gdx.assets.AssetLoaderParameters;
import com.badlogic.gdx.assets.AssetManager;
import com.badlogic.gdx.assets.loaders.AsynchronousAssetLoader;
import com.badlogic.gdx.assets.loaders.FileHandleResolver;
import com.badlogic.gdx.assets.loaders.resolvers.InternalFileHandleResolver;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.Texture.TextureFilter;
import com.badlogic.gdx.graphics.g3d.Model;
import com.badlogic.gdx.graphics.g3d.loader.ObjLoader.ObjLoaderParameters;
import com.badlogic.gdx.utils.Array;

import de.fau.cs.mad.fly.game.GameModel;

/**
 * Created by danyel on 12/06/14.
 */
public class GameModelLoader extends AsynchronousAssetLoader<GameModel, GameModelLoader.GameModelParameters> {
    
    public GameModelLoader(FileHandleResolver resolver) {
        super(resolver);
    }
    
    public GameModelLoader() {
        this(new InternalFileHandleResolver());
    }
    
    private GameModel object;
    
    private boolean hitboxExists = true;
    private String hitboxName;
    
    private void getHitbox(String fileName) {
        if (hitboxName == null && hitboxExists) {
            hitboxName = fileName.replace(".g3db", ".hitbox.g3db");
            hitboxExists = resolve(hitboxName).exists();
        }
    }
    
    @Override
    public void loadAsync(AssetManager manager, String fileName, FileHandle file, GameModelParameters parameter) {
        fileName += ".g3db";
        object = null;
        getHitbox(fileName);
        Model display = manager.get(fileName, Model.class);
        if (hitboxExists) {
            object = new GameModel(display, manager.get(hitboxName, Model.class));
        } else {
            object = new GameModel(display, display);
        }
    }
    
    @Override
    public GameModel loadSync(AssetManager manager, String fileName, FileHandle file, GameModelParameters parameter) {
        GameModel g = object;
        object = null;
        hitboxExists = true;
        hitboxName = null;
        return g;
    }
    
    @Override
    public Array<AssetDescriptor> getDependencies(String fileName, FileHandle file, GameModelParameters parameter) {
        fileName += ".g3db";
        getHitbox(fileName);
        Array<AssetDescriptor> arr = new Array<AssetDescriptor>();
        
        // ObjLoaderParameters modelParameters = new ObjLoaderParameters();
        
        // TODO: bad workaround for the spacesphere
        // if (!fileName.equals("spacesphere.obj")) {
        // modelParameters.textureParameter.genMipMaps = true;
        // // TODO: check if the mag and min filter parameter are correct.
        // modelParameters.textureParameter.magFilter = TextureFilter.MipMap;
        // modelParameters.textureParameter.minFilter = TextureFilter.Nearest;
        // }
        
        arr.add(new AssetDescriptor<Model>(fileName, Model.class));
        if (hitboxExists)
            arr.add(new AssetDescriptor<Model>(hitboxName, Model.class));
        return arr;
    }
    
    static public class GameModelParameters extends AssetLoaderParameters<GameModel> {
    }
}