Paper/patches/server/0448-API-to-get-Material-from-Boats-and-Minecarts.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Madeline Miller <mnmiller1@me.com>
Date: Thu, 31 Dec 2020 12:48:19 +1000
Subject: [PATCH] API to get Material from Boats and Minecarts

== AT ==
public net.minecraft.world.entity.vehicle.AbstractBoat getDropItem()Lnet/minecraft/world/item/Item;

diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftBoat.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftBoat.java
index c101d01b55472efc9fc2829b8c17db5377ed57ff..5d51a49228eaee94f91cd04843e27c7918ca8796 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftBoat.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftBoat.java
@@ -78,6 +78,13 @@ public abstract class CraftBoat extends CraftVehicle implements Boat {
         this.getHandle().landBoats = workOnLand;
     }
 
+    // Paper start
+    @Override
+    public org.bukkit.Material getBoatMaterial() {
+        return org.bukkit.craftbukkit.util.CraftMagicNumbers.getMaterial(this.getHandle().getDropItem());
+    }
+    // Paper end
+
     @Override
     public Status getStatus() {
         return CraftBoat.boatStatusFromNms(this.getHandle().status);
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecart.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecart.java
index ee010d53f8c671d17d68f3f43dca9978e23ac8ab..d35c1a10e58932b19c8053c5dacdc25fd7f22e8c 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecart.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecart.java
@@ -3,6 +3,7 @@ package org.bukkit.craftbukkit.entity;
 import net.minecraft.world.entity.vehicle.AbstractMinecart;
 import net.minecraft.world.level.block.Blocks;
 import net.minecraft.world.level.block.state.BlockState;
+import org.bukkit.Material; // Paper
 import org.bukkit.block.data.BlockData;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.block.data.CraftBlockData;
@@ -68,6 +69,24 @@ public abstract class CraftMinecart extends CraftVehicle implements Minecart {
         this.getHandle().setDerailedVelocityMod(derailed);
     }
 
+    // Paper start
+    @Override
+    public Material getMinecartMaterial() {
+        return CraftMagicNumbers.getMaterial(minecartEntityTypeToMaterial(this.getHandle().getType()));
+    }
+
+    static net.minecraft.world.item.Item minecartEntityTypeToMaterial(final net.minecraft.world.entity.EntityType<?> type) {
+        if (type == net.minecraft.world.entity.EntityType.MINECART) return net.minecraft.world.item.Items.MINECART;
+        else if (type == net.minecraft.world.entity.EntityType.CHEST_MINECART) return net.minecraft.world.item.Items.CHEST_MINECART;
+        else if (type == net.minecraft.world.entity.EntityType.FURNACE_MINECART) return net.minecraft.world.item.Items.FURNACE_MINECART;
+        else if (type == net.minecraft.world.entity.EntityType.SPAWNER_MINECART) return net.minecraft.world.item.Items.MINECART;
+        else if (type == net.minecraft.world.entity.EntityType.COMMAND_BLOCK_MINECART) return net.minecraft.world.item.Items.COMMAND_BLOCK_MINECART;
+        else if (type == net.minecraft.world.entity.EntityType.HOPPER_MINECART) return net.minecraft.world.item.Items.HOPPER_MINECART;
+        else if (type == net.minecraft.world.entity.EntityType.TNT_MINECART) return net.minecraft.world.item.Items.TNT_MINECART;
+        else throw new UnsupportedOperationException("Server implementation is missing minecart material binding for entity type " + type.toShortString());
+    }
+    // Paper end
+
     @Override
     public AbstractMinecart getHandle() {
         return (AbstractMinecart) this.entity;