From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Trigary <trigary0@gmail.com>
Date: Mon, 25 Jan 2021 14:53:57 +0100
Subject: [PATCH] add DragonEggFormEvent


diff --git a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
index f88719dede80c064f6210e078c435ffda32ecc1a..93dd5a2d0b550b0373cbf59376a04e9fd6146e92 100644
--- a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
+++ b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
@@ -363,9 +363,24 @@ public class EndDragonFight {
             this.dragonEvent.setVisible(false);
             this.spawnExitPortal(true);
             this.spawnNewGateway();
+            // Paper start - DragonEggFormEvent
+            BlockPos eggPosition = this.level.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING, EndPodiumFeature.END_PODIUM_LOCATION);
+            org.bukkit.craftbukkit.block.CraftBlock eggBlock = org.bukkit.craftbukkit.block.CraftBlock.at(this.level, eggPosition);
+            org.bukkit.craftbukkit.block.CraftBlockState eggState = new org.bukkit.craftbukkit.block.CraftBlockState(eggBlock);
+            eggState.setData(Blocks.DRAGON_EGG.defaultBlockState());
+            io.papermc.paper.event.block.DragonEggFormEvent eggEvent = new io.papermc.paper.event.block.DragonEggFormEvent(eggBlock, eggState,
+                    new org.bukkit.craftbukkit.boss.CraftDragonBattle(this));
+            // Paper end - DragonEggFormEvent
             if (this.level.paperConfig.enderDragonsDeathAlwaysPlacesDragonEgg || !this.previouslyKilled) { // Paper - always place dragon egg
-                this.level.setBlockAndUpdate(this.level.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING, EndPodiumFeature.END_PODIUM_LOCATION), Blocks.DRAGON_EGG.defaultBlockState());
+                // Paper start - DragonEggFormEvent
+                //this.world.setTypeUpdate(this.world.getHighestBlockYAt(HeightMap.Type.MOTION_BLOCKING, WorldGenEndTrophy.a), Blocks.DRAGON_EGG.getBlockData());
+            } else {
+                eggEvent.setCancelled(true);
+            }
+            if (eggEvent.callEvent()) {
+                eggEvent.getNewState().update(true);
             }
+            // Paper end - DragonEggFormEvent
 
             this.previouslyKilled = true;
             this.dragonKilled = true;