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#include "stdafx.h"
#include "net.minecraft.world.level.biome.h"
#include "net.minecraft.world.level.newbiome.layer.h"
RiverMixerLayer::RiverMixerLayer(int64_t seed, shared_ptr<Layer>biomes, shared_ptr<Layer>rivers) : Layer(seed)
{
this->biomes = biomes;
this->rivers = rivers;
}
void RiverMixerLayer::init(int64_t seed)
{
biomes->init(seed);
rivers->init(seed);
Layer::init(seed);
}
intArray RiverMixerLayer::getArea(int xo, int yo, int w, int h)
{
intArray b = biomes->getArea(xo, yo, w, h);
intArray r = rivers->getArea(xo, yo, w, h);
intArray result = IntCache::allocate(w * h);
for (int i = 0; i < w * h; i++)
{
if (b[i] == Biome::ocean->id)
{
result[i] = b[i];
}
else
{
if (r[i] >= 0)
{
if (b[i] == Biome::iceFlats->id) result[i] = Biome::frozenRiver->id;
else if (b[i] == Biome::mushroomIsland->id || b[i] == Biome::mushroomIslandShore->id) result[i] = Biome::mushroomIsland->id; // 4J - don't make mushroom island shores as we don't have any island left once we do this as our islands are small (this used to change to mushroomIslandShore)
else result[i] = r[i];
}
else
{
result[i] = b[i];
}
}
}
return result;
}
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