Dense vines

src/main/java/ru/betterend/blocks/basis/BlockSign.java

@@ -44,8 +44,7 @@ public class BlockSign extends AbstractSignBlock {
 
 	public BlockSign(Block source) {
 		super(FabricBlockSettings.copyOf(source).noCollision().nonOpaque(), SignType.OAK);
-		this.setDefaultState(
-				this.stateManager.getDefaultState().with(ROTATION, 0).with(FLOOR, true).with(WATERLOGGED, false));
+		this.setDefaultState(this.stateManager.getDefaultState().with(ROTATION, 0).with(FLOOR, true).with(WATERLOGGED, false));
 	}
 
 	@Override

src/main/java/ru/betterend/blocks/basis/BlockVine.java

@@ -0,0 +1,140 @@
+package ru.betterend.blocks.basis;
+
+import java.util.List;
+import java.util.Random;
+
+import com.google.common.collect.Lists;
+
+import net.fabricmc.fabric.api.object.builder.v1.block.FabricBlockSettings;
+import net.fabricmc.fabric.api.tool.attribute.v1.FabricToolTags;
+import net.minecraft.block.AbstractBlock;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.Fertilizable;
+import net.minecraft.block.Material;
+import net.minecraft.block.ShapeContext;
+import net.minecraft.enchantment.EnchantmentHelper;
+import net.minecraft.enchantment.Enchantments;
+import net.minecraft.item.ItemStack;
+import net.minecraft.loot.context.LootContext;
+import net.minecraft.loot.context.LootContextParameters;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.sound.BlockSoundGroup;
+import net.minecraft.state.StateManager;
+import net.minecraft.state.property.EnumProperty;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
+import net.minecraft.world.World;
+import net.minecraft.world.WorldAccess;
+import net.minecraft.world.WorldView;
+import ru.betterend.blocks.BlockProperties;
+import ru.betterend.blocks.BlockProperties.TripleShape;
+import ru.betterend.client.ERenderLayer;
+import ru.betterend.client.IRenderTypeable;
+import ru.betterend.util.BlocksHelper;
+
+public class BlockVine extends BlockBaseNotFull implements IRenderTypeable, Fertilizable {
+	public static final EnumProperty<TripleShape> SHAPE = BlockProperties.TRIPLE_SHAPE;
+	private static final VoxelShape VOXEL_SHAPE = Block.createCuboidShape(2, 0, 2, 14, 16, 14);
+	
+	public BlockVine() {
+		this(0, false);
+	}
+	
+	public BlockVine(int light) {
+		this(light, false);
+	}
+	
+	public BlockVine(int light, boolean bottomOnly) {
+		super(FabricBlockSettings.of(Material.PLANT)
+				.breakByTool(FabricToolTags.SHEARS)
+				.sounds(BlockSoundGroup.GRASS)
+				.lightLevel((state) -> {
+					return bottomOnly ? state.get(SHAPE) == TripleShape.BOTTOM ? light : 0 : light;
+				})
+				.breakByHand(true)
+				.noCollision());
+		this.setDefaultState(this.stateManager.getDefaultState().with(SHAPE, TripleShape.BOTTOM));
+	}
+	
+	@Override
+	protected void appendProperties(StateManager.Builder<Block, BlockState> stateManager) {
+		stateManager.add(SHAPE);
+	}
+
+	@Override
+	public VoxelShape getOutlineShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ePos) {
+		Vec3d vec3d = state.getModelOffset(view, pos);
+		return VOXEL_SHAPE.offset(vec3d.x, vec3d.y, vec3d.z);
+	}
+
+	@Override
+	public AbstractBlock.OffsetType getOffsetType() {
+		return AbstractBlock.OffsetType.XZ;
+	}
+
+	@Override
+	public boolean canPlaceAt(BlockState state, WorldView world, BlockPos pos) {
+		return isSupport(state, world, pos);
+	}
+	
+	protected boolean isSupport(BlockState state, WorldView world, BlockPos pos) {
+		return world.getBlockState(pos.up()).getBlock() == this || sideCoversSmallSquare(world, pos.up(), Direction.UP);
+	}
+
+	@Override
+	public BlockState getStateForNeighborUpdate(BlockState state, Direction facing, BlockState neighborState, WorldAccess world, BlockPos pos, BlockPos neighborPos) {
+		if (!canPlaceAt(state, world, pos)) {
+			return Blocks.AIR.getDefaultState();
+		}
+		else {
+			if (world.getBlockState(pos.up()).getBlock() != this)
+				return state.with(SHAPE, TripleShape.TOP);
+			else if (world.getBlockState(pos.down()).getBlock() != this)
+				return state.with(SHAPE, TripleShape.BOTTOM);
+			return state.with(SHAPE, TripleShape.MIDDLE);
+		}
+	}
+	
+	@Override
+	public List<ItemStack> getDroppedStacks(BlockState state, LootContext.Builder builder) {
+		ItemStack tool = builder.get(LootContextParameters.TOOL);
+		if (tool != null && tool.getItem().isIn(FabricToolTags.SHEARS) || EnchantmentHelper.getLevel(Enchantments.SILK_TOUCH, tool) > 0) {
+			return Lists.newArrayList(new ItemStack(this));
+		}
+		else {
+			return Lists.newArrayList();
+		}
+	}
+	
+	@Override
+	public ERenderLayer getRenderLayer() {
+		return ERenderLayer.CUTOUT;
+	}
+
+	@Override
+	public boolean isFertilizable(BlockView world, BlockPos pos, BlockState state, boolean isClient) {
+		return true;
+	}
+
+	@Override
+	public boolean canGrow(World world, Random random, BlockPos pos, BlockState state) {
+		while (world.getBlockState(pos).getBlock() == this) {
+			pos = pos.down();
+		}
+		return world.isAir(pos);
+	}
+
+	@Override
+	public void grow(ServerWorld world, Random random, BlockPos pos, BlockState state) {
+		while (world.getBlockState(pos).getBlock() == this) {
+			pos = pos.down();
+		}
+		world.setBlockState(pos, getDefaultState());
+		BlocksHelper.setWithoutUpdate(world, pos, getDefaultState());
+	}
+}