From abfbeffbb0755fc59abbec22a2519511b33fe7bc Mon Sep 17 00:00:00 2001
From: Jesse Boyd <jessepaleg@gmail.com>
Date: Sat, 23 Sep 2017 15:09:03 +1000
Subject: [PATCH] Skip y=255, block when finding a free spot

---
 .../main/java/com/plotsquared/bukkit/util/BukkitUtil.java  | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Bukkit/src/main/java/com/plotsquared/bukkit/util/BukkitUtil.java b/Bukkit/src/main/java/com/plotsquared/bukkit/util/BukkitUtil.java
index 14fc9e2fe..a515cdfd6 100644
--- a/Bukkit/src/main/java/com/plotsquared/bukkit/util/BukkitUtil.java
+++ b/Bukkit/src/main/java/com/plotsquared/bukkit/util/BukkitUtil.java
@@ -173,12 +173,14 @@ public class BukkitUtil extends WorldUtil {
     public int getHighestBlock(String world, int x, int z) {
         World bukkitWorld = getWorld(world);
         // Skip top and bottom block
-        for (int y = bukkitWorld.getMaxHeight() - 2; y > 0; y--) {
+        int air = 1;
+        for (int y = bukkitWorld.getMaxHeight() - 1; y >= 0; y--) {
             Block block = bukkitWorld.getBlockAt(x, y, z);
             if (block != null) {
                 Material type = block.getType();
                 if (type.isSolid()) {
-                    return y + 1;
+                    if (air > 1) return y + 1;
+                    air = 0;
                 } else {
                     switch (type) {
                         case WATER:
@@ -187,6 +189,7 @@ public class BukkitUtil extends WorldUtil {
                         case STATIONARY_WATER:
                             return y;
                     }
+                    air++;
                 }
             }
         }