Added GameManager.kt

src/main/kotlin/club/mcscrims/speedhg/game/GameManager.kt

@@ -0,0 +1,35 @@
+package club.mcscrims.speedhg.game
+
+import org.bukkit.plugin.java.JavaPlugin
+
+class GameManager(private val plugin: JavaPlugin) {
+
+    private var currentState: GameState? = null
+
+    fun transitionTo(nextState: GameState) {
+        val previousState = currentState
+
+        try {
+            currentState?.onExit(nextState)
+        } catch (e: Exception) {
+            plugin.logger.severe("Error during onExit for state ${currentState?.name}: ${e.message}")
+            e.printStackTrace()
+        }
+
+        currentState = nextState
+
+        try {
+            nextState.onEnter(previousState)
+        } catch (e: Exception) {
+            plugin.logger.severe("Error during onEnter for state ${nextState.name}: ${e.message}")
+            e.printStackTrace()
+        }
+    }
+
+    fun getCurrentState(): GameState? = currentState
+
+    fun shutdown() {
+        currentState?.onExit(null)
+        currentState = null
+    }
+}