package net.minecraft.block; import java.util.List; import java.util.Random; import net.minecraft.block.material.Material; import net.minecraft.block.properties.IProperty; import net.minecraft.block.properties.PropertyBool; import net.minecraft.block.properties.PropertyDirection; import net.minecraft.block.state.BlockState; import net.minecraft.block.state.IBlockState; import net.minecraft.creativetab.CreativeTabs; import net.minecraft.entity.Entity; import net.minecraft.entity.EntityLivingBase; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.entity.projectile.EntityArrow; import net.minecraft.util.AxisAlignedBB; import net.minecraft.util.BlockPos; import net.minecraft.util.EnumFacing; import net.minecraft.world.IBlockAccess; import net.minecraft.world.World; public abstract class BlockButton extends Block { public static final PropertyDirection FACING = PropertyDirection.create("facing"); public static final PropertyBool POWERED = PropertyBool.create("powered"); private final boolean wooden; protected BlockButton(boolean wooden) { super(Material.circuits); this.setDefaultState(this.blockState.getBaseState().withProperty(FACING, EnumFacing.NORTH).withProperty(POWERED, Boolean.valueOf(false))); this.setTickRandomly(true); this.setCreativeTab(CreativeTabs.tabRedstone); this.wooden = wooden; } public AxisAlignedBB getCollisionBoundingBox(World worldIn, BlockPos pos, IBlockState state) { return null; } /** * How many world ticks before ticking */ public int tickRate(World worldIn) { return this.wooden ? 30 : 20; } /** * Used to determine ambient occlusion and culling when rebuilding chunks for render */ public boolean isOpaqueCube() { return false; } public boolean isFullCube() { return false; } /** * Check whether this Block can be placed on the given side */ public boolean canPlaceBlockOnSide(World worldIn, BlockPos pos, EnumFacing side) { return func_181088_a(worldIn, pos, side.getOpposite()); } public boolean canPlaceBlockAt(World worldIn, BlockPos pos) { for (EnumFacing enumfacing : EnumFacing.values()) { if (func_181088_a(worldIn, pos, enumfacing)) { return true; } } return false; } protected static boolean func_181088_a(World p_181088_0_, BlockPos p_181088_1_, EnumFacing p_181088_2_) { BlockPos blockpos = p_181088_1_.offset(p_181088_2_); return p_181088_2_ == EnumFacing.DOWN ? World.doesBlockHaveSolidTopSurface(p_181088_0_, blockpos) : p_181088_0_.getBlockState(blockpos).getBlock().isNormalCube(); } /** * Called by ItemBlocks just before a block is actually set in the world, to allow for adjustments to the * IBlockstate */ public IBlockState onBlockPlaced(World worldIn, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ, int meta, EntityLivingBase placer) { return func_181088_a(worldIn, pos, facing.getOpposite()) ? this.getDefaultState().withProperty(FACING, facing).withProperty(POWERED, Boolean.valueOf(false)) : this.getDefaultState().withProperty(FACING, EnumFacing.DOWN).withProperty(POWERED, Boolean.valueOf(false)); } /** * Called when a neighboring block changes. */ public void onNeighborBlockChange(World worldIn, BlockPos pos, IBlockState state, Block neighborBlock) { if (this.checkForDrop(worldIn, pos, state) && !func_181088_a(worldIn, pos, ((EnumFacing)state.getValue(FACING)).getOpposite())) { this.dropBlockAsItem(worldIn, pos, state, 0); worldIn.setBlockToAir(pos); } } private boolean checkForDrop(World worldIn, BlockPos pos, IBlockState state) { if (this.canPlaceBlockAt(worldIn, pos)) { return true; } else { this.dropBlockAsItem(worldIn, pos, state, 0); worldIn.setBlockToAir(pos); return false; } } public void setBlockBoundsBasedOnState(IBlockAccess worldIn, BlockPos pos) { this.updateBlockBounds(worldIn.getBlockState(pos)); } private void updateBlockBounds(IBlockState state) { EnumFacing enumfacing = (EnumFacing)state.getValue(FACING); boolean flag = ((Boolean)state.getValue(POWERED)).booleanValue(); float f = 0.25F; float f1 = 0.375F; float f2 = (float)(flag ? 1 : 2) / 16.0F; float f3 = 0.125F; float f4 = 0.1875F; switch (enumfacing) { case EAST: this.setBlockBounds(0.0F, 0.375F, 0.3125F, f2, 0.625F, 0.6875F); break; case WEST: this.setBlockBounds(1.0F - f2, 0.375F, 0.3125F, 1.0F, 0.625F, 0.6875F); break; case SOUTH: this.setBlockBounds(0.3125F, 0.375F, 0.0F, 0.6875F, 0.625F, f2); break; case NORTH: this.setBlockBounds(0.3125F, 0.375F, 1.0F - f2, 0.6875F, 0.625F, 1.0F); break; case UP: this.setBlockBounds(0.3125F, 0.0F, 0.375F, 0.6875F, 0.0F + f2, 0.625F); break; case DOWN: this.setBlockBounds(0.3125F, 1.0F - f2, 0.375F, 0.6875F, 1.0F, 0.625F); } } public boolean onBlockActivated(World worldIn, BlockPos pos, IBlockState state, EntityPlayer playerIn, EnumFacing side, float hitX, float hitY, float hitZ) { if (((Boolean)state.getValue(POWERED)).booleanValue()) { return true; } else { worldIn.setBlockState(pos, state.withProperty(POWERED, Boolean.valueOf(true)), 3); worldIn.markBlockRangeForRenderUpdate(pos, pos); worldIn.playSoundEffect((double)pos.getX() + 0.5D, (double)pos.getY() + 0.5D, (double)pos.getZ() + 0.5D, "random.click", 0.3F, 0.6F); this.notifyNeighbors(worldIn, pos, (EnumFacing)state.getValue(FACING)); worldIn.scheduleUpdate(pos, this, this.tickRate(worldIn)); return true; } } public void breakBlock(World worldIn, BlockPos pos, IBlockState state) { if (((Boolean)state.getValue(POWERED)).booleanValue()) { this.notifyNeighbors(worldIn, pos, (EnumFacing)state.getValue(FACING)); } super.breakBlock(worldIn, pos, state); } public int getWeakPower(IBlockAccess worldIn, BlockPos pos, IBlockState state, EnumFacing side) { return ((Boolean)state.getValue(POWERED)).booleanValue() ? 15 : 0; } public int getStrongPower(IBlockAccess worldIn, BlockPos pos, IBlockState state, EnumFacing side) { return !((Boolean)state.getValue(POWERED)).booleanValue() ? 0 : (state.getValue(FACING) == side ? 15 : 0); } /** * Can this block provide power. Only wire currently seems to have this change based on its state. */ public boolean canProvidePower() { return true; } /** * Called randomly when setTickRandomly is set to true (used by e.g. crops to grow, etc.) */ public void randomTick(World worldIn, BlockPos pos, IBlockState state, Random random) { } public void updateTick(World worldIn, BlockPos pos, IBlockState state, Random rand) { if (!worldIn.isRemote) { if (((Boolean)state.getValue(POWERED)).booleanValue()) { if (this.wooden) { this.checkForArrows(worldIn, pos, state); } else { worldIn.setBlockState(pos, state.withProperty(POWERED, Boolean.valueOf(false))); this.notifyNeighbors(worldIn, pos, (EnumFacing)state.getValue(FACING)); worldIn.playSoundEffect((double)pos.getX() + 0.5D, (double)pos.getY() + 0.5D, (double)pos.getZ() + 0.5D, "random.click", 0.3F, 0.5F); worldIn.markBlockRangeForRenderUpdate(pos, pos); } } } } /** * Sets the block's bounds for rendering it as an item */ public void setBlockBoundsForItemRender() { float f = 0.1875F; float f1 = 0.125F; float f2 = 0.125F; this.setBlockBounds(0.5F - f, 0.5F - f1, 0.5F - f2, 0.5F + f, 0.5F + f1, 0.5F + f2); } /** * Called When an Entity Collided with the Block */ public void onEntityCollidedWithBlock(World worldIn, BlockPos pos, IBlockState state, Entity entityIn) { if (!worldIn.isRemote) { if (this.wooden) { if (!((Boolean)state.getValue(POWERED)).booleanValue()) { this.checkForArrows(worldIn, pos, state); } } } } private void checkForArrows(World worldIn, BlockPos pos, IBlockState state) { this.updateBlockBounds(state); List list = worldIn.getEntitiesWithinAABB(EntityArrow.class, new AxisAlignedBB((double)pos.getX() + this.minX, (double)pos.getY() + this.minY, (double)pos.getZ() + this.minZ, (double)pos.getX() + this.maxX, (double)pos.getY() + this.maxY, (double)pos.getZ() + this.maxZ)); boolean flag = !list.isEmpty(); boolean flag1 = ((Boolean)state.getValue(POWERED)).booleanValue(); if (flag && !flag1) { worldIn.setBlockState(pos, state.withProperty(POWERED, Boolean.valueOf(true))); this.notifyNeighbors(worldIn, pos, (EnumFacing)state.getValue(FACING)); worldIn.markBlockRangeForRenderUpdate(pos, pos); worldIn.playSoundEffect((double)pos.getX() + 0.5D, (double)pos.getY() + 0.5D, (double)pos.getZ() + 0.5D, "random.click", 0.3F, 0.6F); } if (!flag && flag1) { worldIn.setBlockState(pos, state.withProperty(POWERED, Boolean.valueOf(false))); this.notifyNeighbors(worldIn, pos, (EnumFacing)state.getValue(FACING)); worldIn.markBlockRangeForRenderUpdate(pos, pos); worldIn.playSoundEffect((double)pos.getX() + 0.5D, (double)pos.getY() + 0.5D, (double)pos.getZ() + 0.5D, "random.click", 0.3F, 0.5F); } if (flag) { worldIn.scheduleUpdate(pos, this, this.tickRate(worldIn)); } } private void notifyNeighbors(World worldIn, BlockPos pos, EnumFacing facing) { worldIn.notifyNeighborsOfStateChange(pos, this); worldIn.notifyNeighborsOfStateChange(pos.offset(facing.getOpposite()), this); } /** * Convert the given metadata into a BlockState for this Block */ public IBlockState getStateFromMeta(int meta) { EnumFacing enumfacing; switch (meta & 7) { case 0: enumfacing = EnumFacing.DOWN; break; case 1: enumfacing = EnumFacing.EAST; break; case 2: enumfacing = EnumFacing.WEST; break; case 3: enumfacing = EnumFacing.SOUTH; break; case 4: enumfacing = EnumFacing.NORTH; break; case 5: default: enumfacing = EnumFacing.UP; } return this.getDefaultState().withProperty(FACING, enumfacing).withProperty(POWERED, Boolean.valueOf((meta & 8) > 0)); } /** * Convert the BlockState into the correct metadata value */ public int getMetaFromState(IBlockState state) { int i; switch ((EnumFacing)state.getValue(FACING)) { case EAST: i = 1; break; case WEST: i = 2; break; case SOUTH: i = 3; break; case NORTH: i = 4; break; case UP: default: i = 5; break; case DOWN: i = 0; } if (((Boolean)state.getValue(POWERED)).booleanValue()) { i |= 8; } return i; } protected BlockState createBlockState() { return new BlockState(this, new IProperty[] {FACING, POWERED}); } }