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_env.h"
21 #include "lua_api/l_internal.h"
22 #include "lua_api/l_nodemeta.h"
23 #include "lua_api/l_nodetimer.h"
24 #include "lua_api/l_noise.h"
25 #include "lua_api/l_vmanip.h"
26 #include "common/c_converter.h"
27 #include "common/c_content.h"
28 #include "scripting_game.h"
29 #include "environment.h"
32 #include "daynightratio.h"
33 #include "util/pointedthing.h"
34 #include "content_sao.h"
37 #include "pathfinder.h"
39 ///////////////////////////////////////////////////////////////////////////////
42 void LuaABM::trigger(ServerEnvironment *env, v3s16 p, MapNode n,
43 u32 active_object_count, u32 active_object_count_wider)
45 GameScripting *scriptIface = env->getScriptIface();
46 scriptIface->realityCheck();
48 lua_State *L = scriptIface->getStack();
49 sanity_check(lua_checkstack(L, 20));
50 StackUnroller stack_unroller(L);
52 int error_handler = PUSH_ERROR_HANDLER(L);
54 // Get registered_abms
55 lua_getglobal(L, "core");
56 lua_getfield(L, -1, "registered_abms");
57 luaL_checktype(L, -1, LUA_TTABLE);
58 lua_remove(L, -2); // Remove core
60 // Get registered_abms[m_id]
61 lua_pushnumber(L, m_id);
65 lua_remove(L, -2); // Remove registered_abms
67 scriptIface->setOriginFromTable(-1);
70 luaL_checktype(L, -1, LUA_TTABLE);
71 lua_getfield(L, -1, "action");
72 luaL_checktype(L, -1, LUA_TFUNCTION);
73 lua_remove(L, -2); // Remove registered_abms[m_id]
75 pushnode(L, n, env->getGameDef()->ndef());
76 lua_pushnumber(L, active_object_count);
77 lua_pushnumber(L, active_object_count_wider);
79 int result = lua_pcall(L, 4, 0, error_handler);
81 scriptIface->scriptError(result, "LuaABM::trigger");
83 lua_pop(L, 1); // Pop error handler
88 // set_node(pos, node)
89 // pos = {x=num, y=num, z=num}
90 int ModApiEnvMod::l_set_node(lua_State *L)
94 INodeDefManager *ndef = env->getGameDef()->ndef();
96 v3s16 pos = read_v3s16(L, 1);
97 MapNode n = readnode(L, 2, ndef);
99 bool succeeded = env->setNode(pos, n);
100 lua_pushboolean(L, succeeded);
104 int ModApiEnvMod::l_add_node(lua_State *L)
106 return l_set_node(L);
110 // pos = {x=num, y=num, z=num}
111 int ModApiEnvMod::l_remove_node(lua_State *L)
116 v3s16 pos = read_v3s16(L, 1);
118 bool succeeded = env->removeNode(pos);
119 lua_pushboolean(L, succeeded);
123 // swap_node(pos, node)
124 // pos = {x=num, y=num, z=num}
125 int ModApiEnvMod::l_swap_node(lua_State *L)
129 INodeDefManager *ndef = env->getGameDef()->ndef();
131 v3s16 pos = read_v3s16(L, 1);
132 MapNode n = readnode(L, 2, ndef);
134 bool succeeded = env->swapNode(pos, n);
135 lua_pushboolean(L, succeeded);
140 // pos = {x=num, y=num, z=num}
141 int ModApiEnvMod::l_get_node(lua_State *L)
146 v3s16 pos = read_v3s16(L, 1);
148 MapNode n = env->getMap().getNodeNoEx(pos);
150 pushnode(L, n, env->getGameDef()->ndef());
154 // get_node_or_nil(pos)
155 // pos = {x=num, y=num, z=num}
156 int ModApiEnvMod::l_get_node_or_nil(lua_State *L)
161 v3s16 pos = read_v3s16(L, 1);
164 MapNode n = env->getMap().getNodeNoEx(pos, &pos_ok);
167 pushnode(L, n, env->getGameDef()->ndef());
174 // get_node_light(pos, timeofday)
175 // pos = {x=num, y=num, z=num}
176 // timeofday: nil = current time, 0 = night, 0.5 = day
177 int ModApiEnvMod::l_get_node_light(lua_State *L)
182 v3s16 pos = read_v3s16(L, 1);
183 u32 time_of_day = env->getTimeOfDay();
184 if(lua_isnumber(L, 2))
185 time_of_day = 24000.0 * lua_tonumber(L, 2);
186 time_of_day %= 24000;
187 u32 dnr = time_to_daynight_ratio(time_of_day, true);
190 MapNode n = env->getMap().getNodeNoEx(pos, &is_position_ok);
191 if (is_position_ok) {
192 INodeDefManager *ndef = env->getGameDef()->ndef();
193 lua_pushinteger(L, n.getLightBlend(dnr, ndef));
200 // place_node(pos, node)
201 // pos = {x=num, y=num, z=num}
202 int ModApiEnvMod::l_place_node(lua_State *L)
206 ScriptApiItem *scriptIfaceItem = getScriptApi<ScriptApiItem>(L);
207 Server *server = getServer(L);
208 INodeDefManager *ndef = server->ndef();
209 IItemDefManager *idef = server->idef();
211 v3s16 pos = read_v3s16(L, 1);
212 MapNode n = readnode(L, 2, ndef);
214 // Don't attempt to load non-loaded area as of now
215 MapNode n_old = env->getMap().getNodeNoEx(pos);
216 if(n_old.getContent() == CONTENT_IGNORE){
217 lua_pushboolean(L, false);
220 // Create item to place
221 ItemStack item(ndef->get(n).name, 1, 0, "", idef);
222 // Make pointed position
223 PointedThing pointed;
224 pointed.type = POINTEDTHING_NODE;
225 pointed.node_abovesurface = pos;
226 pointed.node_undersurface = pos + v3s16(0,-1,0);
227 // Place it with a NULL placer (appears in Lua as a non-functional
229 bool success = scriptIfaceItem->item_OnPlace(item, NULL, pointed);
230 lua_pushboolean(L, success);
235 // pos = {x=num, y=num, z=num}
236 int ModApiEnvMod::l_dig_node(lua_State *L)
240 ScriptApiNode *scriptIfaceNode = getScriptApi<ScriptApiNode>(L);
242 v3s16 pos = read_v3s16(L, 1);
244 // Don't attempt to load non-loaded area as of now
245 MapNode n = env->getMap().getNodeNoEx(pos);
246 if(n.getContent() == CONTENT_IGNORE){
247 lua_pushboolean(L, false);
250 // Dig it out with a NULL digger (appears in Lua as a
251 // non-functional ObjectRef)
252 bool success = scriptIfaceNode->node_on_dig(pos, n, NULL);
253 lua_pushboolean(L, success);
258 // pos = {x=num, y=num, z=num}
259 int ModApiEnvMod::l_punch_node(lua_State *L)
263 ScriptApiNode *scriptIfaceNode = getScriptApi<ScriptApiNode>(L);
265 v3s16 pos = read_v3s16(L, 1);
267 // Don't attempt to load non-loaded area as of now
268 MapNode n = env->getMap().getNodeNoEx(pos);
269 if(n.getContent() == CONTENT_IGNORE){
270 lua_pushboolean(L, false);
273 // Punch it with a NULL puncher (appears in Lua as a non-functional
275 bool success = scriptIfaceNode->node_on_punch(pos, n, NULL, PointedThing());
276 lua_pushboolean(L, success);
280 // get_node_max_level(pos)
281 // pos = {x=num, y=num, z=num}
282 int ModApiEnvMod::l_get_node_max_level(lua_State *L)
286 v3s16 pos = read_v3s16(L, 1);
287 MapNode n = env->getMap().getNodeNoEx(pos);
288 lua_pushnumber(L, n.getMaxLevel(env->getGameDef()->ndef()));
292 // get_node_level(pos)
293 // pos = {x=num, y=num, z=num}
294 int ModApiEnvMod::l_get_node_level(lua_State *L)
298 v3s16 pos = read_v3s16(L, 1);
299 MapNode n = env->getMap().getNodeNoEx(pos);
300 lua_pushnumber(L, n.getLevel(env->getGameDef()->ndef()));
304 // set_node_level(pos, level)
305 // pos = {x=num, y=num, z=num}
307 int ModApiEnvMod::l_set_node_level(lua_State *L)
311 v3s16 pos = read_v3s16(L, 1);
313 if(lua_isnumber(L, 2))
314 level = lua_tonumber(L, 2);
315 MapNode n = env->getMap().getNodeNoEx(pos);
316 lua_pushnumber(L, n.setLevel(env->getGameDef()->ndef(), level));
317 env->setNode(pos, n);
321 // add_node_level(pos, level)
322 // pos = {x=num, y=num, z=num}
324 int ModApiEnvMod::l_add_node_level(lua_State *L)
328 v3s16 pos = read_v3s16(L, 1);
330 if(lua_isnumber(L, 2))
331 level = lua_tonumber(L, 2);
332 MapNode n = env->getMap().getNodeNoEx(pos);
333 lua_pushnumber(L, n.addLevel(env->getGameDef()->ndef(), level));
334 env->setNode(pos, n);
338 // find_nodes_with_meta(pos1, pos2)
339 int ModApiEnvMod::l_find_nodes_with_meta(lua_State *L)
343 std::vector<v3s16> positions = env->getMap().findNodesWithMetadata(
344 check_v3s16(L, 1), check_v3s16(L, 2));
347 for (size_t i = 0; i != positions.size(); i++) {
348 push_v3s16(L, positions[i]);
349 lua_rawseti(L, -2, i + 1);
356 int ModApiEnvMod::l_get_meta(lua_State *L)
361 v3s16 p = read_v3s16(L, 1);
362 NodeMetaRef::create(L, p, env);
366 // get_node_timer(pos)
367 int ModApiEnvMod::l_get_node_timer(lua_State *L)
372 v3s16 p = read_v3s16(L, 1);
373 NodeTimerRef::create(L, p, env);
377 // add_entity(pos, entityname) -> ObjectRef or nil
378 // pos = {x=num, y=num, z=num}
379 int ModApiEnvMod::l_add_entity(lua_State *L)
384 v3f pos = checkFloatPos(L, 1);
386 const char *name = luaL_checkstring(L, 2);
388 ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
389 int objectid = env->addActiveObject(obj);
390 // If failed to add, return nothing (reads as nil)
394 getScriptApiBase(L)->objectrefGetOrCreate(L, obj);
398 // add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil
399 // pos = {x=num, y=num, z=num}
400 int ModApiEnvMod::l_add_item(lua_State *L)
405 //v3f pos = checkFloatPos(L, 1);
407 ItemStack item = read_item(L, 2,getServer(L));
408 if(item.empty() || !item.isKnown(getServer(L)->idef()))
411 int error_handler = PUSH_ERROR_HANDLER(L);
413 // Use spawn_item to spawn a __builtin:item
414 lua_getglobal(L, "core");
415 lua_getfield(L, -1, "spawn_item");
416 lua_remove(L, -2); // Remove core
420 lua_pushstring(L, item.getItemString().c_str());
422 PCALL_RESL(L, lua_pcall(L, 2, 1, error_handler));
424 lua_remove(L, error_handler);
428 // get_player_by_name(name)
429 int ModApiEnvMod::l_get_player_by_name(lua_State *L)
434 const char *name = luaL_checkstring(L, 1);
435 Player *player = env->getPlayer(name);
440 PlayerSAO *sao = player->getPlayerSAO();
445 // Put player on stack
446 getScriptApiBase(L)->objectrefGetOrCreate(L, sao);
450 // get_objects_inside_radius(pos, radius)
451 int ModApiEnvMod::l_get_objects_inside_radius(lua_State *L)
456 v3f pos = checkFloatPos(L, 1);
457 float radius = luaL_checknumber(L, 2) * BS;
458 std::vector<u16> ids;
459 env->getObjectsInsideRadius(ids, pos, radius);
460 ScriptApiBase *script = getScriptApiBase(L);
461 lua_createtable(L, ids.size(), 0);
462 std::vector<u16>::const_iterator iter = ids.begin();
463 for(u32 i = 0; iter != ids.end(); iter++) {
464 ServerActiveObject *obj = env->getActiveObject(*iter);
465 // Insert object reference into table
466 script->objectrefGetOrCreate(L, obj);
467 lua_rawseti(L, -2, ++i);
472 // set_timeofday(val)
474 int ModApiEnvMod::l_set_timeofday(lua_State *L)
479 float timeofday_f = luaL_checknumber(L, 1);
480 sanity_check(timeofday_f >= 0.0 && timeofday_f <= 1.0);
481 int timeofday_mh = (int)(timeofday_f * 24000.0);
482 // This should be set directly in the environment but currently
483 // such changes aren't immediately sent to the clients, so call
484 // the server instead.
485 //env->setTimeOfDay(timeofday_mh);
486 getServer(L)->setTimeOfDay(timeofday_mh);
490 // get_timeofday() -> 0...1
491 int ModApiEnvMod::l_get_timeofday(lua_State *L)
496 int timeofday_mh = env->getTimeOfDay();
497 float timeofday_f = (float)timeofday_mh / 24000.0;
498 lua_pushnumber(L, timeofday_f);
503 int ModApiEnvMod::l_get_gametime(lua_State *L)
507 int game_time = env->getGameTime();
508 lua_pushnumber(L, game_time);
513 // find_node_near(pos, radius, nodenames) -> pos or nil
514 // nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
515 int ModApiEnvMod::l_find_node_near(lua_State *L)
519 INodeDefManager *ndef = getServer(L)->ndef();
520 v3s16 pos = read_v3s16(L, 1);
521 int radius = luaL_checkinteger(L, 2);
522 std::set<content_t> filter;
523 if(lua_istable(L, 3)){
526 while(lua_next(L, table) != 0){
527 // key at index -2 and value at index -1
528 luaL_checktype(L, -1, LUA_TSTRING);
529 ndef->getIds(lua_tostring(L, -1), filter);
530 // removes value, keeps key for next iteration
533 } else if(lua_isstring(L, 3)){
534 ndef->getIds(lua_tostring(L, 3), filter);
537 for(int d=1; d<=radius; d++){
538 std::vector<v3s16> list = FacePositionCache::getFacePositions(d);
539 for(std::vector<v3s16>::iterator i = list.begin();
540 i != list.end(); ++i){
541 v3s16 p = pos + (*i);
542 content_t c = env->getMap().getNodeNoEx(p).getContent();
543 if(filter.count(c) != 0){
552 // find_nodes_in_area(minp, maxp, nodenames) -> list of positions
553 // nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
554 int ModApiEnvMod::l_find_nodes_in_area(lua_State *L)
558 INodeDefManager *ndef = getServer(L)->ndef();
559 v3s16 minp = read_v3s16(L, 1);
560 v3s16 maxp = read_v3s16(L, 2);
561 std::set<content_t> filter;
562 if(lua_istable(L, 3)) {
565 while(lua_next(L, table) != 0) {
566 // key at index -2 and value at index -1
567 luaL_checktype(L, -1, LUA_TSTRING);
568 ndef->getIds(lua_tostring(L, -1), filter);
569 // removes value, keeps key for next iteration
572 } else if(lua_isstring(L, 3)) {
573 ndef->getIds(lua_tostring(L, 3), filter);
576 std::map<content_t, u16> individual_count;
580 for (s16 x = minp.X; x <= maxp.X; x++)
581 for (s16 y = minp.Y; y <= maxp.Y; y++)
582 for (s16 z = minp.Z; z <= maxp.Z; z++) {
584 content_t c = env->getMap().getNodeNoEx(p).getContent();
585 if (filter.count(c) != 0) {
587 lua_rawseti(L, -2, ++i);
588 individual_count[c]++;
592 for (std::set<content_t>::iterator it = filter.begin();
593 it != filter.end(); ++it) {
594 lua_pushnumber(L, individual_count[*it]);
595 lua_setfield(L, -2, ndef->get(*it).name.c_str());
600 // find_nodes_in_area_under_air(minp, maxp, nodenames) -> list of positions
601 // nodenames: e.g. {"ignore", "group:tree"} or "default:dirt"
602 int ModApiEnvMod::l_find_nodes_in_area_under_air(lua_State *L)
604 /* Note: A similar but generalized (and therefore slower) version of this
605 * function could be created -- e.g. find_nodes_in_area_under -- which
606 * would accept a node name (or ID?) or list of names that the "above node"
613 INodeDefManager *ndef = getServer(L)->ndef();
614 v3s16 minp = read_v3s16(L, 1);
615 v3s16 maxp = read_v3s16(L, 2);
616 std::set<content_t> filter;
618 if (lua_istable(L, 3)) {
621 while(lua_next(L, table) != 0) {
622 // key at index -2 and value at index -1
623 luaL_checktype(L, -1, LUA_TSTRING);
624 ndef->getIds(lua_tostring(L, -1), filter);
625 // removes value, keeps key for next iteration
628 } else if (lua_isstring(L, 3)) {
629 ndef->getIds(lua_tostring(L, 3), filter);
634 for (s16 x = minp.X; x <= maxp.X; x++)
635 for (s16 z = minp.Z; z <= maxp.Z; z++) {
638 content_t c = env->getMap().getNodeNoEx(p).getContent();
639 for (; y <= maxp.Y; y++) {
640 v3s16 psurf(x, y + 1, z);
641 content_t csurf = env->getMap().getNodeNoEx(psurf).getContent();
642 if(c != CONTENT_AIR && csurf == CONTENT_AIR &&
643 filter.count(c) != 0) {
644 push_v3s16(L, v3s16(x, y, z));
645 lua_rawseti(L, -2, ++i);
653 // get_perlin(seeddiff, octaves, persistence, scale)
654 // returns world-specific PerlinNoise
655 int ModApiEnvMod::l_get_perlin(lua_State *L)
657 GET_ENV_PTR_NO_MAP_LOCK;
661 if (lua_istable(L, 1)) {
662 read_noiseparams(L, 1, ¶ms);
664 params.seed = luaL_checkint(L, 1);
665 params.octaves = luaL_checkint(L, 2);
666 params.persist = luaL_checknumber(L, 3);
667 params.spread = v3f(1, 1, 1) * luaL_checknumber(L, 4);
670 params.seed += (int)env->getServerMap().getSeed();
672 LuaPerlinNoise *n = new LuaPerlinNoise(¶ms);
673 *(void **)(lua_newuserdata(L, sizeof(void *))) = n;
674 luaL_getmetatable(L, "PerlinNoise");
675 lua_setmetatable(L, -2);
679 // get_perlin_map(noiseparams, size)
680 // returns world-specific PerlinNoiseMap
681 int ModApiEnvMod::l_get_perlin_map(lua_State *L)
683 GET_ENV_PTR_NO_MAP_LOCK;
686 if (!read_noiseparams(L, 1, &np))
688 v3s16 size = read_v3s16(L, 2);
690 int seed = (int)(env->getServerMap().getSeed());
691 LuaPerlinNoiseMap *n = new LuaPerlinNoiseMap(&np, seed, size);
692 *(void **)(lua_newuserdata(L, sizeof(void *))) = n;
693 luaL_getmetatable(L, "PerlinNoiseMap");
694 lua_setmetatable(L, -2);
699 // returns voxel manipulator
700 int ModApiEnvMod::l_get_voxel_manip(lua_State *L)
704 Map *map = &(env->getMap());
705 LuaVoxelManip *o = (lua_istable(L, 1) && lua_istable(L, 2)) ?
706 new LuaVoxelManip(map, read_v3s16(L, 1), read_v3s16(L, 2)) :
707 new LuaVoxelManip(map);
709 *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
710 luaL_getmetatable(L, "VoxelManip");
711 lua_setmetatable(L, -2);
716 // clear all objects in the environment
717 int ModApiEnvMod::l_clear_objects(lua_State *L)
721 env->clearAllObjects();
725 // line_of_sight(pos1, pos2, stepsize) -> true/false, pos
726 int ModApiEnvMod::l_line_of_sight(lua_State *L)
728 float stepsize = 1.0;
732 // read position 1 from lua
733 v3f pos1 = checkFloatPos(L, 1);
734 // read position 2 from lua
735 v3f pos2 = checkFloatPos(L, 2);
736 //read step size from lua
737 if (lua_isnumber(L, 3)) {
738 stepsize = lua_tonumber(L, 3);
742 bool success = env->line_of_sight(pos1, pos2, stepsize, &p);
743 lua_pushboolean(L, success);
752 // emerge_area(p1, p2)
753 // emerge mapblocks in area p1..p2
754 int ModApiEnvMod::l_emerge_area(lua_State *L)
758 EmergeManager *emerge = getServer(L)->getEmergeManager();
760 v3s16 bpmin = getNodeBlockPos(read_v3s16(L, 1));
761 v3s16 bpmax = getNodeBlockPos(read_v3s16(L, 2));
762 sortBoxVerticies(bpmin, bpmax);
764 for (s16 z = bpmin.Z; z <= bpmax.Z; z++)
765 for (s16 y = bpmin.Y; y <= bpmax.Y; y++)
766 for (s16 x = bpmin.X; x <= bpmax.X; x++) {
767 v3s16 chunkpos(x, y, z);
768 emerge->enqueueBlockEmerge(PEER_ID_INEXISTENT, chunkpos, false, true);
774 // delete_area(p1, p2)
775 // delete mapblocks in area p1..p2
776 int ModApiEnvMod::l_delete_area(lua_State *L)
780 v3s16 bpmin = getNodeBlockPos(read_v3s16(L, 1));
781 v3s16 bpmax = getNodeBlockPos(read_v3s16(L, 2));
782 sortBoxVerticies(bpmin, bpmax);
784 ServerMap &map = env->getServerMap();
787 event.type = MEET_OTHER;
790 for (s16 z = bpmin.Z; z <= bpmax.Z; z++)
791 for (s16 y = bpmin.Y; y <= bpmax.Y; y++)
792 for (s16 x = bpmin.X; x <= bpmax.X; x++) {
794 if (map.deleteBlock(bp)) {
795 env->setStaticForActiveObjectsInBlock(bp, false);
796 event.modified_blocks.insert(bp);
802 map.dispatchEvent(&event);
803 lua_pushboolean(L, success);
807 // find_path(pos1, pos2, searchdistance,
808 // max_jump, max_drop, algorithm) -> table containing path
809 int ModApiEnvMod::l_find_path(lua_State *L)
813 v3s16 pos1 = read_v3s16(L, 1);
814 v3s16 pos2 = read_v3s16(L, 2);
815 unsigned int searchdistance = luaL_checkint(L, 3);
816 unsigned int max_jump = luaL_checkint(L, 4);
817 unsigned int max_drop = luaL_checkint(L, 5);
818 algorithm algo = A_PLAIN_NP;
819 if (!lua_isnil(L, 6)) {
820 std::string algorithm = luaL_checkstring(L,6);
822 if (algorithm == "A*")
825 if (algorithm == "Dijkstra")
829 std::vector<v3s16> path =
830 get_Path(env,pos1,pos2,searchdistance,max_jump,max_drop,algo);
835 int top = lua_gettop(L);
836 unsigned int index = 1;
837 for (std::vector<v3s16>::iterator i = path.begin(); i != path.end();i++)
839 lua_pushnumber(L,index);
841 lua_settable(L, top);
850 // spawn_tree(pos, treedef)
851 int ModApiEnvMod::l_spawn_tree(lua_State *L)
855 v3s16 p0 = read_v3s16(L, 1);
857 treegen::TreeDef tree_def;
858 std::string trunk,leaves,fruit;
859 INodeDefManager *ndef = env->getGameDef()->ndef();
861 if(lua_istable(L, 2))
863 getstringfield(L, 2, "axiom", tree_def.initial_axiom);
864 getstringfield(L, 2, "rules_a", tree_def.rules_a);
865 getstringfield(L, 2, "rules_b", tree_def.rules_b);
866 getstringfield(L, 2, "rules_c", tree_def.rules_c);
867 getstringfield(L, 2, "rules_d", tree_def.rules_d);
868 getstringfield(L, 2, "trunk", trunk);
869 tree_def.trunknode=ndef->getId(trunk);
870 getstringfield(L, 2, "leaves", leaves);
871 tree_def.leavesnode=ndef->getId(leaves);
872 tree_def.leaves2_chance=0;
873 getstringfield(L, 2, "leaves2", leaves);
876 tree_def.leaves2node=ndef->getId(leaves);
877 getintfield(L, 2, "leaves2_chance", tree_def.leaves2_chance);
879 getintfield(L, 2, "angle", tree_def.angle);
880 getintfield(L, 2, "iterations", tree_def.iterations);
881 if (!getintfield(L, 2, "random_level", tree_def.iterations_random_level))
882 tree_def.iterations_random_level = 0;
883 getstringfield(L, 2, "trunk_type", tree_def.trunk_type);
884 getboolfield(L, 2, "thin_branches", tree_def.thin_branches);
885 tree_def.fruit_chance=0;
886 getstringfield(L, 2, "fruit", fruit);
889 tree_def.fruitnode=ndef->getId(fruit);
890 getintfield(L, 2, "fruit_chance",tree_def.fruit_chance);
892 tree_def.explicit_seed = getintfield(L, 2, "seed", tree_def.seed);
898 if ((e = treegen::spawn_ltree (env, p0, ndef, tree_def)) != treegen::SUCCESS) {
899 if (e == treegen::UNBALANCED_BRACKETS) {
900 luaL_error(L, "spawn_tree(): closing ']' has no matching opening bracket");
902 luaL_error(L, "spawn_tree(): unknown error");
909 // transforming_liquid_add(pos)
910 int ModApiEnvMod::l_transforming_liquid_add(lua_State *L)
914 v3s16 p0 = read_v3s16(L, 1);
915 env->getMap().transforming_liquid_add(p0);
919 // forceload_block(blockpos)
920 // blockpos = {x=num, y=num, z=num}
921 int ModApiEnvMod::l_forceload_block(lua_State *L)
925 v3s16 blockpos = read_v3s16(L, 1);
926 env->getForceloadedBlocks()->insert(blockpos);
930 // forceload_free_block(blockpos)
931 // blockpos = {x=num, y=num, z=num}
932 int ModApiEnvMod::l_forceload_free_block(lua_State *L)
936 v3s16 blockpos = read_v3s16(L, 1);
937 env->getForceloadedBlocks()->erase(blockpos);
942 int ModApiEnvMod::l_get_us_time(lua_State *L)
944 NO_MAP_LOCK_REQUIRED;
945 lua_pushnumber(L, porting::getTimeUs());
949 void ModApiEnvMod::Initialize(lua_State *L, int top)
955 API_FCT(remove_node);
957 API_FCT(get_node_or_nil);
958 API_FCT(get_node_light);
962 API_FCT(get_node_max_level);
963 API_FCT(get_node_level);
964 API_FCT(set_node_level);
965 API_FCT(add_node_level);
967 API_FCT(find_nodes_with_meta);
969 API_FCT(get_node_timer);
970 API_FCT(get_player_by_name);
971 API_FCT(get_objects_inside_radius);
972 API_FCT(set_timeofday);
973 API_FCT(get_timeofday);
974 API_FCT(get_gametime);
975 API_FCT(find_node_near);
976 API_FCT(find_nodes_in_area);
977 API_FCT(find_nodes_in_area_under_air);
978 API_FCT(emerge_area);
979 API_FCT(delete_area);
981 API_FCT(get_perlin_map);
982 API_FCT(get_voxel_manip);
983 API_FCT(clear_objects);
986 API_FCT(line_of_sight);
987 API_FCT(transforming_liquid_add);
988 API_FCT(forceload_block);
989 API_FCT(forceload_free_block);
990 API_FCT(get_us_time);