464 lines
17 KiB
Java
464 lines
17 KiB
Java
package net.minecraft.block;
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import javax.annotation.Nullable;
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import net.minecraft.block.material.Material;
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import net.minecraft.block.properties.IProperty;
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import net.minecraft.block.properties.PropertyBool;
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import net.minecraft.block.properties.PropertyEnum;
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import net.minecraft.block.state.BlockFaceShape;
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import net.minecraft.block.state.BlockStateContainer;
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import net.minecraft.block.state.IBlockState;
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import net.minecraft.creativetab.CreativeTabs;
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import net.minecraft.entity.EntityLivingBase;
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import net.minecraft.entity.player.EntityPlayer;
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import net.minecraft.init.SoundEvents;
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import net.minecraft.util.EnumFacing;
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import net.minecraft.util.EnumHand;
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import net.minecraft.util.IStringSerializable;
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import net.minecraft.util.Mirror;
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import net.minecraft.util.Rotation;
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import net.minecraft.util.SoundCategory;
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import net.minecraft.util.math.AxisAlignedBB;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.world.IBlockAccess;
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import net.minecraft.world.World;
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public class BlockLever extends Block
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{
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public static final PropertyEnum<BlockLever.EnumOrientation> FACING = PropertyEnum.<BlockLever.EnumOrientation>create("facing", BlockLever.EnumOrientation.class);
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public static final PropertyBool POWERED = PropertyBool.create("powered");
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protected static final AxisAlignedBB LEVER_NORTH_AABB = new AxisAlignedBB(0.3125D, 0.20000000298023224D, 0.625D, 0.6875D, 0.800000011920929D, 1.0D);
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protected static final AxisAlignedBB LEVER_SOUTH_AABB = new AxisAlignedBB(0.3125D, 0.20000000298023224D, 0.0D, 0.6875D, 0.800000011920929D, 0.375D);
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protected static final AxisAlignedBB LEVER_WEST_AABB = new AxisAlignedBB(0.625D, 0.20000000298023224D, 0.3125D, 1.0D, 0.800000011920929D, 0.6875D);
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protected static final AxisAlignedBB LEVER_EAST_AABB = new AxisAlignedBB(0.0D, 0.20000000298023224D, 0.3125D, 0.375D, 0.800000011920929D, 0.6875D);
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protected static final AxisAlignedBB LEVER_UP_AABB = new AxisAlignedBB(0.25D, 0.0D, 0.25D, 0.75D, 0.6000000238418579D, 0.75D);
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protected static final AxisAlignedBB LEVER_DOWN_AABB = new AxisAlignedBB(0.25D, 0.4000000059604645D, 0.25D, 0.75D, 1.0D, 0.75D);
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protected BlockLever()
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{
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super(Material.CIRCUITS);
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this.setDefaultState(this.blockState.getBaseState().withProperty(FACING, BlockLever.EnumOrientation.NORTH).withProperty(POWERED, Boolean.valueOf(false)));
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this.setCreativeTab(CreativeTabs.REDSTONE);
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}
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@Nullable
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public AxisAlignedBB getCollisionBoundingBox(IBlockState blockState, IBlockAccess worldIn, BlockPos pos)
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{
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return NULL_AABB;
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}
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/**
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* Used to determine ambient occlusion and culling when rebuilding chunks for render
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*/
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public boolean isOpaqueCube(IBlockState state)
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{
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return false;
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}
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public boolean isFullCube(IBlockState state)
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{
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return false;
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}
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/**
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* Check whether this Block can be placed at pos, while aiming at the specified side of an adjacent block
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*/
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public boolean canPlaceBlockOnSide(World worldIn, BlockPos pos, EnumFacing side)
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{
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return canAttachTo(worldIn, pos, side);
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}
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/**
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* Checks if this block can be placed exactly at the given position.
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*/
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public boolean canPlaceBlockAt(World worldIn, BlockPos pos)
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{
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for (EnumFacing enumfacing : EnumFacing.values())
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{
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if (canAttachTo(worldIn, pos, enumfacing))
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{
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return true;
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}
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}
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return false;
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}
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protected static boolean canAttachTo(World worldIn, BlockPos p_181090_1_, EnumFacing p_181090_2_)
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{
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return BlockButton.canPlaceBlock(worldIn, p_181090_1_, p_181090_2_);
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}
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/**
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* Called by ItemBlocks just before a block is actually set in the world, to allow for adjustments to the
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* IBlockstate
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*/
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public IBlockState getStateForPlacement(World worldIn, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ, int meta, EntityLivingBase placer)
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{
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IBlockState iblockstate = this.getDefaultState().withProperty(POWERED, Boolean.valueOf(false));
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if (canAttachTo(worldIn, pos, facing))
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{
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return iblockstate.withProperty(FACING, BlockLever.EnumOrientation.forFacings(facing, placer.getHorizontalFacing()));
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}
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else
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{
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for (EnumFacing enumfacing : EnumFacing.Plane.HORIZONTAL)
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{
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if (enumfacing != facing && canAttachTo(worldIn, pos, enumfacing))
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{
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return iblockstate.withProperty(FACING, BlockLever.EnumOrientation.forFacings(enumfacing, placer.getHorizontalFacing()));
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}
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}
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if (worldIn.getBlockState(pos.down()).isTopSolid())
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{
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return iblockstate.withProperty(FACING, BlockLever.EnumOrientation.forFacings(EnumFacing.UP, placer.getHorizontalFacing()));
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}
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else
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{
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return iblockstate;
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}
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}
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}
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/**
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* Called when a neighboring block was changed and marks that this state should perform any checks during a neighbor
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* change. Cases may include when redstone power is updated, cactus blocks popping off due to a neighboring solid
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* block, etc.
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*/
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public void neighborChanged(IBlockState state, World worldIn, BlockPos pos, Block blockIn, BlockPos fromPos)
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{
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if (this.checkCanSurvive(worldIn, pos, state) && !canAttachTo(worldIn, pos, ((BlockLever.EnumOrientation)state.getValue(FACING)).getFacing()))
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{
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this.dropBlockAsItem(worldIn, pos, state, 0);
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worldIn.setBlockToAir(pos);
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}
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}
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private boolean checkCanSurvive(World worldIn, BlockPos pos, IBlockState state)
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{
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if (this.canPlaceBlockAt(worldIn, pos))
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{
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return true;
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}
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else
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{
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this.dropBlockAsItem(worldIn, pos, state, 0);
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worldIn.setBlockToAir(pos);
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return false;
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}
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}
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public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos)
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{
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switch ((BlockLever.EnumOrientation)state.getValue(FACING))
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{
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case EAST:
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default:
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return LEVER_EAST_AABB;
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case WEST:
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return LEVER_WEST_AABB;
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case SOUTH:
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return LEVER_SOUTH_AABB;
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case NORTH:
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return LEVER_NORTH_AABB;
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case UP_Z:
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case UP_X:
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return LEVER_UP_AABB;
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case DOWN_X:
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case DOWN_Z:
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return LEVER_DOWN_AABB;
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}
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}
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/**
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* Called when the block is right clicked by a player.
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*/
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public boolean onBlockActivated(World worldIn, BlockPos pos, IBlockState state, EntityPlayer playerIn, EnumHand hand, EnumFacing facing, float hitX, float hitY, float hitZ)
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{
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if (worldIn.isRemote)
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{
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return true;
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}
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else
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{
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state = state.cycleProperty(POWERED);
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worldIn.setBlockState(pos, state, 3);
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float f = ((Boolean)state.getValue(POWERED)).booleanValue() ? 0.6F : 0.5F;
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worldIn.playSound((EntityPlayer)null, pos, SoundEvents.BLOCK_LEVER_CLICK, SoundCategory.BLOCKS, 0.3F, f);
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worldIn.notifyNeighborsOfStateChange(pos, this, false);
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EnumFacing enumfacing = ((BlockLever.EnumOrientation)state.getValue(FACING)).getFacing();
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worldIn.notifyNeighborsOfStateChange(pos.offset(enumfacing.getOpposite()), this, false);
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return true;
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}
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}
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/**
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* Called serverside after this block is replaced with another in Chunk, but before the Tile Entity is updated
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*/
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public void breakBlock(World worldIn, BlockPos pos, IBlockState state)
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{
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if (((Boolean)state.getValue(POWERED)).booleanValue())
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{
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worldIn.notifyNeighborsOfStateChange(pos, this, false);
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EnumFacing enumfacing = ((BlockLever.EnumOrientation)state.getValue(FACING)).getFacing();
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worldIn.notifyNeighborsOfStateChange(pos.offset(enumfacing.getOpposite()), this, false);
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}
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super.breakBlock(worldIn, pos, state);
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}
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public int getWeakPower(IBlockState blockState, IBlockAccess blockAccess, BlockPos pos, EnumFacing side)
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{
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return ((Boolean)blockState.getValue(POWERED)).booleanValue() ? 15 : 0;
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}
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public int getStrongPower(IBlockState blockState, IBlockAccess blockAccess, BlockPos pos, EnumFacing side)
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{
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if (!((Boolean)blockState.getValue(POWERED)).booleanValue())
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{
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return 0;
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}
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else
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{
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return ((BlockLever.EnumOrientation)blockState.getValue(FACING)).getFacing() == side ? 15 : 0;
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}
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}
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/**
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* Can this block provide power. Only wire currently seems to have this change based on its state.
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*/
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public boolean canProvidePower(IBlockState state)
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{
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return true;
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}
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/**
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* Convert the given metadata into a BlockState for this Block
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*/
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public IBlockState getStateFromMeta(int meta)
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{
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return this.getDefaultState().withProperty(FACING, BlockLever.EnumOrientation.byMetadata(meta & 7)).withProperty(POWERED, Boolean.valueOf((meta & 8) > 0));
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}
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/**
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* Convert the BlockState into the correct metadata value
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*/
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public int getMetaFromState(IBlockState state)
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{
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int i = 0;
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i = i | ((BlockLever.EnumOrientation)state.getValue(FACING)).getMetadata();
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if (((Boolean)state.getValue(POWERED)).booleanValue())
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{
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i |= 8;
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}
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return i;
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}
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/**
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* Returns the blockstate with the given rotation from the passed blockstate. If inapplicable, returns the passed
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* blockstate.
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*/
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public IBlockState withRotation(IBlockState state, Rotation rot)
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{
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switch (rot)
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{
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case CLOCKWISE_180:
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switch ((BlockLever.EnumOrientation)state.getValue(FACING))
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{
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case EAST:
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return state.withProperty(FACING, BlockLever.EnumOrientation.WEST);
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case WEST:
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return state.withProperty(FACING, BlockLever.EnumOrientation.EAST);
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case SOUTH:
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return state.withProperty(FACING, BlockLever.EnumOrientation.NORTH);
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case NORTH:
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return state.withProperty(FACING, BlockLever.EnumOrientation.SOUTH);
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default:
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return state;
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}
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case COUNTERCLOCKWISE_90:
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switch ((BlockLever.EnumOrientation)state.getValue(FACING))
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{
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case EAST:
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return state.withProperty(FACING, BlockLever.EnumOrientation.NORTH);
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case WEST:
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return state.withProperty(FACING, BlockLever.EnumOrientation.SOUTH);
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case SOUTH:
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return state.withProperty(FACING, BlockLever.EnumOrientation.EAST);
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case NORTH:
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return state.withProperty(FACING, BlockLever.EnumOrientation.WEST);
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case UP_Z:
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return state.withProperty(FACING, BlockLever.EnumOrientation.UP_X);
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case UP_X:
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return state.withProperty(FACING, BlockLever.EnumOrientation.UP_Z);
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case DOWN_X:
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return state.withProperty(FACING, BlockLever.EnumOrientation.DOWN_Z);
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case DOWN_Z:
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return state.withProperty(FACING, BlockLever.EnumOrientation.DOWN_X);
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}
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case CLOCKWISE_90:
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switch ((BlockLever.EnumOrientation)state.getValue(FACING))
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{
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case EAST:
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return state.withProperty(FACING, BlockLever.EnumOrientation.SOUTH);
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case WEST:
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return state.withProperty(FACING, BlockLever.EnumOrientation.NORTH);
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case SOUTH:
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return state.withProperty(FACING, BlockLever.EnumOrientation.WEST);
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case NORTH:
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return state.withProperty(FACING, BlockLever.EnumOrientation.EAST);
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case UP_Z:
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return state.withProperty(FACING, BlockLever.EnumOrientation.UP_X);
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case UP_X:
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return state.withProperty(FACING, BlockLever.EnumOrientation.UP_Z);
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case DOWN_X:
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return state.withProperty(FACING, BlockLever.EnumOrientation.DOWN_Z);
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case DOWN_Z:
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return state.withProperty(FACING, BlockLever.EnumOrientation.DOWN_X);
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}
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default:
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return state;
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}
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}
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/**
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* Returns the blockstate with the given mirror of the passed blockstate. If inapplicable, returns the passed
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* blockstate.
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*/
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public IBlockState withMirror(IBlockState state, Mirror mirrorIn)
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{
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return state.withRotation(mirrorIn.toRotation(((BlockLever.EnumOrientation)state.getValue(FACING)).getFacing()));
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}
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protected BlockStateContainer createBlockState()
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{
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return new BlockStateContainer(this, new IProperty[] {FACING, POWERED});
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}
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/**
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* Get the geometry of the queried face at the given position and state. This is used to decide whether things like
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* buttons are allowed to be placed on the face, or how glass panes connect to the face, among other things.
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* <p>
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* Common values are {@code SOLID}, which is the default, and {@code UNDEFINED}, which represents something that
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* does not fit the other descriptions and will generally cause other things not to connect to the face.
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*
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* @return an approximation of the form of the given face
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*/
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public BlockFaceShape getBlockFaceShape(IBlockAccess worldIn, IBlockState state, BlockPos pos, EnumFacing face)
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{
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return BlockFaceShape.UNDEFINED;
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}
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public static enum EnumOrientation implements IStringSerializable
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{
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DOWN_X(0, "down_x", EnumFacing.DOWN),
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EAST(1, "east", EnumFacing.EAST),
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WEST(2, "west", EnumFacing.WEST),
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SOUTH(3, "south", EnumFacing.SOUTH),
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NORTH(4, "north", EnumFacing.NORTH),
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UP_Z(5, "up_z", EnumFacing.UP),
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UP_X(6, "up_x", EnumFacing.UP),
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DOWN_Z(7, "down_z", EnumFacing.DOWN);
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private static final BlockLever.EnumOrientation[] META_LOOKUP = new BlockLever.EnumOrientation[values().length];
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private final int meta;
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private final String name;
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private final EnumFacing facing;
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private EnumOrientation(int meta, String name, EnumFacing facing)
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{
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this.meta = meta;
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this.name = name;
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this.facing = facing;
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}
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public int getMetadata()
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{
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return this.meta;
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}
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public EnumFacing getFacing()
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{
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return this.facing;
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}
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public String toString()
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{
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return this.name;
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}
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public static BlockLever.EnumOrientation byMetadata(int meta)
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{
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if (meta < 0 || meta >= META_LOOKUP.length)
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{
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meta = 0;
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}
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return META_LOOKUP[meta];
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}
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public static BlockLever.EnumOrientation forFacings(EnumFacing clickedSide, EnumFacing entityFacing)
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{
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switch (clickedSide)
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{
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case DOWN:
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switch (entityFacing.getAxis())
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{
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case X:
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return DOWN_X;
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case Z:
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return DOWN_Z;
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default:
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throw new IllegalArgumentException("Invalid entityFacing " + entityFacing + " for facing " + clickedSide);
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}
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case UP:
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switch (entityFacing.getAxis())
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{
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case X:
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return UP_X;
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case Z:
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return UP_Z;
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default:
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throw new IllegalArgumentException("Invalid entityFacing " + entityFacing + " for facing " + clickedSide);
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}
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case NORTH:
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return NORTH;
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case SOUTH:
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return SOUTH;
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case WEST:
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return WEST;
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case EAST:
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return EAST;
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default:
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throw new IllegalArgumentException("Invalid facing: " + clickedSide);
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}
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}
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public String getName()
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{
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return this.name;
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}
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static
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{
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for (BlockLever.EnumOrientation blocklever$enumorientation : values())
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{
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META_LOOKUP[blocklever$enumorientation.getMetadata()] = blocklever$enumorientation;
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}
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}
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}
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} |