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Dungeons: Settable density noise, move number calculation to mapgens (#8473)

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Add user-settable noise parameters for dungeon density to each mapgen,
except V6 which hardcodes this noise parameter.

Move the calculation of number of dungeons generated in a mapchunk out
of dungeongen.cpp and into mapgen code, to allow mapgens to generate
any desired number of dungeons in a mapchunk, instead of being forced
to have number of dungeons determined by a density noise.

This is more flexible and allows mapgens to use dungeon generation to
create custom structures, such as occasional mega-dungeons.
This commit is contained in:
Paramat 2019-06-01 20:50:43 +01:00 • committed by GitHub
parent a1459a9eac
commit 7379aa74cf
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GPG key ID: 4AEE18F83AFDEB23
19 changed files with 154 additions and 95 deletions
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10
src/mapgen/mapgen_fractal.cpp
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@ -70,8 +70,9 @@ MapgenFractal::MapgenFractal(MapgenFractalParams *params, EmergeManager *emerge)
noise_seabed = new Noise(&params->np_seabed, seed, csize.X, csize.Z);
noise_filler_depth = new Noise(&params->np_filler_depth, seed, csize.X, csize.Z);
MapgenBasic::np_cave1 = params->np_cave1;
MapgenBasic::np_cave2 = params->np_cave2;
MapgenBasic::np_cave1 = params->np_cave1;
MapgenBasic::np_cave2 = params->np_cave2;
MapgenBasic::np_dungeons = params->np_dungeons;
formula = fractal / 2 + fractal % 2;
julia = fractal % 2 == 0;
@ -89,7 +90,8 @@ MapgenFractalParams::MapgenFractalParams():
np_seabed (-14, 9, v3f(600, 600, 600), 41900, 5, 0.6, 2.0),
np_filler_depth (0, 1.2, v3f(150, 150, 150), 261, 3, 0.7, 2.0),
np_cave1 (0, 12, v3f(61, 61, 61), 52534, 3, 0.5, 2.0),
np_cave2 (0, 12, v3f(67, 67, 67), 10325, 3, 0.5, 2.0)
np_cave2 (0, 12, v3f(67, 67, 67), 10325, 3, 0.5, 2.0),
np_dungeons (0.9, 0.5, v3f(500, 500, 500), 0, 2, 0.8, 2.0)
{
}
@ -116,6 +118,7 @@ void MapgenFractalParams::readParams(const Settings *settings)
settings->getNoiseParams("mgfractal_np_filler_depth", np_filler_depth);
settings->getNoiseParams("mgfractal_np_cave1", np_cave1);
settings->getNoiseParams("mgfractal_np_cave2", np_cave2);
settings->getNoiseParams("mgfractal_np_dungeons", np_dungeons);
}
@ -141,6 +144,7 @@ void MapgenFractalParams::writeParams(Settings *settings) const
settings->setNoiseParams("mgfractal_np_filler_depth", np_filler_depth);
settings->setNoiseParams("mgfractal_np_cave1", np_cave1);
settings->setNoiseParams("mgfractal_np_cave2", np_cave2);
settings->setNoiseParams("mgfractal_np_dungeons", np_dungeons);
}