/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package AngryBirdsApplication;
import AngryBirdsCharacters.AngryBirdsBodyInfo;
import java.awt.Color;
import java.awt.Graphics2D;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.ImageIcon;
import org.jbox2d.callbacks.QueryCallback;
import org.jbox2d.collision.AABB;
import org.jbox2d.common.Vec2;
import org.jbox2d.dynamics.*;
import org.jbox2d.collision.shapes.*;
import org.jbox2d.dynamics.joints.*;
/**
*
* @author Sumomoxiao
*/
enum QueueItemType {
MouseDown, MouseMove, MouseUp, KeyPressed, KeyReleased
}
class QueueItem {
public QueueItemType type;
public Vec2 p;
public char c;
public int code;
public QueueItem(QueueItemType t, Vec2 pt) {
type = t;
p = pt;
}
}
class FixtureQueryCallback implements QueryCallback {
public final Vec2 point;
public Fixture fixture;
public FixtureQueryCallback() {
point = new Vec2();
fixture = null;
}
/**
* @see
* org.jbox2d.callbacks.QueryCallback#reportFixture(org.jbox2d.dynamics.Fixture)
*/
public boolean reportFixture(Fixture argFixture) {
Body body = argFixture.getBody();
if (body.getType() == BodyType.DYNAMIC) {
boolean inside = argFixture.testPoint(point);
if (inside) {
fixture = argFixture;
return false;
}
}
return true;
}
}
public abstract class AngryBirdsArea {
private MouseJoint mouseJoint;
private Vec2 mouseWorld = new Vec2();
public final World sworld;
private final Vec2 gravity;
public Vec2 slingAnchor;
public ArrayList<Body> birdlist;
public ArrayList<Body> oblist;
public ArrayList<Body> piglist, sling;
public WeldJoint attach;
public WeldJointDef attachDef;
public Body ground;
public float scale = 1 / 64f;
float timeStep = 1.0f / 60.0f;
int velocityIterations = 6;
int positionIterations = 2;
public int birdbullets;
private final LinkedList<QueueItem> inputQueue;
public AngryBirdsArea() {
gravity = new Vec2(0, -10f);
inputQueue = new LinkedList<QueueItem>();
sworld = new World(gravity, true);
birdlist = new ArrayList<Body>();
oblist = new ArrayList<Body>();
piglist = new ArrayList<Body>();
sling = new ArrayList<Body>();
slingAnchor = new Vec2();
}
abstract public void initStage();
long endtime = 0;
long duration = 0; //duration of release the bird;
long descountdown = 0;
public void step() {
sworld.step(timeStep, velocityIterations, positionIterations);
if (mouseJoint == null && attach == null) {
endtime = System.currentTimeMillis();
duration = (endtime - releasetime) / 1000;
}
if (duration > 3 && attach == null) {
if(birdbullets<=birdlist.size()) {
birdlist.get(birdbullets).setTransform(slingAnchor, 0);
attachDef.bodyB = birdlist.get(birdbullets);
attach = (WeldJoint) this.getWorld().createJoint(attachDef);
duration = 0;
}
}
/*
for(int i=0;i<birdlist.size();i++) {
if(!birdlist.get(i).isAwake())
getWorld().destroyBody(birdlist.get(i));
birdlist.remove(i);
}
*
*/
}
public ArrayList<Body> getBirds() {
return birdlist;
}
public ArrayList<Body> getObstacles() {
return oblist;
}
public ArrayList<Body> getPigs() {
return piglist;
}
public World getWorld() {
return sworld;
}
public Body getGround() {
return ground;
}
public void setGravity(Vec2 gra) {
sworld.setGravity(gra);
}
public boolean isMouseJointNull() {
if(mouseJoint == null)
return true;
return false;
}
public void update() {
if (!inputQueue.isEmpty()) {
synchronized (inputQueue) {
while (!inputQueue.isEmpty()) {
QueueItem i = inputQueue.pop();
switch (i.type) {
case MouseDown:
mouseDown(i.p);
break;
case MouseMove:
mouseMove(i.p);
break;
case MouseUp:
mouseUp(i.p);
break;
}
}
}
}
step();
}
/**
* Called for mouse-up
*
* @param p
*/
long releasetime = 0;
public void mouseUp(Vec2 p) {
float length = 0;
Vec2 pos = new Vec2();
pos = p.sub(slingAnchor);
length = pos.length();
if (length > 3) {
pos.x /= length / 3;
pos.y /= length / 3;
p = pos;
}
if (mouseJoint != null) {
mouseJoint.m_bodyB.setFixedRotation(false);
mouseJoint.m_bodyB.setLinearVelocity(pos.negate().mul(7.5f)); //release and shoot!
sworld.destroyJoint(mouseJoint);
mouseJoint = null;
if(birdbullets<birdlist.size()-1)
birdbullets++;
releasetime = System.currentTimeMillis();
}
/*
* if (bombSpawning) { completeBombSpawn(p); }
*
*/
}
private final AABB queryAABB = new AABB();
private final FixtureQueryCallback callback = new FixtureQueryCallback();
/**
* Called for mouse-down
*
* @param p
*/
public void mouseDown(Vec2 p) {
mouseWorld.set(p);
if (mouseJoint != null) {
return;
}
queryAABB.lowerBound.set(p.x - .001f, p.y - .001f);
queryAABB.upperBound.set(p.x + .001f, p.y + .001f);
callback.point.set(p);
callback.fixture = null;
sworld.queryAABB(callback, queryAABB);
if (callback.fixture != null && callback.fixture.m_filter.groupIndex == -1) {
if (attach != null) {
sworld.destroyJoint(attach);
attach = null;
}
Body body = callback.fixture.getBody();
MouseJointDef def = new MouseJointDef();
def.bodyA = ground;
def.bodyB = body;
def.target.set(p);
def.maxForce = 1000f * body.getMass();
body.setFixedRotation(true);//NOTE!!!!!!!!!!!!!!!!!
mouseJoint = (MouseJoint) sworld.createJoint(def);
body.setAwake(true);
}
}
/**
* Process MouseEvent.
*
* @param p,length
*/
Vec2 length;
public void mouseMove(Vec2 p) {
mouseWorld.set(p);
Vec2 force = p.sub(slingAnchor);
float ol = force.length();
if (force.length() > 3f) {
force.x /= ol / 3;
force.y /= ol / 3;
force.addLocal(slingAnchor);
p = force;
}
if (mouseJoint != null) {
mouseJoint.setTarget(p);
}
}
public void queueMouseUp(Vec2 p) {
synchronized (inputQueue) {
inputQueue.addLast(new QueueItem(QueueItemType.MouseUp, p));
}
}
public void queueMouseDown(Vec2 p) {
synchronized (inputQueue) {
inputQueue.addLast(new QueueItem(QueueItemType.MouseDown, p));
}
}
public void queueMouseMove(Vec2 p) {
synchronized (inputQueue) {
inputQueue.addLast(new QueueItem(QueueItemType.MouseMove, p));
}
}
}
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