diff --git a/src/main/kotlin/Rs2MapEditor.kt b/src/main/kotlin/Rs2MapEditor.kt
index aff3cf4..abd8639 100644
--- a/src/main/kotlin/Rs2MapEditor.kt
+++ b/src/main/kotlin/Rs2MapEditor.kt
@@ -432,8 +432,72 @@ object Rs2MapEditor {
                     g.drawPolyline(xArray, yArray, nPoints)
                     g.color = color
                 }
+
+                9,7,6,8 -> {
+                    if(scenery.id == 85 || scenery.id == 83) return
+                    when(scenery.rotation){
+                        0,2 -> {pointX1 = 0; pointY1 = height; pointX2 = width; pointY2 = 0}
+                        1,3 -> {pointX1 = 0; pointY1 = 0; pointX2 = width; pointY2 = height}
+                    }
+
+                    val overlayNorth = getOverlayId(scenery.x + 1, scenery.y)
+                    val overlaySouth = getOverlayId(scenery.x - 1, scenery.y)
+                    val northWest = getOverlayId(scenery.x - 1, scenery.y + 1)
+                    val north = getOverlayId(scenery.x, scenery.y + 1)
+                    val northEast = getOverlayId(scenery.x + 1, scenery.y + 1)
+                    val east = getOverlayId(scenery.x + 1, scenery.y)
+                    val southWest = getOverlayId(scenery.x - 1, scenery.y - 1)
+                    val south = getOverlayId(scenery.x, scenery.y - 1)
+                    val southEast = getOverlayId(scenery.x + 1, scenery.y - 1)
+                    val west = getOverlayId(scenery.x - 1, scenery.y)
+
+                    var backFillVertice = Pair(0,0)
+                    when(scenery.rotation){
+                        0, 2 -> {
+                            val sumA = getOverlaySum(north, northWest, west)
+                            val sumB = getOverlaySum(south, southEast, east)
+                            backFillVertice = if(sumA > sumB) Pair(width,height)
+                            else if (sumA == sumB) Pair(-1,-1)
+                            else Pair(0,0)
+                        }
+                        1,3 -> {
+                            val sumA = getOverlaySum(north, northEast, east)
+                            val sumB = getOverlaySum(south, southWest, west)
+                            backFillVertice = if(sumA > sumB) Pair(0,height)
+                            else if (sumA == sumB) Pair(-1,-1)
+                            else Pair(width,0)
+                        }
+                    }
+
+                    val fluDef = getUnderlayColor(scenery.x, scenery.y)
+                    g.color = fluDef
+                    if(overlaySouth != overlayNorth && backFillVertice.first != -1)
+                        g.fillPolygon(intArrayOf(pointX1, pointX2, backFillVertice.first), intArrayOf(pointY1, pointY2, backFillVertice.second), 3)
+                    g.color = color
+                    g.drawLine(pointX1, pointY1, pointX2, pointY2)
+                }
             }
         }
+
+        fun getOverlaySum(vararg overlays: Int): Int{
+            var sum = 0
+            for(overlay in overlays){
+                sum += overlay.coerceAtMost(1)
+            }
+            return sum
+        }
+
+        fun getUnderlayColor(x: Int, y: Int): Color {
+            var underlayID = (MapTileParser.definition.getTile(x, y, plane).underlayId - 1)
+            if (underlayID < 0) {
+                underlayID = 0
+            }
+            return underlayMap[underlayID]?.getRGB() ?: Color.BLACK
+        }
+
+        fun getOverlayId(x: Int, y: Int): Int {
+            return MapTileParser.definition.getTile(x, y, plane).overlayId
+        }
     }
 
     class ScrollPane : JPanel() {