Make MetaDataRef:get return nil instead of nothing (#11666)

TurkeyMcMac · web-flow · commit 5aa95fef102d · 2021-10-05T15:38:33.000+03:00
diff --git a/src/script/lua_api/l_metadata.cpp b/src/script/lua_api/l_metadata.cpp
@@ -82,9 +82,10 @@ int MetaDataRef::l_get(lua_State *L)
 	std::string str;
 	if (meta->getStringToRef(name, str)) {
 		lua_pushlstring(L, str.c_str(), str.size());
-		return 1;
+	} else {
+		lua_pushnil(L);
 	}
-	return 0;
+	return 1;
 }
 
 // get_string(self, name)

Original file line number	Diff line number	Diff line change
`@@ -82,9 +82,10 @@ int MetaDataRef::l_get(lua_State *L)`
`82`	`82`	`std::string str;`
`83`	`83`	`if (meta->getStringToRef(name, str)) {`
`84`	`84`	`lua_pushlstring(L, str.c_str(), str.size());`
`85`		`- return 1;`
	`85`	`+ } else {`
	`86`	`+ lua_pushnil(L);`
`86`	`87`	`}`
`87`		`- return 0;`
	`88`	`+ return 1;`
`88`	`89`	`}`
`89`	`90`
`90`	`91`	`// get_string(self, name)`