From 1ec5689002ceb8e6a94240502dd2a59b53953f04 Mon Sep 17 00:00:00 2001
From: Bukkit/Spigot <noreply+git-bukkit@papermc.io>
Date: Fri, 31 Dec 2010 21:17:16 -0500
Subject: [PATCH] Reimplemented BlockFlow to use multiple BlockFromToEvents

By: durron597 <martin.jared@gmail.com>
---
 .../bukkit/event/block/BlockFlowEvent.java    | 85 -------------------
 .../bukkit/event/block/BlockFromToEvent.java  | 15 +++-
 .../org/bukkit/event/block/BlockListener.java |  2 +-
 3 files changed, 15 insertions(+), 87 deletions(-)
 delete mode 100644 paper-api/src/org/bukkit/event/block/BlockFlowEvent.java

diff --git a/paper-api/src/org/bukkit/event/block/BlockFlowEvent.java b/paper-api/src/org/bukkit/event/block/BlockFlowEvent.java
deleted file mode 100644
index a91cedfdcd..0000000000
--- a/paper-api/src/org/bukkit/event/block/BlockFlowEvent.java
+++ /dev/null
@@ -1,85 +0,0 @@
-package org.bukkit.event.block;
-
-import java.util.HashSet;
-import java.util.List;
-
-import org.bukkit.Block;
-import org.bukkit.BlockFace;
-import org.bukkit.event.Event;
-
-/**
- * Holds information for events with a source block and a destination block
- */
-public class BlockFlowEvent extends BlockEvent {
-    protected final HashSet<BlockFlow> faceList;
-
-    public BlockFlowEvent(final Event.Type type, final Block block, BlockFace... faces) {
-        super(type, block);
-        this.faceList = new HashSet<BlockFlow>();
-        if (faces != null && faces.length > 0) {
-        	for (BlockFace theFace : faces) {
-        		faceList.add(new BlockFlow(theFace));
-        	}
-        }
-    }
-    
-    public BlockFlowEvent(final Event.Type type, final Block block, List<BlockFace> faces) {
-        super(type, block);
-        this.faceList = new HashSet<BlockFlow>();
-        if (faces != null && faces.size() > 0) {
-        	for (BlockFace theFace : faces) {
-        		faceList.add(new BlockFlow(theFace));
-        	}
-        }
-    }
-
-    /**
-     * We don't want plugins changing the eligible flowing faces
-     * therefore give them a new HashSet instance
-     *
-     * @return Block the block is event originated from
-     */
-    public HashSet<BlockFlow> getFaces() {
-        return new HashSet<BlockFlow>(faceList);
-    }
-    
-    /**
-     * Class that represents a flow direction and whether it's cancelled
-     */
-    public class BlockFlow {
-    	private final BlockFace flowDirection;
-    	private boolean cancelled;
-    	
-    	public BlockFlow(BlockFace flowDirection) {
-    		this.flowDirection = flowDirection;
-    		cancelled = false;
-    	}
-    	
-    	public BlockFace getFlowDirection() {
-    		return flowDirection;
-    	}
-    	
-    	public boolean isCancelled() {
-    		return cancelled;
-    	}
-    	
-    	public void setCancelled(boolean cancel) {
-    		cancelled = cancel;
-    	}
-    	
-    	@Override
-    	public boolean equals(Object o) {
-    		if (!(o instanceof BlockFlow)) return false;
-    		return equals((BlockFlow) o);
-    	}
-    	
-    	public boolean equals(BlockFlow flow) {
-    		return flowDirection.equals(flow.flowDirection);
-    	}
-    	
-    	@Override
-    	public int hashCode() {
-    		return flowDirection.hashCode();
-    	}
-    }
-}
diff --git a/paper-api/src/org/bukkit/event/block/BlockFromToEvent.java b/paper-api/src/org/bukkit/event/block/BlockFromToEvent.java
index 2fcbcf0c76..cc0a30fa3c 100644
--- a/paper-api/src/org/bukkit/event/block/BlockFromToEvent.java
+++ b/paper-api/src/org/bukkit/event/block/BlockFromToEvent.java
@@ -2,12 +2,13 @@ package org.bukkit.event.block;
 
 import org.bukkit.Block;
 import org.bukkit.BlockFace;
+import org.bukkit.event.Cancellable;
 import org.bukkit.event.Event;
 
 /**
  * Holds information for events with a source block and a destination block
  */
-public class BlockFromToEvent extends BlockEvent {
+public class BlockFromToEvent extends BlockEvent implements Cancellable {
     protected Block from;
 	protected BlockFace face;
 
@@ -34,4 +35,16 @@ public class BlockFromToEvent extends BlockEvent {
     public Block getFromBlock() {
     	return from; 
     }
+
+	@Override
+	public boolean isCancelled() {
+		// TODO Auto-generated method stub
+		return false;
+	}
+
+	@Override
+	public void setCancelled(boolean cancel) {
+		// TODO Auto-generated method stub
+		
+	}
 }
diff --git a/paper-api/src/org/bukkit/event/block/BlockListener.java b/paper-api/src/org/bukkit/event/block/BlockListener.java
index b9dd9c8041..2165d4aab8 100644
--- a/paper-api/src/org/bukkit/event/block/BlockListener.java
+++ b/paper-api/src/org/bukkit/event/block/BlockListener.java
@@ -27,7 +27,7 @@ public class BlockListener implements Listener {
      *
      * @param event Relevant event details
      */
-    public void onBlockFlow(BlockFlowEvent event) {
+    public void onBlockFlow(BlockFromToEvent event) {
     }
 
     /**