feat: modules moved and engine moved to submodule

engine/drivers/png/SCsub

@@ -30,9 +30,9 @@ if env["builtin_libpng"]:
     ]
     thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
 
-    env_png.Prepend(CPPPATH=[thirdparty_dir])
+    env_png.Prepend(CPPEXTPATH=[thirdparty_dir])
     # Needed for drivers includes and in platform/web.
-    env.Prepend(CPPPATH=[thirdparty_dir])
+    env.Prepend(CPPEXTPATH=[thirdparty_dir])
 
     env_thirdparty = env_png.Clone()
     env_thirdparty.disable_warnings()

engine/drivers/png/image_loader_png.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef IMAGE_LOADER_PNG_H
-#define IMAGE_LOADER_PNG_H
+#pragma once
 
 #include "core/io/image_loader.h"
 
@@ -45,5 +44,3 @@ public:
 	virtual void get_recognized_extensions(List<String> *p_extensions) const;
 	ImageLoaderPNG();
 };
-
-#endif // IMAGE_LOADER_PNG_H

engine/drivers/png/png_driver_common.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef PNG_DRIVER_COMMON_H
-#define PNG_DRIVER_COMMON_H
+#pragma once
 
 #include "core/io/image.h"
 
@@ -42,5 +41,3 @@ Error png_to_image(const uint8_t *p_source, size_t p_size, bool p_force_linear,
 // Contents of p_buffer is unspecified if error returned.
 Error image_to_png(const Ref<Image> &p_image, Vector<uint8_t> &p_buffer);
 } // namespace PNGDriverCommon
-
-#endif // PNG_DRIVER_COMMON_H

engine/drivers/png/resource_saver_png.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef RESOURCE_SAVER_PNG_H
-#define RESOURCE_SAVER_PNG_H
+#pragma once
 
 #include "core/io/image.h"
 #include "core/io/resource_saver.h"
@@ -45,5 +44,3 @@ public:
 
 	ResourceSaverPNG();
 };
-
-#endif // RESOURCE_SAVER_PNG_H