Fix for [#22667] Soft Body Aero on/off switch

Under guidance from Jens, converted the 'aero' property into a two-way switch, 
which is what it actually represents.

1 files changed, 18 insertions, 7 deletions

diff --git a/source/blender/makesrna/intern/rna_object_force.c b/source/blender/makesrna/intern/rna_object_force.c
index 0069f3332e8..ec1f1bf164e 100644
--- a/source/blender/makesrna/intern/rna_object_force.c
+++ b/source/blender/makesrna/intern/rna_object_force.c
@@ -357,14 +357,19 @@ static void rna_SoftBodySettings_self_collision_set(PointerRNA *ptr, int value)
 static int rna_SoftBodySettings_new_aero_get(PointerRNA *ptr)
 {
 	Object *data= (Object*)(ptr->id.data);
-	return (((data->softflag) & OB_SB_AERO_ANGLE) != 0);
+	if (data->softflag & OB_SB_AERO_ANGLE)
+		return 1;
+	else
+		return 0;
 }
 
 static void rna_SoftBodySettings_new_aero_set(PointerRNA *ptr, int value)
 {
 	Object *data= (Object*)(ptr->id.data);
-	if(value) data->softflag |= OB_SB_AERO_ANGLE;
-	else data->softflag &= ~OB_SB_AERO_ANGLE;
+	if (value == 1)
+		data->softflag |= OB_SB_AERO_ANGLE;
+	else	/* value == 0 */
+		data->softflag &= ~OB_SB_AERO_ANGLE;
 }
 
 static int rna_SoftBodySettings_face_collision_get(PointerRNA *ptr)
@@ -1404,6 +1409,11 @@ static void rna_def_softbody(BlenderRNA *brna)
 		{SBC_MODE_MAX, "MAXIMAL", 0, "Maximal", "Maximal Spring length * Ball Size"},
 		{SBC_MODE_AVGMINMAX, "MINMAX", 0, "AvMinMax", "(Min+Max)/2 * Ball Size"},
 		{0, NULL, 0, NULL, NULL}};
+	
+	static EnumPropertyItem aerodynamics_type[] = {
+		{0, "SIMPLE", 0, "Simple", "Edges receive a drag force from surrounding media"},
+		{1, "LIFT_FORCE", 0, "Lift Force", "Edges receive a lift force when passing through surrounding media"},
+		{0, NULL, 0, NULL, NULL}};
 
 	srna= RNA_def_struct(brna, "SoftBodySettings", NULL);
 	RNA_def_struct_sdna(srna, "SoftBody");
@@ -1660,12 +1670,13 @@ static void rna_def_softbody(BlenderRNA *brna)
 	
 	prop= RNA_def_property(srna, "face_collision", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_funcs(prop, "rna_SoftBodySettings_face_collision_get", "rna_SoftBodySettings_face_collision_set");
-	RNA_def_property_ui_text(prop, "Face Collision", "Faces collide too, SLOOOOOW warning");
+	RNA_def_property_ui_text(prop, "Face Collision", "Faces collide too, can be very slow");
 	RNA_def_property_update(prop, 0, "rna_softbody_update");
 	
-	prop= RNA_def_property(srna, "new_aero", PROP_BOOLEAN, PROP_NONE);
-	RNA_def_property_boolean_funcs(prop, "rna_SoftBodySettings_new_aero_get", "rna_SoftBodySettings_new_aero_set");
-	RNA_def_property_ui_text(prop, "N", "New aero(uses angle and length)");
+	prop= RNA_def_property(srna, "aerodynamics_type", PROP_ENUM, PROP_NONE);
+	RNA_def_property_enum_items(prop, aerodynamics_type);
+	RNA_def_property_enum_funcs(prop, "rna_SoftBodySettings_new_aero_get", "rna_SoftBodySettings_new_aero_set", NULL);
+	RNA_def_property_ui_text(prop, "Aerodynamics Type", "Method of calculating aerodynamic interaction");
 	RNA_def_property_update(prop, 0, "rna_softbody_update");
 	
 	prop= RNA_def_property(srna, "self_collision", PROP_BOOLEAN, PROP_NONE);