Fixed loader version detection, config issues and added icon

Author: THCFree

src/main/kotlin/com/lambda/loader/LoaderVersionController.kt

@@ -37,30 +37,41 @@ class LoaderVersionController(
     override fun getReleaseMode(): ReleaseMode = ConfigManager.config.loaderReleaseMode
 
     /**
-     * Get the current loader version from the manifest or build properties.
+     * Get the current loader version from the Fabric mod metadata.
      * This can be used to check if an update is available.
      */
     fun getCurrentLoaderVersion(): String? {
         return try {
-            // Try to read version from package implementation version
+            // Try to read from Fabric mod container
+            val fabricLoader = net.fabricmc.loader.api.FabricLoader.getInstance()
+            val loaderMod = fabricLoader.getModContainer("lambda-loader")
+
+            if (loaderMod.isPresent) {
+                val version = loaderMod.get().metadata.version.friendlyString
+                if (com.lambda.loader.config.ConfigManager.config.debug) {
+                    logger.info("Current loader version: $version")
+                }
+                return version
+            }
+
+            // Fallback: try package implementation version
             val version = this::class.java.`package`?.implementationVersion
             if (version != null) {
-                logger.info("Current loader version: $version")
+                if (ConfigManager.config.debug) {
+                    logger.info("Current loader version (from package): $version")
+                }
                 return version
             }
 
-            // Alternative: read from a properties file
-            val props = this::class.java.classLoader.getResourceAsStream("loader.properties")
-            if (props != null) {
-                val properties = java.util.Properties()
-                properties.load(props)
-                return properties.getProperty("version")
+            if (ConfigManager.config.debug) {
+                logger.warning("Could not determine current loader version")
             }
-
-            logger.warning("Could not determine current loader version")
             null
         } catch (e: Exception) {
-            logger.warning("Error reading loader version: ${e.message}")
+            if (ConfigManager.config.debug) {
+                logger.warning("Error reading loader version: ${e.message}")
+                e.printStackTrace()
+            }
             null
         }
     }

src/main/kotlin/com/lambda/loader/config/ConfigManager.kt

@@ -14,8 +14,27 @@ object ConfigManager {
 
     private fun loadConfig(): Config {
         return if (configFile.exists()) {
-            val json = configFile.readText()
-            gson.fromJson(json, Config::class.java)
+            try {
+                val json = configFile.readText()
+                val loadedConfig = gson.fromJson(json, Config::class.java)
+
+                // Merge with defaults to handle new fields
+                val defaultConfig = Config()
+                val mergedConfig = Config(
+                    clientReleaseMode = loadedConfig?.clientReleaseMode ?: defaultConfig.clientReleaseMode,
+                    loaderReleaseMode = loadedConfig?.loaderReleaseMode ?: defaultConfig.loaderReleaseMode,
+                    debug = loadedConfig?.debug ?: defaultConfig.debug
+                )
+
+                // Save merged config to add any new fields
+                saveConfig(mergedConfig)
+                mergedConfig
+            } catch (e: Exception) {
+                // If parsing fails, use defaults
+                val defaultConfig = Config()
+                saveConfig(defaultConfig)
+                defaultConfig
+            }
         } else {
             val defaultConfig = Config()
             saveConfig(defaultConfig)

src/main/resources/assets/lambda-loader/textures/lambda.png

@@ -9,7 +9,7 @@
   "contact": {},
 
   "license": "GPL-3.0",
-  "icon": "assets/lambda-loader/icon.png",
+  "icon": "assets/lambda-loader/textures/lambda.png",
 
   "environment": "client",
   "entrypoints": {