simple_state.gd(檔案已創建)
| @@ -0,0 +1,67 @@ | |||
| 1 | + | extends Node | |
| 2 | + | class_name _SimpleState | |
| 3 | + | ||
| 4 | + | signal state_changed(name, state) | |
| 5 | + | ||
| 6 | + | var state := { } | |
| 7 | + | ||
| 8 | + | ||
| 9 | + | func register(state_name: String, inital_state: Dictionary = {}) -> void: | |
| 10 | + | state[state_name] = inital_state | |
| 11 | + | ||
| 12 | + | ||
| 13 | + | func replace(state_name: String, new_state: Dictionary) -> void: | |
| 14 | + | state[state_name] = new_state.duplicate(true) | |
| 15 | + | emit_signal("state_changed", state_name, state) | |
| 16 | + | ||
| 17 | + | ||
| 18 | + | func update(state_name: String, new_state: Dictionary) -> void: | |
| 19 | + | state[state_name] = _SimpleState.merge(get_state(state_name), new_state) | |
| 20 | + | emit_signal("state_changed", state_name, state) | |
| 21 | + | ||
| 22 | + | ||
| 23 | + | func update_deep(state_name: String, new_state: Dictionary) -> void: | |
| 24 | + | state[state_name] = _SimpleState.merge_deep(get_state(state_name), new_state) | |
| 25 | + | emit_signal("state_changed", state_name, state) | |
| 26 | + | ||
| 27 | + | ||
| 28 | + | func update_mut(state_name: String, new_state: Dictionary) -> void: | |
| 29 | + | _SimpleState.copy_to(state[state_name], new_state) | |
| 30 | + | emit_signal("state_changed") | |
| 31 | + | ||
| 32 | + | ||
| 33 | + | func _on_update_state(data: Dictionary) -> void: | |
| 34 | + | update(data.state_name, data.state) | |
| 35 | + | ||
| 36 | + | ||
| 37 | + | func get_state(state_name: String) -> Dictionary: | |
| 38 | + | return state[state_name].duplicate() | |
| 39 | + | ||
| 40 | + | ||
| 41 | + | static func copy_to(a: Dictionary, b: Dictionary) -> void: | |
| 42 | + | for key in b: | |
| 43 | + | a[key] = b[key] | |
| 44 | + | ||
| 45 | + | ||
| 46 | + | ||
| 47 | + | static func copy_to_deep(a: Dictionary, b: Dictionary) -> void: | |
| 48 | + | for k in b: | |
| 49 | + | if process_recursively(a, b, k): | |
| 50 | + | copy_to_deep(a[k], b[k]) | |
| 51 | + | else: | |
| 52 | + | a[k] = b[k] | |
| 53 | + | ||
| 54 | + | ||
| 55 | + | static func process_recursively(a, b, k) -> bool: | |
| 56 | + | return a.has(k) and a[k] is Dictionary and b[k] is Dictionary | |
| 57 | + | ||
| 58 | + | static func merge(a: Dictionary, b: Dictionary) -> Dictionary: | |
| 59 | + | var c := a.duplicate(true) | |
| 60 | + | copy_to(c, b) | |
| 61 | + | return c | |
| 62 | + | ||
| 63 | + | ||
| 64 | + | static func merge_deep(a: Dictionary, b: Dictionary) -> Dictionary: | |
| 65 | + | var c := a.duplicate(true) | |
| 66 | + | copy_to_deep(c, b) | |
| 67 | + | return c | |
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