Initial commit

1 files changed, 72 insertions, 0 deletions

diff --git a/Minecraft.World/FuzzyZoomLayer.cpp b/Minecraft.World/FuzzyZoomLayer.cpp
new file mode 100644
index 00000000..65c6709e
--- /dev/null
+++ b/Minecraft.World/FuzzyZoomLayer.cpp
@@ -0,0 +1,72 @@
+#include "stdafx.h"
+#include "System.h"
+#include "net.minecraft.world.level.newbiome.layer.h"
+
+FuzzyZoomLayer::FuzzyZoomLayer(__int64 seedMixup, shared_ptr<Layer>parent) : Layer(seedMixup)
+{
+	this->parent = parent;
+}
+
+intArray FuzzyZoomLayer::getArea(int xo, int yo, int w, int h)
+{
+	int px = xo >> 1;
+	int py = yo >> 1;
+	int pw = (w >> 1) + 3;
+	int ph = (h >> 1) + 3;
+	intArray p = parent->getArea(px, py, pw, ph);
+
+	intArray tmp = IntCache::allocate((pw * 2) * (ph * 2));
+	int ww = (pw << 1);
+	for (int y = 0; y < ph - 1; y++)
+	{
+		int ry = y << 1;
+		int pp = ry * ww;
+		int ul = p[(0 + 0) + (y + 0) * pw];
+		int dl = p[(0 + 0) + (y + 1) * pw];
+		for (int x = 0; x < pw - 1; x++)
+		{
+			initRandom((x + px) << 1, (y + py) << 1);
+			int ur = p[(x + 1) + (y + 0) * pw];
+			int dr = p[(x + 1) + (y + 1) * pw];
+
+			tmp[pp] = ul;
+			tmp[pp++ + ww] = random(ul, dl);
+			tmp[pp] = random(ul, ur);
+			tmp[pp++ + ww] = random(ul, ur, dl, dr);
+
+			ul = ur;
+			dl = dr;
+		}
+	}
+	intArray result = IntCache::allocate(w * h);
+	for (int y = 0; y < h; y++)
+	{
+		System::arraycopy(tmp, (y + (yo & 1)) * (pw << 1) + (xo & 1), &result, y * w, w);
+	}
+
+	return result;
+}
+
+int FuzzyZoomLayer::random(int a, int b)
+{
+	return nextRandom(2) == 0 ? a : b;
+}
+
+int FuzzyZoomLayer::random(int a, int b, int c, int d)
+{
+	int s = nextRandom(4);
+	if (s == 0) return a;
+	if (s == 1) return b;
+	if (s == 2) return c;
+	return d;
+}
+
+shared_ptr<Layer>FuzzyZoomLayer::zoom(__int64 seed, shared_ptr<Layer>sup, int count)
+{
+	shared_ptr<Layer> result = sup;
+	for (int i = 0; i < count; i++)
+	{
+		result = shared_ptr<Layer>(new FuzzyZoomLayer(seed + i, result));
+	}
+	return result;
+}
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