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64 lines
1.6 KiB
64 lines
1.6 KiB
package mightypork.rogue.screens.game;
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import mightypork.gamecore.core.App;
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import mightypork.gamecore.gui.components.BaseComponent;
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import mightypork.gamecore.resources.textures.TxQuad;
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import mightypork.utils.math.AlignX;
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import mightypork.utils.math.constraints.num.Num;
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import mightypork.utils.math.constraints.num.var.NumVar;
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import mightypork.utils.math.constraints.rect.Rect;
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public class HeartBar extends BaseComponent {
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private final TxQuad img_on;
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private final TxQuad img_off;
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private final TxQuad img_half;
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private final Num total;
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private final Num active;
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private final NumVar index = new NumVar(0);
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private final Rect heart;
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public HeartBar(Num total, Num active, TxQuad img_on, TxQuad img_half, TxQuad img_off, AlignX align) {
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super();
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this.total = total;
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this.active = active;
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this.img_on = img_on;
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this.img_off = img_off;
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this.img_half = img_half;
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final Num h = height();
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final Num w = width();
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switch (align) {
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case LEFT:
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heart = leftEdge().growRight(h).moveX(index.mul(h));
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break;
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case RIGHT:
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heart = rightEdge().growLeft(h).moveX(h.mul(Num.ONE.sub(total)).add(index.mul(h)));
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break;
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case CENTER:
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heart = leftEdge().moveX(w.half().add(h.mul(total.half().neg()))).growRight(h).moveX(index.mul(h));
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break;
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default:
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heart = null; // impossible
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}
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}
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@Override
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protected void renderComponent()
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{
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for (int i = 0; i < total.value(); i++) {
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index.setTo(i);
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final double rem = active.value() - i;
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App.gfx().quad(heart, (rem > 0.6 ? img_on : rem > 0.25 ? img_half : img_off));
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}
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}
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}
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