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- add texture coordinate buffer updating to TextureAtlas

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9025 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
nor..67 2012-01-14 18:59:36 +00:00
parent 41d1b5996c
commit fddcbf6d6c
1 changed files with 43 additions and 27 deletions
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70
engine/src/tools/jme3tools/optimize/TextureAtlas.java
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@ -39,6 +39,7 @@ import com.jme3.texture.Texture;
import com.jme3.texture.Texture2D;
import com.jme3.util.BufferUtils;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.util.HashMap;
import java.util.Map;
import java.util.TreeMap;
@ -53,22 +54,17 @@ public class TextureAtlas {
private static final Logger logger = Logger.getLogger(TextureAtlas.class.getName());
private Map<String, byte[]> images;
private int width, height;
private Format format;
private int atlasWidth, atlasHeight;
private Format format = Format.ABGR8;
private Node root;
private Map<String, TextureLocation> locationMap;
private Map<String, TextureAtlasTile> locationMap;
private String rootMapName;
public TextureAtlas(int width, int height) {
this(Format.ABGR8, width, height);
}
public TextureAtlas(Format format, int width, int height) {
this.format = format;
this.width = width;
this.height = height;
this.atlasWidth = width;
this.atlasHeight = height;
root = new Node(0, 0, width, height);
locationMap = new TreeMap<String, TextureLocation>();
locationMap = new TreeMap<String, TextureAtlasTile>();
}
/**
@ -107,7 +103,7 @@ public class TextureAtlas {
if (sourceTextureName == null && !rootMapName.equals(mapName)) {
throw new IllegalStateException("Cannot add texture to new map without source texture");
}
TextureLocation location;
TextureAtlasTile location;
if (sourceTextureName == null) {
Node node = root.insert(image);
if (node == null) {
@ -133,7 +129,7 @@ public class TextureAtlas {
}
byte[] image = images.get(mapName);
if (image == null) {
image = new byte[width * height * 4];
image = new byte[atlasWidth * atlasHeight * 4];
images.put(mapName, image);
}
ByteBuffer sourceData = source.getData(0);
@ -141,7 +137,7 @@ public class TextureAtlas {
int width = source.getWidth();
for (int yPos = 0; yPos < height; yPos++) {
for (int xPos = 0; xPos < width; xPos++) {
int i = ((xPos + x) + (yPos + y) * this.width) * 4;
int i = ((xPos + x) + (yPos + y) * atlasWidth) * 4;
if (source.getFormat() == Format.ABGR8) {
int j = (xPos + yPos * width) * 4;
image[i] = sourceData.get(j); //a
@ -154,14 +150,14 @@ public class TextureAtlas {
image[i + 1] = sourceData.get(j); //b
image[i + 2] = sourceData.get(j + 1); //g
image[i + 3] = sourceData.get(j + 2); //r
}else{
} else {
logger.log(Level.WARNING, "Could not draw texture {0} ", mapName);
}
}
}
}
public TextureLocation getTextureLocation(String assetName) {
public TextureAtlasTile getAtlasTile(String assetName) {
return locationMap.get(assetName);
}
@ -171,19 +167,23 @@ public class TextureAtlas {
}
byte[] image = images.get(mapName);
if (image != null) {
return new Texture2D(new Image(format, width, height, BufferUtils.createByteBuffer(image)));
Texture2D tex = new Texture2D(new Image(format, atlasWidth, atlasHeight, BufferUtils.createByteBuffer(image)));
tex.setMagFilter(Texture.MagFilter.Bilinear);
tex.setMinFilter(Texture.MinFilter.BilinearNearestMipMap);
tex.setWrap(Texture.WrapMode.Repeat);
return tex;
}
return null;
}
private static class Node {
private class Node {
public TextureLocation location;
public TextureAtlasTile location;
public Node child[];
public Image image;
public Node(int x, int y, int width, int height) {
location = new TextureLocation(x, y, width, height);
location = new TextureAtlasTile(x, y, width, height);
child = new Node[2];
child[0] = null;
child[1] = null;
@ -234,14 +234,14 @@ public class TextureAtlas {
}
}
public static class TextureLocation {
public class TextureAtlasTile {
private int x;
private int y;
private int width;
private int height;
public TextureLocation(int x, int y, int width, int height) {
public TextureAtlasTile(int x, int y, int width, int height) {
this.x = x;
this.y = y;
this.width = width;
@ -249,13 +249,29 @@ public class TextureAtlas {
}
public Vector2f getLocation(Vector2f previousLocation) {
float x = (float) getX() / (float) width;
float y = (float) getY() / (float) height;
float w = (float) getWidth() / (float) width;
float h = (float) getHeight() / (float) height;
float x = (float) getX() / (float) atlasWidth;
float y = (float) getY() / (float) atlasHeight;
float w = (float) getWidth() / (float) atlasWidth;
float h = (float) getHeight() / (float) atlasHeight;
Vector2f location = new Vector2f(x, y);
Vector2f scale = new Vector2f(w, h);
return location.add(previousLocation.multLocal(scale));
return location.addLocal(previousLocation.multLocal(scale));
}
public void transformTextureCoords(FloatBuffer inBuf, int offset, FloatBuffer outBuf) {
Vector2f tex = new Vector2f();
// offset is given in element units
// convert to be in component units
offset *= 2;
for (int i = 0; i < inBuf.capacity() / 2; i++) {
tex.x = inBuf.get(i * 2 + 0);
tex.y = inBuf.get(i * 2 + 1);
Vector2f outLoc = getLocation(tex);
outBuf.put(offset + i * 2 + 0, outLoc.x);
outBuf.put(offset + i * 2 + 1, outLoc.y);
}
}
public int getX() {