/** | |
* Copyright (c) 2010-2011, Vincent Vollers and Christopher J. Kucera | |
* 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 the Minecraft X-Ray team 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 VINCENT VOLLERS OR CJ KUCERA 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.plusminus.craft; | |
import java.awt.image.BufferedImage; | |
import java.awt.image.ComponentSampleModel; | |
import java.awt.image.DataBuffer; | |
import java.awt.image.DataBufferByte; | |
import java.awt.image.Raster; | |
import java.awt.image.WritableRaster; | |
import java.nio.ByteBuffer; | |
import java.nio.ByteOrder; | |
import java.util.Hashtable; | |
import org.lwjgl.opengl.GL11; | |
/*** | |
* Represents a texture with methods to quickly (!) update it from a given BufferedImage | |
* | |
* I took this from a previous project | |
* | |
* The most interesting about this is the 'update' method, which will redraw an image into a texture compatible buffer and update the texture | |
* | |
* @todo more documentation | |
* @author Vincent | |
*/ | |
public class Texture { | |
private BufferedImage image; | |
private WritableRaster raster; | |
private BufferedImage texImage; | |
private byte[] iBuffer; | |
private byte[] tBuffer; | |
private ByteBuffer textureCompatibleBuffer; | |
private int[] bankOffsets; | |
private int textureWidth = -1; | |
private int textureHeight = -1; | |
private int xScaleUnit; | |
private int yScaleUnit; | |
private int scanLineStride; | |
private int pixelStride; | |
private int frameNum; | |
private long playTime; | |
private long delayTime; | |
private boolean flip = false; | |
private Object syncObj = new Object(); | |
private int textureId = -1; | |
/*public static final ColorModel glAlphaColorModel = new ComponentColorModel( | |
ColorSpace.getInstance(ColorSpace.CS_sRGB), | |
new int[] { 8, 8, 8, 8 }, true, false, | |
ComponentColorModel.TRANSLUCENT, DataBuffer.TYPE_BYTE); | |
public static final ColorModel glColorModel = new ComponentColorModel( | |
ColorSpace.getInstance(ColorSpace.CS_sRGB), | |
new int[] { 8, 8, 8, 0 }, false, false, ComponentColorModel.OPAQUE, | |
DataBuffer.TYPE_BYTE);*/ | |
public Texture(BufferedImage image, int frameNum, long playTime, | |
long delayTime) { | |
// System.out.println(image.hashCode()); | |
this.image = image; | |
this.frameNum = frameNum; | |
this.playTime = playTime; | |
this.delayTime = delayTime; | |
this.textureCompatibleBuffer = null; | |
} | |
public Texture(BufferedImage image) { | |
// System.out.println(image.hashCode()); | |
this.image = image; | |
this.frameNum = -1; | |
this.playTime = -1; | |
this.delayTime = -1; | |
this.textureCompatibleBuffer = null; | |
} | |
public int getTextureId() { | |
return this.textureId; | |
} | |
public void setTextureId(int id) { | |
this.textureId = id; | |
} | |
public void setFlip(boolean flip) { | |
this.flip = flip; | |
} | |
public boolean getFlip() { | |
return flip; | |
} | |
public int getTextureWidth() { | |
return this.textureWidth; | |
} | |
public int getTextureHeight() { | |
return this.textureHeight; | |
} | |
public long getDelayTime() { | |
return delayTime; | |
} | |
public void setDelayTime(long delayTime) { | |
this.delayTime = delayTime; | |
} | |
public int getFrameNum() { | |
return frameNum; | |
} | |
public void setFrameNum(int frameNum) { | |
this.frameNum = frameNum; | |
} | |
public BufferedImage getImage() { | |
return image; | |
} | |
public void setImage(BufferedImage image) { | |
this.image = image; | |
} | |
public long getPlayTime() { | |
return playTime; | |
} | |
public void setPlayTime(long playTime) { | |
this.playTime = playTime; | |
} | |
public byte[] getTextureData() { | |
return this.tBuffer; | |
} | |
public byte[] getImageData() { | |
return this.iBuffer; | |
} | |
public void setImageData(byte[] iBuffer) { | |
this.iBuffer = iBuffer; | |
} | |
public void initializeTextureCompatibleBuffer() { | |
textureWidth = TextureTool.get2Fold(image.getWidth()); | |
textureHeight = TextureTool.get2Fold(image.getHeight()); | |
// generate an interleaved byte-based ARGB raster and image | |
raster = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, | |
this.textureWidth, this.textureHeight, 4, null); | |
texImage = new BufferedImage(TextureTool.glAlphaColorModel, raster, false, | |
new Hashtable<String, Object>()); | |
// get the pointers to the data of the [t]exture buffer | |
// and the data of the [i]image buffer | |
iBuffer = ((DataBufferByte) image.getRaster().getDataBuffer()) | |
.getData(); | |
tBuffer = ((DataBufferByte) texImage.getRaster() | |
.getDataBuffer()).getData(); | |
// get information on how the image is stored in the buffer | |
ComponentSampleModel imageSampleModel = (ComponentSampleModel) image | |
.getSampleModel(); | |
scanLineStride = imageSampleModel.getScanlineStride(); | |
pixelStride = imageSampleModel.getPixelStride(); | |
bankOffsets = imageSampleModel.getBandOffsets(); | |
// generate a fixed point floating point number | |
// which will allow us to calculate for a given x or y on the | |
// texture | |
// where the source pixel on the image is | |
xScaleUnit = (int) (((double) image.getWidth() / (double) textureWidth) * 65536); | |
yScaleUnit = (int) (((double) image.getHeight() / (double) textureHeight) * 65536); | |
// generate a bytebuffer to store the resulting image | |
textureCompatibleBuffer = ByteBuffer | |
.allocateDirect(tBuffer.length); | |
textureCompatibleBuffer.order(ByteOrder.nativeOrder()); | |
} | |
public void updateTextureCompatibleBuffer() { | |
synchronized (this.syncObj) { | |
// long time = System.currentTimeMillis(); | |
int adr = 0; // the address in the texture buffer | |
int xOffset = 0; // the x coordinate in the image | |
int bufferOffset = 0; // the final buffer offset in the image | |
int yOffset = 0; // the y coordinate in the image | |
int yBufferOffset = 0; // a temp value containing the start of the | |
// scanline in the image | |
int x,y; // the coordinates on the texture image | |
if(flip) { | |
yOffset = (image.getHeight()-1) * 65536; | |
if (bankOffsets.length > 3) { // RGBA or ABGR images | |
int bOff0 = bankOffsets[0]; | |
int bOff1 = bankOffsets[1]; | |
int bOff2 = bankOffsets[2]; | |
int bOff3 = bankOffsets[3]; | |
for (y = 1; y < textureHeight; y++) { | |
xOffset = 0; | |
yBufferOffset = (yOffset >> 16) * scanLineStride; | |
for (x = 0; x < textureWidth; x++) { | |
bufferOffset = yBufferOffset + (xOffset >> 16) | |
* pixelStride; | |
tBuffer[adr] = iBuffer[bufferOffset + bOff0]; | |
tBuffer[adr+1] = iBuffer[bufferOffset + bOff1]; | |
tBuffer[adr+2] = iBuffer[bufferOffset + bOff2]; | |
tBuffer[adr+3] = iBuffer[bufferOffset + bOff3]; | |
xOffset += xScaleUnit; | |
adr += 4; | |
} | |
yOffset -= yScaleUnit; | |
} | |
} else { // RGB or BGR images | |
//int y; | |
//int x; | |
int bOff0 = bankOffsets[0]; | |
int bOff1 = bankOffsets[1]; | |
int bOff2 = bankOffsets[2]; | |
for (y = 1; y < textureHeight; y++) { | |
xOffset = 0; | |
yBufferOffset = (yOffset >> 16) * scanLineStride; | |
for (x = 0; x < textureWidth; x++) { | |
bufferOffset = yBufferOffset + (xOffset >> 16) | |
* pixelStride; | |
tBuffer[adr] = iBuffer[bufferOffset + bOff0]; | |
tBuffer[adr+1] = iBuffer[bufferOffset + bOff1]; | |
tBuffer[adr+2] = iBuffer[bufferOffset + bOff2]; | |
tBuffer[adr+3] = -1; // -1 signed = 255 unsigned | |
xOffset += xScaleUnit; | |
adr += 4; | |
} | |
yOffset -= yScaleUnit; | |
} | |
} | |
} else { | |
if (bankOffsets.length > 3) { // RGBA or ABGR images | |
int bOff0 = bankOffsets[0]; | |
int bOff1 = bankOffsets[1]; | |
int bOff2 = bankOffsets[2]; | |
int bOff3 = bankOffsets[3]; | |
for (y = 0; y < textureHeight; y++) { | |
xOffset = 0; | |
yBufferOffset = (yOffset >> 16) * scanLineStride; | |
for (x = 0; x < textureWidth; x++) { | |
bufferOffset = yBufferOffset + (xOffset >> 16) | |
* pixelStride; | |
tBuffer[adr] = iBuffer[bufferOffset + bOff0]; | |
tBuffer[adr+1] = iBuffer[bufferOffset + bOff1]; | |
tBuffer[adr+2] = iBuffer[bufferOffset + bOff2]; | |
tBuffer[adr+3] = iBuffer[bufferOffset + bOff3]; | |
xOffset += xScaleUnit; | |
adr += 4; | |
} | |
yOffset += yScaleUnit; | |
} | |
} else { // RGB or BGR images | |
//int y; | |
//int x; | |
int bOff0 = bankOffsets[0]; | |
int bOff1 = bankOffsets[1]; | |
int bOff2 = bankOffsets[2]; | |
for (y = 0; y < textureHeight; y++) { | |
xOffset = 0; | |
yBufferOffset = (yOffset >> 16) * scanLineStride; | |
for (x = 0; x < textureWidth; x++) { | |
bufferOffset = yBufferOffset + (xOffset >> 16) | |
* pixelStride; | |
tBuffer[adr] = iBuffer[bufferOffset + bOff0]; | |
tBuffer[adr+1] = iBuffer[bufferOffset + bOff1]; | |
tBuffer[adr+2] = iBuffer[bufferOffset + bOff2]; | |
tBuffer[adr+3] = -1; // -1 signed = 255 unsigned | |
xOffset += xScaleUnit; | |
adr += 4; | |
} | |
yOffset += yScaleUnit; | |
} | |
} | |
} | |
textureCompatibleBuffer.rewind(); | |
textureCompatibleBuffer.put(tBuffer, 0, tBuffer.length); | |
} | |
} | |
public void bind() { | |
GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId); | |
} | |
public ByteBuffer getTextureCompatibleBuffer() { | |
synchronized (this.syncObj) { | |
return (ByteBuffer) textureCompatibleBuffer.rewind(); | |
} | |
} | |
public synchronized void setTextureCompatibleBuffer( | |
ByteBuffer textureCompatibleBuffer) { | |
synchronized (this.syncObj) { | |
this.textureCompatibleBuffer = textureCompatibleBuffer; | |
} | |
} | |
public void update() { | |
updateTextureCompatibleBuffer(); | |
GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId); | |
textureCompatibleBuffer.rewind(); | |
GL11.glTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, 0, textureWidth, textureHeight, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, textureCompatibleBuffer); | |
} | |
} |