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// Copyright (C) 2021-2021 The Whirlsplash Collective
// SPDX-License-Identifier: GPL-3.0-only
use {
crate::cmd::{
constants::Command,
extendable::{Creatable, Parsable},
},
byteorder::{BigEndian, ReadBytesExt},
bytes::{Buf, BufMut, BytesMut},
};
#[derive(Debug)]
pub struct Teleport {
pub room_id: i8,
pub exit_type: u8,
pub entry_type: u8,
pub x: f32, // i16
pub y: f32,
pub z: f32,
pub direction: f32,
}
impl Parsable for Teleport {
fn parse(data: Vec<u8>) -> Self {
// https://stackoverflow.com/questions/41034635/how-do-i-convert-between-string-str-vecu8-and-u8
let mut data = BytesMut::from(data.as_slice()).reader();
Self {
room_id: data.read_u16::<BigEndian>().unwrap() as i8,
exit_type: data.read_u8().unwrap(),
entry_type: data.read_u8().unwrap(),
x: f32::from(data.read_i16::<BigEndian>().unwrap()),
y: f32::from(data.read_i16::<BigEndian>().unwrap()),
z: f32::from(data.read_i16::<BigEndian>().unwrap()),
direction: f32::from(data.read_i16::<BigEndian>().unwrap()),
}
}
}
impl Creatable for Teleport {
fn create_with_short_object_id(&self, short_object_id: u8) -> Vec<u8> {
let mut command = BytesMut::new();
// Header
command.put_u8(short_object_id); // ObjId
command.put_u8(Command::Teleport as u8); // Type
// Content
command.put_i16(i16::from(self.room_id));
command.put_u8(self.exit_type);
command.put_u8(self.entry_type);
command.put_i16(self.x as i16);
command.put_i16(self.y as i16);
command.put_i16(self.z as i16);
command.put_i16(self.direction as i16);
// Length
let mut command_as_vec = command.to_vec();
command_as_vec.insert(0, command.len() as u8 + 1);
// Return bytes
command_as_vec
}
}
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