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-rw-r--r--src/mapgen/mg_decoration.cpp19
1 files changed, 14 insertions, 5 deletions
diff --git a/src/mapgen/mg_decoration.cpp b/src/mapgen/mg_decoration.cpp
index dd621db11..6daa8216e 100644
--- a/src/mapgen/mg_decoration.cpp
+++ b/src/mapgen/mg_decoration.cpp
@@ -360,13 +360,22 @@ size_t DecoSchematic::generate(MMVManip *vm, PcgRandom *pr, v3s16 p, bool ceilin
if (p.Y < vm->m_area.MinEdge.Y)
return 0;
- if (flags & DECO_PLACE_CENTER_X)
- p.X -= (schematic->size.X - 1) / 2;
- if (flags & DECO_PLACE_CENTER_Z)
- p.Z -= (schematic->size.Z - 1) / 2;
-
Rotation rot = (rotation == ROTATE_RAND) ?
(Rotation)pr->range(ROTATE_0, ROTATE_270) : rotation;
+
+ if (flags & DECO_PLACE_CENTER_X) {
+ if (rot == ROTATE_0 || rot == ROTATE_180)
+ p.X -= (schematic->size.X - 1) / 2;
+ else
+ p.Z -= (schematic->size.X - 1) / 2;
+ }
+ if (flags & DECO_PLACE_CENTER_Z) {
+ if (rot == ROTATE_0 || rot == ROTATE_180)
+ p.Z -= (schematic->size.Z - 1) / 2;
+ else
+ p.X -= (schematic->size.Z - 1) / 2;
+ }
+
bool force_placement = (flags & DECO_FORCE_PLACEMENT);
schematic->blitToVManip(vm, p, rot, force_placement);