naia-shared 0.24.0

Common functionality shared between naia-server & naia-client crates
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133

use naia_serde::SerdeInternal;

use crate::HostType;

#[derive(SerdeInternal, Clone, Copy, Debug, PartialEq, Eq, Hash)]
pub enum EntityAuthStatus {
    // as far as we know, no authority over entity has been granted
    Available,
    // host has requested authority, but it has not yet been granted
    Requested,
    // host has been granted authority over entity
    Granted,
    // host has released authority, but it has not yet completed
    Releasing,
    // host has been denied authority over entity (another host has claimed it)
    Denied,
}

impl EntityAuthStatus {
    pub fn is_available(&self) -> bool {
        matches!(self, EntityAuthStatus::Available)
    }

    pub fn is_requested(&self) -> bool {
        matches!(self, EntityAuthStatus::Requested)
    }

    pub fn is_granted(&self) -> bool {
        matches!(self, EntityAuthStatus::Granted)
    }

    pub fn is_denied(&self) -> bool {
        matches!(self, EntityAuthStatus::Denied)
    }

    pub fn is_releasing(&self) -> bool {
        matches!(self, EntityAuthStatus::Releasing)
    }
}

#[derive(Debug)]
pub struct HostEntityAuthStatus {
    host_type: HostType,
    auth_status: EntityAuthStatus,
}

impl HostEntityAuthStatus {
    pub fn new(host_type: HostType, auth_status: EntityAuthStatus) -> Self {
        Self {
            host_type,
            auth_status,
        }
    }

    pub fn can_request(&self) -> bool {
        match (self.host_type, self.auth_status) {
            (HostType::Client, EntityAuthStatus::Available) => true,
            (HostType::Client, EntityAuthStatus::Requested) => false,
            (HostType::Client, EntityAuthStatus::Granted) => false,
            (HostType::Client, EntityAuthStatus::Releasing) => false,
            (HostType::Client, EntityAuthStatus::Denied) => false,
            (HostType::Server, EntityAuthStatus::Available) => todo!(),
            (HostType::Server, EntityAuthStatus::Requested) => todo!(),
            (HostType::Server, EntityAuthStatus::Granted) => todo!(),
            (HostType::Server, EntityAuthStatus::Releasing) => todo!(),
            (HostType::Server, EntityAuthStatus::Denied) => todo!(),
        }
    }

    pub fn can_release(&self) -> bool {
        match (self.host_type, self.auth_status) {
            (HostType::Client, EntityAuthStatus::Available) => false,
            (HostType::Client, EntityAuthStatus::Requested) => true,
            (HostType::Client, EntityAuthStatus::Granted) => true,
            (HostType::Client, EntityAuthStatus::Releasing) => false,
            (HostType::Client, EntityAuthStatus::Denied) => false,
            (HostType::Server, EntityAuthStatus::Available) => todo!(),
            (HostType::Server, EntityAuthStatus::Requested) => todo!(),
            (HostType::Server, EntityAuthStatus::Granted) => todo!(),
            (HostType::Server, EntityAuthStatus::Releasing) => todo!(),
            (HostType::Server, EntityAuthStatus::Denied) => todo!(),
        }
    }

    pub fn can_mutate(&self) -> bool {
        match (self.host_type, self.auth_status) {
            (HostType::Client, EntityAuthStatus::Available) => false,
            (HostType::Client, EntityAuthStatus::Requested) => true,
            (HostType::Client, EntityAuthStatus::Granted) => true,
            (HostType::Client, EntityAuthStatus::Releasing) => false,
            (HostType::Client, EntityAuthStatus::Denied) => false,
            (HostType::Server, EntityAuthStatus::Available) => true,
            (HostType::Server, EntityAuthStatus::Requested) => true,
            (HostType::Server, EntityAuthStatus::Granted) => true,
            (HostType::Server, EntityAuthStatus::Releasing) => true,
            (HostType::Server, EntityAuthStatus::Denied) => true,
        }
    }

    pub fn can_read(&self) -> bool {
        match (self.host_type, self.auth_status) {
            (HostType::Client, EntityAuthStatus::Available) => true,
            (HostType::Client, EntityAuthStatus::Requested) => false,
            (HostType::Client, EntityAuthStatus::Granted) => false,
            (HostType::Client, EntityAuthStatus::Releasing) => true,
            (HostType::Client, EntityAuthStatus::Denied) => true,
            (HostType::Server, EntityAuthStatus::Available) => true,
            (HostType::Server, EntityAuthStatus::Requested) => true,
            (HostType::Server, EntityAuthStatus::Granted) => true,
            (HostType::Server, EntityAuthStatus::Releasing) => true,
            (HostType::Server, EntityAuthStatus::Denied) => true,
        }
    }

    pub fn can_write(&self) -> bool {
        match (self.host_type, self.auth_status) {
            (HostType::Client, EntityAuthStatus::Available) => false,
            (HostType::Client, EntityAuthStatus::Requested) => false,
            (HostType::Client, EntityAuthStatus::Granted) => true,
            (HostType::Client, EntityAuthStatus::Releasing) => true,
            (HostType::Client, EntityAuthStatus::Denied) => false,
            (HostType::Server, EntityAuthStatus::Available) => true,
            (HostType::Server, EntityAuthStatus::Requested) => true,
            (HostType::Server, EntityAuthStatus::Granted) => true,
            (HostType::Server, EntityAuthStatus::Releasing) => true,
            (HostType::Server, EntityAuthStatus::Denied) => true,
        }
    }

    pub fn status(&self) -> EntityAuthStatus {
        self.auth_status
    }
}