using System.Collections;
using System.Collections.Generic;
using Unity.Collections;
using Unity.Jobs;
using Unity.Mathematics;
using UnityEngine;

public struct OreGnerationJob : IJobParallelFor
{
    [ReadOnly] public int ChunkStartX;
    [ReadOnly] public int ChunkStartY;
    [ReadOnly] public int ChunkSize;
    [ReadOnly] public int Weight;
    [ReadOnly] public int ClusterWeight;
    [ReadOnly] public float OffsetX;
    [ReadOnly] public float OffsetY;
    [ReadOnly] public int MaxWidth;
    [ReadOnly] public int MaxDepth;

    public NativeArray<bool> OreMap;

    public void Execute(int index)
    {
        int x = ChunkStartX + (index % ChunkSize);
        int y = ChunkStartY - (index / ChunkSize);

        float xPerlin = ((float)x / MaxWidth) * ClusterWeight + OffsetX;
        float yPerlin = ((float)Mathf.Abs(y) / MaxDepth) * ClusterWeight + OffsetY;
        float perlinNoise = noise.snoise(new float2(xPerlin, yPerlin));

        OreMap[index] = perlinNoise <= (1f / (float)Weight);
    }
}