material-maker/addons/material_maker/engine/gen_graph.gd
2019-08-17 17:35:48 +02:00

43 lines
1.2 KiB
GDScript

tool
extends MMGenBase
class_name MMGenGraph
var connections = []
func get_type():
return "graph"
func get_port_source(gen_name: String, input_index: int) -> OutputPort:
for c in connections:
if c.to == gen_name and c.to_port == input_index:
var src_gen = get_node(c.from)
if src_gen != null:
return OutputPort.new(get_node(c.from), c.from_port)
return null
func connect_children(from, from_port : int, to, to_port : int):
# disconnect target
while true:
var remove = -1
for i in connections.size():
if connections[i].to == to.name and connections[i].to_port == to_port:
remove = i
break
if remove == -1:
break
connections.remove(remove)
# create new connection
connections.append({from=from.name, from_port=from_port, to=to.name, to_port=to_port})
return true
func disconnect_children(from, from_port : int, to, to_port : int):
while true:
var remove = -1
for i in connections.size():
if connections[i].from == from.name and connections[i].from_port == from_port and connections[i].to == to.name and connections[i].to_port == to_port:
remove = i
break
if remove == -1:
break
connections.remove(remove)
return true