Implement Fort Fight minigame (#75)

Co-authored-by: Michal Pikulski <michal.a.pikulski@gmail.com>
Reviewed-on: #75

Assets/Scripts/Minigames/FortFight/UI/AmmunitionPanel.cs

@@ -0,0 +1,157 @@
+using Core;
+using Core.Lifecycle;
+using Minigames.FortFight.Core;
+using Minigames.FortFight.Data;
+using UnityEngine;
+
+namespace Minigames.FortFight.UI
+{
+    /// <summary>
+    /// Manages ammunition UI panel for a specific player.
+    /// Shows/hides based on turn state and initializes buttons with player context.
+    /// </summary>
+    public class AmmunitionPanel : ManagedBehaviour
+    {
+        #region Inspector References
+        
+        [Header("Player Configuration")]
+        [Tooltip("Which player this panel belongs to (0 = Player 1, 1 = Player 2)")]
+        [SerializeField] private int playerIndex = 0;
+        
+        [Header("References")]
+        [Tooltip("This player's slingshot controller")]
+        [SerializeField] private SlingshotController slingshotController;
+        
+        // Note: AmmunitionManager and TurnManager accessed via singletons
+        
+        [Header("UI")]
+        [Tooltip("Array of ammo buttons in this panel")]
+        [SerializeField] private AmmoButton[] ammoButtons;
+        
+        [Tooltip("Root GameObject to show/hide entire panel")]
+        [SerializeField] private GameObject panelRoot;
+        
+        #endregion
+        
+        #region Initialization
+        
+        internal override void OnManagedAwake()
+        {
+            base.OnManagedAwake();
+            
+            // Validate references
+            if (slingshotController == null)
+            {
+                Logging.Error($"[AmmunitionPanel] Player {playerIndex}: Slingshot controller not assigned!");
+            }
+            
+            if (ammoButtons == null || ammoButtons.Length == 0)
+            {
+                Logging.Warning($"[AmmunitionPanel] Player {playerIndex}: No ammo buttons assigned!");
+            }
+            
+            // Use assigned panelRoot or fall back to this GameObject
+            if (panelRoot == null)
+            {
+                panelRoot = gameObject;
+            }
+        }
+        
+        internal override void OnManagedStart()
+        {
+            base.OnManagedStart();
+            
+            // Initialize ammo buttons with player context
+            InitializeButtons();
+            
+            // Subscribe to turn events via singleton
+            if (TurnManager.Instance != null)
+            {
+                TurnManager.Instance.OnTurnStarted += HandleTurnStarted;
+            }
+            
+            // Start hidden
+            SetPanelVisibility(false);
+        }
+        
+        internal override void OnManagedDestroy()
+        {
+            base.OnManagedDestroy();
+            
+            // Unsubscribe from events
+            if (TurnManager.Instance != null)
+            {
+                TurnManager.Instance.OnTurnStarted -= HandleTurnStarted;
+            }
+        }
+        
+        /// <summary>
+        /// Initialize all ammo buttons with player-specific configuration
+        /// </summary>
+        private void InitializeButtons()
+        {
+            if (AmmunitionManager.Instance == null || slingshotController == null || ammoButtons == null)
+            {
+                return;
+            }
+            
+            // Get available projectile types from settings
+            var availableTypes = AmmunitionManager.Instance.GetAvailableProjectileTypes();
+            var settings = GameManager.GetSettingsObject<AppleHills.Core.Settings.IFortFightSettings>();
+            
+            if (settings == null)
+            {
+                Logging.Error($"[AmmunitionPanel] Player {playerIndex}: Could not get FortFightSettings!");
+                return;
+            }
+            
+            for (int i = 0; i < ammoButtons.Length && i < availableTypes.Count; i++)
+            {
+                if (ammoButtons[i] != null)
+                {
+                    var config = settings.GetProjectileConfig(availableTypes[i]);
+                    if (config != null)
+                    {
+                        ammoButtons[i].Initialize(config, AmmunitionManager.Instance, slingshotController, playerIndex);
+                        Logging.Debug($"[AmmunitionPanel] Player {playerIndex}: Initialized button for {config.displayName}");
+                    }
+                }
+            }
+        }
+        
+        #endregion
+        
+        #region Turn Events
+        
+        /// <summary>
+        /// Called when any player's turn starts - show/hide panel accordingly
+        /// </summary>
+        private void HandleTurnStarted(PlayerData player, TurnState turnState)
+        {
+            // Only show panel when it's this player's turn (not during transitions)
+            bool shouldShow = player.PlayerIndex == playerIndex && 
+                             (turnState == TurnState.PlayerOneTurn || turnState == TurnState.PlayerTwoTurn);
+            
+            SetPanelVisibility(shouldShow);
+            
+            if (shouldShow)
+            {
+                Logging.Debug($"[AmmunitionPanel] Showing panel for Player {playerIndex}");
+            }
+        }
+        
+        /// <summary>
+        /// Show or hide the entire panel
+        /// </summary>
+        private void SetPanelVisibility(bool visible)
+        {
+            if (panelRoot != null)
+            {
+                panelRoot.SetActive(visible);
+            }
+        }
+        
+        #endregion
+    }
+}
+