Refine cockpit porthole and indicators

game/presentation/cockpit/cockpit_pressure_bulkhead.gd

@@ -0,0 +1,144 @@
+class_name CockpitPressureBulkhead
+extends Node3D
+
+const CockpitMaterialPalette = preload(
+	"res://game/presentation/cockpit/cockpit_material_palette.gd"
+)
+const CockpitMeshFactory = preload(
+	"res://game/presentation/cockpit/cockpit_mesh_factory.gd"
+)
+
+const PANEL_COUNT := 12
+const ANGULAR_STEPS := 4
+const RADIAL_STEPS := 3
+const INNER_RADIUS := 0.72
+const OUTER_RADIUS := 1.11
+
+var _materials: CockpitMaterialPalette
+var _panel_count := 0
+
+
+func _ready() -> void:
+	_materials = CockpitMaterialPalette.new()
+	_hide_rectangular_whitebox()
+	_build_curved_panels()
+	_build_outer_rib()
+	_build_fasteners()
+
+
+func panel_count() -> int:
+	return _panel_count
+
+
+func rectangular_whitebox_is_hidden() -> bool:
+	for node_name: String in ["LeftBulkhead", "RightBulkhead", "TopBulkhead", "BottomBulkhead"]:
+		var whitebox := get_parent().get_node_or_null(node_name) as MeshInstance3D
+		if whitebox != null and whitebox.visible:
+			return false
+	return true
+
+
+func _hide_rectangular_whitebox() -> void:
+	for node_name: String in ["LeftBulkhead", "RightBulkhead", "TopBulkhead", "BottomBulkhead"]:
+		var whitebox := get_parent().get_node_or_null(node_name) as MeshInstance3D
+		if whitebox != null:
+			whitebox.visible = false
+
+
+func _build_curved_panels() -> void:
+	var panel_angle := TAU / float(PANEL_COUNT)
+	var seam_half_width := deg_to_rad(0.22)
+	for panel_index in PANEL_COUNT:
+		var start_angle := panel_index * panel_angle + seam_half_width
+		var end_angle := (panel_index + 1) * panel_angle - seam_half_width
+		var panel := MeshInstance3D.new()
+		panel.name = "PressurePanel%02d" % (panel_index + 1)
+		panel.mesh = _create_curved_panel_mesh(start_angle, end_angle)
+		panel.material_override = _materials.overhead_steel
+		panel.cast_shadow = GeometryInstance3D.SHADOW_CASTING_SETTING_ON
+		add_child(panel)
+		_panel_count += 1
+
+
+func _create_curved_panel_mesh(start_angle: float, end_angle: float) -> ArrayMesh:
+	var surface := SurfaceTool.new()
+	surface.begin(Mesh.PRIMITIVE_TRIANGLES)
+	for angular_index in ANGULAR_STEPS:
+		var angle_ratio_0 := float(angular_index) / float(ANGULAR_STEPS)
+		var angle_ratio_1 := float(angular_index + 1) / float(ANGULAR_STEPS)
+		var angle_0 := lerpf(start_angle, end_angle, angle_ratio_0)
+		var angle_1 := lerpf(start_angle, end_angle, angle_ratio_1)
+		for radial_index in RADIAL_STEPS:
+			var radial_ratio_0 := float(radial_index) / float(RADIAL_STEPS)
+			var radial_ratio_1 := float(radial_index + 1) / float(RADIAL_STEPS)
+			_add_panel_quad(
+				surface,
+				angle_0,
+				angle_1,
+				angle_ratio_0,
+				angle_ratio_1,
+				radial_ratio_0,
+				radial_ratio_1
+			)
+	surface.generate_normals()
+	return surface.commit()
+
+
+func _add_panel_quad(
+	surface: SurfaceTool,
+	angle_0: float,
+	angle_1: float,
+	angle_ratio_0: float,
+	angle_ratio_1: float,
+	radial_ratio_0: float,
+	radial_ratio_1: float
+) -> void:
+	_add_panel_vertex(surface, angle_0, angle_ratio_0, radial_ratio_0)
+	_add_panel_vertex(surface, angle_1, angle_ratio_1, radial_ratio_0)
+	_add_panel_vertex(surface, angle_0, angle_ratio_0, radial_ratio_1)
+	_add_panel_vertex(surface, angle_0, angle_ratio_0, radial_ratio_1)
+	_add_panel_vertex(surface, angle_1, angle_ratio_1, radial_ratio_0)
+	_add_panel_vertex(surface, angle_1, angle_ratio_1, radial_ratio_1)
+
+
+func _add_panel_vertex(
+	surface: SurfaceTool,
+	angle: float,
+	angle_ratio: float,
+	radial_ratio: float
+) -> void:
+	var radius := lerpf(INNER_RADIUS, OUTER_RADIUS, radial_ratio)
+	var convex_depth := sin(radial_ratio * PI) * 0.075
+	surface.set_uv(Vector2(angle_ratio, radial_ratio))
+	surface.add_vertex(
+		Vector3(cos(angle) * radius, sin(angle) * radius, 0.045 + convex_depth)
+	)
+
+
+func _build_outer_rib() -> void:
+	var rib := MeshInstance3D.new()
+	rib.name = "OuterPressureRib"
+	var torus := TorusMesh.new()
+	torus.inner_radius = 1.055
+	torus.outer_radius = 1.125
+	torus.rings = 64
+	torus.ring_segments = 12
+	rib.mesh = torus
+	rib.material_override = _materials.dark_steel
+	rib.rotation_degrees.x = 90.0
+	rib.position.z = 0.025
+	add_child(rib)
+
+
+func _build_fasteners() -> void:
+	for fastener_index in PANEL_COUNT:
+		var angle := (fastener_index + 0.5) * TAU / float(PANEL_COUNT)
+		CockpitMeshFactory.add_cylinder(
+			"OuterFastener",
+			self,
+			Vector3(cos(angle) * 0.96, sin(angle) * 0.96, 0.105),
+			0.014,
+			0.018,
+			_materials.brass,
+			Vector3(90.0, 0.0, 0.0)
+		)