using UnityEngine;
using UnityEngine.Rendering;

namespace VolumetricFogAndMist
{
	public class DemoWalk : MonoBehaviour
	{
		private void Start()
		{
			GameObject gameObject = GameObject.Find("Elephant");
			gameObject.GetComponent<Renderer>().shadowCastingMode = ShadowCastingMode.On;
		}

		private void Update()
		{
			VolumetricFog instance = VolumetricFog.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.FrostedGround;
					break;
				case FOG_PRESET.FrostedGround:
					instance.preset = FOG_PRESET.FoggyLake;
					break;
				case FOG_PRESET.FoggyLake:
					instance.preset = FOG_PRESET.Fog;
					break;
				case FOG_PRESET.Fog:
					instance.preset = FOG_PRESET.HeavyFog;
					break;
				case FOG_PRESET.HeavyFog:
					instance.preset = FOG_PRESET.LowClouds;
					break;
				case FOG_PRESET.LowClouds:
					instance.preset = FOG_PRESET.SeaClouds;
					break;
				case FOG_PRESET.SeaClouds:
					instance.preset = FOG_PRESET.Smoke;
					break;
				case FOG_PRESET.Smoke:
					instance.preset = FOG_PRESET.ToxicSwamp;
					break;
				case FOG_PRESET.ToxicSwamp:
					instance.preset = FOG_PRESET.SandStorm1;
					break;
				case FOG_PRESET.SandStorm1:
					instance.preset = FOG_PRESET.SandStorm2;
					break;
				case FOG_PRESET.SandStorm2:
					instance.preset = FOG_PRESET.Mist;
					break;
				}
			}
			else if (Input.GetKeyDown(KeyCode.T))
			{
				instance.enabled = !instance.enabled;
			}
		}

		private void OnGUI()
		{
			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.");
			position = new Rect(10f, 30f, Screen.width - 20, 30f);
			GUI.Label(position, "Current fog preset: " + VolumetricFog.instance.GetCurrentPresetName());
		}
	}
}