using UnityEngine;

namespace DynamicFogAndMist
{
	public class DemoFogOfWar : MonoBehaviour
	{
		private bool fogCuttingOn = true;

		private static GUIStyle labelStyle;

		private void Update()
		{
			DynamicFog instance = DynamicFogBase.instance;
			if (Input.GetKeyDown(KeyCode.F))
			{
				switch (instance.preset)
				{
				case FOG_PRESET.Clear:
				case FOG_PRESET.Custom:
					instance.preset = FOG_PRESET.Mist;
					break;
				case FOG_PRESET.Mist:
					instance.preset = FOG_PRESET.WindyMist;
					break;
				case FOG_PRESET.WindyMist:
					instance.preset = FOG_PRESET.GroundFog;
					break;
				case FOG_PRESET.GroundFog:
					instance.preset = FOG_PRESET.Fog;
					break;
				case FOG_PRESET.Fog:
					instance.preset = FOG_PRESET.HeavyFog;
					break;
				case FOG_PRESET.HeavyFog:
					instance.preset = FOG_PRESET.SandStorm;
					break;
				case FOG_PRESET.SandStorm:
					instance.preset = FOG_PRESET.Mist;
					break;
				}
			}
			else if (Input.GetKeyDown(KeyCode.T))
			{
				instance.enabled = !instance.enabled;
			}
			else if (Input.GetKeyDown(KeyCode.C))
			{
				fogCuttingOn = !fogCuttingOn;
				instance.fogOfWarEnabled = fogCuttingOn;
				instance.ResetFogOfWar();
			}
			else if (Input.GetKeyDown(KeyCode.R))
			{
				instance.ResetFogOfWar();
			}
			if (fogCuttingOn)
			{
				instance.SetFogOfWarAlpha(Camera.main.transform.position, 4f, 0f);
			}
		}

		private void OnGUI()
		{
			if (labelStyle == null)
			{
				labelStyle = new GUIStyle(GUI.skin.label);
				labelStyle.normal.textColor = Color.black;
			}
			Rect position = new Rect(10f, 10f, Screen.width - 20, 30f);
			GUI.Label(position, "Move around with WASD or cursor keys, space to jump, F key to change fog style, T to toggle fog on/off, C to toggle fog cutting, R to reset fog.", labelStyle);
			position = new Rect(10f, 30f, Screen.width - 20, 30f);
			GUI.Label(position, "Current fog preset: " + DynamicFogBase.instance.GetCurrentPresetName(), labelStyle);
			if (fogCuttingOn)
			{
				position = new Rect(10f, 50f, Screen.width - 20, 30f);
				GUI.Label(position, "FOG CUTTING ON", labelStyle);
			}
		}
	}
}