using Microsoft.Xna.Framework;

namespace skyscraper8.UI.MonoGame.Screenhacks
{
	internal abstract class Processing
	{
		protected Random rng;
		protected int Random(int max)
		{
			if (rng == null)
				rng = new Random();
			return rng.Next(max);
		}

		protected float Random(float min, float max)
		{
			if (min >= max)
				return min;
			float diff = max - min;
			return Random(diff) + min;
		}

		protected float Random(float max)
		{
			if (rng == null)
				rng = new Random();
			if (max == 0.0F)
				return 0.0F;

			float f = 0.0F;
			while (true)
			{
				f = rng.NextSingle() * max;
				if (f != max)
					return f;
			}
		}

		private bool stroke;
		private float strokeR, strokeG, strokeB, strokeA;
		private int strokeRi, strokeGi, strokeBi, strokeAi;
		private int strokeColor;
		private bool strokeAlpha;
		protected void Stroke(float paramFloat1, float paramFloat2)
		{
			ColorCalc(paramFloat1, paramFloat2);
			ColorStroke();
		}

		private void ColorStroke()
		{
			this.stroke = true;
			this.strokeR = this.calcR;
			this.strokeG = this.calcG;
			this.strokeB = this.calcB;
			this.strokeA = this.calcA;
			this.strokeRi = this.calcRi;
			this.strokeGi = this.calcGi;
			this.strokeBi = this.calcBi;
			this.strokeAi = this.calcAi;
			this.strokeColor = this.calcColor;
			this.strokeAlpha = this.calcAlpha;
			this.strokeColorObject = new Color();
			this.strokeColorObject.A = (byte)this.strokeAi;
			this.strokeColorObject.R = (byte)this.strokeRi;
			this.strokeColorObject.G = (byte)this.strokeGi;
			this.strokeColorObject.B = (byte)this.strokeBi;
		}


		private float colorModeX, colorModeA, calcR, calcG, calcB, calcA;

		private bool colorScale;

		private int calcRi, calcGi, calcBi, calcAi, calcColor;

		private bool calcAlpha;
		protected Color strokeColorObject;

		protected int colorMode = 1;
		private float colorModeY, colorModeZ;
		protected void ColorCalc(float paramFloat1, float paramFloat2)
		{
			this.calcR = this.colorScale ? (paramFloat1 / this.colorModeX) : paramFloat1;
			this.calcG = this.calcR;
			this.calcB = this.calcR;
			this.calcA = this.colorScale ? (paramFloat2 / this.colorModeA) : paramFloat2;
			this.calcRi = (int)(this.calcR);
			this.calcGi = (int)(this.calcG);
			this.calcBi = (int)(this.calcB);
			this.calcAi = (int)(this.calcA);
			this.calcColor = this.calcAi << 24 | this.calcRi << 16 | this.calcGi << 8 | this.calcBi;
			if (this.calcAi != 255)
				this.calcAlpha = false;
			this.calcAlpha = true;
		}

		protected void Stroke(float r, float g, float b, float a)
		{
			ColorCalc(r, g, b, a);
			ColorStroke();
		}

		protected void ColorCalc(float paramFloat1, float paramFloat2, float paramFloat3, float paramFloat4)
		{
			float f1, f2, f3, f4, f5;

			switch (this.colorMode)
			{
				case 1:
					if (this.colorScale)
					{
						this.calcR = paramFloat1 / this.colorModeX;
						this.calcG = paramFloat2 / this.colorModeY;
						this.calcB = paramFloat3 / this.colorModeZ;
						this.calcA = paramFloat4 / this.colorModeA;
						break;
					}
					this.calcR = paramFloat1;
					this.calcG = paramFloat2;
					this.calcB = paramFloat3;
					this.calcA = paramFloat4;
					break;
				case 3:
					paramFloat1 /= this.colorModeX;
					paramFloat2 /= this.colorModeY;
					paramFloat3 /= this.colorModeZ;
					this.calcA = this.colorScale ? (paramFloat4 / this.colorModeA) : paramFloat4;
					if (paramFloat2 == 0.0F)
					{
						this.calcR = this.calcG = this.calcB = paramFloat3;
						break;
					}
					f1 = (paramFloat1 - (int)paramFloat1) * 6.0F;
					f2 = f1 - (int)f1;
					f3 = paramFloat3 * (1.0F - paramFloat2);
					f4 = paramFloat3 * (1.0F - paramFloat2 * f2);
					f5 = paramFloat3 * (1.0F - paramFloat2 * (1.0F - f2));
					switch ((int)f1)
					{
						case 0:
							this.calcR = paramFloat3;
							this.calcG = f5;
							this.calcB = f3;
							break;
						case 1:
							this.calcR = f4;
							this.calcG = paramFloat3;
							this.calcB = f3;
							break;
						case 2:
							this.calcR = f3;
							this.calcG = paramFloat3;
							this.calcB = f5;
							break;
						case 3:
							this.calcR = f3;
							this.calcG = f4;
							this.calcB = paramFloat3;
							break;
						case 4:
							this.calcR = f5;
							this.calcG = f3;
							this.calcB = paramFloat3;
							break;
						case 5:
							this.calcR = paramFloat3;
							this.calcG = f3;
							this.calcB = f4;
							break;
					}
					break;
			}
			this.calcRi = (int)(1.0f * this.calcR);
			this.calcGi = (int)(1.0f * this.calcG);
			this.calcBi = (int)(1.0f * this.calcB);
			this.calcAi = (int)(1.0f * this.calcA);
			this.calcColor = this.calcAi << 24 | this.calcRi << 16 | this.calcGi << 8 | this.calcBi;
			if (this.calcAi != 255)
				this.calcAlpha = false;
			this.calcAlpha = true;
		}


		protected abstract void Point(float x, float y);
	}
}