[Bleeding] Call BlockRedstoneEvent for all rails. Adds BUKKIT-4080

Previously, Detector Rails were the only rails that properly called
BlockRedstoneEvent when they changed from powered to unpowered. This commit
adds BlockRedstoneEvent calls for both Powered Rails and Activator Rails.

1 files changed, 15 insertions, 1 deletions

diff --git a/src/main/java/net/minecraft/server/BlockPoweredRail.java b/src/main/java/net/minecraft/server/BlockPoweredRail.java
index aa84a975..cd209058 100644
--- a/src/main/java/net/minecraft/server/BlockPoweredRail.java
+++ b/src/main/java/net/minecraft/server/BlockPoweredRail.java
@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
+
 public class BlockPoweredRail extends BlockMinecartTrackAbstract {
     protected BlockPoweredRail() {
         super(true);
@@ -115,9 +117,21 @@ public class BlockPoweredRail extends BlockMinecartTrackAbstract {
         boolean flag1 = false;
 
         if (flag && (l & 0x8) == 0) {
+            // CraftBukkit start
+            if (CraftEventFactory.callRedstoneChange(world, i, j, k, 0, 15).getNewCurrent() <= 0) {
+                return;
+            }
+            // CraftBukkit end
+
             world.setData(i, j, k, i1 | 0x8, 3);
             flag1 = true;
         } else if (!flag && (l & 0x8) != 0) {
+            // CraftBukkit start
+            if (CraftEventFactory.callRedstoneChange(world, i, j, k, 15, 0).getNewCurrent() > 0) {
+                return;
+            }
+            // CraftBukkit end
+
             world.setData(i, j, k, i1, 3);
             flag1 = true;
         }
@@ -129,4 +143,4 @@ public class BlockPoweredRail extends BlockMinecartTrackAbstract {
             }
         }
     }
-}
\ No newline at end of file
+}