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https://codeberg.org/StreamGraph/StreamGraph.git
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63 lines
1.6 KiB
GDScript
63 lines
1.6 KiB
GDScript
class_name Deck
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var nodes: Dictionary
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enum Types{
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ERROR = -1,
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BOOL,
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NUMERIC,
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STRING,
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ARRAY,
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DICTIONARY,
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}
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static var type_assoc: Dictionary = {
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Types.ERROR: DeckType.DeckTypeError,
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Types.BOOL: DeckType.DeckTypeBool,
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Types.NUMERIC: DeckType.DeckTypeNumeric,
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Types.STRING: DeckType.DeckTypeString,
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Types.ARRAY: DeckType.DeckTypeArray,
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Types.DICTIONARY: DeckType.DeckTypeDictionary,
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}
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var variable_stack: Dictionary = {}
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func add_node(node: GDScript, meta: Dictionary = {}) -> DeckNode:
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# TODO: accept instances of DeckNode instead of instancing here?
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var uuid := UUID.v4()
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var node_inst: DeckNode = node.new() as DeckNode
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nodes[uuid] = node_inst
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node_inst._belonging_to = self
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node_inst._id = uuid
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if !meta.is_empty():
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for k in meta:
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node_inst.set_meta(k, meta[k])
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return node_inst
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func get_node(uuid: String) -> DeckNode:
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return nodes.get(uuid)
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func connect_nodes(from_node: DeckNode, to_node: DeckNode, from_port: int, to_port: int) -> bool:
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# first, check that we can do the type conversion.
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var type_a: Types = from_node.ports[from_port].type
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var type_b: Types = to_node.ports[to_port].type
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var err: DeckType = (type_assoc[type_b]).from(type_assoc[type_a].new())
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if err is DeckType.DeckTypeError:
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print(err.error_message)
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return false
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# TODO: prevent duplicate connections
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from_node.add_outgoing_connection(from_port, to_node._id, to_port)
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return true
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func disconnect_nodes(from_node: DeckNode, to_node: DeckNode, from_port: int, to_port: int) -> void:
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var hash = {to_node._id: to_port}.hash()
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from_node.remove_outgoing_connection(from_port, hash)
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