cirnogodot/Scripts/Components/FSM/Enemy/EnemyDropsProvider.cs

using Cirno.Scripts.Resources;
using Godot;

namespace Cirno.Scripts.Components.FSM.Enemy;

public partial class EnemyDropsProvider : Node2D
{
    private RandomNumberGenerator _rng = new();

    [Export] public float DropRadius { get; private set; } = 8f;
    
    [Export]
    public EnemyStorageModule StorageModule { get; private set; } 
    
    public void DropLoot()
    {
        foreach (var loot in StorageModule.LootDrops)
        {
            if (loot is { Item: not null })
            {
                float roll = _rng.RandfRange(0f, 100f); // Generate a number between 0 and 100
                if (roll <= loot.Chance) // Compare with drop chance
                {
                    DropItem(loot.Item);
                }
            }
        }
    }
    
    private void DropItem(LootItem item)
    {
        if (!string.IsNullOrWhiteSpace(item.DropScenePath))
        {
            GD.Print($"Dropped item: {item.ItemName}");
            var scene = GD.Load<PackedScene>(item.DropScenePath);
            var droppedItem = StorageModule.Root.CreateSibling<Node2D>(scene);
            
            // Generate random point within DropRadius
            float angle = _rng.RandfRange(0, Mathf.Tau); // Random angle (0 to 2π)
            float radius = _rng.RandfRange(0, DropRadius); // Random radius within range
                
            // Convert polar to cartesian coordinates
            float xOffset = radius * Mathf.Cos(angle);
            float yOffset = radius * Mathf.Sin(angle);
                
            Vector2 spawnPosition = StorageModule.Root.GlobalPosition + new Vector2(xOffset, yOffset);

            droppedItem.GlobalPosition = spawnPosition;
        }
        else
        {
            GD.Print($"Skipping Item with missing path: {item.ItemName}");
        }
    }
}