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-rw-r--r--src/defaultsettings.cpp1
-rw-r--r--src/dungeongen.cpp8
2 files changed, 7 insertions, 2 deletions
diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp
index 42e369f60..fe3a4d275 100644
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@@ -349,6 +349,7 @@ void set_default_settings(Settings *settings)
settings->setDefault("mg_flags", "dungeons");
settings->setDefault("fixed_map_seed", "");
settings->setDefault("max_block_generate_distance", "7");
+ settings->setDefault("projecting_dungeons", "true");
settings->setDefault("enable_mapgen_debug_info", "false");
// Server list announcing
diff --git a/src/dungeongen.cpp b/src/dungeongen.cpp
index 6cef3f88d..883492bab 100644
--- a/src/dungeongen.cpp
+++ b/src/dungeongen.cpp
@@ -97,6 +97,8 @@ void DungeonGen::generate(MMVManip *vm, u32 bseed, v3s16 nmin, v3s16 nmax)
if (nval_density < 1.0f)
return;
+ static const bool preserve_ignore = !g_settings->getBool("projecting_dungeons");
+
this->vm = vm;
this->blockseed = bseed;
random.seed(bseed + 2);
@@ -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++;