C++ modernize: Pragma once (#6264)

* Migrate cpp headers to pragma once

49 files changed, 70 insertions, 211 deletions

diff --git a/src/script/common/c_content.h b/src/script/common/c_content.h
index 9b8796297..c4440c5d9 100644
--- a/src/script/common/c_content.h
+++ b/src/script/common/c_content.h
@@ -25,8 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 /******************************************************************************/
 /******************************************************************************/
 
-#ifndef C_CONTENT_H_
-#define C_CONTENT_H_
+#pragma once
 
 extern "C" {
 #include <lua.h>
@@ -187,5 +186,3 @@ void               push_pointed_thing        (lua_State *L, const PointedThing &
 void               push_objectRef            (lua_State *L, const u16 id);
 
 extern struct EnumString es_TileAnimationType[];
-
-#endif /* C_CONTENT_H_ */
diff --git a/src/script/common/c_converter.h b/src/script/common/c_converter.h
index f7d9294d6..bba01f545 100644
--- a/src/script/common/c_converter.h
+++ b/src/script/common/c_converter.h
@@ -24,8 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 /*             not being a script/modapi file!!!!!!!!                         */
 /******************************************************************************/
 /******************************************************************************/
-#ifndef C_CONVERTER_H_
-#define C_CONVERTER_H_
+#pragma once
 
 #include <vector>
 #include <unordered_map>
@@ -117,5 +116,3 @@ size_t write_array_slice_float(lua_State *L, int table_index, float *data,
 	v3u16 data_size, v3u16 slice_offset, v3u16 slice_size);
 size_t write_array_slice_u16(lua_State *L, int table_index, u16 *data,
 	v3u16 data_size, v3u16 slice_offset, v3u16 slice_size);
-
-#endif /* C_CONVERTER_H_ */
diff --git a/src/script/common/c_internal.h b/src/script/common/c_internal.h
index b77f0a7c3..2548ac979 100644
--- a/src/script/common/c_internal.h
+++ b/src/script/common/c_internal.h
@@ -24,8 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 /******************************************************************************/
 /******************************************************************************/
 
-#ifndef C_INTERNAL_H_
-#define C_INTERNAL_H_
+#pragma once
 
 extern "C" {
 #include <lua.h>
@@ -106,5 +105,3 @@ void script_error(lua_State *L, int pcall_result, const char *mod, const char *f
 void script_run_callbacks_f(lua_State *L, int nargs,
 	RunCallbacksMode mode, const char *fxn);
 void log_deprecated(lua_State *L, const std::string &message);
-
-#endif /* C_INTERNAL_H_ */
diff --git a/src/script/common/c_types.h b/src/script/common/c_types.h
index 056f30251..86bfb0b6b 100644
--- a/src/script/common/c_types.h
+++ b/src/script/common/c_types.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef C_TYPES_H_
-#define C_TYPES_H_
+#pragma once
 
 extern "C" {
 #include "lua.h"
@@ -60,5 +59,3 @@ public:
 
 
 extern EnumString es_ItemType[];
-
-#endif /* C_TYPES_H_ */
diff --git a/src/script/cpp_api/s_async.h b/src/script/cpp_api/s_async.h
index aa1559ed1..01c3ad005 100644
--- a/src/script/cpp_api/s_async.h
+++ b/src/script/cpp_api/s_async.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef CPP_API_ASYNC_EVENTS_HEADER
-#define CPP_API_ASYNC_EVENTS_HEADER
+#pragma once
 
 #include <vector>
 #include <deque>
@@ -156,5 +155,3 @@ private:
 	// Counter semaphore for job dispatching
 	Semaphore jobQueueCounter;
 };
-
-#endif // CPP_API_ASYNC_EVENTS_HEADER
diff --git a/src/script/cpp_api/s_base.h b/src/script/cpp_api/s_base.h
index ff92bdf93..b2c8b4a18 100644
--- a/src/script/cpp_api/s_base.h
+++ b/src/script/cpp_api/s_base.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_BASE_H_
-#define S_BASE_H_
+#pragma once
 
 #include <iostream>
 #include <string>
@@ -147,5 +146,3 @@ private:
 	GUIEngine      *m_guiengine = nullptr;
 	ScriptingType  m_type;
 };
-
-#endif /* S_BASE_H_ */
diff --git a/src/script/cpp_api/s_client.h b/src/script/cpp_api/s_client.h
index 9133637a6..074a68e39 100644
--- a/src/script/cpp_api/s_client.h
+++ b/src/script/cpp_api/s_client.h
@@ -18,8 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_CLIENT_H_
-#define S_CLIENT_H_
+#pragma once
 
 #include "util/pointedthing.h"
 #include "cpp_api/s_base.h"
@@ -60,4 +59,3 @@ public:
 
 	void setEnv(ClientEnvironment *env);
 };
-#endif
diff --git a/src/script/cpp_api/s_entity.h b/src/script/cpp_api/s_entity.h
index 07b06edff..173e24c30 100644
--- a/src/script/cpp_api/s_entity.h
+++ b/src/script/cpp_api/s_entity.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_ENTITY_H_
-#define S_ENTITY_H_
+#pragma once
 
 #include "cpp_api/s_base.h"
 #include "irr_v3d.h"
@@ -45,7 +44,3 @@ public:
 	void luaentity_Rightclick(u16 id,
 			ServerActiveObject *clicker);
 };
-
-
-
-#endif /* S_ENTITY_H_ */
diff --git a/src/script/cpp_api/s_env.h b/src/script/cpp_api/s_env.h
index e07024565..232a08aaf 100644
--- a/src/script/cpp_api/s_env.h
+++ b/src/script/cpp_api/s_env.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_ENV_H_
-#define S_ENV_H_
+#pragma once
 
 #include "cpp_api/s_base.h"
 #include "irr_v3d.h"
@@ -44,5 +43,3 @@ public:
 
 	void initializeEnvironment(ServerEnvironment *env);
 };
-
-#endif /* S_ENV_H_ */
diff --git a/src/script/cpp_api/s_internal.h b/src/script/cpp_api/s_internal.h
index b493cb6fa..fc049f922 100644
--- a/src/script/cpp_api/s_internal.h
+++ b/src/script/cpp_api/s_internal.h
@@ -24,8 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 /******************************************************************************/
 /******************************************************************************/
 
-#ifndef S_INTERNAL_H_
-#define S_INTERNAL_H_
+#pragma once
 
 #include <thread>
 #include "common/c_internal.h"
@@ -84,6 +83,3 @@ private:
 		lua_State *L = getStack();                                             \
 		assert(lua_checkstack(L, 20));                                         \
 		StackUnroller stack_unroller(L);
-
-#endif /* S_INTERNAL_H_ */
-
diff --git a/src/script/cpp_api/s_inventory.h b/src/script/cpp_api/s_inventory.h
index d1a81de80..93ec7fd42 100644
--- a/src/script/cpp_api/s_inventory.h
+++ b/src/script/cpp_api/s_inventory.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_INVENTORY_H_
-#define S_INVENTORY_H_
+#pragma once
 
 #include "cpp_api/s_base.h"
 
@@ -65,7 +64,3 @@ private:
 	bool getDetachedInventoryCallback(
 			const std::string &name, const char *callbackname);
 };
-
-
-
-#endif /* S_INVENTORY_H_ */
diff --git a/src/script/cpp_api/s_item.h b/src/script/cpp_api/s_item.h
index 6ceb4b559..561f3a553 100644
--- a/src/script/cpp_api/s_item.h
+++ b/src/script/cpp_api/s_item.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_ITEM_H_
-#define S_ITEM_H_
+#pragma once
 
 #include "cpp_api/s_base.h"
 #include "irr_v3d.h"
@@ -58,6 +57,3 @@ protected:
 	void pushPointedThing(const PointedThing& pointed);
 
 };
-
-
-#endif /* S_ITEM_H_ */
diff --git a/src/script/cpp_api/s_mainmenu.h b/src/script/cpp_api/s_mainmenu.h
index 8d5895817..f89d5d889 100644
--- a/src/script/cpp_api/s_mainmenu.h
+++ b/src/script/cpp_api/s_mainmenu.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_MAINMENU_H_
-#define S_MAINMENU_H_
+#pragma once
 
 #include "cpp_api/s_base.h"
 #include "util/string.h"
@@ -44,5 +43,3 @@ public:
 	 */
 	void handleMainMenuButtons(const StringMap &fields);
 };
-
-#endif /* S_MAINMENU_H_ */
diff --git a/src/script/cpp_api/s_node.h b/src/script/cpp_api/s_node.h
index eb127909d..92f07cee7 100644
--- a/src/script/cpp_api/s_node.h
+++ b/src/script/cpp_api/s_node.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_NODE_H_
-#define S_NODE_H_
+#pragma once
 
 #include "irr_v3d.h"
 #include "cpp_api/s_base.h"
@@ -58,7 +57,3 @@ public:
 	static struct EnumString es_LiquidType[];
 	static struct EnumString es_NodeBoxType[];
 };
-
-
-
-#endif /* S_NODE_H_ */
diff --git a/src/script/cpp_api/s_nodemeta.h b/src/script/cpp_api/s_nodemeta.h
index c2ebeba6d..51b8a5eb2 100644
--- a/src/script/cpp_api/s_nodemeta.h
+++ b/src/script/cpp_api/s_nodemeta.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_NODEMETA_H_
-#define S_NODEMETA_H_
+#pragma once
 
 #include "cpp_api/s_base.h"
 #include "cpp_api/s_item.h"
@@ -63,5 +62,3 @@ public:
 private:
 
 };
-
-#endif /* S_NODEMETA_H_ */
diff --git a/src/script/cpp_api/s_player.h b/src/script/cpp_api/s_player.h
index 9b4611f9e..70b06bfc7 100644
--- a/src/script/cpp_api/s_player.h
+++ b/src/script/cpp_api/s_player.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_PLAYER_H_
-#define S_PLAYER_H_
+#pragma once
 
 #include "cpp_api/s_base.h"
 #include "irr_v3d.h"
@@ -46,5 +45,3 @@ public:
 	void on_playerReceiveFields(ServerActiveObject *player,
 			const std::string &formname, const StringMap &fields);
 };
-
-#endif /* S_PLAYER_H_ */
diff --git a/src/script/cpp_api/s_security.h b/src/script/cpp_api/s_security.h
index 059dccef1..c31aff26b 100644
--- a/src/script/cpp_api/s_security.h
+++ b/src/script/cpp_api/s_security.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_SECURITY_H
-#define S_SECURITY_H
+#pragma once
 
 #include "cpp_api/s_base.h"
 
@@ -75,6 +74,3 @@ private:
 	static int sl_os_rename(lua_State *L);
 	static int sl_os_remove(lua_State *L);
 };
-
-#endif
-
diff --git a/src/script/cpp_api/s_server.h b/src/script/cpp_api/s_server.h
index a63e36320..74de19bee 100644
--- a/src/script/cpp_api/s_server.h
+++ b/src/script/cpp_api/s_server.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef S_SERVER_H_
-#define S_SERVER_H_
+#pragma once
 
 #include "cpp_api/s_base.h"
 #include <set>
@@ -46,7 +45,3 @@ private:
 	void getAuthHandler();
 	void readPrivileges(int index, std::set<std::string> &result);
 };
-
-
-
-#endif /* S_SERVER_H_ */
diff --git a/src/script/lua_api/l_areastore.h b/src/script/lua_api/l_areastore.h
index 9cb6249d0..56acd9083 100644
--- a/src/script/lua_api/l_areastore.h
+++ b/src/script/lua_api/l_areastore.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_AREA_STORE_H_
-#define L_AREA_STORE_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 
@@ -63,5 +62,3 @@ public:
 
 	static void Register(lua_State *L);
 };
-
-#endif // L_AREA_STORE_H_
diff --git a/src/script/lua_api/l_base.h b/src/script/lua_api/l_base.h
index e9b28b36a..0a75b4c1a 100644
--- a/src/script/lua_api/l_base.h
+++ b/src/script/lua_api/l_base.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_BASE_H_
-#define L_BASE_H_
+#pragma once
 
 #include "common/c_types.h"
 #include "common/c_internal.h"
@@ -71,5 +70,3 @@ public:
 			lua_CFunction func,
 			int top);
 };
-
-#endif /* L_BASE_H_ */
diff --git a/src/script/lua_api/l_camera.h b/src/script/lua_api/l_camera.h
index c4a0f877c..a7103c9b0 100644
--- a/src/script/lua_api/l_camera.h
+++ b/src/script/lua_api/l_camera.h
@@ -1,5 +1,23 @@
-#ifndef L_CAMERA_H
-#define L_CAMERA_H
+/*
+Minetest
+Copyright (C) 2013-2017 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#pragma once
 
 #include "l_base.h"
 
@@ -40,5 +58,3 @@ public:
 
 	static void Register(lua_State *L);
 };
-
-#endif // L_CAMERA_H
diff --git a/src/script/lua_api/l_client.h b/src/script/lua_api/l_client.h
index 8a3c7f0e8..791038f7d 100644
--- a/src/script/lua_api/l_client.h
+++ b/src/script/lua_api/l_client.h
@@ -18,8 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_CLIENT_H_
-#define L_CLIENT_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 #include "itemdef.h"
@@ -98,5 +97,3 @@ private:
 public:
 	static void Initialize(lua_State *L, int top);
 };
-
-#endif
diff --git a/src/script/lua_api/l_craft.h b/src/script/lua_api/l_craft.h
index eb2bce706..9002b23ef 100644
--- a/src/script/lua_api/l_craft.h
+++ b/src/script/lua_api/l_craft.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_CRAFT_H_
-#define L_CRAFT_H_
+#pragma once
 
 #include <string>
 #include <vector>
@@ -47,5 +46,3 @@ private:
 public:
 	static void Initialize(lua_State *L, int top);
 };
-
-#endif /* L_CRAFT_H_ */
diff --git a/src/script/lua_api/l_env.h b/src/script/lua_api/l_env.h
index f380d8d6f..4d295b6eb 100644
--- a/src/script/lua_api/l_env.h
+++ b/src/script/lua_api/l_env.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_ENV_H_
-#define L_ENV_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 #include "serverenvironment.h"
@@ -297,5 +296,3 @@ struct ScriptCallbackState {
 	unsigned int refcount;
 	std::string origin;
 };
-
-#endif /* L_ENV_H_ */
diff --git a/src/script/lua_api/l_http.h b/src/script/lua_api/l_http.h
index 077ade691..3d9cdad29 100644
--- a/src/script/lua_api/l_http.h
+++ b/src/script/lua_api/l_http.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_HTTP_H_
-#define L_HTTP_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 #include "config.h"
@@ -46,5 +45,3 @@ private:
 public:
 	static void Initialize(lua_State *L, int top);
 };
-
-#endif /* L_HTTP_H_ */
diff --git a/src/script/lua_api/l_internal.h b/src/script/lua_api/l_internal.h
index e9b689931..bbedfe46e 100644
--- a/src/script/lua_api/l_internal.h
+++ b/src/script/lua_api/l_internal.h
@@ -24,8 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 /******************************************************************************/
 /******************************************************************************/
 
-#ifndef L_INTERNAL_H_
-#define L_INTERNAL_H_
+#pragma once
 
 #include "common/c_internal.h"
 
@@ -44,5 +43,3 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define GET_ENV_PTR         \
 	MAP_LOCK_REQUIRED;      \
 	GET_ENV_PTR_NO_MAP_LOCK
-
-#endif /* L_INTERNAL_H_ */
diff --git a/src/script/lua_api/l_inventory.h b/src/script/lua_api/l_inventory.h
index 502827a11..f12377ece 100644
--- a/src/script/lua_api/l_inventory.h
+++ b/src/script/lua_api/l_inventory.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_INVENTORY_H_
-#define L_INVENTORY_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 
@@ -126,5 +125,3 @@ private:
 public:
 	static void Initialize(lua_State *L, int top);
 };
-
-#endif /* L_INVENTORY_H_ */
diff --git a/src/script/lua_api/l_item.h b/src/script/lua_api/l_item.h
index b4efaefc8..6aa62808b 100644
--- a/src/script/lua_api/l_item.h
+++ b/src/script/lua_api/l_item.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_ITEM_H_
-#define L_ITEM_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 #include "inventory.h"  // ItemStack
@@ -147,7 +146,3 @@ private:
 public:
 	static void Initialize(lua_State *L, int top);
 };
-
-
-
-#endif /* L_ITEM_H_ */
diff --git a/src/script/lua_api/l_itemstackmeta.h b/src/script/lua_api/l_itemstackmeta.h
index 6e841d2dc..cfaece794 100644
--- a/src/script/lua_api/l_itemstackmeta.h
+++ b/src/script/lua_api/l_itemstackmeta.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_ITEMSTACKMETA_H_
-#define L_ITEMSTACKMETA_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 #include "lua_api/l_metadata.h"
@@ -55,5 +54,3 @@ public:
 
 	static void Register(lua_State *L);
 };
-
-#endif
diff --git a/src/script/lua_api/l_localplayer.h b/src/script/lua_api/l_localplayer.h
index e618e6be5..dcb5c878c 100644
--- a/src/script/lua_api/l_localplayer.h
+++ b/src/script/lua_api/l_localplayer.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef MINETEST_L_LOCALPLAYER_H
-#define MINETEST_L_LOCALPLAYER_H
+#pragma once
 
 #include "l_base.h"
 
@@ -81,5 +80,3 @@ public:
 
 	static void Register(lua_State *L);
 };
-
-#endif // MINETEST_L_LOCALPLAYER_H
diff --git a/src/script/lua_api/l_mainmenu.h b/src/script/lua_api/l_mainmenu.h
index 4be07576c..ffaab7dca 100644
--- a/src/script/lua_api/l_mainmenu.h
+++ b/src/script/lua_api/l_mainmenu.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_MAINMENU_H_
-#define L_MAINMENU_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 
@@ -151,5 +150,3 @@ public:
 	static void InitializeAsync(lua_State *L, int top);
 
 };
-
-#endif /* L_MAINMENU_H_ */
diff --git a/src/script/lua_api/l_mapgen.h b/src/script/lua_api/l_mapgen.h
index a26c8b950..89b825be2 100644
--- a/src/script/lua_api/l_mapgen.h
+++ b/src/script/lua_api/l_mapgen.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_MAPGEN_H_
-#define L_MAPGEN_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 
@@ -119,5 +118,3 @@ public:
 	static struct EnumString es_SchematicFormatType[];
 	static struct EnumString es_NodeResolveMethod[];
 };
-
-#endif /* L_MAPGEN_H_ */
diff --git a/src/script/lua_api/l_metadata.h b/src/script/lua_api/l_metadata.h
index a479e64b0..5a7c7e7f7 100644
--- a/src/script/lua_api/l_metadata.h
+++ b/src/script/lua_api/l_metadata.h
@@ -16,8 +16,8 @@ You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
-#ifndef L_METADATA_H_
-#define L_METADATA_H_
+
+#pragma once
 
 #include "irrlichttypes_bloated.h"
 #include "lua_api/l_base.h"
@@ -72,5 +72,3 @@ protected:
 	// equals(self, other)
 	static int l_equals(lua_State *L);
 };
-
-#endif /* L_NODEMETA_H_ */
diff --git a/src/script/lua_api/l_minimap.h b/src/script/lua_api/l_minimap.h
index d4fbf6330..2d0e6ae9f 100644
--- a/src/script/lua_api/l_minimap.h
+++ b/src/script/lua_api/l_minimap.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_MINIMAP_H_
-#define L_MINIMAP_H_
+#pragma once
 
 #include "l_base.h"
 
@@ -61,5 +60,3 @@ public:
 
 	static void Register(lua_State *L);
 };
-
-#endif // L_MINIMAP_H_
diff --git a/src/script/lua_api/l_nodemeta.h b/src/script/lua_api/l_nodemeta.h
index 72d26ef36..683f79932 100644
--- a/src/script/lua_api/l_nodemeta.h
+++ b/src/script/lua_api/l_nodemeta.h
@@ -16,8 +16,8 @@ You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
-#ifndef L_NODEMETA_H_
-#define L_NODEMETA_H_
+
+#pragma once
 
 #include "lua_api/l_base.h"
 #include "lua_api/l_metadata.h"
@@ -93,5 +93,3 @@ public:
 	static void Register(lua_State *L);
 	static void RegisterClient(lua_State *L);
 };
-
-#endif /* L_NODEMETA_H_ */
diff --git a/src/script/lua_api/l_nodetimer.h b/src/script/lua_api/l_nodetimer.h
index df77ed98f..c7cc76244 100644
--- a/src/script/lua_api/l_nodetimer.h
+++ b/src/script/lua_api/l_nodetimer.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_NODETIMER_H_
-#define L_NODETIMER_H_
+#pragma once
 
 #include "irr_v3d.h"
 #include "lua_api/l_base.h"
@@ -62,5 +61,3 @@ public:
 
 	static void Register(lua_State *L);
 };
-
-#endif /* L_NODETIMER_H_ */
diff --git a/src/script/lua_api/l_noise.h b/src/script/lua_api/l_noise.h
index f252b5ba2..8af4fbd12 100644
--- a/src/script/lua_api/l_noise.h
+++ b/src/script/lua_api/l_noise.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_NOISE_H_
-#define L_NOISE_H_
+#pragma once
 
 #include "irr_v3d.h"
 #include "lua_api/l_base.h"
@@ -193,5 +192,3 @@ public:
 
 	static void Register(lua_State *L);
 };
-
-#endif /* L_NOISE_H_ */
diff --git a/src/script/lua_api/l_object.h b/src/script/lua_api/l_object.h
index 77874f00c..a2438e434 100644
--- a/src/script/lua_api/l_object.h
+++ b/src/script/lua_api/l_object.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_OBJECT_H_
-#define L_OBJECT_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 #include "irrlichttypes.h"
@@ -333,5 +332,3 @@ private:
 	static int l_get_nametag_attributes(lua_State *L);
 
 };
-
-#endif /* L_OBJECT_H_ */
diff --git a/src/script/lua_api/l_particles.h b/src/script/lua_api/l_particles.h
index c593f47e4..122810b6d 100644
--- a/src/script/lua_api/l_particles.h
+++ b/src/script/lua_api/l_particles.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_PARTICLES_H_
-#define L_PARTICLES_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 
@@ -31,7 +30,3 @@ private:
 public:
 	static void Initialize(lua_State *L, int top);
 };
-
-
-
-#endif /* L_PARTICLES_H_ */
diff --git a/src/script/lua_api/l_rollback.h b/src/script/lua_api/l_rollback.h
index 3b01c0d8b..c26ff634e 100644
--- a/src/script/lua_api/l_rollback.h
+++ b/src/script/lua_api/l_rollback.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_ROLLBACK_H_
-#define L_ROLLBACK_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 
@@ -34,5 +33,3 @@ private:
 public:
 	static void Initialize(lua_State *L, int top);
 };
-
-#endif /* L_ROLLBACK_H_ */
diff --git a/src/script/lua_api/l_server.h b/src/script/lua_api/l_server.h
index 251a0ce89..3aa1785a2 100644
--- a/src/script/lua_api/l_server.h
+++ b/src/script/lua_api/l_server.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_SERVER_H_
-#define L_SERVER_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 
@@ -110,5 +109,3 @@ private:
 public:
 	static void Initialize(lua_State *L, int top);
 };
-
-#endif /* L_SERVER_H_ */
diff --git a/src/script/lua_api/l_settings.h b/src/script/lua_api/l_settings.h
index a664b4494..500917f0a 100644
--- a/src/script/lua_api/l_settings.h
+++ b/src/script/lua_api/l_settings.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_SETTINGS_H_
-#define L_SETTINGS_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 
@@ -77,5 +76,3 @@ public:
 
 	static void Register(lua_State *L);
 };
-
-#endif
diff --git a/src/script/lua_api/l_sound.h b/src/script/lua_api/l_sound.h
index 1f0c1eba1..888a0f30b 100644
--- a/src/script/lua_api/l_sound.h
+++ b/src/script/lua_api/l_sound.h
@@ -18,8 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_SOUND_H_
-#define L_SOUND_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 
@@ -32,5 +31,3 @@ private:
 public:
 	static void Initialize(lua_State *L, int top);
 };
-
-#endif
diff --git a/src/script/lua_api/l_storage.h b/src/script/lua_api/l_storage.h
index eaf7ec9f6..4e808c393 100644
--- a/src/script/lua_api/l_storage.h
+++ b/src/script/lua_api/l_storage.h
@@ -18,8 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef __L_STORAGE_H__
-#define __L_STORAGE_H__
+#pragma once
 
 #include "l_metadata.h"
 #include "lua_api/l_base.h"
@@ -59,5 +58,3 @@ public:
 	static StorageRef *checkobject(lua_State *L, int narg);
 	static ModMetadata *getobject(StorageRef *ref);
 };
-
-#endif /* __L_STORAGE_H__ */
diff --git a/src/script/lua_api/l_util.h b/src/script/lua_api/l_util.h
index b75d9db29..b7aafe8d5 100644
--- a/src/script/lua_api/l_util.h
+++ b/src/script/lua_api/l_util.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_UTIL_H_
-#define L_UTIL_H_
+#pragma once
 
 #include "lua_api/l_base.h"
 
@@ -100,5 +99,3 @@ public:
 
 	static void InitializeAsync(AsyncEngine &engine);
 };
-
-#endif /* L_UTIL_H_ */
diff --git a/src/script/lua_api/l_vmanip.h b/src/script/lua_api/l_vmanip.h
index e706f3727..15ab9eef8 100644
--- a/src/script/lua_api/l_vmanip.h
+++ b/src/script/lua_api/l_vmanip.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef L_VMANIP_H_
-#define L_VMANIP_H_
+#pragma once
 
 #include <map>
 #include "irr_v3d.h"
@@ -80,5 +79,3 @@ public:
 
 	static void Register(lua_State *L);
 };
-
-#endif /* L_VMANIP_H_ */
diff --git a/src/script/scripting_client.h b/src/script/scripting_client.h
index 822bff773..721bb2b05 100644
--- a/src/script/scripting_client.h
+++ b/src/script/scripting_client.h
@@ -18,8 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef CLIENT_SCRIPTING_H_
-#define CLIENT_SCRIPTING_H_
+#pragma once
 
 #include "cpp_api/s_base.h"
 #include "cpp_api/s_client.h"
@@ -41,4 +40,3 @@ public:
 private:
 	virtual void InitializeModApi(lua_State *L, int top);
 };
-#endif
diff --git a/src/script/scripting_mainmenu.h b/src/script/scripting_mainmenu.h
index 8e251af03..9e23bdc1b 100644
--- a/src/script/scripting_mainmenu.h
+++ b/src/script/scripting_mainmenu.h
@@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef SCRIPTING_MAINMENU_H_
-#define SCRIPTING_MAINMENU_H_
+#pragma once
 
 #include "cpp_api/s_base.h"
 #include "cpp_api/s_mainmenu.h"
@@ -47,6 +46,3 @@ private:
 
 	AsyncEngine asyncEngine;
 };
-
-
-#endif /* SCRIPTING_MAINMENU_H_ */
diff --git a/src/script/scripting_server.h b/src/script/scripting_server.h
index fd97ea40b..b549a1bc9 100644
--- a/src/script/scripting_server.h
+++ b/src/script/scripting_server.h
@@ -17,9 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef SERVER_SCRIPTING_H_
-#define SERVER_SCRIPTING_H_
-
+#pragma once
 #include "cpp_api/s_base.h"
 #include "cpp_api/s_entity.h"
 #include "cpp_api/s_env.h"
@@ -53,5 +51,3 @@ private:
 };
 
 void log_deprecated(const std::string &message);
-
-#endif /* SCRIPTING_GAME_H_ */