def node_tree(self, node_tree, interface_map):
prev_mod_map = self.mod_map
prev_socket_map = self.socket_map
prev_interface_map = self.interface_map
self.mod_map = {}
self.socket_map = {}
self.interface_map = interface_map
# nodes = node_tree.nodes
# NB: sort by node name to ensure a somewhat stable order of nodes.
# Otherwise simply selecting nodes might require full rebuild of the modifier stack
nodes = sorted(node_tree.nodes, key=lambda node: node.name)
for node in nodes:
self.mod_inst = None
prev_scope_id = self.scope_id
self.scope_id = strhash16(node.name, self.scope_id)
node.compile(self)
self.scope_id = prev_scope_id
for link in node_tree.links:
from_mod, from_param = self.socket_map.get(link.from_socket, (None, None))
to_mod, to_param = self.socket_map.get(link.to_socket, (None, None))
if from_mod and to_mod:
assert(to_param not in to_mod.param_value or not isinstance(to_mod.param_value[to_param], ModifierLink))
to_mod.param_value[to_param] = ModifierLink(from_mod, from_param)
self.mod_map = prev_mod_map
self.socket_map = prev_socket_map
self.interface_map = prev_interface_map
def __init__(self, modifier, name, scope_id):
self.modifier = modifier
key = strhash16(name, scope_id)
self.name = "%s%d" % (modifier.name, key)
self.param_value = {}
def __init__(self):
self.mod_map = None
self.socket_map = None
self.interface_map = None
self.scope_id = strhash16("")
