From 1d25d1f7ad35f739e8a64c2bdb44105998aed19b Mon Sep 17 00:00:00 2001
From: hecks <42101236+hecktest@users.noreply.github.com>
Date: Sun, 11 Jul 2021 09:50:34 +0200
Subject: Refactor video driver name retrieval (#11413)

Co-authored-by: hecktest <>
---
 src/client/renderingengine.cpp    | 29 ++++++++---------------------
 src/client/renderingengine.h      |  7 +++++--
 src/script/lua_api/l_mainmenu.cpp |  7 +++----
 3 files changed, 16 insertions(+), 27 deletions(-)

(limited to 'src')

diff --git a/src/client/renderingengine.cpp b/src/client/renderingengine.cpp
index 558a9dd7a..037ede074 100644
--- a/src/client/renderingengine.cpp
+++ b/src/client/renderingengine.cpp
@@ -105,7 +105,7 @@ RenderingEngine::RenderingEngine(IEventReceiver *receiver)
 	u32 i;
 	for (i = 0; i != drivers.size(); i++) {
 		if (!strcasecmp(driverstring.c_str(),
-				RenderingEngine::getVideoDriverName(drivers[i]))) {
+				RenderingEngine::getVideoDriverInfo(drivers[i]).name.c_str())) {
 			driverType = drivers[i];
 			break;
 		}
@@ -555,28 +555,15 @@ void RenderingEngine::draw_scene(video::SColor skycolor, bool show_hud,
 	core->draw(skycolor, show_hud, show_minimap, draw_wield_tool, draw_crosshair);
 }
 
-const char *RenderingEngine::getVideoDriverName(irr::video::E_DRIVER_TYPE type)
+const VideoDriverInfo &RenderingEngine::getVideoDriverInfo(irr::video::E_DRIVER_TYPE type)
 {
-	static const std::unordered_map<irr::video::E_DRIVER_TYPE,const std::string> driver_ids = {
-		{irr::video::EDT_NULL, "null"},
-		{irr::video::EDT_OPENGL, "opengl"},
-		{irr::video::EDT_OGLES1, "ogles1"},
-		{irr::video::EDT_OGLES2, "ogles2"},
+	static const std::unordered_map<irr::video::E_DRIVER_TYPE,VideoDriverInfo> driver_info_map = {
+		{irr::video::EDT_NULL, {"null", "NULL Driver"}},
+		{irr::video::EDT_OPENGL, {"opengl", "OpenGL"}},
+		{irr::video::EDT_OGLES1, {"ogles1", "OpenGL ES1"}},
+		{irr::video::EDT_OGLES2, {"ogles2", "OpenGL ES2"}},
 	};
-
-	return driver_ids.at(type).c_str();
-}
-
-const char *RenderingEngine::getVideoDriverFriendlyName(irr::video::E_DRIVER_TYPE type)
-{
-	static const std::unordered_map<irr::video::E_DRIVER_TYPE,const std::string> driver_names = {
-		{irr::video::EDT_NULL, "NULL Driver"},
-		{irr::video::EDT_OPENGL, "OpenGL"},
-		{irr::video::EDT_OGLES1, "OpenGL ES1"},
-		{irr::video::EDT_OGLES2, "OpenGL ES2"},
-	};
-
-	return driver_names.at(type).c_str();
+	return driver_info_map.at(type);
 }
 
 #ifndef __ANDROID__
diff --git a/src/client/renderingengine.h b/src/client/renderingengine.h
index 5299222e2..6f104bba9 100644
--- a/src/client/renderingengine.h
+++ b/src/client/renderingengine.h
@@ -29,6 +29,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 // include the shadow mapper classes too
 #include "client/shadows/dynamicshadowsrender.h"
 
+struct VideoDriverInfo {
+	std::string name;
+	std::string friendly_name;
+};
 
 class ITextureSource;
 class Camera;
@@ -49,8 +53,7 @@ public:
 
 	video::IVideoDriver *getVideoDriver() { return driver; }
 
-	static const char *getVideoDriverName(irr::video::E_DRIVER_TYPE type);
-	static const char *getVideoDriverFriendlyName(irr::video::E_DRIVER_TYPE type);
+	static const VideoDriverInfo &getVideoDriverInfo(irr::video::E_DRIVER_TYPE type);
 	static float getDisplayDensity();
 	static v2u32 getDisplaySize();
 
diff --git a/src/script/lua_api/l_mainmenu.cpp b/src/script/lua_api/l_mainmenu.cpp
index 788557460..ad00de1c4 100644
--- a/src/script/lua_api/l_mainmenu.cpp
+++ b/src/script/lua_api/l_mainmenu.cpp
@@ -737,13 +737,12 @@ int ModApiMainMenu::l_get_video_drivers(lua_State *L)
 
 	lua_newtable(L);
 	for (u32 i = 0; i != drivers.size(); i++) {
-		const char *name  = RenderingEngine::getVideoDriverName(drivers[i]);
-		const char *fname = RenderingEngine::getVideoDriverFriendlyName(drivers[i]);
+		auto &info = RenderingEngine::getVideoDriverInfo(drivers[i]);
 
 		lua_newtable(L);
-		lua_pushstring(L, name);
+		lua_pushstring(L, info.name.c_str());
 		lua_setfield(L, -2, "name");
-		lua_pushstring(L, fname);
+		lua_pushstring(L, info.friendly_name.c_str());
 		lua_setfield(L, -2, "friendly_name");
 
 		lua_rawseti(L, -2, i + 1);
-- 
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