Initial Commit

Assets/Scripts/World/CaveGenerator.cs

@@ -0,0 +1,48 @@
+using Unity.Collections;
+using Unity.Jobs;
+using UnityEngine;
+
+namespace DefaultNamespace.World
+{
+	public struct CaveGenerator : IJobParallelFor
+	{
+		[ReadOnly] public NativeArray<int> readOnlyMap;
+		public NativeArray<int> map;
+		public Vector2Int size;
+
+		public void Execute(int i)
+		{
+			var wallTiles = GetSurroundingWallCount(i % size.x, Mathf.FloorToInt(i / (float)size.x));
+			if (wallTiles > 4)
+			{
+				map[i] = 1;
+			}
+			else if (wallTiles < 4)
+			{
+				map[i] = 0;
+			}
+		}
+
+		private int GetSurroundingWallCount(int gX, int gY)
+		{
+			var wallCount = 0;
+			for (var x = gX - 1; x <= gX + 1; x++)
+			for (var y = gY - 1; y <= gY + 1; y++)
+			{
+				if (x >= 0 && x < size.x && y >= 0 && y < size.y)
+				{
+					if (x != gX || y != gY)
+					{
+						wallCount += readOnlyMap[y * size.x + x];
+					}
+				}
+				else
+				{
+					wallCount++;
+				}
+			}
+
+			return wallCount;
+		}
+	}
+}