From 0f36803026096f6374011e478944d483feebc6d6 Mon Sep 17 00:00:00 2001
From: LoJoSho <LoJoShogaming@gmail.com>
Date: Mon, 18 Dec 2023 19:40:28 -0600
Subject: [PATCH] feat: add PlayerArmorChangeEvent for Paper servers

---
 common/build.gradle.kts                       |  2 +-
 .../hmccosmetics/HMCCosmeticsPlugin.java      | 12 +++++++-
 .../listener/PaperPlayerGameListener.java     | 30 +++++++++++++++++++
 .../hmccosmetics/util/ServerUtils.java        |  9 ++++++
 4 files changed, 51 insertions(+), 2 deletions(-)
 create mode 100644 common/src/main/java/com/hibiscusmc/hmccosmetics/listener/PaperPlayerGameListener.java

diff --git a/common/build.gradle.kts b/common/build.gradle.kts
index e03f2aa1..02b20428 100644
--- a/common/build.gradle.kts
+++ b/common/build.gradle.kts
@@ -5,7 +5,7 @@ plugins {
 
 dependencies {
     compileOnly("com.mojang:authlib:1.5.25")
-    compileOnly("org.spigotmc:spigot-api:1.18.2-R0.1-SNAPSHOT")
+    compileOnly("io.papermc.paper:paper-api:1.18.2-R0.1-SNAPSHOT")
     compileOnly("org.jetbrains:annotations:23.0.0")
     compileOnly("com.comphenix.protocol:ProtocolLib:5.1.0")
     compileOnly("me.clip:placeholderapi:2.11.3")
diff --git a/common/src/main/java/com/hibiscusmc/hmccosmetics/HMCCosmeticsPlugin.java b/common/src/main/java/com/hibiscusmc/hmccosmetics/HMCCosmeticsPlugin.java
index 29e39813..bb6f76fd 100644
--- a/common/src/main/java/com/hibiscusmc/hmccosmetics/HMCCosmeticsPlugin.java
+++ b/common/src/main/java/com/hibiscusmc/hmccosmetics/HMCCosmeticsPlugin.java
@@ -18,16 +18,19 @@ import com.hibiscusmc.hmccosmetics.gui.Menus;
 import com.hibiscusmc.hmccosmetics.hooks.Hooks;
 import com.hibiscusmc.hmccosmetics.hooks.worldguard.WGHook;
 import com.hibiscusmc.hmccosmetics.hooks.worldguard.WGListener;
+import com.hibiscusmc.hmccosmetics.listener.PaperPlayerGameListener;
 import com.hibiscusmc.hmccosmetics.listener.PlayerConnectionListener;
 import com.hibiscusmc.hmccosmetics.listener.PlayerGameListener;
 import com.hibiscusmc.hmccosmetics.nms.NMSHandlers;
 import com.hibiscusmc.hmccosmetics.user.CosmeticUser;
 import com.hibiscusmc.hmccosmetics.user.CosmeticUsers;
 import com.hibiscusmc.hmccosmetics.util.MessagesUtil;
+import com.hibiscusmc.hmccosmetics.util.ServerUtils;
 import com.hibiscusmc.hmccosmetics.util.TranslationUtil;
 import com.jeff_media.updatechecker.UpdateCheckSource;
 import com.jeff_media.updatechecker.UpdateChecker;
 import com.ticxo.playeranimator.PlayerAnimatorImpl;
+import lombok.Getter;
 import org.bstats.bukkit.Metrics;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
@@ -52,6 +55,8 @@ public final class HMCCosmeticsPlugin extends JavaPlugin {
     private static final int pluginId = 13873;
     private static boolean onLatestVersion = true;
     private static String latestVersion = "";
+    @Getter
+    private static boolean onPaper = false;
 
     @Override
     public void onEnable() {
@@ -123,7 +128,12 @@ public final class HMCCosmeticsPlugin extends JavaPlugin {
         // Listener
         getServer().getPluginManager().registerEvents(new PlayerConnectionListener(), this);
         getServer().getPluginManager().registerEvents(new PlayerGameListener(), this);
-
+        // Taken from PaperLib
+        if (ServerUtils.hasClass("com.destroystokyo.paper.PaperConfig") || ServerUtils.hasClass("io.papermc.paper.configuration.Configuration")) {
+            onPaper = true;
+            getLogger().info("Detected Paper! Enabling Paper support...");
+            getServer().getPluginManager().registerEvents(new PaperPlayerGameListener(), this);
+        }
         // Database
         new Database();
 
diff --git a/common/src/main/java/com/hibiscusmc/hmccosmetics/listener/PaperPlayerGameListener.java b/common/src/main/java/com/hibiscusmc/hmccosmetics/listener/PaperPlayerGameListener.java
new file mode 100644
index 00000000..62506a54
--- /dev/null
+++ b/common/src/main/java/com/hibiscusmc/hmccosmetics/listener/PaperPlayerGameListener.java
@@ -0,0 +1,30 @@
+package com.hibiscusmc.hmccosmetics.listener;
+
+import com.destroystokyo.paper.event.player.PlayerArmorChangeEvent;
+import com.hibiscusmc.hmccosmetics.cosmetic.CosmeticSlot;
+import com.hibiscusmc.hmccosmetics.user.CosmeticUser;
+import com.hibiscusmc.hmccosmetics.user.CosmeticUsers;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+
+public class PaperPlayerGameListener implements Listener {
+
+    @EventHandler
+    public void onPlayerArmorEquip(PlayerArmorChangeEvent event) {
+        CosmeticUser user = CosmeticUsers.getUser(event.getPlayer());
+        if (user == null) return;
+        if (user.isInWardrobe()) return;
+        user.updateCosmetic(slotTypeToCosmeticType(event.getSlotType()));
+    }
+
+    private CosmeticSlot slotTypeToCosmeticType(PlayerArmorChangeEvent.SlotType slotType) {
+        return switch (slotType) {
+            case HEAD -> CosmeticSlot.HELMET;
+            case FEET -> CosmeticSlot.BOOTS;
+            case LEGS -> CosmeticSlot.LEGGINGS;
+            case CHEST -> CosmeticSlot.CHESTPLATE;
+            default -> null;
+        };
+    }
+
+}
diff --git a/common/src/main/java/com/hibiscusmc/hmccosmetics/util/ServerUtils.java b/common/src/main/java/com/hibiscusmc/hmccosmetics/util/ServerUtils.java
index 2c1dcf15..3a3aebf6 100644
--- a/common/src/main/java/com/hibiscusmc/hmccosmetics/util/ServerUtils.java
+++ b/common/src/main/java/com/hibiscusmc/hmccosmetics/util/ServerUtils.java
@@ -157,4 +157,13 @@ public class ServerUtils {
         }
         return nextYaw;
     }
+
+    public static boolean hasClass(String className) {
+        try {
+            Class.forName(className);
+            return true;
+        } catch (ClassNotFoundException e) {
+            return false;
+        }
+    }
 }