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network: rewrite legacy block reading (BlockS2CP)

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Bixilon 2023-05-06 13:40:37 +02:00
parent 030ea52a6c
commit 5b69fffcae
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1 changed files with 7 additions and 8 deletions
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15
src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/block/BlocksS2CP.kt
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@ -41,15 +41,14 @@ class BlocksS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
buffer.readInt() // data size, always 4*size
update = arrayOfNulls(size)
for (i in 0 until size) {
val raw = buffer.readInt()
val meta = (raw and 0xF)
val blockId = (raw and 0xFFF0 ushr 4)
val y = (raw and 0xFF0000 ushr 16)
val z = (raw and 0x0F000000 ushr 24)
val x = (raw and -0x10000000 ushr 28)
val combined = buffer.readInt()
update[i] = ChunkLocalBlockUpdate.LocalUpdate(
Vec3i(x, y, z),
buffer.connection.registries.blockState.getOrNull((blockId shl 4) or meta),
Vec3i(
x = (combined ushr 16 and 0xFF),
y = (combined ushr 24 and 0x0F),
z = (combined ushr 28 and 0x0F),
),
buffer.connection.registries.blockState.getOrNull(combined and 0xFFFF),
)
}
}