StillModel.java

/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * 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.badlogic.gdx.graphics.g3d.model.still;

import java.util.ArrayList;

import com.badlogic.gdx.graphics.g3d.materials.Material;
import com.badlogic.gdx.graphics.g3d.model.Model;
import com.badlogic.gdx.graphics.g3d.model.SubMesh;
import com.badlogic.gdx.graphics.glutils.ShaderProgram;
import com.badlogic.gdx.math.collision.BoundingBox;

public class StillModel implements Model {
	final public StillSubMesh[] subMeshes;

	public StillModel (StillSubMesh[] subMeshes) {
		this.subMeshes = subMeshes;
	}

	@Override
	public void render () {
		int len = subMeshes.length;
		for (int i = 0; i < len; i++) {
			StillSubMesh subMesh = subMeshes[i];
			if (i == 0) {
				subMesh.material.bind();
			} else if (!subMeshes[i - 1].material.equals(subMesh.material)) {
				subMesh.material.bind();
			}
			subMesh.mesh.render(subMesh.primitiveType);
		}
	}

	@Override
	public void render (ShaderProgram program) {
		int len = subMeshes.length;
		for (int i = 0; i < len; i++) {
			StillSubMesh subMesh = subMeshes[i];
			subMesh.mesh.render(program, subMesh.primitiveType);
//			System.out.println(subMesh.mesh.getVertexAttributes());
		}
	}

	@Override
	public Model getSubModel (String... subMeshNames) {
		ArrayList<SubMesh> subMeshes = new ArrayList<SubMesh>();
		for (String name : subMeshNames)
			for (StillSubMesh subMesh : this.subMeshes)
				if (name.equals(subMesh.name)) subMeshes.add(subMesh);
		if (subMeshes.size() > 0) return new StillModel(subMeshes.toArray(new StillSubMesh[subMeshes.size()]));
		return null;
	}

	@Override
	public StillSubMesh getSubMesh (String name) {
		for (StillSubMesh subMesh : subMeshes) {
			if (subMesh.name.equals(name)) return subMesh;
		}
		return null;
	}

	@Override
	public SubMesh[] getSubMeshes () {
		return subMeshes;
	}

	@Override
	public void setMaterials (Material... materials) {
		if (materials.length != subMeshes.length)
			throw new UnsupportedOperationException("number of materials must equal number of sub-meshes");
		int len = materials.length;
		for (int i = 0; i < len; i++) {
			subMeshes[i].material = materials[i];
		}
	}

	@Override
	public void setMaterial (Material material) {
		int len = subMeshes.length;
		for (int i = 0; i < len; i++) {
			subMeshes[i].material = material;
		}
	}

	private final static BoundingBox tmpBox = new BoundingBox();

	@Override
	public void getBoundingBox (BoundingBox bbox) {
		bbox.inf();
		for (int i = 0; i < subMeshes.length; i++) {
			subMeshes[i].mesh.calculateBoundingBox(tmpBox);
			bbox.ext(tmpBox);
		}
	}

	@Override
	public void dispose () {
		for (int i = 0; i < subMeshes.length; i++) {
			subMeshes[i].mesh.dispose();
		}
	}
}