58 lines
1.7 KiB
GDScript3
58 lines
1.7 KiB
GDScript3
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@tool
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class_name XRToolsHighlightMaterial
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extends Node
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## Mesh to highlight
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@export var highlight_mesh_instance : NodePath
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## Material to set
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@export var highlight_material : Resource
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var _original_materials = Array()
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var _highlight_mesh_instance: MeshInstance3D
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# Add support for is_xr_class on XRTools classes
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func is_xr_class(name : String) -> bool:
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return name == "XRToolsHighlightMaterial"
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# Called when the node enters the scene tree for the first time.
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func _ready():
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# Get the mesh to highlight
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_highlight_mesh_instance = get_node(highlight_mesh_instance)
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# Save the materials
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if _highlight_mesh_instance:
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# if we can find a node remember which materials are currently set on each surface
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for i in range(0, _highlight_mesh_instance.get_surface_override_material_count()):
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_original_materials.push_back(_highlight_mesh_instance.get_surface_override_material(i))
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# Hook the highlight update
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get_parent().connect("highlight_updated", _on_highlight_updated)
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# Called when the pickable highlight changes
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func _on_highlight_updated(_pickable, enable: bool) -> void:
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# Set the materials
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if _highlight_mesh_instance:
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for i in range(0, _highlight_mesh_instance.get_surface_override_material_count()):
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if enable:
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_highlight_mesh_instance.set_surface_override_material(i, highlight_material)
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else:
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_highlight_mesh_instance.set_surface_override_material(i, _original_materials[i])
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# This method verifies the node
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func _get_configuration_warnings() -> PackedStringArray:
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var warnings := PackedStringArray()
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# Verify parent supports highlighting
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var parent := get_parent()
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if not parent or not parent.has_signal("highlight_updated"):
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warnings.append("Parent does not support highlighting")
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return warnings
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