3 Copyright (C) 2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
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.
21 #include "lua_api/l_vmanip.h"
22 #include "lua_api/l_internal.h"
23 #include "common/c_content.h"
24 #include "common/c_converter.h"
26 #include "environment.h"
31 #define GET_ENV_PTR ServerEnvironment* env = \
32 dynamic_cast<ServerEnvironment*>(getEnv(L)); \
33 if (env == NULL) return 0
36 int LuaVoxelManip::gc_object(lua_State *L)
38 LuaVoxelManip *o = *(LuaVoxelManip **)(lua_touserdata(L, 1));
44 int LuaVoxelManip::l_read_from_map(lua_State *L)
46 LuaVoxelManip *o = checkobject(L, 1);
49 v3s16 bp1 = getNodeBlockPos(read_v3s16(L, 2));
50 v3s16 bp2 = getNodeBlockPos(read_v3s16(L, 3));
51 sortBoxVerticies(bp1, bp2);
53 vm->initialEmerge(bp1, bp2);
55 push_v3s16(L, vm->m_area.MinEdge);
56 push_v3s16(L, vm->m_area.MaxEdge);
61 int LuaVoxelManip::l_get_data(lua_State *L)
65 LuaVoxelManip *o = checkobject(L, 1);
68 int volume = vm->m_area.getVolume();
71 for (int i = 0; i != volume; i++) {
72 lua_Integer cid = vm->m_data[i].getContent();
73 lua_pushinteger(L, cid);
74 lua_rawseti(L, -2, i + 1);
80 int LuaVoxelManip::l_set_data(lua_State *L)
84 LuaVoxelManip *o = checkobject(L, 1);
87 if (!lua_istable(L, 2))
90 int volume = vm->m_area.getVolume();
91 for (int i = 0; i != volume; i++) {
92 lua_rawgeti(L, 2, i + 1);
93 content_t c = lua_tointeger(L, -1);
95 vm->m_data[i].setContent(c);
103 int LuaVoxelManip::l_write_to_map(lua_State *L)
105 LuaVoxelManip *o = checkobject(L, 1);
106 MMVManip *vm = o->vm;
108 vm->blitBackAll(&o->modified_blocks);
113 int LuaVoxelManip::l_get_node_at(lua_State *L)
115 NO_MAP_LOCK_REQUIRED;
118 LuaVoxelManip *o = checkobject(L, 1);
119 v3s16 pos = read_v3s16(L, 2);
121 pushnode(L, o->vm->getNodeNoExNoEmerge(pos), env->getGameDef()->ndef());
125 int LuaVoxelManip::l_set_node_at(lua_State *L)
127 NO_MAP_LOCK_REQUIRED;
130 LuaVoxelManip *o = checkobject(L, 1);
131 v3s16 pos = read_v3s16(L, 2);
132 MapNode n = readnode(L, 3, env->getGameDef()->ndef());
134 o->vm->setNodeNoEmerge(pos, n);
139 int LuaVoxelManip::l_update_liquids(lua_State *L)
143 LuaVoxelManip *o = checkobject(L, 1);
145 Map *map = &(env->getMap());
146 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
147 MMVManip *vm = o->vm;
153 mg.updateLiquid(&map->m_transforming_liquid,
154 vm->m_area.MinEdge, vm->m_area.MaxEdge);
159 int LuaVoxelManip::l_calc_lighting(lua_State *L)
161 NO_MAP_LOCK_REQUIRED;
163 LuaVoxelManip *o = checkobject(L, 1);
164 if (!o->is_mapgen_vm)
167 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
168 EmergeManager *emerge = getServer(L)->getEmergeManager();
169 MMVManip *vm = o->vm;
171 v3s16 yblock = v3s16(0, 1, 0) * MAP_BLOCKSIZE;
172 v3s16 fpmin = vm->m_area.MinEdge;
173 v3s16 fpmax = vm->m_area.MaxEdge;
174 v3s16 pmin = lua_istable(L, 2) ? read_v3s16(L, 2) : fpmin + yblock;
175 v3s16 pmax = lua_istable(L, 3) ? read_v3s16(L, 3) : fpmax - yblock;
177 sortBoxVerticies(pmin, pmax);
178 if (!vm->m_area.contains(VoxelArea(pmin, pmax)))
179 throw LuaError("Specified voxel area out of VoxelManipulator bounds");
184 mg.water_level = emerge->params.water_level;
186 mg.calcLighting(pmin, pmax, fpmin, fpmax);
191 int LuaVoxelManip::l_set_lighting(lua_State *L)
193 NO_MAP_LOCK_REQUIRED;
195 LuaVoxelManip *o = checkobject(L, 1);
196 if (!o->is_mapgen_vm)
199 if (!lua_istable(L, 2))
203 light = (getintfield_default(L, 2, "day", 0) & 0x0F);
204 light |= (getintfield_default(L, 2, "night", 0) & 0x0F) << 4;
206 MMVManip *vm = o->vm;
208 v3s16 yblock = v3s16(0, 1, 0) * MAP_BLOCKSIZE;
209 v3s16 pmin = lua_istable(L, 3) ? read_v3s16(L, 3) : vm->m_area.MinEdge + yblock;
210 v3s16 pmax = lua_istable(L, 4) ? read_v3s16(L, 4) : vm->m_area.MaxEdge - yblock;
212 sortBoxVerticies(pmin, pmax);
213 if (!vm->m_area.contains(VoxelArea(pmin, pmax)))
214 throw LuaError("Specified voxel area out of VoxelManipulator bounds");
219 mg.setLighting(light, pmin, pmax);
224 int LuaVoxelManip::l_get_light_data(lua_State *L)
226 NO_MAP_LOCK_REQUIRED;
228 LuaVoxelManip *o = checkobject(L, 1);
229 MMVManip *vm = o->vm;
231 int volume = vm->m_area.getVolume();
234 for (int i = 0; i != volume; i++) {
235 lua_Integer light = vm->m_data[i].param1;
236 lua_pushinteger(L, light);
237 lua_rawseti(L, -2, i + 1);
243 int LuaVoxelManip::l_set_light_data(lua_State *L)
245 NO_MAP_LOCK_REQUIRED;
247 LuaVoxelManip *o = checkobject(L, 1);
248 MMVManip *vm = o->vm;
250 if (!lua_istable(L, 2))
253 int volume = vm->m_area.getVolume();
254 for (int i = 0; i != volume; i++) {
255 lua_rawgeti(L, 2, i + 1);
256 u8 light = lua_tointeger(L, -1);
258 vm->m_data[i].param1 = light;
266 int LuaVoxelManip::l_get_param2_data(lua_State *L)
268 NO_MAP_LOCK_REQUIRED;
270 LuaVoxelManip *o = checkobject(L, 1);
271 MMVManip *vm = o->vm;
273 int volume = vm->m_area.getVolume();
276 for (int i = 0; i != volume; i++) {
277 lua_Integer param2 = vm->m_data[i].param2;
278 lua_pushinteger(L, param2);
279 lua_rawseti(L, -2, i + 1);
285 int LuaVoxelManip::l_set_param2_data(lua_State *L)
287 NO_MAP_LOCK_REQUIRED;
289 LuaVoxelManip *o = checkobject(L, 1);
290 MMVManip *vm = o->vm;
292 if (!lua_istable(L, 2))
295 int volume = vm->m_area.getVolume();
296 for (int i = 0; i != volume; i++) {
297 lua_rawgeti(L, 2, i + 1);
298 u8 param2 = lua_tointeger(L, -1);
300 vm->m_data[i].param2 = param2;
308 int LuaVoxelManip::l_update_map(lua_State *L)
310 LuaVoxelManip *o = checkobject(L, 1);
314 Environment *env = getEnv(L);
318 Map *map = &(env->getMap());
320 // TODO: Optimize this by using Mapgen::calcLighting() instead
321 std::map<v3s16, MapBlock *> lighting_mblocks;
322 std::map<v3s16, MapBlock *> *mblocks = &o->modified_blocks;
324 lighting_mblocks.insert(mblocks->begin(), mblocks->end());
326 map->updateLighting(lighting_mblocks, *mblocks);
329 event.type = MEET_OTHER;
330 for (std::map<v3s16, MapBlock *>::iterator
331 it = mblocks->begin();
332 it != mblocks->end(); ++it)
333 event.modified_blocks.insert(it->first);
335 map->dispatchEvent(&event);
342 int LuaVoxelManip::l_was_modified(lua_State *L)
344 NO_MAP_LOCK_REQUIRED;
346 LuaVoxelManip *o = checkobject(L, 1);
347 MMVManip *vm = o->vm;
349 lua_pushboolean(L, vm->m_is_dirty);
354 int LuaVoxelManip::l_get_emerged_area(lua_State *L)
356 LuaVoxelManip *o = checkobject(L, 1);
358 push_v3s16(L, o->vm->m_area.MinEdge);
359 push_v3s16(L, o->vm->m_area.MaxEdge);
364 LuaVoxelManip::LuaVoxelManip(MMVManip *mmvm, bool is_mg_vm)
367 this->is_mapgen_vm = is_mg_vm;
370 LuaVoxelManip::LuaVoxelManip(Map *map)
372 this->vm = new MMVManip(map);
373 this->is_mapgen_vm = false;
376 LuaVoxelManip::LuaVoxelManip(Map *map, v3s16 p1, v3s16 p2)
378 this->vm = new MMVManip(map);
379 this->is_mapgen_vm = false;
381 v3s16 bp1 = getNodeBlockPos(p1);
382 v3s16 bp2 = getNodeBlockPos(p2);
383 sortBoxVerticies(bp1, bp2);
384 vm->initialEmerge(bp1, bp2);
387 LuaVoxelManip::~LuaVoxelManip()
394 // Creates an LuaVoxelManip and leaves it on top of stack
395 int LuaVoxelManip::create_object(lua_State *L)
397 NO_MAP_LOCK_REQUIRED;
399 Environment *env = getEnv(L);
403 Map *map = &(env->getMap());
404 LuaVoxelManip *o = (lua_istable(L, 1) && lua_istable(L, 2)) ?
405 new LuaVoxelManip(map, read_v3s16(L, 1), read_v3s16(L, 2)) :
406 new LuaVoxelManip(map);
408 *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
409 luaL_getmetatable(L, className);
410 lua_setmetatable(L, -2);
414 LuaVoxelManip *LuaVoxelManip::checkobject(lua_State *L, int narg)
416 NO_MAP_LOCK_REQUIRED;
418 luaL_checktype(L, narg, LUA_TUSERDATA);
420 void *ud = luaL_checkudata(L, narg, className);
422 luaL_typerror(L, narg, className);
424 return *(LuaVoxelManip **)ud; // unbox pointer
427 void LuaVoxelManip::Register(lua_State *L)
430 int methodtable = lua_gettop(L);
431 luaL_newmetatable(L, className);
432 int metatable = lua_gettop(L);
434 lua_pushliteral(L, "__metatable");
435 lua_pushvalue(L, methodtable);
436 lua_settable(L, metatable); // hide metatable from Lua getmetatable()
438 lua_pushliteral(L, "__index");
439 lua_pushvalue(L, methodtable);
440 lua_settable(L, metatable);
442 lua_pushliteral(L, "__gc");
443 lua_pushcfunction(L, gc_object);
444 lua_settable(L, metatable);
446 lua_pop(L, 1); // drop metatable
448 luaL_openlib(L, 0, methods, 0); // fill methodtable
449 lua_pop(L, 1); // drop methodtable
451 // Can be created from Lua (VoxelManip())
452 lua_register(L, className, create_object);
455 const char LuaVoxelManip::className[] = "VoxelManip";
456 const luaL_reg LuaVoxelManip::methods[] = {
457 luamethod(LuaVoxelManip, read_from_map),
458 luamethod(LuaVoxelManip, get_data),
459 luamethod(LuaVoxelManip, set_data),
460 luamethod(LuaVoxelManip, get_node_at),
461 luamethod(LuaVoxelManip, set_node_at),
462 luamethod(LuaVoxelManip, write_to_map),
463 luamethod(LuaVoxelManip, update_map),
464 luamethod(LuaVoxelManip, update_liquids),
465 luamethod(LuaVoxelManip, calc_lighting),
466 luamethod(LuaVoxelManip, set_lighting),
467 luamethod(LuaVoxelManip, get_light_data),
468 luamethod(LuaVoxelManip, set_light_data),
469 luamethod(LuaVoxelManip, get_param2_data),
470 luamethod(LuaVoxelManip, set_param2_data),
471 luamethod(LuaVoxelManip, was_modified),
472 luamethod(LuaVoxelManip, get_emerged_area),