material-maker/addons/material_maker/engine/gen_graph.gd

213 lines
6.5 KiB
GDScript

tool
extends MMGenBase
class_name MMGenGraph
var label : String = "Graph"
var connections = []
func get_type():
return "graph"
func get_type_name():
return label
func get_parameter_defs():
if has_node("gen_parameters"):
return get_node("gen_parameters").get_parameter_defs()
return []
func set_parameter(p, v):
if has_node("gen_parameters"):
return get_node("gen_parameters").set_parameter(p, v)
func get_input_defs():
if has_node("gen_inputs"):
return get_node("gen_inputs").get_output_defs()
return []
func get_output_defs():
if has_node("gen_outputs"):
return get_node("gen_outputs").get_input_defs()
return []
func source_changed(input_index : int):
if has_node("gen_inputs"):
return get_node("gen_inputs").source_changed(input_index)
func get_port_source(gen_name: String, input_index: int) -> OutputPort:
if gen_name == "gen_inputs":
var parent = get_parent()
if parent != null and parent.get_script() == get_script():
return parent.get_port_source(name, input_index)
else:
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:
if src_gen.get_script() == get_script():
return src_gen.get_port_source("gen_outputs", c.from_port)
return OutputPort.new(src_gen, c.from_port)
return null
func get_port_targets(gen_name: String, output_index: int) -> Array:
var rv = []
for c in connections:
if c.from == gen_name and c.from_port == output_index:
var tgt_gen = get_node(c.to)
if tgt_gen != null:
rv.push_back(InputPort.new(tgt_gen, c.to_port))
return rv
func add_generator(generator : MMGenBase):
var name = generator.name
var index = 1
while has_node(name):
index += 1
name = generator.name + "_" + str(index)
generator.name = name
add_child(generator)
func remove_generator(generator : MMGenBase):
var new_connections = []
for c in connections:
if c.from != generator.name and c.to != generator.name:
new_connections.append(c)
connections = new_connections
generator.queue_free()
func replace_generator(old : MMGenBase, new : MMGenBase):
new.name = old.name
new.position = old.position
remove_child(old)
old.free()
add_child(new)
func connect_children(from, from_port : int, to, to_port : int):
# check the new connection does not create a loop
var spreadlist = [ InputPort.new(to, to_port) ]
while !spreadlist.empty():
var input : InputPort = spreadlist.pop_front()
for o in input.generator.follow_input(input.input_index):
if o.generator == from and o.output_index == from_port:
return false
for t in o.generator.get_parent().get_port_targets(o.generator.name, o.output_index):
spreadlist.push_back(t)
# 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
func _get_shader_code(uv : String, output_index : int, context : MMGenContext):
var outputs = get_node("gen_outputs")
if outputs != null:
var rv = outputs._get_shader_code(uv, output_index, context)
while rv is GDScriptFunctionState:
rv = yield(rv, "completed")
return rv
return { globals=[], defs="", code="", textures={} }
func _serialize(data):
data.label = label
data.nodes = []
for c in get_children():
data.nodes.append(c.serialize())
data.connections = connections
return data
func edit(node):
node.get_parent().call_deferred("update_view", self)
func create_subgraph(gens):
# Remove material, gen_inputs and gen_outputs nodes
var generators = []
var center = Vector2(0, 0)
var left_bound = 65535
var right_bound = -65536
var count = 0
for g in gens:
if g.name != "Material" and g.name != "gen_inputs" and g.name != "gen_outputs":
generators.push_back(g)
var p = g.position
center += p
count += 1
if left_bound > p.x: left_bound = p.x
if right_bound < p.x: right_bound = p.x
if count == 0:
return
center /= count
var new_graph = get_script().new()
new_graph.name = "graph"
add_generator(new_graph)
new_graph.position = center
var names : Array = []
for g in generators:
names.push_back(g.name)
remove_child(g)
new_graph.add_generator(g)
var new_graph_connections = []
var my_new_connections = []
var gen_inputs = null
var gen_outputs = null
var inputs = []
var outputs = []
for c in connections:
var src_name = c.from+"."+str(c.from_port)
if names.find(c.from) != -1 and names.find(c.to) != -1:
new_graph_connections.push_back(c)
elif names.find(c.from) != -1:
var port_index = outputs.find(src_name)
if port_index == -1:
port_index = outputs.size()
outputs.push_back(src_name)
if gen_outputs == null:
gen_outputs = MMGenIOs.new()
gen_outputs.name = "gen_outputs"
gen_outputs.position = Vector2(right_bound+300, center.y)
new_graph.add_generator(gen_outputs)
gen_outputs.ports.push_back( { name="port"+str(port_index), type="rgba" } )
print(gen_outputs.ports)
my_new_connections.push_back( { from=new_graph.name, from_port=port_index, to=c.to, to_port=c.to_port } )
new_graph_connections.push_back( { from=c.from, from_port=c.from_port, to="gen_outputs", to_port=port_index } )
elif names.find(c.to) != -1:
var port_index = inputs.find(src_name)
if port_index == -1:
port_index = inputs.size()
inputs.push_back(src_name)
if gen_inputs == null:
gen_inputs = MMGenIOs.new()
gen_inputs.name = "gen_inputs"
gen_inputs.position = Vector2(left_bound-300, center.y)
new_graph.add_generator(gen_inputs)
gen_inputs.ports.push_back( { name="port"+str(port_index), type="rgba" } )
my_new_connections.push_back( { from=c.from, from_port=c.from_port, to=new_graph.name, to_port=port_index } )
new_graph_connections.push_back( { from="gen_inputs", from_port=port_index, to=c.to, to_port=c.to_port } )
else:
my_new_connections.push_back(c)
connections = my_new_connections
new_graph.connections = new_graph_connections
for g in generators:
if g.get_script() == load("res://addons/material_maker/engine/gen_remote.gd"):
g.name = "gen_parameters"
break