abs is up the chain a step

src/engine/InterestManagement/Terrain.java

@@ -28,15 +28,14 @@ public class Terrain {
     public Vector2f cell_size = new Vector2f();
     public Vector2f cell_count = new Vector2f();
     public float terrain_scale;
-    public Vector2f minor_blend;
     public Vector2f major_blend;
+    public Vector2f minor_blend;
     public int heightmap;
     Zone zone;
 
     public Terrain(Zone zone) {
 
         this.zone = zone;
-
         this.heightmap = this.zone.terrain_image;
 
         // Configure PLANAR zones to use the same
@@ -73,7 +72,6 @@ public class Terrain {
         this.minor_blend.y = this.zone.min_blend / this.zone.minor_radius;
 
         this.terrain_scale = this.zone.terrain_max_y / 255f;
-
     }
 
     public static Zone getNextZoneWithTerrain(Zone zone) {
@@ -99,17 +97,15 @@ public class Terrain {
         return terrain_zone;
     }
 
-    public static float getWorldHeight(Zone currentZone, Vector3fImmutable worldLoc) {
-
-        Zone terrainZone;
+    public static float getWorldHeight(Zone zone, Vector3fImmutable world_loc) {
 
         // Retrieve the next zone with a terrain defined.
 
-        terrainZone = getNextZoneWithTerrain(currentZone);
+        Zone terrainZone = getNextZoneWithTerrain(zone);
 
         // Transform world loc into zone space coordinate system
 
-        Vector2f terrainLoc = ZoneManager.worldToTerrainSpace(worldLoc, terrainZone);
+        Vector2f terrainLoc = ZoneManager.worldToTerrainSpace(world_loc, terrainZone);
 
         // Interpolate height for this position in terrain
 
@@ -119,20 +115,20 @@ public class Terrain {
         return interpolatedChildHeight;
     }
 
-    public static float getWorldHeight(Vector3fImmutable worldLoc) {
+    public static float getWorldHeight(Vector3fImmutable world_loc) {
 
-        Zone currentZone = ZoneManager.findSmallestZone(worldLoc);
+        Zone currentZone = ZoneManager.findSmallestZone(world_loc);
 
         if (currentZone == null)
             return 0;
 
-        return getWorldHeight(currentZone, worldLoc);
+        return getWorldHeight(currentZone, world_loc);
 
     }
 
-    public Vector2f getTerrainCell(Vector2f terrainLoc) {
+    public Vector2f getTerrainCell(Vector2f terrain_loc) {
 
-        Vector2f terrain_cell = new Vector2f(terrainLoc.x / this.cell_size.x, terrainLoc.y / this.cell_size.y);
+        Vector2f terrain_cell = new Vector2f(terrain_loc.x / this.cell_size.x, terrain_loc.y / this.cell_size.y);
 
         // Clamp values when standing directly on pole
 
@@ -142,12 +138,11 @@ public class Terrain {
         return terrain_cell;
     }
 
-    public float getInterpolatedTerrainHeight(Vector2f terrainLoc) {
+    public float getInterpolatedTerrainHeight(Vector2f terrain_loc) {
 
-        try {
         float interpolatedHeight;
 
-            Vector2f terrain_cell = getTerrainCell(terrainLoc);
+        Vector2f terrain_cell = getTerrainCell(terrain_loc);
 
         int pixel_x = (int) Math.floor(terrain_cell.x);
         int pixel_y = (int) Math.floor(terrain_cell.y);
@@ -156,39 +151,35 @@ public class Terrain {
 
         //get 4 surrounding vertices from the pixel array.
 
-            float topLeftHeight;
-            float topRightHeight;
-            float bottomLeftHeight;
-            float bottomRightHeight;
+        float top_left_pixel;
+        float top_right_pixel;
+        float bottom_left_pixel;
+        float bottom_right_pixel;
 
-            topLeftHeight = terrain_pixel_data[pixel_x][pixel_y];
-            topRightHeight = terrain_pixel_data[pixel_x + 1][pixel_y];
-            bottomLeftHeight = terrain_pixel_data[pixel_x][pixel_y + 1];
-            bottomRightHeight = terrain_pixel_data[pixel_x + 1][pixel_y + 1];
+        top_left_pixel = terrain_pixel_data[pixel_x][pixel_y];
+        top_right_pixel = terrain_pixel_data[pixel_x + 1][pixel_y];
+        bottom_left_pixel = terrain_pixel_data[pixel_x][pixel_y + 1];
+        bottom_right_pixel = terrain_pixel_data[pixel_x + 1][pixel_y + 1];
 
         // Interpolate between the 4 vertices
 
-            interpolatedHeight = topLeftHeight * (1 - pixel_offset.x) * (1 - pixel_offset.y);
-            interpolatedHeight += topRightHeight * (1 - pixel_offset.y) * (pixel_offset.x);
-            interpolatedHeight += (bottomLeftHeight * (1 - pixel_offset.x) * pixel_offset.y);
-            interpolatedHeight += (bottomRightHeight * pixel_offset.y * pixel_offset.x);
+        interpolatedHeight = top_left_pixel * (1 - pixel_offset.x) * (1 - pixel_offset.y);
+        interpolatedHeight += top_right_pixel * (1 - pixel_offset.y) * (pixel_offset.x);
+        interpolatedHeight += (bottom_left_pixel * (1 - pixel_offset.x) * pixel_offset.y);
+        interpolatedHeight += (bottom_right_pixel * pixel_offset.y * pixel_offset.x);
 
         interpolatedHeight *= this.terrain_scale; // Scale height
 
         return interpolatedHeight;
 
-        } catch (Exception e) {
-            Logger.error(this.zone.zoneName + ":" + this.zone.getObjectUUID() + e);
-            return 0;
-        }
     }
 
-    public float terrainBlend(Vector2f zoneOffset) {
+    public float terrainBlend(Vector2f zone_offset) {
 
-        // Normalize terrain loc
+        // Normalize terrain offset
 
-        Vector2f normalizedLoc = new Vector2f(Math.abs(zoneOffset.x / this.terrain_size.x),
-                Math.abs(zoneOffset.y / terrain_size.y));
+        Vector2f normalizedLoc = new Vector2f(zone_offset.x / this.terrain_size.x,
+                zone_offset.y / terrain_size.y);
 
         float xval;