Separate headers from src and make the headers hpp

Signed-off-by: somebody_master <somebody_master@somebodyserver.mooo.com>

gdextension/SConstruct

@@ -1,8 +1,9 @@
 env = SConscript("godot-cpp/SConstruct")
 
-env.Append(CPPPATH="src/")
+env.Append(CPPPATH=["src/","include/"])
 
 src = Glob("src/*.cpp")
+headers = Glob("include/*.hpp")
 
 if env["platform"] == "linux":
     pass

gdextension/include/register_types.hpp

@@ -3,8 +3,8 @@
  * This is free and unencumbered software released into the public domain.
  */
 
-#ifndef EXAMPLE_REGISTER_TYPES_H
-#define EXAMPLE_REGISTER_TYPES_H
+#ifndef EXAMPLE_REGISTER_TYPES_HPP
+#define EXAMPLE_REGISTER_TYPES_HPP
 
 #include <godot_cpp/core/class_db.hpp>
 
@@ -13,4 +13,4 @@ using namespace godot;
 void initialize_test_module(ModuleInitializationLevel p_level);
 void uninitialize_test_module(ModuleInitializationLevel p_level);
 
-#endif // EXAMPLE_REGISTER_TYPES_H
+#endif // EXAMPLE_REGISTER_TYPES_HPP

gdextension/include/test.hpp

@@ -1,5 +1,5 @@
-#ifndef TEST_H
-#define TEST_H
+#ifndef TEST_HPP
+#define TEST_HPP
 
 #include <godot_cpp/classes/node3d.hpp>
 

gdextension/src/register_types.cpp

@@ -3,7 +3,7 @@
  * This is free and unencumbered software released into the public domain.
  */
 
-#include "register_types.h"
+#include "register_types.hpp"
 
 #include <gdextension_interface.h>
 
@@ -11,7 +11,7 @@
 #include <godot_cpp/core/defs.hpp>
 #include <godot_cpp/godot.hpp>
 
-#include "test.h"
+#include "test.hpp"
 
 using namespace godot;
 

gdextension/src/test.cpp

@@ -1,4 +1,4 @@
-#include "test.h"
+#include "test.hpp"
 
 #include <godot_cpp/variant/utility_functions.hpp>