From c99b18dc45c30df20fa205859830dc7a5a403ca0 Mon Sep 17 00:00:00 2001
From: Mitchell Richters <mjr4077au@gmail.com>
Date: Thu, 1 Dec 2022 19:58:58 +1100
Subject: [PATCH] - Bring in `interpolatedvalue()` for `TRotator<>` objects
 from Raze.

* Would have come in eventually but I may need it.
---
 src/common/utility/vectors.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/common/utility/vectors.h b/src/common/utility/vectors.h
index 439b7c7ec..c6ba414d7 100644
--- a/src/common/utility/vectors.h
+++ b/src/common/utility/vectors.h
@@ -1547,6 +1547,16 @@ inline TAngle<T> interpolatedvalue(const TAngle<T> &oang, const TAngle<T> &ang,
 	return oang + (deltaangle(oang, ang) * interpfrac);
 }
 
+template<class T>
+inline TRotator<T> interpolatedvalue(const TRotator<T> &oang, const TRotator<T> &ang, const double interpfrac)
+{
+	return TRotator<T>(
+		interpolatedvalue(oang.Pitch, ang.Pitch, interpfrac),
+		interpolatedvalue(oang.Yaw, ang.Yaw, interpfrac),
+		interpolatedvalue(oang.Roll, ang.Roll, interpfrac)
+	);
+}
+
 template <class T>
 inline T interpolatedvalue(const T& oval, const T& val, const double interpfrac)
 {