opsu-dance/src/awlex/ospu/movers/CombinedSpiralMover.java
2016-11-19 00:08:10 +01:00

136 lines
4.5 KiB
Java

package awlex.ospu.movers;
import awlex.ospu.FakeGameObject;
import itdelatrisu.opsu.Options;
import itdelatrisu.opsu.Utils;
import itdelatrisu.opsu.objects.GameObject;
import yugecin.opsudance.movers.Mover;
import yugecin.opsudance.movers.factories.AutoMoverFactory;
/**
* Created by Alex Wieser on 09.10.2016.
* WHO DO YOU THINK I AM?
* <p>
* This {@link Mover} exists for the sake of staying inbounds and is rarely instantiated.
* It creates 1 {@link FakeGameObject} between the 2 passed objects and then creates
* 2 inner {@link Mover}s around it. This class works recursively and might lead to
* high ram usage on very jumpy maps or even a StackOverFlow.
*/
public class CombinedSpiralMover extends Mover {
private Mover[] movers;
private GameObject fakeObject;
private int halfTime;
private int startTime;
private int endTime;
public CombinedSpiralMover(GameObject middle, GameObject start, GameObject end, int dir) {
super(start, end, dir);
fakeObject = middle != null ? middle : new FakeGameObject(start, end);
halfTime = fakeObject.getEndTime();
startTime = start.getEndTime();
endTime = end.getTime();
movers = new Mover[2];
movers[0] = bestPick(0, start, fakeObject, dir);
movers[1] = bestPick(1, fakeObject, end, dir);
}
public CombinedSpiralMover(GameObject start, GameObject end, int dir) {
this(null, start, end, dir);
}
/**
* Method to pick the 2 inner {@link Mover}s.
* Tries to pick a {@link SpiralToMover} first position and a
* {@link CombinedSpiralMover} for second position for the sake of good looks
*
* @param pos index of
* @param start start object
* @param end end object
* @param dir direction
* @return best fitting Mover
*/
private Mover bestPick(int pos, GameObject start, GameObject end, int dir) {
if (endTime - startTime < 10 || Utils.distance(start.end.x, start.end.y, end.start.x, end.start.y) < 40)
return new AutoMoverFactory().create(start, end, dir);
SpiralToMover spiralTo = new SpiralToMover(start, end, dir);
CentralSpiralMover center = new CentralSpiralMover(start, end, dir);
if (pos == 0) {
if (inBounds1(spiralTo) || inBounds1(spiralTo = new SpiralToMover(start, end, -dir)))
return spiralTo;
else if (inBounds1(center) || inBounds1(center = new CentralSpiralMover(start, end, -dir)))
return center;
} else if (pos == 1) {
if (inBounds2(center) || inBounds2(center = new CentralSpiralMover(start, end, -dir)))
return center;
else if (inBounds2(spiralTo = new SpiralToMover(start, end, -dir)) || inBounds2(spiralTo = new SpiralToMover(start, end, dir)))
return spiralTo;
} else throw new IllegalStateException("Only 2 inner Movers allowed");
return new CombinedSpiralMover(start, end, dir);
}
@Override
public double[] getPointAt(int time) {
if (time < halfTime)
return movers[0].getPointAt(time);
else if (time > halfTime)
return movers[1].getPointAt(time);
else return new double[]{
fakeObject.start.x,
fakeObject.start.y
};
}
@Override
public String getName() {
return "CombinedSpiralMover";
}
/**
* /**
* Check if the first object would be inbounds
*
* @param mover - the mover to check
* @return is mover always inbounds
*/
public boolean inBounds1(Mover mover) {
boolean ret = true;
int middle = halfTime - startTime;
for (int i = 1; ret && i < 15; i++) {
ret = checkBounds(mover.getPointAt(startTime + (middle * i) / 16));
//System.out.println("i: " + i + " = " + ret);
}
return ret;
}
/**
* /**
* Check if the second object would be inbounds
*
* @param mover - the mover to check
* @return is mover always inbounds
*/
private boolean inBounds2(Mover mover) {
boolean ret = true;
int middle = endTime - halfTime;
for (int i = 1; ret && i < 15; i++) {
ret = checkBounds(mover.getPointAt(startTime + (middle * i) / 16));
//System.out.println("i: " + i + " = " + ret);
}
return ret;
}
private boolean checkBounds(double[] pos) {
return 0 < pos[0] && pos[0] < Options.width && 0 < pos[1] && pos[1] < Options.height;
}
}