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Dungeons: Add Y limits in all mapgens

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Preserve the upper limit used in mgvalleys.
This commit is contained in:
paramat 2018-02-17 17:43:13 +00:00 committed by paramat
parent 0f015b28a3
commit 2bc7c5ff93
15 changed files with 142 additions and 14 deletions
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42
builtin/settingtypes.txt
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@ -1323,6 +1323,12 @@ mgv5_cavern_taper (Cavern taper) int 256
# Defines full size of caverns, smaller values create larger caverns.
mgv5_cavern_threshold (Cavern threshold) float 0.7
# Lower Y limit of dungeons.
mgv5_dungeon_ymin (Dungeon minimum Y) int -31000
# Upper Y limit of dungeons.
mgv5_dungeon_ymax (Dungeon maximum Y) int 31000
[**Noises]
# Variation of biome filler depth.
@ -1364,6 +1370,12 @@ mgv6_freq_desert (Desert noise threshold) float 0.45
# Sandy beaches occur when np_beach exceeds this value.
mgv6_freq_beach (Beach noise threshold) float 0.15
# Lower Y limit of dungeons.
mgv6_dungeon_ymin (Dungeon minimum Y) int -31000
# Upper Y limit of dungeons.
mgv6_dungeon_ymax (Dungeon maximum Y) int 31000
[**Noises]
# Y-level of lower terrain and lakebeds.
@ -1444,6 +1456,12 @@ mgv7_cavern_taper (Cavern taper) int 256
# Defines full size of caverns, smaller values create larger caverns.
mgv7_cavern_threshold (Cavern threshold) float 0.7
# Lower Y limit of dungeons.
mgv7_dungeon_ymin (Dungeon minimum Y) int -31000
# Upper Y limit of dungeons.
mgv7_dungeon_ymax (Dungeon maximum Y) int 31000
[**Noises]
# Y-level of higher (cliff-top) terrain.
@ -1516,6 +1534,12 @@ mgcarpathian_cavern_taper (Cavern taper) int 256
# Defines full size of caverns, smaller values create larger caverns.
mgcarpathian_cavern_threshold (Cavern threshold) float 0.7
# Lower Y limit of dungeons.
mgcarpathian_dungeon_ymin (Dungeon minimum Y) int -31000
# Upper Y limit of dungeons.
mgcarpathian_dungeon_ymax (Dungeon maximum Y) int 31000
[**Noises]
# 2D noise that defines the base ground level.
@ -1602,6 +1626,12 @@ mgflat_hill_threshold (Hill threshold) float 0.45
# Controls steepness/height of hills.
mgflat_hill_steepness (Hill steepness) float 64.0
# Lower Y limit of dungeons.
mgflat_dungeon_ymin (Dungeon minimum Y) int -31000
# Upper Y limit of dungeons.
mgflat_dungeon_ymax (Dungeon maximum Y) int 31000
[**Noises]
# Defines location and terrain of optional hills and lakes.
@ -1627,6 +1657,12 @@ mgfractal_large_cave_depth (Large cave depth) int -33
# Y of upper limit of lava in large caves.
mgfractal_lava_depth (Lava depth) int -256
# Lower Y limit of dungeons.
mgfractal_dungeon_ymin (Dungeon minimum Y) int -31000
# Upper Y limit of dungeons.
mgfractal_dungeon_ymax (Dungeon maximum Y) int 31000
# Choice of 18 fractals from 9 formulas.
# 1 = 4D "Roundy" mandelbrot set.
# 2 = 4D "Roundy" julia set.
@ -1734,6 +1770,12 @@ mgvalleys_water_features (Water features) int 0
# Controls width of tunnels, a smaller value creates wider tunnels.
mgvalleys_cave_width (Cave width) float 0.09
# Lower Y limit of dungeons.
mgvalleys_dungeon_ymin (Dungeon minimum Y) int -31000
# Upper Y limit of dungeons.
mgvalleys_dungeon_ymax (Dungeon maximum Y) int 31000
[**Noises]
# Caves and tunnels form at the intersection of the two noises

12
src/mapgen/mapgen_carpathian.cpp
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@ -61,7 +61,10 @@ MapgenCarpathian::MapgenCarpathian(
cavern_limit = params->cavern_limit;
cavern_taper = params->cavern_taper;
cavern_threshold = params->cavern_threshold;
grad_wl = 1 - water_level;
dungeon_ymin = params->dungeon_ymin;
dungeon_ymax = params->dungeon_ymax;
grad_wl = 1 - water_level;
//// 2D Terrain noise
noise_base = new Noise(&params->np_base, seed, csize.X, csize.Z);
@ -136,6 +139,8 @@ void MapgenCarpathianParams::readParams(const Settings *settings)
settings->getS16NoEx("mgcarpathian_cavern_limit", cavern_limit);
settings->getS16NoEx("mgcarpathian_cavern_taper", cavern_taper);
settings->getFloatNoEx("mgcarpathian_cavern_threshold", cavern_threshold);
settings->getS16NoEx("mgcarpathian_dungeon_ymin", dungeon_ymin);
settings->getS16NoEx("mgcarpathian_dungeon_ymax", dungeon_ymax);
settings->getNoiseParams("mgcarpathian_np_base", np_base);
settings->getNoiseParams("mgcarpathian_np_filler_depth", np_filler_depth);
@ -165,6 +170,8 @@ void MapgenCarpathianParams::writeParams(Settings *settings) const
settings->setS16("mgcarpathian_cavern_limit", cavern_limit);
settings->setS16("mgcarpathian_cavern_taper", cavern_taper);
settings->setFloat("mgcarpathian_cavern_threshold", cavern_threshold);
settings->setS16("mgcarpathian_dungeon_ymin", dungeon_ymin);
settings->setS16("mgcarpathian_dungeon_ymax", dungeon_ymax);
settings->setNoiseParams("mgcarpathian_np_base", np_base);
settings->setNoiseParams("mgcarpathian_np_filler_depth", np_filler_depth);
@ -264,7 +271,8 @@ void MapgenCarpathian::makeChunk(BlockMakeData *data)
}
// Generate dungeons
if (flags & MG_DUNGEONS)
if ((flags & MG_DUNGEONS) && full_node_min.Y >= dungeon_ymin &&
full_node_max.Y <= dungeon_ymax)
generateDungeons(stone_surface_max_y, mgstone_type, biome_stone);
// Generate the registered decorations

4
src/mapgen/mapgen_carpathian.h
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@ -40,6 +40,8 @@ struct MapgenCarpathianParams : public MapgenParams
s16 cavern_limit = -256;
s16 cavern_taper = 256;
float cavern_threshold = 0.7f;
s16 dungeon_ymin = -31000;
s16 dungeon_ymax = 31000;
NoiseParams np_base;
NoiseParams np_filler_depth;
@ -83,6 +85,8 @@ public:
private:
s16 large_cave_depth;
s32 grad_wl;
s16 dungeon_ymin;
s16 dungeon_ymax;
Noise *noise_base;
Noise *noise_height1;

9
src/mapgen/mapgen_flat.cpp
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@ -60,6 +60,8 @@ MapgenFlat::MapgenFlat(int mapgenid, MapgenFlatParams *params, EmergeManager *em
lake_steepness = params->lake_steepness;
hill_threshold = params->hill_threshold;
hill_steepness = params->hill_steepness;
dungeon_ymin = params->dungeon_ymin;
dungeon_ymax = params->dungeon_ymax;
// 2D noise
noise_filler_depth = new Noise(&params->np_filler_depth, seed, csize.X, csize.Z);
@ -101,6 +103,8 @@ void MapgenFlatParams::readParams(const Settings *settings)
settings->getFloatNoEx("mgflat_lake_steepness", lake_steepness);
settings->getFloatNoEx("mgflat_hill_threshold", hill_threshold);
settings->getFloatNoEx("mgflat_hill_steepness", hill_steepness);
settings->getS16NoEx("mgflat_dungeon_ymin", dungeon_ymin);
settings->getS16NoEx("mgflat_dungeon_ymax", dungeon_ymax);
settings->getNoiseParams("mgflat_np_terrain", np_terrain);
settings->getNoiseParams("mgflat_np_filler_depth", np_filler_depth);
@ -120,6 +124,8 @@ void MapgenFlatParams::writeParams(Settings *settings) const
settings->setFloat("mgflat_lake_steepness", lake_steepness);
settings->setFloat("mgflat_hill_threshold", hill_threshold);
settings->setFloat("mgflat_hill_steepness", hill_steepness);
settings->setS16("mgflat_dungeon_ymin", dungeon_ymin);
settings->setS16("mgflat_dungeon_ymax", dungeon_ymax);
settings->setNoiseParams("mgflat_np_terrain", np_terrain);
settings->setNoiseParams("mgflat_np_filler_depth", np_filler_depth);
@ -198,7 +204,8 @@ void MapgenFlat::makeChunk(BlockMakeData *data)
if (flags & MG_CAVES)
generateCaves(stone_surface_max_y, large_cave_depth);
if (flags & MG_DUNGEONS)
if ((flags & MG_DUNGEONS) && full_node_min.Y >= dungeon_ymin &&
full_node_max.Y <= dungeon_ymax)
generateDungeons(stone_surface_max_y, mgstone_type, biome_stone);
// Generate the registered decorations

6
src/mapgen/mapgen_flat.h
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@ -41,6 +41,9 @@ struct MapgenFlatParams : public MapgenParams
float lake_steepness = 48.0f;
float hill_threshold = 0.45f;
float hill_steepness = 64.0f;
s16 dungeon_ymin = -31000;
s16 dungeon_ymax = 31000;
NoiseParams np_terrain;
NoiseParams np_filler_depth;
NoiseParams np_cave1;
@ -72,5 +75,8 @@ private:
float lake_steepness;
float hill_threshold;
float hill_steepness;
s16 dungeon_ymin;
s16 dungeon_ymax;
Noise *noise_terrain;
};

9
src/mapgen/mapgen_fractal.cpp
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@ -53,6 +53,8 @@ MapgenFractal::MapgenFractal(int mapgenid, MapgenFractalParams *params, EmergeMa
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;
@ -97,6 +99,8 @@ void MapgenFractalParams::readParams(const Settings *settings)
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);
@ -120,6 +124,8 @@ void MapgenFractalParams::writeParams(Settings *settings) const
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);
@ -208,7 +214,8 @@ void MapgenFractal::makeChunk(BlockMakeData *data)
if (flags & MG_CAVES)
generateCaves(stone_surface_max_y, large_cave_depth);
if (flags & MG_DUNGEONS)
if ((flags & MG_DUNGEONS) && full_node_min.Y >= dungeon_ymin &&
full_node_max.Y <= dungeon_ymax)
generateDungeons(stone_surface_max_y, mgstone_type, biome_stone);
// Generate the registered decorations

5
src/mapgen/mapgen_fractal.h
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@ -35,6 +35,8 @@ struct MapgenFractalParams : public MapgenParams
float cave_width = 0.09f;
s16 large_cave_depth = -33;
s16 lava_depth = -256;
s16 dungeon_ymin = -31000;
s16 dungeon_ymax = 31000;
u16 fractal = 1;
u16 iterations = 11;
v3f scale = v3f(4096.0, 1024.0, 4096.0);
@ -44,6 +46,7 @@ struct MapgenFractalParams : public MapgenParams
float julia_y = 0.2f;
float julia_z = 0.133f;
float julia_w = 0.067f;
NoiseParams np_seabed;
NoiseParams np_filler_depth;
NoiseParams np_cave1;
@ -74,6 +77,8 @@ private:
bool julia;
s16 large_cave_depth;
s16 dungeon_ymin;
s16 dungeon_ymax;
u16 fractal;
u16 iterations;
v3f scale;

9
src/mapgen/mapgen_v5.cpp
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@ -55,6 +55,8 @@ MapgenV5::MapgenV5(int mapgenid, MapgenV5Params *params, EmergeManager *emerge)
cavern_limit = params->cavern_limit;
cavern_taper = params->cavern_taper;
cavern_threshold = params->cavern_threshold;
dungeon_ymin = params->dungeon_ymin;
dungeon_ymax = params->dungeon_ymax;
// Terrain noise
noise_filler_depth = new Noise(&params->np_filler_depth, seed, csize.X, csize.Z);
@ -101,6 +103,8 @@ void MapgenV5Params::readParams(const Settings *settings)
settings->getS16NoEx("mgv5_cavern_limit", cavern_limit);
settings->getS16NoEx("mgv5_cavern_taper", cavern_taper);
settings->getFloatNoEx("mgv5_cavern_threshold", cavern_threshold);
settings->getS16NoEx("mgv5_dungeon_ymin", dungeon_ymin);
settings->getS16NoEx("mgv5_dungeon_ymax", dungeon_ymax);
settings->getNoiseParams("mgv5_np_filler_depth", np_filler_depth);
settings->getNoiseParams("mgv5_np_factor", np_factor);
@ -121,6 +125,8 @@ void MapgenV5Params::writeParams(Settings *settings) const
settings->setS16("mgv5_cavern_limit", cavern_limit);
settings->setS16("mgv5_cavern_taper", cavern_taper);
settings->setFloat("mgv5_cavern_threshold", cavern_threshold);
settings->setS16("mgv5_dungeon_ymin", dungeon_ymin);
settings->setS16("mgv5_dungeon_ymax", dungeon_ymax);
settings->setNoiseParams("mgv5_np_filler_depth", np_filler_depth);
settings->setNoiseParams("mgv5_np_factor", np_factor);
@ -223,7 +229,8 @@ void MapgenV5::makeChunk(BlockMakeData *data)
}
// Generate dungeons and desert temples
if (flags & MG_DUNGEONS)
if ((flags & MG_DUNGEONS) && full_node_min.Y >= dungeon_ymin &&
full_node_max.Y <= dungeon_ymax)
generateDungeons(stone_surface_max_y, mgstone_type, biome_stone);
// Generate the registered decorations

5
src/mapgen/mapgen_v5.h
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@ -38,6 +38,8 @@ struct MapgenV5Params : public MapgenParams
s16 cavern_limit = -256;
s16 cavern_taper = 256;
float cavern_threshold = 0.7f;
s16 dungeon_ymin = -31000;
s16 dungeon_ymax = 31000;
NoiseParams np_filler_depth;
NoiseParams np_factor;
@ -68,6 +70,9 @@ public:
private:
s16 large_cave_depth;
s16 dungeon_ymin;
s16 dungeon_ymax;
Noise *noise_factor;
Noise *noise_height;
Noise *noise_ground;

15
src/mapgen/mapgen_v6.cpp
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@ -63,9 +63,11 @@ MapgenV6::MapgenV6(int mapgenid, MapgenV6Params *params, EmergeManager *emerge)
heightmap = new s16[csize.X * csize.Z];
spflags = params->spflags;
freq_desert = params->freq_desert;
freq_beach = params->freq_beach;
spflags = params->spflags;
freq_desert = params->freq_desert;
freq_beach = params->freq_beach;
dungeon_ymin = params->dungeon_ymin;
dungeon_ymax = params->dungeon_ymax;
np_cave = &params->np_cave;
np_humidity = &params->np_humidity;
@ -166,6 +168,8 @@ void MapgenV6Params::readParams(const Settings *settings)
settings->getFlagStrNoEx("mgv6_spflags", spflags, flagdesc_mapgen_v6);
settings->getFloatNoEx("mgv6_freq_desert", freq_desert);
settings->getFloatNoEx("mgv6_freq_beach", freq_beach);
settings->getS16NoEx("mgv6_dungeon_ymin", dungeon_ymin);
settings->getS16NoEx("mgv6_dungeon_ymax", dungeon_ymax);
settings->getNoiseParams("mgv6_np_terrain_base", np_terrain_base);
settings->getNoiseParams("mgv6_np_terrain_higher", np_terrain_higher);
@ -186,6 +190,8 @@ void MapgenV6Params::writeParams(Settings *settings) const
settings->setFlagStr("mgv6_spflags", spflags, flagdesc_mapgen_v6, U32_MAX);
settings->setFloat("mgv6_freq_desert", freq_desert);
settings->setFloat("mgv6_freq_beach", freq_beach);
settings->setS16("mgv6_dungeon_ymin", dungeon_ymin);
settings->setS16("mgv6_dungeon_ymax", dungeon_ymax);
settings->setNoiseParams("mgv6_np_terrain_base", np_terrain_base);
settings->setNoiseParams("mgv6_np_terrain_higher", np_terrain_higher);
@ -553,7 +559,8 @@ void MapgenV6::makeChunk(BlockMakeData *data)
updateHeightmap(node_min, node_max);
// Add dungeons
if ((flags & MG_DUNGEONS) && (stone_surface_max_y >= node_min.Y)) {
if ((flags & MG_DUNGEONS) && stone_surface_max_y >= node_min.Y &&
full_node_min.Y >= dungeon_ymin && full_node_max.Y <= dungeon_ymax) {
DungeonParams dp;
dp.seed = seed;

6
src/mapgen/mapgen_v6.h
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@ -59,6 +59,9 @@ struct MapgenV6Params : public MapgenParams {
MGV6_BIOMEBLEND | MGV6_MUDFLOW;
float freq_desert = 0.45f;
float freq_beach = 0.15f;
s16 dungeon_ymin = -31000;
s16 dungeon_ymax = 31000;
NoiseParams np_terrain_base;
NoiseParams np_terrain_higher;
NoiseParams np_steepness;
@ -104,8 +107,11 @@ public:
NoiseParams *np_humidity;
NoiseParams *np_trees;
NoiseParams *np_apple_trees;
float freq_desert;
float freq_beach;
s16 dungeon_ymin;
s16 dungeon_ymax;
content_t c_stone;
content_t c_dirt;

9
src/mapgen/mapgen_v7.cpp
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@ -66,6 +66,8 @@ MapgenV7::MapgenV7(int mapgenid, MapgenV7Params *params, EmergeManager *emerge)
cavern_limit = params->cavern_limit;
cavern_taper = params->cavern_taper;
cavern_threshold = params->cavern_threshold;
dungeon_ymin = params->dungeon_ymin;
dungeon_ymax = params->dungeon_ymax;
// This is to avoid a divide-by-zero.
// Parameter will be saved to map_meta.txt in limited form.
@ -162,6 +164,8 @@ void MapgenV7Params::readParams(const Settings *settings)
settings->getS16NoEx("mgv7_cavern_limit", cavern_limit);
settings->getS16NoEx("mgv7_cavern_taper", cavern_taper);
settings->getFloatNoEx("mgv7_cavern_threshold", cavern_threshold);
settings->getS16NoEx("mgv7_dungeon_ymin", dungeon_ymin);
settings->getS16NoEx("mgv7_dungeon_ymax", dungeon_ymax);
settings->getNoiseParams("mgv7_np_terrain_base", np_terrain_base);
settings->getNoiseParams("mgv7_np_terrain_alt", np_terrain_alt);
@ -195,6 +199,8 @@ void MapgenV7Params::writeParams(Settings *settings) const
settings->setS16("mgv7_cavern_limit", cavern_limit);
settings->setS16("mgv7_cavern_taper", cavern_taper);
settings->setFloat("mgv7_cavern_threshold", cavern_threshold);
settings->setS16("mgv7_dungeon_ymin", dungeon_ymin);
settings->setS16("mgv7_dungeon_ymax", dungeon_ymax);
settings->setNoiseParams("mgv7_np_terrain_base", np_terrain_base);
settings->setNoiseParams("mgv7_np_terrain_alt", np_terrain_alt);
@ -327,7 +333,8 @@ void MapgenV7::makeChunk(BlockMakeData *data)
}
// Generate dungeons
if (flags & MG_DUNGEONS)
if ((flags & MG_DUNGEONS) && full_node_min.Y >= dungeon_ymin &&
full_node_max.Y <= dungeon_ymax)
generateDungeons(stone_surface_max_y, mgstone_type, biome_stone);
// Generate the registered decorations

4
src/mapgen/mapgen_v7.h
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@ -48,6 +48,8 @@ struct MapgenV7Params : public MapgenParams {
s16 cavern_limit = -256;
s16 cavern_taper = 256;
float cavern_threshold = 0.7f;
s16 dungeon_ymin = -31000;
s16 dungeon_ymax = 31000;
NoiseParams np_terrain_base;
NoiseParams np_terrain_alt;
@ -99,6 +101,8 @@ private:
float float_mount_exponent;
s16 floatland_level;
s16 shadow_limit;
s16 dungeon_ymin;
s16 dungeon_ymax;
Noise *noise_terrain_base;
Noise *noise_terrain_alt;

9
src/mapgen/mapgen_valleys.cpp
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@ -78,6 +78,8 @@ MapgenValleys::MapgenValleys(int mapgenid, MapgenValleysParams *params, EmergeMa
river_size_factor = params->river_size / 100.f;
water_features_lim = rangelim(params->water_features, 0, 10);
cave_width = params->cave_width;
dungeon_ymin = params->dungeon_ymin;
dungeon_ymax = params->dungeon_ymax;
//// 2D Terrain noise
noise_filler_depth = new Noise(&params->np_filler_depth, seed, csize.X, csize.Z);
@ -150,6 +152,8 @@ void MapgenValleysParams::readParams(const Settings *settings)
settings->getU16NoEx("mgvalleys_river_size", river_size);
settings->getU16NoEx("mgvalleys_water_features", water_features);
settings->getFloatNoEx("mgvalleys_cave_width", cave_width);
settings->getS16NoEx("mgvalleys_dungeon_ymin", dungeon_ymin);
settings->getS16NoEx("mgvalleys_dungeon_ymax", dungeon_ymax);
settings->getNoiseParams("mgvalleys_np_cave1", np_cave1);
settings->getNoiseParams("mgvalleys_np_cave2", np_cave2);
@ -175,6 +179,8 @@ void MapgenValleysParams::writeParams(Settings *settings) const
settings->setU16("mgvalleys_river_size", river_size);
settings->setU16("mgvalleys_water_features", water_features);
settings->setFloat("mgvalleys_cave_width", cave_width);
settings->setS16("mgvalleys_dungeon_ymin", dungeon_ymin);
settings->setS16("mgvalleys_dungeon_ymax", dungeon_ymax);
settings->setNoiseParams("mgvalleys_np_cave1", np_cave1);
settings->setNoiseParams("mgvalleys_np_cave2", np_cave2);
@ -244,7 +250,8 @@ void MapgenValleys::makeChunk(BlockMakeData *data)
generateCaves(stone_surface_max_y, large_cave_depth);
// Dungeon creation
if ((flags & MG_DUNGEONS) && node_max.Y < 50)
if ((flags & MG_DUNGEONS) && full_node_min.Y >= dungeon_ymin &&
full_node_max.Y <= dungeon_ymax)
generateDungeons(stone_surface_max_y, mgstone_type, biome_stone);
// Generate the registered decorations

12
src/mapgen/mapgen_valleys.h
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@ -54,6 +54,9 @@ struct MapgenValleysParams : public MapgenParams {
u16 river_size = 5; // How wide to make rivers.
u16 water_features = 0; // How often water will occur in caves.
float cave_width = 0.09f;
s16 dungeon_ymin = -31000;
s16 dungeon_ymax = 63; // No higher than surface mapchunks
NoiseParams np_cave1;
NoiseParams np_cave2;
NoiseParams np_filler_depth;
@ -99,19 +102,22 @@ public:
private:
BiomeGenOriginal *m_bgen;
float altitude_chill;
s16 massive_cave_depth;
s16 dungeon_ymin;
s16 dungeon_ymax;
bool humid_rivers;
bool use_altitude_chill;
float humidity_adjust;
s16 cave_water_max_height;
s16 lava_max_height;
float altitude_chill;
s16 lava_features_lim;
s16 massive_cave_depth;
float river_depth_bed;
float river_size_factor;
float *tcave_cache;
s16 water_features_lim;
Noise *noise_inter_valley_fill;
Noise *noise_inter_valley_slope;
Noise *noise_rivers;