many thing

2026-02-28 00:54:32 +08:00
parent a798ab07f1
commit 55cf3934bb
90 changed files with 288 additions and 321 deletions
@@ -0,0 +1,101 @@
+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="PlainGeometryMesh"
+// 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.Geometries;
+using StgSharp.Mathematics;
+using StgSharp.Mathematics.Graphics;
+
+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);
+        }
+
+    }
+}