Modernize lua read (part 2 & 3): C++ templating assurance (#7410)

* Modernize lua read (part 2 & 3): C++ templating assurance

Implement the boolean reader
Implement the string reader
Also remove unused & unimplemented script_error_handler
Add a reader with default value

1 files changed, 2 insertions, 2 deletions

diff --git a/src/script/lua_api/l_areastore.cpp b/src/script/lua_api/l_areastore.cpp
index 1e30e704e..d53d74aa8 100644
--- a/src/script/lua_api/l_areastore.cpp
+++ b/src/script/lua_api/l_areastore.cpp
@@ -156,7 +156,7 @@ int LuaAreaStore::l_get_areas_in_area(lua_State *L)
 	bool include_data = false;
 	bool accept_overlap = false;
 	if (lua_isboolean(L, 4)) {
-		accept_overlap = lua_toboolean(L, 4);
+		accept_overlap = readParam<bool>(L, 4);
 		get_data_and_border_flags(L, 5, &include_borders, &include_data);
 	}
 	std::vector<Area *> res;
@@ -328,7 +328,7 @@ int LuaAreaStore::create_object(lua_State *L)
 	NO_MAP_LOCK_REQUIRED;
 
 	LuaAreaStore *o = (lua_isstring(L, 1)) ?
-		new LuaAreaStore(lua_tostring(L, 1)) :
+		new LuaAreaStore(readParam<std::string>(L, 1)) :
 		new LuaAreaStore();
 
 	*(void **)(lua_newuserdata(L, sizeof(void *))) = o;