feat: button styles and bottom-up todo

src/BloxGrid.gd

@@ -194,26 +194,22 @@ func remove_at_coord(coord: Vector2i) -> BloxCell:
 
 ## tetris fall ################################################
 
-func bottom_up_pieces() -> Array[BloxPiece]:
+func bottom_up_pieces(_dir: Vector2i) -> Array[BloxPiece]:
+	# TODO use `dir` to go 'bottom-up' from any direction
 	var ps: Array[BloxPiece] = []
 	ps.assign(pieces)
 	ps.sort_custom(func(pa, pb):
 		return pa.get_max_y() > pb.get_max_y())
 	return ps
 
 func apply_step_tetris(dir=Vector2i.DOWN) -> bool:
-	# hmm i think we should do this bottom up and apply the fall right away
-	# also there's probably interest in animating the change
 	var falling_cells = []
 	var to_fall = []
-	for piece in bottom_up_pieces():
+	for piece in bottom_up_pieces(dir):
 		if can_piece_move(piece, dir, falling_cells):
 			to_fall.append(piece)
 			falling_cells.append_array(piece.grid_coords())
 
-	# drop them all at once
-	# (this doesn't seem right, multi-piece stacks won't fall together)
-	# maybe it's fine/a graphic?
 	for piece in to_fall:
 		move_piece(piece, dir, true)
 

src/BloxTheme.tres

@@ -1,7 +1,22 @@
-[gd_resource type="Theme" load_steps=4 format=3 uid="uid://dyh165k6fs4jf"]
+[gd_resource type="Theme" load_steps=5 format=3 uid="uid://dyh165k6fs4jf"]
 
 [ext_resource type="FontFile" uid="uid://dgemb4ot8u4n" path="res://assets/fonts/Born2bSportyV2.ttf" id="1_00x6k"]
 
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_aebha"]
+content_margin_left = 16.0
+content_margin_top = 8.0
+content_margin_right = 16.0
+content_margin_bottom = 8.0
+bg_color = Color(0.435294, 0.164706, 0.0117647, 0.701961)
+border_width_left = 2
+border_width_top = 2
+border_width_right = 2
+border_width_bottom = 2
+corner_radius_top_left = 4
+corner_radius_top_right = 4
+corner_radius_bottom_right = 4
+corner_radius_bottom_left = 4
+
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_rwolb"]
 bg_color = Color(0.0364248, 0.263517, 0.310359, 1)
 
@@ -10,6 +25,7 @@ bg_color = Color(0.0364248, 0.263517, 0.310359, 1)
 [resource]
 Button/font_sizes/font_size = 64
 Button/fonts/font = ExtResource("1_00x6k")
+Button/styles/normal = SubResource("StyleBoxFlat_aebha")
 PanelContainer/styles/panel = SubResource("StyleBoxFlat_rwolb")
 PanelContainerNoBackground/base_type = &"PanelContainer"
 PanelContainerNoBackground/styles/panel = SubResource("StyleBoxEmpty_vipxn")