diff --git a/doc/classes/BakedLightmap.xml b/doc/classes/BakedLightmap.xml
index c206b517ef6..d1605334e27 100644
--- a/doc/classes/BakedLightmap.xml
+++ b/doc/classes/BakedLightmap.xml
@@ -16,7 +16,7 @@
- Bakes the lightmap, scanning from the given [code]from_node[/code] root and saves the resulting [BakedLightmapData] in [code]data_save_path[/code]. If no save path is provided it will try to match the path from the current [member light_data].
+ Bakes the lightmap, scanning from the given [code]from_node[/code] root and saves the resulting [BakedLightmapData] in [code]data_save_path[/code]. If no root node is provided, parent of this node will be used as root instead. If no save path is provided it will try to match the path from the current [member light_data].
@@ -128,6 +128,10 @@
Returns if user cancels baking.
+ Returns if lightmapper can't be created. Unless you are using a custom lightmapper, please report this as bug.
+
+
+ There is no root node to start baking from. Either provide [code]from_node[/code] argument or attach this node to a parent that should be used as root.
No environment is used during baking.
diff --git a/scene/3d/baked_lightmap.cpp b/scene/3d/baked_lightmap.cpp
index b40385b0f90..3aa94ba5401 100644
--- a/scene/3d/baked_lightmap.cpp
+++ b/scene/3d/baked_lightmap.cpp
@@ -572,6 +572,10 @@ bool BakedLightmap::_lightmap_bake_step_function(float p_completion, const Strin
}
BakedLightmap::BakeError BakedLightmap::bake(Node *p_from_node, String p_data_save_path) {
+ if (!p_from_node && !get_parent()) {
+ return BAKE_ERROR_NO_ROOT;
+ }
+
bool no_save_path = false;
if (p_data_save_path == "" && (get_light_data().is_null() || !get_light_data()->get_path().is_resource_file())) {
no_save_path = true;
@@ -1595,6 +1599,7 @@ void BakedLightmap::_bind_methods() {
BIND_ENUM_CONSTANT(BAKE_ERROR_INVALID_MESH);
BIND_ENUM_CONSTANT(BAKE_ERROR_USER_ABORTED);
BIND_ENUM_CONSTANT(BAKE_ERROR_NO_LIGHTMAPPER);
+ BIND_ENUM_CONSTANT(BAKE_ERROR_NO_ROOT);
BIND_ENUM_CONSTANT(ENVIRONMENT_MODE_DISABLED);
BIND_ENUM_CONSTANT(ENVIRONMENT_MODE_SCENE);
diff --git a/scene/3d/baked_lightmap.h b/scene/3d/baked_lightmap.h
index 54a85dc8eee..8ef28267b89 100644
--- a/scene/3d/baked_lightmap.h
+++ b/scene/3d/baked_lightmap.h
@@ -120,8 +120,8 @@ public:
BAKE_ERROR_LIGHTMAP_SIZE,
BAKE_ERROR_INVALID_MESH,
BAKE_ERROR_USER_ABORTED,
- BAKE_ERROR_NO_LIGHTMAPPER
-
+ BAKE_ERROR_NO_LIGHTMAPPER,
+ BAKE_ERROR_NO_ROOT,
};
enum EnvironmentMode {