// place_schematic(p, schematic, rotation)
int ModApiBasic::l_place_schematic(lua_State *L)
{
DecoSchematic dschem;
Map *map = &(getEnv(L)->getMap());
INodeDefManager *ndef = getServer(L)->getNodeDefManager();
v3s16 p = read_v3s16(L, 1);
if (!read_schematic(L, 2, &dschem, getServer(L)))
return 0;
Rotation rot = ROTATE_0;
if (lua_isstring(L, 3))
string_to_enum(es_Rotation, (int &)rot, std::string(lua_tostring(L, 3)));
dschem.rotation = rot;
if (!dschem.filename.empty()) {
if (!dschem.loadSchematicFile()) {
errorstream << "place_schematic: failed to load schematic file '"
<< dschem.filename << "'" << std::endl;
return 0;
}
dschem.resolveNodeNames(ndef);
}
dschem.placeStructure(map, p);
return 1;
}
// create_schematic(p1, p2, probability_list, filename)
int ModApiMapgen::l_create_schematic(lua_State *L)
{
DecoSchematic dschem;
Map *map = &(getEnv(L)->getMap());
INodeDefManager *ndef = getServer(L)->getNodeDefManager();
v3s16 p1 = read_v3s16(L, 1);
v3s16 p2 = read_v3s16(L, 2);
sortBoxVerticies(p1, p2);
std::vector<std::pair<v3s16, u8> > prob_list;
if (lua_istable(L, 3)) {
lua_pushnil(L);
while (lua_next(L, 3)) {
if (lua_istable(L, -1)) {
lua_getfield(L, -1, "pos");
v3s16 pos = read_v3s16(L, -1);
lua_pop(L, 1);
u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
prob_list.push_back(std::make_pair(pos, prob));
}
lua_pop(L, 1);
}
}
std::vector<std::pair<s16, u8> > slice_prob_list;
if (lua_istable(L, 5)) {
lua_pushnil(L);
while (lua_next(L, 5)) {
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));
}
lua_pop(L, 1);
}
}
const char *s = lua_tostring(L, 4);
dschem.filename = std::string(s ? s : "");
if (!dschem.getSchematicFromMap(map, p1, p2)) {
errorstream << "create_schematic: failed to get schematic "
"from map" << std::endl;
return 0;
}
dschem.applyProbabilities(p1, &prob_list, &slice_prob_list);
dschem.saveSchematicFile(ndef);
actionstream << "create_schematic: saved schematic file '"
<< dschem.filename << "'." << std::endl;
return 1;
}
// place_schematic(p, schematic, rotation, replacement)
int ModApiMapgen::l_place_schematic(lua_State *L)
{
DecoSchematic dschem;
Map *map = &(getEnv(L)->getMap());
INodeDefManager *ndef = getServer(L)->getNodeDefManager();
v3s16 p = read_v3s16(L, 1);
if (!read_schematic(L, 2, &dschem, getServer(L)))
return 0;
int rot = ROTATE_0;
if (lua_isstring(L, 3))
string_to_enum(es_Rotation, rot, std::string(lua_tostring(L, 3)));
dschem.rotation = (Rotation)rot;
if (lua_istable(L, 4)) {
lua_pushnil(L);
while (lua_next(L, 4) != 0) {
// key at index -2 and value at index -1
lua_rawgeti(L, -1, 1);
std::string replace_from = lua_tostring(L, -1);
lua_pop(L, 1);
lua_rawgeti(L, -1, 2);
std::string replace_to = lua_tostring(L, -1);
lua_pop(L, 1);
dschem.replacements[replace_from] = replace_to;
// removes value, keeps key for next iteration
lua_pop(L, 1);
}
}
bool force_placement = true;
if (lua_isboolean(L, 5))
force_placement = lua_toboolean(L, 5);
if (!dschem.filename.empty()) {
if (!dschem.loadSchematicFile()) {
errorstream << "place_schematic: failed to load schematic file '"
<< dschem.filename << "'" << std::endl;
return 0;
}
dschem.resolveNodeNames(ndef);
}
dschem.placeStructure(map, p, force_placement);
return 1;
}
// create_schematic(p1, p2, probability_list, filename)
int ModApiBasic::l_create_schematic(lua_State *L)
{
DecoSchematic dschem;
Map *map = &(getEnv(L)->getMap());
INodeDefManager *ndef = getServer(L)->getNodeDefManager();
v3s16 p1 = read_v3s16(L, 1);
v3s16 p2 = read_v3s16(L, 2);
sortBoxVerticies(p1, p2);
std::vector<std::pair<v3s16, s16> > probability_list;
if (lua_istable(L, 3)) {
lua_pushnil(L);
while (lua_next(L, 3)) {
if (lua_istable(L, -1)) {
lua_getfield(L, -1, "pos");
v3s16 pos = read_v3s16(L, -1);
lua_pop(L, 1);
s16 prob = getintfield_default(L, -1, "prob", 0);
if (prob < -1 || prob >= UCHAR_MAX) {
errorstream << "create_schematic: probability value of "
<< prob << " at " << PP(pos) << " out of range" << std::endl;
} else {
probability_list.push_back(std::make_pair(pos, prob));
}
}
lua_pop(L, 1);
}
}
dschem.filename = std::string(lua_tostring(L, 4));
if (!dschem.getSchematicFromMap(map, p1, p2)) {
errorstream << "create_schematic: failed to get schematic "
"from map" << std::endl;
return 0;
}
dschem.applyProbabilities(&probability_list, p1);
dschem.saveSchematicFile(ndef);
actionstream << "create_schematic: saved schematic file '"
<< dschem.filename << "'." << std::endl;
return 1;
}
// register_decoration({lots of stuff})
int ModApiMapgen::l_register_decoration(lua_State *L)
{
int index = 1;
luaL_checktype(L, index, LUA_TTABLE);
EmergeManager *emerge = getServer(L)->getEmergeManager();
BiomeDefManager *bdef = emerge->biomedef;
enum DecorationType decotype = (DecorationType)getenumfield(L, index,
"deco_type", es_DecorationType, -1);
if (decotype == -1) {
errorstream << "register_decoration: unrecognized "
"decoration placement type";
return 0;
}
Decoration *deco = createDecoration(decotype);
if (!deco) {
errorstream << "register_decoration: decoration placement type "
<< decotype << " not implemented";
return 0;
}
deco->c_place_on = CONTENT_IGNORE;
deco->place_on_name = getstringfield_default(L, index, "place_on", "ignore");
deco->fill_ratio = getfloatfield_default(L, index, "fill_ratio", 0.02);
deco->sidelen = getintfield_default(L, index, "sidelen", 8);
if (deco->sidelen <= 0) {
errorstream << "register_decoration: sidelen must be "
"greater than 0" << std::endl;
delete deco;
return 0;
}
lua_getfield(L, index, "noise_params");
deco->np = read_noiseparams(L, -1);
lua_pop(L, 1);
lua_getfield(L, index, "biomes");
if (lua_istable(L, -1)) {
lua_pushnil(L);
while (lua_next(L, -2)) {
const char *s = lua_tostring(L, -1);
u8 biomeid = bdef->getBiomeIdByName(s);
if (biomeid)
deco->biomes.insert(biomeid);
lua_pop(L, 1);
}
lua_pop(L, 1);
}
switch (decotype) {
case DECO_SIMPLE: {
DecoSimple *dsimple = (DecoSimple *)deco;
dsimple->c_deco = CONTENT_IGNORE;
dsimple->c_spawnby = CONTENT_IGNORE;
dsimple->spawnby_name = getstringfield_default(L, index, "spawn_by", "air");
dsimple->deco_height = getintfield_default(L, index, "height", 1);
dsimple->deco_height_max = getintfield_default(L, index, "height_max", 0);
dsimple->nspawnby = getintfield_default(L, index, "num_spawn_by", -1);
lua_getfield(L, index, "decoration");
if (lua_istable(L, -1)) {
lua_pushnil(L);
while (lua_next(L, -2)) {
const char *s = lua_tostring(L, -1);
std::string str(s);
dsimple->decolist_names.push_back(str);
lua_pop(L, 1);
}
} else if (lua_isstring(L, -1)) {
dsimple->deco_name = std::string(lua_tostring(L, -1));
} else {
dsimple->deco_name = std::string("air");
}
lua_pop(L, 1);
if (dsimple->deco_height <= 0) {
errorstream << "register_decoration: simple decoration height"
" must be greater than 0" << std::endl;
delete dsimple;
return 0;
}
break; }
case DECO_SCHEMATIC: {
DecoSchematic *dschem = (DecoSchematic *)deco;
dschem->flags = 0;
getflagsfield(L, index, "flags", flagdesc_deco_schematic,
&dschem->flags, NULL);
dschem->rotation = (Rotation)getenumfield(L, index,
"rotation", es_Rotation, ROTATE_0);
lua_getfield(L, index, "replacements");
if (lua_istable(L, -1)) {
int i = lua_gettop(L);
lua_pushnil(L);
while (lua_next(L, i) != 0) {
// key at index -2 and value at index -1
lua_rawgeti(L, -1, 1);
std::string replace_from = lua_tostring(L, -1);
lua_pop(L, 1);
lua_rawgeti(L, -1, 2);
std::string replace_to = lua_tostring(L, -1);
lua_pop(L, 1);
dschem->replacements[replace_from] = replace_to;
// removes value, keeps key for next iteration
lua_pop(L, 1);
}
}
lua_pop(L, 1);
lua_getfield(L, index, "schematic");
if (!read_schematic(L, -1, dschem, getServer(L))) {
delete dschem;
return 0;
}
lua_pop(L, -1);
if (!dschem->filename.empty() && !dschem->loadSchematicFile()) {
errorstream << "register_decoration: failed to load schematic file '"
<< dschem->filename << "'" << std::endl;
delete dschem;
return 0;
}
break; }
case DECO_LSYSTEM: {
//DecoLSystem *decolsystem = (DecoLSystem *)deco;
break; }
}
emerge->decorations.push_back(deco);
verbosestream << "register_decoration: decoration '" << deco->getName()
<< "' registered" << std::endl;
return 0;
}
