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 +1,113 @@
+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="GeometryOperation"
+// 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.Mathematics.Graphics;
+using StgSharp.Timing;
+
+using System;
+using System.Runtime.InteropServices;
+
+namespace StgSharp.Geometries
+{
+    [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+    public delegate Vec3 GeometryMotionDelegate(TimeSpanProvider timeSource, out float rotation);
+
+    public class GeometryMotion
+    {
+
+        private bool isIncrementMode;
+        private bool sourceIsStatic;
+        private GeometryMotionDelegate movement;
+        private IntPtr handle;
+        private TimeSpanProvider time;
+
+        public unsafe GeometryMotion(
+                      bool isIncreament,
+                      TimeSpanProvider timeSource,
+                      GeometryMotionDelegate motionDelegate)
+        {
+            isIncrementMode = isIncreament;
+            time = timeSource;
+            if (motionDelegate == null)
+            {
+                handle = (IntPtr)(delegate*<TimeSpanProvider, out float, Vec3>)&defaultMotion;
+                movement = defaultMotion;
+            } else if (motionDelegate.Method.IsStatic)
+            {
+                sourceIsStatic = true;
+                handle = Marshal.GetFunctionPointerForDelegate(motionDelegate);
+                movement = motionDelegate;
+            } else
+            {
+                movement = motionDelegate;
+            }
+
+            // sourceIsStatic = false;
+        }
+
+        public bool IsIncrement
+        {
+            get => isIncrementMode;
+        }
+
+        public static GeometryMotion DefaultMotion
+        {
+            get => new GeometryMotion(true, null, null);
+        }
+
+        public unsafe void RunMotion(ref Vec3 coord, ref float rotation)
+        {
+            float rot;
+            Vec3 vec;
+            if (sourceIsStatic)
+            {
+                vec = ((delegate* unmanaged[Cdecl]<TimeSpanProvider, out float, Vec3>)handle)(
+                    time, out rot);
+            } else
+            {
+                vec = movement(time, out rot);
+            }
+
+            if (isIncrementMode)
+            {
+                coord += vec;
+                rotation += rot;
+            } else
+            {
+                coord = vec;
+                rotation = rot;
+            }
+        }
+
+        private static Vec3 defaultMotion(TimeSpanProvider provider, out float rotation)
+        {
+            rotation = 0;
+            return Vec3.Zero;
+        }
+
+    }//------------------------------- End of Class -------------------------------
+}