Replace DirectionalLight3D's `use_in_sky_only` with `sky_mode` enum

3 options are available:

- Light and Sky (default)
- Light Only (new)
- Sky Only (equivalent to `use_in_sky_only = true`)

Co-authored by: clayjohn <claynjohn@gmail.com>

5 files changed, 12 insertions, 12 deletions

diff --git a/servers/rendering/renderer_rd/renderer_scene_gi_rd.cpp b/servers/rendering/renderer_rd/renderer_scene_gi_rd.cpp
index f4cecf089b..75202d5abb 100644
--- a/servers/rendering/renderer_rd/renderer_scene_gi_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_scene_gi_rd.cpp
@@ -1458,7 +1458,7 @@ void RendererSceneGIRD::SDFGI::pre_process_gi(const Transform3D &p_transform, Re
 			RendererSceneRenderRD::LightInstance *li = p_scene_render->light_instance_owner.get_or_null(p_scene_render->render_state.sdfgi_update_data->directional_lights->get(j));
 			ERR_CONTINUE(!li);
 
-			if (storage->light_directional_is_sky_only(li->light)) {
+			if (storage->light_directional_get_sky_mode(li->light) == RS::LIGHT_DIRECTIONAL_SKY_MODE_SKY_ONLY) {
 				continue;
 			}
 
@@ -2388,7 +2388,7 @@ void RendererSceneGIRD::VoxelGIInstance::update(bool p_update_light_instances, c
 				RID light = p_scene_render->light_instance_get_base_light(light_instance);
 
 				l.type = storage->light_get_type(light);
-				if (l.type == RS::LIGHT_DIRECTIONAL && storage->light_directional_is_sky_only(light)) {
+				if (l.type == RS::LIGHT_DIRECTIONAL && storage->light_directional_get_sky_mode(light) == RS::LIGHT_DIRECTIONAL_SKY_MODE_SKY_ONLY) {
 					light_count--;
 					continue;
 				}
diff --git a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
index ad9b2e62fa..f5258d7923 100644
--- a/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_scene_render_rd.cpp
@@ -3286,7 +3286,7 @@ void RendererSceneRenderRD::_setup_lights(const PagedArray<RID> &p_lights, const
 		RS::LightType type = storage->light_get_type(base);
 		switch (type) {
 			case RS::LIGHT_DIRECTIONAL: {
-				if (r_directional_light_count >= cluster.max_directional_lights || storage->light_directional_is_sky_only(base)) {
+				if (r_directional_light_count >= cluster.max_directional_lights || storage->light_directional_get_sky_mode(base) == RS::LIGHT_DIRECTIONAL_SKY_MODE_SKY_ONLY) {
 					continue;
 				}
 
diff --git a/servers/rendering/renderer_rd/renderer_scene_sky_rd.cpp b/servers/rendering/renderer_rd/renderer_scene_sky_rd.cpp
index 1785a6b180..44da9e40f8 100644
--- a/servers/rendering/renderer_rd/renderer_scene_sky_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_scene_sky_rd.cpp
@@ -1167,7 +1167,7 @@ void RendererSceneSkyRD::setup(RendererSceneEnvironmentRD *p_env, RID p_render_b
 				ERR_CONTINUE(base.is_null());
 
 				RS::LightType type = storage->light_get_type(base);
-				if (type == RS::LIGHT_DIRECTIONAL) {
+				if (type == RS::LIGHT_DIRECTIONAL && storage->light_directional_get_sky_mode(base) != RS::LIGHT_DIRECTIONAL_SKY_MODE_LIGHT_ONLY) {
 					SkyDirectionalLightData &sky_light_data = sky_scene_state.directional_lights[sky_scene_state.ubo.directional_light_count];
 					Transform3D light_transform = li->transform;
 					Vector3 world_direction = light_transform.basis.xform(Vector3(0, 0, 1)).normalized();
diff --git a/servers/rendering/renderer_rd/renderer_storage_rd.cpp b/servers/rendering/renderer_rd/renderer_storage_rd.cpp
index 306a9a8320..9076fc5bb8 100644
--- a/servers/rendering/renderer_rd/renderer_storage_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_storage_rd.cpp
@@ -5435,18 +5435,18 @@ bool RendererStorageRD::light_directional_get_blend_splits(RID p_light) const {
 	return light->directional_blend_splits;
 }
 
-void RendererStorageRD::light_directional_set_sky_only(RID p_light, bool p_sky_only) {
+void RendererStorageRD::light_directional_set_sky_mode(RID p_light, RS::LightDirectionalSkyMode p_mode) {
 	Light *light = light_owner.get_or_null(p_light);
 	ERR_FAIL_COND(!light);
 
-	light->directional_sky_only = p_sky_only;
+	light->directional_sky_mode = p_mode;
 }
 
-bool RendererStorageRD::light_directional_is_sky_only(RID p_light) const {
+RS::LightDirectionalSkyMode RendererStorageRD::light_directional_get_sky_mode(RID p_light) const {
 	const Light *light = light_owner.get_or_null(p_light);
-	ERR_FAIL_COND_V(!light, false);
+	ERR_FAIL_COND_V(!light, RS::LIGHT_DIRECTIONAL_SKY_MODE_LIGHT_AND_SKY);
 
-	return light->directional_sky_only;
+	return light->directional_sky_mode;
 }
 
 RS::LightDirectionalShadowMode RendererStorageRD::light_directional_get_shadow_mode(RID p_light) {
diff --git a/servers/rendering/renderer_rd/renderer_storage_rd.h b/servers/rendering/renderer_rd/renderer_storage_rd.h
index 16f1b265a3..872dd41fe5 100644
--- a/servers/rendering/renderer_rd/renderer_storage_rd.h
+++ b/servers/rendering/renderer_rd/renderer_storage_rd.h
@@ -921,7 +921,7 @@ private:
 		RS::LightOmniShadowMode omni_shadow_mode = RS::LIGHT_OMNI_SHADOW_DUAL_PARABOLOID;
 		RS::LightDirectionalShadowMode directional_shadow_mode = RS::LIGHT_DIRECTIONAL_SHADOW_ORTHOGONAL;
 		bool directional_blend_splits = false;
-		bool directional_sky_only = false;
+		RS::LightDirectionalSkyMode directional_sky_mode = RS::LIGHT_DIRECTIONAL_SKY_MODE_LIGHT_AND_SKY;
 		uint64_t version = 0;
 
 		Dependency dependency;
@@ -1649,8 +1649,8 @@ public:
 	void light_directional_set_shadow_mode(RID p_light, RS::LightDirectionalShadowMode p_mode);
 	void light_directional_set_blend_splits(RID p_light, bool p_enable);
 	bool light_directional_get_blend_splits(RID p_light) const;
-	void light_directional_set_sky_only(RID p_light, bool p_sky_only);
-	bool light_directional_is_sky_only(RID p_light) const;
+	void light_directional_set_sky_mode(RID p_light, RS::LightDirectionalSkyMode p_mode);
+	RS::LightDirectionalSkyMode light_directional_get_sky_mode(RID p_light) const;
 
 	RS::LightDirectionalShadowMode light_directional_get_shadow_mode(RID p_light);
 	RS::LightOmniShadowMode light_omni_get_shadow_mode(RID p_light);