minetest/src/mapgen/mapgen_singlenode.cpp
2022-10-09 10:50:26 -04:00

94 lines
2.6 KiB
C++

/*
Minetest
Copyright (C) 2013-2018 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2013-2018 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
Copyright (C) 2015-2018 paramat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "mapgen_singlenode.h"
#include "voxel.h"
#include "mapblock.h"
#include "mapnode.h"
#include "map.h"
#include "nodedef.h"
#include "voxelalgorithms.h"
#include "emerge.h"
MapgenSinglenode::MapgenSinglenode(MapgenParams *params, EmergeParams *emerge)
: Mapgen(MAPGEN_SINGLENODE, params, emerge)
{
const NodeDefManager *ndef = emerge->ndef;
c_node = ndef->getId("mapgen_singlenode");
if (c_node == CONTENT_IGNORE)
c_node = CONTENT_AIR;
MapNode n_node(c_node);
set_light = (ndef->getLightingFlags(n_node).sunlight_propagates) ? LIGHT_SUN : 0x00;
}
//////////////////////// Map generator
void MapgenSinglenode::makeChunk(BlockMakeData *data)
{
// Pre-conditions
assert(data->vmanip);
assert(data->nodedef);
this->generating = true;
this->vm = data->vmanip;
this->ndef = data->nodedef;
v3s16 blockpos_min = data->blockpos_min;
v3s16 blockpos_max = data->blockpos_max;
// Area of central chunk
v3s16 node_min = blockpos_min * MAP_BLOCKSIZE;
v3s16 node_max = (blockpos_max + v3s16(1, 1, 1)) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
blockseed = getBlockSeed2(node_min, data->seed);
MapNode n_node(c_node);
for (s16 z = node_min.Z; z <= node_max.Z; z++)
for (s16 y = node_min.Y; y <= node_max.Y; y++) {
u32 i = vm->m_area.index(node_min.X, y, z);
for (s16 x = node_min.X; x <= node_max.X; x++) {
if (vm->m_data[i].getContent() == CONTENT_IGNORE)
vm->m_data[i] = n_node;
i++;
}
}
// Add top and bottom side of water to transforming_liquid queue
updateLiquid(&data->transforming_liquid, node_min, node_max);
// Set lighting
if ((flags & MG_LIGHT) && set_light == LIGHT_SUN)
setLighting(LIGHT_SUN, node_min, node_max);
this->generating = false;
}
int MapgenSinglenode::getSpawnLevelAtPoint(v2s16 p)
{
return 0;
}