package net.minecraft.item; import net.minecraft.advancements.CriteriaTriggers; import net.minecraft.block.Block; import net.minecraft.block.BlockSnow; import net.minecraft.block.SoundType; import net.minecraft.block.state.IBlockState; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.entity.player.EntityPlayerMP; import net.minecraft.util.EnumActionResult; import net.minecraft.util.EnumFacing; import net.minecraft.util.EnumHand; import net.minecraft.util.SoundCategory; import net.minecraft.util.math.AxisAlignedBB; import net.minecraft.util.math.BlockPos; import net.minecraft.world.World; public class ItemSnow extends ItemBlock { public ItemSnow(Block block) { super(block); this.setMaxDamage(0); } /** * Called when a Block is right-clicked with this Item */ public EnumActionResult onItemUse(EntityPlayer player, World worldIn, BlockPos pos, EnumHand hand, EnumFacing facing, float hitX, float hitY, float hitZ) { ItemStack itemstack = player.getHeldItem(hand); if (!itemstack.isEmpty() && player.canPlayerEdit(pos, facing, itemstack)) { IBlockState iblockstate = worldIn.getBlockState(pos); Block block = iblockstate.getBlock(); BlockPos blockpos = pos; if ((facing != EnumFacing.UP || block != this.block) && !block.isReplaceable(worldIn, pos)) { blockpos = pos.offset(facing); iblockstate = worldIn.getBlockState(blockpos); block = iblockstate.getBlock(); } if (block == this.block) { int i = ((Integer)iblockstate.getValue(BlockSnow.LAYERS)).intValue(); if (i < 8) { IBlockState iblockstate1 = iblockstate.withProperty(BlockSnow.LAYERS, Integer.valueOf(i + 1)); AxisAlignedBB axisalignedbb = iblockstate1.getCollisionBoundingBox(worldIn, blockpos); if (axisalignedbb != Block.NULL_AABB && worldIn.checkNoEntityCollision(axisalignedbb.offset(blockpos)) && worldIn.setBlockState(blockpos, iblockstate1, 10)) { SoundType soundtype = this.block.getSoundType(iblockstate1, worldIn, pos, player); worldIn.playSound(player, blockpos, soundtype.getPlaceSound(), SoundCategory.BLOCKS, (soundtype.getVolume() + 1.0F) / 2.0F, soundtype.getPitch() * 0.8F); if (player instanceof EntityPlayerMP) { CriteriaTriggers.PLACED_BLOCK.trigger((EntityPlayerMP)player, pos, itemstack); } itemstack.shrink(1); return EnumActionResult.SUCCESS; } } } return super.onItemUse(player, worldIn, pos, hand, facing, hitX, hitY, hitZ); } else { return EnumActionResult.FAIL; } } /** * Converts the given ItemStack damage value into a metadata value to be placed in the world when this Item is * placed as a Block (mostly used with ItemBlocks). */ public int getMetadata(int damage) { return damage; } public boolean canPlaceBlockOnSide(World world, BlockPos pos, EnumFacing side, EntityPlayer player, ItemStack stack) { IBlockState state = world.getBlockState(pos); return (state.getBlock() != net.minecraft.init.Blocks.SNOW_LAYER || ((Integer)state.getValue(BlockSnow.LAYERS)) > 7) ? super.canPlaceBlockOnSide(world, pos, side, player, stack) : true; } }