Added a AnimatedSprite for sequensed textures

src/ei/engine/scene/AnimatedSprite.java

@@ -0,0 +1,167 @@
+package ei.engine.scene;
+
+import java.util.HashMap;
+
+import org.lwjgl.opengl.GL11;
+
+import ei.engine.texture.Texture;
+import ei.engine.texture.TextureLoader;
+
+/**
+ * Implementation of sprite that uses an OpenGL quad and a texture
+ * to render a given image to the screen.
+ * 
+ * @author Kevin Glass
+ * @author Brian Matzon
+ * @author Ziver Koc
+ */
+public class AnimatedSprite extends Entity {
+	/** The texture that stores the image for this sprite */
+	private HashMap<String,Texture[]> textures;
+	private String currentAnimation;
+	private int textureId;
+
+	/**
+	 * Create a new empty AnimatedSprite
+	 * 
+	 * @param window The window in which the sprite will be displayed
+	 * @param ref A reference to the image on which this sprite should be based
+	 */
+	public AnimatedSprite(String name) {
+		super(name);		
+		textures = new HashMap<String,Texture[]>();
+		currentAnimation = null;
+		textureId = -1;
+	}
+
+	/**
+	 * Adds a vector of textures to the AnimationSprite
+	 * 
+	 * @param name The name of the animation
+	 * @param t The vector of textures
+	 * @return true if successful else false
+	 */
+	public boolean addAnimation(String name, Texture[] t){
+		if(!textures.containsKey(name)){
+			textures.put(name,t);
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * Adds a vector of textures to the AnimationSprite
+	 * 
+	 * @param name The name of the animation
+	 * @param t The path to the textures
+	 * @return true if successful else false
+	 */
+	public boolean addAnimation(String name, String[] s){
+		Texture[] t = new Texture[s.length];
+		
+		for(int i=0; i<s.length ;i++){
+			t[i] = TextureLoader.getTextureLoaderInstance().getTexture(s[i]);
+		}
+		
+		return addAnimation(name,t);
+	}
+	
+	/**
+	 * Play an animation
+	 * 
+	 * @param name The name of the animation
+	 * @return true if the animation exists else false
+	 */
+	public boolean playAnimation(String name){
+		if(textures.containsKey(name)){
+			currentAnimation = name;
+			textureId = 0;
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * Get the width of the current animation of this sprite in pixels
+	 * 
+	 * @return The width of this sprite in pixels
+	 */
+	public int getWidth() {
+		if(textures.get(currentAnimation)[textureId] == null){
+			return 0;
+		}
+		return textures.get(currentAnimation)[textureId].getImageWidth();
+	}
+
+	/**
+	 * Get the height of the current animation of this sprite in pixels
+	 * 
+	 * @return The height of this sprite in pixels
+	 */
+	public int getHeight() {
+		if(textures.get(currentAnimation)[textureId] == null){
+			return 0;
+		}
+		return textures.get(currentAnimation)[textureId].getImageHeight();
+	}
+
+	/**
+	 * Draw the sprite
+	 */
+	public void render() {
+		if(currentAnimation != null){
+			// store the current model matrix
+			GL11.glPushMatrix();
+			//Reset The Current Modelview Matrix
+			GL11.glLoadIdentity();
+
+			//Sets the scale of the sprite
+			super.setScaleGL();
+			//Sets the location
+			super.setTranslationGL();
+			//the rotation
+			super.setRotationGL();
+			//and sets back the rotation so that the rotation pivot is the center of the sprite
+			super.setTranslationGL(
+					-textures.get(currentAnimation)[textureId].getImageWidth()/2,
+					-textures.get(currentAnimation)[textureId].getImageHeight()/2);
+
+			// bind to the appropriate texture for this sprite
+			textures.get(currentAnimation)[textureId].bindGL();
+			GL11.glColor3f(1,1,1);
+
+			// draw a quad textured to match the sprite
+			GL11.glBegin(GL11.GL_QUADS);
+			{
+				//Vertex at the upper left
+				GL11.glTexCoord2f(0, 0);
+				GL11.glVertex2f(0, 0);
+				//Vertex at the down left
+				GL11.glTexCoord2f(0, textures.get(currentAnimation)[textureId].getHeight());
+				GL11.glVertex2f(0, textures.get(currentAnimation)[textureId].getImageHeight());
+				//Vertex at the upper right
+				GL11.glTexCoord2f(
+						textures.get(currentAnimation)[textureId].getWidth(), 
+						textures.get(currentAnimation)[textureId].getHeight());
+				GL11.glVertex2f(
+						textures.get(currentAnimation)[textureId].getImageWidth(),
+						textures.get(currentAnimation)[textureId].getImageHeight());
+				//Vertex at the down right
+				GL11.glTexCoord2f(textures.get(currentAnimation)[textureId].getWidth(), 0);
+				GL11.glVertex2f(textures.get(currentAnimation)[textureId].getImageWidth(),0);
+			}
+			GL11.glEnd();
+
+
+			//Reset The Current Modelview Matrix
+			GL11.glLoadIdentity();
+			// restore the model view matrix to prevent contamination
+			GL11.glPopMatrix();
+			//goes to the next texture
+			textureId++;
+			if(textures.get(currentAnimation).length >= textureId){
+				textureId = 0;
+			}
+		}
+	}
+}

src/ei/engine/scene/Sprite.java

@@ -74,6 +74,10 @@ public class Sprite extends Entity {
 		return texture.getImageHeight();
 	}
 
+	protected void bindTexture(){
+		
+	}
+	
 	/**
 	 * Draw the sprite
 	 */