feat: add backend for template launching

src-tauri/Cargo.lock

@@ -1291,6 +1291,7 @@ dependencies = [
  "deranged",
  "directories",
  "droplet-rs",
+ "dynfmt",
  "gethostname 1.0.1",
  "hex 0.4.3",
  "http 1.2.0",
@@ -1370,6 +1371,20 @@ version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d6ef0072f8a535281e4876be788938b528e9a1d43900b82c2569af7da799125"
 
+[[package]]
+name = "dynfmt"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1c298552016db86f0d49e5de09818dd86c536f66095013cc415f4f85744033f"
+dependencies = [
+ "erased-serde 0.3.31",
+ "lazy_static",
+ "regex",
+ "serde",
+ "serde_json",
+ "thiserror 1.0.69",
+]
+
 [[package]]
 name = "either"
 version = "1.13.0"
@@ -1438,6 +1453,15 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
+[[package]]
+name = "erased-serde"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c138974f9d5e7fe373eb04df7cae98833802ae4b11c24ac7039a21d5af4b26c"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "erased-serde"
 version = "0.4.5"
@@ -4561,7 +4585,7 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2676ba99bd82f75cae5cbd2c8eda6fa0b8760f18978ea840e980dd5567b5c5b6"
 dependencies = [
- "erased-serde",
+ "erased-serde 0.4.5",
  "serde",
  "typeid",
 ]

src-tauri/Cargo.toml

@@ -59,6 +59,10 @@ deranged = "=0.4.0"
 droplet-rs = "0.7.3"
 gethostname = "1.0.1"
 
+[dependencies.dynfmt]
+version = "0.1.5"
+features = ["curly"]
+
 [dependencies.tauri]
 version = "2.1.1"
 features = ["tray-icon"]

src-tauri/src/database/db.rs

@@ -54,6 +54,10 @@ pub enum ApplicationTransientStatus {
     Running {},
 }
 
+fn default_template() -> String {
+    "{}".to_owned()
+}
+
 #[derive(Serialize, Deserialize, Clone, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct GameVersion {
@@ -64,9 +68,14 @@ pub struct GameVersion {
 
     pub launch_command: String,
     pub launch_args: Vec<String>,
+    #[serde(default = "default_template")]
+    pub launch_command_template: String,
 
     pub setup_command: String,
     pub setup_args: Vec<String>,
+    #[serde(default = "default_template")]
+    pub setup_command_template: String,
+
 
     pub only_setup: bool,
 

src-tauri/src/error/process_error.rs

@@ -11,6 +11,7 @@ pub enum ProcessError {
     InvalidID,
     InvalidVersion,
     IOError(Error),
+    FormatError(String), // String errors supremacy
     InvalidPlatform,
 }
 
@@ -25,6 +26,7 @@ impl Display for ProcessError {
             ProcessError::InvalidVersion => "Invalid Game version",
             ProcessError::IOError(error) => &error.to_string(),
             ProcessError::InvalidPlatform => "This Game cannot be played on the current platform",
+            ProcessError::FormatError(e) => &format!("Failed to format template: {}", e),
         };
         write!(f, "{}", s)
     }

src-tauri/src/process/process_manager.rs

@@ -9,6 +9,8 @@ use std::{
     thread::spawn,
 };
 
+use dynfmt::Format;
+use dynfmt::SimpleCurlyFormat;
 use log::{debug, info, warn};
 use serde::{Deserialize, Serialize};
 use shared_child::SharedChild;
@@ -259,6 +261,11 @@ impl ProcessManager<'_> {
             install_dir,
         );
 
+        let launch_string = SimpleCurlyFormat
+            .format(&game_version.launch_command_template, &[launch_string])
+            .map_err(|e| ProcessError::FormatError(e.to_string()))?
+            .to_string();
+
         info!("launching process {} in {}", launch_string, install_dir);
 
         #[cfg(target_os = "windows")]