#include "stdafx.h"
#include "RiverInitLayer.h"
#include "net.minecraft.world.level.newbiome.layer.h"

RiverInitLayer::RiverInitLayer(int32_t seed, int64_t seedMixup, shared_ptr<Layer> parent) : Layer(seed,seedMixup)
{
	this->parent = parent;
}

intArray RiverInitLayer::getArea(int xo, int yo, int w, int h)
{
    intArray b = parent->getArea(xo, yo, w, h);
    intArray result = IntCache::allocate(w * h);
    for (int y = 0; y < h; y++)
    {
        for (int x = 0; x < w; x++)
        {
            initRandom(x + xo, y + yo);
            result[x + y * w] = b[x + y * w] > 0 ? nextRandom(299999) + 2 : 0;
        }
    }
    return result;
}