Schematic *get_or_load_schematic(lua_State *L, int index,
SchematicManager *schemmgr, StringMap *replace_names,
bool register_on_load,
NodeResolveMethod resolve_method)
{
if (index < 0)
index = lua_gettop(L) + 1 + index;
Schematic *schem = (Schematic *)get_objdef(L, index, schemmgr);
if (schem)
return schem;
schem = load_schematic(L, index, schemmgr->getNodeDef(),
replace_names, resolve_method);
if (!schem)
return NULL;
if (!register_on_load)
return schem;
if (schemmgr->add(schem) == OBJDEF_INVALID_HANDLE) {
delete schem;
return NULL;
}
return schem;
}
// serialize_schematic(schematic, format, options={...})
int ModApiMapgen::l_serialize_schematic(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
//// Read options
bool use_comments = getboolfield_default(L, 3, "lua_use_comments", false);
u32 indent_spaces = getintfield_default(L, 3, "lua_num_indent_spaces", 0);
//// Get schematic
bool was_loaded = false;
Schematic *schem = (Schematic *)get_objdef(L, 1, schemmgr);
if (!schem) {
schem = load_schematic(L, 1, NULL, NULL);
was_loaded = true;
}
if (!schem) {
errorstream << "serialize_schematic: failed to get schematic" << std::endl;
return 0;
}
//// Read format of definition to save as
int schem_format = SCHEM_FMT_MTS;
const char *enumstr = lua_tostring(L, 2);
if (enumstr)
string_to_enum(es_SchematicFormatType, schem_format, std::string(enumstr));
//// Serialize to binary string
std::ostringstream os(std::ios_base::binary);
switch (schem_format) {
case SCHEM_FMT_MTS:
schem->serializeToMts(&os, schem->m_nodenames);
break;
case SCHEM_FMT_LUA:
schem->serializeToLua(&os, schem->m_nodenames,
use_comments, indent_spaces);
break;
default:
return 0;
}
if (was_loaded)
delete schem;
std::string ser = os.str();
lua_pushlstring(L, ser.c_str(), ser.length());
return 1;
}
Biome *get_or_load_biome(lua_State *L, int index, BiomeManager *biomemgr)
{
if (index < 0)
index = lua_gettop(L) + 1 + index;
Biome *biome = (Biome *)get_objdef(L, index, biomemgr);
if (biome)
return biome;
biome = read_biome_def(L, index, biomemgr->getNodeDef());
if (!biome)
return NULL;
if (biomemgr->add(biome) == OBJDEF_INVALID_HANDLE) {
delete biome;
return NULL;
}
return biome;
}
