Modernize source code: last part (#6285)

* Modernize source code: last par

* Use empty when needed
* Use emplace_back instead of push_back when needed
* For range-based loops
* Initializers fixes
* constructors, destructors default
* c++ C stl includes

1 files changed, 4 insertions, 5 deletions

diff --git a/src/script/lua_api/l_mapgen.cpp b/src/script/lua_api/l_mapgen.cpp
index 454e8f719..a5e122ddb 100644
--- a/src/script/lua_api/l_mapgen.cpp
+++ b/src/script/lua_api/l_mapgen.cpp
@@ -847,9 +847,8 @@ int ModApiMapgen::l_get_gen_notify(lua_State *L)
 
 	lua_newtable(L);
 	int i = 1;
-	for (std::set<u32>::iterator it = emerge->gen_notify_on_deco_ids.begin();
-			it != emerge->gen_notify_on_deco_ids.end(); ++it) {
-		lua_pushnumber(L, *it);
+	for (u32 gen_notify_on_deco_id : emerge->gen_notify_on_deco_ids) {
+		lua_pushnumber(L, gen_notify_on_deco_id);
 		lua_rawseti(L, -2, i);
 		i++;
 	}
@@ -1322,7 +1321,7 @@ int ModApiMapgen::l_create_schematic(lua_State *L)
 				lua_pop(L, 1);
 
 				u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
-				prob_list.push_back(std::make_pair(pos, prob));
+				prob_list.emplace_back(pos, prob);
 			}
 
 			lua_pop(L, 1);
@@ -1336,7 +1335,7 @@ int ModApiMapgen::l_create_schematic(lua_State *L)
 			if (lua_istable(L, -1)) {
 				s16 ypos = getintfield_default(L, -1, "ypos", 0);
 				u8 prob  = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
-				slice_prob_list.push_back(std::make_pair(ypos, prob));
+				slice_prob_list.emplace_back(ypos, prob);
 			}
 
 			lua_pop(L, 1);