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#include "stdafx.h"
#include "System.h"
#include "net.minecraft.world.level.newbiome.layer.h"
FuzzyZoomLayer::FuzzyZoomLayer(__int64 seedMixup, shared_ptr<Layer>parent) : Layer(seedMixup)
{
this->parent = parent;
}
intArray FuzzyZoomLayer::getArea(int xo, int yo, int w, int h)
{
int px = xo >> 1;
int py = yo >> 1;
int pw = (w >> 1) + 3;
int ph = (h >> 1) + 3;
intArray p = parent->getArea(px, py, pw, ph);
intArray tmp = IntCache::allocate((pw * 2) * (ph * 2));
int ww = (pw << 1);
for (int y = 0; y < ph - 1; y++)
{
int ry = y << 1;
int pp = ry * ww;
int ul = p[(0 + 0) + (y + 0) * pw];
int dl = p[(0 + 0) + (y + 1) * pw];
for (int x = 0; x < pw - 1; x++)
{
initRandom((x + px) << 1, (y + py) << 1);
int ur = p[(x + 1) + (y + 0) * pw];
int dr = p[(x + 1) + (y + 1) * pw];
tmp[pp] = ul;
tmp[pp++ + ww] = random(ul, dl);
tmp[pp] = random(ul, ur);
tmp[pp++ + ww] = random(ul, ur, dl, dr);
ul = ur;
dl = dr;
}
}
intArray result = IntCache::allocate(w * h);
for (int y = 0; y < h; y++)
{
System::arraycopy(tmp, (y + (yo & 1)) * (pw << 1) + (xo & 1), &result, y * w, w);
}
return result;
}
int FuzzyZoomLayer::random(int a, int b)
{
return nextRandom(2) == 0 ? a : b;
}
int FuzzyZoomLayer::random(int a, int b, int c, int d)
{
int s = nextRandom(4);
if (s == 0) return a;
if (s == 1) return b;
if (s == 2) return c;
return d;
}
shared_ptr<Layer>FuzzyZoomLayer::zoom(__int64 seed, shared_ptr<Layer>sup, int count)
{
shared_ptr<Layer> result = sup;
for (int i = 0; i < count; i++)
{
result = shared_ptr<Layer>(new FuzzyZoomLayer(seed + i, result));
}
return result;
}
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