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stgsharp/StgSharp.Common/Graphics/PlainGeometryMesh.cs
T

100 lines
3.6 KiB
C#

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="PlainGeometryMesh.cs"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. 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.Geometries;
using StgSharp.Math;
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
namespace StgSharp.Graphics
{
public class PlainGeometryMesh
{
private PlainGeometry _shape;
private TextureProvider _texture;
public PlainGeometryMesh(
[NotNull] PlainGeometry shape,
[NotNull] TextureProvider texture )
{
if( shape.VertexCount > texture.TextureCoordinate.Length ) {
throw new ArgumentException(
paramName: nameof( texture ),
message: "Amount of texture coordination is too less" );
}
_texture = texture;
_shape = shape;
}
//private Image _texture;
public PlainGeometryMesh(
PlainGeometry shape,
Image texture,
Vec2[] texCoord )
{
ArgumentNullException.ThrowIfNull( shape );
ArgumentNullException.ThrowIfNull( texCoord );
if( shape.VertexCount > texCoord.Length ) {
throw new ArgumentException(
paramName: nameof( texCoord ),
message: "Amount of texture coordination is too less" );
}
_texture = new TextureProvider( texture, texCoord );
}
public Vec4[] VertexArray => _shape.VertexStream;
public Image TextureImage
{
get => _texture.ProvideImage();
internal set => _texture.ReadImage( value );
}
public ReadOnlySpan<int> MeshIndices => _shape.VertexIndices;
public ReadOnlySpan<Vec4> TextureCoord => MemoryMarshal.Cast<Vec2, Vec4>(
_texture.TextureCoordinate );
public PlainGeometryMesh Resize( PlainGeometry newShape )
{
return new PlainGeometryMesh( newShape, _texture );
}
}
}