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_converter.h"
25 #include "environment.h"
31 int LuaVoxelManip::gc_object(lua_State *L)
33 LuaVoxelManip *o = *(LuaVoxelManip **)(lua_touserdata(L, 1));
40 int LuaVoxelManip::l_read_from_map(lua_State *L)
42 LuaVoxelManip *o = checkobject(L, 1);
43 ManualMapVoxelManipulator *vm = o->vm;
45 v3s16 bp1 = getNodeBlockPos(read_v3s16(L, 2));
46 v3s16 bp2 = getNodeBlockPos(read_v3s16(L, 3));
47 sortBoxVerticies(bp1, bp2);
49 vm->initialEmerge(bp1, bp2);
51 push_v3s16(L, vm->m_area.MinEdge);
52 push_v3s16(L, vm->m_area.MaxEdge);
57 int LuaVoxelManip::l_get_data(lua_State *L)
61 LuaVoxelManip *o = checkobject(L, 1);
62 ManualMapVoxelManipulator *vm = o->vm;
64 int volume = vm->m_area.getVolume();
67 for (int i = 0; i != volume; i++) {
68 lua_Integer cid = vm->m_data[i].getContent();
69 lua_pushinteger(L, cid);
70 lua_rawseti(L, -2, i + 1);
76 int LuaVoxelManip::l_set_data(lua_State *L)
80 LuaVoxelManip *o = checkobject(L, 1);
81 ManualMapVoxelManipulator *vm = o->vm;
83 if (!lua_istable(L, 2))
86 int volume = vm->m_area.getVolume();
87 for (int i = 0; i != volume; i++) {
88 lua_rawgeti(L, 2, i + 1);
89 content_t c = lua_tointeger(L, -1);
91 vm->m_data[i].setContent(c);
99 int LuaVoxelManip::l_write_to_map(lua_State *L)
101 LuaVoxelManip *o = checkobject(L, 1);
102 ManualMapVoxelManipulator *vm = o->vm;
104 vm->blitBackAll(&o->modified_blocks);
109 int LuaVoxelManip::l_update_liquids(lua_State *L)
111 LuaVoxelManip *o = checkobject(L, 1);
113 Environment *env = getEnv(L);
117 Map *map = &(env->getMap());
118 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
119 ManualMapVoxelManipulator *vm = o->vm;
125 mg.updateLiquid(&map->m_transforming_liquid,
126 vm->m_area.MinEdge, vm->m_area.MaxEdge);
131 int LuaVoxelManip::l_calc_lighting(lua_State *L)
133 NO_MAP_LOCK_REQUIRED;
135 LuaVoxelManip *o = checkobject(L, 1);
136 if (!o->is_mapgen_vm)
139 INodeDefManager *ndef = getServer(L)->getNodeDefManager();
140 EmergeManager *emerge = getServer(L)->getEmergeManager();
141 ManualMapVoxelManipulator *vm = o->vm;
143 v3s16 p1 = lua_istable(L, 2) ? read_v3s16(L, 2) :
144 vm->m_area.MinEdge + v3s16(0, 1, 0) * MAP_BLOCKSIZE;
145 v3s16 p2 = lua_istable(L, 3) ? read_v3s16(L, 3) :
146 vm->m_area.MaxEdge - v3s16(0, 1, 0) * MAP_BLOCKSIZE;
147 sortBoxVerticies(p1, p2);
152 mg.water_level = emerge->params->water_level;
154 mg.calcLighting(p1, p2);
159 int LuaVoxelManip::l_set_lighting(lua_State *L)
161 NO_MAP_LOCK_REQUIRED;
163 LuaVoxelManip *o = checkobject(L, 1);
164 if (!o->is_mapgen_vm)
167 if (!lua_istable(L, 2))
171 light = (getintfield_default(L, 2, "day", 0) & 0x0F);
172 light |= (getintfield_default(L, 2, "night", 0) & 0x0F) << 4;
174 ManualMapVoxelManipulator *vm = o->vm;
176 v3s16 p1 = lua_istable(L, 3) ? read_v3s16(L, 3) :
177 vm->m_area.MinEdge + v3s16(0, 1, 0) * MAP_BLOCKSIZE;
178 v3s16 p2 = lua_istable(L, 4) ? read_v3s16(L, 4) :
179 vm->m_area.MaxEdge - v3s16(0, 1, 0) * MAP_BLOCKSIZE;
180 sortBoxVerticies(p1, p2);
185 mg.setLighting(p1, p2, light);
190 int LuaVoxelManip::l_get_light_data(lua_State *L)
192 NO_MAP_LOCK_REQUIRED;
194 LuaVoxelManip *o = checkobject(L, 1);
195 ManualMapVoxelManipulator *vm = o->vm;
197 int volume = vm->m_area.getVolume();
200 for (int i = 0; i != volume; i++) {
201 lua_Integer light = vm->m_data[i].param1;
202 lua_pushinteger(L, light);
203 lua_rawseti(L, -2, i + 1);
209 int LuaVoxelManip::l_set_light_data(lua_State *L)
211 NO_MAP_LOCK_REQUIRED;
213 LuaVoxelManip *o = checkobject(L, 1);
214 ManualMapVoxelManipulator *vm = o->vm;
216 if (!lua_istable(L, 2))
219 int volume = vm->m_area.getVolume();
220 for (int i = 0; i != volume; i++) {
221 lua_rawgeti(L, 2, i + 1);
222 u8 light = lua_tointeger(L, -1);
224 vm->m_data[i].param1 = light;
232 int LuaVoxelManip::l_get_param2_data(lua_State *L)
234 NO_MAP_LOCK_REQUIRED;
236 LuaVoxelManip *o = checkobject(L, 1);
237 ManualMapVoxelManipulator *vm = o->vm;
239 int volume = vm->m_area.getVolume();
242 for (int i = 0; i != volume; i++) {
243 lua_Integer param2 = vm->m_data[i].param2;
244 lua_pushinteger(L, param2);
245 lua_rawseti(L, -2, i + 1);
251 int LuaVoxelManip::l_set_param2_data(lua_State *L)
253 NO_MAP_LOCK_REQUIRED;
255 LuaVoxelManip *o = checkobject(L, 1);
256 ManualMapVoxelManipulator *vm = o->vm;
258 if (!lua_istable(L, 2))
261 int volume = vm->m_area.getVolume();
262 for (int i = 0; i != volume; i++) {
263 lua_rawgeti(L, 2, i + 1);
264 u8 param2 = lua_tointeger(L, -1);
266 vm->m_data[i].param2 = param2;
274 int LuaVoxelManip::l_update_map(lua_State *L)
276 LuaVoxelManip *o = checkobject(L, 1);
280 Environment *env = getEnv(L);
284 Map *map = &(env->getMap());
286 // TODO: Optimize this by using Mapgen::calcLighting() instead
287 std::map<v3s16, MapBlock *> lighting_mblocks;
288 std::map<v3s16, MapBlock *> *mblocks = &o->modified_blocks;
290 lighting_mblocks.insert(mblocks->begin(), mblocks->end());
292 map->updateLighting(lighting_mblocks, *mblocks);
295 event.type = MEET_OTHER;
296 for (std::map<v3s16, MapBlock *>::iterator
297 it = mblocks->begin();
298 it != mblocks->end(); ++it)
299 event.modified_blocks.insert(it->first);
301 map->dispatchEvent(&event);
308 LuaVoxelManip::LuaVoxelManip(ManualMapVoxelManipulator *mmvm, bool is_mg_vm)
311 this->is_mapgen_vm = is_mg_vm;
314 LuaVoxelManip::LuaVoxelManip(Map *map)
316 this->vm = new ManualMapVoxelManipulator(map);
317 this->is_mapgen_vm = false;
320 LuaVoxelManip::~LuaVoxelManip()
326 // Creates an LuaVoxelManip and leaves it on top of stack
327 int LuaVoxelManip::create_object(lua_State *L)
329 NO_MAP_LOCK_REQUIRED;
331 Environment *env = getEnv(L);
335 Map *map = &(env->getMap());
336 LuaVoxelManip *o = new LuaVoxelManip(map);
338 *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
339 luaL_getmetatable(L, className);
340 lua_setmetatable(L, -2);
344 LuaVoxelManip *LuaVoxelManip::checkobject(lua_State *L, int narg)
346 NO_MAP_LOCK_REQUIRED;
348 luaL_checktype(L, narg, LUA_TUSERDATA);
350 void *ud = luaL_checkudata(L, narg, className);
352 luaL_typerror(L, narg, className);
354 return *(LuaVoxelManip **)ud; // unbox pointer
357 void LuaVoxelManip::Register(lua_State *L)
360 int methodtable = lua_gettop(L);
361 luaL_newmetatable(L, className);
362 int metatable = lua_gettop(L);
364 lua_pushliteral(L, "__metatable");
365 lua_pushvalue(L, methodtable);
366 lua_settable(L, metatable); // hide metatable from Lua getmetatable()
368 lua_pushliteral(L, "__index");
369 lua_pushvalue(L, methodtable);
370 lua_settable(L, metatable);
372 lua_pushliteral(L, "__gc");
373 lua_pushcfunction(L, gc_object);
374 lua_settable(L, metatable);
376 lua_pop(L, 1); // drop metatable
378 luaL_openlib(L, 0, methods, 0); // fill methodtable
379 lua_pop(L, 1); // drop methodtable
381 // Can be created from Lua (VoxelManip())
382 lua_register(L, className, create_object);
385 const char LuaVoxelManip::className[] = "VoxelManip";
386 const luaL_reg LuaVoxelManip::methods[] = {
387 luamethod(LuaVoxelManip, read_from_map),
388 luamethod(LuaVoxelManip, get_data),
389 luamethod(LuaVoxelManip, set_data),
390 luamethod(LuaVoxelManip, write_to_map),
391 luamethod(LuaVoxelManip, update_map),
392 luamethod(LuaVoxelManip, update_liquids),
393 luamethod(LuaVoxelManip, calc_lighting),
394 luamethod(LuaVoxelManip, set_lighting),
395 luamethod(LuaVoxelManip, get_light_data),
396 luamethod(LuaVoxelManip, set_light_data),
397 luamethod(LuaVoxelManip, get_param2_data),
398 luamethod(LuaVoxelManip, set_param2_data),