Adding Text Mesh Pro, new enemies, new enemy waves, new HUD functionality, New animators, a retry function, and floating text for gold earned and lives lost.

Assets/_Project/Scripts/UI/FloatingTextSpawner.cs

@@ -0,0 +1,107 @@
+// Assets/_Project/Scripts/UI/FloatingTextSpawner.cs
+using UnityEngine;
+
+namespace TD.UI
+{
+    /// <summary>
+    /// Scene singleton that spawns <see cref="FloatingText"/> instances above
+    /// world positions for gold-reward and life-loss feedback.
+    /// </summary>
+    /// <remarks>
+    /// <b>Why a singleton:</b> the spawner is shared by every caller (kills, leaks,
+    /// future status pop-ups) and holds inspector-tunable colors and a prefab
+    /// reference. Plain <c>MonoBehaviour</c> — visual-only, no networking required.
+    ///
+    /// <b>Who calls this:</b> <see cref="TD.Gameplay.WaveManager"/> invokes
+    /// <see cref="SpawnGoldReward"/> and <see cref="SpawnLifeLoss"/> via ClientRpc
+    /// so every peer shows the popup locally.
+    ///
+    /// <b>Inspector setup:</b> drop this on any scene GameObject (e.g. a
+    /// <c>FloatingTextSpawner</c> empty), assign the floating-text prefab, tune
+    /// colors to match the HUD.
+    /// </remarks>
+    public class FloatingTextSpawner : MonoBehaviour
+    {
+        // ----- Singleton --------------------------------------------------
+
+        public static FloatingTextSpawner Instance { get; private set; }
+
+        // ----- Inspector --------------------------------------------------
+
+        [Tooltip("Prefab to instantiate for each pop-up. Must have a FloatingText " +
+                 "component and a TextMeshPro renderer.")]
+        [SerializeField] private FloatingText prefab;
+
+        [Tooltip("Color used for kill-reward gold pop-ups. Tune to match the HUD's " +
+                 "gold label color.")]
+        [SerializeField] private Color goldColor = new Color(1f, 0.84f, 0.2f);
+
+        [Tooltip("Color used for life-loss pop-ups (enemies reaching the goal).")]
+        [SerializeField] private Color livesColor = new Color(0.95f, 0.25f, 0.25f);
+
+        [Tooltip("Default vertical offset above the source position. Tunes how high " +
+                 "above the enemy the text starts.")]
+        [SerializeField] private float verticalOffset = 2.0f;
+
+        [Tooltip("Maximum random horizontal jitter applied to the spawn position so " +
+                 "consecutive pop-ups don't stack visually.")]
+        [SerializeField] private float positionJitter = 0.4f;
+
+        [Tooltip("Maximum random vertical jitter applied on top of verticalOffset.")]
+        [SerializeField] private float verticalJitter = 0.2f;
+
+        // ----- Lifecycle --------------------------------------------------
+
+        private void Awake()
+        {
+            if (Instance != null && Instance != this)
+            {
+                Debug.LogWarning("[FloatingTextSpawner] Duplicate instance detected. " +
+                                 "Only one should exist per scene.");
+                return;
+            }
+            Instance = this;
+        }
+
+        private void OnDestroy()
+        {
+            if (Instance == this) Instance = null;
+        }
+
+        // ----- Public API -------------------------------------------------
+
+        /// <summary>Spawns a gold-reward popup (e.g. "+10") at the given world position.</summary>
+        public void SpawnGoldReward(Vector3 worldPos, int amount)
+            => SpawnInternal(worldPos, $"+{amount}", goldColor);
+
+        /// <summary>Spawns a life-loss popup (e.g. "-1") at the given world position.</summary>
+        public void SpawnLifeLoss(Vector3 worldPos, int amount)
+            => SpawnInternal(worldPos, $"-{amount}", livesColor);
+
+        /// <summary>Lower-level overload: arbitrary content and color.</summary>
+        public void SpawnCustom(Vector3 worldPos, string text, Color color)
+            => SpawnInternal(worldPos, text, color);
+
+        // ----- Internal ---------------------------------------------------
+
+        private void SpawnInternal(Vector3 worldPos, string text, Color color)
+        {
+            if (prefab == null)
+            {
+                Debug.LogWarning("[FloatingTextSpawner] No prefab assigned. " +
+                                 "Pop-up will not be shown.");
+                return;
+            }
+
+            Vector3 jitter = new Vector3(
+                Random.Range(-positionJitter, positionJitter),
+                Random.Range(0f, verticalJitter),
+                Random.Range(-positionJitter, positionJitter));
+
+            Vector3 spawnPos = worldPos + Vector3.up * verticalOffset + jitter;
+
+            var instance = Instantiate(prefab, spawnPos, Quaternion.identity);
+            instance.Init(text, color);
+        }
+    }
+}