diff options
Diffstat (limited to 'Minecraft.World/AddIslandLayer.cpp')
| -rw-r--r-- | Minecraft.World/AddIslandLayer.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/Minecraft.World/AddIslandLayer.cpp b/Minecraft.World/AddIslandLayer.cpp new file mode 100644 index 00000000..21e9a96d --- /dev/null +++ b/Minecraft.World/AddIslandLayer.cpp @@ -0,0 +1,64 @@ +#include "stdafx.h" +#include "net.minecraft.world.level.newbiome.layer.h" +#include "net.minecraft.world.level.biome.h" + +AddIslandLayer::AddIslandLayer(__int64 seedMixup, shared_ptr<Layer>parent) : Layer(seedMixup) +{ + this->parent = parent; +} + +intArray AddIslandLayer::getArea(int xo, int yo, int w, int h) +{ + int px = xo - 1; + int py = yo - 1; + int pw = w + 2; + int ph = h + 2; + intArray p = parent->getArea(px, py, pw, ph); + + intArray result = IntCache::allocate(w * h); + for (int y = 0; y < h; y++) + { + for (int x = 0; x < w; x++) + { + int n1 = p[(x + 0) + (y + 0) * pw]; + int n2 = p[(x + 2) + (y + 0) * pw]; + int n3 = p[(x + 0) + (y + 2) * pw]; + int n4 = p[(x + 2) + (y + 2) * pw]; + int c = p[(x + 1) + (y + 1) * pw]; + initRandom(x + xo, y + yo); + if (c == 0 && (n1 != 0 || n2 != 0 || n3 != 0 || n4 != 0)) + { + int odds = 1; + int swap = 1; + if (n1 != 0 && nextRandom(odds++) == 0) swap = n1; + if (n2 != 0 && nextRandom(odds++) == 0) swap = n2; + if (n3 != 0 && nextRandom(odds++) == 0) swap = n3; + if (n4 != 0 && nextRandom(odds++) == 0) swap = n4; + if (nextRandom(3) == 0) + { + result[x + y * w] = swap; + } + else + { + if (swap == Biome::iceFlats->id) result[x + y * w] = Biome::frozenOcean->id; + else result[x + y * w] = 0; + } + } + else if (c > 0 && (n1 == 0 || n2 == 0 || n3 == 0 || n4 == 0)) + { + if (nextRandom(5) == 0) + { + if (c == Biome::iceFlats->id) result[x + y * w] = Biome::frozenOcean->id; + else result[x + y * w] = 0; + } + else result[x + y * w] = c; + } + else + { + result[x + y * w] = c; + } + } + } + + return result; +}
\ No newline at end of file |