Use matrix4::getRotationRadians

irr/src/CAnimatedMeshSceneNode.cpp

@@ -619,7 +619,7 @@ void CAnimatedMeshSceneNode::animateJoints(bool CalculateAbsolutePositions)
 
 				// Code is slow, needs to be fixed up
 
-				const core::quaternion RotationStart(PretransitingSave[n].getRotationDegrees() * core::DEGTORAD);
+				const core::quaternion RotationStart(PretransitingSave[n].getRotationRadians());
 				const core::quaternion RotationEnd(JointChildSceneNodes[n]->getRotation() * core::DEGTORAD);
 
 				core::quaternion QRotation;

irr/src/CXMeshFileLoader.cpp

@@ -1526,8 +1526,6 @@ bool CXMeshFileLoader::parseDataObjectAnimationKey(SkinnedMesh::SJoint *joint)
 				os::Printer::log("Line", core::stringc(Line).c_str(), ELL_WARNING);
 			}
 
-			// core::vector3df rotation = mat.getRotationDegrees();
-
 			AnimatedMesh->addRotationKey(joint, time, core::quaternion(mat.getTransposed()));
 			AnimatedMesh->addPositionKey(joint, time, mat.getTranslation());
 

src/client/clientenvironment.cpp

@@ -441,8 +441,8 @@ void ClientEnvironment::getSelectedActiveObjects(
 		GenericCAO* gcao = dynamic_cast<GenericCAO*>(obj);
 		if (gcao != nullptr && gcao->getProperties().rotate_selectionbox) {
 			gcao->getSceneNode()->updateAbsolutePosition();
-			const v3f deg = obj->getSceneNode()->getAbsoluteTransformation().getRotationDegrees();
-			collision = boxLineCollision(selection_box, deg,
+			const v3f rad = obj->getSceneNode()->getAbsoluteTransformation().getRotationRadians();
+			collision = boxLineCollision(selection_box, rad,
 				rel_pos, line_vector, &current_intersection, &current_normal, &current_raw_normal);
 		} else {
 			collision = boxLineCollision(selection_box, rel_pos, line_vector,

src/client/game.cpp

@@ -3239,9 +3239,10 @@ PointedThing Game::updatePointedThing(
 			hud->setSelectionPos(pos, camera_offset);
 			GenericCAO* gcao = dynamic_cast<GenericCAO*>(runData.selected_object);
 			if (gcao != nullptr && gcao->getProperties().rotate_selectionbox)
-				hud->setSelectionRotation(gcao->getSceneNode()->getAbsoluteTransformation().getRotationDegrees());
+				hud->setSelectionRotationRadians(gcao->getSceneNode()
+						->getAbsoluteTransformation().getRotationRadians());
 			else
-				hud->setSelectionRotation(v3f());
+				hud->setSelectionRotationRadians(v3f());
 		}
 		hud->setSelectedFaceNormal(result.raw_intersection_normal);
 	} else if (result.type == POINTEDTHING_NODE) {
@@ -3261,7 +3262,7 @@ PointedThing Game::updatePointedThing(
 		}
 		hud->setSelectionPos(intToFloat(result.node_undersurface, BS),
 			camera_offset);
-		hud->setSelectionRotation(v3f());
+		hud->setSelectionRotationRadians(v3f());
 		hud->setSelectedFaceNormal(result.intersection_normal);
 	}
 

src/client/hud.cpp

@@ -880,7 +880,7 @@ void Hud::drawSelectionMesh()
 	core::matrix4 translate;
 	translate.setTranslation(m_selection_pos_with_offset);
 	core::matrix4 rotation;
-	rotation.setRotationDegrees(m_selection_rotation);
+	rotation.setRotationRadians(m_selection_rotation_radians);
 	driver->setTransform(video::ETS_WORLD, translate * rotation);
 
 	if (m_mode == HIGHLIGHT_BOX) {

src/client/hud.h

@@ -74,9 +74,15 @@ public:
 
 	v3f getSelectionPos() const { return m_selection_pos; }
 
-	void setSelectionRotation(v3f rotation) { m_selection_rotation = rotation; }
+	void setSelectionRotationRadians(v3f rotation)
+	{
+		m_selection_rotation_radians = rotation;
+	}
 
-	v3f getSelectionRotation() const { return m_selection_rotation; }
+	v3f getSelectionRotationRadians() const
+	{
+		return m_selection_rotation_radians;
+	}
 
 	void setSelectionMeshColor(const video::SColor &color)
 	{
@@ -129,7 +135,7 @@ private:
 	std::vector<aabb3f> m_halo_boxes;
 	v3f m_selection_pos;
 	v3f m_selection_pos_with_offset;
-	v3f m_selection_rotation;
+	v3f m_selection_rotation_radians;
 
 	scene::IMesh *m_selection_mesh = nullptr;
 	video::SColor m_selection_mesh_color;

src/raycast.cpp

@@ -124,13 +124,13 @@ bool boxLineCollision(const aabb3f &box, const v3f start,
 	return false;
 }
 
-bool boxLineCollision(const aabb3f &box, const v3f rotation,
-	const v3f start, const v3f dir,
+bool boxLineCollision(const aabb3f &box, v3f rotation_radians,
+	v3f start, v3f dir,
 	v3f *collision_point, v3f *collision_normal, v3f *raw_collision_normal)
 {
 	// Inversely transform the ray rather than rotating the box faces;
 	// this allows us to continue using a simple ray - AABB intersection
-	core::quaternion rot(rotation * core::DEGTORAD);
+	core::quaternion rot(rotation_radians);
 	rot.makeInverse();
 
 	bool collision = boxLineCollision(box, rot * start, rot * dir, collision_point, collision_normal);

src/server/unit_sao.h

@@ -30,7 +30,7 @@ public:
 		v3f res;
 		// First rotate by m_rotation, then rotate by the automatic rotate yaw
 		(core::quaternion(v3f(0, -m_rotation_add_yaw * core::DEGTORAD, 0))
-				* core::quaternion(rot.getRotationDegrees() * core::DEGTORAD))
+				* core::quaternion(rot.getRotationRadians()))
 				.toEuler(res);
 		return res * core::RADTODEG;
 	}

src/unittest/test_irr_matrix4.cpp

@@ -84,20 +84,20 @@ SECTION("getScale") {
 	}
 }
 
-SECTION("getRotationDegrees") {
-	auto test_rotation_degrees = [](v3f deg, v3f scale) {
+SECTION("getRotationRadians") {
+	auto test_rotation_degrees = [](v3f rad, v3f scale) {
 		matrix4 S;
 		S.setScale(scale);
 		matrix4 R;
-		R.setRotationDegrees(deg);
-		v3f rot = (R * S).getRotationDegrees();
+		R.setRotationRadians(rad);
+		v3f rot = (R * S).getRotationRadians();
 		matrix4 B;
-		B.setRotationDegrees(rot);
+		B.setRotationRadians(rot);
 		CHECK(matrix_equals(R, B));
 	};
 	SECTION("returns a rotation equivalent to the original rotation") {
-		test_rotation_degrees({100, 200, 300}, v3f(1));
-		Catch::Generators::RandomFloatingGenerator<f32> gen_angle(0, 360, Catch::getSeed());
+		test_rotation_degrees({1.0f, 2.0f, 3.0f}, v3f(1));
+		Catch::Generators::RandomFloatingGenerator<f32> gen_angle(0.0f, 2 * core::PI, Catch::getSeed());
 		Catch::Generators::RandomFloatingGenerator<f32> gen_scale(0.1f, 10, Catch::getSeed());
 		auto draw = [](auto gen) {
 			f32 f = gen.get();
@@ -109,11 +109,12 @@ SECTION("getRotationDegrees") {
 		};
 		for (int i = 0; i < 1000; ++i)
 			test_rotation_degrees(draw_v3f(gen_angle), draw_v3f(gen_scale));
-		for (f32 i = 0; i < 360; i += 90)
-		for (f32 j = 0; j < 360; j += 90)
-		for (f32 k = 0; k < 360; k += 90) {
+		for (f32 i = 0; i < 4; ++i)
+		for (f32 j = 0; j < 4; ++j)
+		for (f32 k = 0; k < 4; ++k) {
+			v3f rad = core::PI / 4.0f * v3f(i, j, k);
 			for (int l = 0; l < 100; ++l) {
-				test_rotation_degrees({i, j, k}, draw_v3f(gen_scale));
+				test_rotation_degrees(rad, draw_v3f(gen_scale));
 			}
 		}
 	}

src/unittest/test_irr_rotation.cpp

@@ -100,7 +100,7 @@ SECTION("matrix-euler roundtrip") {
 	test_euler_angles_rad([](v3f rad) {
 		matrix4 mat, mat2;
 		mat.setRotationRadians(rad);
-		v3f rad2 = mat.getRotationDegrees() * core::DEGTORAD;
+		v3f rad2 = mat.getRotationRadians();
 		mat2.setRotationRadians(rad2);
 		CHECK(matrix_equals(mat, mat2));
 	});