using UnityEngine;

namespace LandmassGeneration {
    public class MapGenerator : MonoBehaviour {

        public int width;
        public int height;
        public float noiseScale;

        public int octaves;
        [Range(0, 1)] public float persistance;
        public float lacunarity;

        public int seed;
        public Vector2 offset;

        public bool autoUpdate;

        public void GenerateMap() {
            var noiseMap = Noise.GenerateNoiseMap(width, height, seed, noiseScale, octaves, persistance, lacunarity, offset);

            var display = FindObjectOfType<MapDisplay>();
            display.DrawNoiseMap(noiseMap);
        }

        private void OnValidate() {
            if (width < 1) width = 1;
            if (height < 1) height = 1;

            if (lacunarity < 1) lacunarity = 1;
            if (octaves < 0) octaves = 0;
        }
    }
}