chunk 1: core gameplay scripts scenes runtime assets

Assets/Scripts/Minimap/MinimapBillboard.cs

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+using UnityEngine;
+
+// Attach this to your world-space icon prefabs (with SpriteRenderer, MeshRenderer, or Quad)
+// so they are visible to a top-down minimap camera looking straight down.
+[ExecuteAlways]
+public class MinimapBillboard : MonoBehaviour
+{
+    [Tooltip("Optional: Assign the minimap camera. If not set, will try to find the camera with MinimapManager.")]
+    public Camera minimapCamera;
+
+    [Tooltip("If true, the icon rotates with the camera/player yaw; otherwise it always points up.")]
+    public bool rotateWithYaw = false;
+
+    private Camera _cached;
+
+    void LateUpdate()
+    {
+        var cam = ResolveCamera();
+        if (cam == null) return;
+
+        // Make the icon face upward (lie on XZ plane). Optionally align yaw with camera.
+        float yaw = rotateWithYaw ? cam.transform.eulerAngles.y : 0f;
+        transform.rotation = Quaternion.Euler(90f, yaw, 0f);
+    }
+
+    private Camera ResolveCamera()
+    {
+        if (minimapCamera != null) return minimapCamera;
+        if (_cached != null) return _cached;
+
+    MinimapManager mm;
+#if UNITY_2023_1_OR_NEWER
+    mm = Object.FindFirstObjectByType<MinimapManager>();
+#else
+    mm = Object.FindObjectOfType<MinimapManager>();
+#endif
+        if (mm != null) _cached = mm.GetComponent<Camera>();
+        if (_cached == null) _cached = Camera.main;
+        return _cached;
+    }
+}