Add host-authoritative multiplayer fishing

fishing/remote_fishing_presentation.gd

@@ -0,0 +1,91 @@
+class_name RemoteFishingPresentation
+extends Node3D
+
+var _owner: Player
+var _bobber: MeshInstance3D
+var _line: MeshInstance3D
+var _line_mesh := ImmediateMesh.new()
+var _target: Vector3
+var _active: bool = false
+
+
+func setup(owner: Player) -> void:
+	_owner = owner
+	_bobber = MeshInstance3D.new()
+	var bobber_mesh := SphereMesh.new()
+	bobber_mesh.radius = 0.12
+	bobber_mesh.height = 0.24
+	_bobber.mesh = bobber_mesh
+	var bobber_material := StandardMaterial3D.new()
+	bobber_material.albedo_color = Color(0.92, 0.12, 0.08, 1.0)
+	bobber_material.roughness = 0.45
+	_bobber.material_override = bobber_material
+	add_child(_bobber)
+	_line = MeshInstance3D.new()
+	_line.mesh = _line_mesh
+	var line_material := StandardMaterial3D.new()
+	line_material.shading_mode = BaseMaterial3D.SHADING_MODE_UNSHADED
+	line_material.albedo_color = Color(0.9, 0.9, 0.82, 1.0)
+	_line.material_override = line_material
+	add_child(_line)
+	cleanup()
+
+
+func show_cast(target: Vector3) -> void:
+	if _owner == null or not target.is_finite():
+		return
+	_active = true
+	_target = target
+	_bobber.global_position = target
+	_bobber.visible = true
+	_line.visible = true
+	_owner.set_active_item_is_rod(true)
+	_redraw_line()
+
+
+func update_bobber(position: Vector3) -> void:
+	if not _active or not position.is_finite():
+		return
+	_target = position
+	_bobber.global_position = position
+	_redraw_line()
+
+
+func show_bite() -> void:
+	if not _active:
+		return
+	var tween: Tween = create_tween()
+	tween.tween_property(_bobber, "scale", Vector3.ONE * 0.7, 0.08)
+	tween.tween_property(_bobber, "scale", Vector3.ONE, 0.12)
+
+
+func cleanup() -> void:
+	_active = false
+	if _bobber != null:
+		_bobber.visible = false
+		_bobber.scale = Vector3.ONE
+	if _line != null:
+		_line.visible = false
+	_line_mesh.clear_surfaces()
+
+
+func _process(_delta: float) -> void:
+	if _active:
+		_redraw_line()
+
+
+func _redraw_line() -> void:
+	if _owner == null or not is_instance_valid(_owner):
+		cleanup()
+		return
+	var tip: Marker3D = _owner.get_fishing_rod_tip()
+	if tip == null:
+		return
+	_line_mesh.clear_surfaces()
+	_line_mesh.surface_begin(Mesh.PRIMITIVE_LINE_STRIP)
+	_line_mesh.surface_add_vertex(to_local(tip.global_position))
+	var midpoint: Vector3 = tip.global_position.lerp(_target, 0.5)
+	midpoint.y -= 0.12
+	_line_mesh.surface_add_vertex(to_local(midpoint))
+	_line_mesh.surface_add_vertex(to_local(_target))
+	_line_mesh.surface_end()