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145 changes: 145 additions & 0 deletions
145
src/main/java/bentobox/addon/limits/listeners/EntityLimitListener.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| package bentobox.addon.limits.listeners; | ||
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| import org.bukkit.entity.Entity; | ||
| import org.bukkit.entity.Player; | ||
| import org.bukkit.event.EventHandler; | ||
| import org.bukkit.event.EventPriority; | ||
| import org.bukkit.event.Listener; | ||
| import org.bukkit.event.entity.CreatureSpawnEvent; | ||
| import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason; | ||
| import org.bukkit.event.vehicle.VehicleCreateEvent; | ||
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| import bentobox.addon.limits.Limits; | ||
| import world.bentobox.bentobox.api.user.User; | ||
| import world.bentobox.bentobox.database.objects.Island; | ||
| import world.bentobox.bentobox.util.Util; | ||
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| public class EntityLimitListener implements Listener { | ||
| private final Limits addon; | ||
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| /** | ||
| * Handles entity and natural limitations | ||
| * @param addon - Limits object | ||
| */ | ||
| public EntityLimitListener(Limits addon) { | ||
| this.addon = addon; | ||
| } | ||
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|
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| /** | ||
| * Handles minecart placing | ||
| * @param e - event | ||
| */ | ||
| @EventHandler(priority = EventPriority.LOW, ignoreCancelled = true) | ||
| public void onMinecart(VehicleCreateEvent e) { | ||
| // Return if not in a known world | ||
| if (!addon.getPlugin().getIWM().inWorld(e.getVehicle().getWorld())) { | ||
| return; | ||
| } | ||
| if (addon.getSettings().getLimits().containsKey(e.getVehicle().getType())) { | ||
| // If someone in that area has the bypass permission, allow the spawning | ||
| for (Entity entity : e.getVehicle().getLocation().getWorld().getNearbyEntities(e.getVehicle().getLocation(), 5, 5, 5)) { | ||
| if (entity instanceof Player) { | ||
| Player player = (Player)entity; | ||
| boolean bypass = (player.isOp() || player.hasPermission(addon.getPlugin().getIWM().getPermissionPrefix(e.getVehicle().getWorld()) + "mod.bypass")); | ||
| // Check island | ||
| addon.getIslands().getProtectedIslandAt(e.getVehicle().getLocation()).ifPresent(island -> { | ||
| // Ignore spawn | ||
| if (island.isSpawn()) { | ||
| return; | ||
| } | ||
| // Check if the player is at the limit | ||
| if (atLimit(island, bypass, e.getVehicle())) { | ||
| e.setCancelled(true); | ||
| for (Entity ent : e.getVehicle().getLocation().getWorld().getNearbyEntities(e.getVehicle().getLocation(), 5, 5, 5)) { | ||
| if (ent instanceof Player) { | ||
| ((Player) ent).updateInventory(); | ||
| User.getInstance(ent).sendMessage("limits.hit-limit", "[material]", | ||
| Util.prettifyText(e.getVehicle().getType().toString()) | ||
| ,"[number]", String.valueOf(addon.getSettings().getLimits().get(e.getVehicle().getType()))); | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| @EventHandler(priority = EventPriority.LOW, ignoreCancelled = true) | ||
| public void onCreatureSpawn(final CreatureSpawnEvent e) { | ||
| // Return if not in a known world | ||
| if (!addon.getPlugin().getIWM().inWorld(e.getLocation())) { | ||
| return; | ||
| } | ||
| if (!addon.getSettings().getLimits().containsKey(e.getEntityType())) { | ||
| // Unknown entity limit or unlimited | ||
| return; | ||
| } | ||
| boolean bypass = false; | ||
| // Check why it was spawned | ||
| switch (e.getSpawnReason()) { | ||
| // These reasons are due to a player being involved (usually) so there may be a bypass | ||
| case BREEDING: | ||
| case BUILD_IRONGOLEM: | ||
| case BUILD_SNOWMAN: | ||
| case BUILD_WITHER: | ||
| case CURED: | ||
| case EGG: | ||
| case SPAWNER_EGG: | ||
| // If someone in that area has the bypass permission, allow the spawning | ||
| for (Entity entity : e.getLocation().getWorld().getNearbyEntities(e.getLocation(), 5, 5, 5)) { | ||
| if (entity instanceof Player) { | ||
| Player player = (Player)entity; | ||
| if (player.isOp() || player.hasPermission(addon.getPlugin().getIWM().getPermissionPrefix(e.getEntity().getWorld()) + "mod.bypass")) { | ||
| bypass = true; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| break; | ||
| default: | ||
| // Other natural reasons | ||
| break; | ||
| } | ||
| // Tag the entity with the island spawn location | ||
| checkLimit(e, bypass); | ||
|
|
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| } | ||
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| private void checkLimit(CreatureSpawnEvent e, boolean bypass) { | ||
| addon.getIslands().getIslandAt(e.getLocation()).ifPresent(island -> { | ||
| // Check if creature is allowed to spawn or not | ||
| if (!island.isSpawn() && atLimit(island, bypass, e.getEntity())) { | ||
| // Not allowed | ||
| e.setCancelled(true); | ||
| // If the reason is anything but because of a spawner then tell players within range | ||
| if (!e.getSpawnReason().equals(SpawnReason.SPAWNER)) { | ||
| for (Entity ent : e.getLocation().getWorld().getNearbyEntities(e.getLocation(), 5, 5, 5)) { | ||
| if (ent instanceof Player) { | ||
| User.getInstance(ent).sendMessage("limits.hit-limit", "[material]", | ||
| Util.prettifyText(e.getEntityType().toString()), | ||
| "[number]", String.valueOf(addon.getSettings().getLimits().get(e.getEntityType()))); | ||
| } | ||
| } | ||
| } | ||
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| } | ||
| }); | ||
|
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| } | ||
|
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| /** | ||
| * Checks if new entities can be added to island | ||
| * @param island - island | ||
| * @param bypass - true if this is being done by a player with authorization to bypass limits | ||
| * @param ent - the entity | ||
| * @return true if at the limit, false if not | ||
| */ | ||
| private boolean atLimit(Island island, boolean bypass, Entity ent) { | ||
| return addon.getSettings().getLimits().getOrDefault(ent.getType(), -1) <= ent.getWorld().getEntities().stream() | ||
| .filter(e -> e.getType().equals(ent.getType())) | ||
| .filter(e -> island.inIslandSpace(e.getLocation())).count(); | ||
| } | ||
| } | ||
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