Handle the newly refactored minecarts.

src/main/java/org/bukkit/craftbukkit/CraftWorld.java

@@ -1,52 +1,54 @@
 package org.bukkit.craftbukkit;
 
 import java.io.File;
-import java.util.Iterator;
-import java.util.Set;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashSet;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Random;
+import java.util.Set;
 import java.util.UUID;
-import org.apache.commons.lang.Validate;
-
-import org.bukkit.craftbukkit.entity.*;
-import org.bukkit.craftbukkit.metadata.BlockMetadataStore;
-import org.bukkit.entity.*;
-import org.bukkit.entity.Entity;
 
 import net.minecraft.server.*;
 
-import org.bukkit.entity.Arrow;
-import org.bukkit.Effect;
-import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
-import org.bukkit.event.weather.WeatherChangeEvent;
-import org.bukkit.event.weather.ThunderChangeEvent;
-import org.bukkit.event.world.SpawnChangeEvent;
-import org.bukkit.block.Block;
-import org.bukkit.block.BlockFace;
-import org.bukkit.entity.Boat;
-import org.bukkit.Chunk;
-import org.bukkit.inventory.ItemStack;
-import org.bukkit.metadata.MetadataValue;
-import org.bukkit.plugin.Plugin;
-import org.bukkit.util.Vector;
+import org.apache.commons.lang.Validate;
 import org.bukkit.BlockChangeDelegate;
 import org.bukkit.Bukkit;
-import org.bukkit.generator.ChunkGenerator;
+import org.bukkit.Chunk;
 import org.bukkit.ChunkSnapshot;
+import org.bukkit.Difficulty;
+import org.bukkit.Effect;
 import org.bukkit.Location;
+import org.bukkit.Sound;
 import org.bukkit.TreeType;
 import org.bukkit.World;
 import org.bukkit.block.Biome;
-import org.bukkit.generator.BlockPopulator;
-import org.bukkit.Difficulty;
-import org.bukkit.Sound;
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
 import org.bukkit.craftbukkit.block.CraftBlock;
+import org.bukkit.craftbukkit.entity.*;
 import org.bukkit.craftbukkit.inventory.CraftItemStack;
-import org.bukkit.plugin.messaging.StandardMessenger;
+import org.bukkit.craftbukkit.metadata.BlockMetadataStore;
 import org.bukkit.craftbukkit.util.LongHash;
+import org.bukkit.entity.*;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.minecart.ExplosiveMinecart;
+import org.bukkit.entity.minecart.HopperMinecart;
+import org.bukkit.entity.minecart.PoweredMinecart;
+import org.bukkit.entity.minecart.SpawnerMinecart;
+import org.bukkit.entity.minecart.StorageMinecart;
+import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
+import org.bukkit.event.weather.ThunderChangeEvent;
+import org.bukkit.event.weather.WeatherChangeEvent;
+import org.bukkit.event.world.SpawnChangeEvent;
+import org.bukkit.generator.BlockPopulator;
+import org.bukkit.generator.ChunkGenerator;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.metadata.MetadataValue;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.plugin.messaging.StandardMessenger;
+import org.bukkit.util.Vector;
 
 public class CraftWorld implements World {
     public static final int CUSTOM_DIMENSION_OFFSET = 10;
@@ -252,7 +254,6 @@ public class CraftWorld implements World {
         return chunk != null;
     }
 
-    @SuppressWarnings("unchecked")
     private void chunkLoadPostProcess(net.minecraft.server.Chunk chunk, int x, int z) {
         if (chunk != null) {
             world.chunkProviderServer.chunks.put(LongHash.toLong(x, z), chunk);
@@ -864,13 +865,13 @@ public class CraftWorld implements World {
                 entity = new EntityMinecartFurnace(world, x, y, z);
             } else if (StorageMinecart.class.isAssignableFrom(clazz)) {
                 entity = new EntityMinecartChest(world, x, y, z);
-            } else if (MinecartTNT.class.isAssignableFrom(clazz)) {
+            } else if (ExplosiveMinecart.class.isAssignableFrom(clazz)) {
                 entity = new EntityMinecartTNT(world, x, y, z);
-            } else if (MinecartHopper.class.isAssignableFrom(clazz)) {
+            } else if (HopperMinecart.class.isAssignableFrom(clazz)) {
                 entity = new EntityMinecartHopper(world, x, y, z);
-            } else if (MinecartMobSpawner.class.isAssignableFrom(clazz)) {
+            } else if (SpawnerMinecart.class.isAssignableFrom(clazz)) {
                 entity = new EntityMinecartMobSpawner(world, x, y, z);
-            } else {
+            } else { // Default to rideable minecart for pre-rideable compatibility
                 entity = new EntityMinecartRideable(world, x, y, z);
             }
         } else if (EnderSignal.class.isAssignableFrom(clazz)) {

src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java

@@ -137,12 +137,12 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
             else { return new CraftWeather(server, (EntityWeather) entity); }
         }
         else if (entity instanceof EntityMinecartAbstract) {
-            if (entity instanceof EntityMinecartFurnace) { return new CraftPoweredMinecart(server, (EntityMinecartFurnace) entity); }
-            else if (entity instanceof EntityMinecartChest) { return new CraftStorageMinecart(server, (EntityMinecartChest) entity); }
+            if (entity instanceof EntityMinecartFurnace) { return new CraftMinecartFurnace(server, (EntityMinecartFurnace) entity); }
+            else if (entity instanceof EntityMinecartChest) { return new CraftMinecartChest(server, (EntityMinecartChest) entity); }
             else if (entity instanceof EntityMinecartTNT) { return new CraftMinecartTNT(server, (EntityMinecartTNT) entity); }
             else if (entity instanceof EntityMinecartHopper) { return new CraftMinecartHopper(server, (EntityMinecartHopper) entity); }
             else if (entity instanceof EntityMinecartMobSpawner) { return new CraftMinecartMobSpawner(server, (EntityMinecartMobSpawner) entity); }
-            else { return new CraftMinecart(server, (EntityMinecartRideable) entity); }
+            else if (entity instanceof EntityMinecartRideable) { return new CraftMinecartRideable(server, (EntityMinecartRideable) entity); }
         } else if (entity instanceof EntityHanging) {
             if (entity instanceof EntityPainting) { return new CraftPainting(server, (EntityPainting) entity); }
             else if (entity instanceof EntityItemFrame) { return new CraftItemFrame(server, (EntityItemFrame) entity); }
@@ -151,7 +151,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
         else if (entity instanceof EntityTNTPrimed) { return new CraftTNTPrimed(server, (EntityTNTPrimed) entity); }
         else if (entity instanceof EntityFireworks) { return new CraftFirework(server, (EntityFireworks) entity); }
 
-        throw new IllegalArgumentException("Unknown entity");
+        throw new AssertionError("Unknown entity " + entity == null ? null : entity.getClass());
     }
 
     public Location getLocation() {

src/main/java/org/bukkit/craftbukkit/entity/CraftMinecart.java

@@ -1,12 +1,12 @@
 package org.bukkit.craftbukkit.entity;
 
 import net.minecraft.server.EntityMinecartAbstract;
+
 import org.bukkit.craftbukkit.CraftServer;
-import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Minecart;
 import org.bukkit.util.Vector;
 
-public class CraftMinecart extends CraftVehicle implements Minecart {
+public abstract class CraftMinecart extends CraftVehicle implements Minecart {
     public CraftMinecart(CraftServer server, EntityMinecartAbstract entity) {
         super(server, entity);
     }
@@ -57,13 +57,4 @@ public class CraftMinecart extends CraftVehicle implements Minecart {
     public EntityMinecartAbstract getHandle() {
         return (EntityMinecartAbstract) entity;
     }
-
-    @Override
-    public String toString() {
-        return "CraftMinecart";
-    }
-
-    public EntityType getType() {
-        return EntityType.MINECART;
-    }
 }

src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartChest.java

@@ -8,10 +8,11 @@ import org.bukkit.entity.EntityType;
 import org.bukkit.entity.StorageMinecart;
 import org.bukkit.inventory.Inventory;
 
-public class CraftStorageMinecart extends CraftMinecart implements StorageMinecart {
+@SuppressWarnings("deprecation")
+public class CraftMinecartChest extends CraftMinecart implements StorageMinecart {
     private final CraftInventory inventory;
 
-    public CraftStorageMinecart(CraftServer server, EntityMinecartChest entity) {
+    public CraftMinecartChest(CraftServer server, EntityMinecartChest entity) {
         super(server, entity);
         inventory = new CraftInventory(entity);
     }
@@ -22,7 +23,7 @@ public class CraftStorageMinecart extends CraftMinecart implements StorageMineca
 
     @Override
     public String toString() {
-        return "CraftStorageMinecart{" + "inventory=" + inventory + '}';
+        return "CraftMinecartChest{" + "inventory=" + inventory + '}';
     }
 
     public EntityType getType() {

src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartFurnace.java

@@ -1,19 +1,20 @@
 package org.bukkit.craftbukkit.entity;
 
-import org.bukkit.craftbukkit.entity.CraftMinecart;
 import net.minecraft.server.EntityMinecartFurnace;
+
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.PoweredMinecart;
 
-public class CraftPoweredMinecart extends CraftMinecart implements PoweredMinecart {
-    public CraftPoweredMinecart(CraftServer server, EntityMinecartFurnace entity) {
+@SuppressWarnings("deprecation")
+public class CraftMinecartFurnace extends CraftMinecart implements PoweredMinecart {
+    public CraftMinecartFurnace(CraftServer server, EntityMinecartFurnace entity) {
         super(server, entity);
     }
 
     @Override
     public String toString() {
-        return "CraftPoweredMinecart";
+        return "CraftMinecartFurnace";
     }
 
     public EntityType getType() {

src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartHopper.java

@@ -1,15 +1,21 @@
 package org.bukkit.craftbukkit.entity;
 
 import net.minecraft.server.EntityMinecartHopper;
+
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.entity.EntityType;
-import org.bukkit.entity.MinecartHopper;
+import org.bukkit.entity.minecart.HopperMinecart;
 
-final class CraftMinecartHopper extends CraftMinecart implements MinecartHopper {
+final class CraftMinecartHopper extends CraftMinecart implements HopperMinecart {
     CraftMinecartHopper(CraftServer server, EntityMinecartHopper entity) {
         super(server, entity);
     }
 
+    @Override
+    public String toString() {
+        return "CraftMinecartHopper";
+    }
+
     public EntityType getType() {
         return EntityType.MINECART_HOPPER;
     }

src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartMobSpawner.java

@@ -1,15 +1,21 @@
 package org.bukkit.craftbukkit.entity;
 
 import net.minecraft.server.EntityMinecartMobSpawner;
+
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.entity.EntityType;
-import org.bukkit.entity.MinecartMobSpawner;
+import org.bukkit.entity.minecart.SpawnerMinecart;
 
-final class CraftMinecartMobSpawner extends CraftMinecart implements MinecartMobSpawner {
+final class CraftMinecartMobSpawner extends CraftMinecart implements SpawnerMinecart {
     CraftMinecartMobSpawner(CraftServer server, EntityMinecartMobSpawner entity) {
         super(server, entity);
     }
 
+    @Override
+    public String toString() {
+        return "CraftMinecartMobSpawner";
+    }
+
     public EntityType getType() {
         return EntityType.MINECART_MOB_SPAWNER;
     }

src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartRideable.java

@@ -0,0 +1,22 @@
+package org.bukkit.craftbukkit.entity;
+
+import net.minecraft.server.EntityMinecartAbstract;
+
+import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.minecart.RideableMinecart;
+
+public class CraftMinecartRideable extends CraftMinecart implements RideableMinecart {
+    public CraftMinecartRideable(CraftServer server, EntityMinecartAbstract entity) {
+        super(server, entity);
+    }
+
+    @Override
+    public String toString() {
+        return "CraftMinecartRideable";
+    }
+
+    public EntityType getType() {
+        return EntityType.MINECART;
+    }
+}

src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartTNT.java

@@ -1,11 +1,22 @@
 package org.bukkit.craftbukkit.entity;
 
 import net.minecraft.server.EntityMinecartTNT;
-import org.bukkit.craftbukkit.CraftServer;
-import org.bukkit.entity.MinecartTNT;
 
-final class CraftMinecartTNT extends CraftMinecart implements MinecartTNT {
+import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.minecart.ExplosiveMinecart;
+
+final class CraftMinecartTNT extends CraftMinecart implements ExplosiveMinecart {
     CraftMinecartTNT(CraftServer server, EntityMinecartTNT entity) {
         super(server, entity);
     }
+
+    @Override
+    public String toString() {
+        return "CraftMinecartTNT";
+    }
+
+    public EntityType getType() {
+        return EntityType.MINECART_TNT;
+    }
 }