lumen_engine/node/
schema.rs

1use super::{
2    ids::NodeId,
3    ports::{InputPortDef, PortRef},
4    property::PropertyValue,
5};
6
7#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
8#[repr(u8)]
9pub enum PropertyKind {
10    Float = 0,
11    Int = 1,
12    Bool = 2,
13    String = 3,
14    Color = 4,
15    Vec2 = 5,
16    Enum = 6,
17    Paint = 7,
18}
19
20#[cfg(any(feature = "json", feature = "metadata"))]
21#[derive(Debug, Clone, Copy, PartialEq, Eq)]
22pub struct EnumOptionDef {
23    pub name: &'static str,
24    pub label: &'static str,
25    pub value: i64,
26}
27
28#[cfg(any(feature = "json", feature = "metadata"))]
29#[derive(Debug, Clone, Copy, PartialEq, Eq)]
30pub struct EnumDef {
31    pub name: &'static str,
32    pub options: &'static [EnumOptionDef],
33}
34
35#[cfg(any(feature = "json", feature = "metadata"))]
36pub trait NodeEnum {
37    fn enum_def() -> &'static EnumDef;
38}
39
40#[derive(Debug, Clone, Copy, PartialEq)]
41pub struct PropertyDef {
42    pub id: &'static str,
43    pub expected: PropertyKind,
44    #[cfg(any(feature = "json", feature = "metadata"))]
45    pub enum_def: Option<&'static EnumDef>,
46    #[cfg(feature = "metadata")]
47    pub name: &'static str,
48    #[cfg(feature = "metadata")]
49    pub description: &'static str,
50    #[cfg(feature = "metadata")]
51    pub constraints: PropertyConstraints,
52}
53
54#[cfg(feature = "metadata")]
55#[derive(Debug, Clone, Copy, Default, PartialEq)]
56pub struct PropertyConstraints {
57    pub min: Option<f64>,
58    pub max: Option<f64>,
59    pub step: Option<f64>,
60    pub format: Option<&'static str>,
61    pub multiline: bool,
62    pub recommended_rows: Option<u32>,
63    pub role: Option<&'static str>,
64}
65
66#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
67#[repr(u8)]
68pub enum NodeCategory {
69    Compositing = 0,
70    Processing = 1,
71    Source = 2,
72    Output = 3,
73    Vector = 4,
74}
75
76#[derive(Debug, Clone)]
77pub struct NodeSchemaDef {
78    pub kind: &'static str,
79    pub name: &'static str,
80    pub description: &'static str,
81    pub category: NodeCategory,
82    pub inputs: &'static [InputPortDef],
83    pub properties: Vec<PropertyDef>,
84    pub default_properties: Vec<(&'static str, PropertyValue)>,
85}
86
87#[cfg(feature = "metadata")]
88pub trait NodeSchema: Default {
89    fn schema() -> NodeSchemaDef;
90}
91
92#[cfg(feature = "json")]
93pub trait JsonNode: Default {
94    fn from_json(
95        id: NodeId,
96        params: Option<&serde_json::Map<String, serde_json::Value>>,
97    ) -> anyhow::Result<Self>
98    where
99        Self: Sized;
100
101    fn set_input_json(&mut self, port: &str, source: PortRef) -> anyhow::Result<()>;
102}
lumen_engine/node/schema.rs

lumen_engine/node/
schema.rs
