fix terrain collision and water recovery

tests/fishing_surface_validation.gd

@@ -156,6 +156,7 @@ func _validate_portable_water_body() -> void:
 		PlayerWaterTrigger.EntryHeightReference.PLAYER_ORIGIN,
 	)
 	water_body.set("recovery_entry_depth_threshold", 0.1)
+	water_body.set("recovery_entry_confirmation_seconds", 0.2)
 	water_body.set("fish_pool", PondPool)
 	root.add_child(water_body)
 	await process_frame
@@ -183,6 +184,34 @@ func _validate_portable_water_body() -> void:
 		== PlayerWaterTrigger.EntryHeightReference.PLAYER_ORIGIN
 	)
 	assert(is_equal_approx(recovery_region.entry_depth_threshold, 0.1))
+	assert(is_equal_approx(recovery_region.entry_confirmation_seconds, 0.2))
+
+	var recovery_player := PlayerScene.instantiate() as Player
+	assert(recovery_player != null)
+	root.add_child(recovery_player)
+	recovery_player.set_process(false)
+	recovery_player.set_physics_process(false)
+	var recovery_requests: Array[float] = []
+	recovery_region.recovery_requested.connect(
+		func(_player: Player, requested_surface_height: float) -> void:
+			recovery_requests.append(requested_surface_height)
+	)
+	recovery_region.call("_on_body_entered", recovery_player)
+	recovery_player.global_position.y = 6.8
+	recovery_region.call("_physics_process", 0.1)
+	assert(recovery_requests.is_empty())
+	# Breaking the submersion resets confirmation rather than carrying a stale
+	# partial fall into a later jump.
+	recovery_player.global_position.y = 7.0
+	recovery_region.call("_physics_process", 0.1)
+	recovery_player.global_position.y = 6.8
+	recovery_region.call("_physics_process", 0.11)
+	assert(recovery_requests.is_empty())
+	recovery_region.call("_physics_process", 0.1)
+	assert(recovery_requests == [7.0])
+	recovery_region.call("_on_body_exited", recovery_player)
+	recovery_player.queue_free()
+	await process_frame
 
 	water_body.queue_free()
 	await process_frame

tests/generated_world_runtime_validation.gd

@@ -490,6 +490,10 @@ func _validate_generated_region(
 			== PlayerWaterTrigger.EntryHeightReference.PLAYER_ORIGIN
 		)
 		assert(is_equal_approx(fresh_recovery.entry_depth_threshold, 0.1))
+		assert(is_equal_approx(
+			fresh_recovery.entry_confirmation_seconds,
+			0.2,
+		))
 		var coordinate_tokens := child.name.trim_prefix("FreshWater_").split("_")
 		assert(coordinate_tokens.size() == 2)
 		var coordinate := Vector2i(
@@ -1043,6 +1047,25 @@ func _validate_prop_catalog(region: GeneratedWorldRegion) -> void:
 	assert(palm.maximum_cluster_radius > palm.minimum_cluster_radius)
 	assert(palm.prefer_ocean_facing)
 	assert(not palm.local_overhang_direction.is_zero_approx())
+	var aligned_tree_collisions: Dictionary[StringName, Vector2] = {
+		&"prop_tree_1": Vector2(0.08, 0.01),
+		&"prop_tree_2": Vector2(0.1, 0.075),
+		&"prop_tree_3": Vector2(-0.1, 0.18),
+		&"prop_tree_large": Vector2(0.084, 0.504),
+		&"prop_pine": Vector2(-0.044, 0.083),
+		&"prop_pine_large": Vector2(-0.04, 0.075),
+		&"prop_palm": Vector2(0.15, -0.1),
+	}
+	for tree_id: StringName in aligned_tree_collisions:
+		var aligned_tree := catalog.definition_for_id(tree_id)
+		assert(aligned_tree != null and aligned_tree.has_cylinder_collision())
+		var collision_center := Vector2(
+			aligned_tree.collision_offset.x,
+			aligned_tree.collision_offset.z,
+		)
+		assert(collision_center.is_equal_approx(
+			aligned_tree_collisions[tree_id]
+		))
 	var forest := region.get_biome_catalog().definition_for_id(&"biome_forest")
 	var forest_rule := forest.prop_rule_for_group(&"grass_tree")
 	var large_tree := catalog.definition_for_id(&"prop_tree_large")
@@ -1139,6 +1162,20 @@ func _validate_decoration_transform(
 			or collision.shape is BoxShape3D
 		)
 		assert(collision.global_basis.get_scale().is_equal_approx(Vector3.ONE))
+		if collision.shape is CylinderShape3D:
+			var cylinder := collision.shape as CylinderShape3D
+			assert(is_equal_approx(
+				cylinder.radius,
+				definition.collision_radius * visual_scale,
+			))
+			assert(is_equal_approx(
+				cylinder.height,
+				definition.collision_height * visual_scale,
+			))
+			assert(collision.position.is_equal_approx(
+				definition.collision_offset * visual_scale
+				+ Vector3.UP * cylinder.height * 0.5
+			))
 	else:
 		assert(collision == null)
 	var query := PhysicsRayQueryParameters3D.create(

world/generation/generated_world_region.gd

@@ -453,6 +453,7 @@ func _configure_fresh_water(records: Array[Dictionary]) -> void:
 			PlayerWaterTrigger.EntryHeightReference.PLAYER_ORIGIN
 		)
 		body.recovery_entry_depth_threshold = 0.1
+		body.recovery_entry_confirmation_seconds = 0.2
 		body.fish_pool = _fresh_water_pool(tags)
 		body.location_tags = _fresh_water_location_tags(tags)
 		body.selection_priority = 10

world/generation/props/definitions/prop_palm.tres

@@ -11,7 +11,7 @@ packed_scene = ExtResource("2_scene")
 procedural_group = &"sand_tree"
 required_chunk_tags = PackedStringArray("sand")
 minimum_spawn_chunk_distance = 2
-clearance_radius = 0.65
+clearance_radius = 0.75
 minimum_visual_scale = 0.5
 maximum_visual_scale = 1.0
 minimum_cluster_size = 2
@@ -21,6 +21,7 @@ maximum_cluster_radius = 3.0
 prefer_ocean_facing = true
 local_overhang_direction = Vector2(-0.883, 0.469)
 ocean_facing_spread_degrees = 55.0
-collision_radius = 0.4
+collision_radius = 0.7
 collision_height = 6.0
+collision_offset = Vector3(0.15, 0, -0.1)
 gatherable_surface_material_names = PackedStringArray("wood_light")

world/generation/props/definitions/prop_pine.tres

@@ -15,5 +15,6 @@ minimum_spawn_chunk_distance = 2
 clearance_radius = 1.55
 minimum_visual_scale = 0.65
 maximum_visual_scale = 1.2
-collision_radius = 0.5
+collision_radius = 0.85
 collision_height = 4.0
+collision_offset = Vector3(-0.044, 0, 0.083)

world/generation/props/definitions/prop_pine_large.tres

@@ -15,5 +15,6 @@ minimum_spawn_chunk_distance = 2
 clearance_radius = 1.65
 minimum_visual_scale = 0.75
 maximum_visual_scale = 1.2
-collision_radius = 0.65
+collision_radius = 0.75
 collision_height = 9.5
+collision_offset = Vector3(-0.04, 0, 0.075)

world/generation/props/definitions/prop_tree_1.tres

@@ -27,4 +27,5 @@ secondary_variant_material_slot_names = PackedStringArray("wood", "wood_light",
 secondary_material_variants = Array[Material]([ExtResource("6_wood_light"), ExtResource("7_wood_mid"), ExtResource("8_wood_dark")])
 collision_radius = 0.4
 collision_height = 3.2
+collision_offset = Vector3(0.08, 0, 0.01)
 gatherable_surface_material_names = PackedStringArray("wood", "wood_light", "wood_mid", "wood_dark")

world/generation/props/definitions/prop_tree_2.tres

@@ -25,6 +25,7 @@ variant_material_slot_names = PackedStringArray("leaf_light", "leaf", "leaf_dark
 material_variants = Array[Material]([ExtResource("3_leaf_light"), ExtResource("4_leaf_mid"), ExtResource("5_leaf_dark")])
 secondary_variant_material_slot_names = PackedStringArray("wood", "wood_light", "wood_mid")
 secondary_material_variants = Array[Material]([ExtResource("6_wood_light"), ExtResource("7_wood_mid"), ExtResource("8_wood_dark")])
-collision_radius = 0.5
+collision_radius = 0.55
 collision_height = 3.8
+collision_offset = Vector3(0.1, 0, 0.075)
 gatherable_surface_material_names = PackedStringArray("wood", "wood_light", "wood_mid", "wood_dark")

world/generation/props/definitions/prop_tree_3.tres

@@ -27,4 +27,5 @@ secondary_variant_material_slot_names = PackedStringArray("wood", "wood_light",
 secondary_material_variants = Array[Material]([ExtResource("6_wood_light"), ExtResource("7_wood_mid"), ExtResource("8_wood_dark")])
 collision_radius = 0.55
 collision_height = 4.2
+collision_offset = Vector3(-0.1, 0, 0.18)
 gatherable_surface_material_names = PackedStringArray("wood", "wood_light", "wood_mid", "wood_dark")

world/generation/props/definitions/prop_tree_large.tres

@@ -25,6 +25,7 @@ variant_material_slot_names = PackedStringArray("leaf_light", "leaf", "leaf_dark
 material_variants = Array[Material]([ExtResource("3_leaf_light"), ExtResource("4_leaf_mid"), ExtResource("5_leaf_dark")])
 secondary_variant_material_slot_names = PackedStringArray("wood", "wood_light", "wood_mid")
 secondary_material_variants = Array[Material]([ExtResource("6_wood_light"), ExtResource("7_wood_mid"), ExtResource("8_wood_dark")])
-collision_radius = 0.85
+collision_radius = 1.05
 collision_height = 7.5
+collision_offset = Vector3(0.084, 0, 0.504)
 gatherable_surface_material_names = PackedStringArray("wood", "wood_light", "wood_mid", "wood_dark")

world/player_water_trigger.gd

@@ -29,9 +29,14 @@ enum EntryHeightReference {
 )
 ## Recovery begins when the selected reference reaches this depth.
 @export_range(0.0, 2.0, 0.05) var entry_depth_threshold: float = 0.35
+## The player must remain below the threshold for this long before recovery.
+## A short freshwater confirmation keeps jumps across stepping stones from
+## being mistaken for a completed fall into the water.
+@export_range(0.0, 1.0, 0.05) var entry_confirmation_seconds: float = 0.0
 
 var _tracked_players: Array[Player] = []
 var _triggered_players: Dictionary[StringName, bool] = {}
+var _submerged_seconds: Dictionary[StringName, float] = {}
 
 
 func _ready() -> void:
@@ -46,7 +51,7 @@ func _ready() -> void:
 	set_physics_process(false)
 
 
-func _physics_process(_delta: float) -> void:
+func _physics_process(delta: float) -> void:
 	var active_surface_height: float = get_surface_height()
 	for player: Player in _tracked_players.duplicate():
 		if not is_instance_valid(player):
@@ -58,7 +63,15 @@ func _physics_process(_delta: float) -> void:
 		var entry_height := player.get_body_center_position().y
 		if entry_height_reference == EntryHeightReference.PLAYER_ORIGIN:
 			entry_height = player.global_position.y
-		if entry_height <= active_surface_height - entry_depth_threshold:
+		if entry_height > active_surface_height - entry_depth_threshold:
+			_submerged_seconds[player_key] = 0.0
+			continue
+		var submerged_seconds: float = (
+			_submerged_seconds.get(player_key, 0.0) + maxf(delta, 0.0)
+		)
+		_submerged_seconds[player_key] = submerged_seconds
+		if submerged_seconds < entry_confirmation_seconds:
+			continue
 		_triggered_players[player_key] = true
 		recovery_requested.emit(player, active_surface_height)
 	if _tracked_players.is_empty():
@@ -86,6 +99,7 @@ func _on_body_entered(body: Node3D) -> void:
 	if player == null or player in _tracked_players:
 		return
 	_tracked_players.append(player)
+	_submerged_seconds[StringName(str(player.get_instance_id()))] = 0.0
 	set_physics_process(true)
 
 
@@ -94,6 +108,8 @@ func _on_body_exited(body: Node3D) -> void:
 	if player == null:
 		return
 	_tracked_players.erase(player)
-	_triggered_players.erase(StringName(str(player.get_instance_id())))
+	var player_key := StringName(str(player.get_instance_id()))
+	_triggered_players.erase(player_key)
+	_submerged_seconds.erase(player_key)
 	if _tracked_players.is_empty():
 		set_physics_process(false)

world/regions/starter_island_region.tscn

@@ -163,6 +163,7 @@ location_tags = Array[StringName]([&"starter_pond", &"pond"])
 selection_priority = 1
 recovery_entry_height_reference = 1
 recovery_entry_depth_threshold = 0.1
+recovery_entry_confirmation_seconds = 0.2
 
 [node name="VisualWater" type="MeshInstance3D" parent="WaterBodies/Pond" unique_id=1034265960]
 material_override = ExtResource("19_fresh_water")

world/water_body_authoring.gd

@@ -80,6 +80,11 @@ var recovery_entry_depth_threshold: float = 0.35:
 	set(value):
 		recovery_entry_depth_threshold = clampf(value, 0.0, 2.0)
 		_sync_owned_nodes()
+@export_range(0.0, 1.0, 0.05)
+var recovery_entry_confirmation_seconds: float = 0.0:
+	set(value):
+		recovery_entry_confirmation_seconds = clampf(value, 0.0, 1.0)
+		_sync_owned_nodes()
 @export_range(0.1, 20.0, 0.1, "or_greater", "suffix:m")
 var recovery_depth: float = 4.8:
 	set(value):
@@ -173,6 +178,9 @@ func _sync_owned_nodes() -> void:
 			recovery_region.entry_depth_threshold = (
 				recovery_entry_depth_threshold
 			)
+			recovery_region.entry_confirmation_seconds = (
+				recovery_entry_confirmation_seconds
+			)
 			if uses_polygon and _sync_polygon_collision_shapes(
 				recovery_region,
 				recovery_shape_node,