64 lines
1.8 KiB
Java
64 lines
1.8 KiB
Java
package tc.oc.pgm.bossbar;
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import java.util.Collections;
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import java.util.Optional;
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import java.util.Set;
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import net.md_5.bungee.api.chat.BaseComponent;
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import org.bukkit.boss.BarColor;
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import org.bukkit.boss.BarFlag;
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import org.bukkit.boss.BarStyle;
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import org.bukkit.entity.Player;
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/**
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* A retained UI component that renders text and a health amount to the boss bar
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*/
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public interface BossBarSource {
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/**
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* Return the content to display to the given viewer, or empty to hide the bar for that viewer.
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*
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* This is the only method called by the underlying system. The default implementation
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* constructs a result from other methods in this interface.
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*/
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default Optional<BossBarContent> barContent(Player viewer) {
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return isVisible(viewer) ? Optional.of(BossBarContent.of(barText(viewer), barProgress(viewer)))
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: Optional.empty();
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}
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/**
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* Is this bar currently visible? This is called before every render,
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* and if it returns false, the bar will be completely ignored.
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*/
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default boolean isVisible(Player viewer) {
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return true;
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}
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/**
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* Called at render time to get the text to display in the bar.
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*/
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default BaseComponent barText(Player viewer) {
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throw new UnsupportedOperationException();
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}
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/**
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* Called at render time to get the amount of health to display in the bar.
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* Valid range is 0 (no health) to 1 (full health).
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*/
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default float barProgress(Player viewer) {
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throw new UnsupportedOperationException();
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}
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default BarColor barColor(Player viewer) {
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return BarColor.BLUE;
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}
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default BarStyle barStyle(Player viewer) {
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return BarStyle.SOLID;
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}
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default Set<BarFlag> barFlags(Player viewer) {
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return Collections.emptySet();
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}
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}
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