using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Content;

namespace PlayerTrace
{
    public class Trace
    {
        private VertexDeclaration vertexDeclaration;
        VertexPositionColor[] vertices;

        public Vector3 position;
        public Vector3 rotation;

        Texture2D texture;



        public Trace(string traceData, GraphicsDevice gd, ContentManager content)
        {
            int start = 0;
            int end = traceData.IndexOf("\t");
            position.X = float.Parse(traceData.Substring(start, end - start));

            start = end+1;
            end = traceData.IndexOf("\t", start);
            position.Y = float.Parse(traceData.Substring(start, end - start));

            start = end + 1;
            end = traceData.IndexOf("\t", start);
            position.Z = float.Parse(traceData.Substring(start, end - start));

            start = end + 1;
            end = traceData.IndexOf("\t", start);
            rotation.X = float.Parse(traceData.Substring(start, end - start));

            start = end + 1;
            end = traceData.IndexOf("\t", start);
            rotation.Y = float.Parse(traceData.Substring(start, end - start));

            start = end + 1;
            end = traceData.IndexOf("\t", start);
            rotation.Z = float.Parse(traceData.Substring(start, end - start));

            vertices = new VertexPositionColor[3];

            vertices[0].Position = position;
            vertices[0].Color = Color.Orange;

            vertices[1].Position = position + Vector3.Forward * 10;
            vertices[1].Color = Color.Red;

            vertices[2].Position = position + Vector3.Left * 10;
            vertices[2].Color = Color.Violet;

            texture = content.Load<Texture2D>("CreditScreen");

            vertexDeclaration = new VertexDeclaration(gd, VertexPositionColor.VertexElements);

        }

        public void Draw(GraphicsDevice device, Effect effect)
        {
            Matrix worldMatrix = Matrix.Identity;

            
            effect.CurrentTechnique = effect.Techniques["Colored"];
            effect.Parameters["World"].SetValue(worldMatrix);
            //effect.Parameters["modelTexture1"].SetValue(texture);
            
            
            
            effect.Begin();
            foreach (EffectPass pass in effect.CurrentTechnique.Passes)
            {
                pass.Begin();

                device.VertexDeclaration = vertexDeclaration;
                device.DrawUserPrimitives(PrimitiveType.TriangleList, vertices, 0, 1);

                pass.End();
            }
            effect.End();
        }
    }
}