openstranded_common_wasmcontract/
contributions.rs

1/// Declarative interface from WASM plugin to Host.
2///
3/// A WASM plugin's `plugin_build()` returns a list of `Contribution`s
4/// describing what the plugin wants to add to the Bevy App. The Host
5/// applies these contributions after collecting them from all plugins.
6///
7/// The plugin never receives `&mut App` directly.
8#[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
9pub enum Contribution {
10    /// Add a system to a Bevy schedule.
11    System(SystemDecl),
12
13    /// Add a resource with a default value.
14    Resource(ResourceDecl),
15
16    /// Add a known Bevy Plugin (referenced by name).
17    Plugin(String),
18
19    /// Reserve a service domain (prevents conflicts).
20    ServiceDomain(String),
21}
22
23/// Describes a system to be added to a Bevy schedule.
24///
25/// The actual system function lives in the WASM plugin and is called
26/// through the host bridge at runtime.
27#[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
28pub struct SystemDecl {
29    /// Schedule label (e.g. "Update", "`FixedUpdate`", "Startup").
30    pub schedule: String,
31    /// Human-readable system name for logging / debugging.
32    pub name: String,
33}
34
35/// Describes a resource to be registered in the Bevy World.
36#[derive(Clone, Debug, serde::Serialize, serde::Deserialize)]
37pub struct ResourceDecl {
38    /// Type name for dynamic registration (`TypeId` is unstable across WASM).
39    pub type_name: String,
40    /// Serialised default value (bincode / postcard).
41    pub default_value: Vec<u8>,
42}
openstranded_common_wasmcontract/contributions.rs

openstranded_common_wasmcontract/
contributions.rs
