115 lines
2.7 KiB
GDScript
115 lines
2.7 KiB
GDScript
tool
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var cell_origin_x := 0
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var cell_origin_y := 0
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var _visible : bool
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# This is true when the chunk is meant to be displayed.
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# A chunk can be active and hidden (due to the terrain being hidden).
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var _active : bool
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var _pending_update : bool
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var _mesh_instance : RID
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# Need to keep a reference so that the mesh RID doesn't get freed
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# TODO Use RID directly, no need to keep all those meshes in memory
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var _mesh : Mesh = null
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# TODO p_parent is HTerrain, can't add type hint due to cyclic reference
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func _init(p_parent, p_cell_x: int, p_cell_y: int, p_material: Material):
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assert(p_parent is Spatial)
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assert(typeof(p_cell_x) == TYPE_INT)
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assert(typeof(p_cell_y) == TYPE_INT)
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assert(p_material is Material)
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cell_origin_x = p_cell_x
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cell_origin_y = p_cell_y
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var vs = VisualServer
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_mesh_instance = vs.instance_create()
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if p_material != null:
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vs.instance_geometry_set_material_override(_mesh_instance, p_material.get_rid())
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var world = p_parent.get_world()
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if world != null:
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vs.instance_set_scenario(_mesh_instance, world.get_scenario())
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_visible = true
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# TODO Is this needed?
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vs.instance_set_visible(_mesh_instance, _visible)
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_active = true
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_pending_update = false
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func _notification(p_what: int):
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if p_what == NOTIFICATION_PREDELETE:
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if _mesh_instance != RID():
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VisualServer.free_rid(_mesh_instance)
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_mesh_instance = RID()
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func is_active() -> bool:
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return _active
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func set_active(a):
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_active = a
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func is_pending_update() -> bool:
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return _pending_update
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func set_pending_update(p):
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_pending_update = p
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func enter_world(world):
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assert(_mesh_instance != RID())
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VisualServer.instance_set_scenario(_mesh_instance, world.get_scenario())
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func exit_world():
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assert(_mesh_instance != RID())
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VisualServer.instance_set_scenario(_mesh_instance, RID())
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func parent_transform_changed(parent_transform):
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assert(_mesh_instance != RID())
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var local_transform = Transform(Basis(), Vector3(cell_origin_x, 0, cell_origin_y))
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var world_transform = parent_transform * local_transform
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VisualServer.instance_set_transform(_mesh_instance, world_transform)
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func set_mesh(mesh: Mesh):
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assert(_mesh_instance != RID())
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if mesh == _mesh:
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return
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VisualServer.instance_set_base(_mesh_instance, mesh.get_rid() if mesh != null else RID())
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_mesh = mesh
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func set_material(material: Material):
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assert(_mesh_instance != RID())
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VisualServer.instance_geometry_set_material_override( \
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_mesh_instance, material.get_rid() if material != null else RID())
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func set_visible(visible: bool):
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assert(_mesh_instance != RID())
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VisualServer.instance_set_visible(_mesh_instance, visible)
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_visible = visible
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func is_visible() -> bool:
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return _visible
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func set_aabb(aabb: AABB):
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assert(_mesh_instance != RID())
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VisualServer.instance_set_custom_aabb(_mesh_instance, aabb)
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