falloutBot/go-mc
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add unit test for directSection

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This commit is contained in:
Tnze
2020-05-19 14:41:01 +08:00
parent 32527442ed
commit 39c9525525
2 changed files with 49 additions and 1 deletions
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2
bot/world/chunk.go
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@ -112,7 +112,7 @@ func (d *directSection) SetBlock(x, y, z int, s BlockStatus) {
padding := offset % 64
const maxUint64 = 1<<64 - 1
mask := uint64(maxUint64<<(padding+d.bpb) | (1<<padding - 1))
d.data[offset/64] = uint64(d.data[offset/64])&mask | uint64(s)<<padding
d.data[offset/64] = d.data[offset/64]&mask | uint64(s)<<padding
if padding > 64-d.bpb {
l := padding - (64 - d.bpb)
d.data[offset/64+1] = d.data[offset/64+1]&(maxUint64<<l) | uint64(s)>>(64-padding)