40 lines
936 B
C++
40 lines
936 B
C++
#include "stdafx.h"
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#include "net.minecraft.world.level.biome.h"
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#include "net.minecraft.world.level.newbiome.layer.h"
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RiverLayer::RiverLayer(int64_t seedMixup, shared_ptr<Layer>parent) : Layer(seedMixup)
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{
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this->parent = parent;
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}
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intArray RiverLayer::getArea(int xo, int yo, int w, int h)
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{
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int px = xo - 1;
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int py = yo - 1;
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int pw = w + 2;
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int ph = h + 2;
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intArray p = parent->getArea(px, py, pw, ph);
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intArray result = IntCache::allocate(w * h);
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for (int y = 0; y < h; y++)
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{
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for (int x = 0; x < w; x++)
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{
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int l = p[(x + 0) + (y + 1) * pw];
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int r = p[(x + 2) + (y + 1) * pw];
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int u = p[(x + 1) + (y + 0) * pw];
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int d = p[(x + 1) + (y + 2) * pw];
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int c = p[(x + 1) + (y + 1) * pw];
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if (c == 0 || (l == 0 || r == 0 || u == 0 || d == 0) || c != l || c != u || c != r || c != d)
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{
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result[x + y * w] = Biome::river->id;
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}
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else
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{
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result[x + y * w] = -1;
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}
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}
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}
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return result;
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} |