using System.Collections;
using System.Collections.Generic;
using UnityEngine;


public class BoxGenerator : MeshProcessor
{
    public Vector3 Size = Vector3.one;
    public int SliceX;
    public int SliceY;
    public int SliceZ;

    public override void Execute(ProceduralMeshData m)
    {
        ProceduralMeshData[] sides = new ProceduralMeshData[6];

        PlaneGenerator p = new PlaneGenerator();
        p.Width = 1;
        p.Height = 1;

        //x+
        sides[0] = new ProceduralMeshData();
        p.WidthSlices = SliceZ;
        p.HeightSlices = SliceY;
        p.Execute(sides[0]);

        //x-
        sides[1] = new ProceduralMeshData();
        p.Execute(sides[1]);

        //y+
        sides[2] = new ProceduralMeshData();
        p.WidthSlices = SliceX;
        p.HeightSlices = SliceZ;
        p.Execute(sides[2]);

        //y-
        sides[3] = new ProceduralMeshData();
        p.Execute(sides[3]);

        //z+
        sides[4] = new ProceduralMeshData();
        p.WidthSlices = SliceX;
        p.HeightSlices = SliceY;
        p.Execute(sides[4]);

        //z-
        sides[5] = new ProceduralMeshData();
        p.Execute(sides[5]);

        //x+
        TransformVertexNode transform = new TransformVertexNode();
        transform.Offset = Vector3.right*0.5f;
        transform.Rotation = Quaternion.AngleAxis(-90, Vector3.up) * Quaternion.AngleAxis(-90, Vector3.right);
        transform.Execute(sides[0]);

        //x-
        transform.Offset = Vector3.right * -0.5f;
        transform.Rotation = Quaternion.AngleAxis(90, Vector3.up) * Quaternion.AngleAxis(-90, Vector3.right);
        transform.Execute(sides[1]);


        //y+
        transform.Offset = Vector3.up * 0.5f;
        transform.Rotation = Quaternion.identity;
        transform.Execute(sides[2]);

        //y-
        transform.Offset = Vector3.up * -0.5f;
        transform.Rotation = Quaternion.AngleAxis(180, Vector3.forward);
        transform.Execute(sides[3]);

        //z+
        transform.Offset = Vector3.forward * 0.5f;
        transform.Rotation = Quaternion.AngleAxis(180, Vector3.up) * Quaternion.AngleAxis(-90, Vector3.right);
        transform.Execute(sides[4]);

        //z-
        transform.Offset = Vector3.forward * -0.5f;
        transform.Rotation = Quaternion.AngleAxis(-90, Vector3.right);
        transform.Execute(sides[5]);

        CombineMeshNode combiner = new CombineMeshNode();
        combiner.Source.Add(sides[0]);
        combiner.Source.Add(sides[1]);
        combiner.Source.Add(sides[2]);
        combiner.Source.Add(sides[3]);
        combiner.Source.Add(sides[4]);
        combiner.Source.Add(sides[5]);
        combiner.Execute(m);

        CombineSubmeshesNode submeshCombiner = new CombineSubmeshesNode();
        submeshCombiner.Execute(m);

        transform.Offset = Vector3.zero;
        transform.Rotation = Quaternion.identity;
        transform.Scale = Size;
        transform.Execute(m);
    }
}