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BobbingScheduler.java
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BobbingScheduler.java
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package fi.natroutter.natlibs.handlers.bobbingscheduler;
import org.bukkit.Bukkit;
import org.bukkit.entity.Entity;
import org.bukkit.plugin.java.JavaPlugin;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Consumer;
public class BobbingScheduler {
private JavaPlugin plugin;
private int taskID;
private int delayedTaskID;
private ConcurrentHashMap<UUID, BobbingTask> tasks = new ConcurrentHashMap<>();
private ConcurrentHashMap<UUID, List<BobbingTask>> delayedTasks = new ConcurrentHashMap<>();
public BobbingScheduler(JavaPlugin plugin) {
this(plugin, 1L);
}
public BobbingScheduler(JavaPlugin plugin, long interval) {
this.plugin = plugin;
taskID = Bukkit.getScheduler().scheduleSyncRepeatingTask(plugin, ()-> {
if (tasks.size() > 0) {
tasks.forEach((id, task) -> task.tick());
}
},0L,interval);
delayedTaskID = Bukkit.getScheduler().scheduleSyncRepeatingTask(plugin, ()-> {
if (delayedTasks.size() > 0) {
delayedTasks.forEach((id, tasks) -> {
tasks.forEach(BobbingTask::tick);
});
}
},0L,interval);
}
public UUID schedule(Consumer<Double> height, double amplitude, double frequency) {
return schedule(height, amplitude, frequency, 0);
}
public UUID schedule(Consumer<Double> height, double amplitude, double frequency, long delay) {
UUID id = UUID.randomUUID();
schedule(new BobbingTask(height, amplitude, frequency, delay));
return id;
}
public UUID schedule(BobbingTask task) {
UUID id = UUID.randomUUID();
tasks.put(id, task);
return id;
}
public UUID scheduleDelayed(Map<?, BobbingTask> tasks, long delay) {
return scheduleDelayed(tasks.values(), delay);
}
public UUID scheduleDelayed(Collection<BobbingTask> tasks, long delay) {
UUID id = UUID.randomUUID();
long offset = 0;
List<BobbingTask> ntasks = new ArrayList<>();
for (BobbingTask task : tasks) {
ntasks.add(new BobbingTask(task.height, task.amplitude, task.frequency, offset));
offset = offset + delay;
}
delayedTasks.put(id, ntasks);
return id;
}
public void cancelTask(UUID id) {
if (id == null) return;
tasks.remove(id);
delayedTasks.remove(id);
}
public void terminate() {
Bukkit.getScheduler().cancelTask(taskID);
Bukkit.getScheduler().cancelTask(delayedTaskID);
tasks.clear();
delayedTasks.clear();
}
public static void bob(Entity ent, double y) {
ent.teleport(ent.getLocation().add(0,y,0));
}
}