Mapgen Class Reference

#include <mapgen.h>

Inheritance diagram for Mapgen:

Collaboration diagram for Mapgen:

Public Member Functions
	Mapgen ()=default
	Mapgen (int mapgenid, MapgenParams *params, EmergeParams *emerge)
virtual	~Mapgen ()
	DISABLE_CLASS_COPY (Mapgen)
virtual MapgenType	getType () const
s16	findGroundLevel (v2s16 p2d, s16 ymin, s16 ymax)
s16	findLiquidSurface (v2s16 p2d, s16 ymin, s16 ymax)
void	updateHeightmap (v3s16 nmin, v3s16 nmax)
void	getSurfaces (v2s16 p2d, s16 ymin, s16 ymax, std::vector< s16 > &floors, std::vector< s16 > &ceilings)
void	updateLiquid (UniqueQueue< v3s16 > *trans_liquid, v3s16 nmin, v3s16 nmax)
void	setLighting (u8 light, v3s16 nmin, v3s16 nmax)
	Set light in entire area to fixed value.
void	calcLighting (v3s16 nmin, v3s16 nmax, v3s16 full_nmin, v3s16 full_nmax, bool propagate_shadow=true)
	Run all lighting calculations.
void	propagateSunlight (v3s16 nmin, v3s16 nmax, bool propagate_shadow)
	Spread sunlight from the area above downwards.
void	spreadLight (const v3s16 &nmin, const v3s16 &nmax)
	Spread light in the given area.
virtual void	makeChunk (BlockMakeData *data)
virtual int	getGroundLevelAtPoint (v2s16 p)
virtual int	getSpawnLevelAtPoint (v2s16 p)

Static Public Member Functions
static u32	getBlockSeed (v3s16 p, s32 seed)
static u32	getBlockSeed2 (v3s16 p, s32 seed)
static MapgenType	getMapgenType (const std::string &mgname)
static const char *	getMapgenName (MapgenType mgtype)
static Mapgen *	createMapgen (MapgenType mgtype, MapgenParams *params, EmergeParams *emerge)
static MapgenParams *	createMapgenParams (MapgenType mgtype)
static void	getMapgenNames (std::vector< const char * > *mgnames, bool include_hidden)
static void	setDefaultSettings (Settings *settings)

Public Attributes
s32	seed = 0
int	water_level = 0
int	mapgen_limit = 0
u32	flags = 0
bool	generating = false
int	id = -1
MMVManip *	vm = nullptr
EmergeParams *	m_emerge = nullptr
const NodeDefManager *	ndef = nullptr
u32	blockseed
s16 *	heightmap = nullptr
biome_t *	biomemap = nullptr
v3s16	csize
BiomeGen *	biomegen = nullptr
GenerateNotifier	gennotify

Private Member Functions
void	lightSpread (VoxelArea &a, std::queue< std::pair< v3s16, u8 > > &queue, const v3s16 &p, u8 light)
	Spread light to the node at the given position, add to queue if changed.
bool	isLiquidHorizontallyFlowable (u32 vi, v3s16 em)

Constructor & Destructor Documentation

Mapgen() [1/2]

Mapgen::Mapgen ( )

default

Mapgen() [2/2]

Mapgen::Mapgen	(	int	mapgenid,
		MapgenParams *	params,
		EmergeParams *	emerge )

References MapgenParams::chunksize, csize, flags, MapgenParams::flags, m_emerge, MAP_BLOCKSIZE, mapgen_limit, MapgenParams::mapgen_limit, EmergeParams::ndef, ndef, seed, MapgenParams::seed, water_level, and MapgenParams::water_level.

~Mapgen()

Mapgen::~Mapgen ( )

virtual

References m_emerge.

Member Function Documentation

calcLighting()

void Mapgen::calcLighting	(	v3s16	nmin,
		v3s16	nmax,
		v3s16	full_nmin,
		v3s16	full_nmax,
		bool	propagate_shadow = true )

Run all lighting calculations.

Parameters

nmin	Area to spread sunlight in
nmax	^
full_nmin	Area to recalculate light in
full_nmax	^
propagate_shadow	see propagateSunlight()

References g_profiler, propagateSunlight(), spreadLight(), and SPT_AVG.

Referenced by ModApiMapgen::calc_lighting(), MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenV5::makeChunk(), MapgenV6::makeChunk(), MapgenV7::makeChunk(), and MapgenValleys::makeChunk().

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createMapgen()

Mapgen * Mapgen::createMapgen ( MapgenType mgtype, MapgenParams * params, EmergeParams * emerge )

static

References MAPGEN_CARPATHIAN, MAPGEN_FLAT, MAPGEN_FRACTAL, MAPGEN_SINGLENODE, MAPGEN_V5, MAPGEN_V6, MAPGEN_V7, and MAPGEN_VALLEYS.

Referenced by EmergeManager::initMapgens().

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createMapgenParams()

MapgenParams * Mapgen::createMapgenParams ( MapgenType mgtype )

static

References MAPGEN_CARPATHIAN, MAPGEN_FLAT, MAPGEN_FRACTAL, MAPGEN_SINGLENODE, MAPGEN_V5, MAPGEN_V6, MAPGEN_V7, and MAPGEN_VALLEYS.

Referenced by MapSettingsManager::makeMapgenParams(), and setDefaultSettings().

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DISABLE_CLASS_COPY()

Mapgen::DISABLE_CLASS_COPY

(

Mapgen

)

findGroundLevel()

s16 Mapgen::findGroundLevel	(	v2s16	p2d,
		s16	ymin,
		s16	ymax )

References VoxelArea::add_y(), NodeDefManager::get(), VoxelArea::getExtent(), VoxelArea::index(), VoxelManipulator::m_area, VoxelManipulator::m_data, MAX_MAP_GENERATION_LIMIT, ndef, vm, and ContentFeatures::walkable.

Referenced by Decoration::placeDeco(), and updateHeightmap().

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findLiquidSurface()

s16 Mapgen::findLiquidSurface	(	v2s16	p2d,
		s16	ymin,
		s16	ymax )

References VoxelArea::add_y(), NodeDefManager::get(), VoxelArea::getExtent(), VoxelArea::index(), ContentFeatures::isLiquid(), VoxelManipulator::m_area, VoxelManipulator::m_data, MAX_MAP_GENERATION_LIMIT, ndef, vm, and ContentFeatures::walkable.

Referenced by Decoration::placeDeco().

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getBlockSeed()

u32 Mapgen::getBlockSeed ( v3s16 p, s32 seed )

static

References p(), and seed.

Referenced by ModApiMapgen::l_generate_decorations(), and ModApiMapgen::l_generate_ores().

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getBlockSeed2()

u32 Mapgen::getBlockSeed2 ( v3s16 p, s32 seed )

static

References p(), and seed.

Referenced by MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenSinglenode::makeChunk(), MapgenV5::makeChunk(), MapgenV7::makeChunk(), and MapgenValleys::makeChunk().

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getGroundLevelAtPoint()

virtual int Mapgen::getGroundLevelAtPoint ( v2s16 p )

inlinevirtual

Reimplemented in MapgenV6.

getMapgenName()

const char * Mapgen::getMapgenName ( MapgenType mgtype )

static

References ARRLEN, g_reg_mapgens, MAPGEN_INVALID, and MapgenDesc::name.

Referenced by Server::AsyncRunStep(), MapSettingsManager::makeMapgenParams(), and MapgenParams::writeParams().

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getMapgenNames()

void Mapgen::getMapgenNames ( std::vector< const char * > * mgnames, bool include_hidden )

static

References ARRLEN, and g_reg_mapgens.

Referenced by ModApiMainMenu::l_get_mapgen_names().

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getMapgenType()

MapgenType Mapgen::getMapgenType ( const std::string & mgname )

static

References ARRLEN, g_reg_mapgens, and MAPGEN_INVALID.

Referenced by MapSettingsManager::makeMapgenParams(), and MapgenParams::readParams().

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getSpawnLevelAtPoint()

virtual int Mapgen::getSpawnLevelAtPoint ( v2s16 p )

inlinevirtual

Reimplemented in MapgenCarpathian, MapgenFlat, MapgenFractal, MapgenSinglenode, MapgenV5, MapgenV6, MapgenV7, and MapgenValleys.

getSurfaces()

void Mapgen::getSurfaces	(	v2s16	p2d,
		s16	ymin,
		s16	ymax,
		std::vector< s16 > &	floors,
		std::vector< s16 > &	ceilings )

References VoxelArea::add_y(), NodeDefManager::get(), VoxelArea::getExtent(), VoxelArea::index(), VoxelManipulator::m_area, VoxelManipulator::m_data, ndef, vm, and ContentFeatures::walkable.

Referenced by Decoration::placeDeco().

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getType()

virtual MapgenType Mapgen::getType ( ) const

inlinevirtual

Reimplemented in MapgenCarpathian, MapgenFlat, MapgenFractal, MapgenSinglenode, MapgenV5, MapgenV6, MapgenV7, and MapgenValleys.

References MAPGEN_INVALID.

isLiquidHorizontallyFlowable()

bool Mapgen::isLiquidHorizontallyFlowable ( u32 vi, v3s16 em )

inlineprivate

References VoxelArea::add_x(), VoxelArea::add_z(), CONTENT_IGNORE, ContentFeatures::floodable, NodeDefManager::get(), MapNode::getContent(), ContentFeatures::isLiquid(), VoxelManipulator::m_data, ndef, and vm.

Referenced by updateLiquid().

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lightSpread()

void Mapgen::lightSpread ( VoxelArea & a, std::queue< std::pair< v3s16, u8 > > & queue, const v3s16 & p, u8 light )

private

Spread light to the node at the given position, add to queue if changed.

The given light value is diminished once.

Parameters

a	VoxelArea being operated on
queue	Queue for later lightSpread() calls
p	Node position
light	Light value (contains both banks)

References VoxelArea::contains(), NodeDefManager::getLightingFlags(), VoxelArea::index(), ContentLightingFlags::light_propagates, VoxelManipulator::m_area, VoxelManipulator::m_data, MYMAX, ndef, p(), MapNode::param1, and vm.

Referenced by spreadLight().

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makeChunk()

virtual void Mapgen::makeChunk ( BlockMakeData * data )

inlinevirtual

Reimplemented in MapgenCarpathian, MapgenFlat, MapgenFractal, MapgenSinglenode, MapgenV5, MapgenV6, MapgenV7, and MapgenValleys.

Referenced by EmergeThread::run().

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propagateSunlight()

void Mapgen::propagateSunlight	(	v3s16	nmin,
		v3s16	nmax,
		bool	propagate_shadow )

Spread sunlight from the area above downwards.

Note that affected nodes have their night bank cleared so you want to run a light spread afterwards.

Parameters

nmin	Area to operate on
nmax	^
propagate_shadow	Ignore obstructions above and spread sun anyway

References VoxelArea::add_y(), CONTENT_IGNORE, MapNode::getContent(), VoxelArea::getExtent(), NodeDefManager::getLightingFlags(), VoxelArea::index(), LIGHT_SUN, VoxelManipulator::m_area, VoxelManipulator::m_data, VoxelArea::MaxEdge, VoxelArea::MinEdge, ndef, MapNode::param1, ContentLightingFlags::sunlight_propagates, vm, and water_level.

Referenced by calcLighting().

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setDefaultSettings()

void Mapgen::setDefaultSettings ( Settings * settings )

static

References createMapgenParams(), flagdesc_mapgen, MAPGEN_INVALID, MG_BIOMES, MG_CAVES, MG_DECORATIONS, MG_DUNGEONS, MG_LIGHT, MG_ORES, MapgenParams::setDefaultSettings(), and settings.

Referenced by set_default_settings().

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setLighting()

void Mapgen::setLighting	(	u8	light,
		v3s16	nmin,
		v3s16	nmax )

Set light in entire area to fixed value.

Parameters

light	Light value (contains both banks)
nmin	Area to operate on
nmax	^

References g_profiler, VoxelArea::index(), VoxelManipulator::m_area, VoxelManipulator::m_data, VoxelArea::MaxEdge, VoxelArea::MinEdge, MapNode::param1, SPT_AVG, and vm.

Referenced by MapgenSinglenode::makeChunk(), and ModApiMapgen::set_lighting().

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spreadLight()

void Mapgen::spreadLight	(	const v3s16 &	nmin,
		const v3s16 &	nmax )

Spread light in the given area.

Artificial light is taken from nodedef, sunlight must already be set.

Parameters

nmin	Area to operate on
nmax	^

References CONTENT_IGNORE, dir(), g_6dirs, MapNode::getContent(), NodeDefManager::getLightingFlags(), VoxelArea::index(), ContentLightingFlags::light_propagates, ContentLightingFlags::light_source, lightSpread(), VoxelManipulator::m_area, VoxelManipulator::m_data, VoxelArea::MaxEdge, VoxelArea::MinEdge, ndef, p(), MapNode::param1, and vm.

Referenced by calcLighting().

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updateHeightmap()

void Mapgen::updateHeightmap	(	v3s16	nmin,
		v3s16	nmax )

References findGroundLevel(), and heightmap.

Referenced by MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenV5::makeChunk(), MapgenV6::makeChunk(), MapgenV7::makeChunk(), and MapgenValleys::makeChunk().

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updateLiquid()

void Mapgen::updateLiquid	(	UniqueQueue< v3s16 > *	trans_liquid,
		v3s16	nmin,
		v3s16	nmax )

References VoxelArea::add_y(), CONTENT_IGNORE, ContentFeatures::floodable, NodeDefManager::get(), MapNode::getContent(), VoxelArea::getExtent(), VoxelArea::index(), ContentFeatures::isLiquid(), isLiquidHorizontallyFlowable(), VoxelManipulator::m_area, VoxelManipulator::m_data, ndef, UniqueQueue< Value >::push_back(), and vm.

Referenced by MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenSinglenode::makeChunk(), MapgenV5::makeChunk(), MapgenV6::makeChunk(), MapgenV7::makeChunk(), MapgenValleys::makeChunk(), and ModApiMapgen::update_liquids().

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Member Data Documentation

biomegen

BiomeGen* Mapgen::biomegen = nullptr

Referenced by MapgenBasic::MapgenBasic(), MapgenValleys::MapgenValleys(), MapgenBasic::generateBiomes(), MapgenBasic::generateCavesNoiseIntersection(), MapgenBasic::generateCavesRandomWalk(), MapgenBasic::generateDungeons(), ModApiMapgen::l_get_mapgen_object(), MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenV5::makeChunk(), and MapgenV7::makeChunk().

biomemap

biome_t* Mapgen::biomemap = nullptr

Referenced by MapgenBasic::MapgenBasic(), MapgenBasic::dustTopNodes(), MapgenBasic::generateBiomes(), MapgenBasic::generateCavesNoiseIntersection(), Decoration::placeDeco(), and Ore::placeOre().

blockseed

u32 Mapgen::blockseed

Referenced by EmergeThread::finishGen(), MapgenV6::generateCaves(), MapgenBasic::generateCavesRandomWalk(), MapgenBasic::generateDungeons(), MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenSinglenode::makeChunk(), MapgenV5::makeChunk(), MapgenV6::makeChunk(), MapgenV7::makeChunk(), MapgenValleys::makeChunk(), MapgenV6::placeTreesAndJungleGrass(), and EmergeThread::run().

csize

v3s16 Mapgen::csize

Referenced by Mapgen(), MapgenBasic::MapgenBasic(), MapgenCarpathian::MapgenCarpathian(), MapgenFlat::MapgenFlat(), MapgenFractal::MapgenFractal(), MapgenV5::MapgenV5(), MapgenV6::MapgenV6(), MapgenV7::MapgenV7(), MapgenValleys::MapgenValleys(), MapgenBasic::generateCavernsNoise(), MapgenBasic::generateCavesNoiseIntersection(), ModApiMapgen::l_get_mapgen_object(), and MapgenV7::makeChunk().

flags

u32 Mapgen::flags = 0

Referenced by Mapgen(), MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenSinglenode::makeChunk(), MapgenV5::makeChunk(), MapgenV6::makeChunk(), MapgenV7::makeChunk(), and MapgenValleys::makeChunk().

generating

bool Mapgen::generating = false

Referenced by EmergeThread::finishGen(), MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenSinglenode::makeChunk(), MapgenV5::makeChunk(), MapgenV6::makeChunk(), MapgenV7::makeChunk(), and MapgenValleys::makeChunk().

gennotify

GenerateNotifier Mapgen::gennotify

Referenced by EmergeThread::finishGen(), MapgenV6::generateCaves(), MapgenBasic::generateCavesRandomWalk(), MapgenBasic::generateDungeons(), ModApiMapgen::l_get_mapgen_object(), MapgenV6::makeChunk(), and Decoration::placeDeco().

heightmap

s16* Mapgen::heightmap = nullptr

Referenced by MapgenBasic::MapgenBasic(), MapgenV6::MapgenV6(), MapgenBasic::~MapgenBasic(), MapgenV6::~MapgenV6(), MapgenV6::generateCaves(), MapgenBasic::generateCavesRandomWalk(), ModApiMapgen::l_get_mapgen_object(), Decoration::placeDeco(), MapgenV6::placeTreesAndJungleGrass(), and updateHeightmap().

id

int Mapgen::id = -1

m_emerge

EmergeParams* Mapgen::m_emerge = nullptr

Referenced by Mapgen(), ~Mapgen(), MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenV5::makeChunk(), MapgenV6::makeChunk(), MapgenV7::makeChunk(), and MapgenValleys::makeChunk().

mapgen_limit

int Mapgen::mapgen_limit = 0

Referenced by Mapgen().

ndef

const NodeDefManager* Mapgen::ndef = nullptr

Referenced by Mapgen(), MapgenBasic::MapgenBasic(), MapgenSinglenode::MapgenSinglenode(), MapgenV6::MapgenV6(), ModApiMapgen::calc_lighting(), MapgenBasic::dustTopNodes(), findGroundLevel(), findLiquidSurface(), MapgenV6::flowMud(), MapgenBasic::generateCavernsNoise(), MapgenV6::generateCaves(), MapgenBasic::generateCavesNoiseIntersection(), MapgenBasic::generateCavesRandomWalk(), MapgenBasic::generateDungeons(), getSurfaces(), MapgenV6::growGrass(), isLiquidHorizontallyFlowable(), ModApiMapgen::l_generate_decorations(), ModApiMapgen::l_generate_ores(), lightSpread(), MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenSinglenode::makeChunk(), MapgenV5::makeChunk(), MapgenV6::makeChunk(), MapgenV7::makeChunk(), MapgenValleys::makeChunk(), MapgenV6::placeTreesAndJungleGrass(), propagateSunlight(), spreadLight(), ModApiMapgen::update_liquids(), and updateLiquid().

seed

s32 Mapgen::seed = 0

Referenced by Mapgen(), MapgenCarpathian::MapgenCarpathian(), MapgenFlat::MapgenFlat(), MapgenFractal::MapgenFractal(), MapgenV5::MapgenV5(), MapgenV6::MapgenV6(), MapgenV7::MapgenV7(), MapgenValleys::MapgenValleys(), MapgenV7::baseTerrainLevelAtPoint(), MapgenV6::baseTerrainLevelFromNoise(), MapgenBasic::generateCavernsNoise(), MapgenV6::generateCaves(), MapgenBasic::generateCavesNoiseIntersection(), MapgenBasic::generateCavesRandomWalk(), MapgenBasic::generateDungeons(), MapgenV6::get_blockseed(), MapgenV6::getBiome(), getBlockSeed(), getBlockSeed2(), MapgenV6::getHaveAppleTree(), MapgenV7::getMountainTerrainAtPoint(), MapgenCarpathian::getSpawnLevelAtPoint(), MapgenFlat::getSpawnLevelAtPoint(), MapgenFractal::getSpawnLevelAtPoint(), MapgenV5::getSpawnLevelAtPoint(), MapgenV7::getSpawnLevelAtPoint(), MapgenValleys::getSpawnLevelAtPoint(), MapgenV6::getTreeAmount(), ModApiMapgen::l_generate_decorations(), ModApiMapgen::l_generate_ores(), MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenV5::makeChunk(), MapgenV6::makeChunk(), MapgenV7::makeChunk(), MapgenValleys::makeChunk(), and Ore::placeOre().

vm

MMVManip* Mapgen::vm = nullptr

Referenced by MapgenV6::addMud(), ModApiMapgen::calc_lighting(), MapgenBasic::dustTopNodes(), MapgenV6::find_stone_level(), findGroundLevel(), findLiquidSurface(), EmergeThread::finishGen(), MapgenV6::flowMud(), MapgenV5::generateBaseTerrain(), MapgenBasic::generateBiomes(), MapgenBasic::generateCavernsNoise(), MapgenV6::generateCaves(), MapgenBasic::generateCavesNoiseIntersection(), MapgenBasic::generateCavesRandomWalk(), MapgenBasic::generateDungeons(), MapgenV6::generateGround(), MapgenCarpathian::generateTerrain(), MapgenFlat::generateTerrain(), MapgenFractal::generateTerrain(), MapgenV7::generateTerrain(), MapgenValleys::generateTerrain(), getSurfaces(), MapgenV6::growGrass(), isLiquidHorizontallyFlowable(), ModApiMapgen::l_generate_decorations(), ModApiMapgen::l_generate_ores(), ModApiMapgen::l_get_mapgen_object(), lightSpread(), MapgenCarpathian::makeChunk(), MapgenFlat::makeChunk(), MapgenFractal::makeChunk(), MapgenSinglenode::makeChunk(), MapgenV5::makeChunk(), MapgenV6::makeChunk(), MapgenV7::makeChunk(), MapgenValleys::makeChunk(), MapgenV6::moveMud(), Decoration::placeDeco(), Ore::placeOre(), MapgenV6::placeTreesAndJungleGrass(), propagateSunlight(), ModApiMapgen::set_lighting(), setLighting(), spreadLight(), ModApiMapgen::update_liquids(), updateLiquid(), and ServerMap::updateVManip().

water_level

int Mapgen::water_level = 0

Referenced by Mapgen(), MapgenCarpathian::MapgenCarpathian(), MapgenV6::addMud(), MapgenV6::baseTerrainLevelFromMap(), MapgenV6::baseTerrainLevelFromNoise(), MapgenV6::block_is_underground(), ModApiMapgen::calc_lighting(), MapgenBasic::dustTopNodes(), MapgenV5::generateBaseTerrain(), MapgenBasic::generateBiomes(), MapgenV6::generateCaves(), MapgenBasic::generateCavesRandomWalk(), MapgenV6::generateGround(), MapgenCarpathian::generateTerrain(), MapgenFlat::generateTerrain(), MapgenFractal::generateTerrain(), MapgenV7::generateTerrain(), MapgenValleys::generateTerrain(), MapgenV7::getRiverChannelFromMap(), MapgenCarpathian::getSpawnLevelAtPoint(), MapgenFlat::getSpawnLevelAtPoint(), MapgenFractal::getSpawnLevelAtPoint(), MapgenV5::getSpawnLevelAtPoint(), MapgenV6::getSpawnLevelAtPoint(), MapgenV7::getSpawnLevelAtPoint(), MapgenValleys::getSpawnLevelAtPoint(), MapgenV6::growGrass(), MapgenV6::placeTreesAndJungleGrass(), and propagateSunlight().

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The documentation for this class was generated from the following files:

• mapgen/mapgen.h
• mapgen/mapgen.cpp