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jMonkeyEngine is a 3-D game engine for adventurous Java developers
/*
* Copyright (c) 2009-2021 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.texture;
import com.jme3.export.InputCapsule;
import com.jme3.export.JmeExporter;
import com.jme3.export.JmeImporter;
import com.jme3.export.OutputCapsule;
import com.jme3.texture.image.ColorSpace;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
/**
* Describes a cubemap texture.
* The image specified by setImage must contain 6 data units,
* each data contains a 2D image representing a cube's face.
* The slices are specified in this order:
*
* 0 -- Positive X (+x)
* 1 -- Negative X (-x)
* 2 -- Positive Y (+y)
* 3 -- Negative Y (-y)
* 4 -- Positive Z (+z)
* 5 -- Negative Z (-z)
*
* @author Joshua Slack
*/
public class TextureCubeMap extends Texture {
private WrapMode wrapS = WrapMode.EdgeClamp;
private WrapMode wrapT = WrapMode.EdgeClamp;
private WrapMode wrapR = WrapMode.EdgeClamp;
/**
* Face of the Cubemap as described by its directional offset from the
* origin.
*/
public enum Face {
PositiveX, NegativeX, PositiveY, NegativeY, PositiveZ, NegativeZ;
}
public TextureCubeMap() {
super();
}
public TextureCubeMap(Image img) {
super();
setImage(img);
}
public TextureCubeMap(int width, int height, Image.Format format) {
this(createEmptyLayeredImage(width, height, 6, format));
}
private static Image createEmptyLayeredImage(int width, int height,
int layerCount, Image.Format format) {
ArrayList layers = new ArrayList<>();
for (int i = 0; i < layerCount; i++) {
layers.add(null);
}
Image image = new Image(format, width, height, 0, layers, ColorSpace.Linear);
return image;
}
@Override
public Texture createSimpleClone() {
return createSimpleClone(new TextureCubeMap());
}
@Override
public Texture createSimpleClone(Texture rVal) {
rVal.setWrap(WrapAxis.S, wrapS);
rVal.setWrap(WrapAxis.T, wrapT);
rVal.setWrap(WrapAxis.R, wrapR);
return super.createSimpleClone(rVal);
}
/**
* setWrap sets the wrap mode of this texture for a
* particular axis.
*
* @param axis
* the texture axis to apply the wrap mode to.
* @param mode
* the wrap mode for the given axis of the texture.
* @throws IllegalArgumentException
* if axis or mode are null
*/
@Override
public void setWrap(WrapAxis axis, WrapMode mode) {
if (mode == null) {
throw new IllegalArgumentException("mode can not be null.");
} else if (axis == null) {
throw new IllegalArgumentException("axis can not be null.");
}
switch (axis) {
case S:
this.wrapS = mode;
break;
case T:
this.wrapT = mode;
break;
case R:
this.wrapR = mode;
break;
}
}
/**
* setWrap sets the wrap mode of this texture for all axis.
*
* @param mode
* the wrap mode for the given axis of the texture.
* @throws IllegalArgumentException
* if mode is null
*/
@Override
public void setWrap(WrapMode mode) {
if (mode == null) {
throw new IllegalArgumentException("mode can not be null.");
}
this.wrapS = mode;
this.wrapT = mode;
this.wrapR = mode;
}
/**
* getWrap returns the wrap mode for a given coordinate axis
* on this texture.
*
* @param axis
* the axis to return for
* @return the wrap mode of the texture.
* @throws IllegalArgumentException
* if axis is null
*/
@Override
public WrapMode getWrap(WrapAxis axis) {
switch (axis) {
case S:
return wrapS;
case T:
return wrapT;
case R:
return wrapR;
}
throw new IllegalArgumentException("invalid WrapAxis: " + axis);
}
@Override
public Type getType() {
return Type.CubeMap;
}
@Override
public boolean equals(Object other) {
if (!(other instanceof TextureCubeMap)) {
return false;
}
TextureCubeMap that = (TextureCubeMap) other;
if (this.getWrap(WrapAxis.S) != that.getWrap(WrapAxis.S))
return false;
if (this.getWrap(WrapAxis.T) != that.getWrap(WrapAxis.T))
return false;
if (this.getWrap(WrapAxis.R) != that.getWrap(WrapAxis.R))
return false;
return super.equals(other);
}
@Override
public int hashCode() {
int hash = super.hashCode();
hash = 53 * hash + (this.wrapS != null ? this.wrapS.hashCode() : 0);
hash = 53 * hash + (this.wrapT != null ? this.wrapT.hashCode() : 0);
hash = 53 * hash + (this.wrapR != null ? this.wrapR.hashCode() : 0);
return hash;
}
@Override
public void write(JmeExporter e) throws IOException {
super.write(e);
OutputCapsule capsule = e.getCapsule(this);
capsule.write(wrapS, "wrapS", WrapMode.EdgeClamp);
capsule.write(wrapT, "wrapT", WrapMode.EdgeClamp);
capsule.write(wrapR, "wrapR", WrapMode.EdgeClamp);
}
@Override
public void read(JmeImporter importer) throws IOException {
super.read(importer);
InputCapsule capsule = importer.getCapsule(this);
wrapS = capsule.readEnum("wrapS", WrapMode.class, WrapMode.EdgeClamp);
wrapT = capsule.readEnum("wrapT", WrapMode.class, WrapMode.EdgeClamp);
wrapR = capsule.readEnum("wrapR", WrapMode.class, WrapMode.EdgeClamp);
}
}
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