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package ch.asynk.tankontank.engine;
import java.util.List;
import java.util.Iterator;
import java.util.ArrayDeque;
import com.badlogic.gdx.utils.Disposable;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.graphics.g2d.TextureAtlas;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.math.Vector2;
import ch.asynk.tankontank.engine.gfx.Drawable;
import ch.asynk.tankontank.engine.gfx.StackedImages;
public abstract class Tile implements Drawable, Disposable
{
private Vector2 center;
private StackedImages overlays;
private ArrayDeque<Pawn> stack;
public abstract int defenseFor(Pawn target, List<Pawn> foes);
public abstract int costFrom(Pawn pawn, Orientation side, boolean road);
public abstract boolean isOffMap();
public abstract boolean road(Orientation side);
public abstract boolean atLeastOneMove(Pawn pawn);
public abstract boolean blockLineOfSightFrom(Tile tile);
protected Tile()
{
}
public Tile(float x, float y, TextureAtlas atlas)
{
this.stack = null;
this.center = new Vector2(x, y);
this.overlays = new StackedImages(atlas);
this.overlays.centerOn(x, y);
}
@Override
public void dispose()
{
if(stack != null) stack.clear();
overlays.dispose();
}
public Vector2 getCenter()
{
return center;
}
public boolean isEmpty()
{
if (stack == null) return true;
return stack.isEmpty();
}
public Iterator<Pawn> getIterator()
{
return stack.iterator();
}
public int push(Pawn pawn)
{
if (stack == null) stack = new ArrayDeque<Pawn>();
stack.push(pawn);
return stack.size();
}
public int remove(Pawn pawn)
{
stack.remove(pawn);
return stack.size();
}
public Pawn getTopPawn()
{
if (isEmpty()) return null;
return stack.getFirst();
}
public boolean hasUnits()
{
if (isEmpty()) return false;
Iterator<Pawn> itr = getIterator();
while(itr.hasNext()) {
if (itr.next().isUnit())
return true;
}
return false;
}
public boolean hasTargetsFor(Pawn pawn)
{
if (isEmpty()) return false;
Iterator<Pawn> itr = getIterator();
while(itr.hasNext()) {
Pawn target = itr.next();
if (pawn.canAttack(target)) return true;
}
return false;
}
public boolean mustBeDrawn()
{
if (!isEmpty()) return true;
return hasOverlayEnabled();
}
public boolean disableOverlays()
{
overlays.disableAll();
return !isEmpty();
}
public boolean hasOverlayEnabled()
{
return overlays.isEnabled();
}
public boolean isOverlayEnabled(int i)
{
return overlays.isEnabled(i);
}
public boolean enableOverlay(int i, boolean enable)
{
overlays.enable(i, enable);
if (enable) return true;
return mustBeDrawn();
}
public boolean enableOverlay(int i, boolean enable, float r)
{
overlays.enable(i, enable);
overlays.rotate(i, r);
if (enable) return true;
return mustBeDrawn();
}
@Override
public void draw(Batch batch)
{
overlays.draw(batch);
Pawn pawn = getTopPawn();
if (pawn != null)
pawn.draw(batch);
}
@Override
public void drawDebug(ShapeRenderer debugShapes)
{
overlays.drawDebug(debugShapes);
Pawn pawn = getTopPawn();
if (pawn != null)
pawn.drawDebug(debugShapes);
}
}
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