TerrainMountain.java

package rtg.world.gen.terrain;

import rtg.api.world.RTGWorld;

public class TerrainMountain extends TerrainBase {

    public TerrainMountain() {

    }

    @Override
    public float generateNoise(RTGWorld rtgWorld, int x, int y, float border, float river) {

        float h = rtgWorld.simplex.noise2(x / 300f, y / 300f) * 135f * river;
        h *= h / 32f;
        h = h > 150f ? 150f : h;

        if (h > 10f) {
            float d = (h - 10f) / 2f > 8f ? 8f : (h - 10f) / 2f;
            h += rtgWorld.simplex.noise2(x / 35f, y / 35f) * d;
            h += rtgWorld.simplex.noise2(x / 60f, y / 60f) * d * 0.5f;

            if (h > 35f) {
                float d2 = (h - 35f) / 1.5f > 30f ? 30f : (h - 35f) / 1.5f;
                h += rtgWorld.cell.noise(x / 25D, y / 25D, 1D) * d2;
            }
        }

        h += rtgWorld.simplex.noise2(x / 28f, y / 28f) * 4;
        h += rtgWorld.simplex.noise2(x / 18f, y / 18f) * 2;
        h += rtgWorld.simplex.noise2(x / 8f, y / 8f) * 2;

        return h + 67f;
    }
}