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 #include "mapgen_singlenode.h"
26 #include "voxelalgorithms.h"
30 MapgenSinglenode::MapgenSinglenode(int mapgenid,
31 MapgenParams *params, EmergeManager *emerge)
32 : Mapgen(mapgenid, params, emerge)
34 flags = params->flags;
36 INodeDefManager *ndef = emerge->ndef;
38 c_node = ndef->getId("mapgen_singlenode");
39 if (c_node == CONTENT_IGNORE)
44 MapgenSinglenode::~MapgenSinglenode()
48 //////////////////////// Map generator
50 void MapgenSinglenode::makeChunk(BlockMakeData *data)
54 assert(data->nodedef);
55 assert(data->blockpos_requested.X >= data->blockpos_min.X &&
56 data->blockpos_requested.Y >= data->blockpos_min.Y &&
57 data->blockpos_requested.Z >= data->blockpos_min.Z);
58 assert(data->blockpos_requested.X <= data->blockpos_max.X &&
59 data->blockpos_requested.Y <= data->blockpos_max.Y &&
60 data->blockpos_requested.Z <= data->blockpos_max.Z);
62 this->generating = true;
63 this->vm = data->vmanip;
64 this->ndef = data->nodedef;
66 v3s16 blockpos_min = data->blockpos_min;
67 v3s16 blockpos_max = data->blockpos_max;
69 // Area of central chunk
70 v3s16 node_min = blockpos_min*MAP_BLOCKSIZE;
71 v3s16 node_max = (blockpos_max+v3s16(1,1,1))*MAP_BLOCKSIZE-v3s16(1,1,1);
73 blockseed = getBlockSeed2(node_min, data->seed);
75 MapNode n_node(c_node);
77 for (s16 z = node_min.Z; z <= node_max.Z; z++)
78 for (s16 y = node_min.Y; y <= node_max.Y; y++) {
79 u32 i = vm->m_area.index(node_min.X, y, z);
80 for (s16 x = node_min.X; x <= node_max.X; x++) {
81 if (vm->m_data[i].getContent() == CONTENT_IGNORE)
82 vm->m_data[i] = n_node;
87 // Add top and bottom side of water to transforming_liquid queue
88 updateLiquid(&data->transforming_liquid, node_min, node_max);
92 calcLighting(node_min, node_max);
94 this->generating = false;
97 int MapgenSinglenode::getGroundLevelAtPoint(v2s16 p)