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Fixed i16 underflow

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This commit is contained in:
Joshua Barretto 2022-05-09 11:53:59 +01:00
parent 1db7cc7fde
commit 3881d2ea38
1 changed files with 12 additions and 5 deletions
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15
world/src/lib.rs
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@ -484,20 +484,27 @@ impl World {
.filter(|col| layer::tree::tree_valid_at(col, attr.seed))
.zip(Some(attr))
})
.map(|(col, tree)| lod::Object {
.filter_map(|(col, tree)| Some(lod::Object {
kind: match tree.forest_kind {
all::ForestKind::Oak => lod::ObjectKind::Oak,
all::ForestKind::Pine
| all::ForestKind::Frostpine=> lod::ObjectKind::Pine,
_ => lod::ObjectKind::Oak,
},
pos: (tree.pos - min_wpos)
pos: {
let rpos = tree.pos - min_wpos;
if rpos.is_any_negative() {
return None
} else {
rpos
.map(|e| e as u16)
.with_z(self.sim().get_alt_approx(tree.pos).unwrap_or(0.0) as u16),
.with_z(self.sim().get_alt_approx(tree.pos).unwrap_or(0.0) as u16)
}
},
flags: lod::Flags::empty()
| if col.snow_cover { lod::Flags::SNOW_COVERED } else { lod::Flags::empty() }
,
})
}))
.collect());
lod::Zone { objects }