Major refactor and organization, optimizations to chunk, world and renderer

Worldgen/Worldgen.cs

@@ -0,0 +1,80 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Voxel.Core;
+
+namespace Voxel
+{
+    public static class Worldgen
+    {
+        private static int baseHeight = 32;
+
+        private static float res1 = 2;
+        private static float res2 = 4;
+        private static float amplitude1 = 4;
+        private static float amplitude2 = 2;
+
+        private static float elevationMapRes = (float)1/8;
+        private static float elevationMapAmplitude = 32;
+
+        private static Random random = new Random();
+        private static FastNoiseLite noise = new FastNoiseLite(random.Next());
+        
+        public static int GetHeight(int x, int z)
+        {
+            float map1 = noise.GetNoise(
+                x * res1,
+                z * res1
+                ) * amplitude1;
+
+            float map2 = noise.GetNoise(x * res2,
+                z * res2
+                ) * amplitude2;
+
+            float elevationMap = (noise.GetNoise(
+                x * elevationMapRes,
+                z * elevationMapRes
+                ) + 0.25f) * elevationMapAmplitude;
+            return baseHeight + (int)(elevationMap + map1 + map2);
+        }
+
+        public static Blocks GetBlock(int y, int maxY)
+        {
+            if (y > maxY)
+            {
+                return Blocks.Air;
+            }
+
+            if (y == maxY)
+            {
+                if (y < baseHeight)
+                    return Blocks.Sand;
+                else
+                    return Blocks.Grass;
+            }
+
+            if (y < 4)
+            {
+                if (y == 0) return Blocks.Bedrock;
+
+                float randomValue = random.NextSingle();
+
+                if (randomValue < (1f / y))
+                {
+                    return Blocks.Bedrock;
+                }
+
+                return Blocks.Stone;
+            }
+
+            if (y > maxY - 6)
+            {
+                return Blocks.Dirt;
+            }
+
+            return Blocks.Stone;
+        }
+    }
+}