Netcode Bootstrap

2026-05-31 14:27:52 -07:00
parent 99d8d2d2a9
commit 7fa77ce821
1813 changed files with 2921554 additions and 84 deletions
@@ -0,0 +1,73 @@
+
+using Unity.Collections.LowLevel.Unsafe;
+using Unity.Collections;
+using System;
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace Rukhanka.Toolbox
+{
+public static class CollectionUtils
+{
+	public static unsafe NativeArray<T> AsArray<T>(this NativeSlice<T> v) where T: unmanaged
+	{
+		var ptr = v.GetUnsafePtr();
+		var rv = CollectionHelper.ConvertExistingDataToNativeArray<T>(ptr, v.Length, Allocator.None, true);
+		return rv;
+	}
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+	public static unsafe UnsafeList<T> AsUnsafeList<T>(this NativeSlice<T> v) where T: unmanaged
+	{
+		var ptr = (T*)v.GetUnsafePtr();
+		var rv = new UnsafeList<T>(ptr, v.Length);
+		return rv;
+	}
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+	static void ValidateSpanCreationParameters<T>(this NativeList<T> v, int startIndex, int length) where T: unmanaged
+	{
+		if (startIndex >= v.Length)
+		{
+			throw new InvalidOperationException($"Requested span start index exceed list size (Start index {startIndex}, list length {v.Length})!");
+		}
+
+		if (startIndex + length > v.Length)
+		{
+			throw new InvalidOperationException($"Requested span exceed end of list (Start index {startIndex}, requested length {length}, list length {v.Length})!");
+		}
+	}
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+	public static unsafe Span<T> GetSpan<T>(this NativeList<T> v, int startIndex, int length) where T: unmanaged
+	{
+#if ENABLE_UNITY_COLLECTIONS_CHECKS
+		ValidateSpanCreationParameters(v, startIndex, length);
+#endif
+		var rv = new Span<T>(v.GetUnsafePtr() + startIndex, length);
+		return rv;
+	}
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+	public static unsafe ReadOnlySpan<T> GetReadOnlySpan<T>(this NativeList<T> v, int startIndex, int length) where T: unmanaged
+	{
+#if ENABLE_UNITY_COLLECTIONS_CHECKS
+		ValidateSpanCreationParameters(v, startIndex, length);
+#endif
+		var rv = new ReadOnlySpan<T>(v.GetUnsafeReadOnlyPtr() + startIndex, length);
+		return rv;
+	}
+
+/////////////////////////////////////////////////////////////////////////////////
+
+    public static unsafe Span<T> AsSpan<T>(this UnsafeList<T> l) where T: unmanaged
+    {
+	    var rv = new Span<T>(l.Ptr, l.Length);
+	    return rv;
+    }
+}
+}