using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class BiomeMaster : MonoBehaviour
{
    public List<BiomeParameter> parameters;

    [Header("Debug")]
    public bool updateDebug;

    public int debugSize = 500;

    public float debugFrequency = 0.1f;

    #region On Validate
    private void OnValidate()
    {
        if (updateDebug)
        {
            updateDebug = false;

            for (int i = -debugSize; i < debugSize; i++)
            {
                for (int j = -debugSize; j < debugSize; j++)
                {
                    float x = i * debugFrequency;
                    float y = j * debugFrequency;
                    float h = 0;
                    Color colorBlend = new();
                    
                    foreach (var parameter in parameters)
                    {
                        foreach (var octave in parameter.map)
                        {
                            float strength = octave.Calculate(new(x, y));
                            h += strength;

                            if (octave.amplitude > 0)
                                colorBlend += parameter.debugColor * (strength / octave.amplitude)
                                    / parameters.Count;
                        }
                    }

                    colorBlend.a = 1;

                    Vector3 start = new(x, 0, y);
                    Vector3 end = new(x, h, y);
                    Debug.DrawLine(start, end, colorBlend, 10);
                }
            }
        }
    }
    #endregion
}