litematic format

2026-03-22 19:45:05 +01:00
parent ea024fe808
commit 2802cc36ce
5 changed files with 151 additions and 2 deletions
@@ -75,6 +75,13 @@ func LongsToData(data []uint64, n, bpe int32) (ret []int32) {
 	return
 }

+func GetEntryFromLongs(data []uint64, i, bpe int32) (ret int32) {
+	mask := (uint64(1) << uint32(bpe)) - 1
+	elementsPerLong := 64 / bpe
+	ret = int32((data[i/elementsPerLong] >> ((i % elementsPerLong) * bpe)) & mask)
+	return
+}
+
 // UnpackBlockData minecraft does this at net.minecraft.world.chunk.PaletteProvider
 func UnpackBlockData(r io.Reader) (blocks []int32, err error) {
 	var bitsPerEntry uint8