woofmeow/netfishing
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Improve controller freecam and network movement

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This commit is contained in:
Alexander Sellite 2026-08-14 22:12:13 -04:00
parent a3e0830bd1
commit 79a399674a
4 changed files with 263 additions and 22 deletions
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120
network/network_session.gd
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@ -9,6 +9,8 @@ const CONNECTION_TIMEOUT_SECONDS: float = 10.0
const AUTHENTICATION_TIMEOUT_SECONDS: float = 60.0
const INPUT_INTERVAL: float = 1.0 / 30.0
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
signal state_changed(state: State)
@ -1775,24 +1777,122 @@ func _is_valid_movement_input(data: Dictionary) -> bool:
func _broadcast_movement_snapshots() -> void:
var snapshots: Array[Dictionary] = []
var snapshots: Array = []
for peer_id: int in _registry.get_peer_ids():
var avatar: Player = _spawn_service.get_avatar(peer_id)
if avatar == null:
continue
snapshots.append(avatar.make_network_snapshot(peer_id))
receive_movement_snapshots.rpc(snapshots)
var encoded: Array = _encode_movement_snapshot(
avatar.make_network_snapshot(peer_id)
)
if not encoded.is_empty():
snapshots.append(encoded)
# The compact v5 representation keeps a normal eight-player update near
# 1 KiB instead of the roughly 3.7 KiB dictionary representation. Rooms
# configured above the normal cap are divided into the same safe size.
for start_index: int in range(
0,
snapshots.size(),
MOVEMENT_SNAPSHOT_BATCH_SIZE,
):
receive_movement_snapshots.rpc(
snapshots.slice(
start_index,
mini(
start_index + MOVEMENT_SNAPSHOT_BATCH_SIZE,
snapshots.size(),
),
)
)
static func _encode_movement_snapshot(snapshot: Dictionary) -> Array:
var position: Variant = snapshot.get("position")
var snapshot_velocity: Variant = snapshot.get("velocity")
var animation_value: Variant = snapshot.get("animation_state")
if (
typeof(position) != TYPE_ARRAY
or position.size() != 3
or typeof(snapshot_velocity) != TYPE_ARRAY
or snapshot_velocity.size() != 3
or not NetworkPlayerAnimationProtocol.validate_state(animation_value)
):
return []
var animation: Dictionary = animation_value
var action: Dictionary = animation["action"]
return [
int(snapshot.get("peer_id", 0)),
int(snapshot.get("acknowledged_input", 0)),
Vector3(float(position[0]), float(position[1]), float(position[2])),
Vector3(
float(snapshot_velocity[0]),
float(snapshot_velocity[1]),
float(snapshot_velocity[2]),
),
float(snapshot.get("visual_yaw", 0.0)),
str(animation["locomotion_id"]),
bool(animation["grounded"]),
str(action["id"]),
int(action["sequence"]),
float(action["elapsed"]),
bool(snapshot.get("sitting", false)),
bool(snapshot.get("casting", false)),
]
static func _decode_movement_snapshot(value: Variant) -> Dictionary:
if typeof(value) != TYPE_ARRAY:
return {}
var fields: Array = value
if (
fields.size() != MOVEMENT_SNAPSHOT_FIELD_COUNT
or typeof(fields[0]) != TYPE_INT
or typeof(fields[1]) != TYPE_INT
or typeof(fields[2]) != TYPE_VECTOR3
or typeof(fields[3]) != TYPE_VECTOR3
or typeof(fields[4]) not in [TYPE_FLOAT, TYPE_INT]
or typeof(fields[5]) not in [TYPE_STRING, TYPE_STRING_NAME]
or typeof(fields[6]) != TYPE_BOOL
or typeof(fields[7]) not in [TYPE_STRING, TYPE_STRING_NAME]
or typeof(fields[8]) != TYPE_INT
or typeof(fields[9]) not in [TYPE_FLOAT, TYPE_INT]
or typeof(fields[10]) != TYPE_BOOL
or typeof(fields[11]) != TYPE_BOOL
):
return {}
var position: Vector3 = fields[2]
var snapshot_velocity: Vector3 = fields[3]
return {
"peer_id": int(fields[0]),
"acknowledged_input": int(fields[1]),
"position": [position.x, position.y, position.z],
"velocity": [
snapshot_velocity.x,
snapshot_velocity.y,
snapshot_velocity.z,
],
"visual_yaw": float(fields[4]),
"animation_state": NetworkPlayerAnimationProtocol.make_state(
StringName(str(fields[5])),
bool(fields[6]),
StringName(str(fields[7])),
int(fields[8]),
float(fields[9]),
),
"sitting": bool(fields[10]),
"casting": bool(fields[11]),
}
@rpc("authority", "call_remote", "unreliable_ordered", 2)
func receive_movement_snapshots(snapshots: Array) -> void:
func receive_movement_snapshots(encoded_snapshots: Array) -> void:
if state != State.JOINED_CLIENT:
return
var local_peer_id: int = multiplayer.get_unique_id()
for value: Variant in snapshots:
if typeof(value) != TYPE_DICTIONARY:
for value: Variant in encoded_snapshots:
var snapshot: Dictionary = _decode_movement_snapshot(value)
if snapshot.is_empty():
continue
var snapshot: Dictionary = value
if typeof(snapshot.get("peer_id")) != TYPE_INT:
continue
var peer_id: int = snapshot["peer_id"]
@ -1800,7 +1900,11 @@ func receive_movement_snapshots(snapshots: Array) -> void:
if avatar == null:
continue
if peer_id == local_peer_id:
avatar.apply_local_prediction_correction(snapshot)
avatar.apply_local_prediction_correction(
snapshot,
_input_sequence,
INPUT_INTERVAL,
)
else:
avatar.push_network_snapshot(snapshot)