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| 1 | +package de.kiridevs.ksmpplugin.features; |
| 2 | + |
| 3 | +import java.util.HashMap; |
| 4 | + |
| 5 | +import org.bukkit.*; |
| 6 | +import org.bukkit.entity.Player; |
| 7 | +import org.bukkit.entity.minecart.RideableMinecart; |
| 8 | +import org.bukkit.event.EventHandler; |
| 9 | +import org.bukkit.event.Listener; |
| 10 | +import org.bukkit.event.player.PlayerInteractEntityEvent; |
| 11 | +import org.bukkit.event.vehicle.VehicleMoveEvent; |
| 12 | +import org.bukkit.inventory.ItemStack; |
| 13 | +import org.bukkit.inventory.PlayerInventory; |
| 14 | +import org.bukkit.inventory.meta.Damageable; |
| 15 | +import org.bukkit.persistence.PersistentDataContainer; |
| 16 | +import org.bukkit.persistence.PersistentDataType; |
| 17 | +import org.bukkit.util.Vector; |
| 18 | + |
| 19 | +import de.kiridevs.ksmpplugin.main.KiriSmpPlugin; |
| 20 | + |
| 21 | +public class StickyMinecarts implements Listener { |
| 22 | + private static final String STICKY_MARKER_KEY = "isStickyMinecart"; |
| 23 | + /** |
| 24 | + * @see <a href="https://jd.papermc.io/paper/1.20/org/bukkit/entity/Minecart.html#setMaxSpeed(double)">Paper JavaDocs</a> |
| 25 | + */ |
| 26 | + private static final double CART_DEFAULT_MAX_SPEED = 0.4d; |
| 27 | + |
| 28 | + private final KiriSmpPlugin plugin; |
| 29 | + private final NamespacedKey dataKey; |
| 30 | + |
| 31 | + public StickyMinecarts(KiriSmpPlugin plugin) { |
| 32 | + this.plugin = plugin; |
| 33 | + this.dataKey = new NamespacedKey(this.plugin, STICKY_MARKER_KEY); |
| 34 | + } |
| 35 | + |
| 36 | + private boolean makeSticky(RideableMinecart cart) { |
| 37 | + PersistentDataContainer pdc = cart.getPersistentDataContainer(); |
| 38 | + if (pdc.getOrDefault(dataKey, PersistentDataType.BOOLEAN, false)) { |
| 39 | + // Cart is already sticky |
| 40 | + return false; |
| 41 | + } |
| 42 | + pdc.set(this.dataKey, PersistentDataType.BOOLEAN, true); |
| 43 | + |
| 44 | + // Stop cart from moving |
| 45 | + cart.setVelocity(new Vector(0, 0, 0)); |
| 46 | + cart.setMaxSpeed(0); |
| 47 | + |
| 48 | + // Play waxing effect |
| 49 | + Location cartLoc = cart.getLocation(); |
| 50 | + cartLoc.getWorld().playEffect(cartLoc, Effect.COPPER_WAX_ON, 0); |
| 51 | + |
| 52 | + return true; |
| 53 | + } |
| 54 | + |
| 55 | + private boolean unsticky(RideableMinecart cart) { |
| 56 | + // Remove flag |
| 57 | + PersistentDataContainer pdc = cart.getPersistentDataContainer(); |
| 58 | + boolean sticky = pdc.getOrDefault(this.dataKey, PersistentDataType.BOOLEAN, false); |
| 59 | + if (!sticky) return false; |
| 60 | + |
| 61 | + cart.setMaxSpeed(CART_DEFAULT_MAX_SPEED); |
| 62 | + pdc.remove(dataKey); |
| 63 | + |
| 64 | + // Play effect |
| 65 | + Location cartLoc = cart.getLocation(); |
| 66 | + cartLoc.getWorld().playEffect(cartLoc, Effect.COPPER_WAX_OFF, 0); |
| 67 | + |
| 68 | + return true; |
| 69 | + } |
| 70 | + |
| 71 | + @EventHandler |
| 72 | + public void onPlayerInteractEvent(PlayerInteractEntityEvent event) { |
| 73 | + if (!(event.getRightClicked() instanceof RideableMinecart cart)) return; |
| 74 | + |
| 75 | + Player player = event.getPlayer(); |
| 76 | + PlayerInventory inv = player.getInventory(); |
| 77 | + ItemStack main = inv.getItemInMainHand(); |
| 78 | + |
| 79 | + event.setCancelled(true); // Prevent sit-down |
| 80 | + switch (main.getType()) { |
| 81 | + case HONEY_BOTTLE -> { |
| 82 | + boolean stickied = this.makeSticky(cart); |
| 83 | + // Remove glue from inventory |
| 84 | + if (!stickied) return; |
| 85 | + main.subtract(1); |
| 86 | + HashMap<Integer, ItemStack> uninsertables = inv.addItem(new ItemStack(Material.GLASS_BOTTLE, 1)); |
| 87 | + for (ItemStack uninsertable : uninsertables.values()) { |
| 88 | + Location playerLoc = player.getLocation(); |
| 89 | + playerLoc.getWorld().dropItem(playerLoc, uninsertable); |
| 90 | + } |
| 91 | + } |
| 92 | + case SHEARS -> { |
| 93 | + boolean unstickied = this.unsticky(cart); |
| 94 | + // Remove 1 durability from the used shears |
| 95 | + if (!unstickied) return; |
| 96 | + Damageable dmgShears = (Damageable) main.getItemMeta(); |
| 97 | + dmgShears.setDamage(dmgShears.getDamage() + 1); |
| 98 | + main.setItemMeta(dmgShears); |
| 99 | + } |
| 100 | + case STICK -> cart.setRotation(90, 0); |
| 101 | + default -> event.setCancelled(false); // Allow sitdown without special item |
| 102 | + } |
| 103 | + } |
| 104 | + |
| 105 | + @EventHandler |
| 106 | + public void onMinecartMove(VehicleMoveEvent event) { |
| 107 | + if (!(event.getVehicle() instanceof RideableMinecart cart)) return; |
| 108 | + if ( |
| 109 | + !cart.getPersistentDataContainer() |
| 110 | + .getOrDefault(this.dataKey, PersistentDataType.BOOLEAN, false) |
| 111 | + ) return; |
| 112 | + |
| 113 | + double yVelo = cart.getVelocity().getY(); |
| 114 | + cart.setVelocity(new Vector(0, yVelo, 0)); |
| 115 | + cart.setMaxSpeed(0); |
| 116 | + } |
| 117 | + |
| 118 | + public void init() { |
| 119 | + Bukkit.getPluginManager().registerEvents(this, this.plugin); |
| 120 | + } |
| 121 | +} |
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