tag new elytras

src/main/java/lol/hyper/toolstats/events/ChunkPopulate.java

@@ -0,0 +1,73 @@
+/*
+ * This file is part of ToolStats.
+ *
+ * ToolStats is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * ToolStats is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with ToolStats.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package lol.hyper.toolstats.events;
+
+import lol.hyper.toolstats.ToolStats;
+import org.bukkit.Bukkit;
+import org.bukkit.Chunk;
+import org.bukkit.Material;
+import org.bukkit.World;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.ItemFrame;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.world.ChunkPopulateEvent;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.persistence.PersistentDataContainer;
+import org.bukkit.persistence.PersistentDataType;
+
+public class ChunkPopulate implements Listener {
+
+    // this tags all elytras with a "new" tag
+    // this let's use tag any new elytras player loot
+
+    private final ToolStats toolStats;
+
+    public ChunkPopulate(ToolStats toolStats) {
+        this.toolStats = toolStats;
+    }
+
+    @EventHandler
+    public void onPopulate(ChunkPopulateEvent event) {
+        if (event.getChunk().getWorld().getEnvironment() != World.Environment.THE_END) {
+            return;
+        }
+        // this is delayed because entities are not loaded instantly
+        // we just check 1 second later
+        Bukkit.getScheduler().runTaskLater(toolStats, () -> {
+            Chunk chunk = event.getChunk();
+            for (Entity entity : chunk.getEntities()) {
+                if (entity instanceof ItemFrame) {
+                    ItemFrame itemFrame = (ItemFrame) entity;
+                    if (itemFrame.getItem().getType() == Material.ELYTRA) {
+                        ItemStack elytraCopy = itemFrame.getItem();
+                        ItemMeta meta = elytraCopy.getItemMeta();
+                        if (meta == null) {
+                            return;
+                        }
+                        PersistentDataContainer container = meta.getPersistentDataContainer();
+                        container.set(toolStats.newElytra, PersistentDataType.INTEGER, 1);
+                        elytraCopy.setItemMeta(meta);
+                        itemFrame.setItem(elytraCopy);
+                    }
+                }
+            }
+        }, 20);
+    }
+}