woofmeow/netfishing
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fix: improve movement under network latency

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This commit is contained in:
Alexander Sellite 2026-08-15 20:05:26 -04:00
parent 72770cbfd2
commit c260472d8a
4 changed files with 364 additions and 31 deletions
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28
network/network_session.gd
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@ -12,6 +12,7 @@ const SNAPSHOT_INTERVAL: float = 1.0 / 30.0
const MOVEMENT_SNAPSHOT_BATCH_SIZE: int = 8
const MOVEMENT_SNAPSHOT_FIELD_COUNT: int = 12
const MAX_MOVEMENT_INPUT_SEQUENCE: int = 2147483647
const MAX_MOVEMENT_ONE_WAY_TRANSIT_SECONDS: float = 0.25
signal state_changed(state: State)
signal status_message_changed(message: String)
@ -1890,6 +1891,9 @@ func receive_movement_snapshots(encoded_snapshots: Array) -> void:
if state != State.JOINED_CLIENT:
return
var local_peer_id: int = multiplayer.get_unique_id()
var estimated_transit_seconds: float = (
_estimated_movement_transit_seconds()
)
for value: Variant in encoded_snapshots:
var snapshot: Dictionary = _decode_movement_snapshot(value)
if snapshot.is_empty():
@ -1905,9 +1909,25 @@ func receive_movement_snapshots(encoded_snapshots: Array) -> void:
snapshot,
_input_sequence,
INPUT_INTERVAL,
estimated_transit_seconds,
)
else:
avatar.push_network_snapshot(snapshot)
avatar.push_network_snapshot(
snapshot,
estimated_transit_seconds,
)
func _estimated_movement_transit_seconds() -> float:
if state != State.JOINED_CLIENT:
return -1.0
var round_trip_msec: int = get_peer_rtt_ms(get_local_peer_id())
if round_trip_msec < 0:
return -1.0
return minf(
float(round_trip_msec) / 2000.0,
MAX_MOVEMENT_ONE_WAY_TRANSIT_SECONDS,
)
func publish_authoritative_teleport(peer_id: int) -> void:
@ -2149,6 +2169,11 @@ func _fail(message: String) -> void:
func _teardown_peer() -> void:
var local_avatar: Player
if _spawn_service != null:
local_avatar = _spawn_service.get_local_player()
if local_avatar != null:
local_avatar.reset_network_movement_state()
for peer_id: int in _recovery_attempts.keys():
remote_recovery_presentation_changed.emit(
peer_id, false, _recovery_attempts[peer_id]
@ -2166,6 +2191,7 @@ func _teardown_peer() -> void:
_transport.disconnect_transport()
multiplayer.multiplayer_peer = OfflineMultiplayerPeer.new()
_connection_deadline = 0.0
_input_sequence = 0
_input_accumulator = 0.0
_snapshot_accumulator = 0.0
_server_capabilities = PackedStringArray()