@Override
public boolean pan(float x, float y, float deltaX, float deltaY) {
if (!this.disableDrag) {
region_of_interest_.Pan(deltaX, deltaY);
}
return true;
}
@Override
public boolean scrolled(int amount) {
if (this.disableDrag) {
return false;
}
Vector3 mouse_pos = this.unproject(new Vector3(Gdx.input.getX(), Gdx.input.getY(), 0));
return region_of_interest_.Zoom(mouse_pos.x, mouse_pos.y, amount * 25);
}
@Override
public boolean zoom(Vector2 screenLocus, float amount) {
if (this.disableDrag) {
return false;
}
Vector3 locus = this.unproject(new Vector3(screenLocus.x, screenLocus.y, 0));
return region_of_interest_.Zoom(locus.x, locus.y, amount * 0.5f);
}
@Override
public void render(float delta) {
super.render(delta);
int nextNodeIndex = -1;
// prepare text
kApplication.spriteBatch().begin();
{
this.background.draw(kApplication.spriteBatch());
}
kApplication.spriteBatch().end();
this.chessboard_renderer_.begin();
{
nextNodeIndex = game_path_.peek().render(region_of_interest_);
}
this.chessboard_renderer_.end();
kApplication.spriteBatch().begin();
{
hud.render(kApplication.spriteBatch(), delta);
}
kApplication.spriteBatch().end();
if (nextNodeIndex > -1) {
if (game_path_.size() > 1) {
// Cull grandchildren to deallocate memory
GraphSquare cur_top = game_path_.pop();
game_path_.peek().CullGrandChildrenExcept(cur_top);
game_path_.push(cur_top);
}
this.region_of_interest_.Reconstrain(
game_path_.peek().getChildVirtualPosition(nextNodeIndex));
game_path_.push(game_path_.peek().getChildNode(nextNodeIndex));
this.hud.pushMove(this.game_path_.peek().toString());
} else if (game_path_.size() > 1 && this.region_of_interest_.ZoomOutRequired()) {
GraphSquare previous = game_path_.pop();
region_of_interest_.Deconstrain(
game_path_.peek().getChildVirtualPosition(game_path_.peek().getChildIndex(previous)));
this.hud.popMove();
}
}