From 7379aa74cf98c7e4c7aa5325ef1531d412a0abac Mon Sep 17 00:00:00 2001 From: Paramat Date: Sat, 1 Jun 2019 20:50:43 +0100 Subject: 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. --- src/mapgen/mapgen.cpp | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'src/mapgen/mapgen.cpp') 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 #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); } -- cgit v1.2.3