95 lines
2.5 KiB
GDScript3
95 lines
2.5 KiB
GDScript3
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class_name NetworkPlayerAnimationProtocol
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extends RefCounted
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const FORMAT_VERSION: int = 1
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const MAX_STATE_ID_LENGTH: int = 64
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const MAX_ACTION_SEQUENCE: int = 2147483647
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const MAX_ACTION_ELAPSED_SECONDS: float = 86400.0
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const LOCOMOTION_IDLE: StringName = &"idle"
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const LOCOMOTION_WALKING: StringName = &"walking"
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const LOCOMOTION_RUNNING: StringName = &"running"
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static func make_state(
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locomotion_id: StringName,
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grounded: bool,
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action_id: StringName = &"",
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action_sequence: int = 0,
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action_elapsed: float = 0.0,
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) -> Dictionary:
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return {
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"format_version": FORMAT_VERSION,
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"locomotion_id": String(locomotion_id),
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"grounded": grounded,
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"action": make_action_state(
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action_id, action_sequence, action_elapsed
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),
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}
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static func make_action_state(
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action_id: StringName = &"",
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action_sequence: int = 0,
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action_elapsed: float = 0.0,
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) -> Dictionary:
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return {
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"id": String(action_id),
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"sequence": action_sequence,
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"elapsed": action_elapsed,
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}
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static func validate_state(value: Variant) -> bool:
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if typeof(value) != TYPE_DICTIONARY:
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return false
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var state: Dictionary = value
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return (
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typeof(state.get("format_version")) == TYPE_INT
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and int(state["format_version"]) == FORMAT_VERSION
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and valid_state_id(state.get("locomotion_id"), false)
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and typeof(state.get("grounded")) == TYPE_BOOL
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and validate_action_state(state.get("action"))
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)
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static func validate_action_state(value: Variant) -> bool:
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if typeof(value) != TYPE_DICTIONARY:
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return false
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var action: Dictionary = value
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if (
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not valid_state_id(action.get("id"), true)
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or typeof(action.get("sequence")) != TYPE_INT
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or typeof(action.get("elapsed")) not in [TYPE_FLOAT, TYPE_INT]
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):
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return false
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var sequence: int = int(action["sequence"])
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var elapsed: float = float(action["elapsed"])
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return (
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sequence >= 0
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and sequence <= MAX_ACTION_SEQUENCE
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and is_finite(elapsed)
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and elapsed >= 0.0
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and elapsed <= MAX_ACTION_ELAPSED_SECONDS
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)
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static func valid_state_id(value: Variant, allow_empty: bool) -> bool:
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if typeof(value) not in [TYPE_STRING, TYPE_STRING_NAME]:
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return false
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var state_id: String = str(value)
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if state_id.is_empty():
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return allow_empty
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if state_id.length() > MAX_STATE_ID_LENGTH:
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return false
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for index: int in state_id.length():
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var codepoint: int = state_id.unicode_at(index)
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var valid_character: bool = (
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codepoint >= 97 and codepoint <= 122
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or codepoint >= 48 and codepoint <= 57
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or codepoint == 95
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)
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if not valid_character:
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return false
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return true
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