Greenhouses/src/main/java/world/bentobox/greenhouses/listeners/GreenhouseGuard.java

58 lines
1.9 KiB
Java

package world.bentobox.greenhouses.listeners;
import java.util.Optional;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.BlockFromToEvent;
import world.bentobox.greenhouses.Greenhouses;
import world.bentobox.greenhouses.data.Greenhouse;
public class GreenhouseGuard implements Listener {
private final Greenhouses addon;
public GreenhouseGuard(final Greenhouses addon) {
this.addon = addon;
}
// Stop lava flow or water into or out of a greenhouse
@EventHandler(priority = EventPriority.NORMAL)
public void onFlow(final BlockFromToEvent e) {
// Flow may be allowed anyway
if (addon.getSettings().isAllowFlowIn() && addon.getSettings().isAllowFlowOut()) {
return;
}
if (!addon.getActiveWorlds().contains(e.getBlock().getWorld())) {
return;
}
// Get To and From
Optional<Greenhouse> to = addon.getManager().getMap().getGreenhouse(e.getToBlock().getLocation());
Optional<Greenhouse> from = addon.getManager().getMap().getGreenhouse(e.getBlock().getLocation());
// Scenarios
// 1. inside district or outside - always ok
// 2. inside to outside - allowFlowOut determines
// 3. outside to inside - allowFlowIn determines
if (!to.isPresent() && !from.isPresent()) {
return;
}
if (to.isPresent() && from.isPresent() && to.equals(from)) {
return;
}
// to is a greenhouse
if (to.isPresent() && addon.getSettings().isAllowFlowIn()) {
return;
}
// from is a greenhouse
if (from.isPresent() && addon.getSettings().isAllowFlowOut()) {
return;
}
// Otherwise cancel - the flow is not allowed
e.setCancelled(true);
}
}