From a04eae50545915161253e8870e6b9844dc99eb6a Mon Sep 17 00:00:00 2001
From: Garux <garux@mail.ru>
Date: Sun, 16 Nov 2025 22:57:32 +0500
Subject: [PATCH] simpler plane3_translated()

---
 libs/math/plane.h                   | 6 +++---
 tools/quake3/q3map2/convert_bsp.cpp | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libs/math/plane.h b/libs/math/plane.h
index 49b016bc..5bde3dfa 100644
--- a/libs/math/plane.h
+++ b/libs/math/plane.h
@@ -75,9 +75,9 @@ inline Plane3 plane3_normalised( const Plane3& plane ){
 	       );
 }
 
-template<typename T>
-Plane3 plane3_translated( const Plane3& plane, const BasicVector3<T>& translation ){
-	return Plane3( plane.normal(), vector3_dot( plane.normal(), plane.normal() * plane.dist() + translation ) );
+template<typename P, typename V>
+Plane3___<P> plane3_translated( const Plane3___<P>& plane, const BasicVector3<V>& translation ){
+	return Plane3___<P>( plane.normal(), plane.dist() + vector3_dot( plane.normal(), translation ) );
 }
 
 inline Plane3 plane3_transformed( const Plane3& plane, const Matrix4& transform ){
diff --git a/tools/quake3/q3map2/convert_bsp.cpp b/tools/quake3/q3map2/convert_bsp.cpp
index 7879d7af..2fb28bf6 100644
--- a/tools/quake3/q3map2/convert_bsp.cpp
+++ b/tools/quake3/q3map2/convert_bsp.cpp
@@ -645,7 +645,7 @@ int ShiftBSPMain( Args& args ){
 	/* shift planes */
 	for ( bspPlane_t& plane : bspPlanes )
 	{
-		plane.dist() = vector3_dot( plane.normal(), plane.normal() * plane.dist() + shift );
+		plane = plane3_translated( plane, shift );
 	}
 
 	// fixme: engine says 'light grid mismatch', unless translation is multiple of grid size