added shortcut labels, added symmetry for pencil

addons/Godoxel/Canvas.gd

@@ -23,6 +23,8 @@ var grid
 var big_grid
 var selected_pixels = []
 
+var symmetry_x = false
+var symmetry_y = false
 
 
 func _enter_tree():

addons/Godoxel/Editor.gd

@@ -15,6 +15,20 @@ enum Tools {
 	PASTECUT,
 }
 
+# Keyboard shortcuts
+const K_UNDO = KEY_Z
+const K_REDO = KEY_Y
+const K_PENCIL = KEY_Q
+const K_BRUSH = KEY_W
+const K_BUCKET = KEY_F
+const K_RAINBOW = KEY_R
+const K_LINE = KEY_L
+const K_DARK = KEY_D
+const K_BRIGHT = KEY_B
+const K_CUT = KEY_C
+const K_PICK = KEY_P
+
+
 var layer_buttons: Control
 var paint_canvas_container_node
 var paint_canvas: GECanvas
@@ -125,11 +139,8 @@ func _input(event):
 	if paint_canvas_container_node == null or paint_canvas == null:
 		return
 	
-	if event is InputEventKey:
-		if event.scancode == KEY_Z and event.is_pressed() and not event.is_echo():
-			undo_action()
-		elif event.scancode == KEY_Y and event.is_pressed() and not event.is_echo():
-			redo_action()
+	if event is InputEventKey and event.is_pressed() and not event.is_echo():
+		_handle_shortcuts(event.scancode)
 	
 	if is_mouse_in_canvas():
 		_handle_zoom(event)
@@ -222,6 +233,42 @@ func _process(delta):
 	_last_mouse_pos_canvas_area = get_global_mouse_position() #paint_canvas_container_node.get_local_mouse_position()
 
 
+func _handle_shortcuts(scancode):
+	match scancode:
+		K_UNDO:
+			undo_action()
+			
+		K_REDO:
+			redo_action()
+			
+		K_PENCIL:
+			set_brush(Tools.PAINT)
+			
+		K_BRUSH:
+			set_brush(Tools.BRUSH)
+			
+		K_BUCKET:
+			set_brush(Tools.BUCKET)
+			
+		K_RAINBOW:
+			set_brush(Tools.RAINBOW)
+			
+		K_LINE:
+			set_brush(Tools.LINE)
+			
+		K_DARK:
+			set_brush(Tools.DARKEN)
+			
+		K_BRIGHT:
+			set_brush(Tools.BRIGHTEN)
+			
+		K_CUT:
+			set_brush(Tools.CUT)
+			
+		K_PICK:
+			set_brush(Tools.COLORPICKER)
+
+
 func _draw_tool_brush():
 	paint_canvas.tool_layer.clear()
 	
@@ -775,3 +822,11 @@ func _on_BrushHLine_pressed():
 
 func _on_BrushSize_value_changed(value: float):
 	find_node("BrushSizeLabel").text = str(int(value))
+
+
+func _on_XSymmetry_pressed():
+	paint_canvas.symmetry_x = not paint_canvas.symmetry_x
+
+
+func _on_YSymmetry_pressed():
+	paint_canvas.symmetry_y = not paint_canvas.symmetry_y

addons/Godoxel/actions/Action.gd

@@ -45,3 +45,79 @@ func can_commit() -> bool:
 	return not action_data.redo.empty()
 
 
+func get_x_sym_points(canvas_width, pixel):
+	var p = int(canvas_width - pixel.x)
+	var all_points = [pixel, Vector2(p-1, pixel.y)]
+	
+	var points :Array = []
+	for point in all_points:
+		if point in points:
+			continue
+		points.append(point)
+	return points
+
+
+func get_y_sym_points(canvas_height, pixel):
+	var p = int(canvas_height - pixel.y)
+	var all_points = [pixel, Vector2(pixel.x, p-1)]
+	
+	var points :Array = []
+	for point in all_points:
+		if point in points:
+			continue
+		points.append(point)
+	return points
+
+
+func get_xy_sym_points(canvas_width, canvas_height, pixel):
+	var all_points = []
+	var xpoints = get_x_sym_points(canvas_width, pixel)
+	
+	all_points += get_y_sym_points(canvas_height, xpoints[0])
+	all_points += get_y_sym_points(canvas_height, xpoints[1])
+	
+	var points :Array = []
+	for point in all_points:
+		if point in points:
+			continue
+		points.append(point)
+	
+	return points
+
+
+func get_points(canvas, pixel):
+	var points = []
+	if canvas.symmetry_x and canvas.symmetry_y:
+		var sym_points = get_xy_sym_points(canvas.canvas_width, canvas.canvas_height, pixel)
+		for point in sym_points:
+			if point in action_data.undo.cells or canvas.get_pixel_v(point) == null:
+				continue
+			if canvas.is_alpha_locked() and canvas.get_pixel_v(pixel) == Color.transparent:
+				continue
+			points.append(point)
+	elif canvas.symmetry_y:
+		var sym_points = get_y_sym_points(canvas.canvas_height, pixel)
+		for point in sym_points:
+			if point in action_data.undo.cells or canvas.get_pixel_v(point) == null:
+				continue
+			if canvas.is_alpha_locked() and canvas.get_pixel_v(pixel) == Color.transparent:
+				continue
+			points.append(point)
+	elif canvas.symmetry_x:
+		var sym_points = get_x_sym_points(canvas.canvas_width, pixel)
+		for point in sym_points:
+			if point in action_data.undo.cells or canvas.get_pixel_v(point) == null:
+				continue
+			if canvas.is_alpha_locked() and canvas.get_pixel_v(pixel) == Color.transparent:
+				continue
+			points.append(point)
+	else:
+		if pixel in action_data.undo.cells or canvas.get_pixel_v(pixel) == null:
+			return []
+		if canvas.is_alpha_locked() and canvas.get_pixel_v(pixel) == Color.transparent:
+			return []
+		points.append(pixel)
+	
+	return points
+
+

addons/Godoxel/actions/Pencil.gd

@@ -7,18 +7,17 @@ func do_action(canvas, data: Array):
 	
 	var pixels = GEUtils.get_pixels_in_line(data[0], data[1])
 	for pixel in pixels:
-		if pixel in action_data.undo.cells or canvas.get_pixel_v(pixel) == null:
-			continue
-		
-		if canvas.is_alpha_locked() and canvas.get_pixel_v(pixel) == Color.transparent:
-			continue
-		
-		action_data.undo.colors.append(canvas.get_pixel_v(pixel))
-		action_data.undo.cells.append(pixel)
-		canvas.set_pixel_v(pixel, data[2])
+		for p in get_points(canvas, pixel):
+			_set_pixel(canvas, p, data[2])
+
+
+func _set_pixel(canvas, pixel, color):
+	action_data.undo.colors.append(canvas.get_pixel_v(pixel))
+	action_data.undo.cells.append(pixel)
+	canvas.set_pixel_v(pixel, color)
 	
-		action_data.redo.cells.append(pixel)
-		action_data.redo.colors.append(data[2])
+	action_data.redo.cells.append(pixel)
+	action_data.redo.colors.append(color)
 
 
 func commit_action(canvas):