Android Open Source - RollOverSphere---a-simple-libgdx-game Shader Asset Loader

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Back to project page RollOverSphere---a-simple-libgdx-game.

License

The source code is released under:

MIT License

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Java Source Code

package com.igorcrevar.rolloverchuck.utils;
/*from   ww  w  .java 2  s  .  c  o m*/
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.files.FileHandle;
import com.badlogic.gdx.graphics.glutils.ShaderProgram;
import com.badlogic.gdx.utils.Array;

public class ShaderAssetLoader extends AsynchronousAssetLoader<ShaderProgram, ShaderAssetLoader.ShaderAssetLoaderParameter> {
  static public class ShaderAssetLoaderParameter extends AssetLoaderParameters<ShaderProgram> {
    public static String DefaultVertexShaderExtension = ".vsh";
    public static String DefaultFragmentShaderExtension = ".fsh";
    public static String BasePath = "shaders/";
    public String vertexShaderExtension = DefaultVertexShaderExtension;
    public String fragmentShaderExtension = DefaultFragmentShaderExtension;
    public String basePath = BasePath;
  }
  
    public ShaderAssetLoader (final FileHandleResolver resolver) {
      super( resolver );     
    }

    @Override
  public void loadAsync(AssetManager manager, String fileName,
      FileHandle file, ShaderAssetLoaderParameter parameter) {
  }

  @Override
  public ShaderProgram loadSync(AssetManager manager, String fileName,
      FileHandle file, ShaderAssetLoaderParameter parameter) {
    String vse = parameter != null ? parameter.vertexShaderExtension : ShaderAssetLoaderParameter.DefaultVertexShaderExtension;
    String fse = parameter != null ? parameter.fragmentShaderExtension : ShaderAssetLoaderParameter.DefaultFragmentShaderExtension;
    String basePath = parameter != null ? parameter.basePath : ShaderAssetLoaderParameter.BasePath;
    
    final String vName = String.format("%s%s%s", basePath, fileName, vse);
    final String fName = String.format("%s%s%s", basePath, fileName, fse);
    final ShaderProgram shader = new ShaderProgram(resolve(vName), resolve(fName));
    if (!shader.isCompiled()) {
        throw new IllegalStateException(shader.getLog());
    }
     
    return shader;
  }

  @SuppressWarnings("rawtypes")
  @Override
  public Array<AssetDescriptor> getDependencies(String fileName,
      FileHandle file, ShaderAssetLoaderParameter parameter) {
    return null;
  }
}

Java Source Code List