Merge branch 'master' into abstraction

common/src/main/java/us/myles/ViaVersion/AbstractViaConfig.java

@@ -45,7 +45,9 @@ public abstract class AbstractViaConfig extends Config implements ViaVersionConf
     private boolean serversideBlockConnections;
     private boolean reduceBlockStorageMemory;
     private boolean flowerStemWhenBlockAbove;
+    private boolean vineClimbFix;
     private boolean snowCollisionFix;
+    private boolean infestedBlocksFix;
     private int tabCompleteDelay;
     private boolean truncate1_14Books;
     private boolean leftHandedHandling;
@@ -100,7 +102,9 @@ public abstract class AbstractViaConfig extends Config implements ViaVersionConf
         serversideBlockConnections = getBoolean("serverside-blockconnections", false);
         reduceBlockStorageMemory = getBoolean("reduce-blockstorage-memory", false);
         flowerStemWhenBlockAbove = getBoolean("flowerstem-when-block-above", false);
+        vineClimbFix = getBoolean("vine-climb-fix", false);
         snowCollisionFix = getBoolean("fix-low-snow-collision", false);
+        infestedBlocksFix = getBoolean("fix-infested-block-breaking", true);
         tabCompleteDelay = getInt("1_13-tab-complete-delay", 0);
         truncate1_14Books = getBoolean("truncate-1_14-books", false);
         leftHandedHandling = getBoolean("left-handed-handling", true);
@@ -232,7 +236,7 @@ public abstract class AbstractViaConfig extends Config implements ViaVersionConf
     @Override
     public boolean isAutoTeam() {
         // Collision has to be enabled first
-        return isPreventCollision() && autoTeam;
+        return preventCollision && autoTeam;
     }
 
     @Override
@@ -305,11 +309,21 @@ public abstract class AbstractViaConfig extends Config implements ViaVersionConf
         return flowerStemWhenBlockAbove;
     }
 
+    @Override
+    public boolean isVineClimbFix() {
+        return vineClimbFix;
+    }
+
     @Override
     public boolean isSnowCollisionFix() {
         return snowCollisionFix;
     }
 
+    @Override
+    public boolean isInfestedBlocksFix() {
+        return infestedBlocksFix;
+    }
+
     @Override
     public int get1_13TabCompleteDelay() {
         return tabCompleteDelay;

common/src/main/java/us/myles/ViaVersion/api/ViaVersionConfig.java

@@ -280,6 +280,13 @@ public interface ViaVersionConfig {
      */
     boolean isStemWhenBlockAbove();
 
+    /**
+     * Vines not connected to any blocks will be mapped to air for 1.13+ clients to prevent them from climbing up.
+     *
+     * @return True if enabled
+     */
+    boolean isVineClimbFix();
+
     /**
      * When activated, the 1-layer snow will be sent as 2-layer snow to 1.13+ clients to have collision.
      *
@@ -287,6 +294,13 @@ public interface ViaVersionConfig {
      */
     boolean isSnowCollisionFix();
 
+    /**
+     * When activated, infested blocks will be mapped to their normal stone variants for 1.13+ clients.
+     *
+     * @return True if enabled
+     */
+    boolean isInfestedBlocksFix();
+
     /**
      * When greater than 0, enables tab complete request delaying by x ticks
      *

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

@@ -249,6 +249,10 @@ public class ConnectionData {
         initActions.addAll(ChorusPlantConnectionHandler.init());
         initActions.add(TripwireConnectionHandler.init());
         initActions.add(SnowyGrassConnectionHandler.init());
+        if (Via.getConfig().isVineClimbFix()) {
+            initActions.add(VineConnectionHandler.init());
+        }
+
         for (String key : keyToId.keySet()) {
             WrappedBlockData wrappedBlockData = WrappedBlockData.fromString(key);
             for (ConnectorInitAction action : initActions) {

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

@@ -0,0 +1,45 @@
+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.HashSet;
+import java.util.Set;
+
+class VineConnectionHandler extends ConnectionHandler {
+    private static final Set<Integer> vines = new HashSet<>();
+
+    static ConnectionData.ConnectorInitAction init() {
+        final VineConnectionHandler connectionHandler = new VineConnectionHandler();
+        return blockData -> {
+            if (!blockData.getMinecraftKey().equals("minecraft:vine")) return;
+
+            vines.add(blockData.getSavedBlockStateId());
+            ConnectionData.connectionHandlerMap.put(blockData.getSavedBlockStateId(), connectionHandler);
+        };
+    }
+
+    @Override
+    public int connect(UserConnection user, Position position, int blockState) {
+        if (isAttachedToBlock(user, position)) return blockState;
+
+        Position upperPos = position.getRelative(BlockFace.TOP);
+        int upperBlock = getBlockData(user, upperPos);
+        if (vines.contains(upperBlock) && isAttachedToBlock(user, upperPos)) return blockState;
+
+        // Map to air if not attached to block, and upper block is also not a vine attached to a block
+        return 0;
+    }
+
+    private boolean isAttachedToBlock(UserConnection user, Position position) {
+        return isAttachedToBlock(user, position, BlockFace.EAST)
+                || isAttachedToBlock(user, position, BlockFace.WEST)
+                || isAttachedToBlock(user, position, BlockFace.NORTH)
+                || isAttachedToBlock(user, position, BlockFace.SOUTH);
+    }
+
+    private boolean isAttachedToBlock(UserConnection user, Position position, BlockFace blockFace) {
+        return ConnectionData.occludingStates.contains(getBlockData(user, position.getRelative(blockFace)));
+    }
+}

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_13to1_12_2/data/MappingData.java

@@ -141,6 +141,7 @@ public class MappingData {
             }
 
             // Remap infested blocks, as they are instantly breakabale in 1.13+ and can't be broken by those clients on older servers
+            if (Via.getConfig().isInfestedBlocksFix()) {
                 oldToNew[1552] = 1; // stone
                 oldToNew[1553] = 14; // cobblestone
                 oldToNew[1554] = 3983; // stone bricks
@@ -150,3 +151,4 @@ public class MappingData {
             }
         }
     }
+}

common/src/main/resources/assets/viaversion/config.yml

@@ -118,6 +118,8 @@ disable-1_13-auto-complete: false
 1_13-tab-complete-delay: 0
 # For 1.13 clients the smallest (1 layer) snow doesn't have collision, this will send these as 2 snowlayers for 1.13+ clients to prevent them bugging through them
 fix-low-snow-collision: false
+# Infested blocks are instantly breakable for 1.13+ clients, resulting in them being unable to break them on sub 1.13 servers. This remaps them to their normal stone variants
+fix-infested-block-breaking: true
 # In 1.14 the client page limit has been upped to 100 (from 50). Some anti-exploit plugins ban when clients go higher than 50. This option cuts edited books to 50 pages.
 truncate-1_14-books: false
 # This prevents clients using 1.9-1.13 on 1.8 servers from receiving no knockback/having velocity bugs whilst sneaking under a block.
@@ -133,7 +135,7 @@ fix-1_14-health-nan: true
 # Should 1.15+ clients respawn instantly / without showing a death screen?
 use-1_15-instant-respawn: false
 #
-# Enable serverside block-connections for 1.13+ clients
+# Enable serverside block-connections for 1.13+ clients - all of the options in this section are built around this option
 serverside-blockconnections: false
 # Sets the method for the block connections (world for highly experimental (USE AT OWN RISK) world-level or packet for packet-level)
 blockconnection-method: packet
@@ -142,6 +144,8 @@ reduce-blockstorage-memory: false
 # When activated with serverside-blockconnections, flower parts with blocks above will be sent as stems
 # Useful for lobbyservers where users can't build and those stems are used decoratively
 flowerstem-when-block-above: false
+# Vines that are not connected to blocks will be mapped to air, else 1.13+ would still be able to climb up on them.
+vine-climb-fix: false
 #
 #----------------------------------------------------------#
 #             1.9+ CLIENTS ON 1.8 SERVERS OPTIONS          #