using System;
using UnityEngine;

namespace Es.InkPainter
{
	[Serializable]
	public class Brush : ICloneable
	{
		public enum ColorBlendType
		{
			UseColor = 0,
			UseBrush = 1,
			Neutral = 2,
			AlphaOnly = 3
		}

		public enum NormalBlendType
		{
			UseBrush = 0,
			Add = 1,
			Sub = 2,
			Min = 3,
			Max = 4
		}

		public enum HeightBlendType
		{
			UseBrush = 0,
			Add = 1,
			Sub = 2,
			Min = 3,
			Max = 4,
			ColorRGB_HeightA = 5
		}

		[SerializeField]
		private Texture brushTexture;

		[SerializeField]
		private Texture brushNormalTexture;

		[SerializeField]
		private Texture brushHeightTexture;

		[SerializeField]
		[Range(0f, 1f)]
		private float brushScale = 0.1f;

		[SerializeField]
		[Range(0f, 360f)]
		private float rotateAngle;

		[SerializeField]
		[Range(0f, 1f)]
		private float brushNormalBlend = 0.1f;

		[SerializeField]
		[Range(0f, 1f)]
		private float brushHeightBlend = 0.1f;

		[SerializeField]
		private Color brushColor;

		[SerializeField]
		private ColorBlendType colorBlendType;

		[SerializeField]
		private NormalBlendType normalBlendType;

		[SerializeField]
		private HeightBlendType heightBlendType;

		public Texture BrushTexture
		{
			get
			{
				return brushTexture;
			}
			set
			{
				brushTexture = value;
			}
		}

		public Texture BrushNormalTexture
		{
			get
			{
				return brushNormalTexture;
			}
			set
			{
				brushNormalTexture = value;
			}
		}

		public Texture BrushHeightTexture
		{
			get
			{
				return brushHeightTexture;
			}
			set
			{
				brushHeightTexture = value;
			}
		}

		public float Scale
		{
			get
			{
				return Mathf.Clamp01(brushScale);
			}
			set
			{
				brushScale = Mathf.Clamp01(value);
			}
		}

		public float RotateAngle
		{
			get
			{
				return rotateAngle;
			}
			set
			{
				rotateAngle = value;
			}
		}

		public float NormalBlend
		{
			get
			{
				return Mathf.Clamp01(brushNormalBlend);
			}
			set
			{
				brushNormalBlend = Mathf.Clamp01(value);
			}
		}

		public float HeightBlend
		{
			get
			{
				return Mathf.Clamp01(brushHeightBlend);
			}
			set
			{
				brushHeightBlend = Mathf.Clamp01(value);
			}
		}

		public Color Color
		{
			get
			{
				return brushColor;
			}
			set
			{
				brushColor = value;
			}
		}

		public ColorBlendType ColorBlending
		{
			get
			{
				return colorBlendType;
			}
			set
			{
				colorBlendType = value;
			}
		}

		public NormalBlendType NormalBlending
		{
			get
			{
				return normalBlendType;
			}
			set
			{
				normalBlendType = value;
			}
		}

		public HeightBlendType HeightBlending
		{
			get
			{
				return heightBlendType;
			}
			set
			{
				heightBlendType = value;
			}
		}

		public Brush(Texture brushTex, float scale, Color color)
		{
			BrushTexture = brushTex;
			Scale = scale;
			Color = color;
		}

		public Brush(Texture brushTex, float scale, Color color, ColorBlendType colorBlending)
			: this(brushTex, scale, color)
		{
			ColorBlending = colorBlending;
		}

		public Brush(Texture brushTex, float scale, Color color, Texture normalTex, float normalBlend)
			: this(brushTex, scale, color)
		{
			BrushNormalTexture = normalTex;
			NormalBlend = normalBlend;
		}

		public Brush(Texture brushTex, float scale, Color color, Texture normalTex, float normalBlend, ColorBlendType colorBlending, NormalBlendType normalBlending)
			: this(brushTex, scale, color, normalTex, normalBlend)
		{
			ColorBlending = colorBlending;
			NormalBlending = normalBlending;
		}

		public Brush(Texture brushTex, float scale, Color color, Texture normalTex, float normalBlend, Texture heightTex, float heightBlend, ColorBlendType colorBlending, NormalBlendType normalBlending, HeightBlendType heightBlending)
			: this(brushTex, scale, color, normalTex, normalBlend, colorBlending, normalBlending)
		{
			BrushHeightTexture = heightTex;
			HeightBlend = heightBlend;
			HeightBlending = heightBlending;
		}

		public object Clone()
		{
			return MemberwiseClone();
		}
	}
}