Grid flip testing

src/engine/InterestManagement/HeightMap.java

@@ -15,7 +15,6 @@ import engine.gameManager.ZoneManager;
 import engine.math.Vector2f;
 import engine.math.Vector3fImmutable;
 import engine.objects.Zone;
-import engine.util.MapLoader;
 import org.pmw.tinylog.Logger;
 
 import javax.imageio.ImageIO;
@@ -92,7 +91,7 @@ public class HeightMap {
 
         // We needed to flip the image as OpenGL and Shadowbane both use the bottom left corner as origin.
 
-        this.heightmapImage = MapLoader.flipImage(this.heightmapImage);
+        // this.heightmapImage = MapLoader.flipImage(this.heightmapImage);
 
         // Calculate the data we do not load from table
 
@@ -122,14 +121,11 @@ public class HeightMap {
         this.outsetX = 128;
         this.outsetZ = 128;
 
-
         // Cache the full extents to avoid the calculation
 
         this.fullExtentsX = halfExtentsX * 2;
         this.fullExtentsY = halfExtentsY * 2;
 
-        // We needed to flip the image as OpenGL and Shadowbane both use the bottom left corner as origin.
-
         this.heightmapImage = null;
 
         // Calculate the data we do not load from table
@@ -163,8 +159,6 @@ public class HeightMap {
         this.fullExtentsX = halfExtentsX * 2;
         this.fullExtentsY = halfExtentsY * 2;
 
-        // We needed to flip the image as OpenGL and Shadowbane both use the bottom left corner as origin.
-
         this.heightmapImage = null;
 
         // Calculate the data we do not load from table
@@ -325,7 +319,6 @@ public class HeightMap {
 
         HeightMap.GeneratePlayerCityHeightMap();
 
-
         // Clear all heightmap image data as it's no longer needed.
 
         for (HeightMap heightMap : HeightMap.heightmapByLoadNum.values()) {
@@ -351,14 +344,18 @@ public class HeightMap {
         if (zoneLoc.x < 0)
             zoneLoc.setX(0);
 
-        if (zoneLoc.x > this.fullExtentsX - 1)
+        if (zoneLoc.x >= this.fullExtentsX)
-            zoneLoc.setX((this.fullExtentsX - 1) + .9999999f);
+            zoneLoc.setX(this.fullExtentsX);
 
         if (zoneLoc.y < 0)
             zoneLoc.setY(0);
 
-        if (zoneLoc.y > this.fullExtentsY - 1)
+        if (zoneLoc.y > this.fullExtentsY)
-            zoneLoc.setY((this.fullExtentsY - 1) + .9999999f);
+            zoneLoc.setY(this.fullExtentsY);
+
+        // Flip Y coordinates
+
+        zoneLoc.setY(this.fullExtentsY - zoneLoc.y);
 
         float xBucket = (zoneLoc.x / this.bucketWidthX);
         float yBucket = (zoneLoc.y / this.bucketWidthY);