Add a config option to change LOD brightness and saturation

Related to issue #36

src/main/java/com/seibel/lod/builders/lodTemplates/CubicLodTemplate.java

@@ -122,6 +122,14 @@ public class CubicLodTemplate extends AbstractLodTemplate
 			bottomColor = new Color(Math.max(0, c.getRed() - bottomDarkenAmount), Math.max(0, c.getGreen() - bottomDarkenAmount), Math.max(0, c.getBlue() - bottomDarkenAmount), c.getAlpha());
 		}
 		
+		float saturationMultiplier = LodConfig.CLIENT.saturationMultiplier.get().floatValue();
+		float brightnessMultiplier = LodConfig.CLIENT.brightnessMultiplier.get().floatValue();
+		
+		topColor = applySaturationAndBrightnessMultipliers(topColor, saturationMultiplier, brightnessMultiplier);
+		northSouthColor = applySaturationAndBrightnessMultipliers(northSouthColor, saturationMultiplier, brightnessMultiplier);
+		bottomColor = applySaturationAndBrightnessMultipliers(bottomColor, saturationMultiplier, brightnessMultiplier);
+		
+		
 		
 		// top (facing up)
 		addPosAndColor(buffer, bb.minX, bb.maxY, bb.minZ, topColor.getRed(), topColor.getGreen(), topColor.getBlue(), topColor.getAlpha());
@@ -157,6 +165,16 @@ public class CubicLodTemplate extends AbstractLodTemplate
 		addPosAndColor(buffer, bb.maxX, bb.minY, bb.minZ, eastWestColor.getRed(), eastWestColor.getGreen(), eastWestColor.getBlue(), eastWestColor.getAlpha());
 	}
 	
+	
+	/**
+	 * Edit the given color in HSV mode.
+	 */
+	private Color applySaturationAndBrightnessMultipliers(Color color, float saturationMultiplier, float brightnessMultiplier)
+	{
+		float[] hsv = Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), null);
+		return Color.getHSBColor(hsv[0], LodUtil.clamp(0.0f, hsv[1] * saturationMultiplier, 1.0f), LodUtil.clamp(0.0f, hsv[2] * brightnessMultiplier, 1.0f));
+	}
+
 
 	@Override
 	public int getBufferMemoryForSingleLod(LodDetail detail)

src/main/java/com/seibel/lod/handlers/LodConfig.java

@@ -72,6 +72,9 @@ public class LodConfig
 		 * to determine how far out to generate/render LODs */
 		public ForgeConfigSpec.IntValue lodChunkRadiusMultiplier;
 		
+		public ForgeConfigSpec.DoubleValue brightnessMultiplier;
+		
+		public ForgeConfigSpec.DoubleValue saturationMultiplier;
 		
 		
 		Client(ForgeConfigSpec.Builder builder)
@@ -226,6 +229,24 @@ public class LodConfig
             				+ " " + "Fastest /n")
 	                .defineEnum("lightingMode", ShadingMode.DARKEN_SIDES);
 	        
+	        
+	        
+	        brightnessMultiplier = builder
+	                .comment("\n\n"
+	                		+ " Change how bright LOD colors are. \n"
+	                		+ " 0 = black \n"
+	                		+ " 1 = normal color value \n"
+	                		+ " 2 = washed out colors \n")
+	                .defineInRange("brightnessMultiplier", 1.0, 0, 2);
+	        
+	        saturationMultiplier = builder
+	        		.comment("\n\n"
+	                		+ " Change how saturated LOD colors are. \n"
+	                		+ " 0 = black and white \n"
+	                		+ " 1 = normal saturation \n"
+	                		+ " 2 = very saturated \n")
+	                .defineInRange("saturationMultiplier", 1.0, 0, 2);
+	        
 	        builder.pop();
 	    }
 	}

src/main/java/com/seibel/lod/proxy/ClientProxy.java

@@ -120,6 +120,8 @@ public class ClientProxy
 //		LodConfig.CLIENT.fogDistance.set(FogDistance.FAR);
 //		LodConfig.CLIENT.fogDrawOverride.set(FogDrawOverride.ALWAYS_DRAW_FOG_FANCY);
 //		LodConfig.CLIENT.shadingMode.set(ShadingMode.DARKEN_SIDES);
+//		LodConfig.CLIENT.brightnessMultiplier.set(1.0);
+//		LodConfig.CLIENT.saturationMultiplier.set(1.0);
 		
 //		LodConfig.CLIENT.distanceGenerationMode.set(DistanceGenerationMode.FEATURES);
 //		LodConfig.CLIENT.allowUnstableFeatureGeneration.set(false);