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65 lines
3.1 KiB
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65 lines
3.1 KiB
Markdown
# Add a State Unit to a Script Graph
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Add a State Unit to a Script Graph to trigger a change of state. A state is any set of behaviors that you want a GameObject to perform. For more information on state in Visual Scripting, see [Graphs](vs-graph-types.md).
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You can add a new State Graph to a State Unit node, or use an existing State Graph from the project. For more information on the State Unit node, see [State Unit node](vs-nesting-state-unit-node.md).
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## Add a new State Graph as a State Unit node
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To add a new blank State Graph as a State Unit node to a Script Graph:
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<ol>
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<li><p>[!include[with-graph-open-ff](./snippets/vs-with-graph-open-ff.md)]</p></li>
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<li><p>Go to <strong>Nesting</strong>.</p></li>
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<li><p>Select <strong>State Unit</strong> to add a State Unit node to the graph.</p></li>
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<li><p>Open the <a href="vs-interface-overview.md#the-graph-inspector">Graph Inspector</a>.</p></li>
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<li><p>In the Graph Inspector, choose the source for the State Unit:</p>
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<ul>
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<li><p><strong>Embed</strong>: The State Graph only exists on the State Unit node. You can only change the State Graph from the node in its parent graph.</p></li>
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<li><p><strong>Graph</strong>: The State Graph exists in a separate file. You can change the State Graph outside of its parent graph and reuse the graph in other areas of an application.</p></li>
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</ul>
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</li>
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<li><p>If you chose <strong>Graph</strong>:</p>
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<ol type="a">
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<li><p>In the Graph Inspector, select <strong>New</strong>.</p></li>
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<li><p>Enter a name for the graph file.</p></li>
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<li><p>Choose where you want to save the graph file in the project.</p></li>
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<li><p>Select <strong>Save</strong>.</p></li>
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</ol>
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</li>
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</ol>
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## Add an existing State Graph as a State Unit node
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To add an existing State Graph file as a State Unit node in a Script Graph:
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1. [!include[with-graph-open-ff](./snippets/vs-with-graph-open-ff.md)]
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2. Go to **Nesting**.
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1. Select **State Unit** to add a State Unit node to the graph.
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3. Open the [Graph Inspector](vs-interface-overview.md#the-graph-inspector).
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1. In the Graph Inspector, set the **Source** to **Graph**.
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4. Do one of the following:
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- In the **Graph** field, select the object picker (circle icon) and choose a compatible State Graph from the project.
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- Click and drag a State Graph file from the Project window and release on the **Graph** field.
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> [!TIP]
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> For a faster way to add a State Graph as a State Unit node:
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> - Click and drag a State Graph asset from the Project window into the Graph Editor to automatically create a State Unit node.
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> - Right-click to open the fuzzy finder. Go to **Graphs** and select a graph file.
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## Next steps
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Select **Edit Graph** in the Graph Inspector to edit the graph. For more information on how to create a State Graph, see [Develop logic transitions with State Graphs](vs-state-graphs-intro.md).
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