mittens_engine/engine/ecs/component/
data.rs

1use crate::engine::ecs::{ComponentId, World, component::Component};
2
3#[derive(Debug, Clone, PartialEq, Eq)]
4pub enum DataValue {
5    Text(String),
6    Integer(i64),
7    Bool(bool),
8    Component(ComponentId),
9}
10
11#[derive(Debug, Clone, PartialEq, Eq)]
12pub struct DataEntry {
13    pub key: String,
14    pub value: DataValue,
15}
16
17#[derive(Debug, Clone, Default, PartialEq, Eq)]
18pub struct DataComponent {
19    entries: Vec<DataEntry>,
20}
21
22impl DataComponent {
23    pub fn new() -> Self {
24        Self::default()
25    }
26
27    pub fn with_entry(mut self, key: impl Into<String>, value: DataValue) -> Self {
28        self.insert(key, value);
29        self
30    }
31
32    pub fn insert(&mut self, key: impl Into<String>, value: DataValue) {
33        let key = key.into();
34        if let Some(entry) = self.entries.iter_mut().find(|entry| entry.key == key) {
35            entry.value = value;
36            return;
37        }
38        self.entries.push(DataEntry { key, value });
39    }
40
41    pub fn get(&self, key: &str) -> Option<&DataValue> {
42        self.entries
43            .iter()
44            .find(|entry| entry.key == key)
45            .map(|entry| &entry.value)
46    }
47
48    pub fn get_component(&self, key: &str) -> Option<ComponentId> {
49        match self.get(key)? {
50            DataValue::Component(component_id) => Some(*component_id),
51            _ => None,
52        }
53    }
54
55    pub fn entries(&self) -> &[DataEntry] {
56        &self.entries
57    }
58
59    pub fn entry(&self, index: usize) -> Option<&DataEntry> {
60        self.entries.get(index)
61    }
62}
63
64impl Component for DataComponent {
65    fn set_id(&mut self, _id: ComponentId) {}
66
67    fn name(&self) -> &'static str {
68        "data"
69    }
70
71    fn as_any(&self) -> &dyn std::any::Any {
72        self
73    }
74
75    fn as_any_mut(&mut self) -> &mut dyn std::any::Any {
76        self
77    }
78
79    fn to_mms_ast(&self, _world: &World) -> crate::scripting::ast::ComponentExpression {
80        crate::engine::ecs::component::ce_helpers::ce("Data")
81    }
82}
mittens_engine/engine/ecs/component/data.rs

mittens_engine/engine/ecs/component/
data.rs
