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author | Paramat <paramat@users.noreply.github.com> | 2019-06-01 20:50:43 +0100 |
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committer | GitHub <noreply@github.com> | 2019-06-01 20:50:43 +0100 |
commit | 7379aa74cf98c7e4c7aa5325ef1531d412a0abac (patch) | |
tree | 45a3c608dce1fd03182f4f84f1968439dbfa4dbc /src/mapgen/mapgen.cpp | |
parent | a1459a9eac4eeb35a6c578a8b8f96393f87ed53d (diff) | |
download | minetest-7379aa74cf98c7e4c7aa5325ef1531d412a0abac.tar.gz minetest-7379aa74cf98c7e4c7aa5325ef1531d412a0abac.tar.bz2 minetest-7379aa74cf98c7e4c7aa5325ef1531d412a0abac.zip |
Dungeons: Settable density noise, move number calculation to mapgens (#8473)
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.
Diffstat (limited to 'src/mapgen/mapgen.cpp')
-rw-r--r-- | src/mapgen/mapgen.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/mapgen/mapgen.cpp b/src/mapgen/mapgen.cpp index bdbbc01f7..c4aaff00d 100644 --- a/src/mapgen/mapgen.cpp +++ b/src/mapgen/mapgen.cpp @@ -19,6 +19,7 @@ with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ +#include <cmath> #include "mapgen.h" #include "voxel.h" #include "noise.h" @@ -889,6 +890,11 @@ void MapgenBasic::generateDungeons(s16 max_stone_y) if (max_stone_y < node_min.Y) return; + u16 num_dungeons = std::fmax(std::floor( + NoisePerlin3D(&np_dungeons, node_min.X, node_min.Y, node_min.Z, seed)), 0.0f); + if (num_dungeons == 0) + return; + // Get biome at mapchunk midpoint v3s16 chunk_mid = node_min + (node_max - node_min) / v3s16(2, 2, 2); Biome *biome = (Biome *)biomegen->getBiomeAtPoint(chunk_mid); @@ -902,8 +908,8 @@ void MapgenBasic::generateDungeons(s16 max_stone_y) dp.rooms_min = 2; dp.rooms_max = 16; - dp.np_density = nparams_dungeon_density; - dp.np_alt_wall = nparams_dungeon_alt_wall; + dp.np_alt_wall = + NoiseParams(-0.4, 1.0, v3f(40.0, 40.0, 40.0), 32474, 6, 1.1, 2.0); // Biome-defined dungeon nodes if (biome->c_dungeon != CONTENT_IGNORE) { @@ -980,7 +986,7 @@ void MapgenBasic::generateDungeons(s16 max_stone_y) } DungeonGen dgen(ndef, &gennotify, &dp); - dgen.generate(vm, blockseed, full_node_min, full_node_max); + dgen.generate(vm, blockseed, full_node_min, full_node_max, num_dungeons); } |