Guild zone performance tweak

src/engine/InterestManagement/Terrain.java

@@ -35,14 +35,10 @@ public class Terrain {
         this.heightmap = this.zone.terrain_image;
 
         // Configure PLANAR zones to use the same 16x16 pixel image
-        // that all similar terrains share.  (See JSON)  Guild zones
-        // use an inverted clone of this heightmap.
+        // that all similar terrains share.  (See JSON)
 
         if (this.zone.terrain_type.equals("PLANAR"))
-            if (this.zone.guild_zone)
-                this.heightmap = 1006301;  // all 255
-            else
-                this.heightmap = 1006300;  // all 0
+            this.heightmap = 1006301;  // all 255
 
         // Load pixel data for this terrain from cache
 
@@ -170,6 +166,11 @@ public class Terrain {
 
         float interpolatedHeight;
 
+        // Early exit for guild zones
+
+        if (this.zone.guild_zone)
+            return 5.0f;
+
         Vector2f terrain_cell = getTerrainCell(terrain_loc);
 
         int pixel_x = (int) Math.floor(terrain_cell.x);