diff options
Diffstat (limited to 'doc/classes/PackedScene.xml')
| -rw-r--r-- | doc/classes/PackedScene.xml | 83 |
1 files changed, 56 insertions, 27 deletions
diff --git a/doc/classes/PackedScene.xml b/doc/classes/PackedScene.xml index be40ab05de..1374496b52 100644 --- a/doc/classes/PackedScene.xml +++ b/doc/classes/PackedScene.xml @@ -5,17 +5,26 @@ </brief_description> <description> A simplified interface to a scene file. Provides access to operations and checks that can be performed on the scene resource itself. - Can be used to save a node to a file. When saving, the node as well as all the node it owns get saved (see [code]owner[/code] property on [Node]). + Can be used to save a node to a file. When saving, the node as well as all the nodes it owns get saved (see [code]owner[/code] property on [Node]). [b]Note:[/b] The node doesn't need to own itself. [b]Example of loading a saved scene:[/b] - [codeblock] - # Use `load()` instead of `preload()` if the path isn't known at compile-time. - var scene = preload("res://scene.tscn").instance() + [codeblocks] + [gdscript] + # Use load() instead of preload() if the path isn't known at compile-time. + var scene = preload("res://scene.tscn").instantiate() # Add the node as a child of the node the script is attached to. add_child(scene) - [/codeblock] + [/gdscript] + [csharp] + // C# has no preload, so you have to always use ResourceLoader.Load<PackedScene>(). + var scene = ResourceLoader.Load<PackedScene>("res://scene.tscn").Instantiate(); + // Add the node as a child of the node the script is attached to. + AddChild(scene); + [/csharp] + [/codeblocks] [b]Example of saving a node with different owners:[/b] The following example creates 3 objects: [code]Node2D[/code] ([code]node[/code]), [code]RigidBody2D[/code] ([code]rigid[/code]) and [code]CollisionObject2D[/code] ([code]collision[/code]). [code]collision[/code] is a child of [code]rigid[/code] which is a child of [code]node[/code]. Only [code]rigid[/code] is owned by [code]node[/code] and [code]pack[/code] will therefore only save those two nodes, but not [code]collision[/code]. - [codeblock] + [codeblocks] + [gdscript] # Create the objects. var node = Node2D.new() var rigid = RigidBody2D.new() @@ -27,69 +36,89 @@ # Change owner of `rigid`, but not of `collision`. rigid.owner = node - var scene = PackedScene.new() + # Only `node` and `rigid` are now packed. var result = scene.pack(node) if result == OK: - var error = ResourceSaver.save("res://path/name.scn", scene) # Or "user://..." + var error = ResourceSaver.save("res://path/name.tscn", scene) # Or "user://..." if error != OK: push_error("An error occurred while saving the scene to disk.") - [/codeblock] + [/gdscript] + [csharp] + // Create the objects. + var node = new Node2D(); + var rigid = new RigidBody2D(); + var collision = new CollisionShape2D(); + + // Create the object hierarchy. + rigid.AddChild(collision); + node.AddChild(rigid); + + // Change owner of `rigid`, but not of `collision`. + rigid.Owner = node; + var scene = new PackedScene(); + + // Only `node` and `rigid` are now packed. + Error result = scene.Pack(node); + if (result == Error.Ok) + { + Error error = ResourceSaver.Save("res://path/name.tscn", scene); // Or "user://..." + if (error != Error.Ok) + { + GD.PushError("An error occurred while saving the scene to disk."); + } + } + [/csharp] + [/codeblocks] </description> <tutorials> <link title="2D Role Playing Game Demo">https://godotengine.org/asset-library/asset/520</link> </tutorials> <methods> - <method name="can_instance" qualifiers="const"> - <return type="bool"> - </return> + <method name="can_instantiate" qualifiers="const"> + <return type="bool" /> <description> Returns [code]true[/code] if the scene file has nodes. </description> </method> <method name="get_state"> - <return type="SceneState"> - </return> + <return type="SceneState" /> <description> Returns the [code]SceneState[/code] representing the scene file contents. </description> </method> - <method name="instance" qualifiers="const"> - <return type="Node"> - </return> - <argument index="0" name="edit_state" type="int" enum="PackedScene.GenEditState" default="0"> - </argument> + <method name="instantiate" qualifiers="const"> + <return type="Node" /> + <argument index="0" name="edit_state" type="int" enum="PackedScene.GenEditState" default="0" /> <description> Instantiates the scene's node hierarchy. Triggers child scene instantiation(s). Triggers a [constant Node.NOTIFICATION_INSTANCED] notification on the root node. </description> </method> <method name="pack"> - <return type="int" enum="Error"> - </return> - <argument index="0" name="path" type="Node"> - </argument> + <return type="int" enum="Error" /> + <argument index="0" name="path" type="Node" /> <description> Pack will ignore any sub-nodes not owned by given node. See [member Node.owner]. </description> </method> </methods> <members> - <member name="_bundled" type="Dictionary" setter="_set_bundled_scene" getter="_get_bundled_scene" default="{"conn_count": 0,"conns": PackedInt32Array( ),"editable_instances": [ ],"names": PackedStringArray( ),"node_count": 0,"node_paths": [ ],"nodes": PackedInt32Array( ),"variants": [ ],"version": 2}"> + <member name="_bundled" type="Dictionary" setter="_set_bundled_scene" getter="_get_bundled_scene" default="{"conn_count": 0,"conns": PackedInt32Array(),"editable_instances": [],"names": PackedStringArray(),"node_count": 0,"node_paths": [],"nodes": PackedInt32Array(),"variants": [],"version": 2}"> A dictionary representation of the scene contents. Available keys include "rnames" and "variants" for resources, "node_count", "nodes", "node_paths" for nodes, "editable_instances" for base scene children overrides, "conn_count" and "conns" for signal connections, and "version" for the format style of the PackedScene. </member> </members> <constants> <constant name="GEN_EDIT_STATE_DISABLED" value="0" enum="GenEditState"> - If passed to [method instance], blocks edits to the scene state. + If passed to [method instantiate], blocks edits to the scene state. </constant> <constant name="GEN_EDIT_STATE_INSTANCE" value="1" enum="GenEditState"> - If passed to [method instance], provides local scene resources to the local scene. + If passed to [method instantiate], provides local scene resources to the local scene. [b]Note:[/b] Only available in editor builds. </constant> <constant name="GEN_EDIT_STATE_MAIN" value="2" enum="GenEditState"> - If passed to [method instance], provides local scene resources to the local scene. Only the main scene should receive the main edit state. + If passed to [method instantiate], provides local scene resources to the local scene. Only the main scene should receive the main edit state. [b]Note:[/b] Only available in editor builds. </constant> </constants> |