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Decorations: Fix decoration height check errors

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Fix height check comparison from '>=' to '>'.
Fix getHeight() for schematic decorations to account for
'deco place center y' flag and for how normal placement
sinks schematic 1 node into the ground.

Jungletrees were not being placed at y = 46, y = 47 despite
having an acceptable 16 nodes of height above ground surface.
This commit is contained in:
paramat 2016-08-03 03:44:33 +01:00
parent ea12da939f
commit b6d845adb4
1 changed files with 6 additions and 2 deletions
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8
src/mg_decoration.cpp
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@ -145,7 +145,7 @@ size_t Decoration::placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
y < y_min || y > y_max)
continue;
if (y + getHeight() >= mg->vm->m_area.MaxEdge.Y) {
if (y + getHeight() > mg->vm->m_area.MaxEdge.Y) {
continue;
#if 0
printf("Decoration at (%d %d %d) cut off\n", x, y, z);
@ -370,5 +370,9 @@ size_t DecoSchematic::generate(MMVManip *vm, PcgRandom *pr, v3s16 p)
int DecoSchematic::getHeight()
{
return schematic->size.Y;
// Account for a schematic being sunk into the ground by flag.
// When placed normally account for how a schematic is placed
// sunk 1 node into the ground.
return (flags & DECO_PLACE_CENTER_Y) ?
(schematic->size.Y - 1) / 2 : schematic->size.Y - 1;
}