using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace SpriteStacker
{
    public static class Camera
    {
        public static int LocX = 300;
        public static int LocY = 300;
        public static float Rotation = 0;
        public static float scale = 10;
    }
    public class Voxel
    {
        Color VoxelColor;
        public Voxel(Color voxelColor)
        {
            VoxelColor = voxelColor;
        }
        public Color GetColor() { return VoxelColor; }
        public Color[] GetShadedColors(int[] Shadows)
        {
            Color[] sides = new Color[6];
            for (int i = 0; i < 6; i++)
            {
                sides[i] = Color.FromArgb(Math.Max(Math.Min(VoxelColor.R + Shadows[i], 255), 0), Math.Max(Math.Min(VoxelColor.G + Shadows[i], 255), 0), Math.Max(Math.Min(VoxelColor.B + Shadows[i], 255), 0));
            }
            return sides;
        }
        public Color[] GetShadedColors()
        {
            Color[] sides = new Color[6];
            int[] Shadows = new int[6] { 0, 10, 0, 10, 20, -20 };
            for (int i = 0; i < 6; i++)
            {
                sides[i] = Color.FromArgb(Math.Max(Math.Min(VoxelColor.R + Shadows[i], 255), 0), Math.Max(Math.Min(VoxelColor.G + Shadows[i], 255), 0), Math.Max(Math.Min(VoxelColor.B + Shadows[i], 255), 0));
            }
            return sides;
        }
    }
    public class Model
    {
        public List<Bitmap> LayerImages = new List<Bitmap>();
        List<Voxel[,]> ModelData = new List<Voxel[,]>();
        int Width;
        int Length;
        public Model(int Width, int Length)
        {
            this.Width = Width;
            this.Length = Length;
            AddLayer();
        }
        public void AddLayers(int layerCount)
        {
            for (int i = 0; i < layerCount; i++)
            {
                AddLayer();
            }
        }
        public void AddLayer()
        {
            LayerImages.Add(new Bitmap(Width, Length));
            ModelData.Add(new Voxel[Width,Length]);
        }
        public void DrawSpriteStack(Graphics G)
        {
            for (int i = 0; i < ModelData.Count; i++)
            {
                G.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
                G.ResetTransform();
                G.TranslateTransform(Camera.LocX,Camera.LocY - (i*Camera.scale));
                G.RotateTransform(Camera.Rotation);
                G.DrawImage(LayerImages[i], new Rectangle(new Point(-(int)(Width * Camera.scale)/2, -(int)(Length * Camera.scale) / 2),new Size((int)(Width * Camera.scale), (int)(Length * Camera.scale))));
            }
        }
        public void DrawLayersToImages()
        {
            for (int i = 0; i < ModelData.Count; i++)
            {
                Bitmap newImage = new Bitmap(Width, Length);
                for (int x = 0; x < ModelData[i].GetLength(0); x++)
                {
                    for (int y = 0; y < ModelData[i].GetLength(1); y++)
                    {
                        if (ModelData[i][x, y] != null)
                        {
                            newImage.SetPixel(x, y, ModelData[i][x, y].GetColor());
                        }
                    }
                }
                LayerImages[i] = newImage;
            }
        }
        public void SetData(int LocX, int LocY, int Layer, Voxel voxel)
        {
            if (Layer >= ModelData.Count) AddLayer();
            ModelData[Layer][LocX,LocY] = voxel;
        }
    }
}