mirror of
https://github.com/neoStudiosLCE/neoLegacy.git
synced 2026-06-10 17:53:05 +00:00
106 lines
3.4 KiB
C++
106 lines
3.4 KiB
C++
#include "stdafx.h"
|
|
#include "net.minecraft.world.level.newbiome.layer.h"
|
|
#include "System.h"
|
|
|
|
VoronoiZoom::VoronoiZoom(int32_t seed, int64_t seedMixup, shared_ptr<Layer> parent) : Layer(seed,seedMixup)
|
|
{
|
|
this->parent = parent;
|
|
}
|
|
|
|
intArray VoronoiZoom::getArea(int xo, int yo, int w, int h)
|
|
{
|
|
xo -= 2;
|
|
yo -= 2;
|
|
int px = xo >> 2;
|
|
int py = yo >> 2;
|
|
int pw = (w >> 2) + 2;
|
|
int ph = (h >> 2) + 2;
|
|
intArray p = parent->getArea(px, py, pw, ph);
|
|
int ww = pw << 2;
|
|
intArray tmp = IntCache::allocate(ww * (ph << 2));
|
|
|
|
for (int y = 0; y < ph - 1; y++)
|
|
{
|
|
int ul = p[0 + y * pw];
|
|
int dl = p[0 + (y + 1) * pw];
|
|
for (int x = 0; x < pw - 1; x++)
|
|
{
|
|
initRandom((x + px) << 2, (y + py) << 2);
|
|
double x0 = (nextRandom(1024) / 1024.0 - 0.5) * 3.6;
|
|
double y0 = (nextRandom(1024) / 1024.0 - 0.5) * 3.6;
|
|
initRandom((x + px + 1) << 2, (y + py) << 2);
|
|
double x1 = (nextRandom(1024) / 1024.0 - 0.5) * 3.6 + 4.0;
|
|
double y1 = (nextRandom(1024) / 1024.0 - 0.5) * 3.6;
|
|
initRandom((x + px) << 2, (y + py + 1) << 2);
|
|
double x2 = (nextRandom(1024) / 1024.0 - 0.5) * 3.6;
|
|
double y2 = (nextRandom(1024) / 1024.0 - 0.5) * 3.6 + 4.0;
|
|
initRandom((x + px + 1) << 2, (y + py + 1) << 2);
|
|
double x3 = (nextRandom(1024) / 1024.0 - 0.5) * 3.6 + 4.0;
|
|
double y3 = (nextRandom(1024) / 1024.0 - 0.5) * 3.6 + 4.0;
|
|
int ur = p[(x + 1) + y * pw];
|
|
int dr = p[(x + 1) + (y + 1) * pw];
|
|
|
|
for (int yy = 0; yy < 4; yy++)
|
|
{
|
|
int pp = ((y << 2) + yy) * ww + (x << 2);
|
|
for (int xx = 0; xx < 4; xx++)
|
|
{
|
|
double d0 = (xx - x0) * (xx - x0) + (yy - y0) * (yy - y0);
|
|
double d1 = (xx - x1) * (xx - x1) + (yy - y1) * (yy - y1);
|
|
double d2 = (xx - x2) * (xx - x2) + (yy - y2) * (yy - y2);
|
|
double d3 = (xx - x3) * (xx - x3) + (yy - y3) * (yy - y3);
|
|
if (d0 < d1 && d0 < d2 && d0 < d3)
|
|
tmp[pp++] = ul;
|
|
else if (d1 < d0 && d1 < d2 && d1 < d3)
|
|
tmp[pp++] = ur;
|
|
else if (d2 < d0 && d2 < d1 && d2 < d3)
|
|
tmp[pp++] = dl;
|
|
else
|
|
tmp[pp++] = dr;
|
|
}
|
|
}
|
|
ul = ur;
|
|
dl = dr;
|
|
}
|
|
}
|
|
|
|
intArray result = IntCache::allocate(w * h);
|
|
for (int y = 0; y < h; y++)
|
|
System::arraycopy(tmp, (y + (yo & 3)) * ww + (xo & 3), &result, y * w, w);
|
|
return result;
|
|
}
|
|
|
|
int VoronoiZoom::random(int a, int b)
|
|
{
|
|
return nextRandom(2) == 0 ? a : b;
|
|
}
|
|
|
|
int VoronoiZoom::random(int a, int b, int c, int d)
|
|
{
|
|
if (b == c && c == d) return b;
|
|
if (a == b && a == c) return a;
|
|
if (a == b && a == d) return a;
|
|
if (a == c && a == d) return a;
|
|
|
|
if (a == b && c != d) return a;
|
|
if (a == c && b != d) return a;
|
|
if (a == d && b != c) return a;
|
|
|
|
if (b == a && c != d) return b;
|
|
if (b == c && a != d) return b;
|
|
if (b == d && a != c) return b;
|
|
|
|
if (c == a && b != d) return c;
|
|
if (c == b && a != d) return c;
|
|
if (c == d && a != b) return c;
|
|
|
|
if (d == a && b != c) return c;
|
|
if (d == b && a != c) return c;
|
|
if (d == c && a != b) return c;
|
|
|
|
int s = nextRandom(4);
|
|
if (s == 0) return a;
|
|
if (s == 1) return b;
|
|
if (s == 2) return c;
|
|
return d;
|
|
} |