diff options
Diffstat (limited to 'Minecraft.World/RiverLayer.cpp')
| -rw-r--r-- | Minecraft.World/RiverLayer.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Minecraft.World/RiverLayer.cpp b/Minecraft.World/RiverLayer.cpp new file mode 100644 index 00000000..8f805bab --- /dev/null +++ b/Minecraft.World/RiverLayer.cpp @@ -0,0 +1,40 @@ +#include "stdafx.h" +#include "net.minecraft.world.level.biome.h" +#include "net.minecraft.world.level.newbiome.layer.h" + +RiverLayer::RiverLayer(__int64 seedMixup, shared_ptr<Layer>parent) : Layer(seedMixup) +{ + this->parent = parent; +} + +intArray RiverLayer::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 l = p[(x + 0) + (y + 1) * pw]; + int r = p[(x + 2) + (y + 1) * pw]; + int u = p[(x + 1) + (y + 0) * pw]; + int d = p[(x + 1) + (y + 2) * pw]; + int c = p[(x + 1) + (y + 1) * pw]; + if (c == 0 || (l == 0 || r == 0 || u == 0 || d == 0) || c != l || c != u || c != r || c != d) + { + result[x + y * w] = Biome::river->id; + } + else + { + result[x + y * w] = -1; + } + } + } + + return result; +}
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