Files
2026-04-13 17:45:07 +02:00

107 lines
3.0 KiB
C++

#include "stdafx.h"
#include "AddEdgeLayer.h"
#include "net.minecraft.world.level.biome.h"
#include "IntCache.h"
AddEdgeLayer::AddEdgeLayer(int64_t seed, std::shared_ptr<Layer> parent, int64_t seedMixup, int mode)
: Layer(seedMixup)
{
this->parent = parent;
this->mode = mode;
}
intArray AddEdgeLayer::getArea(int xo, int yo, int w, int h)
{
if (mode == 1) return heatIce(xo, yo, w, h);
if (mode == 2) return introduceSpecial(xo, yo, w, h);
return coolWarm(xo, yo, w, h);
}
intArray AddEdgeLayer::coolWarm(int xo, int yo, int w, int h)
{
intArray b = parent->getArea(xo - 1, yo - 1, w + 2, h + 2);
intArray result = IntCache::allocate(w * h);
int stride = w + 2;
for (int iy = 0; iy < h; ++iy)
{
for (int ix = 0; ix < w; ++ix)
{
initRandom(ix + xo, iy + yo);
int center = b[(ix + 1) + (iy + 1) * stride];
if (center == 1)
{
int north = b[(ix + 1) + (iy + 0) * stride];
int east = b[(ix + 2) + (iy + 1) * stride];
int west = b[(ix + 0) + (iy + 1) * stride];
int south = b[(ix + 1) + (iy + 2) * stride];
bool hasCold = (north == 3 || east == 3 || west == 3 || south == 3);
bool hasIcy = (north == 4 || east == 4 || west == 4 || south == 4);
if (hasCold || hasIcy)
center = 2;
}
result[ix + iy * w] = center;
}
}
return result;
}
intArray AddEdgeLayer::heatIce(int xo, int yo, int w, int h)
{
intArray b = parent->getArea(xo - 1, yo - 1, w + 2, h + 2);
intArray result = IntCache::allocate(w * h);
int stride = w + 2;
for (int iy = 0; iy < h; ++iy)
{
for (int ix = 0; ix < w; ++ix)
{
int center = b[(ix + 1) + (iy + 1) * stride];
if (center == 4)
{
int north = b[(ix + 1) + (iy + 0) * stride];
int east = b[(ix + 2) + (iy + 1) * stride];
int west = b[(ix + 0) + (iy + 1) * stride];
int south = b[(ix + 1) + (iy + 2) * stride];
bool nearWarm = (north == 2 || east == 2 || west == 2 || south == 2);
bool nearHot = (north == 1 || east == 1 || west == 1 || south == 1);
if (nearHot || nearWarm || nearWarm)
center = 3;
}
result[ix + iy * w] = center;
}
}
return result;
}
intArray AddEdgeLayer::introduceSpecial(int xo, int yo, int w, int h)
{
intArray b = parent->getArea(xo, yo, w, h);
intArray result = IntCache::allocate(w * h);
for (int iy = 0; iy < h; ++iy)
{
for (int ix = 0; ix < w; ++ix)
{
initRandom(ix + xo, iy + yo);
int val = b[ix + iy * w];
if (val != 0)
{
if (nextRandom(13) == 0)
val |= ((nextRandom(15) + 1) << 8) & 0xF00;
}
result[ix + iy * w] = val;
}
}
return result;
}