From 1d840aae3a56e0b2500a19452d98ade73625b01b Mon Sep 17 00:00:00 2001
From: Lukas Tenbrink <lukas.tenbrink@gmail.com>
Date: Fri, 30 Jan 2026 00:05:55 +0100
Subject: [PATCH] Remove `sky.h` include from `environment.h`, to speed up
 compile time.

---
 editor/animation/animation_library_editor.cpp        | 1 +
 editor/animation/animation_player_editor_plugin.h    | 1 +
 editor/debugger/editor_debugger_inspector.cpp        | 1 +
 editor/debugger/editor_debugger_node.cpp             | 1 +
 editor/debugger/editor_debugger_tree.cpp             | 1 +
 editor/editor_log.cpp                                | 1 +
 editor/gui/create_dialog.cpp                         | 1 +
 editor/import/3d/scene_import_settings.cpp           | 1 +
 editor/inspector/editor_properties.cpp               | 1 +
 editor/scene/3d/node_3d_editor_plugin.cpp            | 1 +
 editor/scene/3d/voxel_gi_editor_plugin.cpp           | 2 ++
 editor/scene/editor_scene_tabs.cpp                   | 1 +
 editor/scene/material_editor_plugin.cpp              | 1 +
 editor/scene/scene_create_dialog.cpp                 | 1 +
 editor/scene/texture/texture_3d_editor_plugin.h      | 1 +
 editor/scene/texture/texture_editor_plugin.cpp       | 1 +
 editor/scene/texture/texture_layered_editor_plugin.h | 1 +
 editor/script/editor_script_plugin.cpp               | 1 +
 editor/shader/shader_editor_plugin.h                 | 1 +
 editor/shader/visual_shader_editor_plugin.cpp        | 1 +
 editor/shader/visual_shader_editor_plugin.h          | 1 +
 modules/openxr/editor/openxr_action_map_editor.cpp   | 2 ++
 scene/3d/bone_attachment_3d.cpp                      | 2 ++
 scene/3d/ik_modifier_3d.cpp                          | 2 ++
 scene/3d/label_3d.h                                  | 1 +
 scene/3d/look_at_modifier_3d.cpp                     | 1 +
 scene/3d/modifier_bone_target_3d.cpp                 | 2 ++
 scene/3d/path_3d.h                                   | 1 +
 scene/3d/physics/ray_cast_3d.h                       | 1 +
 scene/3d/physics/shape_cast_3d.h                     | 1 +
 scene/3d/skeleton_3d.cpp                             | 1 +
 scene/3d/skeleton_ik_3d.cpp                          | 2 ++
 scene/3d/spring_bone_collision_3d.cpp                | 1 +
 scene/3d/spring_bone_simulator_3d.cpp                | 1 +
 scene/3d/sprite_3d.h                                 | 1 +
 scene/3d/visual_instance_3d.cpp                      | 1 +
 scene/3d/visual_instance_3d.h                        | 1 +
 scene/resources/environment.cpp                      | 1 +
 scene/resources/environment.h                        | 3 ++-
 39 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/editor/animation/animation_library_editor.cpp b/editor/animation/animation_library_editor.cpp
index 23d51fc26f..7e41d5d906 100644
--- a/editor/animation/animation_library_editor.cpp
+++ b/editor/animation/animation_library_editor.cpp
@@ -30,6 +30,7 @@
 
 #include "animation_library_editor.h"
 
+#include "core/io/resource_loader.h"
 #include "core/string/ustring.h"
 #include "core/templates/vector.h"
 #include "core/variant/variant.h"
diff --git a/editor/animation/animation_player_editor_plugin.h b/editor/animation/animation_player_editor_plugin.h
index c662d2e0f9..fc5575b4e8 100644
--- a/editor/animation/animation_player_editor_plugin.h
+++ b/editor/animation/animation_player_editor_plugin.h
@@ -40,6 +40,7 @@
 #include "scene/gui/spin_box.h"
 #include "scene/gui/texture_button.h"
 #include "scene/gui/tree.h"
+#include "scene/resources/material.h"
 
 class AnimationPlayerEditorPlugin;
 class ImageTexture;
diff --git a/editor/debugger/editor_debugger_inspector.cpp b/editor/debugger/editor_debugger_inspector.cpp
index e6531fc5b7..04d7ddc4a2 100644
--- a/editor/debugger/editor_debugger_inspector.cpp
+++ b/editor/debugger/editor_debugger_inspector.cpp
@@ -32,6 +32,7 @@
 
 #include "core/debugger/debugger_marshalls.h"
 #include "core/io/marshalls.h"
+#include "core/io/resource_loader.h"
 #include "editor/docks/inspector_dock.h"
 #include "editor/editor_node.h"
 #include "editor/editor_undo_redo_manager.h"
diff --git a/editor/debugger/editor_debugger_node.cpp b/editor/debugger/editor_debugger_node.cpp
index cf50ad94fa..9e521a3215 100644
--- a/editor/debugger/editor_debugger_node.cpp
+++ b/editor/debugger/editor_debugger_node.cpp
@@ -30,6 +30,7 @@
 
 #include "editor_debugger_node.h"
 
+#include "core/io/resource_loader.h"
 #include "core/object/undo_redo.h"
 #include "editor/debugger/editor_debugger_plugin.h"
 #include "editor/debugger/editor_debugger_tree.h"
diff --git a/editor/debugger/editor_debugger_tree.cpp b/editor/debugger/editor_debugger_tree.cpp
index 6bcbaa180c..6f7167a5a2 100644
--- a/editor/debugger/editor_debugger_tree.cpp
+++ b/editor/debugger/editor_debugger_tree.cpp
@@ -30,6 +30,7 @@
 
 #include "editor_debugger_tree.h"
 
+#include "core/io/resource_saver.h"
 #include "editor/debugger/editor_debugger_node.h"
 #include "editor/docks/scene_tree_dock.h"
 #include "editor/editor_node.h"
diff --git a/editor/editor_log.cpp b/editor/editor_log.cpp
index 8a0b36ef11..93f5df407e 100644
--- a/editor/editor_log.cpp
+++ b/editor/editor_log.cpp
@@ -30,6 +30,7 @@
 
 #include "editor_log.h"
 
+#include "core/io/resource_loader.h"
 #include "core/object/undo_redo.h"
 #include "core/os/keyboard.h"
 #include "core/version.h"
diff --git a/editor/gui/create_dialog.cpp b/editor/gui/create_dialog.cpp
index 5d42261796..722d9c1e65 100644
--- a/editor/gui/create_dialog.cpp
+++ b/editor/gui/create_dialog.cpp
@@ -30,6 +30,7 @@
 
 #include "create_dialog.h"
 
+#include "core/io/resource_loader.h"
 #include "core/object/class_db.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
diff --git a/editor/import/3d/scene_import_settings.cpp b/editor/import/3d/scene_import_settings.cpp
index 1e3f95300e..b672e03a99 100644
--- a/editor/import/3d/scene_import_settings.cpp
+++ b/editor/import/3d/scene_import_settings.cpp
@@ -45,6 +45,7 @@
 #include "scene/gui/subviewport_container.h"
 #include "scene/main/timer.h"
 #include "scene/resources/3d/importer_mesh.h"
+#include "scene/resources/sky.h"
 #include "scene/resources/surface_tool.h"
 
 class SceneImportSettingsData : public Object {
diff --git a/editor/inspector/editor_properties.cpp b/editor/inspector/editor_properties.cpp
index befd74884c..7e687e5a8b 100644
--- a/editor/inspector/editor_properties.cpp
+++ b/editor/inspector/editor_properties.cpp
@@ -59,6 +59,7 @@
 #include "scene/main/window.h"
 #include "scene/resources/font.h"
 #include "scene/resources/mesh.h"
+#include "scene/resources/sky.h"
 #include "scene/resources/visual_shader_nodes.h"
 
 ///////////////////// NIL /////////////////////////
diff --git a/editor/scene/3d/node_3d_editor_plugin.cpp b/editor/scene/3d/node_3d_editor_plugin.cpp
index a945809d39..3d1849eabe 100644
--- a/editor/scene/3d/node_3d_editor_plugin.cpp
+++ b/editor/scene/3d/node_3d_editor_plugin.cpp
@@ -104,6 +104,7 @@
 #include "scene/gui/subviewport_container.h"
 #include "scene/resources/3d/sky_material.h"
 #include "scene/resources/packed_scene.h"
+#include "scene/resources/sky.h"
 #include "scene/resources/surface_tool.h"
 
 constexpr real_t DISTANCE_DEFAULT = 4;
diff --git a/editor/scene/3d/voxel_gi_editor_plugin.cpp b/editor/scene/3d/voxel_gi_editor_plugin.cpp
index c4ff434f28..72e9e54f3e 100644
--- a/editor/scene/3d/voxel_gi_editor_plugin.cpp
+++ b/editor/scene/3d/voxel_gi_editor_plugin.cpp
@@ -30,6 +30,8 @@
 
 #include "voxel_gi_editor_plugin.h"
 
+#include "core/io/resource_loader.h"
+#include "core/io/resource_saver.h"
 #include "editor/editor_interface.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
diff --git a/editor/scene/editor_scene_tabs.cpp b/editor/scene/editor_scene_tabs.cpp
index ea5da9e0d9..b411f74646 100644
--- a/editor/scene/editor_scene_tabs.cpp
+++ b/editor/scene/editor_scene_tabs.cpp
@@ -31,6 +31,7 @@
 #include "editor_scene_tabs.h"
 
 #include "core/config/project_settings.h"
+#include "core/io/resource_loader.h"
 #include "editor/docks/inspector_dock.h"
 #include "editor/editor_main_screen.h"
 #include "editor/editor_node.h"
diff --git a/editor/scene/material_editor_plugin.cpp b/editor/scene/material_editor_plugin.cpp
index a5554ebe29..4c566dcbb0 100644
--- a/editor/scene/material_editor_plugin.cpp
+++ b/editor/scene/material_editor_plugin.cpp
@@ -44,6 +44,7 @@
 #include "scene/main/viewport.h"
 #include "scene/resources/canvas_item_material.h"
 #include "scene/resources/particle_process_material.h"
+#include "scene/resources/sky.h"
 
 // 3D.
 #include "scene/3d/camera_3d.h"
diff --git a/editor/scene/scene_create_dialog.cpp b/editor/scene/scene_create_dialog.cpp
index 242ff5141c..3833f3eeb3 100644
--- a/editor/scene/scene_create_dialog.cpp
+++ b/editor/scene/scene_create_dialog.cpp
@@ -31,6 +31,7 @@
 #include "scene_create_dialog.h"
 
 #include "core/io/dir_access.h"
+#include "core/io/resource_saver.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
 #include "editor/gui/create_dialog.h"
diff --git a/editor/scene/texture/texture_3d_editor_plugin.h b/editor/scene/texture/texture_3d_editor_plugin.h
index 36e1cea3b2..010d48db6d 100644
--- a/editor/scene/texture/texture_3d_editor_plugin.h
+++ b/editor/scene/texture/texture_3d_editor_plugin.h
@@ -33,6 +33,7 @@
 #include "editor/inspector/editor_inspector.h"
 #include "editor/plugins/editor_plugin.h"
 #include "scene/gui/spin_box.h"
+#include "scene/resources/material.h"
 #include "scene/resources/shader.h"
 #include "scene/resources/texture.h"
 
diff --git a/editor/scene/texture/texture_editor_plugin.cpp b/editor/scene/texture/texture_editor_plugin.cpp
index e674c3f4b1..65f6aa5e37 100644
--- a/editor/scene/texture/texture_editor_plugin.cpp
+++ b/editor/scene/texture/texture_editor_plugin.cpp
@@ -42,6 +42,7 @@
 #include "scene/resources/compressed_texture.h"
 #include "scene/resources/dpi_texture.h"
 #include "scene/resources/image_texture.h"
+#include "scene/resources/material.h"
 #include "scene/resources/portable_compressed_texture.h"
 
 constexpr const char *texture_2d_shader_code = R"(
diff --git a/editor/scene/texture/texture_layered_editor_plugin.h b/editor/scene/texture/texture_layered_editor_plugin.h
index a8c20f5a74..368caf2a12 100644
--- a/editor/scene/texture/texture_layered_editor_plugin.h
+++ b/editor/scene/texture/texture_layered_editor_plugin.h
@@ -33,6 +33,7 @@
 #include "editor/inspector/editor_inspector.h"
 #include "editor/plugins/editor_plugin.h"
 #include "scene/gui/spin_box.h"
+#include "scene/resources/material.h"
 #include "scene/resources/shader.h"
 #include "scene/resources/texture.h"
 
diff --git a/editor/script/editor_script_plugin.cpp b/editor/script/editor_script_plugin.cpp
index 98711826e8..cc75a24fe3 100644
--- a/editor/script/editor_script_plugin.cpp
+++ b/editor/script/editor_script_plugin.cpp
@@ -30,6 +30,7 @@
 
 #include "editor_script_plugin.h"
 
+#include "core/io/resource_loader.h"
 #include "editor/editor_interface.h"
 #include "editor/script/editor_script.h"
 #include "editor/settings/editor_command_palette.h"
diff --git a/editor/shader/shader_editor_plugin.h b/editor/shader/shader_editor_plugin.h
index 8fcbd25c55..b1b0e8cd02 100644
--- a/editor/shader/shader_editor_plugin.h
+++ b/editor/shader/shader_editor_plugin.h
@@ -31,6 +31,7 @@
 #pragma once
 
 #include "editor/plugins/editor_plugin.h"
+#include "scene/resources/shader.h"
 
 class CodeTextEditor;
 class EditorDock;
diff --git a/editor/shader/visual_shader_editor_plugin.cpp b/editor/shader/visual_shader_editor_plugin.cpp
index 2ddfe38fbe..38036994c5 100644
--- a/editor/shader/visual_shader_editor_plugin.cpp
+++ b/editor/shader/visual_shader_editor_plugin.cpp
@@ -69,6 +69,7 @@
 #include "scene/gui/view_panner.h"
 #include "scene/main/window.h"
 #include "scene/resources/curve_texture.h"
+#include "scene/resources/sky.h"
 #include "scene/resources/style_box_flat.h"
 #include "scene/resources/visual_shader_nodes.h"
 #include "scene/resources/visual_shader_particle_nodes.h"
diff --git a/editor/shader/visual_shader_editor_plugin.h b/editor/shader/visual_shader_editor_plugin.h
index 3854315c86..a067c1530a 100644
--- a/editor/shader/visual_shader_editor_plugin.h
+++ b/editor/shader/visual_shader_editor_plugin.h
@@ -35,6 +35,7 @@
 #include "editor/plugins/editor_resource_conversion_plugin.h"
 #include "editor/shader/shader_editor.h"
 #include "scene/gui/graph_edit.h"
+#include "scene/resources/material.h"
 #include "scene/resources/syntax_highlighter.h"
 #include "scene/resources/visual_shader.h"
 
diff --git a/modules/openxr/editor/openxr_action_map_editor.cpp b/modules/openxr/editor/openxr_action_map_editor.cpp
index 6edb076d08..f3ac1cd532 100644
--- a/modules/openxr/editor/openxr_action_map_editor.cpp
+++ b/modules/openxr/editor/openxr_action_map_editor.cpp
@@ -32,6 +32,8 @@
 
 #include "core/config/project_settings.h"
 #include "core/io/dir_access.h"
+#include "core/io/resource_loader.h"
+#include "core/io/resource_saver.h"
 #include "editor/editor_node.h"
 #include "editor/gui/editor_file_dialog.h"
 #include "editor/settings/editor_command_palette.h"
diff --git a/scene/3d/bone_attachment_3d.cpp b/scene/3d/bone_attachment_3d.cpp
index dd6a9901ee..e6dce81b26 100644
--- a/scene/3d/bone_attachment_3d.cpp
+++ b/scene/3d/bone_attachment_3d.cpp
@@ -31,6 +31,8 @@
 #include "bone_attachment_3d.h"
 #include "bone_attachment_3d.compat.inc"
 
+#include "core/config/engine.h"
+
 void BoneAttachment3D::_validate_property(PropertyInfo &p_property) const {
 	if (Engine::get_singleton()->is_editor_hint() && p_property.name == "bone_name") {
 		// Because it is a constant function, we cannot use the get_skeleton function.
diff --git a/scene/3d/ik_modifier_3d.cpp b/scene/3d/ik_modifier_3d.cpp
index a0b36929ce..ee485b9d9d 100644
--- a/scene/3d/ik_modifier_3d.cpp
+++ b/scene/3d/ik_modifier_3d.cpp
@@ -30,6 +30,8 @@
 
 #include "ik_modifier_3d.h"
 
+#include "core/config/engine.h"
+
 void IKModifier3D::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_ENTER_TREE: {
diff --git a/scene/3d/label_3d.h b/scene/3d/label_3d.h
index 29d0cacebf..408819714f 100644
--- a/scene/3d/label_3d.h
+++ b/scene/3d/label_3d.h
@@ -32,6 +32,7 @@
 
 #include "scene/3d/visual_instance_3d.h"
 #include "scene/resources/font.h"
+#include "scene/resources/material.h"
 
 #include "servers/text/text_server.h"
 
diff --git a/scene/3d/look_at_modifier_3d.cpp b/scene/3d/look_at_modifier_3d.cpp
index 2b4e8de72a..e02197cced 100644
--- a/scene/3d/look_at_modifier_3d.cpp
+++ b/scene/3d/look_at_modifier_3d.cpp
@@ -30,6 +30,7 @@
 
 #include "look_at_modifier_3d.h"
 
+#include "core/config/engine.h"
 #include "scene/resources/animation.h"
 
 void LookAtModifier3D::_validate_property(PropertyInfo &p_property) const {
diff --git a/scene/3d/modifier_bone_target_3d.cpp b/scene/3d/modifier_bone_target_3d.cpp
index 6539a4afac..1bafa8489c 100644
--- a/scene/3d/modifier_bone_target_3d.cpp
+++ b/scene/3d/modifier_bone_target_3d.cpp
@@ -30,6 +30,8 @@
 
 #include "modifier_bone_target_3d.h"
 
+#include "core/config/engine.h"
+
 void ModifierBoneTarget3D::_validate_bone_names() {
 	// Prior bone name.
 	if (!bone_name.is_empty()) {
diff --git a/scene/3d/path_3d.h b/scene/3d/path_3d.h
index 8ea04970a4..be7e5e3db9 100644
--- a/scene/3d/path_3d.h
+++ b/scene/3d/path_3d.h
@@ -32,6 +32,7 @@
 
 #include "scene/3d/node_3d.h"
 #include "scene/resources/curve.h"
+#include "scene/resources/material.h"
 
 class Path3D : public Node3D {
 	GDCLASS(Path3D, Node3D);
diff --git a/scene/3d/physics/ray_cast_3d.h b/scene/3d/physics/ray_cast_3d.h
index 8ad4f48636..1c467f0531 100644
--- a/scene/3d/physics/ray_cast_3d.h
+++ b/scene/3d/physics/ray_cast_3d.h
@@ -31,6 +31,7 @@
 #pragma once
 
 #include "scene/3d/node_3d.h"
+#include "scene/resources/material.h"
 
 class CollisionObject3D;
 
diff --git a/scene/3d/physics/shape_cast_3d.h b/scene/3d/physics/shape_cast_3d.h
index b0be9330d6..6cf6474d74 100644
--- a/scene/3d/physics/shape_cast_3d.h
+++ b/scene/3d/physics/shape_cast_3d.h
@@ -32,6 +32,7 @@
 
 #include "scene/3d/node_3d.h"
 #include "scene/resources/3d/shape_3d.h"
+#include "scene/resources/material.h"
 
 class CollisionObject3D;
 
diff --git a/scene/3d/skeleton_3d.cpp b/scene/3d/skeleton_3d.cpp
index a66655ebd3..d2cb12c3b7 100644
--- a/scene/3d/skeleton_3d.cpp
+++ b/scene/3d/skeleton_3d.cpp
@@ -35,6 +35,7 @@
 #if !defined(DISABLE_DEPRECATED) && !defined(PHYSICS_3D_DISABLED)
 #include "scene/3d/physics/physical_bone_simulator_3d.h"
 #endif // _DISABLE_DEPRECATED && PHYSICS_3D_DISABLED
+#include "servers/rendering/rendering_server.h"
 
 void SkinReference::_skin_changed() {
 	if (skeleton_node) {
diff --git a/scene/3d/skeleton_ik_3d.cpp b/scene/3d/skeleton_ik_3d.cpp
index 9f36d6ac94..a5e7b82bae 100644
--- a/scene/3d/skeleton_ik_3d.cpp
+++ b/scene/3d/skeleton_ik_3d.cpp
@@ -30,6 +30,8 @@
 
 #include "skeleton_ik_3d.h"
 
+#include "core/config/engine.h"
+
 FabrikInverseKinematic::ChainItem *FabrikInverseKinematic::ChainItem::find_child(const BoneId p_bone_id) {
 	for (int i = children.size() - 1; 0 <= i; --i) {
 		if (p_bone_id == children[i].bone) {
diff --git a/scene/3d/spring_bone_collision_3d.cpp b/scene/3d/spring_bone_collision_3d.cpp
index 14f644bc02..17cdcc168e 100644
--- a/scene/3d/spring_bone_collision_3d.cpp
+++ b/scene/3d/spring_bone_collision_3d.cpp
@@ -30,6 +30,7 @@
 
 #include "spring_bone_collision_3d.h"
 
+#include "core/config/engine.h"
 #include "scene/3d/spring_bone_simulator_3d.h"
 
 PackedStringArray SpringBoneCollision3D::get_configuration_warnings() const {
diff --git a/scene/3d/spring_bone_simulator_3d.cpp b/scene/3d/spring_bone_simulator_3d.cpp
index 4d97752226..9942961e49 100644
--- a/scene/3d/spring_bone_simulator_3d.cpp
+++ b/scene/3d/spring_bone_simulator_3d.cpp
@@ -31,6 +31,7 @@
 #include "spring_bone_simulator_3d.h"
 #include "spring_bone_simulator_3d.compat.inc"
 
+#include "core/config/engine.h"
 #include "scene/3d/spring_bone_collision_3d.h"
 
 // Original VRM Spring Bone movement logic was distributed by (c) VRM Consortium. Licensed under the MIT license.
diff --git a/scene/3d/sprite_3d.h b/scene/3d/sprite_3d.h
index f41e612a4b..e2f0241cab 100644
--- a/scene/3d/sprite_3d.h
+++ b/scene/3d/sprite_3d.h
@@ -31,6 +31,7 @@
 #pragma once
 
 #include "scene/3d/visual_instance_3d.h"
+#include "scene/resources/material.h"
 #include "scene/resources/sprite_frames.h"
 
 class SpriteBase3D : public GeometryInstance3D {
diff --git a/scene/3d/visual_instance_3d.cpp b/scene/3d/visual_instance_3d.cpp
index a315c179e8..d538df794e 100644
--- a/scene/3d/visual_instance_3d.cpp
+++ b/scene/3d/visual_instance_3d.cpp
@@ -31,6 +31,7 @@
 #include "visual_instance_3d.h"
 
 #include "core/config/project_settings.h"
+#include "scene/resources/material.h"
 
 AABB VisualInstance3D::get_aabb() const {
 	AABB ret;
diff --git a/scene/3d/visual_instance_3d.h b/scene/3d/visual_instance_3d.h
index 25226553c0..8a646da404 100644
--- a/scene/3d/visual_instance_3d.h
+++ b/scene/3d/visual_instance_3d.h
@@ -31,6 +31,7 @@
 #pragma once
 
 #include "scene/3d/node_3d.h"
+#include "servers/rendering/rendering_server.h"
 
 class TriangleMesh;
 
diff --git a/scene/resources/environment.cpp b/scene/resources/environment.cpp
index fc6724fe77..37add8d354 100644
--- a/scene/resources/environment.cpp
+++ b/scene/resources/environment.cpp
@@ -32,6 +32,7 @@
 
 #include "core/config/project_settings.h"
 #include "scene/resources/gradient_texture.h"
+#include "scene/resources/sky.h"
 #include "servers/rendering/rendering_server.h"
 
 RID Environment::get_rid() const {
diff --git a/scene/resources/environment.h b/scene/resources/environment.h
index cfc1757f24..15ea8a0d14 100644
--- a/scene/resources/environment.h
+++ b/scene/resources/environment.h
@@ -31,9 +31,10 @@
 #pragma once
 
 #include "core/io/resource.h"
-#include "scene/resources/sky.h"
 #include "scene/resources/texture.h"
 
+class Sky;
+
 class Environment : public Resource {
 	GDCLASS(Environment, Resource);