first commit

Minecraft.World/ClayFeature.cpp

@@ -0,0 +1,38 @@
+#include "stdafx.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.level.material.h"
+#include "ClayFeature.h"
+#include "net.minecraft.world.level.tile.h"
+
+ClayFeature::ClayFeature(int radius)
+{
+	this->tile = Tile::clay_Id;
+	this->radius = radius;
+}
+
+bool ClayFeature::place(Level *level, Random *random, int x, int y, int z)
+{
+    if (level->getMaterial(x, y, z) != Material::water) return false;
+
+    int r = random->nextInt(radius - 2) + 2;
+    int yr = 1;
+    for (int xx = x - r; xx <= x + r; xx++)
+	{
+        for (int zz = z - r; zz <= z + r; zz++)
+		{
+            int xd = xx - x;
+            int zd = zz - z;
+            if (xd * xd + zd * zd > r * r) continue;
+            for (int yy = y - yr; yy <= y + yr; yy++)
+			{
+                int t = level->getTile(xx, yy, zz);
+                if (t == Tile::dirt_Id || t == Tile::clay_Id)
+				{
+                    level->setTileNoUpdate(xx, yy, zz, tile);
+                }
+            }
+        }
+    }
+
+    return true;
+}