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56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
#include "../../Platform/stdafx.h"
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#include "../../Headers/net.minecraft.world.level.newbiome.layer.h"
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#include "../../Headers/net.minecraft.world.level.biome.h"
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AddIslandLayer::AddIslandLayer(int64_t seedMixup, std::shared_ptr<Layer> parent)
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: Layer(seedMixup) {
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this->parent = parent;
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}
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intArray AddIslandLayer::getArea(int xo, int yo, int w, int h) {
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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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for (int x = 0; x < w; x++) {
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int n1 = p[(x + 0) + (y + 0) * pw];
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int n2 = p[(x + 2) + (y + 0) * pw];
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int n3 = p[(x + 0) + (y + 2) * pw];
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int n4 = p[(x + 2) + (y + 2) * pw];
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int c = p[(x + 1) + (y + 1) * pw];
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initRandom(x + xo, y + yo);
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if (c == 0 && (n1 != 0 || n2 != 0 || n3 != 0 || n4 != 0)) {
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int odds = 1;
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int swap = 1;
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if (n1 != 0 && nextRandom(odds++) == 0) swap = n1;
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if (n2 != 0 && nextRandom(odds++) == 0) swap = n2;
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if (n3 != 0 && nextRandom(odds++) == 0) swap = n3;
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if (n4 != 0 && nextRandom(odds++) == 0) swap = n4;
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if (nextRandom(3) == 0) {
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result[x + y * w] = swap;
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} else {
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if (swap == Biome::iceFlats->id)
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result[x + y * w] = Biome::frozenOcean->id;
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else
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result[x + y * w] = 0;
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}
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} else if (c > 0 && (n1 == 0 || n2 == 0 || n3 == 0 || n4 == 0)) {
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if (nextRandom(5) == 0) {
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if (c == Biome::iceFlats->id)
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result[x + y * w] = Biome::frozenOcean->id;
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else
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result[x + y * w] = 0;
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} else
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result[x + y * w] = c;
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} else {
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result[x + y * w] = c;
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}
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}
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}
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return result;
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} |