1 /*
2 script/lua_api/l_mapgen.cpp
3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
4 */
5
6 /*
7 This file is part of Freeminer.
8
9 Freeminer is free software: you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation, either version 3 of the License, or
12 (at your option) any later version.
13
14 Freeminer is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with Freeminer. If not, see <http://www.gnu.org/licenses/>.
21 */
22
23 #include "lua_api/l_mapgen.h"
24 #include "lua_api/l_internal.h"
25 #include "lua_api/l_vmanip.h"
26 #include "common/c_converter.h"
27 #include "common/c_content.h"
28 #include "util/serialize.h"
29 #include "server.h"
30 #include "environment.h"
31 #include "emerge.h"
32 #include "mg_biome.h"
33 #include "mg_ore.h"
34 #include "mg_decoration.h"
35 #include "mg_schematic.h"
36 #include "mapgen_v7.h"
37 #include "settings.h"
38 #include "main.h"
39 #include "log.h"
40
41
42 struct EnumString ModApiMapgen::es_BiomeTerrainType[] =
43 {
44 {BIOME_TYPE_NORMAL, "normal"},
45 {BIOME_TYPE_LIQUID, "liquid"},
46 {BIOME_TYPE_NETHER, "nether"},
47 {BIOME_TYPE_AETHER, "aether"},
48 {BIOME_TYPE_FLAT, "flat"},
49 {0, NULL},
50 };
51
52 struct EnumString ModApiMapgen::es_DecorationType[] =
53 {
54 {DECO_SIMPLE, "simple"},
55 {DECO_SCHEMATIC, "schematic"},
56 {DECO_LSYSTEM, "lsystem"},
57 {0, NULL},
58 };
59
60 struct EnumString ModApiMapgen::es_MapgenObject[] =
61 {
62 {MGOBJ_VMANIP, "voxelmanip"},
63 {MGOBJ_HEIGHTMAP, "heightmap"},
64 {MGOBJ_BIOMEMAP, "biomemap"},
65 {MGOBJ_HEATMAP, "heatmap"},
66 {MGOBJ_HUMIDMAP, "humiditymap"},
67 {MGOBJ_GENNOTIFY, "gennotify"},
68 {0, NULL},
69 };
70
71 struct EnumString ModApiMapgen::es_OreType[] =
72 {
73 {ORE_SCATTER, "scatter"},
74 {ORE_SHEET, "sheet"},
75 {ORE_CLAYLIKE, "claylike"},
76 {0, NULL},
77 };
78
79 struct EnumString ModApiMapgen::es_Rotation[] =
80 {
81 {ROTATE_0, "0"},
82 {ROTATE_90, "90"},
83 {ROTATE_180, "180"},
84 {ROTATE_270, "270"},
85 {ROTATE_RAND, "random"},
86 {0, NULL},
87 };
88
89
read_schematic_replacements(lua_State * L,std::map<std::string,std::string> & replace_names,int index)90 static void read_schematic_replacements(lua_State *L,
91 std::map<std::string, std::string> &replace_names, int index)
92 {
93 lua_pushnil(L);
94 while (lua_next(L, index)) {
95 std::string replace_from;
96 std::string replace_to;
97
98 if (lua_istable(L, -1)) { // Old {{"x", "y"}, ...} format
99 lua_rawgeti(L, -1, 1);
100 replace_from = lua_tostring(L, -1);
101 lua_pop(L, 1);
102
103 lua_rawgeti(L, -1, 2);
104 replace_to = lua_tostring(L, -1);
105 lua_pop(L, 1);
106 } else { // New {x = "y", ...} format
107 replace_from = lua_tostring(L, -2);
108 replace_to = lua_tostring(L, -1);
109 }
110
111 replace_names[replace_from] = replace_to;
112 lua_pop(L, 1);
113 }
114 }
115
116
117 // get_mapgen_object(objectname)
118 // returns the requested object used during map generation
l_get_mapgen_object(lua_State * L)119 int ModApiMapgen::l_get_mapgen_object(lua_State *L)
120 {
121 const char *mgobjstr = lua_tostring(L, 1);
122
123 int mgobjint;
124 if (!string_to_enum(es_MapgenObject, mgobjint, mgobjstr ? mgobjstr : ""))
125 return 0;
126
127 enum MapgenObject mgobj = (MapgenObject)mgobjint;
128
129 EmergeManager *emerge = getServer(L)->getEmergeManager();
130 Mapgen *mg = emerge->getCurrentMapgen();
131 if (!mg)
132 return 0;
133
134 size_t maplen = mg->csize.X * mg->csize.Z;
135
136 switch (mgobj) {
137 case MGOBJ_VMANIP: {
138 ManualMapVoxelManipulator *vm = mg->vm;
139
140 // VoxelManip object
141 LuaVoxelManip *o = new LuaVoxelManip(vm, true);
142 *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
143 luaL_getmetatable(L, "VoxelManip");
144 lua_setmetatable(L, -2);
145
146 // emerged min pos
147 push_v3s16(L, vm->m_area.MinEdge);
148
149 // emerged max pos
150 push_v3s16(L, vm->m_area.MaxEdge);
151
152 return 3;
153 }
154 case MGOBJ_HEIGHTMAP: {
155 if (!mg->heightmap)
156 return 0;
157
158 lua_newtable(L);
159 for (size_t i = 0; i != maplen; i++) {
160 lua_pushinteger(L, mg->heightmap[i]);
161 lua_rawseti(L, -2, i + 1);
162 }
163
164 return 1;
165 }
166 case MGOBJ_BIOMEMAP: {
167 if (!mg->biomemap)
168 return 0;
169
170 lua_newtable(L);
171 for (size_t i = 0; i != maplen; i++) {
172 lua_pushinteger(L, mg->biomemap[i]);
173 lua_rawseti(L, -2, i + 1);
174 }
175
176 return 1;
177 }
178 case MGOBJ_HEATMAP: { // Mapgen V7 specific objects
179 case MGOBJ_HUMIDMAP:
180 if (strcmp(emerge->params.mg_name.c_str(), "v7"))
181 return 0;
182
183 MapgenV7 *mgv7 = (MapgenV7 *)mg;
184
185 float *arr = (mgobj == MGOBJ_HEATMAP) ?
186 mgv7->noise_heat->result : mgv7->noise_humidity->result;
187 if (!arr)
188 return 0;
189
190 lua_newtable(L);
191 for (size_t i = 0; i != maplen; i++) {
192 lua_pushnumber(L, arr[i]);
193 lua_rawseti(L, -2, i + 1);
194 }
195
196 return 1;
197 }
198 case MGOBJ_GENNOTIFY: {
199 lua_newtable(L);
200 for (int i = 0; flagdesc_gennotify[i].name; i++) {
201 if (!(emerge->gennotify & flagdesc_gennotify[i].flag))
202 continue;
203
204 std::vector<v3s16> *posvec = mg->gen_notifications[i];
205 if (!posvec)
206 return 0;
207
208 lua_newtable(L);
209 for (unsigned int j = 0; j != posvec->size(); j++) {
210 push_v3s16(L, (*posvec)[j]);
211 lua_rawseti(L, -2, j + 1);
212 }
213 lua_setfield(L, -2, flagdesc_gennotify[i].name);
214
215 posvec->clear();
216 }
217
218 return 1;
219 }
220 }
221
222 return 0;
223 }
224
225 // set_mapgen_params(params)
226 // set mapgen parameters
l_set_mapgen_params(lua_State * L)227 int ModApiMapgen::l_set_mapgen_params(lua_State *L)
228 {
229 if (!lua_istable(L, 1))
230 return 0;
231
232 EmergeManager *emerge = getServer(L)->getEmergeManager();
233 assert(emerge);
234
235 std::string flagstr;
236 u32 flags = 0, flagmask = 0;
237
238 lua_getfield(L, 1, "mgname");
239 if (lua_isstring(L, -1)) {
240 emerge->params.mg_name = std::string(lua_tostring(L, -1));
241 delete emerge->params.sparams;
242 emerge->params.sparams = NULL;
243 }
244
245 lua_getfield(L, 1, "seed");
246 if (lua_isnumber(L, -1))
247 emerge->params.seed = lua_tointeger(L, -1);
248
249 lua_getfield(L, 1, "water_level");
250 if (lua_isnumber(L, -1))
251 emerge->params.water_level = lua_tointeger(L, -1);
252
253 lua_getfield(L, 1, "flagmask");
254 if (lua_isstring(L, -1)) {
255 flagstr = lua_tostring(L, -1);
256 emerge->params.flags &= ~readFlagString(flagstr, flagdesc_mapgen, NULL);
257 errorstream << "set_mapgen_params(): flagmask field is deprecated, "
258 "see lua_api.txt" << std::endl;
259 }
260
261 if (getflagsfield(L, 1, "flags", flagdesc_mapgen, &flags, &flagmask)) {
262 emerge->params.flags &= ~flagmask;
263 emerge->params.flags |= flags;
264 }
265
266 return 0;
267 }
268
269 // set_noiseparam_defaults({np1={noise params}, ...})
270 // set default values for noise parameters if not present in global settings
l_set_noiseparam_defaults(lua_State * L)271 int ModApiMapgen::l_set_noiseparam_defaults(lua_State *L)
272 {
273 NoiseParams np;
274 std::string val, name;
275
276 if (!lua_istable(L, 1))
277 return 0;
278
279 lua_pushnil(L);
280 while (lua_next(L, 1)) {
281 if (read_noiseparams_nc(L, -1, &np)) {
282 if (!serializeStructToString(&val, NOISEPARAMS_FMT_STR, &np))
283 continue;
284 if (!lua_isstring(L, -2))
285 continue;
286
287 name = lua_tostring(L, -2);
288 g_settings->setDefault(name, val);
289 }
290 lua_pop(L, 1);
291 }
292
293 return 0;
294 }
295
296 // set_gen_notify(string)
l_set_gen_notify(lua_State * L)297 int ModApiMapgen::l_set_gen_notify(lua_State *L)
298 {
299 u32 flags = 0, flagmask = 0;
300
301 if (read_flags(L, 1, flagdesc_gennotify, &flags, &flagmask)) {
302 EmergeManager *emerge = getServer(L)->getEmergeManager();
303 emerge->gennotify = flags;
304 }
305
306 return 0;
307 }
308
309 // register_biome({lots of stuff})
l_register_biome(lua_State * L)310 int ModApiMapgen::l_register_biome(lua_State *L)
311 {
312 int index = 1;
313 luaL_checktype(L, index, LUA_TTABLE);
314
315 NodeResolver *resolver = getServer(L)->getNodeDefManager()->getResolver();
316 BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
317
318 enum BiomeType biometype = (BiomeType)getenumfield(L, index, "type",
319 es_BiomeTerrainType, BIOME_TYPE_NORMAL);
320 Biome *b = bmgr->create(biometype);
321
322 b->name = getstringfield_default(L, index, "name", "");
323 b->depth_top = getintfield_default(L, index, "depth_top", 1);
324 b->depth_filler = getintfield_default(L, index, "depth_filler", 3);
325 b->height_min = getintfield_default(L, index, "height_min", 0);
326 b->height_max = getintfield_default(L, index, "height_max", 0);
327 b->heat_point = getfloatfield_default(L, index, "heat_point", 0.);
328 b->humidity_point = getfloatfield_default(L, index, "humidity_point", 0.);
329 b->flags = 0; //reserved
330
331 u32 id = bmgr->add(b);
332 if (id == (u32)-1) {
333 delete b;
334 return 0;
335 }
336
337 // Pend node resolutions only if insertion succeeded
338 resolver->addNode(getstringfield_default(L, index, "node_top", ""),
339 "mapgen_dirt_with_grass", CONTENT_AIR, &b->c_top);
340 resolver->addNode(getstringfield_default(L, index, "node_filler", ""),
341 "mapgen_dirt", CONTENT_AIR, &b->c_filler);
342 resolver->addNode(getstringfield_default(L, index, "node_water", ""),
343 "mapgen_water_source", CONTENT_AIR, &b->c_water);
344 resolver->addNode(getstringfield_default(L, index, "node_dust", ""),
345 "air", CONTENT_IGNORE, &b->c_dust);
346 resolver->addNode(getstringfield_default(L, index, "node_dust_water", ""),
347 "mapgen_water_source", CONTENT_IGNORE, &b->c_dust_water);
348
349 resolver->addNode(getstringfield_default(L, index, "node_top_cold", ""),
350 "mapgen_dirt_with_snow", b->c_top, &b->c_top_cold);
351 resolver->addNode(getstringfield_default(L, index, "node_ice", ""),
352 "mapgen_ice", b->c_water, &b->c_ice);
353
354 verbosestream << "register_biome: " << b->name << std::endl;
355
356 lua_pushinteger(L, id);
357 return 1;
358 }
359
360 // register_decoration({lots of stuff})
l_register_decoration(lua_State * L)361 int ModApiMapgen::l_register_decoration(lua_State *L)
362 {
363 int index = 1;
364 luaL_checktype(L, index, LUA_TTABLE);
365
366 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
367 NodeResolver *resolver = getServer(L)->getNodeDefManager()->getResolver();
368 DecorationManager *decomgr = getServer(L)->getEmergeManager()->decomgr;
369 BiomeManager *biomemgr = getServer(L)->getEmergeManager()->biomemgr;
370
371 enum DecorationType decotype = (DecorationType)getenumfield(L, index,
372 "deco_type", es_DecorationType, -1);
373
374 Decoration *deco = decomgr->create(decotype);
375 if (!deco) {
376 errorstream << "register_decoration: decoration placement type "
377 << decotype << " not implemented";
378 return 0;
379 }
380
381 deco->name = getstringfield_default(L, index, "name", "");
382 deco->fill_ratio = getfloatfield_default(L, index, "fill_ratio", 0.02);
383 deco->sidelen = getintfield_default(L, index, "sidelen", 8);
384 if (deco->sidelen <= 0) {
385 errorstream << "register_decoration: sidelen must be "
386 "greater than 0" << std::endl;
387 delete deco;
388 return 0;
389 }
390
391 //// Get node name(s) to place decoration on
392 std::vector<const char *> place_on_names;
393 getstringlistfield(L, index, "place_on", place_on_names);
394 for (size_t i = 0; i != place_on_names.size(); i++)
395 resolver->addNodeList(place_on_names[i], &deco->c_place_on);
396
397 //// Get NoiseParams to define how decoration is placed
398 lua_getfield(L, index, "noise_params");
399 deco->np = read_noiseparams(L, -1);
400 lua_pop(L, 1);
401
402 //// Get biomes associated with this decoration (if any)
403 std::vector<const char *> biome_list;
404 getstringlistfield(L, index, "biomes", biome_list);
405 for (size_t i = 0; i != biome_list.size(); i++) {
406 Biome *b = (Biome *)biomemgr->getByName(biome_list[i]);
407 if (!b)
408 continue;
409
410 deco->biomes.insert(b->id);
411 }
412
413 //// Handle decoration type-specific parameters
414 bool success = false;
415 switch (decotype) {
416 case DECO_SIMPLE:
417 success = regDecoSimple(L, resolver, (DecoSimple *)deco);
418 break;
419 case DECO_SCHEMATIC:
420 success = regDecoSchematic(L, ndef, (DecoSchematic *)deco);
421 break;
422 case DECO_LSYSTEM:
423 break;
424 }
425
426 if (!success) {
427 delete deco;
428 return 0;
429 }
430
431 u32 id = decomgr->add(deco);
432 if (id == (u32)-1) {
433 delete deco;
434 return 0;
435 }
436
437 lua_pushinteger(L, id);
438 return 1;
439 }
440
regDecoSimple(lua_State * L,NodeResolver * resolver,DecoSimple * deco)441 bool ModApiMapgen::regDecoSimple(lua_State *L,
442 NodeResolver *resolver, DecoSimple *deco)
443 {
444 int index = 1;
445
446 deco->deco_height = getintfield_default(L, index, "height", 1);
447 deco->deco_height_max = getintfield_default(L, index, "height_max", 0);
448 deco->nspawnby = getintfield_default(L, index, "num_spawn_by", -1);
449
450 if (deco->deco_height <= 0) {
451 errorstream << "register_decoration: simple decoration height"
452 " must be greater than 0" << std::endl;
453 return false;
454 }
455
456 std::vector<const char *> deco_names;
457 getstringlistfield(L, index, "decoration", deco_names);
458 if (deco_names.size() == 0) {
459 errorstream << "register_decoration: no decoration nodes "
460 "defined" << std::endl;
461 return false;
462 }
463
464 std::vector<const char *> spawnby_names;
465 getstringlistfield(L, index, "spawn_by", spawnby_names);
466 if (deco->nspawnby != -1 && spawnby_names.size() == 0) {
467 errorstream << "register_decoration: no spawn_by nodes defined,"
468 " but num_spawn_by specified" << std::endl;
469 return false;
470 }
471
472 for (size_t i = 0; i != deco_names.size(); i++)
473 resolver->addNodeList(deco_names[i], &deco->c_decos);
474 for (size_t i = 0; i != spawnby_names.size(); i++)
475 resolver->addNodeList(spawnby_names[i], &deco->c_spawnby);
476
477 return true;
478 }
479
regDecoSchematic(lua_State * L,INodeDefManager * ndef,DecoSchematic * deco)480 bool ModApiMapgen::regDecoSchematic(lua_State *L, INodeDefManager *ndef,
481 DecoSchematic *deco)
482 {
483 int index = 1;
484
485 deco->flags = 0;
486 getflagsfield(L, index, "flags", flagdesc_deco_schematic, &deco->flags, NULL);
487
488 deco->rotation = (Rotation)getenumfield(L, index, "rotation",
489 es_Rotation, ROTATE_0);
490
491 std::map<std::string, std::string> replace_names;
492 lua_getfield(L, index, "replacements");
493 if (lua_istable(L, -1))
494 read_schematic_replacements(L, replace_names, lua_gettop(L));
495 lua_pop(L, 1);
496
497 Schematic *schem = new Schematic;
498 lua_getfield(L, index, "schematic");
499 if (!get_schematic(L, -1, schem, ndef, replace_names)) {
500 lua_pop(L, 1);
501 delete schem;
502 return false;
503 }
504 lua_pop(L, 1);
505
506 deco->schematic = schem;
507
508 return true;
509 }
510
511 // register_ore({lots of stuff})
l_register_ore(lua_State * L)512 int ModApiMapgen::l_register_ore(lua_State *L)
513 {
514 int index = 1;
515 luaL_checktype(L, index, LUA_TTABLE);
516
517 NodeResolver *resolver = getServer(L)->getNodeDefManager()->getResolver();
518 OreManager *oremgr = getServer(L)->getEmergeManager()->oremgr;
519
520 enum OreType oretype = (OreType)getenumfield(L, index,
521 "ore_type", es_OreType, ORE_SCATTER);
522 Ore *ore = oremgr->create(oretype);
523 if (!ore) {
524 errorstream << "register_ore: ore_type " << oretype << " not implemented";
525 return 0;
526 }
527
528 ore->name = getstringfield_default(L, index, "name", "");
529 ore->ore_param2 = (u8)getintfield_default(L, index, "ore_param2", 0);
530 ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
531 ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
532 ore->clust_size = getintfield_default(L, index, "clust_size", 0);
533 ore->height_min = getintfield_default(L, index, "height_min", 0);
534 ore->height_max = getintfield_default(L, index, "height_max", 0);
535 ore->nthresh = getfloatfield_default(L, index, "noise_threshhold", 0);
536 ore->noise = NULL;
537 ore->flags = 0;
538
539 if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) {
540 errorstream << "register_ore: clust_scarcity and clust_num_ores"
541 "must be greater than 0" << std::endl;
542 delete ore;
543 return 0;
544 }
545
546 getflagsfield(L, index, "flags", flagdesc_ore, &ore->flags, NULL);
547
548 lua_getfield(L, index, "noise_params");
549 ore->np = read_noiseparams(L, -1);
550 lua_pop(L, 1);
551
552 u32 id = oremgr->add(ore);
553 if (id == (u32)-1) {
554 delete ore;
555 return 0;
556 }
557
558 std::vector<const char *> wherein_names;
559 getstringlistfield(L, index, "wherein", wherein_names);
560 for (size_t i = 0; i != wherein_names.size(); i++)
561 resolver->addNodeList(wherein_names[i], &ore->c_wherein);
562
563 resolver->addNode(getstringfield_default(L, index, "ore", ""),
564 "", CONTENT_AIR, &ore->c_ore);
565
566 lua_pushinteger(L, id);
567 return 1;
568 }
569
570 // create_schematic(p1, p2, probability_list, filename)
l_create_schematic(lua_State * L)571 int ModApiMapgen::l_create_schematic(lua_State *L)
572 {
573 Schematic schem;
574
575 Map *map = &(getEnv(L)->getMap());
576 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
577
578 v3s16 p1 = read_v3s16(L, 1);
579 v3s16 p2 = read_v3s16(L, 2);
580 sortBoxVerticies(p1, p2);
581
582 std::vector<std::pair<v3s16, u8> > prob_list;
583 if (lua_istable(L, 3)) {
584 lua_pushnil(L);
585 while (lua_next(L, 3)) {
586 if (lua_istable(L, -1)) {
587 lua_getfield(L, -1, "pos");
588 v3s16 pos = read_v3s16(L, -1);
589 lua_pop(L, 1);
590
591 u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
592 prob_list.push_back(std::make_pair(pos, prob));
593 }
594
595 lua_pop(L, 1);
596 }
597 }
598
599 std::vector<std::pair<s16, u8> > slice_prob_list;
600 if (lua_istable(L, 5)) {
601 lua_pushnil(L);
602 while (lua_next(L, 5)) {
603 if (lua_istable(L, -1)) {
604 s16 ypos = getintfield_default(L, -1, "ypos", 0);
605 u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
606 slice_prob_list.push_back(std::make_pair(ypos, prob));
607 }
608
609 lua_pop(L, 1);
610 }
611 }
612
613 const char *filename = luaL_checkstring(L, 4);
614
615 if (!schem.getSchematicFromMap(map, p1, p2)) {
616 errorstream << "create_schematic: failed to get schematic "
617 "from map" << std::endl;
618 return 0;
619 }
620
621 schem.applyProbabilities(p1, &prob_list, &slice_prob_list);
622
623 schem.saveSchematicToFile(filename, ndef);
624 actionstream << "create_schematic: saved schematic file '"
625 << filename << "'." << std::endl;
626
627 return 1;
628 }
629
630 // place_schematic(p, schematic, rotation, replacement)
l_place_schematic(lua_State * L)631 int ModApiMapgen::l_place_schematic(lua_State *L)
632 {
633 Schematic schem;
634
635 Map *map = &(getEnv(L)->getMap());
636 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
637
638 //// Read position
639 v3s16 p = read_v3s16(L, 1);
640
641 //// Read rotation
642 int rot = ROTATE_0;
643 if (lua_isstring(L, 3))
644 string_to_enum(es_Rotation, rot, std::string(lua_tostring(L, 3)));
645
646 //// Read force placement
647 bool force_placement = true;
648 if (lua_isboolean(L, 5))
649 force_placement = lua_toboolean(L, 5);
650
651 //// Read node replacements
652 std::map<std::string, std::string> replace_names;
653 if (lua_istable(L, 4))
654 read_schematic_replacements(L, replace_names, 4);
655
656 //// Read schematic
657 if (!get_schematic(L, 2, &schem, ndef, replace_names)) {
658 errorstream << "place_schematic: failed to get schematic" << std::endl;
659 return 0;
660 }
661
662 schem.placeStructure(map, p, 0, (Rotation)rot, force_placement, ndef);
663
664 return 1;
665 }
666
Initialize(lua_State * L,int top)667 void ModApiMapgen::Initialize(lua_State *L, int top)
668 {
669 API_FCT(get_mapgen_object);
670
671 API_FCT(set_mapgen_params);
672 API_FCT(set_noiseparam_defaults);
673 API_FCT(set_gen_notify);
674
675 API_FCT(register_biome);
676 API_FCT(register_decoration);
677 API_FCT(register_ore);
678
679 API_FCT(create_schematic);
680 API_FCT(place_schematic);
681 }
682