diff --git a/doc/lua_api.txt b/doc/lua_api.txt index 9249703f6..b4a5fa1d8 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -2647,7 +2647,9 @@ for 2D noise, and it must be must be larger than 1 for 3D noise (otherwise of 3D noise with values starting at `pos={x=,y=,z=}` * `get2dMap_flat(pos)`: returns a flat `` element array of 2D noise with values starting at `pos={x=,y=}` + * if the param `buffer` is present, this table will be used to store the result instead * `get3dMap_flat(pos)`: Same as `get2dMap_flat`, but 3D noise + * if the param `buffer` is present, this table will be used to store the result instead ### `VoxelManip` An interface to the `MapVoxelManipulator` for Lua. @@ -2665,8 +2667,9 @@ The map will be pre-loaded if two positions are passed to either. the `VoxelManip` at that position * `set_node_at(pos, node)`: Sets a specific `MapNode` in the `VoxelManip` at that position -* `get_data()`: Gets the data read into the `VoxelManip` object - * returns raw node data is in the form of an array of node content IDs +* `get_data(buffer)`: Gets the data read into the `VoxelManip` object + * returns raw node data in the form of an array of node content IDs + * if the param `buffer` is present, this table will be used to store the result instead * `set_data(data)`: Sets the data contents of the `VoxelManip` object * `update_map()`: Update map after writing chunk back to map. * To be used only by `VoxelManip` objects created by the mod itself; diff --git a/src/script/lua_api/l_noise.cpp b/src/script/lua_api/l_noise.cpp index 84f8875b8..86ae9dba7 100644 --- a/src/script/lua_api/l_noise.cpp +++ b/src/script/lua_api/l_noise.cpp @@ -174,9 +174,9 @@ int LuaPerlinNoiseMap::l_get2dMap(lua_State *L) n->perlinMap2D(p.X, p.Y); lua_newtable(L); - for (int y = 0; y != n->sy; y++) { + for (u32 y = 0; y != n->sy; y++) { lua_newtable(L); - for (int x = 0; x != n->sx; x++) { + for (u32 x = 0; x != n->sx; x++) { lua_pushnumber(L, n->result[i++]); lua_rawseti(L, -2, x + 1); } @@ -191,14 +191,19 @@ int LuaPerlinNoiseMap::l_get2dMap_flat(lua_State *L) NO_MAP_LOCK_REQUIRED; LuaPerlinNoiseMap *o = checkobject(L, 1); - v2f p = check_v2f(L, 2); + v2f p = check_v2f(L, 2); + bool use_buffer = lua_istable(L, 3); Noise *n = o->noise; n->perlinMap2D(p.X, p.Y); size_t maplen = n->sx * n->sy; - lua_newtable(L); + if (use_buffer) + lua_pushvalue(L, 3); + else + lua_newtable(L); + for (size_t i = 0; i != maplen; i++) { lua_pushnumber(L, n->result[i]); lua_rawseti(L, -2, i + 1); @@ -222,11 +227,11 @@ int LuaPerlinNoiseMap::l_get3dMap(lua_State *L) n->perlinMap3D(p.X, p.Y, p.Z); lua_newtable(L); - for (int z = 0; z != n->sz; z++) { + for (u32 z = 0; z != n->sz; z++) { lua_newtable(L); - for (int y = 0; y != n->sy; y++) { + for (u32 y = 0; y != n->sy; y++) { lua_newtable(L); - for (int x = 0; x != n->sx; x++) { + for (u32 x = 0; x != n->sx; x++) { lua_pushnumber(L, n->result[i++]); lua_rawseti(L, -2, x + 1); } @@ -243,7 +248,8 @@ int LuaPerlinNoiseMap::l_get3dMap_flat(lua_State *L) NO_MAP_LOCK_REQUIRED; LuaPerlinNoiseMap *o = checkobject(L, 1); - v3f p = check_v3f(L, 2); + v3f p = check_v3f(L, 2); + bool use_buffer = lua_istable(L, 3); if (!o->m_is3d) return 0; @@ -253,7 +259,11 @@ int LuaPerlinNoiseMap::l_get3dMap_flat(lua_State *L) size_t maplen = n->sx * n->sy * n->sz; - lua_newtable(L); + if (use_buffer) + lua_pushvalue(L, 3); + else + lua_newtable(L); + for (size_t i = 0; i != maplen; i++) { lua_pushnumber(L, n->result[i]); lua_rawseti(L, -2, i + 1); diff --git a/src/script/lua_api/l_vmanip.cpp b/src/script/lua_api/l_vmanip.cpp index 061ee6036..ac6c10303 100644 --- a/src/script/lua_api/l_vmanip.cpp +++ b/src/script/lua_api/l_vmanip.cpp @@ -63,12 +63,18 @@ int LuaVoxelManip::l_get_data(lua_State *L) NO_MAP_LOCK_REQUIRED; LuaVoxelManip *o = checkobject(L, 1); + bool use_buffer = lua_istable(L, 2); + MMVManip *vm = o->vm; - int volume = vm->m_area.getVolume(); + u32 volume = vm->m_area.getVolume(); - lua_newtable(L); - for (int i = 0; i != volume; i++) { + if (use_buffer) + lua_pushvalue(L, 2); + else + lua_newtable(L); + + for (u32 i = 0; i != volume; i++) { lua_Integer cid = vm->m_data[i].getContent(); lua_pushinteger(L, cid); lua_rawseti(L, -2, i + 1); @@ -87,8 +93,8 @@ int LuaVoxelManip::l_set_data(lua_State *L) if (!lua_istable(L, 2)) return 0; - int volume = vm->m_area.getVolume(); - for (int i = 0; i != volume; i++) { + u32 volume = vm->m_area.getVolume(); + for (u32 i = 0; i != volume; i++) { lua_rawgeti(L, 2, i + 1); content_t c = lua_tointeger(L, -1); @@ -228,10 +234,10 @@ int LuaVoxelManip::l_get_light_data(lua_State *L) LuaVoxelManip *o = checkobject(L, 1); MMVManip *vm = o->vm; - int volume = vm->m_area.getVolume(); + u32 volume = vm->m_area.getVolume(); lua_newtable(L); - for (int i = 0; i != volume; i++) { + for (u32 i = 0; i != volume; i++) { lua_Integer light = vm->m_data[i].param1; lua_pushinteger(L, light); lua_rawseti(L, -2, i + 1); @@ -250,8 +256,8 @@ int LuaVoxelManip::l_set_light_data(lua_State *L) if (!lua_istable(L, 2)) return 0; - int volume = vm->m_area.getVolume(); - for (int i = 0; i != volume; i++) { + u32 volume = vm->m_area.getVolume(); + for (u32 i = 0; i != volume; i++) { lua_rawgeti(L, 2, i + 1); u8 light = lua_tointeger(L, -1); @@ -270,10 +276,10 @@ int LuaVoxelManip::l_get_param2_data(lua_State *L) LuaVoxelManip *o = checkobject(L, 1); MMVManip *vm = o->vm; - int volume = vm->m_area.getVolume(); + u32 volume = vm->m_area.getVolume(); lua_newtable(L); - for (int i = 0; i != volume; i++) { + for (u32 i = 0; i != volume; i++) { lua_Integer param2 = vm->m_data[i].param2; lua_pushinteger(L, param2); lua_rawseti(L, -2, i + 1); @@ -292,8 +298,8 @@ int LuaVoxelManip::l_set_param2_data(lua_State *L) if (!lua_istable(L, 2)) return 0; - int volume = vm->m_area.getVolume(); - for (int i = 0; i != volume; i++) { + u32 volume = vm->m_area.getVolume(); + for (u32 i = 0; i != volume; i++) { lua_rawgeti(L, 2, i + 1); u8 param2 = lua_tointeger(L, -1);