first commit

Minecraft.World/DownfallLayer.cpp

@@ -0,0 +1,21 @@
+#include "stdafx.h"
+#include "net.minecraft.world.level.biome.h"
+#include "net.minecraft.world.level.newbiome.layer.h"
+
+DownfallLayer::DownfallLayer(shared_ptr<Layer>parent) : Layer(0)
+{
+	this->parent = parent;
+}
+
+intArray DownfallLayer::getArea(int xo, int yo, int w, int h)
+{
+	intArray b = parent->getArea(xo, yo, w, h);
+
+	intArray result = IntCache::allocate(w * h);
+	for (int i = 0; i < w * h; i++)
+	{
+		result[i] = Biome::biomes[b[i]]->getDownfallInt();
+	}
+
+	return result;
+}