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DecoSchematic: Fix missing trees in rough terrain 

Move place_on check to before place_center_x/y/z displacement of p
Reduce displacement of p by place_center_x/y/z flags
to correctly position schematics
This commit is contained in:
paramat 2015-04-21 12:09:32 +01:00
parent ccc09abc2d
commit ac6efa2539
1 changed files with 9 additions and 12 deletions
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21
src/mg_decoration.cpp
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@ -324,26 +324,23 @@ size_t DecoSchematic::generate(MMVManip *vm, PseudoRandom *pr, v3s16 p)
if (schematic == NULL)
return 0;
if (flags & DECO_PLACE_CENTER_X)
p.X -= (schematic->size.X + 1) / 2;
if (flags & DECO_PLACE_CENTER_Y)
p.Y -= (schematic->size.Y + 1) / 2;
if (flags & DECO_PLACE_CENTER_Z)
p.Z -= (schematic->size.Z + 1) / 2;
bool force_placement = (flags & DECO_FORCE_PLACEMENT);
if (!vm->m_area.contains(p))
return 0;
u32 vi = vm->m_area.index(p);
content_t c = vm->m_data[vi].getContent();
if (!CONTAINS(c_place_on, c))
return 0;
if (flags & DECO_PLACE_CENTER_X)
p.X -= (schematic->size.X - 1) / 2;
if (flags & DECO_PLACE_CENTER_Y)
p.Y -= (schematic->size.Y - 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;
bool force_placement = (flags & DECO_FORCE_PLACEMENT);
schematic->blitToVManip(p, vm, rot, force_placement, m_ndef);
return 1;