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class_name AchievementData
extends PacketChunk


const BYTE_LENGTH := 50


## Byte Type: u32
## Byte Length: 4
var achievement_id: int

## Byte Type: u8
## Byte Length: 1
var is_completed: bool

## Byte Type: u32
## Byte Length: 4 * 10
var objectives: PackedByteArray

## Byte Type: u32
## Byte Length: 4
var completion_timestamp: int

## Byte Type: u8
## Byte Length: 1
var got_rewarded: bool


static func from_bytes(bytes: PackedByteArray) -> AchievementData:
	var achievement_data = AchievementData.new()
	
	achievement_data.achievement_id = bytes.decode_u32(0)
	achievement_data.is_completed = bytes.decode_u8(4)
	achievement_data.objectives = bytes.slice(5, 5 + 40)
	achievement_data.completion_timestamp = bytes.decode_u32(45)
	achievement_data.got_rewarded = bytes.decode_u8(49)
	
	return achievement_data


static func array_from_bytes(bytes: PackedByteArray) -> Array[AchievementData]:
	var array: Array[AchievementData] = []
	
	var offset = 0
	while offset < bytes.size():
		var chunk = from_bytes(bytes.slice(offset))
		array.append(chunk)
		offset += chunk.byte_length
	
	return array