3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #include "lua_api/l_mapgen.h"
21 #include "lua_api/l_internal.h"
22 #include "lua_api/l_vmanip.h"
23 #include "common/c_converter.h"
24 #include "common/c_content.h"
25 #include "cpp_api/s_security.h"
26 #include "util/serialize.h"
28 #include "environment.h"
30 #include "mapgen/mg_biome.h"
31 #include "mapgen/mg_ore.h"
32 #include "mapgen/mg_decoration.h"
33 #include "mapgen/mg_schematic.h"
34 #include "mapgen/mapgen_v5.h"
35 #include "mapgen/mapgen_v7.h"
40 struct EnumString ModApiMapgen::es_BiomeTerrainType[] =
42 {BIOMETYPE_NORMAL, "normal"},
46 struct EnumString ModApiMapgen::es_DecorationType[] =
48 {DECO_SIMPLE, "simple"},
49 {DECO_SCHEMATIC, "schematic"},
50 {DECO_LSYSTEM, "lsystem"},
54 struct EnumString ModApiMapgen::es_MapgenObject[] =
56 {MGOBJ_VMANIP, "voxelmanip"},
57 {MGOBJ_HEIGHTMAP, "heightmap"},
58 {MGOBJ_BIOMEMAP, "biomemap"},
59 {MGOBJ_HEATMAP, "heatmap"},
60 {MGOBJ_HUMIDMAP, "humiditymap"},
61 {MGOBJ_GENNOTIFY, "gennotify"},
65 struct EnumString ModApiMapgen::es_OreType[] =
67 {ORE_SCATTER, "scatter"},
72 {ORE_STRATUM, "stratum"},
76 struct EnumString ModApiMapgen::es_Rotation[] =
82 {ROTATE_RAND, "random"},
86 struct EnumString ModApiMapgen::es_SchematicFormatType[] =
88 {SCHEM_FMT_HANDLE, "handle"},
89 {SCHEM_FMT_MTS, "mts"},
90 {SCHEM_FMT_LUA, "lua"},
94 ObjDef *get_objdef(lua_State *L, int index, ObjDefManager *objmgr);
96 Biome *get_or_load_biome(lua_State *L, int index,
97 BiomeManager *biomemgr);
98 Biome *read_biome_def(lua_State *L, int index, const NodeDefManager *ndef);
99 size_t get_biome_list(lua_State *L, int index,
100 BiomeManager *biomemgr, std::unordered_set<u8> *biome_id_list);
102 Schematic *get_or_load_schematic(lua_State *L, int index,
103 SchematicManager *schemmgr, StringMap *replace_names);
104 Schematic *load_schematic(lua_State *L, int index, const NodeDefManager *ndef,
105 StringMap *replace_names);
106 Schematic *load_schematic_from_def(lua_State *L, int index,
107 const NodeDefManager *ndef, StringMap *replace_names);
108 bool read_schematic_def(lua_State *L, int index,
109 Schematic *schem, std::vector<std::string> *names);
111 bool read_deco_simple(lua_State *L, DecoSimple *deco);
112 bool read_deco_schematic(lua_State *L, SchematicManager *schemmgr, DecoSchematic *deco);
115 ///////////////////////////////////////////////////////////////////////////////
117 ObjDef *get_objdef(lua_State *L, int index, ObjDefManager *objmgr)
120 index = lua_gettop(L) + 1 + index;
122 // If a number, assume this is a handle to an object def
123 if (lua_isnumber(L, index))
124 return objmgr->get(lua_tointeger(L, index));
126 // If a string, assume a name is given instead
127 if (lua_isstring(L, index))
128 return objmgr->getByName(lua_tostring(L, index));
133 ///////////////////////////////////////////////////////////////////////////////
135 Schematic *get_or_load_schematic(lua_State *L, int index,
136 SchematicManager *schemmgr, StringMap *replace_names)
139 index = lua_gettop(L) + 1 + index;
141 Schematic *schem = (Schematic *)get_objdef(L, index, schemmgr);
145 schem = load_schematic(L, index, schemmgr->getNodeDef(),
150 if (schemmgr->add(schem) == OBJDEF_INVALID_HANDLE) {
159 Schematic *load_schematic(lua_State *L, int index, const NodeDefManager *ndef,
160 StringMap *replace_names)
163 index = lua_gettop(L) + 1 + index;
165 Schematic *schem = NULL;
167 if (lua_istable(L, index)) {
168 schem = load_schematic_from_def(L, index, ndef,
174 } else if (lua_isnumber(L, index)) {
176 } else if (lua_isstring(L, index)) {
177 schem = SchematicManager::create(SCHEMATIC_NORMAL);
179 std::string filepath = lua_tostring(L, index);
180 if (!fs::IsPathAbsolute(filepath))
181 filepath = ModApiBase::getCurrentModPath(L) + DIR_DELIM + filepath;
183 if (!schem->loadSchematicFromFile(filepath, ndef,
194 Schematic *load_schematic_from_def(lua_State *L, int index,
195 const NodeDefManager *ndef, StringMap *replace_names)
197 Schematic *schem = SchematicManager::create(SCHEMATIC_NORMAL);
199 if (!read_schematic_def(L, index, schem, &schem->m_nodenames)) {
204 size_t num_nodes = schem->m_nodenames.size();
206 schem->m_nnlistsizes.push_back(num_nodes);
209 for (size_t i = 0; i != num_nodes; i++) {
210 StringMap::iterator it = replace_names->find(schem->m_nodenames[i]);
211 if (it != replace_names->end())
212 schem->m_nodenames[i] = it->second;
217 ndef->pendNodeResolve(schem);
223 bool read_schematic_def(lua_State *L, int index,
224 Schematic *schem, std::vector<std::string> *names)
226 if (!lua_istable(L, index))
229 //// Get schematic size
230 lua_getfield(L, index, "size");
231 v3s16 size = check_v3s16(L, -1);
236 //// Get schematic data
237 lua_getfield(L, index, "data");
238 luaL_checktype(L, -1, LUA_TTABLE);
240 u32 numnodes = size.X * size.Y * size.Z;
241 schem->schemdata = new MapNode[numnodes];
243 size_t names_base = names->size();
244 std::unordered_map<std::string, content_t> name_id_map;
247 for (lua_pushnil(L); lua_next(L, -2); i++, lua_pop(L, 1)) {
253 if (!getstringfield(L, -1, "name", name))
254 throw LuaError("Schematic data definition with missing name field");
256 //// Read param1/prob
258 if (!getintfield(L, -1, "param1", param1) &&
259 !getintfield(L, -1, "prob", param1))
260 param1 = MTSCHEM_PROB_ALWAYS_OLD;
263 u8 param2 = getintfield_default(L, -1, "param2", 0);
265 //// Find or add new nodename-to-ID mapping
266 std::unordered_map<std::string, content_t>::iterator it = name_id_map.find(name);
267 content_t name_index;
268 if (it != name_id_map.end()) {
269 name_index = it->second;
271 name_index = names->size() - names_base;
272 name_id_map[name] = name_index;
273 names->push_back(name);
276 //// Perform probability/force_place fixup on param1
278 if (getboolfield_default(L, -1, "force_place", false))
279 param1 |= MTSCHEM_FORCE_PLACE;
281 //// Actually set the node in the schematic
282 schem->schemdata[i] = MapNode(name_index, param1, param2);
286 errorstream << "read_schematic_def: incorrect number of "
287 "nodes provided in raw schematic data (got " << i <<
288 ", expected " << numnodes << ")." << std::endl;
292 //// Get Y-slice probability values (if present)
293 schem->slice_probs = new u8[size.Y];
294 for (i = 0; i != (u32) size.Y; i++)
295 schem->slice_probs[i] = MTSCHEM_PROB_ALWAYS;
297 lua_getfield(L, index, "yslice_prob");
298 if (lua_istable(L, -1)) {
299 for (lua_pushnil(L); lua_next(L, -2); lua_pop(L, 1)) {
301 if (!getintfield(L, -1, "ypos", ypos) || (ypos >= size.Y) ||
302 !getintfield(L, -1, "prob", schem->slice_probs[ypos]))
305 schem->slice_probs[ypos] >>= 1;
313 void read_schematic_replacements(lua_State *L, int index, StringMap *replace_names)
316 index = lua_gettop(L) + 1 + index;
319 while (lua_next(L, index)) {
320 std::string replace_from;
321 std::string replace_to;
323 if (lua_istable(L, -1)) { // Old {{"x", "y"}, ...} format
324 lua_rawgeti(L, -1, 1);
325 if (!lua_isstring(L, -1))
326 throw LuaError("schematics: replace_from field is not a string");
327 replace_from = lua_tostring(L, -1);
330 lua_rawgeti(L, -1, 2);
331 if (!lua_isstring(L, -1))
332 throw LuaError("schematics: replace_to field is not a string");
333 replace_to = lua_tostring(L, -1);
335 } else { // New {x = "y", ...} format
336 if (!lua_isstring(L, -2))
337 throw LuaError("schematics: replace_from field is not a string");
338 replace_from = lua_tostring(L, -2);
339 if (!lua_isstring(L, -1))
340 throw LuaError("schematics: replace_to field is not a string");
341 replace_to = lua_tostring(L, -1);
344 replace_names->insert(std::make_pair(replace_from, replace_to));
349 ///////////////////////////////////////////////////////////////////////////////
351 Biome *get_or_load_biome(lua_State *L, int index, BiomeManager *biomemgr)
354 index = lua_gettop(L) + 1 + index;
356 Biome *biome = (Biome *)get_objdef(L, index, biomemgr);
360 biome = read_biome_def(L, index, biomemgr->getNodeDef());
364 if (biomemgr->add(biome) == OBJDEF_INVALID_HANDLE) {
373 Biome *read_biome_def(lua_State *L, int index, const NodeDefManager *ndef)
375 if (!lua_istable(L, index))
378 BiomeType biometype = (BiomeType)getenumfield(L, index, "type",
379 ModApiMapgen::es_BiomeTerrainType, BIOMETYPE_NORMAL);
380 Biome *b = BiomeManager::create(biometype);
382 b->name = getstringfield_default(L, index, "name", "");
383 b->depth_top = getintfield_default(L, index, "depth_top", 0);
384 b->depth_filler = getintfield_default(L, index, "depth_filler", -31000);
385 b->depth_water_top = getintfield_default(L, index, "depth_water_top", 0);
386 b->depth_riverbed = getintfield_default(L, index, "depth_riverbed", 0);
387 b->heat_point = getfloatfield_default(L, index, "heat_point", 0.f);
388 b->humidity_point = getfloatfield_default(L, index, "humidity_point", 0.f);
389 b->vertical_blend = getintfield_default(L, index, "vertical_blend", 0);
390 b->flags = 0; // reserved
392 b->min_pos = getv3s16field_default(
393 L, index, "min_pos", v3s16(-31000, -31000, -31000));
394 getintfield(L, index, "y_min", b->min_pos.Y);
395 b->max_pos = getv3s16field_default(
396 L, index, "max_pos", v3s16(31000, 31000, 31000));
397 getintfield(L, index, "y_max", b->max_pos.Y);
399 std::vector<std::string> &nn = b->m_nodenames;
400 nn.push_back(getstringfield_default(L, index, "node_top", ""));
401 nn.push_back(getstringfield_default(L, index, "node_filler", ""));
402 nn.push_back(getstringfield_default(L, index, "node_stone", ""));
403 nn.push_back(getstringfield_default(L, index, "node_water_top", ""));
404 nn.push_back(getstringfield_default(L, index, "node_water", ""));
405 nn.push_back(getstringfield_default(L, index, "node_river_water", ""));
406 nn.push_back(getstringfield_default(L, index, "node_riverbed", ""));
407 nn.push_back(getstringfield_default(L, index, "node_dust", ""));
408 nn.push_back(getstringfield_default(L, index, "node_cave_liquid", ""));
409 nn.push_back(getstringfield_default(L, index, "node_dungeon", ""));
410 nn.push_back(getstringfield_default(L, index, "node_dungeon_alt", ""));
411 nn.push_back(getstringfield_default(L, index, "node_dungeon_stair", ""));
412 ndef->pendNodeResolve(b);
418 size_t get_biome_list(lua_State *L, int index,
419 BiomeManager *biomemgr, std::unordered_set<u8> *biome_id_list)
422 index = lua_gettop(L) + 1 + index;
424 if (lua_isnil(L, index))
427 bool is_single = true;
428 if (lua_istable(L, index)) {
429 lua_getfield(L, index, "name");
430 is_single = !lua_isnil(L, -1);
435 Biome *biome = get_or_load_biome(L, index, biomemgr);
437 infostream << "get_biome_list: failed to get biome '"
438 << (lua_isstring(L, index) ? lua_tostring(L, index) : "")
439 << "'." << std::endl;
443 biome_id_list->insert(biome->index);
447 // returns number of failed resolutions
448 size_t fail_count = 0;
451 for (lua_pushnil(L); lua_next(L, index); lua_pop(L, 1)) {
453 Biome *biome = get_or_load_biome(L, -1, biomemgr);
456 infostream << "get_biome_list: failed to get biome '"
457 << (lua_isstring(L, -1) ? lua_tostring(L, -1) : "")
462 biome_id_list->insert(biome->index);
468 ///////////////////////////////////////////////////////////////////////////////
470 // get_biome_id(biomename)
471 // returns the biome id as used in biomemap and returned by 'get_biome_data()'
472 int ModApiMapgen::l_get_biome_id(lua_State *L)
474 NO_MAP_LOCK_REQUIRED;
476 const char *biome_str = lua_tostring(L, 1);
480 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
484 Biome *biome = (Biome *)bmgr->getByName(biome_str);
485 if (!biome || biome->index == OBJDEF_INVALID_INDEX)
488 lua_pushinteger(L, biome->index);
494 // get_biome_name(biome_id)
495 // returns the biome name string
496 int ModApiMapgen::l_get_biome_name(lua_State *L)
498 NO_MAP_LOCK_REQUIRED;
500 int biome_id = luaL_checkinteger(L, 1);
502 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
506 Biome *b = (Biome *)bmgr->getRaw(biome_id);
507 lua_pushstring(L, b->name.c_str());
514 // returns the heat at the position
515 int ModApiMapgen::l_get_heat(lua_State *L)
517 NO_MAP_LOCK_REQUIRED;
519 v3s16 pos = read_v3s16(L, 1);
522 NoiseParams np_heat_blend;
524 MapSettingsManager *settingsmgr =
525 getServer(L)->getEmergeManager()->map_settings_mgr;
527 if (!settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat",
529 !settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat_blend",
534 if (!settingsmgr->getMapSetting("seed", &value))
536 std::istringstream ss(value);
540 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
544 float heat = bmgr->getHeatAtPosOriginal(pos, np_heat, np_heat_blend, seed);
548 lua_pushnumber(L, heat);
555 // returns the humidity at the position
556 int ModApiMapgen::l_get_humidity(lua_State *L)
558 NO_MAP_LOCK_REQUIRED;
560 v3s16 pos = read_v3s16(L, 1);
562 NoiseParams np_humidity;
563 NoiseParams np_humidity_blend;
565 MapSettingsManager *settingsmgr =
566 getServer(L)->getEmergeManager()->map_settings_mgr;
568 if (!settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity",
570 !settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity_blend",
575 if (!settingsmgr->getMapSetting("seed", &value))
577 std::istringstream ss(value);
581 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
585 float humidity = bmgr->getHumidityAtPosOriginal(pos, np_humidity,
586 np_humidity_blend, seed);
590 lua_pushnumber(L, humidity);
596 // get_biome_data(pos)
597 // returns a table containing the biome id, heat and humidity at the position
598 int ModApiMapgen::l_get_biome_data(lua_State *L)
600 NO_MAP_LOCK_REQUIRED;
602 v3s16 pos = read_v3s16(L, 1);
605 NoiseParams np_heat_blend;
606 NoiseParams np_humidity;
607 NoiseParams np_humidity_blend;
609 MapSettingsManager *settingsmgr =
610 getServer(L)->getEmergeManager()->map_settings_mgr;
612 if (!settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat",
614 !settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat_blend",
616 !settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity",
618 !settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity_blend",
623 if (!settingsmgr->getMapSetting("seed", &value))
625 std::istringstream ss(value);
629 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
633 float heat = bmgr->getHeatAtPosOriginal(pos, np_heat, np_heat_blend, seed);
637 float humidity = bmgr->getHumidityAtPosOriginal(pos, np_humidity,
638 np_humidity_blend, seed);
642 Biome *biome = (Biome *)bmgr->getBiomeFromNoiseOriginal(heat, humidity, pos);
643 if (!biome || biome->index == OBJDEF_INVALID_INDEX)
648 lua_pushinteger(L, biome->index);
649 lua_setfield(L, -2, "biome");
651 lua_pushnumber(L, heat);
652 lua_setfield(L, -2, "heat");
654 lua_pushnumber(L, humidity);
655 lua_setfield(L, -2, "humidity");
661 // get_mapgen_object(objectname)
662 // returns the requested object used during map generation
663 int ModApiMapgen::l_get_mapgen_object(lua_State *L)
665 NO_MAP_LOCK_REQUIRED;
667 const char *mgobjstr = lua_tostring(L, 1);
670 if (!string_to_enum(es_MapgenObject, mgobjint, mgobjstr ? mgobjstr : ""))
673 enum MapgenObject mgobj = (MapgenObject)mgobjint;
675 EmergeManager *emerge = getServer(L)->getEmergeManager();
676 Mapgen *mg = emerge->getCurrentMapgen();
678 throw LuaError("Must only be called in a mapgen thread!");
680 size_t maplen = mg->csize.X * mg->csize.Z;
684 MMVManip *vm = mg->vm;
687 LuaVoxelManip *o = new LuaVoxelManip(vm, true);
688 *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
689 luaL_getmetatable(L, "VoxelManip");
690 lua_setmetatable(L, -2);
693 push_v3s16(L, vm->m_area.MinEdge);
696 push_v3s16(L, vm->m_area.MaxEdge);
700 case MGOBJ_HEIGHTMAP: {
705 for (size_t i = 0; i != maplen; i++) {
706 lua_pushinteger(L, mg->heightmap[i]);
707 lua_rawseti(L, -2, i + 1);
712 case MGOBJ_BIOMEMAP: {
717 for (size_t i = 0; i != maplen; i++) {
718 lua_pushinteger(L, mg->biomegen->biomemap[i]);
719 lua_rawseti(L, -2, i + 1);
724 case MGOBJ_HEATMAP: {
725 if (!mg->biomegen || mg->biomegen->getType() != BIOMEGEN_ORIGINAL)
728 BiomeGenOriginal *bg = (BiomeGenOriginal *)mg->biomegen;
731 for (size_t i = 0; i != maplen; i++) {
732 lua_pushnumber(L, bg->heatmap[i]);
733 lua_rawseti(L, -2, i + 1);
739 case MGOBJ_HUMIDMAP: {
740 if (!mg->biomegen || mg->biomegen->getType() != BIOMEGEN_ORIGINAL)
743 BiomeGenOriginal *bg = (BiomeGenOriginal *)mg->biomegen;
746 for (size_t i = 0; i != maplen; i++) {
747 lua_pushnumber(L, bg->humidmap[i]);
748 lua_rawseti(L, -2, i + 1);
753 case MGOBJ_GENNOTIFY: {
754 std::map<std::string, std::vector<v3s16> >event_map;
755 std::map<std::string, std::vector<v3s16> >::iterator it;
757 mg->gennotify.getEvents(event_map);
760 for (it = event_map.begin(); it != event_map.end(); ++it) {
763 for (size_t j = 0; j != it->second.size(); j++) {
764 push_v3s16(L, it->second[j]);
765 lua_rawseti(L, -2, j + 1);
768 lua_setfield(L, -2, it->first.c_str());
779 // get_spawn_level(x = num, z = num)
780 int ModApiMapgen::l_get_spawn_level(lua_State *L)
782 NO_MAP_LOCK_REQUIRED;
784 s16 x = luaL_checkinteger(L, 1);
785 s16 z = luaL_checkinteger(L, 2);
787 EmergeManager *emerge = getServer(L)->getEmergeManager();
788 int spawn_level = emerge->getSpawnLevelAtPoint(v2s16(x, z));
789 // Unsuitable spawn point
790 if (spawn_level == MAX_MAP_GENERATION_LIMIT)
793 // 'findSpawnPos()' in server.cpp adds at least 1
794 lua_pushinteger(L, spawn_level + 1);
800 int ModApiMapgen::l_get_mapgen_params(lua_State *L)
802 NO_MAP_LOCK_REQUIRED;
804 log_deprecated(L, "get_mapgen_params is deprecated; "
805 "use get_mapgen_setting instead");
809 MapSettingsManager *settingsmgr =
810 getServer(L)->getEmergeManager()->map_settings_mgr;
814 settingsmgr->getMapSetting("mg_name", &value);
815 lua_pushstring(L, value.c_str());
816 lua_setfield(L, -2, "mgname");
818 settingsmgr->getMapSetting("seed", &value);
819 std::istringstream ss(value);
822 lua_pushinteger(L, seed);
823 lua_setfield(L, -2, "seed");
825 settingsmgr->getMapSetting("water_level", &value);
826 lua_pushinteger(L, stoi(value, -32768, 32767));
827 lua_setfield(L, -2, "water_level");
829 settingsmgr->getMapSetting("chunksize", &value);
830 lua_pushinteger(L, stoi(value, -32768, 32767));
831 lua_setfield(L, -2, "chunksize");
833 settingsmgr->getMapSetting("mg_flags", &value);
834 lua_pushstring(L, value.c_str());
835 lua_setfield(L, -2, "flags");
841 // set_mapgen_params(params)
842 // set mapgen parameters
843 int ModApiMapgen::l_set_mapgen_params(lua_State *L)
845 NO_MAP_LOCK_REQUIRED;
847 log_deprecated(L, "set_mapgen_params is deprecated; "
848 "use set_mapgen_setting instead");
850 if (!lua_istable(L, 1))
853 MapSettingsManager *settingsmgr =
854 getServer(L)->getEmergeManager()->map_settings_mgr;
856 lua_getfield(L, 1, "mgname");
857 if (lua_isstring(L, -1))
858 settingsmgr->setMapSetting("mg_name", readParam<std::string>(L, -1), true);
860 lua_getfield(L, 1, "seed");
861 if (lua_isnumber(L, -1))
862 settingsmgr->setMapSetting("seed", readParam<std::string>(L, -1), true);
864 lua_getfield(L, 1, "water_level");
865 if (lua_isnumber(L, -1))
866 settingsmgr->setMapSetting("water_level", readParam<std::string>(L, -1), true);
868 lua_getfield(L, 1, "chunksize");
869 if (lua_isnumber(L, -1))
870 settingsmgr->setMapSetting("chunksize", readParam<std::string>(L, -1), true);
872 warn_if_field_exists(L, 1, "flagmask",
873 "Deprecated: flags field now includes unset flags.");
875 lua_getfield(L, 1, "flags");
876 if (lua_isstring(L, -1))
877 settingsmgr->setMapSetting("mg_flags", readParam<std::string>(L, -1), true);
882 // get_mapgen_setting(name)
883 int ModApiMapgen::l_get_mapgen_setting(lua_State *L)
885 NO_MAP_LOCK_REQUIRED;
888 MapSettingsManager *settingsmgr =
889 getServer(L)->getEmergeManager()->map_settings_mgr;
891 const char *name = luaL_checkstring(L, 1);
892 if (!settingsmgr->getMapSetting(name, &value))
895 lua_pushstring(L, value.c_str());
899 // get_mapgen_setting_noiseparams(name)
900 int ModApiMapgen::l_get_mapgen_setting_noiseparams(lua_State *L)
902 NO_MAP_LOCK_REQUIRED;
905 MapSettingsManager *settingsmgr =
906 getServer(L)->getEmergeManager()->map_settings_mgr;
908 const char *name = luaL_checkstring(L, 1);
909 if (!settingsmgr->getMapSettingNoiseParams(name, &np))
912 push_noiseparams(L, &np);
916 // set_mapgen_setting(name, value, override_meta)
917 // set mapgen config values
918 int ModApiMapgen::l_set_mapgen_setting(lua_State *L)
920 NO_MAP_LOCK_REQUIRED;
922 MapSettingsManager *settingsmgr =
923 getServer(L)->getEmergeManager()->map_settings_mgr;
925 const char *name = luaL_checkstring(L, 1);
926 const char *value = luaL_checkstring(L, 2);
927 bool override_meta = readParam<bool>(L, 3, false);
929 if (!settingsmgr->setMapSetting(name, value, override_meta)) {
930 errorstream << "set_mapgen_setting: cannot set '"
931 << name << "' after initialization" << std::endl;
938 // set_mapgen_setting_noiseparams(name, noiseparams, set_default)
939 // set mapgen config values for noise parameters
940 int ModApiMapgen::l_set_mapgen_setting_noiseparams(lua_State *L)
942 NO_MAP_LOCK_REQUIRED;
944 MapSettingsManager *settingsmgr =
945 getServer(L)->getEmergeManager()->map_settings_mgr;
947 const char *name = luaL_checkstring(L, 1);
950 if (!read_noiseparams(L, 2, &np)) {
951 errorstream << "set_mapgen_setting_noiseparams: cannot set '" << name
952 << "'; invalid noiseparams table" << std::endl;
956 bool override_meta = readParam<bool>(L, 3, false);
958 if (!settingsmgr->setMapSettingNoiseParams(name, &np, override_meta)) {
959 errorstream << "set_mapgen_setting_noiseparams: cannot set '"
960 << name << "' after initialization" << std::endl;
967 // set_noiseparams(name, noiseparams, set_default)
968 // set global config values for noise parameters
969 int ModApiMapgen::l_set_noiseparams(lua_State *L)
971 NO_MAP_LOCK_REQUIRED;
973 const char *name = luaL_checkstring(L, 1);
976 if (!read_noiseparams(L, 2, &np)) {
977 errorstream << "set_noiseparams: cannot set '" << name
978 << "'; invalid noiseparams table" << std::endl;
982 bool set_default = !lua_isboolean(L, 3) || readParam<bool>(L, 3);
984 g_settings->setNoiseParams(name, np, set_default);
990 // get_noiseparams(name)
991 int ModApiMapgen::l_get_noiseparams(lua_State *L)
993 NO_MAP_LOCK_REQUIRED;
995 std::string name = luaL_checkstring(L, 1);
998 if (!g_settings->getNoiseParams(name, np))
1001 push_noiseparams(L, &np);
1006 // set_gen_notify(flags, {deco_id_table})
1007 int ModApiMapgen::l_set_gen_notify(lua_State *L)
1009 NO_MAP_LOCK_REQUIRED;
1011 u32 flags = 0, flagmask = 0;
1012 EmergeManager *emerge = getServer(L)->getEmergeManager();
1014 if (read_flags(L, 1, flagdesc_gennotify, &flags, &flagmask)) {
1015 emerge->gen_notify_on &= ~flagmask;
1016 emerge->gen_notify_on |= flags;
1019 if (lua_istable(L, 2)) {
1021 while (lua_next(L, 2)) {
1022 if (lua_isnumber(L, -1))
1023 emerge->gen_notify_on_deco_ids.insert((u32)lua_tonumber(L, -1));
1033 int ModApiMapgen::l_get_gen_notify(lua_State *L)
1035 NO_MAP_LOCK_REQUIRED;
1037 EmergeManager *emerge = getServer(L)->getEmergeManager();
1038 push_flags_string(L, flagdesc_gennotify, emerge->gen_notify_on,
1039 emerge->gen_notify_on);
1043 for (u32 gen_notify_on_deco_id : emerge->gen_notify_on_deco_ids) {
1044 lua_pushnumber(L, gen_notify_on_deco_id);
1045 lua_rawseti(L, -2, i++);
1051 // get_decoration_id(decoration_name)
1052 // returns the decoration ID as used in gennotify
1053 int ModApiMapgen::l_get_decoration_id(lua_State *L)
1055 NO_MAP_LOCK_REQUIRED;
1057 const char *deco_str = luaL_checkstring(L, 1);
1061 DecorationManager *dmgr = getServer(L)->getEmergeManager()->decomgr;
1066 Decoration *deco = (Decoration *)dmgr->getByName(deco_str);
1071 lua_pushinteger(L, deco->index);
1077 // register_biome({lots of stuff})
1078 int ModApiMapgen::l_register_biome(lua_State *L)
1080 NO_MAP_LOCK_REQUIRED;
1083 luaL_checktype(L, index, LUA_TTABLE);
1085 const NodeDefManager *ndef = getServer(L)->getNodeDefManager();
1086 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
1088 Biome *biome = read_biome_def(L, index, ndef);
1092 ObjDefHandle handle = bmgr->add(biome);
1093 if (handle == OBJDEF_INVALID_HANDLE) {
1098 lua_pushinteger(L, handle);
1103 // register_decoration({lots of stuff})
1104 int ModApiMapgen::l_register_decoration(lua_State *L)
1106 NO_MAP_LOCK_REQUIRED;
1109 luaL_checktype(L, index, LUA_TTABLE);
1111 const NodeDefManager *ndef = getServer(L)->getNodeDefManager();
1112 DecorationManager *decomgr = getServer(L)->getEmergeManager()->decomgr;
1113 BiomeManager *biomemgr = getServer(L)->getEmergeManager()->biomemgr;
1114 SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
1116 enum DecorationType decotype = (DecorationType)getenumfield(L, index,
1117 "deco_type", es_DecorationType, -1);
1119 Decoration *deco = decomgr->create(decotype);
1121 errorstream << "register_decoration: decoration placement type "
1122 << decotype << " not implemented" << std::endl;
1126 deco->name = getstringfield_default(L, index, "name", "");
1127 deco->fill_ratio = getfloatfield_default(L, index, "fill_ratio", 0.02);
1128 deco->y_min = getintfield_default(L, index, "y_min", -31000);
1129 deco->y_max = getintfield_default(L, index, "y_max", 31000);
1130 deco->nspawnby = getintfield_default(L, index, "num_spawn_by", -1);
1131 deco->place_offset_y = getintfield_default(L, index, "place_offset_y", 0);
1132 deco->sidelen = getintfield_default(L, index, "sidelen", 8);
1133 if (deco->sidelen <= 0) {
1134 errorstream << "register_decoration: sidelen must be "
1135 "greater than 0" << std::endl;
1140 //// Get node name(s) to place decoration on
1141 size_t nread = getstringlistfield(L, index, "place_on", &deco->m_nodenames);
1142 deco->m_nnlistsizes.push_back(nread);
1144 //// Get decoration flags
1145 getflagsfield(L, index, "flags", flagdesc_deco, &deco->flags, NULL);
1147 //// Get NoiseParams to define how decoration is placed
1148 lua_getfield(L, index, "noise_params");
1149 if (read_noiseparams(L, -1, &deco->np))
1150 deco->flags |= DECO_USE_NOISE;
1153 //// Get biomes associated with this decoration (if any)
1154 lua_getfield(L, index, "biomes");
1155 if (get_biome_list(L, -1, biomemgr, &deco->biomes))
1156 infostream << "register_decoration: couldn't get all biomes " << std::endl;
1159 //// Get node name(s) to 'spawn by'
1160 size_t nnames = getstringlistfield(L, index, "spawn_by", &deco->m_nodenames);
1161 deco->m_nnlistsizes.push_back(nnames);
1162 if (nnames == 0 && deco->nspawnby != -1) {
1163 errorstream << "register_decoration: no spawn_by nodes defined,"
1164 " but num_spawn_by specified" << std::endl;
1167 //// Handle decoration type-specific parameters
1168 bool success = false;
1171 success = read_deco_simple(L, (DecoSimple *)deco);
1173 case DECO_SCHEMATIC:
1174 success = read_deco_schematic(L, schemmgr, (DecoSchematic *)deco);
1185 ndef->pendNodeResolve(deco);
1187 ObjDefHandle handle = decomgr->add(deco);
1188 if (handle == OBJDEF_INVALID_HANDLE) {
1193 lua_pushinteger(L, handle);
1198 bool read_deco_simple(lua_State *L, DecoSimple *deco)
1204 deco->deco_height = getintfield_default(L, index, "height", 1);
1205 deco->deco_height_max = getintfield_default(L, index, "height_max", 0);
1207 if (deco->deco_height <= 0) {
1208 errorstream << "register_decoration: simple decoration height"
1209 " must be greater than 0" << std::endl;
1213 size_t nnames = getstringlistfield(L, index, "decoration", &deco->m_nodenames);
1214 deco->m_nnlistsizes.push_back(nnames);
1217 errorstream << "register_decoration: no decoration nodes "
1218 "defined" << std::endl;
1222 param2 = getintfield_default(L, index, "param2", 0);
1223 param2_max = getintfield_default(L, index, "param2_max", 0);
1225 if (param2 < 0 || param2 > 255 || param2_max < 0 || param2_max > 255) {
1226 errorstream << "register_decoration: param2 or param2_max out of bounds (0-255)"
1231 deco->deco_param2 = (u8)param2;
1232 deco->deco_param2_max = (u8)param2_max;
1238 bool read_deco_schematic(lua_State *L, SchematicManager *schemmgr, DecoSchematic *deco)
1242 deco->rotation = (Rotation)getenumfield(L, index, "rotation",
1243 ModApiMapgen::es_Rotation, ROTATE_0);
1245 StringMap replace_names;
1246 lua_getfield(L, index, "replacements");
1247 if (lua_istable(L, -1))
1248 read_schematic_replacements(L, -1, &replace_names);
1251 lua_getfield(L, index, "schematic");
1252 Schematic *schem = get_or_load_schematic(L, -1, schemmgr, &replace_names);
1255 deco->schematic = schem;
1256 return schem != NULL;
1260 // register_ore({lots of stuff})
1261 int ModApiMapgen::l_register_ore(lua_State *L)
1263 NO_MAP_LOCK_REQUIRED;
1266 luaL_checktype(L, index, LUA_TTABLE);
1268 const NodeDefManager *ndef = getServer(L)->getNodeDefManager();
1269 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
1270 OreManager *oremgr = getServer(L)->getEmergeManager()->oremgr;
1272 enum OreType oretype = (OreType)getenumfield(L, index,
1273 "ore_type", es_OreType, ORE_SCATTER);
1274 Ore *ore = oremgr->create(oretype);
1276 errorstream << "register_ore: ore_type " << oretype << " not implemented\n";
1280 ore->name = getstringfield_default(L, index, "name", "");
1281 ore->ore_param2 = (u8)getintfield_default(L, index, "ore_param2", 0);
1282 ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
1283 ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
1284 ore->clust_size = getintfield_default(L, index, "clust_size", 0);
1288 //// Get noise_threshold
1289 warn_if_field_exists(L, index, "noise_threshhold",
1290 "Deprecated: new name is \"noise_threshold\".");
1293 if (!getfloatfield(L, index, "noise_threshold", nthresh) &&
1294 !getfloatfield(L, index, "noise_threshhold", nthresh))
1296 ore->nthresh = nthresh;
1298 //// Get y_min/y_max
1299 warn_if_field_exists(L, index, "height_min",
1300 "Deprecated: new name is \"y_min\".");
1301 warn_if_field_exists(L, index, "height_max",
1302 "Deprecated: new name is \"y_max\".");
1305 if (!getintfield(L, index, "y_min", ymin) &&
1306 !getintfield(L, index, "height_min", ymin))
1308 if (!getintfield(L, index, "y_max", ymax) &&
1309 !getintfield(L, index, "height_max", ymax))
1314 if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) {
1315 errorstream << "register_ore: clust_scarcity and clust_num_ores"
1316 "must be greater than 0" << std::endl;
1322 getflagsfield(L, index, "flags", flagdesc_ore, &ore->flags, NULL);
1324 //// Get biomes associated with this decoration (if any)
1325 lua_getfield(L, index, "biomes");
1326 if (get_biome_list(L, -1, bmgr, &ore->biomes))
1327 infostream << "register_ore: couldn't get all biomes " << std::endl;
1330 //// Get noise parameters if needed
1331 lua_getfield(L, index, "noise_params");
1332 if (read_noiseparams(L, -1, &ore->np)) {
1333 ore->flags |= OREFLAG_USE_NOISE;
1334 } else if (ore->NEEDS_NOISE) {
1335 errorstream << "register_ore: specified ore type requires valid "
1336 "'noise_params' parameter" << std::endl;
1342 //// Get type-specific parameters
1345 OreSheet *oresheet = (OreSheet *)ore;
1347 oresheet->column_height_min = getintfield_default(L, index,
1348 "column_height_min", 1);
1349 oresheet->column_height_max = getintfield_default(L, index,
1350 "column_height_max", ore->clust_size);
1351 oresheet->column_midpoint_factor = getfloatfield_default(L, index,
1352 "column_midpoint_factor", 0.5f);
1357 OrePuff *orepuff = (OrePuff *)ore;
1359 lua_getfield(L, index, "np_puff_top");
1360 read_noiseparams(L, -1, &orepuff->np_puff_top);
1363 lua_getfield(L, index, "np_puff_bottom");
1364 read_noiseparams(L, -1, &orepuff->np_puff_bottom);
1370 OreVein *orevein = (OreVein *)ore;
1372 orevein->random_factor = getfloatfield_default(L, index,
1373 "random_factor", 1.f);
1378 OreStratum *orestratum = (OreStratum *)ore;
1380 lua_getfield(L, index, "np_stratum_thickness");
1381 if (read_noiseparams(L, -1, &orestratum->np_stratum_thickness))
1382 ore->flags |= OREFLAG_USE_NOISE2;
1385 orestratum->stratum_thickness = getintfield_default(L, index,
1386 "stratum_thickness", 8);
1394 ObjDefHandle handle = oremgr->add(ore);
1395 if (handle == OBJDEF_INVALID_HANDLE) {
1400 ore->m_nodenames.push_back(getstringfield_default(L, index, "ore", ""));
1402 size_t nnames = getstringlistfield(L, index, "wherein", &ore->m_nodenames);
1403 ore->m_nnlistsizes.push_back(nnames);
1405 ndef->pendNodeResolve(ore);
1407 lua_pushinteger(L, handle);
1412 // register_schematic({schematic}, replacements={})
1413 int ModApiMapgen::l_register_schematic(lua_State *L)
1415 NO_MAP_LOCK_REQUIRED;
1417 SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
1419 StringMap replace_names;
1420 if (lua_istable(L, 2))
1421 read_schematic_replacements(L, 2, &replace_names);
1423 Schematic *schem = load_schematic(L, 1, schemmgr->getNodeDef(),
1428 ObjDefHandle handle = schemmgr->add(schem);
1429 if (handle == OBJDEF_INVALID_HANDLE) {
1434 lua_pushinteger(L, handle);
1439 // clear_registered_biomes()
1440 int ModApiMapgen::l_clear_registered_biomes(lua_State *L)
1442 NO_MAP_LOCK_REQUIRED;
1444 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
1450 // clear_registered_decorations()
1451 int ModApiMapgen::l_clear_registered_decorations(lua_State *L)
1453 NO_MAP_LOCK_REQUIRED;
1455 DecorationManager *dmgr = getServer(L)->getEmergeManager()->decomgr;
1461 // clear_registered_ores()
1462 int ModApiMapgen::l_clear_registered_ores(lua_State *L)
1464 NO_MAP_LOCK_REQUIRED;
1466 OreManager *omgr = getServer(L)->getEmergeManager()->oremgr;
1472 // clear_registered_schematics()
1473 int ModApiMapgen::l_clear_registered_schematics(lua_State *L)
1475 NO_MAP_LOCK_REQUIRED;
1477 SchematicManager *smgr = getServer(L)->getEmergeManager()->schemmgr;
1483 // generate_ores(vm, p1, p2, [ore_id])
1484 int ModApiMapgen::l_generate_ores(lua_State *L)
1486 NO_MAP_LOCK_REQUIRED;
1488 EmergeManager *emerge = getServer(L)->getEmergeManager();
1491 mg.seed = emerge->mgparams->seed;
1492 mg.vm = LuaVoxelManip::checkobject(L, 1)->vm;
1493 mg.ndef = getServer(L)->getNodeDefManager();
1495 v3s16 pmin = lua_istable(L, 2) ? check_v3s16(L, 2) :
1496 mg.vm->m_area.MinEdge + v3s16(1,1,1) * MAP_BLOCKSIZE;
1497 v3s16 pmax = lua_istable(L, 3) ? check_v3s16(L, 3) :
1498 mg.vm->m_area.MaxEdge - v3s16(1,1,1) * MAP_BLOCKSIZE;
1499 sortBoxVerticies(pmin, pmax);
1501 u32 blockseed = Mapgen::getBlockSeed(pmin, mg.seed);
1503 emerge->oremgr->placeAllOres(&mg, blockseed, pmin, pmax);
1509 // generate_decorations(vm, p1, p2, [deco_id])
1510 int ModApiMapgen::l_generate_decorations(lua_State *L)
1512 NO_MAP_LOCK_REQUIRED;
1514 EmergeManager *emerge = getServer(L)->getEmergeManager();
1517 mg.seed = emerge->mgparams->seed;
1518 mg.vm = LuaVoxelManip::checkobject(L, 1)->vm;
1519 mg.ndef = getServer(L)->getNodeDefManager();
1521 v3s16 pmin = lua_istable(L, 2) ? check_v3s16(L, 2) :
1522 mg.vm->m_area.MinEdge + v3s16(1,1,1) * MAP_BLOCKSIZE;
1523 v3s16 pmax = lua_istable(L, 3) ? check_v3s16(L, 3) :
1524 mg.vm->m_area.MaxEdge - v3s16(1,1,1) * MAP_BLOCKSIZE;
1525 sortBoxVerticies(pmin, pmax);
1527 u32 blockseed = Mapgen::getBlockSeed(pmin, mg.seed);
1529 emerge->decomgr->placeAllDecos(&mg, blockseed, pmin, pmax);
1535 // create_schematic(p1, p2, probability_list, filename, y_slice_prob_list)
1536 int ModApiMapgen::l_create_schematic(lua_State *L)
1540 const NodeDefManager *ndef = getServer(L)->getNodeDefManager();
1542 const char *filename = luaL_checkstring(L, 4);
1543 CHECK_SECURE_PATH(L, filename, true);
1545 Map *map = &(getEnv(L)->getMap());
1548 v3s16 p1 = check_v3s16(L, 1);
1549 v3s16 p2 = check_v3s16(L, 2);
1550 sortBoxVerticies(p1, p2);
1552 std::vector<std::pair<v3s16, u8> > prob_list;
1553 if (lua_istable(L, 3)) {
1555 while (lua_next(L, 3)) {
1556 if (lua_istable(L, -1)) {
1557 lua_getfield(L, -1, "pos");
1558 v3s16 pos = check_v3s16(L, -1);
1561 u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
1562 prob_list.emplace_back(pos, prob);
1569 std::vector<std::pair<s16, u8> > slice_prob_list;
1570 if (lua_istable(L, 5)) {
1572 while (lua_next(L, 5)) {
1573 if (lua_istable(L, -1)) {
1574 s16 ypos = getintfield_default(L, -1, "ypos", 0);
1575 u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
1576 slice_prob_list.emplace_back(ypos, prob);
1583 if (!schem.getSchematicFromMap(map, p1, p2)) {
1584 errorstream << "create_schematic: failed to get schematic "
1585 "from map" << std::endl;
1589 schem.applyProbabilities(p1, &prob_list, &slice_prob_list);
1591 schem.saveSchematicToFile(filename, ndef);
1592 actionstream << "create_schematic: saved schematic file '"
1593 << filename << "'." << std::endl;
1595 lua_pushboolean(L, true);
1600 // place_schematic(p, schematic, rotation,
1601 // replacements, force_placement, flagstring)
1602 int ModApiMapgen::l_place_schematic(lua_State *L)
1608 ServerMap *map = &(env->getServerMap());
1609 SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
1612 v3s16 p = check_v3s16(L, 1);
1616 std::string enumstr = readParam<std::string>(L, 3, "");
1617 if (!enumstr.empty())
1618 string_to_enum(es_Rotation, rot, enumstr);
1620 //// Read force placement
1621 bool force_placement = true;
1622 if (lua_isboolean(L, 5))
1623 force_placement = readParam<bool>(L, 5);
1625 //// Read node replacements
1626 StringMap replace_names;
1627 if (lua_istable(L, 4))
1628 read_schematic_replacements(L, 4, &replace_names);
1631 Schematic *schem = get_or_load_schematic(L, 2, schemmgr, &replace_names);
1633 errorstream << "place_schematic: failed to get schematic" << std::endl;
1639 read_flags(L, 6, flagdesc_deco, &flags, NULL);
1641 schem->placeOnMap(map, p, flags, (Rotation)rot, force_placement);
1643 lua_pushboolean(L, true);
1648 // place_schematic_on_vmanip(vm, p, schematic, rotation,
1649 // replacements, force_placement, flagstring)
1650 int ModApiMapgen::l_place_schematic_on_vmanip(lua_State *L)
1652 NO_MAP_LOCK_REQUIRED;
1654 SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
1656 //// Read VoxelManip object
1657 MMVManip *vm = LuaVoxelManip::checkobject(L, 1)->vm;
1660 v3s16 p = check_v3s16(L, 2);
1664 std::string enumstr = readParam<std::string>(L, 4, "");
1665 if (!enumstr.empty())
1666 string_to_enum(es_Rotation, rot, std::string(enumstr));
1668 //// Read force placement
1669 bool force_placement = true;
1670 if (lua_isboolean(L, 6))
1671 force_placement = readParam<bool>(L, 6);
1673 //// Read node replacements
1674 StringMap replace_names;
1675 if (lua_istable(L, 5))
1676 read_schematic_replacements(L, 5, &replace_names);
1679 Schematic *schem = get_or_load_schematic(L, 3, schemmgr, &replace_names);
1681 errorstream << "place_schematic: failed to get schematic" << std::endl;
1687 read_flags(L, 7, flagdesc_deco, &flags, NULL);
1689 bool schematic_did_fit = schem->placeOnVManip(
1690 vm, p, flags, (Rotation)rot, force_placement);
1692 lua_pushboolean(L, schematic_did_fit);
1697 // serialize_schematic(schematic, format, options={...})
1698 int ModApiMapgen::l_serialize_schematic(lua_State *L)
1700 NO_MAP_LOCK_REQUIRED;
1702 SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
1705 bool use_comments = getboolfield_default(L, 3, "lua_use_comments", false);
1706 u32 indent_spaces = getintfield_default(L, 3, "lua_num_indent_spaces", 0);
1709 bool was_loaded = false;
1710 Schematic *schem = (Schematic *)get_objdef(L, 1, schemmgr);
1712 schem = load_schematic(L, 1, NULL, NULL);
1716 errorstream << "serialize_schematic: failed to get schematic" << std::endl;
1720 //// Read format of definition to save as
1721 int schem_format = SCHEM_FMT_MTS;
1722 std::string enumstr = readParam<std::string>(L, 2, "");
1723 if (!enumstr.empty())
1724 string_to_enum(es_SchematicFormatType, schem_format, enumstr);
1726 //// Serialize to binary string
1727 std::ostringstream os(std::ios_base::binary);
1728 switch (schem_format) {
1730 schem->serializeToMts(&os, schem->m_nodenames);
1733 schem->serializeToLua(&os, schem->m_nodenames,
1734 use_comments, indent_spaces);
1743 std::string ser = os.str();
1744 lua_pushlstring(L, ser.c_str(), ser.length());
1749 void ModApiMapgen::Initialize(lua_State *L, int top)
1751 API_FCT(get_biome_id);
1752 API_FCT(get_biome_name);
1754 API_FCT(get_humidity);
1755 API_FCT(get_biome_data);
1756 API_FCT(get_mapgen_object);
1757 API_FCT(get_spawn_level);
1759 API_FCT(get_mapgen_params);
1760 API_FCT(set_mapgen_params);
1761 API_FCT(get_mapgen_setting);
1762 API_FCT(set_mapgen_setting);
1763 API_FCT(get_mapgen_setting_noiseparams);
1764 API_FCT(set_mapgen_setting_noiseparams);
1765 API_FCT(set_noiseparams);
1766 API_FCT(get_noiseparams);
1767 API_FCT(set_gen_notify);
1768 API_FCT(get_gen_notify);
1769 API_FCT(get_decoration_id);
1771 API_FCT(register_biome);
1772 API_FCT(register_decoration);
1773 API_FCT(register_ore);
1774 API_FCT(register_schematic);
1776 API_FCT(clear_registered_biomes);
1777 API_FCT(clear_registered_decorations);
1778 API_FCT(clear_registered_ores);
1779 API_FCT(clear_registered_schematics);
1781 API_FCT(generate_ores);
1782 API_FCT(generate_decorations);
1783 API_FCT(create_schematic);
1784 API_FCT(place_schematic);
1785 API_FCT(place_schematic_on_vmanip);
1786 API_FCT(serialize_schematic);