material-maker/addons/procedural_material/library.gd
2018-08-05 18:46:23 +02:00

50 lines
1.2 KiB
GDScript

extends Tree
# class member variables go here, for example:
# var a = 2
# var b = "textvar"
func get_drag_data(position):
var selected_item = get_selected()
if selected_item != null:
var data = selected_item.get_metadata(0)
return data
return null
func _ready():
var root = create_item()
add_library("res://addons/procedural_material/material_library.json")
func add_library(filename):
var root = get_root()
var file = File.new()
if file.open(filename, File.READ) != OK:
return
var lib = parse_json(file.get_as_text())
file.close()
for m in lib.lib:
add_item(m, m.tree_item, root)
func add_item(item, item_name, item_parent):
var slash_position = item_name.find("/")
if slash_position == -1:
var new_item = create_item(item_parent)
new_item.set_text(0, item_name)
new_item.set_metadata(0, item)
return new_item
else:
var prefix = item_name.left(slash_position)
var suffix = item_name.right(slash_position+1)
var new_parent = null
var c = item_parent.get_children()
while c != null:
if c.get_text(0) == prefix:
new_parent = c
break
c = c.get_next()
if new_parent == null:
new_parent = create_item(item_parent)
new_parent.set_text(0, prefix)
return add_item(item, suffix, new_parent)