bevy_brp_mcp 0.22.2

MCP server for Bevy Remote Protocol (BRP) integration
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use std::collections::HashMap;

use bevy_brp_mcp_macros::ParamStruct;
use schemars::JsonSchema;
use serde::Deserialize;
use serde::Serialize;

use super::instance_count::InstanceCount;
use super::launch::LaunchParams;
use crate::brp_tools::Port;

/// Search order for target resolution: "app" searches apps first (default), "example" searches
/// examples first
#[derive(Clone, Debug, Default, Deserialize, Serialize, JsonSchema)]
#[serde(rename_all = "lowercase")]
pub enum SearchOrder {
    /// Search apps first, then examples
    #[default]
    App,
    /// Search examples first, then apps
    Example,
}

/// Shared parameters for launching Bevy binaries (apps or examples)
#[derive(Clone, Deserialize, Serialize, JsonSchema, ParamStruct)]
pub struct LaunchBevyBinaryParams {
    /// Name of the Bevy target to launch (app or example)
    #[serde(rename = "target_name")]
    pub target:         String,
    /// Build profile to use (debug or release)
    #[to_metadata(skip_if_none)]
    pub profile:        Option<String>,
    /// Optional OS-level path to use as the search root. Overrides the default MCP workspace
    /// roots.
    #[serde(default)]
    #[to_metadata(skip_if_none)]
    pub path:           Option<String>,
    /// Package name to filter when multiple targets with the same name exist
    #[serde(default)]
    #[serde(rename = "package_name")]
    #[to_metadata(skip_if_none)]
    pub package:        Option<String>,
    /// The BRP port (default: 15702)
    #[serde(default)]
    pub port:           Port,
    /// Number of instances to launch (default: 1)
    #[serde(default)]
    pub instance_count: InstanceCount,
    /// Optional environment variables to set on the launched process
    #[serde(default)]
    #[to_metadata(skip_if_none)]
    pub env:            Option<HashMap<String, String>>,
    /// Search order: "app" searches apps first (default), "example" searches examples first
    #[serde(default)]
    pub search_order:   SearchOrder,
    /// Optional command-line arguments to pass to the launched process
    #[serde(default)]
    #[to_metadata(skip_if_none)]
    pub args:           Option<Vec<String>>,
}

impl LaunchBevyBinaryParams {
    /// Convert to `LaunchParams` with the given default profile
    pub fn to_launch_params(&self, default_profile: &str) -> LaunchParams {
        LaunchParams {
            target:         self.target.clone(),
            profile:        self
                .profile
                .clone()
                .unwrap_or_else(|| default_profile.to_string()),
            path:           self.path.clone(),
            package:        self.package.clone(),
            port:           self.port,
            instance_count: self.instance_count,
            env:            self.env.clone(),
            search_order:   self.search_order.clone(),
            args:           self.args.clone(),
        }
    }
}