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class_name ActionFormat
## Byte Length: 2 [br]
## AC
var signature: String = "AC"
## Byte Type: u8 [br]
## Byte Length: 2
var version: Version
## Byte Type: u16 [br]
## Byte Length: 2
var action_count: int
## Byte Type: u8 [br]
## Byte Length: 10
var reserved: PackedByteArray
## Length: [member action_count]
var actions: Array[ActionData]
## Byte Type: u32 [br]
## Byte Length: 4
var event_count: int
## Length: [member event_count]
var events: Array[Event]
## Byte Type: f32 [br]
## Byte Length: [member action_count] [br]
## The times are given in the unit of "ticks per displayed frame". [br]
## Multiply by 24 to get the time in milliseconds.
var frame_times: Array[float]
func get_byte_length() -> int:
var length := 20
for action in actions:
length += action.get_byte_length()
length += Event.BYTE_LENGTH * event_count
length += 4 * action_count
return length
static func from_bytes(bytes: ByteStream) -> ActionFormat:
var action_format = ActionFormat.new()
bytes.advance(action_format.signature.length())
@warning_ignore("shadowed_variable")
var version = Version.new()
version.minor = bytes.decode_u8()
version.major = bytes.decode_u8()
action_format.version = version
if version.major < 2 and version.minor < 3:
print(version)
return action_format
action_format.action_count = bytes.decode_u16()
action_format.reserved = bytes.get_buffer(10).bytes
action_format.actions = [] as Array[ActionData]
for idx in action_format.action_count:
var action = ActionData.from_bytes(bytes, version)
action_format.actions.append(action)
action_format.event_count = bytes.decode_u32()
action_format.events = [] as Array[Event]
for idx in action_format.event_count:
var event = Event.from_bytes(bytes, version)
action_format.events.append(event)
action_format.frame_times = [] as Array[float]
for idx in action_format.action_count:
action_format.frame_times.append(bytes.decode_float())
return action_format
class ActionData:
## Byte Type: u32 [br]
## Byte Length: 4
var motion_count: int
## Length: [member motion_count]
var motions: Array[Motion]
func get_byte_length() -> int:
var length := 4
for motion in motions:
length += motion.get_byte_length()
return length
static func from_bytes(bytes: ByteStream, version: Version) -> ActionData:
var action = ActionData.new()
action.motion_count = bytes.decode_u32()
action.motions = [] as Array[Motion]
for idx in action.motion_count:
var motion = Motion.from_bytes(bytes, version)
action.motions.append(motion)
return action
class Motion:
## Byte Type: u8 [br]
## Byte Length: 32
var unused: PackedByteArray
## Byte Type: u32 [br]
## Byte Length: 4
var sprite_layer_count: int
## Length: [member sprite_layer_count]
var sprite_layers: Array[SpriteLayer]
## Byte Type: i32 [br]
## Byte Length: 4
var event_id: int
## Byte Type: u32 [br]
## Byte Length: 4
var sprite_anchor_count: int
## Length: [member sprite_anchor_count]
var sprite_anchors: Array[SpriteAnchor]
func get_byte_length() -> int:
return 44 + SpriteLayer.BYTE_LENGTH * sprite_layer_count + SpriteAnchor.BYTE_LENGTH * sprite_anchor_count
static func from_bytes(bytes: ByteStream, version: Version):
var motion = Motion.new()
motion.unused = bytes.get_buffer(32).bytes
motion.sprite_layer_count = bytes.decode_u32()
motion.sprite_layers = [] as Array[SpriteLayer]
for idx in motion.sprite_layer_count:
var sprite_layer = SpriteLayer.from_bytes(bytes, version)
motion.sprite_layers.append(sprite_layer)
motion.event_id = bytes.decode_s32()
motion.sprite_anchor_count = bytes.decode_u32()
motion.sprite_anchors = [] as Array[SpriteAnchor]
for idx in motion.sprite_anchor_count:
var sprite_anchor = SpriteAnchor.from_bytes(bytes, version)
motion.sprite_anchors.append(sprite_anchor)
return motion
class SpriteLayer:
const BYTE_LENGTH := 44
## Byte Type: i32 [br]
## Byte Length: 4
var position_u: int
## Byte Type: i32 [br]
## Byte Length: 4
var position_v: int
## Byte Type: i32 [br]
## Byte Length: 4
var sprite_index: int
## Byte Type: u32 [br]
## Byte Length: 4
var flip_h: int
## Byte Type: u8 [br]
## Byte Length: 1
var color_r: int
## Byte Type: u8 [br]
## Byte Length: 1
var color_g: int
## Byte Type: u8 [br]
## Byte Length: 1
var color_b: int
## Byte Type: u8 [br]
## Byte Length: 1
var color_a: int
## Byte Type: f32 [br]
## Byte Length: 4
## Versions: [2.3, 2.4]
var scale: float
## Byte Type: f32 [br]
## Byte Length: 4
## Versions: [2.5]
var scale_u: float
## Byte Type: f32 [br]
## Byte Length: 4
## Versions: [2.5]
var scale_v: float
## Byte Type: i32 [br]
## Byte Length: 4
var rotation_degrees: int
## Byte Type: u32 [br]
## Byte Length: 4
var type: int
## Byte Type: u32 [br]
## Byte Length: 4
var width: int
## Byte Type: u32 [br]
## Byte Length: 4
var height: int
func get_position() -> Vector2:
return Vector2(position_u, position_v)
func get_color() -> Color:
return Color8(color_r, color_g, color_b, color_a)
func get_scale() -> Vector2:
if scale:
return Vector2(scale, scale)
else:
return Vector2(scale_u, scale_v)
func get_size() -> Vector2:
if width and height:
return Vector2(width, height)
else:
return Vector2.ZERO
static func from_bytes(bytes: ByteStream, version: Version):
var sprite_layer = SpriteLayer.new()
sprite_layer.position_u = bytes.decode_s32()
sprite_layer.position_v = bytes.decode_s32()
sprite_layer.sprite_index = bytes.decode_s32()
sprite_layer.flip_h = bytes.decode_u32()
sprite_layer.color_r = bytes.decode_u8()
sprite_layer.color_g = bytes.decode_u8()
sprite_layer.color_b = bytes.decode_u8()
sprite_layer.color_a = bytes.decode_u8()
if version.major == 2 and version.minor >= 4:
sprite_layer.scale_u = bytes.decode_float()
sprite_layer.scale_v = bytes.decode_float()
else:
sprite_layer.scale = bytes.decode_float()
sprite_layer.rotation_degrees = bytes.decode_s32()
sprite_layer.type = bytes.decode_u32()
if version.to_string() == "2.5":
sprite_layer.width = bytes.decode_u32()
sprite_layer.height = bytes.decode_u32()
return sprite_layer
class SpriteAnchor:
const BYTE_LENGTH := 16
## Byte Type: u8 [br]
## Byte Length: 4
var unused: PackedByteArray
## Byte Type: i32 [br]
## Byte Length: 4
var position_u: int
## Byte Type: i32 [br]
## Byte Length: 4
var position_v: int
## Byte Type: u32 [br]
## Byte Length: 4
var flag: int
func get_position() -> Vector2:
return Vector2(position_u, position_v)
static func from_bytes(bytes: ByteStream, _version: Version):
var sprite_anchor = SpriteAnchor.new()
sprite_anchor.unused = bytes.get_buffer(4).bytes
sprite_anchor.position_u = bytes.decode_s32()
sprite_anchor.position_v = bytes.decode_s32()
sprite_anchor.flag = bytes.decode_u32()
return sprite_anchor
class Event:
const BYTE_LENGTH := 40
## Byte Type: u8 [br]
## Byte Length: 40
var name: String
static func from_bytes(bytes: ByteStream, _version: Version):
var event = Event.new()
event.name = bytes.get_string_from_utf8(BYTE_LENGTH)
return event
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