package com.galaxylionmc.renderoptimizer; import org.bukkit.Bukkit; import org.bukkit.Chunk; import org.bukkit.Location; import org.bukkit.entity.Entity; import org.bukkit.entity.LivingEntity; import org.bukkit.entity.Player; import org.bukkit.scheduler.BukkitTask; import org.bukkit.util.Vector; import java.util.*; public class VisibilityManager { private final RenderOptimizer plugin; private final Map playerVisibilities = new HashMap<>(); private final Set activeChunks = new HashSet<>(); private final Set activeEntities = new HashSet<>(); private BukkitTask updateTask; public VisibilityManager(RenderOptimizer plugin) { this.plugin = plugin; if (plugin.isEnabled()) { startUpdateTask(); } } public void startUpdateTask() { int interval = plugin.getConfig().getInt("visibility.update-interval", 20); updateTask = Bukkit.getScheduler().runTaskTimer(plugin, this::updateAllVisibilities, 0L, interval); } public void stopUpdateTask() { if (updateTask != null) { updateTask.cancel(); updateTask = null; } } private void updateAllVisibilities() { if (!plugin.isEnabled()) { return; } if (plugin.getConfig().getBoolean("performance.async-checks", true)) { Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> { for (Player player : Bukkit.getOnlinePlayers()) { updatePlayerVisibility(player); } }); } else { for (Player player : Bukkit.getOnlinePlayers()) { updatePlayerVisibility(player); } } } private void updatePlayerVisibility(Player player) { UUID uuid = player.getUniqueId(); PlayerVisibility visibility = playerVisibilities.computeIfAbsent(uuid, k -> new PlayerVisibility()); double maxDistance = plugin.getConfig().getDouble("visibility.max-distance", 96); double fovAngle = plugin.getConfig().getDouble("visibility.fov-angle", 100); visibility.update(player, maxDistance, fovAngle); updateActiveChunks(visibility); updateActiveEntities(visibility, player); } private void updateActiveChunks(PlayerVisibility visibility) { boolean unloadOutside = plugin.getConfig().getBoolean("chunks.unload-outside-vision", true); if (!unloadOutside) return; Set newActiveChunks = new HashSet<>(visibility.getVisibleChunks()); Set toUnload = new HashSet<>(activeChunks); toUnload.removeAll(newActiveChunks); activeChunks.clear(); activeChunks.addAll(newActiveChunks); for (Chunk chunk : toUnload) { if (chunk.isLoaded()) { chunk.unload(true); } } for (Chunk chunk : newActiveChunks) { if (!chunk.isLoaded()) { chunk.load(true); } } } private void updateActiveEntities(PlayerVisibility visibility, Player player) { boolean freezeOutside = plugin.getConfig().getBoolean("entities.freeze-outside-vision", true); boolean despawnOutside = plugin.getConfig().getBoolean("entities.despawn-outside-vision", false); Set newActiveEntities = new HashSet<>(visibility.getVisibleEntities()); Set toFreeze = new HashSet<>(activeEntities); toFreeze.removeAll(newActiveEntities); activeEntities.clear(); activeEntities.addAll(newActiveEntities); for (Entity entity : toFreeze) { if (freezeOutside && entity instanceof LivingEntity) { ((LivingEntity) entity).setAI(false); } if (despawnOutside && !(entity instanceof Player)) { entity.remove(); } } for (Entity entity : newActiveEntities) { if (entity instanceof LivingEntity livingEntity && !livingEntity.hasAI() && freezeOutside) { livingEntity.setAI(true); } } } public void removePlayer(Player player) { playerVisibilities.remove(player.getUniqueId()); } public void shutdown() { stopUpdateTask(); for (Chunk chunk : activeChunks) { if (!chunk.isLoaded()) { chunk.load(true); } } for (Entity entity : activeEntities) { if (entity instanceof LivingEntity livingEntity && !livingEntity.hasAI()) { livingEntity.setAI(true); } } } public Map getPlayerVisibilities() { return playerVisibilities; } public Set getActiveChunks() { return activeChunks; } public Set getActiveEntities() { return activeEntities; } }