forked from BilalY/Rasagar
49 lines
3.2 KiB
Markdown
49 lines
3.2 KiB
Markdown
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# Bake multiple scenes together with Baking Sets
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If you [load multiple scenes simultaneously](https://docs.unity3d.com/Documentation/Manual/MultiSceneEditing.html) in your project, for example if you load multiples scenes at the same time in an open world game, you can add the scenes to a single Baking Set so you can bake the lighting for all the scenes together.
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Refer to [Understanding probe volumes](probevolumes-concept.md#baking-sets) for more information about Baking Sets.
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## Create a Baking Set
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To place multiple scenes in a single Baking Set and bake them together, follow these steps:
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1. From the main menu, select **Window** > **Rendering** > **Lighting**.
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2. Set **Baking Mode** to **Baking Set**.
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2. In **Current Baking Set**, select an existing Baking Set asset, or select **New** to create a new Baking Set.
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4. Use the **Add** (**+**) button to add scenes.
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You can only add each scene to a single Baking Set.
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To remove a scene from a Baking Set, select the scene in the **Scenes in Baking Set** list, then select the **Remove** (**-**) button.
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## Bake a Baking Set
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Select **Generate Lighting** to bake the lighting in all the scenes in a baking set.
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The High Definition Render Pipeline (HDRP) uses the settings from the Baking Set, and serializes the results in the `Assets` folder, in a subfolder with the same name as the active scene. You can move or rename the folder.
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For faster iteration times, disable **Bake** next to a scene name. This stops Unity baking lighting data for this scene. This might result in incomplete data, but it can help reduce baking time when you're iterating on parts of a large world.
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### Load a scene
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Unity doesn't automatically load the scenes in a Baking Set when you select the scene in the **Scenes** list. To load a scene, select **Load Baking Set**.
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When you load multiple scenes together, the lighting might be too bright because HDRP combines light from all the scenes. Refer to [Set up multiple Scenes](https://docs.unity3d.com/Manual/setupmultiplescenes.html) for more information on loading and unloading Scenes.
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You can load multiple scenes together only if they belong to the same Baking Set.
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## Working with multiple Baking Sets
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APV can load only a single baking set at a time. When Unity loads a scene, APV loads the associated baking set if it can find one.
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If you want to control which baking set is loaded, regardless of the active scene, you can use [SetActiveBakingSet](https://docs.unity3d.com/Packages/com.unity.render-pipelines.core@17.0/api/UnityEngine.Rendering.ProbeReferenceVolume.html#UnityEngine_Rendering_ProbeReferenceVolume_SetActiveBakingSet_UnityEngine_Rendering_ProbeVolumeBakingSet_). You need to provide either the desired baking set, or a scene that belongs to the baking set.
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Alternatively, you can pass `null` to this function to unload APV.
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Note that every scene that is part of a baked Baking Set contains a hidden GameObject with a [ProbeVolumePerSceneData](https://docs.unity3d.com/Packages/com.unity.render-pipelines.core@17.0/api/UnityEngine.Rendering.ProbeVolumePerSceneData.html) MonoBehaviour. You can use the `ProbeVolumePerSceneData` to find the associated Baking Set.
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## Additional resources
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- [Bake different lighting setups with Lighting Scenarios](probevolumes-bakedifferentlightingsetups.md)
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