oss/luanti
oss/luanti
1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-06-27 16:36:03 +00:00
Code Wiki Activity

Mgfractal: Revert unnecessary duplication of parameters

Browse source
This commit is contained in:
paramat 2015-11-14 09:18:01 +00:00
parent bdfb761dd0
commit cb7da90138
4 changed files with 60 additions and 138 deletions
Download patch file Download diff file Expand all files Collapse all files

80
src/mapgen_fractal.cpp
View file

@ -59,25 +59,20 @@ MapgenFractal::MapgenFractal(int mapgenid, MapgenParams *params, EmergeManager *
this->ystride = csize.X;
this->zstride = csize.X * (csize.Y + 2);
this->biomemap = new u8[csize.X * csize.Z];
this->heightmap = new s16[csize.X * csize.Z];
this->heatmap = NULL;
this->humidmap = NULL;
this->biomemap = new u8[csize.X * csize.Z];
this->heightmap = new s16[csize.X * csize.Z];
this->heatmap = NULL;
this->humidmap = NULL;
MapgenFractalParams *sp = (MapgenFractalParams *)params->sparams;
this->spflags = sp->spflags;
this->formula = sp->formula;
this->formula = sp->formula;
this->iterations = sp->iterations;
this->scale = sp->scale;
this->offset = sp->offset;
this->slice_w = sp->slice_w;
this->m_iterations = sp->m_iterations;
this->m_scale = sp->m_scale;
this->m_offset = sp->m_offset;
this->m_slice_w = sp->m_slice_w;
this->j_iterations = sp->j_iterations;
this->j_scale = sp->j_scale;
this->j_offset = sp->j_offset;
this->j_slice_w = sp->j_slice_w;
this->julia_x = sp->julia_x;
this->julia_y = sp->julia_y;
this->julia_z = sp->julia_z;
@ -148,16 +143,11 @@ MapgenFractalParams::MapgenFractalParams()
spflags = 0;
formula = 1;
iterations = 9;
scale = v3f(1024.0, 256.0, 1024.0);
offset = v3f(1.75, 0.0, 0.0);
slice_w = 0.0;
m_iterations = 9; // Mandelbrot set only
m_scale = v3f(1024.0, 256.0, 1024.0);
m_offset = v3f(1.75, 0.0, 0.0);
m_slice_w = 0.0;
j_iterations = 9; // Julia set only
j_scale = v3f(2048.0, 512.0, 2048.0);
j_offset = v3f(0.0, 1.0, 0.0);
j_slice_w = 0.0;
julia_x = 0.33;
julia_y = 0.33;
julia_z = 0.33;
@ -175,16 +165,11 @@ void MapgenFractalParams::readParams(const Settings *settings)
settings->getFlagStrNoEx("mgfractal_spflags", spflags, flagdesc_mapgen_fractal);
settings->getU16NoEx("mgfractal_formula", formula);
settings->getU16NoEx("mgfractal_iterations", iterations);
settings->getV3FNoEx("mgfractal_scale", scale);
settings->getV3FNoEx("mgfractal_offset", offset);
settings->getFloatNoEx("mgfractal_slice_w", slice_w);
settings->getU16NoEx("mgfractal_m_iterations", m_iterations);
settings->getV3FNoEx("mgfractal_m_scale", m_scale);
settings->getV3FNoEx("mgfractal_m_offset", m_offset);
settings->getFloatNoEx("mgfractal_m_slice_w", m_slice_w);
settings->getU16NoEx("mgfractal_j_iterations", j_iterations);
settings->getV3FNoEx("mgfractal_j_scale", j_scale);
settings->getV3FNoEx("mgfractal_j_offset", j_offset);
settings->getFloatNoEx("mgfractal_j_slice_w", j_slice_w);
settings->getFloatNoEx("mgfractal_julia_x", julia_x);
settings->getFloatNoEx("mgfractal_julia_y", julia_y);
settings->getFloatNoEx("mgfractal_julia_z", julia_z);
@ -202,16 +187,11 @@ void MapgenFractalParams::writeParams(Settings *settings) const
settings->setFlagStr("mgfractal_spflags", spflags, flagdesc_mapgen_fractal, U32_MAX);
settings->setU16("mgfractal_formula", formula);
settings->setU16("mgfractal_iterations", iterations);
settings->setV3F("mgfractal_scale", scale);
settings->setV3F("mgfractal_offset", offset);
settings->setFloat("mgfractal_slice_w", slice_w);
settings->setU16("mgfractal_m_iterations", m_iterations);
settings->setV3F("mgfractal_m_scale", m_scale);
settings->setV3F("mgfractal_m_offset", m_offset);
settings->setFloat("mgfractal_m_slice_w", m_slice_w);
settings->setU16("mgfractal_j_iterations", j_iterations);
settings->setV3F("mgfractal_j_scale", j_scale);
settings->setV3F("mgfractal_j_offset", j_offset);
settings->setFloat("mgfractal_j_slice_w", j_slice_w);
settings->setFloat("mgfractal_julia_x", julia_x);
settings->setFloat("mgfractal_julia_y", julia_y);
settings->setFloat("mgfractal_julia_z", julia_z);
@ -393,23 +373,21 @@ bool MapgenFractal::getFractalAtPoint(s16 x, s16 y, s16 z)
cy = julia_y;
cz = julia_z;
cw = julia_w;
ox = (float)x / j_scale.X - j_offset.X;
oy = (float)y / j_scale.Y - j_offset.Y;
oz = (float)z / j_scale.Z - j_offset.Z;
ow = j_slice_w;
ox = (float)x / scale.X - offset.X;
oy = (float)y / scale.Y - offset.Y;
oz = (float)z / scale.Z - offset.Z;
ow = slice_w;
} else { // Mandelbrot set
cx = (float)x / m_scale.X - m_offset.X;
cy = (float)y / m_scale.Y - m_offset.Y;
cz = (float)z / m_scale.Z - m_offset.Z;
cw = m_slice_w;
cx = (float)x / scale.X - offset.X;
cy = (float)y / scale.Y - offset.Y;
cz = (float)z / scale.Z - offset.Z;
cw = slice_w;
ox = 0.0f;
oy = 0.0f;
oz = 0.0f;
ow = 0.0f;
}
u16 iterations = spflags & MGFRACTAL_JULIA ? j_iterations : m_iterations;
for (u16 iter = 0; iter < iterations; iter++) {
float nx = 0.0f;
float ny = 0.0f;