// register_decoration({lots of stuff})
int ModApiMapgen::l_register_decoration(lua_State *L)
{
int index = 1;
luaL_checktype(L, index, LUA_TTABLE);
INodeDefManager *ndef = getServer(L)->getNodeDefManager();
DecorationManager *decomgr = getServer(L)->getEmergeManager()->decomgr;
BiomeManager *biomemgr = getServer(L)->getEmergeManager()->biomemgr;
SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
enum DecorationType decotype = (DecorationType)getenumfield(L, index,
"deco_type", es_DecorationType, -1);
Decoration *deco = decomgr->create(decotype);
if (!deco) {
errorstream << "register_decoration: decoration placement type "
<< decotype << " not implemented" << std::endl;
return 0;
}
deco->name = getstringfield_default(L, index, "name", "");
deco->fill_ratio = getfloatfield_default(L, index, "fill_ratio", 0.02);
deco->y_min = getintfield_default(L, index, "y_min", -31000);
deco->y_max = getintfield_default(L, index, "y_max", 31000);
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;
}
//// Get node name(s) to place decoration on
size_t nread = getstringlistfield(L, index, "place_on", &deco->m_nodenames);
deco->m_nnlistsizes.push_back(nread);
//// Get decoration flags
getflagsfield(L, index, "flags", flagdesc_deco, &deco->flags, NULL);
//// Get NoiseParams to define how decoration is placed
lua_getfield(L, index, "noise_params");
if (read_noiseparams(L, -1, &deco->np))
deco->flags |= DECO_USE_NOISE;
lua_pop(L, 1);
//// Get biomes associated with this decoration (if any)
lua_getfield(L, index, "biomes");
if (get_biome_list(L, -1, biomemgr, &deco->biomes))
errorstream << "register_decoration: couldn't get all biomes " << std::endl;
lua_pop(L, 1);
//// Handle decoration type-specific parameters
bool success = false;
switch (decotype) {
case DECO_SIMPLE:
success = read_deco_simple(L, (DecoSimple *)deco);
break;
case DECO_SCHEMATIC:
success = read_deco_schematic(L, schemmgr, (DecoSchematic *)deco);
break;
case DECO_LSYSTEM:
break;
}
if (!success) {
delete deco;
return 0;
}
ndef->pendNodeResolve(deco, NODE_RESOLVE_DEFERRED);
ObjDefHandle handle = decomgr->add(deco);
if (handle == OBJDEF_INVALID_HANDLE) {
delete deco;
return 0;
}
lua_pushinteger(L, handle);
return 1;
}
// register_ore({lots of stuff})
int ModApiMapgen::l_register_ore(lua_State *L)
{
int index = 1;
luaL_checktype(L, index, LUA_TTABLE);
INodeDefManager *ndef = getServer(L)->getNodeDefManager();
OreManager *oremgr = getServer(L)->getEmergeManager()->oremgr;
enum OreType oretype = (OreType)getenumfield(L, index,
"ore_type", es_OreType, ORE_SCATTER);
Ore *ore = oremgr->create(oretype);
if (!ore) {
errorstream << "register_ore: ore_type " << oretype << " not implemented";
return 0;
}
ore->name = getstringfield_default(L, index, "name", "");
ore->ore_param2 = (u8)getintfield_default(L, index, "ore_param2", 0);
ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
ore->clust_size = getintfield_default(L, index, "clust_size", 0);
ore->nthresh = getfloatfield_default(L, index, "noise_threshhold", 0);
ore->noise = NULL;
ore->flags = 0;
warn_if_field_exists(L, index, "height_min",
"Deprecated: new name is \"y_min\".");
warn_if_field_exists(L, index, "height_max",
"Deprecated: new name is \"y_max\".");
int ymin, ymax;
if (!getintfield(L, index, "y_min", ymin) &&
!getintfield(L, index, "height_min", ymin))
ymin = -31000;
if (!getintfield(L, index, "y_max", ymax) &&
!getintfield(L, index, "height_max", ymax))
ymax = 31000;
ore->y_min = ymin;
ore->y_max = ymax;
if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) {
errorstream << "register_ore: clust_scarcity and clust_num_ores"
"must be greater than 0" << std::endl;
delete ore;
return 0;
}
getflagsfield(L, index, "flags", flagdesc_ore, &ore->flags, NULL);
lua_getfield(L, index, "noise_params");
if (read_noiseparams(L, -1, &ore->np)) {
ore->flags |= OREFLAG_USE_NOISE;
} else if (ore->NEEDS_NOISE) {
errorstream << "register_ore: specified ore type requires valid "
"noise parameters" << std::endl;
delete ore;
return 0;
}
lua_pop(L, 1);
if (oretype == ORE_VEIN) {
OreVein *orevein = (OreVein *)ore;
orevein->random_factor = getfloatfield_default(L, index,
"random_factor", 1.f);
}
ObjDefHandle handle = oremgr->add(ore);
if (handle == OBJDEF_INVALID_HANDLE) {
delete ore;
return 0;
}
ore->m_nodenames.push_back(getstringfield_default(L, index, "ore", ""));
size_t nnames = getstringlistfield(L, index, "wherein", &ore->m_nodenames);
ore->m_nnlistsizes.push_back(nnames);
ndef->pendNodeResolve(ore, NODE_RESOLVE_DEFERRED);
lua_pushinteger(L, handle);
return 1;
}
// register_ore({lots of stuff})
int ModApiMapgen::l_register_ore(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
int index = 1;
luaL_checktype(L, index, LUA_TTABLE);
INodeDefManager *ndef = getServer(L)->getNodeDefManager();
BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
OreManager *oremgr = getServer(L)->getEmergeManager()->oremgr;
enum OreType oretype = (OreType)getenumfield(L, index,
"ore_type", es_OreType, ORE_SCATTER);
Ore *ore = oremgr->create(oretype);
if (!ore) {
errorstream << "register_ore: ore_type " << oretype << " not implemented\n";
return 0;
}
ore->name = getstringfield_default(L, index, "name", "");
ore->ore_param2 = (u8)getintfield_default(L, index, "ore_param2", 0);
ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
ore->clust_size = getintfield_default(L, index, "clust_size", 0);
ore->noise = NULL;
ore->flags = 0;
//// Get noise_threshold
warn_if_field_exists(L, index, "noise_threshhold",
"Deprecated: new name is \"noise_threshold\".");
float nthresh;
if (!getfloatfield(L, index, "noise_threshold", nthresh) &&
!getfloatfield(L, index, "noise_threshhold", nthresh))
nthresh = 0;
ore->nthresh = nthresh;
//// Get y_min/y_max
warn_if_field_exists(L, index, "height_min",
"Deprecated: new name is \"y_min\".");
warn_if_field_exists(L, index, "height_max",
"Deprecated: new name is \"y_max\".");
int ymin, ymax;
if (!getintfield(L, index, "y_min", ymin) &&
!getintfield(L, index, "height_min", ymin))
ymin = -31000;
if (!getintfield(L, index, "y_max", ymax) &&
!getintfield(L, index, "height_max", ymax))
ymax = 31000;
ore->y_min = ymin;
ore->y_max = ymax;
if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) {
errorstream << "register_ore: clust_scarcity and clust_num_ores"
"must be greater than 0" << std::endl;
delete ore;
return 0;
}
//// Get flags
getflagsfield(L, index, "flags", flagdesc_ore, &ore->flags, NULL);
//// Get biomes associated with this decoration (if any)
lua_getfield(L, index, "biomes");
if (get_biome_list(L, -1, bmgr, &ore->biomes))
errorstream << "register_ore: couldn't get all biomes " << std::endl;
lua_pop(L, 1);
//// Get noise parameters if needed
lua_getfield(L, index, "noise_params");
if (read_noiseparams(L, -1, &ore->np)) {
ore->flags |= OREFLAG_USE_NOISE;
} else if (ore->NEEDS_NOISE) {
errorstream << "register_ore: specified ore type requires valid "
"noise parameters" << std::endl;
delete ore;
return 0;
}
lua_pop(L, 1);
//// Get type-specific parameters
switch (oretype) {
case ORE_SHEET: {
OreSheet *oresheet = (OreSheet *)ore;
oresheet->column_height_min = getintfield_default(L, index,
"column_height_min", 1);
oresheet->column_height_max = getintfield_default(L, index,
"column_height_max", ore->clust_size);
oresheet->column_midpoint_factor = getfloatfield_default(L, index,
"column_midpoint_factor", 0.5f);
break;
}
case ORE_PUFF: {
OrePuff *orepuff = (OrePuff *)ore;
lua_getfield(L, index, "np_puff_top");
read_noiseparams(L, -1, &orepuff->np_puff_top);
lua_pop(L, 1);
lua_getfield(L, index, "np_puff_bottom");
read_noiseparams(L, -1, &orepuff->np_puff_bottom);
lua_pop(L, 1);
break;
}
case ORE_VEIN: {
OreVein *orevein = (OreVein *)ore;
orevein->random_factor = getfloatfield_default(L, index,
"random_factor", 1.f);
break;
}
default:
break;
}
ObjDefHandle handle = oremgr->add(ore);
if (handle == OBJDEF_INVALID_HANDLE) {
delete ore;
return 0;
}
ore->m_nodenames.push_back(getstringfield_default(L, index, "ore", ""));
size_t nnames = getstringlistfield(L, index, "wherein", &ore->m_nodenames);
ore->m_nnlistsizes.push_back(nnames);
ndef->pendNodeResolve(ore);
lua_pushinteger(L, handle);
return 1;
}
