Handle mob spawner changes

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/block_entity_handlers/SpawnerHandler.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2016 Matsv
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.block_entity_handlers;
+
+import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.data.EntityNameRewrites;
+import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.providers.BackwardsBlockEntityProvider;
+import us.myles.ViaVersion.api.data.UserConnection;
+import us.myles.viaversion.libs.opennbt.tag.builtin.CompoundTag;
+import us.myles.viaversion.libs.opennbt.tag.builtin.StringTag;
+
+public class SpawnerHandler implements BackwardsBlockEntityProvider.BackwardsBlockEntityHandler {
+    @Override
+    public CompoundTag transform(UserConnection user, int blockId, CompoundTag tag) {
+        if (tag.contains("SpawnData") && tag.get("SpawnData") instanceof CompoundTag) {
+            CompoundTag data = tag.get("SpawnData");
+            if (data.contains("id") && data.get("id") instanceof StringTag) {
+                StringTag s = data.get("id");
+                s.setValue(EntityNameRewrites.rewrite(s.getValue()));
+            }
+        }
+
+        return tag;
+    }
+}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/data/EntityNameRewrites.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2016 Matsv
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.data;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+public class EntityNameRewrites {
+    private static Map<String, String> entityNames = new ConcurrentHashMap<>();
+
+    static {
+        /*
+            CHANGED NAMES IN 1.13
+         */
+        reg("commandblock_minecart", "command_block_minecart");
+        reg("ender_crystal", "end_crystal");
+        reg("evocation_fangs", "evoker_fangs");
+        reg("evocation_illager", "evoker");
+        reg("eye_of_ender_signal", "eye_of_ender");
+        reg("fireworks_rocket", "firework_rocket");
+        reg("illusion_illager", "illusioner");
+        reg("snowman", "snow_golem");
+        reg("villager_golem", "iron_golem");
+        reg("vindication_illager", "vindicator");
+        reg("xp_bottle", "experience_bottle");
+        reg("xp_orb", "experience_orb");
+    }
+
+
+    private static void reg(String past, String future) {
+        entityNames.put("minecraft:" + future, "minecraft:" + past);
+    }
+
+    public static String rewrite(String entName) {
+        String entityName = entityNames.get(entName);
+        if (entityName != null) {
+            return entityName;
+        }
+        entityName = entityNames.get("minecraft:" + entName);
+        if (entityName != null) {
+            return entityName;
+        } else
+            return entName;
+    }
+}

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/packets/BlockItemPackets1_13.java

@@ -72,21 +72,17 @@ public class BlockItemPackets1_13 extends Rewriter<Protocol1_12_2To1_13> {
                     public void handle(PacketWrapper wrapper) throws Exception {
                         BackwardsBlockEntityProvider provider = Via.getManager().getProviders().get(BackwardsBlockEntityProvider.class);
 
-                        switch (wrapper.get(Type.UNSIGNED_BYTE, 0)) {
-                            case 4:
-                            case 6:
-                            case 11:
+                        // TODO conduit handling
+                        if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 5) {
+                            wrapper.cancel();
+                        }
+
                         wrapper.set(Type.NBT, 0,
                                 provider.transform(
                                         wrapper.user(),
                                         wrapper.get(Type.POSITION, 0),
                                         wrapper.get(Type.NBT, 0)
                                 ));
-                                break;
-                            default:
-                                wrapper.cancel(); // TODO CONFIRM EVERYTHING WORKING BEFORE REMOVING THIS
-                                break;
-                        }
                     }
                 });
             }

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/providers/BackwardsBlockEntityProvider.java

@@ -10,10 +10,7 @@
 
 package nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.providers;
 
-import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.block_entity_handlers.BannerHandler;
-import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.block_entity_handlers.BedHandler;
-import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.block_entity_handlers.FlowerPotHandler;
-import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.block_entity_handlers.SkullHandler;
+import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.block_entity_handlers.*;
 import nl.matsv.viabackwards.protocol.protocol1_12_2to1_13.storage.BackwardsBlockStorage;
 import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.data.UserConnection;
@@ -32,7 +29,7 @@ public class BackwardsBlockEntityProvider implements Provider {
         handlers.put("minecraft:bed", new BedHandler());
         handlers.put("minecraft:banner", new BannerHandler());
         handlers.put("minecraft:skull", new SkullHandler());
-//        handlers.put("minecraft:mob_spawner", );
+        handlers.put("minecraft:mob_spawner", new SpawnerHandler());
     }
 
     /**

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_12_2to1_13/storage/BackwardsBlockStorage.java

@@ -35,11 +35,9 @@ public class BackwardsBlockStorage extends StoredObject {
         // Add the banners
         for (int i = 6854; i <= 7173; i++)
             whitelist.add(i);
-//
-        // Add the white wall banners
-//        for (int i = 0; i < 4; i++) {
-//            whitelist.add(7110 + i);
-//        }
+
+        // Spawner
+        whitelist.add(1647);
 
         // Skulls
         for (int i = 5447; i <= 5566; i++)