switch root namespace name to NITLOAD

2026-09-02 18:15:03 +08:00
parent 4218baad48
commit 7c7101ee48
502 changed files with 710 additions and 721 deletions
@@ -0,0 +1,97 @@
+// -----------------------------------------------------------------------------
+// file="GeometryOperation"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using Nitload.Common.Timing;
+using Nitload.Mathematics.Numeric.Graphics;
+
+using System;
+using System.Runtime.InteropServices;
+
+namespace Nitload.Geometries
+{
+    [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+    public delegate Vec3<float> 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<float>>)&defaultMotion;
+                movement = defaultMotion;
+            } else if (motionDelegate.Method.IsStatic)
+            {
+                sourceIsStatic = true;
+                handle = Marshal.GetFunctionPointerForDelegate(motionDelegate);
+                movement = motionDelegate;
+            } else
+            {
+                movement = motionDelegate;
+            }
+
+            // sourceIsStatic = false;
+        }
+
+        public bool IsIncrement => isIncrementMode;
+
+        public static GeometryMotion DefaultMotion => new GeometryMotion(true, null, null);
+
+        public unsafe void RunMotion(
+                           ref Vec3<float> coord,
+                           ref float rotation
+        )
+        {
+            float rot;
+            Vec3<float> vec;
+            if (sourceIsStatic)
+            {
+                vec = ((delegate* unmanaged[Cdecl]<TimeSpanProvider, out float, Vec3<float>>)handle)(
+                    time, out rot);
+            } else
+            {
+                vec = movement(time, out rot);
+            }
+
+            if (isIncrementMode)
+            {
+                coord += vec;
+                rotation += rot;
+            } else
+            {
+                coord = vec;
+                rotation = rot;
+            }
+        }
+
+        private static Vec3<float> defaultMotion(
+                                   TimeSpanProvider provider,
+                                   out float rotation
+        )
+        {
+            rotation = 0;
+            return Vec3<float>.Zero;
+        }
+
+    }//------------------------------- End of Class -------------------------------
+}