package org.andengine.entity.sprite;
import org.andengine.engine.camera.Camera;
import org.andengine.entity.shape.RectangularShape;
import org.andengine.entity.sprite.vbo.HighPerformanceSpriteVertexBufferObject;
import org.andengine.entity.sprite.vbo.ISpriteVertexBufferObject;
import org.andengine.opengl.shader.PositionColorTextureCoordinatesShaderProgram;
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.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 Sprite extends RectangularShape {
// ===========================================================
// Constants
// ===========================================================
public static final int VERTEX_INDEX_X = 0;
public static final int VERTEX_INDEX_Y = Sprite.VERTEX_INDEX_X + 1;
public static final int COLOR_INDEX = Sprite.VERTEX_INDEX_Y + 1;
public static final int TEXTURECOORDINATES_INDEX_U = Sprite.COLOR_INDEX + 1;
public static final int TEXTURECOORDINATES_INDEX_V = Sprite.TEXTURECOORDINATES_INDEX_U + 1;
public static final int VERTEX_SIZE = 2 + 1 + 2;
public static final int VERTICES_PER_SPRITE = 4;
public static final int SPRITE_SIZE = Sprite.VERTEX_SIZE * Sprite.VERTICES_PER_SPRITE;
public static final VertexBufferObjectAttributes VERTEXBUFFEROBJECTATTRIBUTES_DEFAULT = new VertexBufferObjectAttributesBuilder(3)
.add(ShaderProgramConstants.ATTRIBUTE_POSITION_LOCATION, ShaderProgramConstants.ATTRIBUTE_POSITION, 2, GLES20.GL_FLOAT, false)
.add(ShaderProgramConstants.ATTRIBUTE_COLOR_LOCATION, ShaderProgramConstants.ATTRIBUTE_COLOR, 4, GLES20.GL_UNSIGNED_BYTE, true)
.add(ShaderProgramConstants.ATTRIBUTE_TEXTURECOORDINATES_LOCATION, ShaderProgramConstants.ATTRIBUTE_TEXTURECOORDINATES, 2, GLES20.GL_FLOAT, false)
.build();
// ===========================================================
// Fields
// ===========================================================
protected final ITextureRegion mTextureRegion;
protected final ISpriteVertexBufferObject mSpriteVertexBufferObject;
protected boolean mFlippedVertical;
protected boolean mFlippedHorizontal;
// ===========================================================
// Constructors
// ===========================================================
public Sprite(final float pX, final float pY, final ITextureRegion pTextureRegion, final VertexBufferObjectManager pVertexBufferObjectManager) {
this(pX, pY, pTextureRegion.getWidth(), pTextureRegion.getHeight(), pTextureRegion, pVertexBufferObjectManager, DrawType.STATIC);
}
public Sprite(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 Sprite(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 Sprite(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 Sprite(final float pX, final float pY, final ITextureRegion pTextureRegion, final ISpriteVertexBufferObject pVertexBufferObject) {
this(pX, pY, pTextureRegion.getWidth(), pTextureRegion.getHeight(), pTextureRegion, pVertexBufferObject);
}
public Sprite(final float pX, final float pY, final ITextureRegion pTextureRegion, final ISpriteVertexBufferObject pVertexBufferObject, final ShaderProgram pShaderProgram) {
this(pX, pY, pTextureRegion.getWidth(), pTextureRegion.getHeight(), pTextureRegion, pVertexBufferObject, pShaderProgram);
}
public Sprite(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 Sprite(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 Sprite(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, PositionColorTextureCoordinatesShaderProgram.getInstance());
}
public Sprite(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 HighPerformanceSpriteVertexBufferObject(pVertexBufferObjectManager, Sprite.SPRITE_SIZE, pDrawType, true, Sprite.VERTEXBUFFEROBJECTATTRIBUTES_DEFAULT), pShaderProgram);
}
public Sprite(final float pX, final float pY, final float pWidth, final float pHeight, final ITextureRegion pTextureRegion, final ISpriteVertexBufferObject pSpriteVertexBufferObject) {
this(pX, pY, pWidth, pHeight, pTextureRegion, pSpriteVertexBufferObject, PositionColorTextureCoordinatesShaderProgram.getInstance());
}
public Sprite(final float pX, final float pY, final float pWidth, final float pHeight, final ITextureRegion pTextureRegion, final ISpriteVertexBufferObject pSpriteVertexBufferObject, final ShaderProgram pShaderProgram) {
super(pX, pY, pWidth, pHeight, pShaderProgram);
this.mTextureRegion = pTextureRegion;
this.mSpriteVertexBufferObject = pSpriteVertexBufferObject;
this.setBlendingEnabled(true);
this.initBlendFunction(pTextureRegion);
this.onUpdateVertices();
this.onUpdateColor();
this.onUpdateTextureCoordinates();
}
// ===========================================================
// Getter & Setter
// ===========================================================
public ITextureRegion getTextureRegion() {
return this.mTextureRegion;
}
public boolean isFlippedHorizontal() {
return this.mFlippedHorizontal;
}
public void setFlippedHorizontal(final boolean pFlippedHorizontal) {
if(this.mFlippedHorizontal != pFlippedHorizontal) {
this.mFlippedHorizontal = pFlippedHorizontal;
this.onUpdateTextureCoordinates();
}
}
public boolean isFlippedVertical() {
return this.mFlippedVertical;
}
public void setFlippedVertical(final boolean pFlippedVertical) {
if(this.mFlippedVertical != pFlippedVertical) {
this.mFlippedVertical = pFlippedVertical;
this.onUpdateTextureCoordinates();
}
}
public void setFlipped(final boolean pFlippedHorizontal, final boolean pFlippedVertical) {
if((this.mFlippedHorizontal != pFlippedHorizontal) || (this.mFlippedVertical != pFlippedVertical)) {
this.mFlippedHorizontal = pFlippedHorizontal;
this.mFlippedVertical = pFlippedVertical;
this.onUpdateTextureCoordinates();
}
}
// ===========================================================
// Methods for/from SuperClass/Interfaces
// ===========================================================
@Override
public ISpriteVertexBufferObject getVertexBufferObject() {
return this.mSpriteVertexBufferObject;
}
@Override
public void reset() {
super.reset();
this.initBlendFunction(this.getTextureRegion().getTexture());
}
@Override
protected void preDraw(final GLState pGLState, final Camera pCamera) {
super.preDraw(pGLState, pCamera);
this.getTextureRegion().getTexture().bind(pGLState);
this.mSpriteVertexBufferObject.bind(pGLState, this.mShaderProgram);
}
@Override
protected void draw(final GLState pGLState, final Camera pCamera) {
this.mSpriteVertexBufferObject.draw(GLES20.GL_TRIANGLE_STRIP, Sprite.VERTICES_PER_SPRITE);
}
@Override
protected void postDraw(final GLState pGLState, final Camera pCamera) {
this.mSpriteVertexBufferObject.unbind(pGLState, this.mShaderProgram);
super.postDraw(pGLState, pCamera);
}
@Override
protected void onUpdateVertices() {
this.mSpriteVertexBufferObject.onUpdateVertices(this);
}
@Override
protected void onUpdateColor() {
this.mSpriteVertexBufferObject.onUpdateColor(this);
}
protected void onUpdateTextureCoordinates() {
this.mSpriteVertexBufferObject.onUpdateTextureCoordinates(this);
}
// ===========================================================
// Methods
// ===========================================================
// ===========================================================
// Inner and Anonymous Classes
// ===========================================================
}