From ec551064c4d7e77942f1bac5ef7feddd5b2225fe Mon Sep 17 00:00:00 2001
From: Ziver Koc <ziver@koc.se>
Date: Mon, 26 Mar 2007 16:05:19 +0000
Subject: [PATCH] Added a AnimatedSprite for sequensed textures

---
 .project                                |   2 +
 log.txt                                 |   7 +-
 src/ei/engine/scene/AnimatedSprite.java | 167 ++++++++++++++++++++++++
 src/ei/engine/scene/Sprite.java         |   4 +
 4 files changed, 174 insertions(+), 6 deletions(-)
 create mode 100644 src/ei/engine/scene/AnimatedSprite.java

diff --git a/.project b/.project
index 24223ce..faf4826 100644
--- a/.project
+++ b/.project
@@ -12,6 +12,8 @@
 		</buildCommand>
 	</buildSpec>
 	<natures>
+		<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.jem.beaninfo.BeanInfoNature</nature>
 	</natures>
 </projectDescription>
diff --git a/log.txt b/log.txt
index 8f13d32..edaaa6b 100644
--- a/log.txt
+++ b/log.txt
@@ -1,6 +1 @@
-2007-03-21 22:49:30:390 # Loading texture: data/units/tank.png
-2007-03-21 22:49:31:187 # Loading texture: data/particle.bmp
-2007-03-21 22:49:31:421 # Loading sound: data/sounds/test.wav
-2007-03-21 22:49:31:437 # Sound sources: quantity=0
-2007-03-21 22:49:31:437 # Stoping sound: source=0
-2007-03-21 22:49:31:437 # Playing sound: source=0 buffer=261490744
+2007-03-26 16:59:28:234 # Loading texture: data/particle.bmp
diff --git a/src/ei/engine/scene/AnimatedSprite.java b/src/ei/engine/scene/AnimatedSprite.java
new file mode 100644
index 0000000..d995a46
--- /dev/null
+++ b/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;
+			}
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/ei/engine/scene/Sprite.java b/src/ei/engine/scene/Sprite.java
index 93529b1..8a9a09b 100644
--- a/src/ei/engine/scene/Sprite.java
+++ b/src/ei/engine/scene/Sprite.java
@@ -74,6 +74,10 @@ public class Sprite extends Entity {
 		return texture.getImageHeight();
 	}
 
+	protected void bindTexture(){
+		
+	}
+	
 	/**
 	 * Draw the sprite
 	 */