using MarchingCubes;
using Utility;

namespace LevelEditor {

    public class LevelGeometryData {

        #region Properties
        public Region3 CubeRegion { get; }
        public Region3 VertRegion { get; }
        public CubeVolume Cubes { get; }
        public VertVolume Verts { get; }
        public FaceVolume Faces { get; }
        #endregion

        #region Constructors
        public LevelGeometryData(Coord3 cubeRegionSize) {
            CubeRegion = new Region3(cubeRegionSize);
            VertRegion = new Region3(cubeRegionSize + Coord3.Ones);
            Cubes = new CubeVolume(CubeRegion.Size);
            Verts = new VertVolume(VertRegion.Size);
            Faces = new FaceVolume(CubeRegion.Size);
        }
        #endregion

        #region Classes & Interfaces
        public class CubeVolume {

            #region Instance Fields
            private int[,,] cubes;
            #endregion

            #region Indexers
            public int this[int cubeX, int cubeY, int cubeZ] {
                get => cubes[cubeX, cubeY, cubeZ];
                set => cubes[cubeX, cubeY, cubeZ] = value;
            }

            public int this[Coord3 cube] {
                get => cubes[cube.X, cube.Y, cube.Z];
                set => cubes[cube.X, cube.Y, cube.Z] = value;
            }
            #endregion

            #region Constructors
            public CubeVolume(Coord3 size) {
                cubes = new int[size.X, size.Y, size.Z];
            }
            #endregion
        }
        public class VertVolume {

            #region Instance Fields
            private int[,,] verts;
            #endregion

            #region Indexers
            public int this[int vertX, int vertY, int vertZ] {
                get => verts[vertX, vertY, vertZ];
                set => verts[vertX, vertY, vertZ] = value;
            }

            public int this[Coord3 vert] {
                get => verts[vert.X, vert.Y, vert.Z];
                set => verts[vert.X, vert.Y, vert.Z] = value;
            }
            #endregion

            #region  Constructors
            public VertVolume(Coord3 size) {
                verts = new int[size.X, size.Y, size.Z];
            }
            #endregion
        }
        public class FaceVolume {

            #region Instance Fields
            private int[,,,] faces;
            #endregion

            #region Indexers
            public int this[int cubeX, int cubeY, int cubeZ, int faceIndex] {
                get => faces[cubeX, cubeY, cubeZ, faceIndex];
                set => faces[cubeX, cubeY, cubeZ, faceIndex] = value;
            }

            public int this[Coord3 cube, int faceIndex] {
                get => faces[cube.X, cube.Y, cube.Z, faceIndex];
                set => faces[cube.X, cube.Y, cube.Z, faceIndex] = value;
            }
            #endregion

            #region Constructors
            public FaceVolume(Coord3 size) {
                faces = new int[size.X, size.Y, size.Z, Cube.FACES.Length];
            }
            #endregion
        }
        #endregion
    }
}