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package ch.asynk.tankontank.game;
import com.badlogic.gdx.Gdx;
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.g2d.TextureRegion;
import com.badlogic.gdx.math.Rectangle;
import ch.asynk.tankontank.engine.gfx.Image;
import ch.asynk.tankontank.TankOnTank;
class Button implements Disposable
{
int idx;
private Image images [];
private Image image;
private static final int OFF = 0;
private static final int ON = 1;
private static final int DISABLED = 2;
public Button(TextureAtlas atlas, String base)
{
this.idx = OFF;
this.images = new Image[3];
this.images[OFF] = new Image(atlas.findRegion(base + "-off"));
this.images[ON] = new Image(atlas.findRegion(base + "-on"));
this.images[DISABLED] = new Image(atlas.findRegion(base + "-disabled"));
}
public void setOff()
{
idx = OFF;
}
public void setOn()
{
idx = ON;
}
public void disable()
{
idx = DISABLED;
}
public Image getImage()
{
return images[idx];
}
public boolean isDisabled()
{
return (idx == DISABLED);
}
public void setPosition(float x, float y)
{
images[OFF].setPosition(x, y);
images[ON].setPosition(x, y);
images[DISABLED].setPosition(x, y);
}
public boolean hit(float x, float y)
{
return ((x > images[0].getX()) && (x < images[0].getX() + images[0].getWidth()) && (y > images[0].getY()) && (y < images[0].getY() + images[0].getHeight()));
}
@Override
public void dispose()
{
images[OFF].dispose();
images[ON].dispose();
images[DISABLED].dispose();
}
public float getX() { return images[0].getX(); }
public float getY() { return images[0].getY(); }
public float getWidth() { return images[0].getWidth(); }
public float getHeight() { return images[0].getHeight(); }
}
public class Hud implements Disposable
{
private final TankOnTank game;
private final GameCtrl ctrl;
private Image usFlag;
private Image geFlag;
private Image flag;
private Button moveBtn;
private Button rotateBtn;
private Button attackBtn;
private Button checkBtn;
private Button cancelBtn;
private Rectangle rect;
private float elapsed;
public Hud(final GameCtrl ctrl, final TankOnTank game)
{
this.game = game;
this.ctrl = ctrl;
TextureAtlas atlas = game.manager.get("data/assets.atlas", TextureAtlas.class);
usFlag = new Image(atlas.findRegion("us-flag"));
geFlag = new Image(atlas.findRegion("ge-flag"));
moveBtn = new Button(atlas, "btn-move");
rotateBtn = new Button(atlas, "btn-rotate");
attackBtn = new Button(atlas, "btn-attack");
checkBtn = new Button(atlas, "btn-check");
cancelBtn = new Button(atlas, "btn-cancel");
flag = usFlag;
int left = Gdx.graphics.getWidth() - 5;
usFlag.setPosition((left - flag.getWidth()), (Gdx.graphics.getHeight() - flag.getHeight() - 5));
geFlag.setPosition(flag.getX(), flag.getY());
moveBtn.setPosition((left - moveBtn.getWidth()), ( flag.getY() - moveBtn.getHeight() - 5));
rotateBtn.setPosition((left - rotateBtn.getWidth()), ( moveBtn.getY() - rotateBtn.getHeight() - 5));
attackBtn.setPosition((left - attackBtn.getWidth()), ( rotateBtn.getY() - attackBtn.getHeight() - 5));
checkBtn.setPosition((left - checkBtn.getWidth()), ( attackBtn.getY() - checkBtn.getHeight() - 5));
cancelBtn.setPosition((left - cancelBtn.getWidth()), ( checkBtn.getY() - cancelBtn.getHeight() - 5));
cancelBtn.disable();
checkBtn.disable();
rect = new Rectangle(cancelBtn.getX(), cancelBtn.getY(), flag.getWidth(),
(flag.getY() + flag.getHeight() - cancelBtn.getY()));
elapsed = 0f;
}
@Override
public void dispose()
{
usFlag.dispose();
geFlag.dispose();
moveBtn.dispose();
rotateBtn.dispose();
attackBtn.dispose();
checkBtn.dispose();
cancelBtn.dispose();
}
public void animate(float delta)
{
elapsed += delta;
if (elapsed > 5f) {
elapsed = 0f;
flag = ((flag == usFlag) ? geFlag : usFlag);
}
}
public void draw(Batch batch)
{
flag.draw(batch);
moveBtn.getImage().draw(batch);
rotateBtn.getImage().draw(batch);
attackBtn.getImage().draw(batch);
checkBtn.getImage().draw(batch);
cancelBtn.getImage().draw(batch);
}
public void reset()
{
moveBtn.setOff();
rotateBtn.setOff();
attackBtn.setOff();
checkBtn.disable();
cancelBtn.disable();
}
public void disableCancel()
{
cancelBtn.disable();
}
public void enableCheck()
{
cancelBtn.setOff();
}
public boolean touchDown(float x, float y)
{
if (!rect.contains(x,y)) return false;
if (!cancelBtn.isDisabled() && cancelBtn.hit(x, y)) {
cancelBtn.setOn();
}
return true;
}
public boolean touchUp(float x, float y)
{
if (!rect.contains(x,y)) return false;
if (!ctrl.isInAction()) {
if (moveBtn.hit(x, y)) {
switchTo(GameState.State.MOVE);
} else if (rotateBtn.hit(x, y)) {
switchTo(GameState.State.ROTATE);
} else if (attackBtn.hit(x, y)) {
// switchTo(GameState.State.ATTACK);
}
}
if (!cancelBtn.isDisabled() && cancelBtn.hit(x, y)) {
reset();
ctrl.abort();
}
return true;
}
private void switchTo(GameState.State state)
{
switch(state) {
case MOVE:
moveBtn.setOn();
rotateBtn.disable();
attackBtn.disable();
break;
case ROTATE:
moveBtn.disable();
rotateBtn.setOn();
attackBtn.disable();
break;
}
cancelBtn.setOff();
ctrl.setState(state);
}
}
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