Add minetest.get_player_window_information() (#12367)

src/script/lua_api/l_mainmenu.cpp

@@ -40,6 +40,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "network/networkprotocol.h"
 #include "content/mod_configuration.h"
 #include "threading/mutex_auto_lock.h"
+#include "common/c_converter.h"
 
 /******************************************************************************/
 std::string ModApiMainMenu::getTextData(lua_State *L, std::string name)
@@ -922,26 +923,40 @@ int ModApiMainMenu::l_gettext(lua_State *L)
 }
 
 /******************************************************************************/
-int ModApiMainMenu::l_get_screen_info(lua_State *L)
+int ModApiMainMenu::l_get_window_info(lua_State *L)
 {
 	lua_newtable(L);
 	int top = lua_gettop(L);
-	lua_pushstring(L,"density");
-	lua_pushnumber(L,RenderingEngine::getDisplayDensity());
-	lua_settable(L, top);
 
 	const v2u32 &window_size = RenderingEngine::getWindowSize();
-	lua_pushstring(L,"window_width");
-	lua_pushnumber(L, window_size.X);
+	f32 density = RenderingEngine::getDisplayDensity();
+	f32 gui_scaling = g_settings->getFloat("gui_scaling") * density;
+	f32 hud_scaling = g_settings->getFloat("hud_scaling") * density;
+
+	lua_pushstring(L, "size");
+	push_v2u32(L, window_size);
 	lua_settable(L, top);
 
-	lua_pushstring(L,"window_height");
-	lua_pushnumber(L, window_size.Y);
+	lua_pushstring(L, "max_formspec_size");
+	push_v2f(L, ClientDynamicInfo::calculateMaxFSSize(window_size));
 	lua_settable(L, top);
 
-	lua_pushstring(L, "render_info");
+	lua_pushstring(L, "real_gui_scaling");
+	lua_pushnumber(L, gui_scaling);
+	lua_settable(L, top);
+
+	lua_pushstring(L, "real_hud_scaling");
+	lua_pushnumber(L, hud_scaling);
+	lua_settable(L, top);
+
+	return 1;
+}
+
+/******************************************************************************/
+
+int ModApiMainMenu::l_get_active_renderer(lua_State *L)
+{
 	lua_pushstring(L, wide_to_utf8(RenderingEngine::get_video_driver()->getName()).c_str());
-	lua_settable(L, top);
 	return 1;
 }
 
@@ -1086,7 +1101,8 @@ void ModApiMainMenu::Initialize(lua_State *L, int top)
 	API_FCT(download_file);
 	API_FCT(gettext);
 	API_FCT(get_video_drivers);
-	API_FCT(get_screen_info);
+	API_FCT(get_window_info);
+	API_FCT(get_active_renderer);
 	API_FCT(get_min_supp_proto);
 	API_FCT(get_max_supp_proto);
 	API_FCT(open_url);

src/script/lua_api/l_mainmenu.h

@@ -104,7 +104,9 @@ private:
 
 	static int l_set_formspec_prepend(lua_State *L);
 
-	static int l_get_screen_info(lua_State *L);
+	static int l_get_window_info(lua_State *L);
+
+	static int l_get_active_renderer(lua_State *L);
 
 	//filesystem
 

src/script/lua_api/l_server.cpp

@@ -269,6 +269,44 @@ int ModApiServer::l_get_player_information(lua_State *L)
 	return 1;
 }
 
+// get_player_window_information(name)
+int ModApiServer::l_get_player_window_information(lua_State *L)
+{
+	NO_MAP_LOCK_REQUIRED;
+
+	Server *server = getServer(L);
+
+	const char *name = luaL_checkstring(L, 1);
+	RemotePlayer *player = server->getEnv().getPlayer(name);
+	if (!player)
+		return 0;
+
+	auto dynamic = server->getClientDynamicInfo(player->getPeerId());
+
+	if (!dynamic || dynamic->render_target_size == v2u32())
+		return 0;
+
+	lua_newtable(L);
+	int dyn_table = lua_gettop(L);
+
+	lua_pushstring(L, "size");
+	push_v2u32(L, dynamic->render_target_size);
+	lua_settable(L, dyn_table);
+
+	lua_pushstring(L, "max_formspec_size");
+	push_v2f(L, dynamic->max_fs_size);
+	lua_settable(L, dyn_table);
+
+	lua_pushstring(L, "real_gui_scaling");
+	lua_pushnumber(L, dynamic->real_gui_scaling);
+	lua_settable(L, dyn_table);
+
+	lua_pushstring(L, "real_hud_scaling");
+	lua_pushnumber(L, dynamic->real_hud_scaling);
+	lua_settable(L, dyn_table);
+	return 1;
+}
+
 // get_ban_list()
 int ModApiServer::l_get_ban_list(lua_State *L)
 {
@@ -635,6 +673,7 @@ void ModApiServer::Initialize(lua_State *L, int top)
 	API_FCT(dynamic_add_media);
 
 	API_FCT(get_player_information);
+	API_FCT(get_player_window_information);
 	API_FCT(get_player_privs);
 	API_FCT(get_player_ip);
 	API_FCT(get_ban_list);

src/script/lua_api/l_server.h

@@ -88,6 +88,9 @@ private:
 	// get_player_information(name)
 	static int l_get_player_information(lua_State *L);
 
+	// get_player_window_information(name)
+	static int l_get_player_window_information(lua_State *L);
+
 	// get_ban_list()
 	static int l_get_ban_list(lua_State *L);