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 "util/serialize.h"
27 #include "environment.h"
31 #include "mg_decoration.h"
32 #include "mg_schematic.h"
33 #include "mapgen_v5.h"
34 #include "mapgen_v7.h"
40 struct EnumString ModApiMapgen::es_BiomeTerrainType[] =
42 {BIOME_TYPE_NORMAL, "normal"},
43 {BIOME_TYPE_LIQUID, "liquid"},
44 {BIOME_TYPE_NETHER, "nether"},
45 {BIOME_TYPE_AETHER, "aether"},
46 {BIOME_TYPE_FLAT, "flat"},
50 struct EnumString ModApiMapgen::es_DecorationType[] =
52 {DECO_SIMPLE, "simple"},
53 {DECO_SCHEMATIC, "schematic"},
54 {DECO_LSYSTEM, "lsystem"},
58 struct EnumString ModApiMapgen::es_MapgenObject[] =
60 {MGOBJ_VMANIP, "voxelmanip"},
61 {MGOBJ_HEIGHTMAP, "heightmap"},
62 {MGOBJ_BIOMEMAP, "biomemap"},
63 {MGOBJ_HEATMAP, "heatmap"},
64 {MGOBJ_HUMIDMAP, "humiditymap"},
65 {MGOBJ_GENNOTIFY, "gennotify"},
69 struct EnumString ModApiMapgen::es_OreType[] =
71 {ORE_TYPE_SCATTER, "scatter"},
72 {ORE_TYPE_SHEET, "sheet"},
73 {ORE_TYPE_BLOB, "blob"},
74 {ORE_TYPE_VEIN, "vein"},
78 struct EnumString ModApiMapgen::es_Rotation[] =
84 {ROTATE_RAND, "random"},
89 ///////////////////////////////////////////////////////////////////////////////
92 bool read_schematic(lua_State *L, int index, Schematic *schem,
93 INodeDefManager *ndef, std::map<std::string, std::string> &replace_names)
95 //// Get schematic size
96 lua_getfield(L, index, "size");
97 v3s16 size = read_v3s16(L, -1);
100 //// Get schematic data
101 lua_getfield(L, index, "data");
102 luaL_checktype(L, -1, LUA_TTABLE);
104 int numnodes = size.X * size.Y * size.Z;
105 MapNode *schemdata = new MapNode[numnodes];
109 while (lua_next(L, -2)) {
116 // same as readnode, except param1 default is MTSCHEM_PROB_CONST
117 lua_getfield(L, -1, "name");
118 std::string name = luaL_checkstring(L, -1);
122 lua_getfield(L, -1, "param1");
123 param1 = !lua_isnil(L, -1) ? lua_tonumber(L, -1) : MTSCHEM_PROB_ALWAYS;
127 lua_getfield(L, -1, "param2");
128 param2 = !lua_isnil(L, -1) ? lua_tonumber(L, -1) : 0;
131 std::map<std::string, std::string>::iterator it;
132 it = replace_names.find(name);
133 if (it != replace_names.end())
136 schemdata[i] = MapNode(ndef, name, param1, param2);
143 errorstream << "read_schematic: incorrect number of "
144 "nodes provided in raw schematic data (got " << i <<
145 ", expected " << numnodes << ")." << std::endl;
150 //// Get Y-slice probability values (if present)
151 u8 *slice_probs = new u8[size.Y];
152 for (i = 0; i != size.Y; i++)
153 slice_probs[i] = MTSCHEM_PROB_ALWAYS;
155 lua_getfield(L, index, "yslice_prob");
156 if (lua_istable(L, -1)) {
158 while (lua_next(L, -2)) {
159 if (getintfield(L, -1, "ypos", i) && i >= 0 && i < size.Y) {
160 slice_probs[i] = getintfield_default(L, -1,
161 "prob", MTSCHEM_PROB_ALWAYS);
167 // Here, we read the nodes directly from the INodeDefManager - there is no
168 // need for pending node resolutions so we'll mark this schematic as updated
169 schem->flags = SCHEM_CIDS_UPDATED;
172 schem->schemdata = schemdata;
173 schem->slice_probs = slice_probs;
178 bool get_schematic(lua_State *L, int index, Schematic *schem,
179 INodeDefManager *ndef, std::map<std::string, std::string> &replace_names)
182 index = lua_gettop(L) + 1 + index;
184 if (lua_istable(L, index)) {
185 return read_schematic(L, index, schem, ndef, replace_names);
186 } else if (lua_isstring(L, index)) {
187 const char *filename = lua_tostring(L, index);
188 return schem->loadSchematicFromFile(filename, ndef, replace_names);
195 void read_schematic_replacements(lua_State *L,
196 std::map<std::string, std::string> &replace_names, int index)
199 while (lua_next(L, index)) {
200 std::string replace_from;
201 std::string replace_to;
203 if (lua_istable(L, -1)) { // Old {{"x", "y"}, ...} format
204 lua_rawgeti(L, -1, 1);
205 replace_from = lua_tostring(L, -1);
208 lua_rawgeti(L, -1, 2);
209 replace_to = lua_tostring(L, -1);
211 } else { // New {x = "y", ...} format
212 replace_from = lua_tostring(L, -2);
213 replace_to = lua_tostring(L, -1);
216 replace_names[replace_from] = replace_to;
222 // get_mapgen_object(objectname)
223 // returns the requested object used during map generation
224 int ModApiMapgen::l_get_mapgen_object(lua_State *L)
226 const char *mgobjstr = lua_tostring(L, 1);
229 if (!string_to_enum(es_MapgenObject, mgobjint, mgobjstr ? mgobjstr : ""))
232 enum MapgenObject mgobj = (MapgenObject)mgobjint;
234 EmergeManager *emerge = getServer(L)->getEmergeManager();
235 Mapgen *mg = emerge->getCurrentMapgen();
239 size_t maplen = mg->csize.X * mg->csize.Z;
243 MMVManip *vm = mg->vm;
246 LuaVoxelManip *o = new LuaVoxelManip(vm, true);
247 *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
248 luaL_getmetatable(L, "VoxelManip");
249 lua_setmetatable(L, -2);
252 push_v3s16(L, vm->m_area.MinEdge);
255 push_v3s16(L, vm->m_area.MaxEdge);
259 case MGOBJ_HEIGHTMAP: {
264 for (size_t i = 0; i != maplen; i++) {
265 lua_pushinteger(L, mg->heightmap[i]);
266 lua_rawseti(L, -2, i + 1);
271 case MGOBJ_BIOMEMAP: {
276 for (size_t i = 0; i != maplen; i++) {
277 lua_pushinteger(L, mg->biomemap[i]);
278 lua_rawseti(L, -2, i + 1);
283 case MGOBJ_HEATMAP: { // Mapgen V7 specific objects
285 if (strcmp(emerge->params.mg_name.c_str(), "v7"))
288 MapgenV7 *mgv7 = (MapgenV7 *)mg;
290 float *arr = (mgobj == MGOBJ_HEATMAP) ?
291 mgv7->noise_heat->result : mgv7->noise_humidity->result;
296 for (size_t i = 0; i != maplen; i++) {
297 lua_pushnumber(L, arr[i]);
298 lua_rawseti(L, -2, i + 1);
303 case MGOBJ_GENNOTIFY: {
304 std::map<std::string, std::vector<v3s16> >event_map;
305 std::map<std::string, std::vector<v3s16> >::iterator it;
307 mg->gennotify.getEvents(event_map);
310 for (it = event_map.begin(); it != event_map.end(); ++it) {
313 for (size_t j = 0; j != it->second.size(); j++) {
314 push_v3s16(L, it->second[j]);
315 lua_rawseti(L, -2, j + 1);
318 lua_setfield(L, -2, it->first.c_str());
328 int ModApiMapgen::l_get_mapgen_params(lua_State *L)
330 MapgenParams *params = &getServer(L)->getEmergeManager()->params;
334 lua_pushstring(L, params->mg_name.c_str());
335 lua_setfield(L, -2, "mgname");
337 lua_pushinteger(L, params->seed);
338 lua_setfield(L, -2, "seed");
340 lua_pushinteger(L, params->water_level);
341 lua_setfield(L, -2, "water_level");
343 lua_pushinteger(L, params->chunksize);
344 lua_setfield(L, -2, "chunksize");
346 std::string flagstr = writeFlagString(params->flags, flagdesc_mapgen, (u32)-1);
347 lua_pushstring(L, flagstr.c_str());
348 lua_setfield(L, -2, "flags");
353 // set_mapgen_params(params)
354 // set mapgen parameters
355 int ModApiMapgen::l_set_mapgen_params(lua_State *L)
357 if (!lua_istable(L, 1))
360 MapgenParams *params = &getServer(L)->getEmergeManager()->params;
361 u32 flags = 0, flagmask = 0;
363 lua_getfield(L, 1, "mgname");
364 if (lua_isstring(L, -1)) {
365 params->mg_name = lua_tostring(L, -1);
366 delete params->sparams;
367 params->sparams = NULL;
370 lua_getfield(L, 1, "seed");
371 if (lua_isnumber(L, -1))
372 params->seed = lua_tointeger(L, -1);
374 lua_getfield(L, 1, "water_level");
375 if (lua_isnumber(L, -1))
376 params->water_level = lua_tointeger(L, -1);
378 warn_if_field_exists(L, 1, "flagmask",
379 "Deprecated: flags field now includes unset flags.");
380 lua_getfield(L, 1, "flagmask");
381 if (lua_isstring(L, -1))
382 params->flags &= ~readFlagString(lua_tostring(L, -1), flagdesc_mapgen, NULL);
384 if (getflagsfield(L, 1, "flags", flagdesc_mapgen, &flags, &flagmask)) {
385 params->flags &= ~flagmask;
386 params->flags |= flags;
392 // set_noiseparams(name, noiseparams, set_default)
393 // set global config values for noise parameters
394 int ModApiMapgen::l_set_noiseparams(lua_State *L)
396 const char *name = luaL_checkstring(L, 1);
399 if (!read_noiseparams(L, 2, &np))
402 bool set_default = lua_isboolean(L, 3) ? lua_toboolean(L, 3) : true;
404 g_settings->setNoiseParams(name, np, set_default);
409 // set_gen_notify(flags, {deco_id_table})
410 int ModApiMapgen::l_set_gen_notify(lua_State *L)
412 u32 flags = 0, flagmask = 0;
413 EmergeManager *emerge = getServer(L)->getEmergeManager();
415 if (read_flags(L, 1, flagdesc_gennotify, &flags, &flagmask)) {
416 emerge->gen_notify_on &= ~flagmask;
417 emerge->gen_notify_on |= flags;
420 if (lua_istable(L, 2)) {
422 while (lua_next(L, 2)) {
423 if (lua_isnumber(L, -1))
424 emerge->gen_notify_on_deco_ids.insert(lua_tonumber(L, -1));
432 // register_biome({lots of stuff})
433 int ModApiMapgen::l_register_biome(lua_State *L)
436 luaL_checktype(L, index, LUA_TTABLE);
438 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
439 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
441 enum BiomeType biometype = (BiomeType)getenumfield(L, index, "type",
442 es_BiomeTerrainType, BIOME_TYPE_NORMAL);
443 Biome *b = bmgr->create(biometype);
445 b->name = getstringfield_default(L, index, "name", "");
446 b->depth_top = getintfield_default(L, index, "depth_top", 1);
447 b->depth_filler = getintfield_default(L, index, "depth_filler", 3);
448 b->height_shore = getintfield_default(L, index, "height_shore", 3);
449 b->depth_water_top = getintfield_default(L, index, "depth_water_top", 0);
450 b->y_min = getintfield_default(L, index, "y_min", -31000);
451 b->y_max = getintfield_default(L, index, "y_max", 31000);
452 b->heat_point = getfloatfield_default(L, index, "heat_point", 0.f);
453 b->humidity_point = getfloatfield_default(L, index, "humidity_point", 0.f);
454 b->flags = 0; //reserved
456 u32 id = bmgr->add(b);
462 NodeResolveInfo *nri = new NodeResolveInfo(b);
463 std::list<std::string> &nnames = nri->nodenames;
464 nnames.push_back(getstringfield_default(L, index, "node_top", ""));
465 nnames.push_back(getstringfield_default(L, index, "node_filler", ""));
466 nnames.push_back(getstringfield_default(L, index, "node_shore_top", ""));
467 nnames.push_back(getstringfield_default(L, index, "node_shore_filler", ""));
468 nnames.push_back(getstringfield_default(L, index, "node_underwater", ""));
469 nnames.push_back(getstringfield_default(L, index, "node_stone", ""));
470 nnames.push_back(getstringfield_default(L, index, "node_water_top", ""));
471 nnames.push_back(getstringfield_default(L, index, "node_water", ""));
472 nnames.push_back(getstringfield_default(L, index, "node_dust", ""));
473 ndef->pendNodeResolve(nri);
475 verbosestream << "register_biome: " << b->name << std::endl;
477 lua_pushinteger(L, id);
481 int ModApiMapgen::l_clear_registered_biomes(lua_State *L)
483 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
488 int ModApiMapgen::l_clear_registered_decorations(lua_State *L)
490 DecorationManager *dmgr = getServer(L)->getEmergeManager()->decomgr;
495 int ModApiMapgen::l_clear_registered_ores(lua_State *L)
497 OreManager *omgr = getServer(L)->getEmergeManager()->oremgr;
502 // register_decoration({lots of stuff})
503 int ModApiMapgen::l_register_decoration(lua_State *L)
506 luaL_checktype(L, index, LUA_TTABLE);
508 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
509 DecorationManager *decomgr = getServer(L)->getEmergeManager()->decomgr;
510 BiomeManager *biomemgr = getServer(L)->getEmergeManager()->biomemgr;
512 enum DecorationType decotype = (DecorationType)getenumfield(L, index,
513 "deco_type", es_DecorationType, -1);
515 Decoration *deco = decomgr->create(decotype);
517 errorstream << "register_decoration: decoration placement type "
518 << decotype << " not implemented";
522 deco->name = getstringfield_default(L, index, "name", "");
523 deco->fill_ratio = getfloatfield_default(L, index, "fill_ratio", 0.02);
524 deco->y_min = getintfield_default(L, index, "y_min", -31000);
525 deco->y_max = getintfield_default(L, index, "y_max", 31000);
526 deco->sidelen = getintfield_default(L, index, "sidelen", 8);
527 if (deco->sidelen <= 0) {
528 errorstream << "register_decoration: sidelen must be "
529 "greater than 0" << std::endl;
534 NodeResolveInfo *nri = new NodeResolveInfo(deco);
536 //// Get node name(s) to place decoration on
537 std::vector<const char *> place_on_names;
538 getstringlistfield(L, index, "place_on", place_on_names);
539 nri->nodelistinfo.push_back(NodeListInfo(place_on_names.size()));
540 for (size_t i = 0; i != place_on_names.size(); i++)
541 nri->nodenames.push_back(place_on_names[i]);
543 getflagsfield(L, index, "flags", flagdesc_deco, &deco->flags, NULL);
545 //// Get NoiseParams to define how decoration is placed
546 lua_getfield(L, index, "noise_params");
547 if (read_noiseparams(L, -1, &deco->np))
548 deco->flags |= DECO_USE_NOISE;
551 //// Get biomes associated with this decoration (if any)
552 std::vector<const char *> biome_list;
553 getstringlistfield(L, index, "biomes", biome_list);
554 for (size_t i = 0; i != biome_list.size(); i++) {
555 Biome *b = (Biome *)biomemgr->getByName(biome_list[i]);
559 deco->biomes.insert(b->id);
562 //// Handle decoration type-specific parameters
563 bool success = false;
566 success = regDecoSimple(L, nri, (DecoSimple *)deco);
569 success = regDecoSchematic(L, ndef, (DecoSchematic *)deco);
575 ndef->pendNodeResolve(nri);
582 u32 id = decomgr->add(deco);
588 verbosestream << "register_decoration: " << deco->name << std::endl;
590 lua_pushinteger(L, id);
594 bool ModApiMapgen::regDecoSimple(lua_State *L,
595 NodeResolveInfo *nri, DecoSimple *deco)
599 deco->deco_height = getintfield_default(L, index, "height", 1);
600 deco->deco_height_max = getintfield_default(L, index, "height_max", 0);
601 deco->nspawnby = getintfield_default(L, index, "num_spawn_by", -1);
603 if (deco->deco_height <= 0) {
604 errorstream << "register_decoration: simple decoration height"
605 " must be greater than 0" << std::endl;
609 std::vector<const char *> deco_names;
610 getstringlistfield(L, index, "decoration", deco_names);
611 if (deco_names.size() == 0) {
612 errorstream << "register_decoration: no decoration nodes "
613 "defined" << std::endl;
616 nri->nodelistinfo.push_back(NodeListInfo(deco_names.size()));
617 for (size_t i = 0; i != deco_names.size(); i++)
618 nri->nodenames.push_back(deco_names[i]);
620 std::vector<const char *> spawnby_names;
621 getstringlistfield(L, index, "spawn_by", spawnby_names);
622 if (deco->nspawnby != -1 && spawnby_names.size() == 0) {
623 errorstream << "register_decoration: no spawn_by nodes defined,"
624 " but num_spawn_by specified" << std::endl;
627 nri->nodelistinfo.push_back(NodeListInfo(spawnby_names.size()));
628 for (size_t i = 0; i != spawnby_names.size(); i++)
629 nri->nodenames.push_back(spawnby_names[i]);
634 bool ModApiMapgen::regDecoSchematic(lua_State *L, INodeDefManager *ndef,
639 deco->rotation = (Rotation)getenumfield(L, index, "rotation",
640 es_Rotation, ROTATE_0);
642 std::map<std::string, std::string> replace_names;
643 lua_getfield(L, index, "replacements");
644 if (lua_istable(L, -1))
645 read_schematic_replacements(L, replace_names, lua_gettop(L));
648 // TODO(hmmmm): get a ref from registered schematics
649 Schematic *schem = new Schematic;
650 lua_getfield(L, index, "schematic");
651 if (!get_schematic(L, -1, schem, ndef, replace_names)) {
658 deco->schematic = schem;
663 // register_ore({lots of stuff})
664 int ModApiMapgen::l_register_ore(lua_State *L)
667 luaL_checktype(L, index, LUA_TTABLE);
669 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
670 OreManager *oremgr = getServer(L)->getEmergeManager()->oremgr;
672 enum OreType oretype = (OreType)getenumfield(L, index,
673 "ore_type", es_OreType, ORE_TYPE_SCATTER);
674 Ore *ore = oremgr->create(oretype);
676 errorstream << "register_ore: ore_type " << oretype << " not implemented";
680 ore->name = getstringfield_default(L, index, "name", "");
681 ore->ore_param2 = (u8)getintfield_default(L, index, "ore_param2", 0);
682 ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
683 ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
684 ore->clust_size = getintfield_default(L, index, "clust_size", 0);
685 ore->nthresh = getfloatfield_default(L, index, "noise_threshhold", 0);
689 warn_if_field_exists(L, index, "height_min",
690 "Deprecated: new name is \"y_min\".");
691 warn_if_field_exists(L, index, "height_max",
692 "Deprecated: new name is \"y_max\".");
695 if (!getintfield(L, index, "y_min", ymin) &&
696 !getintfield(L, index, "height_min", ymin))
698 if (!getintfield(L, index, "y_max", ymax) &&
699 !getintfield(L, index, "height_max", ymax))
704 if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) {
705 errorstream << "register_ore: clust_scarcity and clust_num_ores"
706 "must be greater than 0" << std::endl;
711 getflagsfield(L, index, "flags", flagdesc_ore, &ore->flags, NULL);
713 lua_getfield(L, index, "noise_params");
714 if (read_noiseparams(L, -1, &ore->np)) {
715 ore->flags |= OREFLAG_USE_NOISE;
716 } else if (ore->NEEDS_NOISE) {
717 errorstream << "register_ore: specified ore type requires valid "
718 "noise parameters" << std::endl;
724 if (oretype == ORE_TYPE_VEIN) {
725 OreVein *orevein = (OreVein *)ore;
726 orevein->random_factor = getfloatfield_default(L, index,
727 "random_factor", 1.f);
730 u32 id = oremgr->add(ore);
736 NodeResolveInfo *nri = new NodeResolveInfo(ore);
737 nri->nodenames.push_back(getstringfield_default(L, index, "ore", ""));
739 std::vector<const char *> wherein_names;
740 getstringlistfield(L, index, "wherein", wherein_names);
741 nri->nodelistinfo.push_back(NodeListInfo(wherein_names.size()));
742 for (size_t i = 0; i != wherein_names.size(); i++)
743 nri->nodenames.push_back(wherein_names[i]);
745 ndef->pendNodeResolve(nri);
747 verbosestream << "register_ore: " << ore->name << std::endl;
749 lua_pushinteger(L, id);
753 // create_schematic(p1, p2, probability_list, filename)
754 int ModApiMapgen::l_create_schematic(lua_State *L)
758 Map *map = &(getEnv(L)->getMap());
759 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
761 v3s16 p1 = read_v3s16(L, 1);
762 v3s16 p2 = read_v3s16(L, 2);
763 sortBoxVerticies(p1, p2);
765 std::vector<std::pair<v3s16, u8> > prob_list;
766 if (lua_istable(L, 3)) {
768 while (lua_next(L, 3)) {
769 if (lua_istable(L, -1)) {
770 lua_getfield(L, -1, "pos");
771 v3s16 pos = read_v3s16(L, -1);
774 u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
775 prob_list.push_back(std::make_pair(pos, prob));
782 std::vector<std::pair<s16, u8> > slice_prob_list;
783 if (lua_istable(L, 5)) {
785 while (lua_next(L, 5)) {
786 if (lua_istable(L, -1)) {
787 s16 ypos = getintfield_default(L, -1, "ypos", 0);
788 u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
789 slice_prob_list.push_back(std::make_pair(ypos, prob));
796 const char *filename = luaL_checkstring(L, 4);
798 if (!schem.getSchematicFromMap(map, p1, p2)) {
799 errorstream << "create_schematic: failed to get schematic "
800 "from map" << std::endl;
804 schem.applyProbabilities(p1, &prob_list, &slice_prob_list);
806 schem.saveSchematicToFile(filename, ndef);
807 actionstream << "create_schematic: saved schematic file '"
808 << filename << "'." << std::endl;
813 // generate_ores(vm, [ore_id])
814 int ModApiMapgen::l_generate_ores(lua_State *L)
816 EmergeManager *emerge = getServer(L)->getEmergeManager();
819 mg.seed = emerge->params.seed;
820 mg.vm = LuaVoxelManip::checkobject(L, 1)->vm;
821 mg.ndef = getServer(L)->getNodeDefManager();
823 u32 blockseed = Mapgen::getBlockSeed(mg.vm->m_area.MinEdge, mg.seed);
825 emerge->oremgr->placeAllOres(&mg, blockseed,
826 mg.vm->m_area.MinEdge, mg.vm->m_area.MaxEdge);
831 // generate_decorations(vm, [deco_id])
832 int ModApiMapgen::l_generate_decorations(lua_State *L)
834 EmergeManager *emerge = getServer(L)->getEmergeManager();
837 mg.seed = emerge->params.seed;
838 mg.vm = LuaVoxelManip::checkobject(L, 1)->vm;
839 mg.ndef = getServer(L)->getNodeDefManager();
841 u32 blockseed = Mapgen::getBlockSeed(mg.vm->m_area.MinEdge, mg.seed);
843 emerge->decomgr->placeAllDecos(&mg, blockseed,
844 mg.vm->m_area.MinEdge, mg.vm->m_area.MaxEdge);
849 // place_schematic(p, schematic, rotation, replacement)
850 int ModApiMapgen::l_place_schematic(lua_State *L)
854 Map *map = &(getEnv(L)->getMap());
855 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
858 v3s16 p = read_v3s16(L, 1);
862 if (lua_isstring(L, 3))
863 string_to_enum(es_Rotation, rot, std::string(lua_tostring(L, 3)));
865 //// Read force placement
866 bool force_placement = true;
867 if (lua_isboolean(L, 5))
868 force_placement = lua_toboolean(L, 5);
870 //// Read node replacements
871 std::map<std::string, std::string> replace_names;
872 if (lua_istable(L, 4))
873 read_schematic_replacements(L, replace_names, 4);
876 if (!get_schematic(L, 2, &schem, ndef, replace_names)) {
877 errorstream << "place_schematic: failed to get schematic" << std::endl;
881 schem.placeStructure(map, p, 0, (Rotation)rot, force_placement, ndef);
886 void ModApiMapgen::Initialize(lua_State *L, int top)
888 API_FCT(get_mapgen_object);
890 API_FCT(get_mapgen_params);
891 API_FCT(set_mapgen_params);
892 API_FCT(set_noiseparams);
893 API_FCT(set_gen_notify);
895 API_FCT(register_biome);
896 API_FCT(register_decoration);
897 API_FCT(register_ore);
899 API_FCT(clear_registered_biomes);
900 API_FCT(clear_registered_decorations);
901 API_FCT(clear_registered_ores);
903 API_FCT(generate_ores);
904 API_FCT(generate_decorations);
906 API_FCT(create_schematic);
907 API_FCT(place_schematic);