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Randomwalk caves: Add parameters for number, proportion flooded. Allow small caves (#8928)

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Add mapgen parameters to set the range of the random number of
randomwalk caves per mapchunk, and to set the proportion that are
flooded with liquids.
Default values are, for now, unchanged from the previous hardcoded
values.

Add parameters to allow small randomwalk caves
Disabled by default for now as they have never been present in the
non-mgv6 mapgens.
This commit is contained in:
Paramat 2019-11-08 03:09:43 +00:00 • committed by GitHub
parent 5506e97ed8
commit 2a74727857
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GPG key ID: 4AEE18F83AFDEB23
17 changed files with 416 additions and 188 deletions
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105
src/mapgen/mapgen_fractal.cpp
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@ -51,21 +51,26 @@ FlagDesc flagdesc_mapgen_fractal[] = {
MapgenFractal::MapgenFractal(MapgenFractalParams *params, EmergeManager *emerge)
: MapgenBasic(MAPGEN_FRACTAL, params, emerge)
{
spflags = params->spflags;
cave_width = params->cave_width;
large_cave_depth = params->large_cave_depth;
lava_depth = params->lava_depth;
dungeon_ymin = params->dungeon_ymin;
dungeon_ymax = params->dungeon_ymax;
fractal = params->fractal;
iterations = params->iterations;
scale = params->scale;
offset = params->offset;
slice_w = params->slice_w;
julia_x = params->julia_x;
julia_y = params->julia_y;
julia_z = params->julia_z;
julia_w = params->julia_w;
spflags = params->spflags;
cave_width = params->cave_width;
large_cave_depth = params->large_cave_depth;
lava_depth = params->lava_depth;
small_cave_num_min = params->small_cave_num_min;
small_cave_num_max = params->small_cave_num_max;
large_cave_num_min = params->large_cave_num_min;
large_cave_num_max = params->large_cave_num_max;
large_cave_flooded = params->large_cave_flooded;
dungeon_ymin = params->dungeon_ymin;
dungeon_ymax = params->dungeon_ymax;
fractal = params->fractal;
iterations = params->iterations;
scale = params->scale;
offset = params->offset;
slice_w = params->slice_w;
julia_x = params->julia_x;
julia_y = params->julia_y;
julia_z = params->julia_z;
julia_w = params->julia_w;
//// 2D noise
if (spflags & MGFRACTAL_TERRAIN)
@ -105,21 +110,26 @@ MapgenFractalParams::MapgenFractalParams():
void MapgenFractalParams::readParams(const Settings *settings)
{
settings->getFlagStrNoEx("mgfractal_spflags", spflags, flagdesc_mapgen_fractal);
settings->getFloatNoEx("mgfractal_cave_width", cave_width);
settings->getS16NoEx("mgfractal_large_cave_depth", large_cave_depth);
settings->getS16NoEx("mgfractal_lava_depth", lava_depth);
settings->getS16NoEx("mgfractal_dungeon_ymin", dungeon_ymin);
settings->getS16NoEx("mgfractal_dungeon_ymax", dungeon_ymax);
settings->getU16NoEx("mgfractal_fractal", fractal);
settings->getU16NoEx("mgfractal_iterations", iterations);
settings->getV3FNoEx("mgfractal_scale", scale);
settings->getV3FNoEx("mgfractal_offset", offset);
settings->getFloatNoEx("mgfractal_slice_w", slice_w);
settings->getFloatNoEx("mgfractal_julia_x", julia_x);
settings->getFloatNoEx("mgfractal_julia_y", julia_y);
settings->getFloatNoEx("mgfractal_julia_z", julia_z);
settings->getFloatNoEx("mgfractal_julia_w", julia_w);
settings->getFlagStrNoEx("mgfractal_spflags", spflags, flagdesc_mapgen_fractal);
settings->getFloatNoEx("mgfractal_cave_width", cave_width);
settings->getS16NoEx("mgfractal_large_cave_depth", large_cave_depth);
settings->getS16NoEx("mgfractal_lava_depth", lava_depth);
settings->getU16NoEx("mgfractal_small_cave_num_min", small_cave_num_min);
settings->getU16NoEx("mgfractal_small_cave_num_max", small_cave_num_max);
settings->getU16NoEx("mgfractal_large_cave_num_min", large_cave_num_min);
settings->getU16NoEx("mgfractal_large_cave_num_max", large_cave_num_max);
settings->getFloatNoEx("mgfractal_large_cave_flooded", large_cave_flooded);
settings->getS16NoEx("mgfractal_dungeon_ymin", dungeon_ymin);
settings->getS16NoEx("mgfractal_dungeon_ymax", dungeon_ymax);
settings->getU16NoEx("mgfractal_fractal", fractal);
settings->getU16NoEx("mgfractal_iterations", iterations);
settings->getV3FNoEx("mgfractal_scale", scale);
settings->getV3FNoEx("mgfractal_offset", offset);
settings->getFloatNoEx("mgfractal_slice_w", slice_w);
settings->getFloatNoEx("mgfractal_julia_x", julia_x);
settings->getFloatNoEx("mgfractal_julia_y", julia_y);
settings->getFloatNoEx("mgfractal_julia_z", julia_z);
settings->getFloatNoEx("mgfractal_julia_w", julia_w);
settings->getNoiseParams("mgfractal_np_seabed", np_seabed);
settings->getNoiseParams("mgfractal_np_filler_depth", np_filler_depth);
@ -131,21 +141,26 @@ void MapgenFractalParams::readParams(const Settings *settings)
void MapgenFractalParams::writeParams(Settings *settings) const
{
settings->setFlagStr("mgfractal_spflags", spflags, flagdesc_mapgen_fractal, U32_MAX);
settings->setFloat("mgfractal_cave_width", cave_width);
settings->setS16("mgfractal_large_cave_depth", large_cave_depth);
settings->setS16("mgfractal_lava_depth", lava_depth);
settings->setS16("mgfractal_dungeon_ymin", dungeon_ymin);
settings->setS16("mgfractal_dungeon_ymax", dungeon_ymax);
settings->setU16("mgfractal_fractal", fractal);
settings->setU16("mgfractal_iterations", iterations);
settings->setV3F("mgfractal_scale", scale);
settings->setV3F("mgfractal_offset", offset);
settings->setFloat("mgfractal_slice_w", slice_w);
settings->setFloat("mgfractal_julia_x", julia_x);
settings->setFloat("mgfractal_julia_y", julia_y);
settings->setFloat("mgfractal_julia_z", julia_z);
settings->setFloat("mgfractal_julia_w", julia_w);
settings->setFlagStr("mgfractal_spflags", spflags, flagdesc_mapgen_fractal, U32_MAX);
settings->setFloat("mgfractal_cave_width", cave_width);
settings->setS16("mgfractal_large_cave_depth", large_cave_depth);
settings->setS16("mgfractal_lava_depth", lava_depth);
settings->setU16("mgfractal_small_cave_num_min", small_cave_num_min);
settings->setU16("mgfractal_small_cave_num_max", small_cave_num_max);
settings->setU16("mgfractal_large_cave_num_min", large_cave_num_min);
settings->setU16("mgfractal_large_cave_num_max", large_cave_num_max);
settings->setFloat("mgfractal_large_cave_flooded", large_cave_flooded);
settings->setS16("mgfractal_dungeon_ymin", dungeon_ymin);
settings->setS16("mgfractal_dungeon_ymax", dungeon_ymax);
settings->setU16("mgfractal_fractal", fractal);
settings->setU16("mgfractal_iterations", iterations);
settings->setV3F("mgfractal_scale", scale);
settings->setV3F("mgfractal_offset", offset);
settings->setFloat("mgfractal_slice_w", slice_w);
settings->setFloat("mgfractal_julia_x", julia_x);
settings->setFloat("mgfractal_julia_y", julia_y);
settings->setFloat("mgfractal_julia_z", julia_z);
settings->setFloat("mgfractal_julia_w", julia_w);
settings->setNoiseParams("mgfractal_np_seabed", np_seabed);
settings->setNoiseParams("mgfractal_np_filler_depth", np_filler_depth);