tags

common/src/main/java/us/myles/ViaVersion/protocols/protocolsnapshotto1_12_2/ProtocolSnapshotTo1_12_2.java

@@ -25,6 +25,8 @@ import us.myles.ViaVersion.protocols.protocolsnapshotto1_12_2.storage.EntityTrac
 import us.myles.ViaVersion.protocols.protocolsnapshotto1_12_2.storage.TabCompleteTracker;
 import us.myles.ViaVersion.protocols.protocolsnapshotto1_12_2.type.Particle1_13Type;
 
+import java.util.Map;
+
 // Development of 1.13 support!
 public class ProtocolSnapshotTo1_12_2 extends Protocol {
     public static final Particle1_13Type PARTICLE_TYPE = new Particle1_13Type();
@@ -166,6 +168,37 @@ public class ProtocolSnapshotTo1_12_2 extends Protocol {
                                 wrapper.write(Type.VAR_INT, 0); // Root node index
                             }
                         }).send(ProtocolSnapshotTo1_12_2.class);
+
+                        // Send tags packet
+                        wrapper.create(0x54, new ValueCreator() {
+                            @Override
+                            public void write(PacketWrapper wrapper) throws Exception {
+                                wrapper.write(Type.VAR_INT, MappingData.blockTags.size()); // block tags
+                                for (Map.Entry<String, int[]> tag : MappingData.blockTags.entrySet()) {
+                                    wrapper.write(Type.STRING, tag.getKey());
+                                    wrapper.write(Type.VAR_INT, tag.getValue().length);
+                                    for (int id : tag.getValue()) {
+                                        wrapper.write(Type.VAR_INT, id);
+                                    }
+                                }
+                                wrapper.write(Type.VAR_INT, MappingData.itemTags.size()); // item tags
+                                for (Map.Entry<String, int[]> tag : MappingData.itemTags.entrySet()) {
+                                    wrapper.write(Type.STRING, tag.getKey());
+                                    wrapper.write(Type.VAR_INT, tag.getValue().length);
+                                    for (int id : tag.getValue()) {
+                                        wrapper.write(Type.VAR_INT, id);
+                                    }
+                                }
+                                wrapper.write(Type.VAR_INT, MappingData.fluidTags.size()); // fluid tags
+                                for (Map.Entry<String, int[]> tag : MappingData.fluidTags.entrySet()) {
+                                    wrapper.write(Type.STRING, tag.getKey());
+                                    wrapper.write(Type.VAR_INT, tag.getValue().length);
+                                    for (int id : tag.getValue()) {
+                                        wrapper.write(Type.VAR_INT, id);
+                                    }
+                                }
+                            }
+                        }).send(ProtocolSnapshotTo1_12_2.class);
                     }
                 });
             }

common/src/main/java/us/myles/ViaVersion/protocols/protocolsnapshotto1_12_2/data/MappingData.java

@@ -1,5 +1,6 @@
 package us.myles.ViaVersion.protocols.protocolsnapshotto1_12_2.data;
 
+import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import us.myles.ViaVersion.util.GsonUtil;
@@ -13,6 +14,9 @@ import java.util.Map;
 public class MappingData {
     public static Map<Integer, Integer> oldToNewBlocks = new HashMap<>();
     public static Map<Integer, Integer> oldToNewItems = new HashMap<>();
+    public static Map<String, int[]> blockTags = new HashMap<>();
+    public static Map<String, int[]> itemTags = new HashMap<>();
+    public static Map<String, int[]> fluidTags = new HashMap<>();
 
     public static void init() {
         JsonObject mapping1_12 = loadData("mapping-1.12.json");
@@ -23,7 +27,9 @@ public class MappingData {
         mapIdentifiers(oldToNewBlocks, mapping1_12.getAsJsonObject("blocks"), mapping1_13.getAsJsonObject("blocks"));
         System.out.println("Loading item mapping...");
         mapIdentifiers(oldToNewItems, mapping1_12.getAsJsonObject("items"), mapping1_13.getAsJsonObject("items"));
-
+        loadTags(blockTags, mapping1_13.getAsJsonObject("block_tags"));
+        loadTags(itemTags, mapping1_13.getAsJsonObject("item_tags"));
+        loadTags(fluidTags, mapping1_13.getAsJsonObject("fluid_tags"));
     }
 
     private static void mapIdentifiers(Map<Integer, Integer> output, JsonObject oldIdentifiers, JsonObject newIdentifiers) {
@@ -47,6 +53,17 @@ public class MappingData {
         return null;
     }
 
+    private static void loadTags(Map<String, int[]> output, JsonObject newTags) {
+        for (Map.Entry<String, JsonElement> entry : newTags.entrySet()) {
+            JsonArray ids = entry.getValue().getAsJsonArray();
+            int[] idsArray = new int[ids.size()];
+            for (int i = 0; i < ids.size(); i++) {
+                idsArray[i] = Integer.parseInt(ids.get(i).getAsString());
+            }
+            output.put(entry.getKey(), idsArray);
+        }
+    }
+
     public static JsonObject loadData(String name) {
         InputStream stream = MappingData.class.getClassLoader().getResourceAsStream("assets/viaversion/data/" + name);
         InputStreamReader reader = new InputStreamReader(stream);