Giant Mushroom

src/main/java/ru/betterend/util/sdf/SDF.java

@@ -12,6 +12,7 @@ import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Direction;
 import net.minecraft.world.ServerWorldAccess;
 import ru.betterend.util.BlocksHelper;
+import ru.betterend.world.structures.StructureWorld;
 
 public abstract class SDF {
 	private Function<PosInfo, BlockState> postProcess = (info) -> {
@@ -120,4 +121,44 @@ public abstract class SDF {
 		
 		return mapWorld.keySet();
 	}
+	
+	public Set<BlockPos> fillRecursive(StructureWorld world, BlockPos start) {
+		Map<BlockPos, PosInfo> mapWorld = Maps.newHashMap();
+		Set<BlockPos> blocks = Sets.newHashSet();
+		Set<BlockPos> ends = Sets.newHashSet();
+		Set<BlockPos> add = Sets.newHashSet();
+		ends.add(new BlockPos(0, 0, 0));
+		boolean run = true;
+		
+		while (run) {
+			for (BlockPos center: ends) {
+				for (Direction dir: Direction.values()) {
+					BlockPos pos = center.offset(dir);
+					BlockPos wpos = pos.add(start);
+					
+					if (!blocks.contains(pos)) {
+						if (this.getDistance(pos.getX(), pos.getY(), pos.getZ()) < 0) {
+							BlockState state = getBlockState(wpos);
+							PosInfo.create(mapWorld, wpos).setState(state);
+							add.add(pos);
+						}
+					}
+				}
+			}
+			
+			blocks.addAll(ends);
+			ends.clear();
+			ends.addAll(add);
+			add.clear();
+			
+			run &= !ends.isEmpty();
+		}
+		
+		mapWorld.forEach((pos, info) -> {
+			BlockState state = postProcess.apply(info);
+			world.setBlock(pos, state);
+		});
+		
+		return mapWorld.keySet();
+	}
 }

src/main/java/ru/betterend/util/sdf/operator/SDFRound.java

@@ -0,0 +1,15 @@
+package ru.betterend.util.sdf.operator;
+
+public class SDFRound extends SDFUnary {
+	private float radius;
+	
+	public SDFRound setRadius(float radius) {
+		this.radius = radius;
+		return this;
+	}
+	
+	@Override
+	public float getDistance(float x, float y, float z) {
+		return this.source.getDistance(x, y, z) - radius;
+	}
+}