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Update Rapier physics drivers #552

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Update Rapier physics drivers #552

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1a221a2
Update Rapier physics drivers
Jan 18, 2026
e719c9d
Update rapier_driver_3d.gd.off
Andicraft Jan 25, 2026
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30 changes: 25 additions & 5 deletions addons/netfox.extras/physics/rapier_driver_2d.gd.off
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Original file line number Diff line number Diff line change
@@ -1,18 +1,38 @@

extends PhysicsDriver

class_name RapierDriver2D

var _state: StateManager2D

var _stored_states: int = 0


func _init_physics_space() -> void:
physics_space = get_viewport().world_2d.space
PhysicsServer2D.space_set_active(physics_space, false)

_state = StateManager2D.new()
_state.root_node = self
_state.set_max_cache_length(ProjectSettings.get_setting("netfox/rollback/history_limit", 64))
_state.set_rolling_cache(true)
add_child(_state)


func _physics_step(delta) -> void:
RapierPhysicsServer2D.space_step(physics_space, delta)
RapierPhysicsServer2D.space_flush_queries(physics_space)



func _snapshot_space(tick: int) -> void:
snapshots[tick] = RapierPhysicsServer2D.export_binary(physics_space)
_state.cache_state(physics_space, tick)


func _rollback_space(tick: int) -> void:
# With rolling cache, tick states are ordered by age with the newest at 0
var offset = NetworkTime.tick - tick
if (offset >= _stored_states):
return

func _rollback_space(tick) -> void:
if snapshots.has(tick):
RapierPhysicsServer2D.import_binary(physics_space, snapshots[tick])
_stored_states = min(_stored_states + 1, _state.max_cache_length)
_state.load_cached_state(physics_space, offset)
31 changes: 25 additions & 6 deletions addons/netfox.extras/physics/rapier_driver_3d.gd.off
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Original file line number Diff line number Diff line change
Expand Up @@ -2,17 +2,36 @@ extends PhysicsDriver

class_name RapierDriver3D

var _state: StateManager3D

var _stored_states: int = 0


func _init_physics_space() -> void:
physics_space = get_viewport().world_3d.space
physics_space = get_viewport().world_2d.space
PhysicsServer3D.space_set_active(physics_space, false)

_state = StateManager3D.new()
_state.root_node = self
_state.set_max_cache_length(ProjectSettings.get_setting("netfox/rollback/history_limit", 64))
_state.set_rolling_cache(true)
add_child(_state)


func _physics_step(delta) -> void:
RapierPhysicsServer3D.space_step(physics_space, delta)
RapierPhysicsServer3D.space_flush_queries(physics_space)



func _snapshot_space(tick: int) -> void:
snapshots[tick] = RapierPhysicsServer3D.export_binary(physics_space)
_state.cache_state(physics_space, tick)


func _rollback_space(tick: int) -> void:
# With rolling cache, tick states are ordered by age with the newest at 0
var offset = NetworkTime.tick - tick
if (offset >= _stored_states):
return

func _rollback_space(tick) -> void:
if snapshots.has(tick):
RapierPhysicsServer3D.import_binary(physics_space, snapshots[tick])
_stored_states = min(_stored_states + 1, _state.max_cache_length)
_state.load_cached_state(physics_space, offset)