class_name TrackSaveableData
extends Resource
var time: float
var checkpoints: Array#[PackedFloat32Array]
var positional := {
origins = PackedVector3Array(),
rotations = PackedVector3Array(),
steering = PackedFloat32Array(),
snaps = 0,
}
func save(path: String) -> void:
_save_file(path, {checkpoints = checkpoints, positional = positional, time = time})
func _init(num_checkpoints := 0, laps := 0) -> void:
for i in laps:
var arr := []
arr.resize(num_checkpoints + 1)
arr.fill(-1)
checkpoints.append(arr)
func collect(lap: int, cp: int, now: float) -> void:
if lap == len(checkpoints) - 1 && cp == -1:
checkpoints[lap][cp] = now
time = now
else:
checkpoints[lap][cp] = now
func get_time(lap: int, cp: int) -> float:
return checkpoints[lap][cp]
func snapshot(obj: Car) -> void:
positional.origins.append(obj.global_position)
positional.rotations.append(obj.global_rotation)
positional.steering.append(snappedf(obj.steering, .1)) # FastLZ benefits from repetition
positional.snaps += 1
func loadshot(frame: int) -> Array:
return [positional.origins[frame], positional.rotations[frame], positional.steering[frame]]
func snaps() -> int:
return positional.snaps
static func from_d(d: Dictionary) -> TrackSaveableData:
var obj := TrackSaveableData.new(0)
obj.time = d.time
obj.checkpoints = d.checkpoints
obj.positional = d.positional
return obj
## Saves a basic dictionary to a path.
static func _save_file(path: String, data: Dictionary) -> void:
var file := FileAccess.open_compressed(path, FileAccess.WRITE, FileAccess.COMPRESSION_FASTLZ)
file.store_buffer(var_to_bytes(data))
## Loads a basic dictionary out of a file.
static func _load_file(path: String) -> Dictionary:
if FileAccess.file_exists(path):
var file := FileAccess.open_compressed(path, FileAccess.READ, FileAccess.COMPRESSION_FASTLZ)
var text := file.get_buffer(file.get_length())
var dict := {}
if text:
dict = bytes_to_var(text)
return dict
_save_file(path, {}) # create file if it doesn't exist
return {}
static func _load(path: String) -> TrackSaveableData:
var res := _load_file(path)
if res.is_empty():
return null
return TrackSaveableData.from_d(res)