clay_core/map/
chain.rs

1use std::collections::HashSet;
2use crate::{prelude::*, map::{Map, MapClass}};
3
4/// Subsequently chains two mappins together.
5pub struct Chain<F: Map, S: Map> {
6    pub first: F,
7    pub second: S,
8}
9
10impl<F: Map, S: Map> Chain<F, S> {
11    pub fn new(first: F, second: S) -> Self {
12        Self { first, second }
13    }
14}
15
16impl<F: Map, S: Map> Map for Chain<F, S> {}
17
18impl<F: Map, S: Map> Instance<MapClass> for Chain<F, S> {
19    fn source(cache: &mut HashSet<u64>) -> String {
20        if !cache.insert(Self::type_hash()) {
21            return String::new()
22        }
23        [
24            F::source(cache),
25            S::source(cache),
26            "#include <clay_core/map/chain.h>".to_string(),
27            format!(
28                "MAP_CHAIN({}, {}, {}, {}, {})",
29                Self::inst_name(),
30                F::inst_name(),
31                S::inst_name(),
32                F::size_int(),
33                F::size_float(),
34            ),
35        ].join("\n")
36    }
37    fn inst_name() -> String {
38        format!(
39            "__{}_{}_{:x}",
40            F::inst_name(),
41            S::inst_name(),
42            Self::type_hash(),
43        )
44    }
45}
46
47impl<F: Map, S: Map> Pack for Chain<F, S> {
48    fn size_int() -> usize {
49        F::size_int() + S::size_int()
50    }
51    fn size_float() -> usize {
52        F::size_float() + S::size_float()
53    }
54    fn pack_to(&self, buffer_int: &mut [i32], buffer_float: &mut [f32]) {
55        Packer::new(buffer_int, buffer_float)
56        .pack(&self.first)
57        .pack(&self.second);
58    }
59}
clay_core/map/chain.rs

clay_core/map/
chain.rs
