little performance gain in world render

src/mightypork/rogue/world/map/Level.java

@@ -13,6 +13,7 @@ import mightypork.rogue.world.tile.Tiles;
 import mightypork.util.files.ion.Ion;
 import mightypork.util.files.ion.IonConstructor;
 import mightypork.util.files.ion.Ionizable;
+import mightypork.util.math.noise.NoiseGen;
 
 
 /**
@@ -31,6 +32,8 @@ public class Level implements MapAccess, Ionizable {
 	
 	/** Level seed (used for generation and tile variation) */
 	public long seed;
+
+	private NoiseGen noiseGen;
 	
 	
 	@IonConstructor
@@ -190,4 +193,13 @@ public class Level implements MapAccess, Ionizable {
 		}
 	}
 	
+	@Override
+	public NoiseGen getNoiseGen()
+	{
+		if (noiseGen == null) {
+			noiseGen = new NoiseGen(0.2, 0, 0.5, 1, seed);
+		}
+		
+		return noiseGen;
+	}
 }

src/mightypork/rogue/world/map/MapAccess.java

@@ -2,6 +2,7 @@ package mightypork.rogue.world.map;
 
 
 import mightypork.rogue.world.tile.Tile;
+import mightypork.util.math.noise.NoiseGen;
 
 
 /**
@@ -37,4 +38,7 @@ public interface MapAccess {
 	 * @return map seed
 	 */
 	long getSeed();
+
+
+	NoiseGen getNoiseGen();
 }

src/mightypork/rogue/world/map/TileRenderContext.java

@@ -27,7 +27,7 @@ public final class TileRenderContext implements RectBound {
 	{
 		this.map = map;
 		this.tiler = drawArea.tiles(map.getWidth(), map.getHeight());
-		this.noise = new NoiseGen(0.2, 0, 0.5, 1, map.getSeed());
+		this.noise = map.getNoiseGen();
 	}