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Backport 'Dungeons: Add setting to prevent projecting dungeons' from MT 5.0

master
MoNTE48 2019-06-07 20:58:59 +02:00
parent 60b0e6a1b0
commit 19eee3150e
4 changed files with 15 additions and 3 deletions
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3
builtin/settingtypes.txt
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@ -978,6 +978,9 @@ mapgen_limit (Map generation limit) int 31000 0 31000
# Flags starting with 'no' are used to explicitly disable them.
mg_flags (Mapgen flags) flags caves,dungeons,light,decorations caves,dungeons,light,decorations,nocaves,nodungeons,nolight,nodecorations
# Whether dungeons occasionally project from the terrain.
projecting_dungeons (Projecting dungeons) bool true
[**Advanced]
# Size of chunks to be generated at once by mapgen, stated in mapblocks (16 nodes).

4
multicraft.conf.example
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@ -1195,6 +1195,10 @@
# type: flags possible values: caves, dungeons, light, decorations, nocaves, nodungeons, nolight, nodecorations
# mg_flags = caves,dungeons,light,decorations
# Whether dungeons occasionally project from the terrain.
# type: bool
# projecting_dungeons = true
### Advanced
# Size of chunks to be generated at once by mapgen, stated in mapblocks (16 nodes).

1
src/defaultsettings.cpp
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@ -362,6 +362,7 @@ void set_default_settings(Settings *settings)
settings->setDefault("mg_flags", "dungeons");
settings->setDefault("fixed_map_seed", "");
settings->setDefault("max_block_generate_distance", "8");
settings->setDefault("projecting_dungeons", "false");
settings->setDefault("enable_mapgen_debug_info", "false");
// Server list announcing

10
src/dungeongen.cpp
View File

@ -96,6 +96,8 @@ void DungeonGen::generate(MMVManip *vm, u32 bseed, v3s16 nmin, v3s16 nmax)
float nval_density = NoisePerlin3D(&dp.np_density, nmin.X, nmin.Y, nmin.Z, dp.seed);
if (nval_density < 1.0f)
return;
static const bool preserve_ignore = !g_settings->getBool("projecting_dungeons");
this->vm = vm;
this->blockseed = bseed;
@ -105,14 +107,16 @@ void DungeonGen::generate(MMVManip *vm, u32 bseed, v3s16 nmin, v3s16 nmax)
vm->clearFlag(VMANIP_FLAG_DUNGEON_INSIDE | VMANIP_FLAG_DUNGEON_PRESERVE);
if (dp.only_in_ground) {
// Set all air and water to be untouchable
// to make dungeons open to caves and open air
// Set all air and water to be untouchable to make dungeons open to
// caves and open air. Optionally set ignore to be untouchable to
// prevent protruding dungeons.
for (s16 z = nmin.Z; z <= nmax.Z; z++) {
for (s16 y = nmin.Y; y <= nmax.Y; y++) {
u32 i = vm->m_area.index(nmin.X, y, z);
for (s16 x = nmin.X; x <= nmax.X; x++) {
content_t c = vm->m_data[i].getContent();
if (c == CONTENT_AIR || c == dp.c_water ||
(preserve_ignore && c == CONTENT_IGNORE) ||
c == dp.c_river_water)
vm->m_flags[i] |= VMANIP_FLAG_DUNGEON_PRESERVE;
i++;
@ -154,7 +158,7 @@ void DungeonGen::makeDungeon(v3s16 start_padding)
/*
Find place for first room.
There is a 1 in 4 chance of the first room being 'large',
all other rooms are not 'large'.
all other rooms are noif (dp.only_in_ground) {t 'large'.
*/
bool fits = false;
for (u32 i = 0; i < 100 && !fits; i++) {