// Assets/Lighting/Scripts/PlayerPositionsToShader.Editor.cs
#if UNITY_EDITOR
using UnityEngine;

public partial class PlayerPositionsToShader
{
    public void Editor_BuildPreview(
        out Vector4[] positions,
        out Vector4[] colors,
        out Vector4[] directions,
        out float[]   types,
        out int       count)
    {
        int max = Mathf.Max(1, maxLights);

        positions  = new Vector4[max];
        colors     = new Vector4[max];
        directions = new Vector4[max];
        types      = new float[max];
        count      = 0;

        // ✅ Avoid Array.Empty<T>(); just guard the loop
        if (otherLightSources != null)
        {
            for (int i = 0; i < otherLightSources.Length && count < max; i++)
            {
                Transform t = otherLightSources[i];
                if (t == null || !t.gameObject.activeInHierarchy) continue;

                LightdataStorage data = t.GetComponent<LightdataStorage>();

                Vector3 pos     = t.position;
                float   range   = (data != null) ? data.range * t.localScale.x : t.localScale.x;
                Vector4 col     = (data != null) ? data.GetFinalColor() : new Vector4(1f, 1f, 1f, 1f);
                float   intens = (data != null) ? data.intensity * t.localScale.x : 1f;
                float   cosHalf = (data != null) ? data.GetCosHalfAngle() : 1f;
                int     typeId  = (data != null) ? data.GetTypeId() : 0;


                Quaternion rot = t.rotation;
                Vector3 fwd = rot * Vector3.down;

                positions[count]  = new Vector4(pos.x, pos.y, pos.z, range);
                colors[count]     = new Vector4(col.x, col.y, col.z, intens);
                directions[count] = new Vector4(fwd.x, fwd.y, fwd.z, data.spotAngleDeg);
                types[count]      = (float)typeId;

                count++;
            }
        }
    }
}
#endif