wolfrpg_map_parser/command/picture_command/
erase.rs

1pub mod state;
2pub mod delay_reset;
3pub mod base;
4pub mod delay;
5pub mod range;
6
7#[cfg(feature = "serde")]
8use serde::{Serialize, Deserialize};
9use crate::byte_utils::as_u32_le;
10use crate::command::picture_command::display_operation::DisplayOperation;
11use crate::command::picture_command::erase::state::State;
12use crate::command::picture_command::options::Options;
13
14#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
15#[derive(PartialEq, Clone)]
16pub struct Erase {
17    options: Options,
18    picture: u32,
19    state: State,
20}
21
22impl Erase {
23    fn parse(bytes: &[u8], parse_state: fn(&[u8], &Options) -> (usize, State)) -> (usize, Self) {
24        let mut offset: usize = 0;
25
26        let options: u32 = as_u32_le(&bytes[offset..offset + 4]);
27        let options: Options = Options::new(options);
28        offset += 4;
29
30        let picture: u32 = as_u32_le(&bytes[offset..offset + 4]);
31        offset += 4;
32
33        let (bytes_read, state): (usize, State) = parse_state(&bytes[offset..], &options);
34        offset += bytes_read;
35
36        offset += 3; // Command end signature
37
38        (offset, Self {
39            options,
40            picture,
41            state
42        })
43    }
44
45    pub(crate) fn parse_delay_reset(bytes: &[u8]) -> (usize, Self) {
46        let parse_state = |bytes: &[u8], _: &Options| -> (usize, State) {
47            State::parse_delay_reset(bytes, false)
48        };
49
50        Self::parse(bytes, parse_state)
51    }
52
53    pub(crate) fn parse_base(bytes: &[u8]) -> (usize, Self) {
54        let parse_state = |bytes: &[u8], options: &Options| -> (usize, State) {
55            match *options.display_operation() {
56                DisplayOperation::DelayReset => State::parse_delay_reset(bytes, true),
57                DisplayOperation::Erase => State::parse_base(bytes),
58                _ => unreachable!()
59            }
60        };
61
62        Self::parse(bytes, parse_state)
63    }
64
65    pub(crate) fn parse_delay(bytes: &[u8]) -> (usize, Self) {
66        Self::parse(bytes, |bytes: &[u8], _| State::parse_delay(bytes))
67    }
68
69    pub(crate) fn parse_range(bytes: &[u8]) -> (usize, Self) {
70        Self::parse(bytes, |bytes, _| State::parse_range(bytes))
71    }
72
73    pub fn options(&self) -> &Options {
74        &self.options
75    }
76
77    pub fn options_mut(&mut self) -> &mut Options {
78        &mut self.options
79    }
80
81    pub fn picture(&self) -> u32 {
82        self.picture
83    }
84
85    pub fn picture_mut(&mut self) -> &mut u32 {
86        &mut self.picture
87    }
88
89    pub fn state(&self) -> &State {
90        &self.state
91    }
92
93    pub fn state_mut(&mut self) -> &mut State {
94        &mut self.state
95    }
96}
wolfrpg_map_parser/command/picture_command/erase.rs

wolfrpg_map_parser/command/picture_command/
erase.rs
