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);
47 ManualMapVoxelManipulator *vm = o->vm;
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);
66 ManualMapVoxelManipulator *vm = o->vm;
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);
85 ManualMapVoxelManipulator *vm = o->vm;
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 ManualMapVoxelManipulator *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 ManualMapVoxelManipulator *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 ManualMapVoxelManipulator *vm = o->vm;
171 v3s16 p1 = lua_istable(L, 2) ? read_v3s16(L, 2) : vm->m_area.MinEdge;
172 v3s16 p2 = lua_istable(L, 3) ? read_v3s16(L, 3) : vm->m_area.MaxEdge;
173 sortBoxVerticies(p1, p2);
178 mg.water_level = emerge->params.water_level;
180 // Mapgen::calcLighting assumes the coordinates of
181 // the central chunk; correct for this
183 p1 + v3s16(1, 1, 1) * MAP_BLOCKSIZE,
184 p2 - v3s16(1, 1, 1) * MAP_BLOCKSIZE);
189 int LuaVoxelManip::l_set_lighting(lua_State *L)
191 NO_MAP_LOCK_REQUIRED;
193 LuaVoxelManip *o = checkobject(L, 1);
194 if (!o->is_mapgen_vm)
197 if (!lua_istable(L, 2))
201 light = (getintfield_default(L, 2, "day", 0) & 0x0F);
202 light |= (getintfield_default(L, 2, "night", 0) & 0x0F) << 4;
204 ManualMapVoxelManipulator *vm = o->vm;
206 v3s16 p1 = lua_istable(L, 3) ? read_v3s16(L, 3) : vm->m_area.MinEdge;
207 v3s16 p2 = lua_istable(L, 4) ? read_v3s16(L, 4) : vm->m_area.MaxEdge;
208 sortBoxVerticies(p1, p2);
213 mg.setLighting(p1, p2, light);
218 int LuaVoxelManip::l_get_light_data(lua_State *L)
220 NO_MAP_LOCK_REQUIRED;
222 LuaVoxelManip *o = checkobject(L, 1);
223 ManualMapVoxelManipulator *vm = o->vm;
225 int volume = vm->m_area.getVolume();
228 for (int i = 0; i != volume; i++) {
229 lua_Integer light = vm->m_data[i].param1;
230 lua_pushinteger(L, light);
231 lua_rawseti(L, -2, i + 1);
237 int LuaVoxelManip::l_set_light_data(lua_State *L)
239 NO_MAP_LOCK_REQUIRED;
241 LuaVoxelManip *o = checkobject(L, 1);
242 ManualMapVoxelManipulator *vm = o->vm;
244 if (!lua_istable(L, 2))
247 int volume = vm->m_area.getVolume();
248 for (int i = 0; i != volume; i++) {
249 lua_rawgeti(L, 2, i + 1);
250 u8 light = lua_tointeger(L, -1);
252 vm->m_data[i].param1 = light;
260 int LuaVoxelManip::l_get_param2_data(lua_State *L)
262 NO_MAP_LOCK_REQUIRED;
264 LuaVoxelManip *o = checkobject(L, 1);
265 ManualMapVoxelManipulator *vm = o->vm;
267 int volume = vm->m_area.getVolume();
270 for (int i = 0; i != volume; i++) {
271 lua_Integer param2 = vm->m_data[i].param2;
272 lua_pushinteger(L, param2);
273 lua_rawseti(L, -2, i + 1);
279 int LuaVoxelManip::l_set_param2_data(lua_State *L)
281 NO_MAP_LOCK_REQUIRED;
283 LuaVoxelManip *o = checkobject(L, 1);
284 ManualMapVoxelManipulator *vm = o->vm;
286 if (!lua_istable(L, 2))
289 int volume = vm->m_area.getVolume();
290 for (int i = 0; i != volume; i++) {
291 lua_rawgeti(L, 2, i + 1);
292 u8 param2 = lua_tointeger(L, -1);
294 vm->m_data[i].param2 = param2;
302 int LuaVoxelManip::l_update_map(lua_State *L)
304 LuaVoxelManip *o = checkobject(L, 1);
308 Environment *env = getEnv(L);
312 Map *map = &(env->getMap());
314 // TODO: Optimize this by using Mapgen::calcLighting() instead
315 std::map<v3s16, MapBlock *> lighting_mblocks;
316 std::map<v3s16, MapBlock *> *mblocks = &o->modified_blocks;
318 lighting_mblocks.insert(mblocks->begin(), mblocks->end());
320 map->updateLighting(lighting_mblocks, *mblocks);
323 event.type = MEET_OTHER;
324 for (std::map<v3s16, MapBlock *>::iterator
325 it = mblocks->begin();
326 it != mblocks->end(); ++it)
327 event.modified_blocks.insert(it->first);
329 map->dispatchEvent(&event);
336 int LuaVoxelManip::l_was_modified(lua_State *L)
338 NO_MAP_LOCK_REQUIRED;
340 LuaVoxelManip *o = checkobject(L, 1);
341 ManualMapVoxelManipulator *vm = o->vm;
343 lua_pushboolean(L, vm->m_is_dirty);
348 int LuaVoxelManip::l_get_emerged_area(lua_State *L)
350 LuaVoxelManip *o = checkobject(L, 1);
352 push_v3s16(L, o->vm->m_area.MinEdge);
353 push_v3s16(L, o->vm->m_area.MaxEdge);
358 LuaVoxelManip::LuaVoxelManip(ManualMapVoxelManipulator *mmvm, bool is_mg_vm)
361 this->is_mapgen_vm = is_mg_vm;
364 LuaVoxelManip::LuaVoxelManip(Map *map)
366 this->vm = new ManualMapVoxelManipulator(map);
367 this->is_mapgen_vm = false;
370 LuaVoxelManip::LuaVoxelManip(Map *map, v3s16 p1, v3s16 p2)
372 this->vm = new ManualMapVoxelManipulator(map);
373 this->is_mapgen_vm = false;
375 v3s16 bp1 = getNodeBlockPos(p1);
376 v3s16 bp2 = getNodeBlockPos(p2);
377 sortBoxVerticies(bp1, bp2);
378 vm->initialEmerge(bp1, bp2);
381 LuaVoxelManip::~LuaVoxelManip()
388 // Creates an LuaVoxelManip and leaves it on top of stack
389 int LuaVoxelManip::create_object(lua_State *L)
391 NO_MAP_LOCK_REQUIRED;
393 Environment *env = getEnv(L);
397 Map *map = &(env->getMap());
398 LuaVoxelManip *o = (lua_istable(L, 1) && lua_istable(L, 2)) ?
399 new LuaVoxelManip(map, read_v3s16(L, 1), read_v3s16(L, 2)) :
400 new LuaVoxelManip(map);
402 *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
403 luaL_getmetatable(L, className);
404 lua_setmetatable(L, -2);
408 LuaVoxelManip *LuaVoxelManip::checkobject(lua_State *L, int narg)
410 NO_MAP_LOCK_REQUIRED;
412 luaL_checktype(L, narg, LUA_TUSERDATA);
414 void *ud = luaL_checkudata(L, narg, className);
416 luaL_typerror(L, narg, className);
418 return *(LuaVoxelManip **)ud; // unbox pointer
421 void LuaVoxelManip::Register(lua_State *L)
424 int methodtable = lua_gettop(L);
425 luaL_newmetatable(L, className);
426 int metatable = lua_gettop(L);
428 lua_pushliteral(L, "__metatable");
429 lua_pushvalue(L, methodtable);
430 lua_settable(L, metatable); // hide metatable from Lua getmetatable()
432 lua_pushliteral(L, "__index");
433 lua_pushvalue(L, methodtable);
434 lua_settable(L, metatable);
436 lua_pushliteral(L, "__gc");
437 lua_pushcfunction(L, gc_object);
438 lua_settable(L, metatable);
440 lua_pop(L, 1); // drop metatable
442 luaL_openlib(L, 0, methods, 0); // fill methodtable
443 lua_pop(L, 1); // drop methodtable
445 // Can be created from Lua (VoxelManip())
446 lua_register(L, className, create_object);
449 const char LuaVoxelManip::className[] = "VoxelManip";
450 const luaL_reg LuaVoxelManip::methods[] = {
451 luamethod(LuaVoxelManip, read_from_map),
452 luamethod(LuaVoxelManip, get_data),
453 luamethod(LuaVoxelManip, set_data),
454 luamethod(LuaVoxelManip, get_node_at),
455 luamethod(LuaVoxelManip, set_node_at),
456 luamethod(LuaVoxelManip, write_to_map),
457 luamethod(LuaVoxelManip, update_map),
458 luamethod(LuaVoxelManip, update_liquids),
459 luamethod(LuaVoxelManip, calc_lighting),
460 luamethod(LuaVoxelManip, set_lighting),
461 luamethod(LuaVoxelManip, get_light_data),
462 luamethod(LuaVoxelManip, set_light_data),
463 luamethod(LuaVoxelManip, get_param2_data),
464 luamethod(LuaVoxelManip, set_param2_data),
465 luamethod(LuaVoxelManip, was_modified),
466 luamethod(LuaVoxelManip, get_emerged_area),