From 0e1c9b3f7e3198b05a9145580ab862db1d156314 Mon Sep 17 00:00:00 2001
From: LoJoSho <LoJoShogaming@gmail.com>
Date: Mon, 20 Feb 2023 18:41:11 -0600
Subject: [PATCH] Backpack no longer equipped on fly or swim

---
 .../cosmetic/types/CosmeticBackpackType.java  |  2 +-
 .../listener/PlayerGameListener.java          | 33 ++++++++++++++++---
 .../hmccosmetics/user/CosmeticUser.java       |  6 +++-
 3 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/common/src/main/java/com/hibiscusmc/hmccosmetics/cosmetic/types/CosmeticBackpackType.java b/common/src/main/java/com/hibiscusmc/hmccosmetics/cosmetic/types/CosmeticBackpackType.java
index 55461890..7f74ac31 100644
--- a/common/src/main/java/com/hibiscusmc/hmccosmetics/cosmetic/types/CosmeticBackpackType.java
+++ b/common/src/main/java/com/hibiscusmc/hmccosmetics/cosmetic/types/CosmeticBackpackType.java
@@ -26,7 +26,7 @@ public class CosmeticBackpackType extends Cosmetic {
         Location loc = player.getLocation().clone().add(0, 2, 0);
 
         if (user.isInWardrobe()) return;
-
+        if (!user.isBackupSpawned()) return;
         if (loc.getWorld() != user.getUserBackpackManager().getArmorstand().getWorld()) {
             user.getUserBackpackManager().getArmorstand().teleport(loc);
         }
diff --git a/common/src/main/java/com/hibiscusmc/hmccosmetics/listener/PlayerGameListener.java b/common/src/main/java/com/hibiscusmc/hmccosmetics/listener/PlayerGameListener.java
index 1b75f890..cd44794c 100644
--- a/common/src/main/java/com/hibiscusmc/hmccosmetics/listener/PlayerGameListener.java
+++ b/common/src/main/java/com/hibiscusmc/hmccosmetics/listener/PlayerGameListener.java
@@ -13,6 +13,7 @@ import com.hibiscusmc.hmccosmetics.config.Settings;
 import com.hibiscusmc.hmccosmetics.cosmetic.Cosmetic;
 import com.hibiscusmc.hmccosmetics.cosmetic.CosmeticSlot;
 import com.hibiscusmc.hmccosmetics.cosmetic.types.CosmeticArmorType;
+import com.hibiscusmc.hmccosmetics.cosmetic.types.CosmeticBackpackType;
 import com.hibiscusmc.hmccosmetics.cosmetic.types.CosmeticBalloonType;
 import com.hibiscusmc.hmccosmetics.cosmetic.types.CosmeticEmoteType;
 import com.hibiscusmc.hmccosmetics.gui.Menu;
@@ -28,12 +29,10 @@ import org.bukkit.NamespacedKey;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Player;
+import org.bukkit.entity.Pose;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
-import org.bukkit.event.entity.EntityDamageByEntityEvent;
-import org.bukkit.event.entity.EntityPickupItemEvent;
-import org.bukkit.event.entity.EntityPotionEffectEvent;
-import org.bukkit.event.entity.PlayerDeathEvent;
+import org.bukkit.event.entity.*;
 import org.bukkit.event.inventory.ClickType;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.player.*;
@@ -157,14 +156,38 @@ public class PlayerGameListener implements Listener {
     @EventHandler
     public void onPlayerLook(PlayerMoveEvent event) {
         if (event.isCancelled()) return;
+        Player player = event.getPlayer();
         // TODO: Move to packets
-        CosmeticUser user = CosmeticUsers.getUser(event.getPlayer().getUniqueId());
+        CosmeticUser user = CosmeticUsers.getUser(player);
         if (user == null) return;
         // Really need to look into optimization of this
         user.updateCosmetic(CosmeticSlot.BACKPACK);
         user.updateCosmetic(CosmeticSlot.BALLOON);
     }
 
+    @EventHandler
+    public void onPlayerPoseChange(EntityPoseChangeEvent event) {
+        MessagesUtil.sendDebugMessages("EntityPoseChangeEvent");
+        if (!(event.getEntity() instanceof Player)) return;
+        Player player = ((Player) event.getEntity()).getPlayer();
+        CosmeticUser user = CosmeticUsers.getUser(player);
+        if (user == null) return;
+        if (!user.hasCosmeticInSlot(CosmeticSlot.BACKPACK)) return;
+        Pose pose = event.getPose();
+        if (pose.equals(Pose.STANDING)) {
+            MessagesUtil.sendDebugMessages("Standing");
+            if (!user.isBackupSpawned()) {
+                user.spawnBackpack((CosmeticBackpackType) user.getCosmetic(CosmeticSlot.BACKPACK));
+                MessagesUtil.sendDebugMessages("backpack is not spawned");
+            }
+            return;
+        }
+        if (pose.equals(Pose.SLEEPING) || pose.equals(Pose.SWIMMING) || pose.equals(Pose.FALL_FLYING)) {
+            MessagesUtil.sendDebugMessages("misc");
+            user.despawnBackpack();
+        }
+    }
+
     @EventHandler
     public void onPlayerArmorDamage(PlayerItemDamageEvent event) {
         // Possibly look into cancelling the event, then handling the damage on our own.
diff --git a/common/src/main/java/com/hibiscusmc/hmccosmetics/user/CosmeticUser.java b/common/src/main/java/com/hibiscusmc/hmccosmetics/user/CosmeticUser.java
index f91af90f..397b9317 100644
--- a/common/src/main/java/com/hibiscusmc/hmccosmetics/user/CosmeticUser.java
+++ b/common/src/main/java/com/hibiscusmc/hmccosmetics/user/CosmeticUser.java
@@ -286,6 +286,7 @@ public class CosmeticUser {
     }
 
     public void spawnBackpack(CosmeticBackpackType cosmeticBackpackType) {
+        if (this.userBackpackManager != null) return;
         this.userBackpackManager = new UserBackpackManager(this);
         userBackpackManager.spawnBackpack(cosmeticBackpackType);
     }
@@ -296,7 +297,10 @@ public class CosmeticUser {
         userBackpackManager = null;
     }
 
-
+    public boolean isBackupSpawned() {
+        if (this.userBackpackManager == null) return false;
+        return true;
+    }
 
     public void spawnBalloon(CosmeticBalloonType cosmeticBalloonType) {
         Player player = Bukkit.getPlayer(getUniqueId());