material-maker/addons/material_maker/library.gd

106 lines
3.0 KiB
GDScript

tool
extends Tree
func get_drag_data(position):
var selected_item = get_selected()
if selected_item != null:
var data = selected_item.get_metadata(0)
if data == null:
return null
var preview
if data.has("icon") && data.has("library"):
var filename = data.library.left(data.library.rfind("."))+"/"+data.icon+".png"
preview = TextureRect.new()
preview.texture = ImageTexture.new()
preview.texture.load(filename)
elif data.has("type") and data.type == "uniform":
preview = ColorRect.new()
preview.rect_size = Vector2(32, 32)
if data.has("color"):
preview.color = Color(data.color.r, data.color.g, data.color.b, data.color.a)
else:
preview = Label.new()
preview.text = data.tree_item
set_drag_preview(preview)
return data
return null
func _ready():
var root = create_item()
var lib_path = OS.get_executable_path().get_base_dir()+"/library/base.json"
if !add_library(lib_path):
add_library("res://addons/material_maker/library/base.json")
add_library("user://library/user.json")
func add_library(filename):
var root = get_root()
var file = File.new()
if file.open(filename, File.READ) != OK:
return false
var lib = parse_json(file.get_as_text())
file.close()
if lib != null && lib.has("lib"):
for m in lib.lib:
m.library = filename
add_item(m, m.tree_item)
return true
return false
func add_item(item, item_name, item_parent = null):
if item_parent == null:
item.tree_item = item_name
item_parent = get_root()
var slash_position = item_name.find("/")
if slash_position == -1:
var new_item = null
var c = item_parent.get_children()
while c != null:
if c.get_text(0) == item_name:
new_item = c
break
c = c.get_next()
if new_item == null:
new_item = create_item(item_parent)
new_item.set_text(0, item_name)
new_item.collapsed = true
if item.has("type") || item.has("nodes"):
new_item.set_metadata(0, item)
if item.has("collapsed"):
new_item.collapsed = item.collapsed
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.collapsed = true
new_parent.set_text(0, prefix)
return add_item(item, suffix, new_parent)
func serialize_library(array, library_name, item = null):
if item == null:
item = get_root()
item = item.get_children()
while item != null:
var m = item.get_metadata(0)
if m != null && m.has("library") and m.library == library_name:
array.append(m)
serialize_library(array, library_name, item)
item = item.get_next()
func save_library(library_name, item = null):
var array = []
serialize_library(array, library_name)
print("Saving library "+library_name)
var file = File.new()
if file.open(library_name, File.WRITE) == OK:
file.store_string(to_json({lib=array}))
file.close()