/**
* Copyright (c) 2008-2012 Ardor Labs, Inc.
*
* This file is part of Ardor3D.
*
* Ardor3D is free software: you can redistribute it and/or modify it
* under the terms of its license which may be found in the accompanying
* LICENSE file or at <http://www.ardor3d.com/LICENSE>.
*/
package com.ardor3d.extension.atlas;
import java.nio.FloatBuffer;
import com.ardor3d.image.Texture;
import com.ardor3d.renderer.state.RenderState;
import com.ardor3d.renderer.state.RenderState.StateType;
import com.ardor3d.renderer.state.TextureState;
import com.ardor3d.scenegraph.Mesh;
import com.ardor3d.scenegraph.event.DirtyType;
import com.ardor3d.util.Ardor3dException;
import com.ardor3d.util.TextureKey;
public class TextureParameter {
private final Mesh mesh;
private final Texture texture;
private final int textureIndex;
private final int targetTextureIndex;
private final TextureKey textureKey;
private int atlasIndex;
private float diffX;
private float diffY;
private float offsetX;
private float offsetY;
public TextureParameter(final Mesh mesh, final int textureIndex, final int targetTextureIndex) {
if (mesh == null) {
throw new IllegalArgumentException("Mesh is null");
}
this.mesh = mesh;
this.textureIndex = textureIndex;
this.targetTextureIndex = targetTextureIndex;
if (mesh.isDirty(DirtyType.RenderState)) {
mesh.updateWorldRenderStates(false);
mesh.clearDirty(DirtyType.RenderState);
}
final RenderState textureState = mesh.getWorldRenderState(StateType.Texture);
if (textureState == null) {
throw new Ardor3dException("No texture state found for mesh: " + mesh);
}
texture = ((TextureState) textureState).getTexture(textureIndex);
textureKey = texture != null ? texture.getTextureKey() : null;
}
public Mesh getMesh() {
return mesh;
}
public Texture getTexture() {
return texture;
}
public FloatBuffer getTextureCoords() {
return mesh.getMeshData().getTextureBuffer(textureIndex);
}
public int getWidth() {
return texture.getImage().getWidth();
}
public int getHeight() {
return texture.getImage().getHeight();
}
public void setAtlasIndex(final int atlasIndex) {
this.atlasIndex = atlasIndex;
}
public int getAtlasIndex() {
return atlasIndex;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + (textureKey == null ? 0 : textureKey.hashCode());
return result;
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof TextureParameter)) {
return false;
}
final TextureParameter other = (TextureParameter) obj;
if (textureKey == null) {
if (other.textureKey != null) {
return false;
}
} else if (!textureKey.equals(other.textureKey)) {
return false;
}
return true;
}
public int getTargetTextureIndex() {
return targetTextureIndex;
}
public float getDiffX() {
return diffX;
}
public void setDiffX(final float diffX) {
this.diffX = diffX;
}
public float getDiffY() {
return diffY;
}
public void setDiffY(final float diffY) {
this.diffY = diffY;
}
public float getOffsetX() {
return offsetX;
}
public void setOffsetX(final float offsetX) {
this.offsetX = offsetX;
}
public float getOffsetY() {
return offsetY;
}
public void setOffsetY(final float offsetY) {
this.offsetY = offsetY;
}
public int getTextureIndex() {
return textureIndex;
}
@Override
public String toString() {
return "TextureParameter [mesh=" + mesh + ", textureIndex=" + textureIndex + "]";
}
}