Noise Class Reference

#include <noise.h>

Collaboration diagram for Noise:

Public Member Functions
	Noise (const NoiseParams *np, s32 seed, u32 sx, u32 sy, u32 sz=1)
	~Noise ()
void	setSize (u32 sx, u32 sy, u32 sz=1)
void	setSpreadFactor (v3f spread)
void	setOctaves (int octaves)
void	valueMap2D (float x, float y, float step_x, float step_y, s32 seed)
void	valueMap3D (float x, float y, float z, float step_x, float step_y, float step_z, s32 seed)
float *	noiseMap2D (float x, float y, float *persistence_map=NULL)
float *	noiseMap3D (float x, float y, float z, float *persistence_map=NULL)
float *	noiseMap2D_PO (float x, float xoff, float y, float yoff, float *persistence_map=NULL)
float *	noiseMap3D_PO (float x, float xoff, float y, float yoff, float z, float zoff, float *persistence_map=NULL)

Public Attributes
NoiseParams	np
s32	seed
u32	sx
u32	sy
u32	sz
float *	noise_buf = nullptr
float *	value_buf = nullptr
float *	persist_buf = nullptr
float *	result = nullptr

Private Member Functions
void	allocBuffers ()
void	resizeNoiseBuf (bool is3d)
void	updateResults (float g, float *gmap, const float *persistence_map, size_t bufsize)

Constructor & Destructor Documentation

Noise()

Noise::Noise	(	const NoiseParams *	np,
		s32	seed,
		u32	sx,
		u32	sy,
		u32	sz = 1 )

References allocBuffers(), np, seed, sx, sy, and sz.

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~Noise()

Noise::~Noise

(

)

References noise_buf, persist_buf, result, and value_buf.

Member Function Documentation

allocBuffers()

void Noise::allocBuffers ( )

private

References noise_buf, persist_buf, resizeNoiseBuf(), result, sx, sy, sz, and value_buf.

Referenced by Noise(), and setSize().

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noiseMap2D()

float * Noise::noiseMap2D	(	float	x,
		float	y,
		float *	persistence_map = NULL )

References NoiseParams::lacunarity, np, NoiseParams::octaves, NoiseParams::offset, NoiseParams::persist, persist_buf, result, NoiseParams::scale, seed, NoiseParams::seed, NoiseParams::spread, sx, sy, updateResults(), valueMap2D(), x, and y.

Referenced by BiomeGenOriginal::calcBiomeNoise(), OrePuff::generate(), OreSheet::generate(), OreStratum::generate(), MapgenV5::generateBaseTerrain(), MapgenBasic::generateBiomes(), MapgenCarpathian::generateTerrain(), MapgenFlat::generateTerrain(), MapgenFractal::generateTerrain(), MapgenV7::generateTerrain(), MapgenValleys::generateTerrain(), LuaValueNoiseMap::l_calc_2d_map(), LuaValueNoiseMap::l_get_2d_map(), LuaValueNoiseMap::l_get_2d_map_flat(), noiseMap2D_PO(), and TestNoise::testNoise2dBulk().

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noiseMap2D_PO()

float * Noise::noiseMap2D_PO ( float x, float xoff, float y, float yoff, float * persistence_map = NULL )

inline

References noiseMap2D(), np, NoiseParams::spread, x, and y.

Referenced by MapgenV6::calculateNoise().

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noiseMap3D()

float * Noise::noiseMap3D	(	float	x,
		float	y,
		float	z,
		float *	persistence_map = NULL )

References NoiseParams::lacunarity, np, NoiseParams::octaves, NoiseParams::offset, NoiseParams::persist, persist_buf, result, NoiseParams::scale, seed, NoiseParams::seed, NoiseParams::spread, sx, sy, sz, updateResults(), valueMap3D(), x, y, and z.

Referenced by OreBlob::generate(), OreVein::generate(), MapgenV5::generateBaseTerrain(), CavernsNoise::generateCaverns(), CavesNoiseIntersection::generateCaves(), MapgenCarpathian::generateTerrain(), MapgenV7::generateTerrain(), MapgenValleys::generateTerrain(), LuaValueNoiseMap::l_calc_3d_map(), LuaValueNoiseMap::l_get_3d_map(), LuaValueNoiseMap::l_get_3d_map_flat(), noiseMap3D_PO(), TestNoise::testNoise3dBulk(), and TestNoise::testNoiseInvalidParams().

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noiseMap3D_PO()

float * Noise::noiseMap3D_PO ( float x, float xoff, float y, float yoff, float z, float zoff, float * persistence_map = NULL )

inline

References noiseMap3D(), np, NoiseParams::spread, x, y, and z.

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resizeNoiseBuf()

void Noise::resizeNoiseBuf ( bool is3d )

private

References errorstream, NoiseParams::lacunarity, noise_buf, np, NoiseParams::octaves, NoiseParams::spread, sx, sy, and sz.

Referenced by allocBuffers(), setOctaves(), and setSpreadFactor().

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setOctaves()

void Noise::setOctaves

(

int

octaves

)

References np, NoiseParams::octaves, resizeNoiseBuf(), and sz.

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setSize()

void Noise::setSize	(	u32	sx,
		u32	sy,
		u32	sz = 1 )

References allocBuffers(), sx, sy, and sz.

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setSpreadFactor()

void Noise::setSpreadFactor

(

v3f

spread

)

References np, resizeNoiseBuf(), NoiseParams::spread, and sz.

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updateResults()

void Noise::updateResults ( float g, float * gmap, const float * persistence_map, size_t bufsize )

private

References NoiseParams::flags, NOISE_FLAG_ABSVALUE, np, result, and value_buf.

Referenced by noiseMap2D(), and noiseMap3D().

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valueMap2D()

void Noise::valueMap2D	(	float	x,
		float	y,
		float	step_x,
		float	step_y,
		s32	seed )

References biLinearInterpolation(), NoiseParams::flags, idx, noise2d(), noise_buf, NOISE_FLAG_DEFAULTS, NOISE_FLAG_EASED, np, seed, sx, sy, value_buf, x, and y.

Referenced by noiseMap2D().

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valueMap3D()

void Noise::valueMap3D	(	float	x,
		float	y,
		float	z,
		float	step_x,
		float	step_y,
		float	step_z,
		s32	seed )

References NoiseParams::flags, idx, noise3d(), noise_buf, NOISE_FLAG_EASED, np, seed, sx, sy, sz, triLinearInterpolation(), value_buf, x, y, and z.

Referenced by noiseMap3D().

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Member Data Documentation

noise_buf

float* Noise::noise_buf = nullptr

Referenced by ~Noise(), allocBuffers(), resizeNoiseBuf(), valueMap2D(), and valueMap3D().

np

NoiseParams Noise::np

Referenced by Noise(), MapgenV7::baseTerrainLevelAtPoint(), MapgenV6::baseTerrainLevelFromNoise(), MapgenV7::getMountainTerrainAtPoint(), MapgenCarpathian::getSpawnLevelAtPoint(), MapgenFlat::getSpawnLevelAtPoint(), MapgenFractal::getSpawnLevelAtPoint(), MapgenV5::getSpawnLevelAtPoint(), MapgenV7::getSpawnLevelAtPoint(), MapgenValleys::getSpawnLevelAtPoint(), noiseMap2D(), noiseMap2D_PO(), noiseMap3D(), noiseMap3D_PO(), LuaValueNoiseMap::packIn(), resizeNoiseBuf(), setOctaves(), setSpreadFactor(), updateResults(), valueMap2D(), and valueMap3D().

persist_buf

float* Noise::persist_buf = nullptr

Referenced by ~Noise(), allocBuffers(), noiseMap2D(), and noiseMap3D().

result

float* Noise::result = nullptr

Referenced by BiomeGenOriginal::BiomeGenOriginal(), ~Noise(), allocBuffers(), MapgenV6::baseTerrainLevelFromMap(), MapgenV7::baseTerrainLevelFromMap(), BiomeGenOriginal::calcBiomeNoise(), OreBlob::generate(), OrePuff::generate(), OreSheet::generate(), OreStratum::generate(), OreVein::generate(), MapgenV5::generateBaseTerrain(), MapgenBasic::generateBiomes(), CavernsNoise::generateCaverns(), CavesNoiseIntersection::generateCaves(), MapgenCarpathian::generateTerrain(), MapgenFlat::generateTerrain(), MapgenFractal::generateTerrain(), MapgenV7::generateTerrain(), MapgenValleys::generateTerrain(), MapgenV6::getBiome(), BiomeGenOriginal::getBiomeAtIndex(), BiomeGenOriginal::getBiomes(), MapgenV7::getFloatlandTerrainFromMap(), MapgenV6::getHaveBeach(), MapgenV6::getHumidity(), MapgenV7::getMountainTerrainFromMap(), MapgenV6::getMudAmount(), MapgenV7::getRiverChannelFromMap(), LuaValueNoiseMap::l_get_2d_map(), LuaValueNoiseMap::l_get_2d_map_flat(), LuaValueNoiseMap::l_get_3d_map(), LuaValueNoiseMap::l_get_3d_map_flat(), LuaValueNoiseMap::l_get_map_slice(), noiseMap2D(), noiseMap3D(), and updateResults().

seed

s32 Noise::seed

Referenced by Noise(), OreBlob::generate(), OrePuff::generate(), OreSheet::generate(), noiseMap2D(), noiseMap3D(), LuaValueNoiseMap::packIn(), valueMap2D(), and valueMap3D().

sx

u32 Noise::sx

Referenced by Noise(), allocBuffers(), LuaValueNoiseMap::l_get_2d_map(), LuaValueNoiseMap::l_get_2d_map_flat(), LuaValueNoiseMap::l_get_3d_map(), LuaValueNoiseMap::l_get_3d_map_flat(), LuaValueNoiseMap::l_get_map_slice(), noiseMap2D(), noiseMap3D(), LuaValueNoiseMap::packIn(), resizeNoiseBuf(), setSize(), valueMap2D(), and valueMap3D().

sy

u32 Noise::sy

Referenced by Noise(), allocBuffers(), LuaValueNoiseMap::l_get_2d_map(), LuaValueNoiseMap::l_get_2d_map_flat(), LuaValueNoiseMap::l_get_3d_map(), LuaValueNoiseMap::l_get_3d_map_flat(), LuaValueNoiseMap::l_get_map_slice(), noiseMap2D(), noiseMap3D(), LuaValueNoiseMap::packIn(), resizeNoiseBuf(), setSize(), valueMap2D(), and valueMap3D().

sz

u32 Noise::sz

Referenced by Noise(), allocBuffers(), LuaValueNoiseMap::is3D(), LuaValueNoiseMap::l_get_3d_map(), LuaValueNoiseMap::l_get_3d_map_flat(), LuaValueNoiseMap::l_get_map_slice(), noiseMap3D(), LuaValueNoiseMap::packIn(), resizeNoiseBuf(), setOctaves(), setSize(), setSpreadFactor(), and valueMap3D().

value_buf

float* Noise::value_buf = nullptr

Referenced by ~Noise(), allocBuffers(), updateResults(), valueMap2D(), and valueMap3D().

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

• noise.h
• noise.cpp