From 2b33dc09080f94873bbae55dca364fdd1db92a3d Mon Sep 17 00:00:00 2001
From: Eric Robinson <ericjrobinson@live.com>
Date: Mon, 5 Jan 2026 01:00:53 -0500
Subject: [PATCH] Add hp_mana_units.hpp helper

---
 Source/utils/hp_mana_units.hpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Source/utils/hp_mana_units.hpp

diff --git a/Source/utils/hp_mana_units.hpp b/Source/utils/hp_mana_units.hpp
new file mode 100644
index 000000000..d20ed8af2
--- /dev/null
+++ b/Source/utils/hp_mana_units.hpp
@@ -0,0 +1,23 @@
+#pragma once
+
+namespace devilution {
+
+constexpr int HpManaFracBits = 6;
+constexpr int HpManaScale = 1 << HpManaFracBits;
+
+constexpr int HpManaToFrac(int whole)
+{
+	return whole * HpManaScale;
+}
+
+constexpr int HpManaToWhole(int frac)
+{
+	return frac / HpManaScale;
+}
+
+constexpr int HpManaFromParts(int whole, int frac)
+{
+	return HpManaToFrac(whole) + frac;
+}
+
+} // namespace devilution