Change outer_before_inner setting to an enum

We'll offer the option to print from outside to inside, from inside to outside, or from inside to outside except that the very innermost centre wall is printed last.

Contributes to issue CURA-8109.

resources/quality/key3d/key3d_tyro_best.inst.cfg

@@ -28,7 +28,7 @@ top_bottom_pattern = lines
 top_bottom_pattern_0 = lines
 wall_0_inset = 0
 optimize_wall_printing_order = False
-outer_inset_first = False
+inset_direction = inside_out
 alternate_extra_perimeter = False
 wall_min_flow = 0
 filter_out_tiny_gaps = True

resources/quality/key3d/key3d_tyro_fast.inst.cfg

@@ -27,7 +27,7 @@ top_bottom_pattern = lines
 top_bottom_pattern_0 = lines
 wall_0_inset = 0
 optimize_wall_printing_order = False
-outer_inset_first = False
+inset_direction = inside_out
 alternate_extra_perimeter = False
 wall_min_flow = 0
 filter_out_tiny_gaps = True

resources/quality/key3d/key3d_tyro_normal.inst.cfg

@@ -27,7 +27,7 @@ top_bottom_pattern = lines
 top_bottom_pattern_0 = lines
 wall_0_inset = 0
 optimize_wall_printing_order = False
-outer_inset_first = False
+inset_direction = inside_out
 alternate_extra_perimeter = False
 wall_min_flow = 0
 filter_out_tiny_gaps = True

resources/quality/nwa3d_a31/nwa3d_a31_best.inst.cfg

@@ -29,7 +29,7 @@ top_bottom_pattern = lines
 top_bottom_pattern_0 = lines
 wall_0_inset = 0
 optimize_wall_printing_order = False
-outer_inset_first = False
+inset_direction = inside_out
 alternate_extra_perimeter = False
 wall_min_flow = 0
 filter_out_tiny_gaps = True

resources/quality/nwa3d_a31/nwa3d_a31_e.inst.cfg

@@ -26,7 +26,7 @@ top_bottom_pattern = lines
 top_bottom_pattern_0 = lines
 wall_0_inset = 0
 optimize_wall_printing_order = False
-outer_inset_first = False
+inset_direction = inside_out
 alternate_extra_perimeter = False
 wall_min_flow = 0
 filter_out_tiny_gaps = True

resources/quality/nwa3d_a31/nwa3d_a31_fast.inst.cfg

@@ -29,7 +29,7 @@ top_bottom_pattern = lines
 top_bottom_pattern_0 = lines
 wall_0_inset = 0
 optimize_wall_printing_order = False
-outer_inset_first = False
+inset_direction = inside_out
 alternate_extra_perimeter = False
 wall_min_flow = 0
 filter_out_tiny_gaps = True

resources/quality/nwa3d_a31/nwa3d_a31_normal.inst.cfg

@@ -28,7 +28,7 @@ top_bottom_pattern = lines
 top_bottom_pattern_0 = lines
 wall_0_inset = 0
 optimize_wall_printing_order = False
-outer_inset_first = False
+inset_direction = inside_out
 alternate_extra_perimeter = False
 wall_min_flow = 0
 filter_out_tiny_gaps = True

resources/quality/nwa3d_a5/nwa3d_a5_best.inst.cfg

@@ -27,7 +27,7 @@ top_bottom_pattern = lines
 top_bottom_pattern_0 = lines
 wall_0_inset = 0
 optimize_wall_printing_order = False
-outer_inset_first = False
+inset_direction = inside_out
 alternate_extra_perimeter = False
 wall_min_flow = 0
 filter_out_tiny_gaps = True

resources/quality/nwa3d_a5/nwa3d_a5_fast.inst.cfg

@@ -27,7 +27,7 @@ top_bottom_pattern = lines
 top_bottom_pattern_0 = lines
 wall_0_inset = 0
 optimize_wall_printing_order = False
-outer_inset_first = False
+inset_direction = inside_out
 alternate_extra_perimeter = False
 wall_min_flow = 0
 filter_out_tiny_gaps = True

resources/quality/nwa3d_a5/nwa3d_a5_normal.inst.cfg

@@ -27,7 +27,7 @@ top_bottom_pattern = lines
 top_bottom_pattern_0 = lines
 wall_0_inset = 0
 optimize_wall_printing_order = False
-outer_inset_first = False
+inset_direction = inside_out
 alternate_extra_perimeter = False
 wall_min_flow = 0
 filter_out_tiny_gaps = True

resources/quality/snapmaker2/snapmaker2_fast.inst.cfg

@@ -21,7 +21,7 @@ top_thickness = 0.8
 top_layers = 4
 bottom_thickness = 0.8
 bottom_layers = 4
-outer_inset_first = False
+inset_direction = inside_out
 skin_outline_count = 0
 
 ; infill_line_distance = 8

resources/quality/snapmaker2/snapmaker2_high.inst.cfg

@@ -21,7 +21,7 @@ top_thickness = 0.8
 top_layers = 10
 bottom_thickness = 0.8
 bottom_layers = 10
-outer_inset_first = False
+inset_direction = inside_out
 skin_outline_count = 1
 
 ; infill_line_distance = 8

resources/quality/snapmaker2/snapmaker2_normal.inst.cfg

@@ -21,7 +21,7 @@ top_thickness = 0.8
 top_layers = 5
 bottom_thickness = 0.8
 bottom_layers = 5
-outer_inset_first = False
+inset_direction = inside_out
 skin_outline_count = 0
 
 ; infill_line_distance = 8