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

Core/Input.cs

@@ -0,0 +1,38 @@
+using OpenTK.Windowing.Common;
+using OpenTK.Windowing.GraphicsLibraryFramework;
+
+namespace Voxel.Core
+{
+    public static class Input
+    {
+        private static Dictionary<Keys, bool> _keystates = new Dictionary<Keys, bool>();
+        private static Dictionary<MouseButton, bool> _mouseButtonStates = new Dictionary<MouseButton, bool>();
+
+        public static Action<MouseWheelEventArgs> OnMouseWheel;
+
+        public static bool GetMouseButton(MouseButton button)
+        {
+            return _mouseButtonStates.TryGetValue(button, out bool pressed) && pressed;
+        }
+
+        public static void SetMouseButton(MouseButton button, bool pressed)
+        {
+            _mouseButtonStates[button] = pressed;
+        }
+
+        public static bool GetKey(Keys key)
+        {
+            return _keystates.TryGetValue(key, out bool pressed) && pressed;
+        }
+
+        public static void SetKey(Keys key, bool pressed)
+        {
+            _keystates[key] = pressed;
+        }
+
+        public static void MouseWheel(MouseWheelEventArgs e)
+        {
+            OnMouseWheel.Invoke(e);
+        }
+    }
+}