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| 1 | +package com.johnfmarion.spearupgradesplayer; |
| 2 | + |
| 3 | +import org.bukkit.Material; |
| 4 | +import org.bukkit.entity.Player; |
| 5 | +import org.bukkit.event.EventHandler; |
| 6 | +import org.bukkit.event.EventPriority; |
| 7 | +import org.bukkit.event.Listener; |
| 8 | +import org.bukkit.event.entity.EntityDamageByEntityEvent; |
| 9 | +import org.bukkit.event.entity.PlayerDeathEvent; |
| 10 | +import org.bukkit.event.player.PlayerJoinEvent; |
| 11 | +import org.bukkit.event.player.PlayerRespawnEvent; |
| 12 | +import org.bukkit.inventory.ItemStack; |
| 13 | +import org.bukkit.inventory.PlayerInventory; |
| 14 | + |
| 15 | +import java.util.HashMap; |
| 16 | +import java.util.Map; |
| 17 | +import java.util.UUID; |
| 18 | + |
| 19 | +public class SpearListener implements Listener { |
| 20 | + |
| 21 | + private final SpearUpgradesPlayer plugin; |
| 22 | + private final SpearManager spearManager; |
| 23 | + |
| 24 | + /** Spear level to give on respawn, keyed by player UUID. */ |
| 25 | + private final Map<UUID, Integer> respawnLevel = new HashMap<>(); |
| 26 | + |
| 27 | + public SpearListener(SpearUpgradesPlayer plugin, SpearManager spearManager) { |
| 28 | + this.plugin = plugin; |
| 29 | + this.spearManager = spearManager; |
| 30 | + } |
| 31 | + |
| 32 | + // ------------------------------------------------------------------------- |
| 33 | + // Join: give a level-1 spear to players who don't already have one |
| 34 | + // ------------------------------------------------------------------------- |
| 35 | + @EventHandler |
| 36 | + public void onPlayerJoin(PlayerJoinEvent event) { |
| 37 | + Player player = event.getPlayer(); |
| 38 | + if (findSpear(player) == null) { |
| 39 | + plugin.getServer().getScheduler().runTaskLater(plugin, () -> giveSpear(player, 1), 1L); |
| 40 | + } |
| 41 | + } |
| 42 | + |
| 43 | + // ------------------------------------------------------------------------- |
| 44 | + // Player kill with spear -> upgrade one tier |
| 45 | + // ------------------------------------------------------------------------- |
| 46 | + @EventHandler(priority = EventPriority.HIGH) |
| 47 | + public void onPlayerDeath(PlayerDeathEvent event) { |
| 48 | + Player player = event.getEntity(); |
| 49 | + Player killer = player.getKiller(); |
| 50 | + if (killer != null) { |
| 51 | + upgradeKillerSpear(killer); |
| 52 | + } |
| 53 | + |
| 54 | + // Determine what level they had |
| 55 | + ItemStack spear = findSpear(player); |
| 56 | + int level = (spear != null) ? spearManager.getSpearLevel(spear) : 1; |
| 57 | + |
| 58 | + // Downgrade by one, floor at 1 |
| 59 | + respawnLevel.put(player.getUniqueId(), Math.max(spearManager.getMinLevel(), level - 1)); |
| 60 | + |
| 61 | + // Remove all custom spears from the drop list so no one can pick them up |
| 62 | + event.getDrops().removeIf(item -> spearManager.isSpear(item)); |
| 63 | + } |
| 64 | + |
| 65 | + private void upgradeKillerSpear(Player killer) { |
| 66 | + ItemStack weapon = killer.getInventory().getItemInMainHand(); |
| 67 | + if (!spearManager.isSpear(weapon)) return; |
| 68 | + |
| 69 | + int currentLevel = spearManager.getSpearLevel(weapon); |
| 70 | + if (currentLevel >= spearManager.getMaxLevel()) { |
| 71 | + killer.sendMessage("§6Your spear is already at maximum power!"); |
| 72 | + return; |
| 73 | + } |
| 74 | + |
| 75 | + int newLevel = currentLevel + 1; |
| 76 | + killer.getInventory().setItemInMainHand(spearManager.createSpear(newLevel)); |
| 77 | + killer.sendMessage("§aSpear upgraded → " + spearManager.getDisplayName(newLevel) + "§a!"); |
| 78 | + } |
| 79 | + |
| 80 | + // ------------------------------------------------------------------------- |
| 81 | + // Bonus damage: simulate Sharpness X on the Netherite Spear. |
| 82 | + // Vanilla Lunge is applied directly as an enchantment when spears are created. |
| 83 | + // ------------------------------------------------------------------------- |
| 84 | + @EventHandler(priority = EventPriority.NORMAL) |
| 85 | + public void onEntityDamageByEntity(EntityDamageByEntityEvent event) { |
| 86 | + if (!(event.getDamager() instanceof Player)) return; |
| 87 | + |
| 88 | + Player player = (Player) event.getDamager(); |
| 89 | + ItemStack weapon = player.getInventory().getItemInMainHand(); |
| 90 | + if (!spearManager.isSpear(weapon)) return; |
| 91 | + |
| 92 | + int level = spearManager.getSpearLevel(weapon); |
| 93 | + |
| 94 | + // Extra damage for Netherite Spear (Sharpness X simulation) |
| 95 | + double bonus = spearManager.getBonusDamage(level); |
| 96 | + if (bonus > 0) { |
| 97 | + event.setDamage(event.getDamage() + bonus); |
| 98 | + } |
| 99 | + } |
| 100 | + |
| 101 | + // ------------------------------------------------------------------------- |
| 102 | + // Respawn: give a downgraded spear |
| 103 | + // ------------------------------------------------------------------------- |
| 104 | + @EventHandler |
| 105 | + public void onPlayerRespawn(PlayerRespawnEvent event) { |
| 106 | + Player player = event.getPlayer(); |
| 107 | + Integer stored = respawnLevel.remove(player.getUniqueId()); |
| 108 | + int level = (stored != null) ? stored : 1; |
| 109 | + |
| 110 | + // Run one tick later so the inventory is fully cleared before we add the spear |
| 111 | + plugin.getServer().getScheduler().runTaskLater(plugin, () -> giveSpear(player, level), 1L); |
| 112 | + } |
| 113 | + |
| 114 | + // ------------------------------------------------------------------------- |
| 115 | + // Helpers |
| 116 | + // ------------------------------------------------------------------------- |
| 117 | + |
| 118 | + private void giveSpear(Player player, int level) { |
| 119 | + removeAllSpears(player); |
| 120 | + ItemStack spear = spearManager.createSpear(level); |
| 121 | + |
| 122 | + PlayerInventory inv = player.getInventory(); |
| 123 | + // Prefer main hand if empty; otherwise first free slot; otherwise slot 0 |
| 124 | + if (inv.getItemInMainHand().getType() == Material.AIR) { |
| 125 | + inv.setItemInMainHand(spear); |
| 126 | + } else { |
| 127 | + int free = inv.firstEmpty(); |
| 128 | + if (free >= 0) { |
| 129 | + inv.setItem(free, spear); |
| 130 | + } else { |
| 131 | + inv.setItemInMainHand(spear); // overwrite if inventory is completely full |
| 132 | + } |
| 133 | + } |
| 134 | + } |
| 135 | + |
| 136 | + private ItemStack findSpear(Player player) { |
| 137 | + for (ItemStack item : player.getInventory().getContents()) { |
| 138 | + if (spearManager.isSpear(item)) return item; |
| 139 | + } |
| 140 | + return null; |
| 141 | + } |
| 142 | + |
| 143 | + private void removeAllSpears(Player player) { |
| 144 | + ItemStack[] contents = player.getInventory().getContents(); |
| 145 | + for (int i = 0; i < contents.length; i++) { |
| 146 | + if (spearManager.isSpear(contents[i])) contents[i] = null; |
| 147 | + } |
| 148 | + player.getInventory().setContents(contents); |
| 149 | + } |
| 150 | +} |
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