/*******************************************************************************
* 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.decals;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
/** Material used by the {@link Decal} class */
public class DecalMaterial {
public static final int NO_BLEND = -1;
protected TextureRegion textureRegion;
protected int srcBlendFactor;
protected int dstBlendFactor;
/** Binds the material's texture to the OpenGL context and changes the glBlendFunc to the values used by it. */
public void set() {
textureRegion.getTexture().bind();
if (!isOpaque()) {
Gdx.gl.glBlendFunc(srcBlendFactor, dstBlendFactor);
}
}
/** @return true if the material is completely opaque, false if it is not and therefor requires blending */
public boolean isOpaque() {
return srcBlendFactor == NO_BLEND;
}
public int getSrcBlendFactor() {
return srcBlendFactor;
}
public int getDstBlendFactor() {
return dstBlendFactor;
}
@Override
public boolean equals(Object o) {
if (o == null)
return false;
DecalMaterial material = (DecalMaterial) o;
return dstBlendFactor == material.dstBlendFactor && srcBlendFactor == material.srcBlendFactor
&& textureRegion.getTexture() == material.textureRegion.getTexture();
}
@Override
public int hashCode() {
int result = textureRegion.getTexture() != null ? textureRegion.getTexture().hashCode() : 0;
result = 31 * result + srcBlendFactor;
result = 31 * result + dstBlendFactor;
return result;
}
}