3 Copyright (C) 2010-2013 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 #ifndef VOXELALGORITHMS_HEADER
21 #define VOXELALGORITHMS_HEADER
34 // TODO: Move unspreadLight and spreadLight from VoxelManipulator to here
36 void setLight(VoxelManipulator &v, VoxelArea a, u8 light,
37 INodeDefManager *ndef);
39 void clearLightAndCollectSources(VoxelManipulator &v, VoxelArea a,
40 enum LightBank bank, INodeDefManager *ndef,
41 std::set<v3s16> & light_sources,
42 std::map<v3s16, u8> & unlight_from);
44 struct SunlightPropagateResult
46 bool bottom_sunlight_valid;
48 SunlightPropagateResult(bool bottom_sunlight_valid_):
49 bottom_sunlight_valid(bottom_sunlight_valid_)
53 SunlightPropagateResult propagateSunlight(VoxelManipulator &v, VoxelArea a,
54 bool inexistent_top_provides_sunlight,
55 std::set<v3s16> & light_sources,
56 INodeDefManager *ndef);
59 * Updates the lighting on the map.
60 * The result will be correct only if
61 * no nodes were changed except the given one.
63 * \param p position of the changed node
64 * \param oldnode this node was overwritten on the map
65 * \param modified_blocks output, contains all map blocks that
66 * the function modified
68 void update_lighting_node(
70 INodeDefManager *ndef,
73 std::map<v3s16, MapBlock*> &modified_blocks);
75 } // namespace voxalgo