//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="PlainGeometry"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
//     
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//     
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using StgSharp.Graphics;
using StgSharp.Mathematics;
using StgSharp.Mathematics.Graphics;

using System;
using System.ComponentModel;

namespace StgSharp.Geometries
{
    /// <summary>
    ///   Plain geometry only contains straight sides.
    /// </summary>
    public abstract class PlainGeometry : IGeometry
    {

        protected Vec4[] vertexMat;
        internal CoordinationBase coordinate;

        internal PlainGeometry(CoordinationBase coordination)
        {
            coordinate = coordination;
        }

        public Point this[int index]
        {
            get => new Point(vertexMat[index]);
            set => vertexMat[index].vec = value.coordVec;
        }

        public int VertexCount => this.vertexMat.Length;

        public abstract ReadOnlySpan<int> VertexIndices { get; }

        #pragma warning disable CA1819 
        public Vec4[] VertexStream => vertexMat;

        public CoordinationBase Coordination => this.coordinate;
#pragma warning restore CA1819
    }
}