material-maker/addons/material_maker/engine/gen_context.gd
2019-12-12 23:11:43 +01:00

31 lines
738 B
GDScript

tool
extends Object
class_name MMGenContext
var variants : Dictionary = {}
var parent_context : MMGenContext = null
func _init(p = null) -> void:
parent_context = p
func has_variant(generator) -> bool:
return variants.has(generator) or parent_context != null and parent_context.has_variant(generator)
func touch_variant(generator) -> void:
if !variants.has(generator):
variants[generator] = []
if parent_context != null:
parent_context.touch_variant(generator)
func get_variant(generator, variant) -> int:
var rv = -1
if variants.has(generator):
rv = variants[generator].find(variant)
if rv == -1:
variants[generator].push_back(variant)
else:
variants[generator] = [variant]
touch_variant(generator)
return rv