package org.newdawn.slick.state.transition;
import java.util.ArrayList;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.state.GameState;
import org.newdawn.slick.state.StateBasedGame;
/**
* A transition thats built of a set of other transitions which are chained
* together to build the overall effect.
*
* @author kevin
*/
public class CombinedTransition implements Transition {
/** The list of transitions to be combined */
private ArrayList transitions = new ArrayList();
/**
* Create an empty transition
*/
public CombinedTransition() {
}
/**
* Add a transition to the list that will be combined to form
* the final transition
*
* @param t The transition to add
*/
public void addTransition(Transition t) {
transitions.add(t);
}
/**
* @see org.newdawn.slick.state.transition.Transition#isComplete()
*/
public boolean isComplete() {
for (int i=0;i<transitions.size();i++) {
if (!((Transition) transitions.get(i)).isComplete()) {
return false;
}
}
return true;
}
/**
* @see org.newdawn.slick.state.transition.Transition#postRender(org.newdawn.slick.state.StateBasedGame, org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
*/
public void postRender(StateBasedGame game, GameContainer container, Graphics g) throws SlickException {
for (int i=transitions.size()-1;i>=0;i--) {
((Transition) transitions.get(i)).postRender(game, container, g);
}
}
/**
* @see org.newdawn.slick.state.transition.Transition#preRender(org.newdawn.slick.state.StateBasedGame, org.newdawn.slick.GameContainer, org.newdawn.slick.Graphics)
*/
public void preRender(StateBasedGame game, GameContainer container, Graphics g) throws SlickException {
for (int i=0;i<transitions.size();i++) {
((Transition) transitions.get(i)).postRender(game, container, g);
}
}
/**
* @see org.newdawn.slick.state.transition.Transition#update(org.newdawn.slick.state.StateBasedGame, org.newdawn.slick.GameContainer, int)
*/
public void update(StateBasedGame game, GameContainer container, int delta) throws SlickException {
for (int i=0;i<transitions.size();i++) {
Transition t = (Transition) transitions.get(i);
if (!t.isComplete()) {
t.update(game, container, delta);
}
}
}
public void init(GameState firstState, GameState secondState) {
for (int i = transitions.size() - 1; i >= 0; i--) {
((Transition)transitions.get(i)).init(firstState, secondState);
}
}
}