Merge pull request #1735 from KennyTV/abstraction

Add fire connection handler

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_12to1_11_1/Protocol1_12To1_11_1.java

@@ -24,6 +24,7 @@ import us.myles.ViaVersion.protocols.protocol1_12to1_11_1.storage.EntityTracker1
 import us.myles.ViaVersion.protocols.protocol1_9_1_2to1_9_3_4.types.Chunk1_9_3_4Type;
 import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
 import us.myles.ViaVersion.protocols.protocol1_9to1_8.Protocol1_9To1_8;
+import us.myles.ViaVersion.util.GsonUtil;
 
 public class Protocol1_12To1_11_1 extends Protocol {
 
@@ -81,7 +82,7 @@ public class Protocol1_12To1_11_1 extends Protocol {
                     public void handle(PacketWrapper wrapper) throws Exception {
                         if (!Via.getConfig().is1_12NBTArrayFix()) return;
                         try {
-                            JsonElement obj = new JsonParser().parse(wrapper.get(Type.STRING, 0));
+                            JsonElement obj = GsonUtil.getJsonParser().parse(wrapper.get(Type.STRING, 0));
                             if (!TranslateRewriter.toClient(obj, wrapper.user())) {
                                 wrapper.cancel();
                                 return;

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_13to1_12_2/Protocol1_13To1_12_2.java

@@ -289,12 +289,12 @@ public class Protocol1_13To1_12_2 extends Protocol {
                         int index;
                         int length;
                         // If no input or new word (then it's the start)
-                        if (input.endsWith(" ") || input.length() == 0) {
+                        if (input.endsWith(" ") || input.isEmpty()) {
                             index = input.length();
                             length = 0;
                         } else {
                             // Otherwise find the last space (+1 as we include it)
-                            int lastSpace = input.lastIndexOf(" ") + 1;
+                            int lastSpace = input.lastIndexOf(' ') + 1;
                             index = lastSpace;
                             length = input.length() - lastSpace;
                         }
@@ -1212,7 +1212,7 @@ public class Protocol1_13To1_12_2 extends Protocol {
         // The Display Name is just colours which overwrites the suffix
         // It also overwrites for ANY colour in name but most plugins
         // will just send colour as 'invisible' character
-        if (ChatColor.stripColor(name).length() == 0) {
+        if (ChatColor.stripColor(name).isEmpty()) {
             StringBuilder newName = new StringBuilder();
             for (int i = 1; i < name.length(); i += 2) {
                 char colorChar = name.charAt(i);

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_13to1_12_2/blockconnections/ConnectionData.java

@@ -249,6 +249,7 @@ public class ConnectionData {
         initActions.addAll(ChorusPlantConnectionHandler.init());
         initActions.add(TripwireConnectionHandler.init());
         initActions.add(SnowyGrassConnectionHandler.init());
+        initActions.add(FireConnectionHandler.init());
         if (Via.getConfig().isVineClimbFix()) {
             initActions.add(VineConnectionHandler.init());
         }

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_13to1_12_2/blockconnections/FireConnectionHandler.java

@@ -0,0 +1,71 @@
+package us.myles.ViaVersion.protocols.protocol1_13to1_12_2.blockconnections;
+
+import us.myles.ViaVersion.api.data.UserConnection;
+import us.myles.ViaVersion.api.minecraft.BlockFace;
+import us.myles.ViaVersion.api.minecraft.Position;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+public class FireConnectionHandler extends ConnectionHandler {
+    private static final String[] WOOD_TYPES = {"oak", "spruce", "birch", "jungle", "acacia", "dark_oak"};
+    private static final Map<Byte, Integer> connectedBlocks = new HashMap<>();
+    private static final Set<Integer> flammableBlocks = new HashSet<>();
+
+    private static void addWoodTypes(Set<String> set, String suffix) {
+        for (String woodType : WOOD_TYPES) {
+            set.add("minecraft:" + woodType + suffix);
+        }
+    }
+
+    static ConnectionData.ConnectorInitAction init() {
+        Set<String> flammabeIds = new HashSet<>();
+        flammabeIds.add("minecraft:tnt");
+        flammabeIds.add("minecraft:vine");
+        flammabeIds.add("minecraft:bookshelf");
+        flammabeIds.add("minecraft:hay_block");
+        flammabeIds.add("minecraft:deadbush");
+        addWoodTypes(flammabeIds, "_slab");
+        addWoodTypes(flammabeIds, "_log");
+        addWoodTypes(flammabeIds, "_planks");
+        addWoodTypes(flammabeIds, "_leaves");
+        addWoodTypes(flammabeIds, "_fence");
+        addWoodTypes(flammabeIds, "_fence_gate");
+        addWoodTypes(flammabeIds, "_stairs");
+
+        FireConnectionHandler connectionHandler = new FireConnectionHandler();
+        return blockData -> {
+            String key = blockData.getMinecraftKey();
+            if (key.contains("_wool") || key.contains("_carpet") || flammabeIds.contains(key)) {
+                flammableBlocks.add(blockData.getSavedBlockStateId());
+            } else if (key.equals("minecraft:fire")) {
+                int id = blockData.getSavedBlockStateId();
+                connectedBlocks.put(getStates(blockData), id);
+                ConnectionData.connectionHandlerMap.put(id, connectionHandler);
+            }
+        };
+    }
+
+    private static byte getStates(WrappedBlockData blockData) {
+        byte states = 0;
+        if (blockData.getValue("east").equals("true")) states |= 1;
+        if (blockData.getValue("north").equals("true")) states |= 2;
+        if (blockData.getValue("south").equals("true")) states |= 4;
+        if (blockData.getValue("up").equals("true")) states |= 8;
+        if (blockData.getValue("west").equals("true")) states |= 16;
+        return states;
+    }
+
+    @Override
+    public int connect(UserConnection user, Position position, int blockState) {
+        byte states = 0;
+        if (flammableBlocks.contains(getBlockData(user, position.getRelative(BlockFace.EAST)))) states |= 1;
+        if (flammableBlocks.contains(getBlockData(user, position.getRelative(BlockFace.NORTH)))) states |= 2;
+        if (flammableBlocks.contains(getBlockData(user, position.getRelative(BlockFace.SOUTH)))) states |= 4;
+        if (flammableBlocks.contains(getBlockData(user, position.getRelative(BlockFace.TOP)))) states |= 8;
+        if (flammableBlocks.contains(getBlockData(user, position.getRelative(BlockFace.WEST)))) states |= 16;
+        return connectedBlocks.get(states);
+    }
+}

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_16to1_15_2/Protocol1_16To1_15_2.java

@@ -1,6 +1,5 @@
 package us.myles.ViaVersion.protocols.protocol1_16to1_15_2;
 
-import us.myles.ViaVersion.api.PacketWrapper;
 import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.data.UserConnection;
 import us.myles.ViaVersion.api.protocol.Protocol;

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_9to1_8/packets/PlayerPackets.java

@@ -1,7 +1,6 @@
 package us.myles.ViaVersion.protocols.protocol1_9to1_8.packets;
 
 import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
 import us.myles.ViaVersion.api.PacketWrapper;
 import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.entities.Entity1_10Types;
@@ -22,6 +21,7 @@ import us.myles.ViaVersion.protocols.protocol1_9to1_8.providers.CommandBlockProv
 import us.myles.ViaVersion.protocols.protocol1_9to1_8.providers.MainHandProvider;
 import us.myles.ViaVersion.protocols.protocol1_9to1_8.storage.ClientChunks;
 import us.myles.ViaVersion.protocols.protocol1_9to1_8.storage.EntityTracker1_9;
+import us.myles.ViaVersion.util.GsonUtil;
 
 public class PlayerPackets {
     public static void register(Protocol protocol) {
@@ -36,7 +36,7 @@ public class PlayerPackets {
                     @Override
                     public void handle(PacketWrapper wrapper) throws Exception {
                         try {
-                            JsonObject obj = (JsonObject) new JsonParser().parse(wrapper.get(Type.STRING, 0));
+                            JsonObject obj = (JsonObject) GsonUtil.getJsonParser().parse(wrapper.get(Type.STRING, 0));
                             ChatRewriter.toClient(obj, wrapper.user());
                             wrapper.set(Type.STRING, 0, obj.toString());
                         } catch (Exception e) {

common/src/main/java/us/myles/ViaVersion/util/GsonUtil.java

@@ -2,9 +2,11 @@ package us.myles.ViaVersion.util;
 
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import com.google.gson.JsonParser;
 
 public final class GsonUtil {
-    private static final Gson gson = getGsonBuilder().create();
+    private static final JsonParser JSON_PARSER = new JsonParser();
+    private static final Gson GSON = getGsonBuilder().create();
 
     /**
      * Get google's Gson magic
@@ -12,7 +14,7 @@ public final class GsonUtil {
      * @return Gson instance
      */
     public static Gson getGson() {
-        return gson;
+        return GSON;
     }
 
     /**
@@ -23,4 +25,8 @@ public final class GsonUtil {
     public static GsonBuilder getGsonBuilder() {
         return new GsonBuilder();
     }
+
+    public static JsonParser getJsonParser() {
+        return JSON_PARSER;
+    }
 }