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1 files changed, 222 insertions, 0 deletions

diff --git a/extractor/action.gd b/extractor/action.gd
new file mode 100644
index 0000000..1865786
--- /dev/null
+++ b/extractor/action.gd
@@ -0,0 +1,222 @@
+class_name ActionFormat
+
+
+## Byte Length: 2 [br]
+## SP
+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[Action]
+
+## Byte Type: u16 [br]
+## Byte Length: 2
+var event_count: int
+
+## Length: [member event_count]
+var events: Array[Event]
+
+## Byte Type: f32 [br]
+## Byte Length: 4
+var frame_times: float
+
+
+func get_byte_length() -> int:
+		var length := 22
+		
+		for action in actions:
+			length += action.get_byte_length()
+			
+		length += Event.BYTE_LENGTH * event_count
+		
+		return length
+
+
+static func from_bytes(bytes: PackedByteArray):
+	var action = ActionFormat.new()
+	
+	@warning_ignore("shadowed_variable")
+	var version = Version.new()
+	version.minor = bytes.decode_u8(2)
+	version.major = bytes.decode_u8(3)
+	action.version = version
+	
+	print(version)
+	
+	action.action_count = bytes.decode_u16(4)
+	action.reserved = bytes.slice(6, 6 + 10)
+	
+	# TODO
+	action.actions = [] as Array[Action]
+	
+	action.event_count = 0
+	
+	action.frame_times = 0.0
+	
+	print(inst_to_dict(action))
+	
+	return action
+
+
+class Action:
+	## 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
+
+
+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
+
+
+class SpriteLayer:
+	const BYTE_LENGTH := 48
+	
+	## 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 is_flipped_vertical: 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
+	var scale_u: float
+	
+	## Byte Type: f32 [br]
+	## Byte Length: 4
+	var scale_v: float
+	
+	## Byte Type: i32 [br]
+	## Byte Length: 4
+	var rotation_degrees: int
+	
+	## Byte Type: u32 [br]
+	## Byte Length: 4
+	var sprite_type: int
+	
+	## Byte Type: u32 [br]
+	## Byte Length: 4
+	var sprite_width: int
+	
+	## Byte Type: u32 [br]
+	## Byte Length: 4
+	var sprite_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:
+		return Vector2(scale_u, scale_v)
+	
+	
+	func get_size() -> Vector2:
+		return Vector2(sprite_width, sprite_height)
+
+
+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)
+
+
+class Event:
+	const BYTE_LENGTH := 40
+	
+	## Byte Type: u8 [br]
+	## Byte Length: 40
+	var name: String