package org.andengine.entity.sprite;
import java.nio.FloatBuffer;
import org.andengine.engine.camera.Camera;
import org.andengine.opengl.shader.PositionTextureCoordinatesUniformColorShaderProgram;
import org.andengine.opengl.shader.ShaderProgram;
import org.andengine.opengl.shader.constants.ShaderProgramConstants;
import org.andengine.opengl.texture.region.ITextureRegion;
import org.andengine.opengl.util.GLState;
import org.andengine.opengl.vbo.HighPerformanceVertexBufferObject;
import org.andengine.opengl.vbo.LowMemoryVertexBufferObject;
import org.andengine.opengl.vbo.VertexBufferObject.DrawType;
import org.andengine.opengl.vbo.VertexBufferObjectManager;
import org.andengine.opengl.vbo.attribute.VertexBufferObjectAttributes;
import org.andengine.opengl.vbo.attribute.VertexBufferObjectAttributesBuilder;
import android.opengl.GLES20;
/**
* (c) 2010 Nicolas Gramlich
* (c) 2011 Zynga Inc.
*
* @author Nicolas Gramlich
* @since 19:22:38 - 09.03.2010
*/
public class UniformColorSprite extends Sprite {
// ===========================================================
// Constants
// ===========================================================
public static final int VERTEX_INDEX_X = 0;
public static final int VERTEX_INDEX_Y = UniformColorSprite.VERTEX_INDEX_X + 1;
public static final int TEXTURECOORDINATES_INDEX_U = UniformColorSprite.VERTEX_INDEX_Y + 1;
public static final int TEXTURECOORDINATES_INDEX_V = UniformColorSprite.TEXTURECOORDINATES_INDEX_U + 1;
public static final int VERTEX_SIZE = 2 + 2;
public static final int VERTICES_PER_SPRITE = 4;
public static final int SPRITE_SIZE = UniformColorSprite.VERTEX_SIZE * UniformColorSprite.VERTICES_PER_SPRITE;
public static final VertexBufferObjectAttributes VERTEXBUFFEROBJECTATTRIBUTES_DEFAULT = new VertexBufferObjectAttributesBuilder(2)
.add(ShaderProgramConstants.ATTRIBUTE_POSITION_LOCATION, ShaderProgramConstants.ATTRIBUTE_POSITION, 2, GLES20.GL_FLOAT, false)
.add(ShaderProgramConstants.ATTRIBUTE_TEXTURECOORDINATES_LOCATION, ShaderProgramConstants.ATTRIBUTE_TEXTURECOORDINATES, 2, GLES20.GL_FLOAT, false)
.build();
// ===========================================================
// Fields
// ===========================================================
// ===========================================================
// Constructors
// ===========================================================
public UniformColorSprite(final float pX, final float pY, final ITextureRegion pTextureRegion, final VertexBufferObjectManager pVertexBufferObjectManager) {
this(pX, pY, pTextureRegion.getWidth(), pTextureRegion.getHeight(), pTextureRegion, pVertexBufferObjectManager, DrawType.STATIC);
}
public UniformColorSprite(final float pX, final float pY, final ITextureRegion pTextureRegion, final VertexBufferObjectManager pVertexBufferObjectManager, final ShaderProgram pShaderProgram) {
this(pX, pY, pTextureRegion.getWidth(), pTextureRegion.getHeight(), pTextureRegion, pVertexBufferObjectManager, DrawType.STATIC, pShaderProgram);
}
public UniformColorSprite(final float pX, final float pY, final ITextureRegion pTextureRegion, final VertexBufferObjectManager pVertexBufferObjectManager, final DrawType pDrawType) {
this(pX, pY, pTextureRegion.getWidth(), pTextureRegion.getHeight(), pTextureRegion, pVertexBufferObjectManager, pDrawType);
}
public UniformColorSprite(final float pX, final float pY, final ITextureRegion pTextureRegion, final VertexBufferObjectManager pVertexBufferObjectManager, final DrawType pDrawType, final ShaderProgram pShaderProgram) {
this(pX, pY, pTextureRegion.getWidth(), pTextureRegion.getHeight(), pTextureRegion, pVertexBufferObjectManager, pDrawType, pShaderProgram);
}
public UniformColorSprite(final float pX, final float pY, final ITextureRegion pTextureRegion, final IUniformColorSpriteVertexBufferObject pVertexBufferObject) {
this(pX, pY, pTextureRegion.getWidth(), pTextureRegion.getHeight(), pTextureRegion, pVertexBufferObject);
}
public UniformColorSprite(final float pX, final float pY, final ITextureRegion pTextureRegion, final IUniformColorSpriteVertexBufferObject pVertexBufferObject, final ShaderProgram pShaderProgram) {
this(pX, pY, pTextureRegion.getWidth(), pTextureRegion.getHeight(), pTextureRegion, pVertexBufferObject, pShaderProgram);
}
public UniformColorSprite(final float pX, final float pY, final float pWidth, final float pHeight, final ITextureRegion pTextureRegion, final VertexBufferObjectManager pVertexBufferObjectManager) {
this(pX, pY, pWidth, pHeight, pTextureRegion, pVertexBufferObjectManager, DrawType.STATIC);
}
public UniformColorSprite(final float pX, final float pY, final float pWidth, final float pHeight, final ITextureRegion pTextureRegion, final VertexBufferObjectManager pVertexBufferObjectManager, final ShaderProgram pShaderProgram) {
this(pX, pY, pWidth, pHeight, pTextureRegion, pVertexBufferObjectManager, DrawType.STATIC, pShaderProgram);
}
public UniformColorSprite(final float pX, final float pY, final float pWidth, final float pHeight, final ITextureRegion pTextureRegion, final VertexBufferObjectManager pVertexBufferObjectManager, final DrawType pDrawType) {
this(pX, pY, pWidth, pHeight, pTextureRegion, pVertexBufferObjectManager, pDrawType, PositionTextureCoordinatesUniformColorShaderProgram.getInstance());
}
public UniformColorSprite(final float pX, final float pY, final float pWidth, final float pHeight, final ITextureRegion pTextureRegion, final VertexBufferObjectManager pVertexBufferObjectManager, final DrawType pDrawType, final ShaderProgram pShaderProgram) {
this(pX, pY, pWidth, pHeight, pTextureRegion, new HighPerformanceUniformColorSpriteVertexBufferObject(pVertexBufferObjectManager, UniformColorSprite.SPRITE_SIZE, pDrawType, true, UniformColorSprite.VERTEXBUFFEROBJECTATTRIBUTES_DEFAULT), pShaderProgram);
}
public UniformColorSprite(final float pX, final float pY, final float pWidth, final float pHeight, final ITextureRegion pTextureRegion, final IUniformColorSpriteVertexBufferObject pUniformColorSpriteVertexBufferObject) {
this(pX, pY, pWidth, pHeight, pTextureRegion, pUniformColorSpriteVertexBufferObject, PositionTextureCoordinatesUniformColorShaderProgram.getInstance());
}
public UniformColorSprite(final float pX, final float pY, final float pWidth, final float pHeight, final ITextureRegion pTextureRegion, final IUniformColorSpriteVertexBufferObject pUniformColorSpriteVertexBufferObject, final ShaderProgram pShaderProgram) {
super(pX, pY, pWidth, pHeight, pTextureRegion, pUniformColorSpriteVertexBufferObject, pShaderProgram);
}
// ===========================================================
// Getter & Setter
// ===========================================================
// ===========================================================
// Methods for/from SuperClass/Interfaces
// ===========================================================
@Override
protected void preDraw(final GLState pGLState, final Camera pCamera) {
super.preDraw(pGLState, pCamera);
GLES20.glUniform4f(PositionTextureCoordinatesUniformColorShaderProgram.sUniformColorLocation, this.mColor.getRed(), this.mColor.getGreen(), this.mColor.getBlue(), this.mColor.getAlpha());
}
@Override
protected void draw(final GLState pGLState, final Camera pCamera) {
this.mSpriteVertexBufferObject.draw(GLES20.GL_TRIANGLE_STRIP, UniformColorSprite.VERTICES_PER_SPRITE);
}
// ===========================================================
// Methods
// ===========================================================
// ===========================================================
// Inner and Anonymous Classes
// ===========================================================
public static interface IUniformColorSpriteVertexBufferObject extends ISpriteVertexBufferObject {
// ===========================================================
// Constants
// ===========================================================
// ===========================================================
// Methods
// ===========================================================
}
public static class HighPerformanceUniformColorSpriteVertexBufferObject extends HighPerformanceVertexBufferObject implements IUniformColorSpriteVertexBufferObject {
// ===========================================================
// Constants
// ===========================================================
// ===========================================================
// Fields
// ===========================================================
// ===========================================================
// Constructors
// ===========================================================
public HighPerformanceUniformColorSpriteVertexBufferObject(final VertexBufferObjectManager pVertexBufferObjectManager, final int pCapacity, final DrawType pDrawType, final boolean pAutoDispose, final VertexBufferObjectAttributes pVertexBufferObjectAttributes) {
super(pVertexBufferObjectManager, pCapacity, pDrawType, pAutoDispose, pVertexBufferObjectAttributes);
}
// ===========================================================
// Getter & Setter
// ===========================================================
// ===========================================================
// Methods for/from SuperClass/Interfaces
// ===========================================================
@Override
public void onUpdateColor(final Sprite pSprite) {
/* Nothing to do, since color is applied as a uniform. */
}
@Override
public void onUpdateVertices(final Sprite pSprite) {
final float[] bufferData = this.mBufferData;
final float x = 0;
final float y = 0;
final float x2 = pSprite.getWidth(); // TODO Optimize with field access?
final float y2 = pSprite.getHeight(); // TODO Optimize with field access?
bufferData[0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_X] = x;
bufferData[0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_Y] = y;
bufferData[1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_X] = x;
bufferData[1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_Y] = y2;
bufferData[2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_X] = x2;
bufferData[2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_Y] = y;
bufferData[3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_X] = x2;
bufferData[3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_Y] = y2;
this.setDirtyOnHardware();
}
@Override
public void onUpdateTextureCoordinates(final Sprite pSprite) {
final float[] bufferData = this.mBufferData;
final ITextureRegion textureRegion = pSprite.getTextureRegion(); // TODO Optimize with field access?
final float u;
final float v;
final float u2;
final float v2;
if(pSprite.isFlippedVertical()) { // TODO Optimize with field access?
if(pSprite.isFlippedHorizontal()) { // TODO Optimize with field access?
u = textureRegion.getU2();
u2 = textureRegion.getU();
v = textureRegion.getV2();
v2 = textureRegion.getV();
} else {
u = textureRegion.getU();
u2 = textureRegion.getU2();
v = textureRegion.getV2();
v2 = textureRegion.getV();
}
} else {
if(pSprite.isFlippedHorizontal()) { // TODO Optimize with field access?
u = textureRegion.getU2();
u2 = textureRegion.getU();
v = textureRegion.getV();
v2 = textureRegion.getV2();
} else {
u = textureRegion.getU();
u2 = textureRegion.getU2();
v = textureRegion.getV();
v2 = textureRegion.getV2();
}
}
if(textureRegion.isRotated()) {
bufferData[0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U] = u2;
bufferData[0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V] = v;
bufferData[1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U] = u;
bufferData[1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V] = v;
bufferData[2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U] = u2;
bufferData[2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V] = v2;
bufferData[3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U] = u;
bufferData[3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V] = v2;
} else {
bufferData[0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U] = u;
bufferData[0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V] = v;
bufferData[1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U] = u;
bufferData[1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V] = v2;
bufferData[2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U] = u2;
bufferData[2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V] = v;
bufferData[3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U] = u2;
bufferData[3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V] = v2;
}
this.setDirtyOnHardware();
}
// ===========================================================
// Methods
// ===========================================================
// ===========================================================
// Inner and Anonymous Classes
// ===========================================================
}
public static class LowMemoryUniformColorSpriteVertexBufferObject extends LowMemoryVertexBufferObject implements IUniformColorSpriteVertexBufferObject {
// ===========================================================
// Constants
// ===========================================================
// ===========================================================
// Fields
// ===========================================================
// ===========================================================
// Constructors
// ===========================================================
public LowMemoryUniformColorSpriteVertexBufferObject(final VertexBufferObjectManager pVertexBufferObjectManager, final int pCapacity, final DrawType pDrawType, final boolean pAutoDispose, final VertexBufferObjectAttributes pVertexBufferObjectAttributes) {
super(pVertexBufferObjectManager, pCapacity, pDrawType, pAutoDispose, pVertexBufferObjectAttributes);
}
// ===========================================================
// Getter & Setter
// ===========================================================
// ===========================================================
// Methods for/from SuperClass/Interfaces
// ===========================================================
@Override
public void onUpdateColor(final Sprite pSprite) {
/* Nothing to do, since color is applied as a uniform. */
}
@Override
public void onUpdateVertices(final Sprite pSprite) {
final FloatBuffer bufferData = this.mFloatBuffer;
final float x = 0;
final float y = 0;
final float x2 = pSprite.getWidth(); // TODO Optimize with field access?
final float y2 = pSprite.getHeight(); // TODO Optimize with field access?
bufferData.put(0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_X, x);
bufferData.put(0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_Y, y);
bufferData.put(1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_X, x);
bufferData.put(1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_Y, y2);
bufferData.put(2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_X, x2);
bufferData.put(2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_Y, y);
bufferData.put(3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_X, x2);
bufferData.put(3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.VERTEX_INDEX_Y, y2);
this.setDirtyOnHardware();
}
@Override
public void onUpdateTextureCoordinates(final Sprite pSprite) {
final FloatBuffer bufferData = this.mFloatBuffer;
final ITextureRegion textureRegion = pSprite.getTextureRegion(); // TODO Optimize with field access?
final float u;
final float v;
final float u2;
final float v2;
if(pSprite.isFlippedVertical()) { // TODO Optimize with field access?
if(pSprite.isFlippedHorizontal()) { // TODO Optimize with field access?
u = textureRegion.getU2();
u2 = textureRegion.getU();
v = textureRegion.getV2();
v2 = textureRegion.getV();
} else {
u = textureRegion.getU();
u2 = textureRegion.getU2();
v = textureRegion.getV2();
v2 = textureRegion.getV();
}
} else {
if(pSprite.isFlippedHorizontal()) { // TODO Optimize with field access?
u = textureRegion.getU2();
u2 = textureRegion.getU();
v = textureRegion.getV();
v2 = textureRegion.getV2();
} else {
u = textureRegion.getU();
u2 = textureRegion.getU2();
v = textureRegion.getV();
v2 = textureRegion.getV2();
}
}
if(textureRegion.isRotated()) {
bufferData.put(0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U, u2);
bufferData.put(0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V, v);
bufferData.put(1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U, u);
bufferData.put(1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V, v);
bufferData.put(2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U, u2);
bufferData.put(2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V, v2);
bufferData.put(3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U, u);
bufferData.put(3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V, v2);
} else {
bufferData.put(0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U, u);
bufferData.put(0 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V, v);
bufferData.put(1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U, u);
bufferData.put(1 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V, v2);
bufferData.put(2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U, u2);
bufferData.put(2 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V, v);
bufferData.put(3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_U, u2);
bufferData.put(3 * UniformColorSprite.VERTEX_SIZE + UniformColorSprite.TEXTURECOORDINATES_INDEX_V, v2);
}
this.setDirtyOnHardware();
}
// ===========================================================
// Methods
// ===========================================================
// ===========================================================
// Inner and Anonymous Classes
// ===========================================================
}
}