Added a progress bar class for future use

src/ei/engine/effects/ProgressBar.java

@@ -0,0 +1,220 @@
+package ei.engine.effects;
+
+import java.awt.Rectangle;
+
+import ei.engine.LWJGLGameWindow;
+import ei.engine.math.Vector2f;
+import ei.engine.math.Vector3f;
+import ei.engine.scene.Entity;
+import ei.engine.scene.Sprite;
+
+/**
+ * This class is a progress meter
+ * 
+ * @author Ziver
+ *
+ */
+
+public class ProgressBar extends Entity{
+	// Temp things for the loadingbar
+	private int value;
+	private int max;
+	private int min;
+	// The textures
+	private Sprite bar;
+	private Sprite progress;
+	private Sprite background;
+	
+	public ProgressBar(String name){
+		super(name);
+		value = 0;
+		min = 0;
+		max = 100;
+	}
+	
+	/**
+	 * Set the texture for the bar
+	 * 
+	 * @param s The texture for the bar
+	 */
+	public void setBarTexture(Sprite s){
+		bar = s;
+	}
+	
+	/**
+	 * Set the texture for the progressbar
+	 * 
+	 * @param s The texture for the progressbar
+	 */
+	public void setProgressTexture(Sprite s){
+		progress = s;
+	}
+	
+	/**
+	 * Set the texture for the background
+	 * 
+	 * @param s The texture for the background
+	 */
+	public void setBackgroundTexture(Sprite s){
+		background = s;
+	}
+	
+	/**
+	 * Centers the bar to the screen
+	 *
+	 */
+	public void centerToScreen(){
+		setLocation(new Vector3f(
+				(LWJGLGameWindow.getWidth()/2),
+				(LWJGLGameWindow.getHeight()/2),0.0f));
+	}
+	
+	/**
+	 * set the location of this entity in pixels
+	 * 
+	 * @param l The location of the entity
+	 */
+	public void setLocation(Vector3f l) {
+		super.setLocation(l);
+		updateLocation();
+	}
+	
+	/**
+	 * set the location of this entity in pixels
+	 * 
+	 * @param l The location of the entity
+	 */
+	public void setLocation(Vector2f l) {
+		super.setLocation(l);
+		updateLocation();
+	}
+	
+	private void updateLocation(){
+		if(bar != null){
+			bar.setLocation(getLocation());
+		}
+		if(progress != null){
+			progress.setLocation(new Vector3f(
+					(LWJGLGameWindow.getWidth()/2)-progress.getWidth(),
+					(LWJGLGameWindow.getHeight()/2)+3,0.0f));
+		}
+		if(background != null){
+			background.setLocation(getLocation());
+		}
+	}
+	
+	/**
+	 * Sets the max value
+	 * 
+	 * @param max The max value
+	 */
+	public void setMax(int max){
+		this.max = max;
+		if(value > max){
+			value = max;
+		}
+	}
+	
+	/**
+	 * Returns the max value
+	 * 
+	 * @return The max value
+	 */
+	public int getMax(){
+		return max;
+	}
+	
+	/**
+	 * Set the value of progress
+	 * 
+	 * @param v The value of progress
+	 */
+	public void setValue(int v){
+		value = v;
+		if(min > value){
+			value = min;
+		}
+		if(value > max){
+			value = max;
+		}
+	}
+	
+	/**
+	 * Returns the value of the progress
+	 * 
+	 * @return The value of the progress
+	 */
+	public int getValue(){
+		return value;
+	}
+	
+	/**
+	 * Set the min value
+	 * 
+	 * @param m The min value
+	 */
+	public void setMin(int m){
+		min = m;
+		if(min > value){
+			value = min;
+		}
+	}
+	
+	/**
+	 * Returns the min value
+	 * 
+	 * @return The min value
+	 */
+	public int getMin(){
+		return min;
+	}
+	
+	/**
+	 * Returns the per cent of the progress
+	 * 
+	 * @return The per cent of the progress
+	 */
+	public int getProcent(){
+		return (int)(((float)(value-min)/(max-min))*100);
+	}
+	
+	/**
+	 * Updates the progressbar
+	 */
+	public void update(){
+		updateLocation();
+		if(background != null)background.update();
+		if(progress != null)progress.update();
+		if(bar != null)bar.update();
+	}
+	
+	/**
+	 * Render the load bar
+	 */
+	public void render() {
+		// Calculate the procentage
+		float procent = (float)(value-min)/(max-min);
+		//render the bar
+		if(background != null)background.render();
+		if(progress != null){
+			progress.setLocation(new Vector3f(
+					getLocation().getX()-progress.getWidth()+(progress.getWidth()*procent),
+					getLocation().getY()+6,0.0f));
+			progress.render();
+		}
+		if(bar != null)	bar.render();
+	}
+
+	@Override
+	public Rectangle getBound() {
+		if(bar != null){
+			return bar.getBound();
+		}
+		else if(progress != null){
+			return progress.getBound();
+		}
+		else{
+			return null;
+		}
+	}
+}