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https://codeberg.org/StreamGraph/StreamGraph.git
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104 lines
2.5 KiB
GDScript
104 lines
2.5 KiB
GDScript
extends Node
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const BASE_NODE_PATH := "res://classes/deck/nodes/"
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const NODE_INDEX_CACHE_PATH := "user://nodes_index.json"
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# Dictionary[node_type, NodeDescriptor]
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var nodes: Dictionary = {}
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func _init() -> void:
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if load_node_index():
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return
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var dir := DirAccess.open(BASE_NODE_PATH)
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dir.list_dir_begin()
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var current_file := dir.get_next()
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while current_file != "":
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print(current_file)
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if current_file.ends_with(".gd"):
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var script_path := BASE_NODE_PATH.path_join(current_file)
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var node: DeckNode = load(script_path).new() as DeckNode
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var aliases: String = node.aliases.reduce(
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func(accum, el) -> void:
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accum += el
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, "")
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var descriptor := NodeDescriptor.new(script_path, node.name, node.description, aliases)
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nodes[node.node_type] = descriptor
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current_file = dir.get_next()
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save_node_index()
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func instance_node(type: String) -> DeckNode:
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if !nodes.has(type):
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return null
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return load(nodes[type]["script_path"]).new()
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func save_node_index() -> void:
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var d := {}
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for node_type in nodes:
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var nd: NodeDescriptor = nodes[node_type] as NodeDescriptor
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d[node_type] = nd.to_dictionary()
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var json := JSON.stringify(d, "\t")
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var f := FileAccess.open(NODE_INDEX_CACHE_PATH, FileAccess.WRITE)
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f.store_string(json)
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func load_node_index() -> bool:
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var f := FileAccess.open(NODE_INDEX_CACHE_PATH, FileAccess.READ)
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if f == null:
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print("node index file does not exist")
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return false
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var data: Dictionary = JSON.parse_string(f.get_as_text()) as Dictionary
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if data.is_empty():
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print("node index file exists, but is empty")
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return false
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for node_type in data:
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var nd_dict: Dictionary = data[node_type]
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var nd := NodeDescriptor.from_dictionary(nd_dict)
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nodes[node_type] = nd
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print("node index file exists, loaded")
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return true
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class NodeDescriptor:
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var name: String
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var description: String
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var aliases: String
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var script_path: String
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func _init(p_script_path: String, p_name: String, p_description: String, p_aliases: String) -> void:
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script_path = p_script_path
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name = p_name
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description = p_description
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aliases = p_aliases
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func to_dictionary() -> Dictionary:
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var d := {
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"name": name,
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"description": description,
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"aliases": aliases,
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"script_path": script_path
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}
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return d
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static func from_dictionary(data: Dictionary) -> NodeDescriptor:
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var nd := NodeDescriptor.new(
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data.get("script_path", ""),
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data.get("name", ""),
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data.get("description", ""),
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data.get("aliases", ""))
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return nd
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