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1.7.10 (5) multiprotocol support (#64) 

Adds 1.7.10 protocol version 5 support, a major update with significant changes.
Expands https://github.com/iceiix/steven/issues/18 Enhance protocol support

* Add v1_7_10 protocol packet structures and IDs

* EncryptionRequest/Response i16 variant in login protocol

* 1.7.10 slot NBT data parsing

* Support both 1.7/1.8+ item::Stack in read_from, using if protocol_verson

* 1.7.10 chunk format support, ChunkDataBulk_17 and ChunkData_17

* Extract dirty_chunks_by_bitmask from load_chunks17/18/19

* Implement keepalive i32 handler

* Send PlayerPositionLook_HeadY

* Send PlayerBlockPlacement_u8_Item_u8y

* Handle JoinGame_i8_NoDebug

* Handle SpawnPlayer_i32_HeldItem_String

* BlockChange_u8, MultiBlockChange_i16, UpdateBlockEntity_Data, EntityMove_i8_i32_NoGround, EntityLook_i32_NoGround, EntityLookAndMove_i8_i32_NoGround

* UpdateSign_u16, PlayerInfo_String, EntityDestroy_u8, EntityTeleport_i32_i32_NoGround

* Send feet_y = head_y - 1.62, fixes Illegal stance

https://wiki.vg/index.php?title=Protocol&oldid=6003#Player_Position

> Updates the players XYZ position on the server. If HeadY - FeetY is less than 0.1 or greater than 1.65, the stance is illegal and the client will be kicked with the message “Illegal Stance”.

> Absolute feet position, normally HeadY - 1.62. Used to modify the players bounding box when going up stairs, crouching, etc…

* Set on_ground = true in entity teleport, fixes bouncing

* Implement block change, fix metadata/id packing, bounce _u8 through on_block_change

* Implement on_multi_block_change_u16, used with explosions
This commit is contained in:
iceiix 2018-12-15 19:56:54 -08:00 committed by ice_iix
parent e28946b691
commit 37e6d962ec
1 changed files with 25 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
protocol/src/item.rs
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@ -43,11 +43,32 @@ impl Serializable for Option<Stack> {
if id == -1 {
return Ok(None);
}
let count = buf.read_u8()? as isize;
let damage = buf.read_i16::<BigEndian>()? as isize;
let protocol_version = unsafe { protocol::CURRENT_PROTOCOL_VERSION };
let tag: Option<nbt::NamedTag> = if protocol_version >= 47 {
Serializable::read_from(buf)?
} else {
// 1.7 uses a different slot data format described on https://wiki.vg/index.php?title=Slot_Data&diff=6056&oldid=4753
let tag_size = buf.read_i16::<BigEndian>()?;
if tag_size != -1 {
for _ in 0..tag_size {
let _ = buf.read_u8()?;
}
// TODO: decompress zlib NBT for 1.7
None
} else {
None
}
};
Ok(Some(Stack {
id: id as isize,
count: buf.read_u8()? as isize,
damage: buf.read_i16::<BigEndian>()? as isize,
tag: Serializable::read_from(buf)?,
count,
damage,
tag,
}))
}
fn write_to<W: io::Write>(&self, buf: &mut W) -> Result<(), protocol::Error> {
@ -56,6 +77,7 @@ impl Serializable for Option<Stack> {
buf.write_i16::<BigEndian>(val.id as i16)?;
buf.write_u8(val.count as u8)?;
buf.write_i16::<BigEndian>(val.damage as i16)?;
// TODO: compress zlib NBT if 1.7
val.tag.write_to(buf)?;
}
None => buf.write_i16::<BigEndian>(-1)?,