From cee712105850ac3385cd0091a923438167433f9f Mon Sep 17 00:00:00 2001
From: TSR Berry <20988865+TSRBerry@users.noreply.github.com>
Date: Sat, 8 Apr 2023 01:22:00 +0200
Subject: Move solution and projects to src

---
 src/Ryujinx.Memory/Range/MemoryRange.cs | 61 +++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 src/Ryujinx.Memory/Range/MemoryRange.cs

(limited to 'src/Ryujinx.Memory/Range/MemoryRange.cs')

diff --git a/src/Ryujinx.Memory/Range/MemoryRange.cs b/src/Ryujinx.Memory/Range/MemoryRange.cs
new file mode 100644
index 00000000..7465fbcb
--- /dev/null
+++ b/src/Ryujinx.Memory/Range/MemoryRange.cs
@@ -0,0 +1,61 @@
+namespace Ryujinx.Memory.Range
+{
+    /// <summary>
+    /// Range of memory composed of an address and size.
+    /// </summary>
+    public readonly record struct MemoryRange
+    {
+        /// <summary>
+        /// An empty memory range, with a null address and zero size.
+        /// </summary>
+        public static MemoryRange Empty => new MemoryRange(0UL, 0);
+
+        /// <summary>
+        /// Start address of the range.
+        /// </summary>
+        public ulong Address { get; }
+
+        /// <summary>
+        /// Size of the range in bytes.
+        /// </summary>
+        public ulong Size { get; }
+
+        /// <summary>
+        /// Address where the range ends (exclusive).
+        /// </summary>
+        public ulong EndAddress => Address + Size;
+
+        /// <summary>
+        /// Creates a new memory range with the specified address and size.
+        /// </summary>
+        /// <param name="address">Start address</param>
+        /// <param name="size">Size in bytes</param>
+        public MemoryRange(ulong address, ulong size)
+        {
+            Address = address;
+            Size = size;
+        }
+
+        /// <summary>
+        /// Checks if the range overlaps with another.
+        /// </summary>
+        /// <param name="other">The other range to check for overlap</param>
+        /// <returns>True if the ranges overlap, false otherwise</returns>
+        public bool OverlapsWith(MemoryRange other)
+        {
+            ulong thisAddress = Address;
+            ulong thisEndAddress = EndAddress;
+            ulong otherAddress = other.Address;
+            ulong otherEndAddress = other.EndAddress;
+
+            // If any of the ranges if invalid (address + size overflows),
+            // then they are never considered to overlap.
+            if (thisEndAddress < thisAddress || otherEndAddress < otherAddress)
+            {
+                return false;
+            }
+
+            return thisAddress < otherEndAddress && otherAddress < thisEndAddress;
+        }
+    }
+}
-- 
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