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", ""));
409 size_t nnames = getstringlistfield(L, index, "node_cave_liquid", &nn);
410 // If no cave liquids defined, set list to "ignore" to trigger old hardcoded
411 // cave liquid behaviour.
413 nn.emplace_back("ignore");
416 b->m_nnlistsizes.push_back(nnames);
418 nn.push_back(getstringfield_default(L, index, "node_dungeon", ""));
419 nn.push_back(getstringfield_default(L, index, "node_dungeon_alt", ""));
420 nn.push_back(getstringfield_default(L, index, "node_dungeon_stair", ""));
421 ndef->pendNodeResolve(b);
427 size_t get_biome_list(lua_State *L, int index,
428 BiomeManager *biomemgr, std::unordered_set<u8> *biome_id_list)
431 index = lua_gettop(L) + 1 + index;
433 if (lua_isnil(L, index))
436 bool is_single = true;
437 if (lua_istable(L, index)) {
438 lua_getfield(L, index, "name");
439 is_single = !lua_isnil(L, -1);
444 Biome *biome = get_or_load_biome(L, index, biomemgr);
446 infostream << "get_biome_list: failed to get biome '"
447 << (lua_isstring(L, index) ? lua_tostring(L, index) : "")
448 << "'." << std::endl;
452 biome_id_list->insert(biome->index);
456 // returns number of failed resolutions
457 size_t fail_count = 0;
460 for (lua_pushnil(L); lua_next(L, index); lua_pop(L, 1)) {
462 Biome *biome = get_or_load_biome(L, -1, biomemgr);
465 infostream << "get_biome_list: failed to get biome '"
466 << (lua_isstring(L, -1) ? lua_tostring(L, -1) : "")
471 biome_id_list->insert(biome->index);
477 ///////////////////////////////////////////////////////////////////////////////
479 // get_biome_id(biomename)
480 // returns the biome id as used in biomemap and returned by 'get_biome_data()'
481 int ModApiMapgen::l_get_biome_id(lua_State *L)
483 NO_MAP_LOCK_REQUIRED;
485 const char *biome_str = lua_tostring(L, 1);
489 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
493 Biome *biome = (Biome *)bmgr->getByName(biome_str);
494 if (!biome || biome->index == OBJDEF_INVALID_INDEX)
497 lua_pushinteger(L, biome->index);
503 // get_biome_name(biome_id)
504 // returns the biome name string
505 int ModApiMapgen::l_get_biome_name(lua_State *L)
507 NO_MAP_LOCK_REQUIRED;
509 int biome_id = luaL_checkinteger(L, 1);
511 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
515 Biome *b = (Biome *)bmgr->getRaw(biome_id);
516 lua_pushstring(L, b->name.c_str());
523 // returns the heat at the position
524 int ModApiMapgen::l_get_heat(lua_State *L)
526 NO_MAP_LOCK_REQUIRED;
528 v3s16 pos = read_v3s16(L, 1);
531 NoiseParams np_heat_blend;
533 MapSettingsManager *settingsmgr =
534 getServer(L)->getEmergeManager()->map_settings_mgr;
536 if (!settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat",
538 !settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat_blend",
543 if (!settingsmgr->getMapSetting("seed", &value))
545 std::istringstream ss(value);
549 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
553 float heat = bmgr->getHeatAtPosOriginal(pos, np_heat, np_heat_blend, seed);
557 lua_pushnumber(L, heat);
564 // returns the humidity at the position
565 int ModApiMapgen::l_get_humidity(lua_State *L)
567 NO_MAP_LOCK_REQUIRED;
569 v3s16 pos = read_v3s16(L, 1);
571 NoiseParams np_humidity;
572 NoiseParams np_humidity_blend;
574 MapSettingsManager *settingsmgr =
575 getServer(L)->getEmergeManager()->map_settings_mgr;
577 if (!settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity",
579 !settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity_blend",
584 if (!settingsmgr->getMapSetting("seed", &value))
586 std::istringstream ss(value);
590 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
594 float humidity = bmgr->getHumidityAtPosOriginal(pos, np_humidity,
595 np_humidity_blend, seed);
599 lua_pushnumber(L, humidity);
605 // get_biome_data(pos)
606 // returns a table containing the biome id, heat and humidity at the position
607 int ModApiMapgen::l_get_biome_data(lua_State *L)
609 NO_MAP_LOCK_REQUIRED;
611 v3s16 pos = read_v3s16(L, 1);
614 NoiseParams np_heat_blend;
615 NoiseParams np_humidity;
616 NoiseParams np_humidity_blend;
618 MapSettingsManager *settingsmgr =
619 getServer(L)->getEmergeManager()->map_settings_mgr;
621 if (!settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat",
623 !settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat_blend",
625 !settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity",
627 !settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity_blend",
632 if (!settingsmgr->getMapSetting("seed", &value))
634 std::istringstream ss(value);
638 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
642 float heat = bmgr->getHeatAtPosOriginal(pos, np_heat, np_heat_blend, seed);
646 float humidity = bmgr->getHumidityAtPosOriginal(pos, np_humidity,
647 np_humidity_blend, seed);
651 Biome *biome = (Biome *)bmgr->getBiomeFromNoiseOriginal(heat, humidity, pos);
652 if (!biome || biome->index == OBJDEF_INVALID_INDEX)
657 lua_pushinteger(L, biome->index);
658 lua_setfield(L, -2, "biome");
660 lua_pushnumber(L, heat);
661 lua_setfield(L, -2, "heat");
663 lua_pushnumber(L, humidity);
664 lua_setfield(L, -2, "humidity");
670 // get_mapgen_object(objectname)
671 // returns the requested object used during map generation
672 int ModApiMapgen::l_get_mapgen_object(lua_State *L)
674 NO_MAP_LOCK_REQUIRED;
676 const char *mgobjstr = lua_tostring(L, 1);
679 if (!string_to_enum(es_MapgenObject, mgobjint, mgobjstr ? mgobjstr : ""))
682 enum MapgenObject mgobj = (MapgenObject)mgobjint;
684 EmergeManager *emerge = getServer(L)->getEmergeManager();
685 Mapgen *mg = emerge->getCurrentMapgen();
687 throw LuaError("Must only be called in a mapgen thread!");
689 size_t maplen = mg->csize.X * mg->csize.Z;
693 MMVManip *vm = mg->vm;
696 LuaVoxelManip *o = new LuaVoxelManip(vm, true);
697 *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
698 luaL_getmetatable(L, "VoxelManip");
699 lua_setmetatable(L, -2);
702 push_v3s16(L, vm->m_area.MinEdge);
705 push_v3s16(L, vm->m_area.MaxEdge);
709 case MGOBJ_HEIGHTMAP: {
714 for (size_t i = 0; i != maplen; i++) {
715 lua_pushinteger(L, mg->heightmap[i]);
716 lua_rawseti(L, -2, i + 1);
721 case MGOBJ_BIOMEMAP: {
726 for (size_t i = 0; i != maplen; i++) {
727 lua_pushinteger(L, mg->biomegen->biomemap[i]);
728 lua_rawseti(L, -2, i + 1);
733 case MGOBJ_HEATMAP: {
734 if (!mg->biomegen || mg->biomegen->getType() != BIOMEGEN_ORIGINAL)
737 BiomeGenOriginal *bg = (BiomeGenOriginal *)mg->biomegen;
740 for (size_t i = 0; i != maplen; i++) {
741 lua_pushnumber(L, bg->heatmap[i]);
742 lua_rawseti(L, -2, i + 1);
748 case MGOBJ_HUMIDMAP: {
749 if (!mg->biomegen || mg->biomegen->getType() != BIOMEGEN_ORIGINAL)
752 BiomeGenOriginal *bg = (BiomeGenOriginal *)mg->biomegen;
755 for (size_t i = 0; i != maplen; i++) {
756 lua_pushnumber(L, bg->humidmap[i]);
757 lua_rawseti(L, -2, i + 1);
762 case MGOBJ_GENNOTIFY: {
763 std::map<std::string, std::vector<v3s16> >event_map;
764 std::map<std::string, std::vector<v3s16> >::iterator it;
766 mg->gennotify.getEvents(event_map);
769 for (it = event_map.begin(); it != event_map.end(); ++it) {
772 for (size_t j = 0; j != it->second.size(); j++) {
773 push_v3s16(L, it->second[j]);
774 lua_rawseti(L, -2, j + 1);
777 lua_setfield(L, -2, it->first.c_str());
788 // get_spawn_level(x = num, z = num)
789 int ModApiMapgen::l_get_spawn_level(lua_State *L)
791 NO_MAP_LOCK_REQUIRED;
793 s16 x = luaL_checkinteger(L, 1);
794 s16 z = luaL_checkinteger(L, 2);
796 EmergeManager *emerge = getServer(L)->getEmergeManager();
797 int spawn_level = emerge->getSpawnLevelAtPoint(v2s16(x, z));
798 // Unsuitable spawn point
799 if (spawn_level == MAX_MAP_GENERATION_LIMIT)
802 // 'findSpawnPos()' in server.cpp adds at least 1
803 lua_pushinteger(L, spawn_level + 1);
809 int ModApiMapgen::l_get_mapgen_params(lua_State *L)
811 NO_MAP_LOCK_REQUIRED;
813 log_deprecated(L, "get_mapgen_params is deprecated; "
814 "use get_mapgen_setting instead");
818 MapSettingsManager *settingsmgr =
819 getServer(L)->getEmergeManager()->map_settings_mgr;
823 settingsmgr->getMapSetting("mg_name", &value);
824 lua_pushstring(L, value.c_str());
825 lua_setfield(L, -2, "mgname");
827 settingsmgr->getMapSetting("seed", &value);
828 std::istringstream ss(value);
831 lua_pushinteger(L, seed);
832 lua_setfield(L, -2, "seed");
834 settingsmgr->getMapSetting("water_level", &value);
835 lua_pushinteger(L, stoi(value, -32768, 32767));
836 lua_setfield(L, -2, "water_level");
838 settingsmgr->getMapSetting("chunksize", &value);
839 lua_pushinteger(L, stoi(value, -32768, 32767));
840 lua_setfield(L, -2, "chunksize");
842 settingsmgr->getMapSetting("mg_flags", &value);
843 lua_pushstring(L, value.c_str());
844 lua_setfield(L, -2, "flags");
850 // set_mapgen_params(params)
851 // set mapgen parameters
852 int ModApiMapgen::l_set_mapgen_params(lua_State *L)
854 NO_MAP_LOCK_REQUIRED;
856 log_deprecated(L, "set_mapgen_params is deprecated; "
857 "use set_mapgen_setting instead");
859 if (!lua_istable(L, 1))
862 MapSettingsManager *settingsmgr =
863 getServer(L)->getEmergeManager()->map_settings_mgr;
865 lua_getfield(L, 1, "mgname");
866 if (lua_isstring(L, -1))
867 settingsmgr->setMapSetting("mg_name", readParam<std::string>(L, -1), true);
869 lua_getfield(L, 1, "seed");
870 if (lua_isnumber(L, -1))
871 settingsmgr->setMapSetting("seed", readParam<std::string>(L, -1), true);
873 lua_getfield(L, 1, "water_level");
874 if (lua_isnumber(L, -1))
875 settingsmgr->setMapSetting("water_level", readParam<std::string>(L, -1), true);
877 lua_getfield(L, 1, "chunksize");
878 if (lua_isnumber(L, -1))
879 settingsmgr->setMapSetting("chunksize", readParam<std::string>(L, -1), true);
881 warn_if_field_exists(L, 1, "flagmask",
882 "Deprecated: flags field now includes unset flags.");
884 lua_getfield(L, 1, "flags");
885 if (lua_isstring(L, -1))
886 settingsmgr->setMapSetting("mg_flags", readParam<std::string>(L, -1), true);
891 // get_mapgen_setting(name)
892 int ModApiMapgen::l_get_mapgen_setting(lua_State *L)
894 NO_MAP_LOCK_REQUIRED;
897 MapSettingsManager *settingsmgr =
898 getServer(L)->getEmergeManager()->map_settings_mgr;
900 const char *name = luaL_checkstring(L, 1);
901 if (!settingsmgr->getMapSetting(name, &value))
904 lua_pushstring(L, value.c_str());
908 // get_mapgen_setting_noiseparams(name)
909 int ModApiMapgen::l_get_mapgen_setting_noiseparams(lua_State *L)
911 NO_MAP_LOCK_REQUIRED;
914 MapSettingsManager *settingsmgr =
915 getServer(L)->getEmergeManager()->map_settings_mgr;
917 const char *name = luaL_checkstring(L, 1);
918 if (!settingsmgr->getMapSettingNoiseParams(name, &np))
921 push_noiseparams(L, &np);
925 // set_mapgen_setting(name, value, override_meta)
926 // set mapgen config values
927 int ModApiMapgen::l_set_mapgen_setting(lua_State *L)
929 NO_MAP_LOCK_REQUIRED;
931 MapSettingsManager *settingsmgr =
932 getServer(L)->getEmergeManager()->map_settings_mgr;
934 const char *name = luaL_checkstring(L, 1);
935 const char *value = luaL_checkstring(L, 2);
936 bool override_meta = readParam<bool>(L, 3, false);
938 if (!settingsmgr->setMapSetting(name, value, override_meta)) {
939 errorstream << "set_mapgen_setting: cannot set '"
940 << name << "' after initialization" << std::endl;
947 // set_mapgen_setting_noiseparams(name, noiseparams, set_default)
948 // set mapgen config values for noise parameters
949 int ModApiMapgen::l_set_mapgen_setting_noiseparams(lua_State *L)
951 NO_MAP_LOCK_REQUIRED;
953 MapSettingsManager *settingsmgr =
954 getServer(L)->getEmergeManager()->map_settings_mgr;
956 const char *name = luaL_checkstring(L, 1);
959 if (!read_noiseparams(L, 2, &np)) {
960 errorstream << "set_mapgen_setting_noiseparams: cannot set '" << name
961 << "'; invalid noiseparams table" << std::endl;
965 bool override_meta = readParam<bool>(L, 3, false);
967 if (!settingsmgr->setMapSettingNoiseParams(name, &np, override_meta)) {
968 errorstream << "set_mapgen_setting_noiseparams: cannot set '"
969 << name << "' after initialization" << std::endl;
976 // set_noiseparams(name, noiseparams, set_default)
977 // set global config values for noise parameters
978 int ModApiMapgen::l_set_noiseparams(lua_State *L)
980 NO_MAP_LOCK_REQUIRED;
982 const char *name = luaL_checkstring(L, 1);
985 if (!read_noiseparams(L, 2, &np)) {
986 errorstream << "set_noiseparams: cannot set '" << name
987 << "'; invalid noiseparams table" << std::endl;
991 bool set_default = !lua_isboolean(L, 3) || readParam<bool>(L, 3);
993 g_settings->setNoiseParams(name, np, set_default);
999 // get_noiseparams(name)
1000 int ModApiMapgen::l_get_noiseparams(lua_State *L)
1002 NO_MAP_LOCK_REQUIRED;
1004 std::string name = luaL_checkstring(L, 1);
1007 if (!g_settings->getNoiseParams(name, np))
1010 push_noiseparams(L, &np);
1015 // set_gen_notify(flags, {deco_id_table})
1016 int ModApiMapgen::l_set_gen_notify(lua_State *L)
1018 NO_MAP_LOCK_REQUIRED;
1020 u32 flags = 0, flagmask = 0;
1021 EmergeManager *emerge = getServer(L)->getEmergeManager();
1023 if (read_flags(L, 1, flagdesc_gennotify, &flags, &flagmask)) {
1024 emerge->gen_notify_on &= ~flagmask;
1025 emerge->gen_notify_on |= flags;
1028 if (lua_istable(L, 2)) {
1030 while (lua_next(L, 2)) {
1031 if (lua_isnumber(L, -1))
1032 emerge->gen_notify_on_deco_ids.insert((u32)lua_tonumber(L, -1));
1042 int ModApiMapgen::l_get_gen_notify(lua_State *L)
1044 NO_MAP_LOCK_REQUIRED;
1046 EmergeManager *emerge = getServer(L)->getEmergeManager();
1047 push_flags_string(L, flagdesc_gennotify, emerge->gen_notify_on,
1048 emerge->gen_notify_on);
1052 for (u32 gen_notify_on_deco_id : emerge->gen_notify_on_deco_ids) {
1053 lua_pushnumber(L, gen_notify_on_deco_id);
1054 lua_rawseti(L, -2, i++);
1060 // get_decoration_id(decoration_name)
1061 // returns the decoration ID as used in gennotify
1062 int ModApiMapgen::l_get_decoration_id(lua_State *L)
1064 NO_MAP_LOCK_REQUIRED;
1066 const char *deco_str = luaL_checkstring(L, 1);
1070 DecorationManager *dmgr = getServer(L)->getEmergeManager()->decomgr;
1075 Decoration *deco = (Decoration *)dmgr->getByName(deco_str);
1080 lua_pushinteger(L, deco->index);
1086 // register_biome({lots of stuff})
1087 int ModApiMapgen::l_register_biome(lua_State *L)
1089 NO_MAP_LOCK_REQUIRED;
1092 luaL_checktype(L, index, LUA_TTABLE);
1094 const NodeDefManager *ndef = getServer(L)->getNodeDefManager();
1095 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
1097 Biome *biome = read_biome_def(L, index, ndef);
1101 ObjDefHandle handle = bmgr->add(biome);
1102 if (handle == OBJDEF_INVALID_HANDLE) {
1107 lua_pushinteger(L, handle);
1112 // register_decoration({lots of stuff})
1113 int ModApiMapgen::l_register_decoration(lua_State *L)
1115 NO_MAP_LOCK_REQUIRED;
1118 luaL_checktype(L, index, LUA_TTABLE);
1120 const NodeDefManager *ndef = getServer(L)->getNodeDefManager();
1121 DecorationManager *decomgr = getServer(L)->getEmergeManager()->decomgr;
1122 BiomeManager *biomemgr = getServer(L)->getEmergeManager()->biomemgr;
1123 SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
1125 enum DecorationType decotype = (DecorationType)getenumfield(L, index,
1126 "deco_type", es_DecorationType, -1);
1128 Decoration *deco = decomgr->create(decotype);
1130 errorstream << "register_decoration: decoration placement type "
1131 << decotype << " not implemented" << std::endl;
1135 deco->name = getstringfield_default(L, index, "name", "");
1136 deco->fill_ratio = getfloatfield_default(L, index, "fill_ratio", 0.02);
1137 deco->y_min = getintfield_default(L, index, "y_min", -31000);
1138 deco->y_max = getintfield_default(L, index, "y_max", 31000);
1139 deco->nspawnby = getintfield_default(L, index, "num_spawn_by", -1);
1140 deco->place_offset_y = getintfield_default(L, index, "place_offset_y", 0);
1141 deco->sidelen = getintfield_default(L, index, "sidelen", 8);
1142 if (deco->sidelen <= 0) {
1143 errorstream << "register_decoration: sidelen must be "
1144 "greater than 0" << std::endl;
1149 //// Get node name(s) to place decoration on
1150 size_t nread = getstringlistfield(L, index, "place_on", &deco->m_nodenames);
1151 deco->m_nnlistsizes.push_back(nread);
1153 //// Get decoration flags
1154 getflagsfield(L, index, "flags", flagdesc_deco, &deco->flags, NULL);
1156 //// Get NoiseParams to define how decoration is placed
1157 lua_getfield(L, index, "noise_params");
1158 if (read_noiseparams(L, -1, &deco->np))
1159 deco->flags |= DECO_USE_NOISE;
1162 //// Get biomes associated with this decoration (if any)
1163 lua_getfield(L, index, "biomes");
1164 if (get_biome_list(L, -1, biomemgr, &deco->biomes))
1165 infostream << "register_decoration: couldn't get all biomes " << std::endl;
1168 //// Get node name(s) to 'spawn by'
1169 size_t nnames = getstringlistfield(L, index, "spawn_by", &deco->m_nodenames);
1170 deco->m_nnlistsizes.push_back(nnames);
1171 if (nnames == 0 && deco->nspawnby != -1) {
1172 errorstream << "register_decoration: no spawn_by nodes defined,"
1173 " but num_spawn_by specified" << std::endl;
1176 //// Handle decoration type-specific parameters
1177 bool success = false;
1180 success = read_deco_simple(L, (DecoSimple *)deco);
1182 case DECO_SCHEMATIC:
1183 success = read_deco_schematic(L, schemmgr, (DecoSchematic *)deco);
1194 ndef->pendNodeResolve(deco);
1196 ObjDefHandle handle = decomgr->add(deco);
1197 if (handle == OBJDEF_INVALID_HANDLE) {
1202 lua_pushinteger(L, handle);
1207 bool read_deco_simple(lua_State *L, DecoSimple *deco)
1213 deco->deco_height = getintfield_default(L, index, "height", 1);
1214 deco->deco_height_max = getintfield_default(L, index, "height_max", 0);
1216 if (deco->deco_height <= 0) {
1217 errorstream << "register_decoration: simple decoration height"
1218 " must be greater than 0" << std::endl;
1222 size_t nnames = getstringlistfield(L, index, "decoration", &deco->m_nodenames);
1223 deco->m_nnlistsizes.push_back(nnames);
1226 errorstream << "register_decoration: no decoration nodes "
1227 "defined" << std::endl;
1231 param2 = getintfield_default(L, index, "param2", 0);
1232 param2_max = getintfield_default(L, index, "param2_max", 0);
1234 if (param2 < 0 || param2 > 255 || param2_max < 0 || param2_max > 255) {
1235 errorstream << "register_decoration: param2 or param2_max out of bounds (0-255)"
1240 deco->deco_param2 = (u8)param2;
1241 deco->deco_param2_max = (u8)param2_max;
1247 bool read_deco_schematic(lua_State *L, SchematicManager *schemmgr, DecoSchematic *deco)
1251 deco->rotation = (Rotation)getenumfield(L, index, "rotation",
1252 ModApiMapgen::es_Rotation, ROTATE_0);
1254 StringMap replace_names;
1255 lua_getfield(L, index, "replacements");
1256 if (lua_istable(L, -1))
1257 read_schematic_replacements(L, -1, &replace_names);
1260 lua_getfield(L, index, "schematic");
1261 Schematic *schem = get_or_load_schematic(L, -1, schemmgr, &replace_names);
1264 deco->schematic = schem;
1265 return schem != NULL;
1269 // register_ore({lots of stuff})
1270 int ModApiMapgen::l_register_ore(lua_State *L)
1272 NO_MAP_LOCK_REQUIRED;
1275 luaL_checktype(L, index, LUA_TTABLE);
1277 const NodeDefManager *ndef = getServer(L)->getNodeDefManager();
1278 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
1279 OreManager *oremgr = getServer(L)->getEmergeManager()->oremgr;
1281 enum OreType oretype = (OreType)getenumfield(L, index,
1282 "ore_type", es_OreType, ORE_SCATTER);
1283 Ore *ore = oremgr->create(oretype);
1285 errorstream << "register_ore: ore_type " << oretype << " not implemented\n";
1289 ore->name = getstringfield_default(L, index, "name", "");
1290 ore->ore_param2 = (u8)getintfield_default(L, index, "ore_param2", 0);
1291 ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
1292 ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
1293 ore->clust_size = getintfield_default(L, index, "clust_size", 0);
1297 //// Get noise_threshold
1298 warn_if_field_exists(L, index, "noise_threshhold",
1299 "Deprecated: new name is \"noise_threshold\".");
1302 if (!getfloatfield(L, index, "noise_threshold", nthresh) &&
1303 !getfloatfield(L, index, "noise_threshhold", nthresh))
1305 ore->nthresh = nthresh;
1307 //// Get y_min/y_max
1308 warn_if_field_exists(L, index, "height_min",
1309 "Deprecated: new name is \"y_min\".");
1310 warn_if_field_exists(L, index, "height_max",
1311 "Deprecated: new name is \"y_max\".");
1314 if (!getintfield(L, index, "y_min", ymin) &&
1315 !getintfield(L, index, "height_min", ymin))
1317 if (!getintfield(L, index, "y_max", ymax) &&
1318 !getintfield(L, index, "height_max", ymax))
1323 if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) {
1324 errorstream << "register_ore: clust_scarcity and clust_num_ores"
1325 "must be greater than 0" << std::endl;
1331 getflagsfield(L, index, "flags", flagdesc_ore, &ore->flags, NULL);
1333 //// Get biomes associated with this decoration (if any)
1334 lua_getfield(L, index, "biomes");
1335 if (get_biome_list(L, -1, bmgr, &ore->biomes))
1336 infostream << "register_ore: couldn't get all biomes " << std::endl;
1339 //// Get noise parameters if needed
1340 lua_getfield(L, index, "noise_params");
1341 if (read_noiseparams(L, -1, &ore->np)) {
1342 ore->flags |= OREFLAG_USE_NOISE;
1343 } else if (ore->NEEDS_NOISE) {
1344 errorstream << "register_ore: specified ore type requires valid "
1345 "'noise_params' parameter" << std::endl;
1351 //// Get type-specific parameters
1354 OreSheet *oresheet = (OreSheet *)ore;
1356 oresheet->column_height_min = getintfield_default(L, index,
1357 "column_height_min", 1);
1358 oresheet->column_height_max = getintfield_default(L, index,
1359 "column_height_max", ore->clust_size);
1360 oresheet->column_midpoint_factor = getfloatfield_default(L, index,
1361 "column_midpoint_factor", 0.5f);
1366 OrePuff *orepuff = (OrePuff *)ore;
1368 lua_getfield(L, index, "np_puff_top");
1369 read_noiseparams(L, -1, &orepuff->np_puff_top);
1372 lua_getfield(L, index, "np_puff_bottom");
1373 read_noiseparams(L, -1, &orepuff->np_puff_bottom);
1379 OreVein *orevein = (OreVein *)ore;
1381 orevein->random_factor = getfloatfield_default(L, index,
1382 "random_factor", 1.f);
1387 OreStratum *orestratum = (OreStratum *)ore;
1389 lua_getfield(L, index, "np_stratum_thickness");
1390 if (read_noiseparams(L, -1, &orestratum->np_stratum_thickness))
1391 ore->flags |= OREFLAG_USE_NOISE2;
1394 orestratum->stratum_thickness = getintfield_default(L, index,
1395 "stratum_thickness", 8);
1403 ObjDefHandle handle = oremgr->add(ore);
1404 if (handle == OBJDEF_INVALID_HANDLE) {
1409 ore->m_nodenames.push_back(getstringfield_default(L, index, "ore", ""));
1411 size_t nnames = getstringlistfield(L, index, "wherein", &ore->m_nodenames);
1412 ore->m_nnlistsizes.push_back(nnames);
1414 ndef->pendNodeResolve(ore);
1416 lua_pushinteger(L, handle);
1421 // register_schematic({schematic}, replacements={})
1422 int ModApiMapgen::l_register_schematic(lua_State *L)
1424 NO_MAP_LOCK_REQUIRED;
1426 SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
1428 StringMap replace_names;
1429 if (lua_istable(L, 2))
1430 read_schematic_replacements(L, 2, &replace_names);
1432 Schematic *schem = load_schematic(L, 1, schemmgr->getNodeDef(),
1437 ObjDefHandle handle = schemmgr->add(schem);
1438 if (handle == OBJDEF_INVALID_HANDLE) {
1443 lua_pushinteger(L, handle);
1448 // clear_registered_biomes()
1449 int ModApiMapgen::l_clear_registered_biomes(lua_State *L)
1451 NO_MAP_LOCK_REQUIRED;
1453 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
1459 // clear_registered_decorations()
1460 int ModApiMapgen::l_clear_registered_decorations(lua_State *L)
1462 NO_MAP_LOCK_REQUIRED;
1464 DecorationManager *dmgr = getServer(L)->getEmergeManager()->decomgr;
1470 // clear_registered_ores()
1471 int ModApiMapgen::l_clear_registered_ores(lua_State *L)
1473 NO_MAP_LOCK_REQUIRED;
1475 OreManager *omgr = getServer(L)->getEmergeManager()->oremgr;
1481 // clear_registered_schematics()
1482 int ModApiMapgen::l_clear_registered_schematics(lua_State *L)
1484 NO_MAP_LOCK_REQUIRED;
1486 SchematicManager *smgr = getServer(L)->getEmergeManager()->schemmgr;
1492 // generate_ores(vm, p1, p2, [ore_id])
1493 int ModApiMapgen::l_generate_ores(lua_State *L)
1495 NO_MAP_LOCK_REQUIRED;
1497 EmergeManager *emerge = getServer(L)->getEmergeManager();
1500 mg.seed = emerge->mgparams->seed;
1501 mg.vm = LuaVoxelManip::checkobject(L, 1)->vm;
1502 mg.ndef = getServer(L)->getNodeDefManager();
1504 v3s16 pmin = lua_istable(L, 2) ? check_v3s16(L, 2) :
1505 mg.vm->m_area.MinEdge + v3s16(1,1,1) * MAP_BLOCKSIZE;
1506 v3s16 pmax = lua_istable(L, 3) ? check_v3s16(L, 3) :
1507 mg.vm->m_area.MaxEdge - v3s16(1,1,1) * MAP_BLOCKSIZE;
1508 sortBoxVerticies(pmin, pmax);
1510 u32 blockseed = Mapgen::getBlockSeed(pmin, mg.seed);
1512 emerge->oremgr->placeAllOres(&mg, blockseed, pmin, pmax);
1518 // generate_decorations(vm, p1, p2, [deco_id])
1519 int ModApiMapgen::l_generate_decorations(lua_State *L)
1521 NO_MAP_LOCK_REQUIRED;
1523 EmergeManager *emerge = getServer(L)->getEmergeManager();
1526 mg.seed = emerge->mgparams->seed;
1527 mg.vm = LuaVoxelManip::checkobject(L, 1)->vm;
1528 mg.ndef = getServer(L)->getNodeDefManager();
1530 v3s16 pmin = lua_istable(L, 2) ? check_v3s16(L, 2) :
1531 mg.vm->m_area.MinEdge + v3s16(1,1,1) * MAP_BLOCKSIZE;
1532 v3s16 pmax = lua_istable(L, 3) ? check_v3s16(L, 3) :
1533 mg.vm->m_area.MaxEdge - v3s16(1,1,1) * MAP_BLOCKSIZE;
1534 sortBoxVerticies(pmin, pmax);
1536 u32 blockseed = Mapgen::getBlockSeed(pmin, mg.seed);
1538 emerge->decomgr->placeAllDecos(&mg, blockseed, pmin, pmax);
1544 // create_schematic(p1, p2, probability_list, filename, y_slice_prob_list)
1545 int ModApiMapgen::l_create_schematic(lua_State *L)
1549 const NodeDefManager *ndef = getServer(L)->getNodeDefManager();
1551 const char *filename = luaL_checkstring(L, 4);
1552 CHECK_SECURE_PATH(L, filename, true);
1554 Map *map = &(getEnv(L)->getMap());
1557 v3s16 p1 = check_v3s16(L, 1);
1558 v3s16 p2 = check_v3s16(L, 2);
1559 sortBoxVerticies(p1, p2);
1561 std::vector<std::pair<v3s16, u8> > prob_list;
1562 if (lua_istable(L, 3)) {
1564 while (lua_next(L, 3)) {
1565 if (lua_istable(L, -1)) {
1566 lua_getfield(L, -1, "pos");
1567 v3s16 pos = check_v3s16(L, -1);
1570 u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
1571 prob_list.emplace_back(pos, prob);
1578 std::vector<std::pair<s16, u8> > slice_prob_list;
1579 if (lua_istable(L, 5)) {
1581 while (lua_next(L, 5)) {
1582 if (lua_istable(L, -1)) {
1583 s16 ypos = getintfield_default(L, -1, "ypos", 0);
1584 u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
1585 slice_prob_list.emplace_back(ypos, prob);
1592 if (!schem.getSchematicFromMap(map, p1, p2)) {
1593 errorstream << "create_schematic: failed to get schematic "
1594 "from map" << std::endl;
1598 schem.applyProbabilities(p1, &prob_list, &slice_prob_list);
1600 schem.saveSchematicToFile(filename, ndef);
1601 actionstream << "create_schematic: saved schematic file '"
1602 << filename << "'." << std::endl;
1604 lua_pushboolean(L, true);
1609 // place_schematic(p, schematic, rotation,
1610 // replacements, force_placement, flagstring)
1611 int ModApiMapgen::l_place_schematic(lua_State *L)
1617 ServerMap *map = &(env->getServerMap());
1618 SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
1621 v3s16 p = check_v3s16(L, 1);
1625 std::string enumstr = readParam<std::string>(L, 3, "");
1626 if (!enumstr.empty())
1627 string_to_enum(es_Rotation, rot, enumstr);
1629 //// Read force placement
1630 bool force_placement = true;
1631 if (lua_isboolean(L, 5))
1632 force_placement = readParam<bool>(L, 5);
1634 //// Read node replacements
1635 StringMap replace_names;
1636 if (lua_istable(L, 4))
1637 read_schematic_replacements(L, 4, &replace_names);
1640 Schematic *schem = get_or_load_schematic(L, 2, schemmgr, &replace_names);
1642 errorstream << "place_schematic: failed to get schematic" << std::endl;
1648 read_flags(L, 6, flagdesc_deco, &flags, NULL);
1650 schem->placeOnMap(map, p, flags, (Rotation)rot, force_placement);
1652 lua_pushboolean(L, true);
1657 // place_schematic_on_vmanip(vm, p, schematic, rotation,
1658 // replacements, force_placement, flagstring)
1659 int ModApiMapgen::l_place_schematic_on_vmanip(lua_State *L)
1661 NO_MAP_LOCK_REQUIRED;
1663 SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
1665 //// Read VoxelManip object
1666 MMVManip *vm = LuaVoxelManip::checkobject(L, 1)->vm;
1669 v3s16 p = check_v3s16(L, 2);
1673 std::string enumstr = readParam<std::string>(L, 4, "");
1674 if (!enumstr.empty())
1675 string_to_enum(es_Rotation, rot, std::string(enumstr));
1677 //// Read force placement
1678 bool force_placement = true;
1679 if (lua_isboolean(L, 6))
1680 force_placement = readParam<bool>(L, 6);
1682 //// Read node replacements
1683 StringMap replace_names;
1684 if (lua_istable(L, 5))
1685 read_schematic_replacements(L, 5, &replace_names);
1688 Schematic *schem = get_or_load_schematic(L, 3, schemmgr, &replace_names);
1690 errorstream << "place_schematic: failed to get schematic" << std::endl;
1696 read_flags(L, 7, flagdesc_deco, &flags, NULL);
1698 bool schematic_did_fit = schem->placeOnVManip(
1699 vm, p, flags, (Rotation)rot, force_placement);
1701 lua_pushboolean(L, schematic_did_fit);
1706 // serialize_schematic(schematic, format, options={...})
1707 int ModApiMapgen::l_serialize_schematic(lua_State *L)
1709 NO_MAP_LOCK_REQUIRED;
1711 SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;
1714 bool use_comments = getboolfield_default(L, 3, "lua_use_comments", false);
1715 u32 indent_spaces = getintfield_default(L, 3, "lua_num_indent_spaces", 0);
1718 bool was_loaded = false;
1719 Schematic *schem = (Schematic *)get_objdef(L, 1, schemmgr);
1721 schem = load_schematic(L, 1, NULL, NULL);
1725 errorstream << "serialize_schematic: failed to get schematic" << std::endl;
1729 //// Read format of definition to save as
1730 int schem_format = SCHEM_FMT_MTS;
1731 std::string enumstr = readParam<std::string>(L, 2, "");
1732 if (!enumstr.empty())
1733 string_to_enum(es_SchematicFormatType, schem_format, enumstr);
1735 //// Serialize to binary string
1736 std::ostringstream os(std::ios_base::binary);
1737 switch (schem_format) {
1739 schem->serializeToMts(&os, schem->m_nodenames);
1742 schem->serializeToLua(&os, schem->m_nodenames,
1743 use_comments, indent_spaces);
1752 std::string ser = os.str();
1753 lua_pushlstring(L, ser.c_str(), ser.length());
1758 void ModApiMapgen::Initialize(lua_State *L, int top)
1760 API_FCT(get_biome_id);
1761 API_FCT(get_biome_name);
1763 API_FCT(get_humidity);
1764 API_FCT(get_biome_data);
1765 API_FCT(get_mapgen_object);
1766 API_FCT(get_spawn_level);
1768 API_FCT(get_mapgen_params);
1769 API_FCT(set_mapgen_params);
1770 API_FCT(get_mapgen_setting);
1771 API_FCT(set_mapgen_setting);
1772 API_FCT(get_mapgen_setting_noiseparams);
1773 API_FCT(set_mapgen_setting_noiseparams);
1774 API_FCT(set_noiseparams);
1775 API_FCT(get_noiseparams);
1776 API_FCT(set_gen_notify);
1777 API_FCT(get_gen_notify);
1778 API_FCT(get_decoration_id);
1780 API_FCT(register_biome);
1781 API_FCT(register_decoration);
1782 API_FCT(register_ore);
1783 API_FCT(register_schematic);
1785 API_FCT(clear_registered_biomes);
1786 API_FCT(clear_registered_decorations);
1787 API_FCT(clear_registered_ores);
1788 API_FCT(clear_registered_schematics);
1790 API_FCT(generate_ores);
1791 API_FCT(generate_decorations);
1792 API_FCT(create_schematic);
1793 API_FCT(place_schematic);
1794 API_FCT(place_schematic_on_vmanip);
1795 API_FCT(serialize_schematic);