snap angle, angles keys on transform to zero to avoid scientific notation in saved string

plugins/entity/angle.h

@@ -78,9 +78,13 @@ public:
 	}
 };
 
-inline float float_snapped_to_zero( float value ){
-	return fabs( value ) < 1e-6 ? 0.f : value;
-}
+/*
+zero snap angle value to avoid scientific notation after sprinf %g
+it's not supported in e.g. Q3:
+https://github.com/id-Software/Quake-III-Arena/blob/master/code/game/bg_lib.c#L910
+0.0001f is least value, which produces no scientific notation, must be good nuff precision too 🤞🏿
+*/
+const float ANGLEKEY_SMALLEST = 0.0001f;
 
 inline float angle_rotated( float angle, const Quaternion& rotation ){
 	return float_snapped_to_zero(
@@ -89,6 +93,7 @@ inline float angle_rotated( float angle, const Quaternion& rotation ){
 	                   matrix4_rotation_for_quaternion_quantised( rotation ),
 	                   matrix4_rotation_for_z_degrees( angle )
 	               )
-	           ).z()
+	           ).z(),
+	           ANGLEKEY_SMALLEST
 	       );
 }

plugins/entity/angles.h

@@ -105,33 +105,27 @@ inline Matrix4 matrix4_rotation_for_euler_xyz_degrees_quantised( const Vector3&
 	return matrix4_rotation_for_euler_xyz_degrees( angles );
 }
 
-inline Vector3 angles_snapped_to_zero( const Vector3& angles ){
-	const float epsilon = ( fabs( angles[0] ) > 0.001f || fabs( angles[1] ) > 0.001f || fabs( angles[2] ) > 0.001f ) ? 5e-5 : 1e-6;
-	return Vector3( fabs( angles[0] ) < epsilon ? 0.f : angles[0],
-	                fabs( angles[1] ) < epsilon ? 0.f : angles[1],
-	                fabs( angles[2] ) < epsilon ? 0.f : angles[2]
-	              );
-}
-
 inline Vector3 angles_rotated( const Vector3& angles, const Quaternion& rotation ){
-	return angles_snapped_to_zero(
+	return vector3_snapped_to_zero(
 	           matrix4_get_rotation_euler_xyz_degrees(
 	               matrix4_multiplied_by_matrix4(
 	                   matrix4_rotation_for_quaternion_quantised( rotation ),
 	                   matrix4_rotation_for_euler_xyz_degrees_quantised( angles )
 	               )
-	           )
+	           ),
+	           ANGLEKEY_SMALLEST
 	       );
 }
 #if 0
 inline Vector3 angles_rotated_for_rotated_pivot( const Vector3& angles, const Quaternion& rotation ){
-	return angles_snapped_to_zero(
+	return vector3_snapped_to_zero(
 	           matrix4_get_rotation_euler_xyz_degrees(
 	               matrix4_multiplied_by_matrix4(
 	                   matrix4_rotation_for_euler_xyz_degrees_quantised( angles ),
 	                   matrix4_rotation_for_quaternion_quantised( rotation )
 	               )
-	           )
+	           ),
+	           ANGLEKEY_SMALLEST
 	       );
 }
 #endif

plugins/entity/miscmodel.cpp

@@ -339,7 +339,7 @@ public:
 
 		m_scale = matrix4_get_scale_vec3( mat );
 #endif
-		//m_angles = angles_snapped_to_zero( matrix4_get_rotation_euler_xyz_degrees( mat ) );
+		//m_angles = vector3_snapped_to_zero( matrix4_get_rotation_euler_xyz_degrees( mat ), ANGLEKEY_SMALLEST );
 	}
 	void snapto( float snap ){
 		m_originKey.m_origin = origin_snapped( m_originKey.m_origin, snap );