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95 lines
1.5 KiB
95 lines
1.5 KiB
package mightypork.rogue.display.constraints;
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import java.util.LinkedList;
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import mightypork.rogue.AppAccess;
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import mightypork.rogue.bus.ChildClient;
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import mightypork.utils.math.coord.Rect;
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public class ElementHolder extends ChildClient implements RenderContext, Renderable {
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private LinkedList<Renderable> elements = new LinkedList<Renderable>();
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private RenderContext context;
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public ElementHolder(AppAccess app) {
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super(app);
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}
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public ElementHolder(AppAccess app, RenderContext context) {
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super(app);
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this.context = context;
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}
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@Override
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public void setContext(RenderContext context)
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{
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this.context = context;
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}
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/**
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* Add element to the holder.
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*
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* @param elem
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*/
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public void add(Renderable elem)
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{
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if (elem == null) return;
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elem.setContext(this);
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elements.add(elem);
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addChildClient(elem);
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}
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/**
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* Add element to the holder.
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*
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* @param elem
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* @param constraint
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*/
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public void add(Renderable elem, RectConstraint constraint)
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{
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if (elem == null) return;
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constraint.setContext(this);
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elem.setContext(constraint);
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elements.add(elem);
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addChildClient(elem);
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}
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/**
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* Remove element from the holder
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*
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* @param elem
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*/
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public void remove(Renderable elem)
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{
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if (elem == null) return;
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elements.remove(elem);
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removeChildClient(elem);
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}
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@Override
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public void render()
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{
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for (Renderable element : elements) {
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element.render();
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}
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}
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@Override
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public Rect getRect()
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{
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return context.getRect();
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}
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}
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