naia_shared/world/entity/
local_entity.rs

1use naia_serde::{BitReader, BitWrite, ConstBitLength, Serde, SerdeErr, UnsignedVariableInteger};
2
3use crate::{EntityDoesNotExistError, GlobalEntity, LocalEntityAndGlobalEntityConverter};
4
5#[derive(Copy, Clone, PartialEq, Eq, Debug)]
6pub enum OwnedLocalEntity {
7    Host(u16),
8    Remote(u16),
9}
10
11impl OwnedLocalEntity {
12    fn is_host(&self) -> bool {
13        match self {
14            Self::Host(_) => true,
15            Self::Remote(_) => false,
16        }
17    }
18
19    fn value(&self) -> u16 {
20        match self {
21            Self::Host(value) => *value,
22            Self::Remote(value) => *value,
23        }
24    }
25
26    pub fn ser(&self, writer: &mut dyn BitWrite) {
27        self.is_host().ser(writer);
28        UnsignedVariableInteger::<7>::new(self.value()).ser(writer);
29    }
30
31    pub fn de(reader: &mut BitReader) -> Result<Self, SerdeErr> {
32        let is_host = bool::de(reader)?;
33        let value = UnsignedVariableInteger::<7>::de(reader)?.get();
34        match is_host {
35            true => Ok(Self::Host(value as u16)),
36            false => Ok(Self::Remote(value as u16)),
37        }
38    }
39
40    pub fn bit_length(&self) -> u32 {
41        bool::const_bit_length() + UnsignedVariableInteger::<7>::new(self.value()).bit_length()
42    }
43
44    pub(crate) fn convert_to_global(
45        &self,
46        converter: &dyn LocalEntityAndGlobalEntityConverter,
47    ) -> Result<GlobalEntity, EntityDoesNotExistError> {
48        match self {
49            OwnedLocalEntity::Host(host_entity) => {
50                converter.host_entity_to_global_entity(&HostEntity::new(*host_entity))
51            }
52            OwnedLocalEntity::Remote(remote_entity) => {
53                converter.remote_entity_to_global_entity(&RemoteEntity::new(*remote_entity))
54            }
55        }
56    }
57
58    pub(crate) fn take_remote(&self) -> RemoteEntity {
59        let OwnedLocalEntity::Remote(remote_entity) = self else {
60            panic!("Expected RemoteEntity")
61        };
62        RemoteEntity::new(*remote_entity)
63    }
64
65    pub(crate) fn to_reversed(&self) -> OwnedLocalEntity {
66        match self {
67            OwnedLocalEntity::Host(host_entity) => OwnedLocalEntity::Remote(*host_entity),
68            OwnedLocalEntity::Remote(remote_entity) => OwnedLocalEntity::Host(*remote_entity),
69        }
70    }
71}
72
73#[derive(Copy, Eq, Hash, Clone, PartialEq, Debug)]
74pub struct HostEntity(u16);
75
76impl HostEntity {
77    pub fn new(id: u16) -> Self {
78        Self(id)
79    }
80
81    pub fn value(&self) -> u16 {
82        self.0
83    }
84
85    pub fn to_remote(self) -> RemoteEntity {
86        RemoteEntity::new(self.0)
87    }
88
89    pub fn ser(&self, writer: &mut dyn BitWrite) {
90        UnsignedVariableInteger::<7>::new(self.value()).ser(writer);
91    }
92
93    pub fn bit_length(&self) -> u32 {
94        UnsignedVariableInteger::<7>::new(self.value()).bit_length()
95    }
96
97    pub fn copy_to_owned(&self) -> OwnedLocalEntity {
98        OwnedLocalEntity::Host(self.value())
99    }
100}
101
102// RemoteEntity
103#[derive(Copy, Eq, Hash, Clone, PartialEq, Debug)]
104pub struct RemoteEntity(u16);
105
106impl RemoteEntity {
107    pub fn new(id: u16) -> Self {
108        Self(id)
109    }
110
111    pub fn value(&self) -> u16 {
112        self.0
113    }
114
115    pub fn to_host(self) -> HostEntity {
116        HostEntity::new(self.0)
117    }
118
119    pub fn de(reader: &mut BitReader) -> Result<Self, SerdeErr> {
120        let value = UnsignedVariableInteger::<7>::de(reader)?.get();
121        Ok(Self(value as u16))
122    }
123
124    pub fn copy_to_owned(&self) -> OwnedLocalEntity {
125        OwnedLocalEntity::Remote(self.value())
126    }
127}
naia_shared/world/entity/local_entity.rs

naia_shared/world/entity/
local_entity.rs
