Java tutorial
/* * This file is part of Applied Energistics 2. * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. * * Applied Energistics 2 is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Applied Energistics 2 is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>. */ package appeng.tile.misc; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.Iterator; import java.util.List; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import net.minecraft.block.state.IBlockState; import net.minecraft.item.ItemStack; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.util.EnumFacing; import net.minecraft.util.math.BlockPos; import net.minecraft.util.math.Vec3d; import net.minecraft.world.EnumSkyBlock; import appeng.api.util.AEColor; import appeng.helpers.Splotch; import appeng.items.misc.ItemPaintBall; import appeng.tile.AEBaseTile; import appeng.tile.TileEvent; import appeng.tile.events.TileEventType; public class TilePaint extends AEBaseTile { private static final int LIGHT_PER_DOT = 12; private int isLit = 0; private List<Splotch> dots = null; @Override public boolean canBeRotated() { return false; } @TileEvent(TileEventType.WORLD_NBT_WRITE) public void writeToNBT_TilePaint(final NBTTagCompound data) { final ByteBuf myDat = Unpooled.buffer(); this.writeBuffer(myDat); if (myDat.hasArray()) { data.setByteArray("dots", myDat.array()); } } private void writeBuffer(final ByteBuf out) { if (this.dots == null) { out.writeByte(0); return; } out.writeByte(this.dots.size()); for (final Splotch s : this.dots) { s.writeToStream(out); } } @TileEvent(TileEventType.WORLD_NBT_READ) public void readFromNBT_TilePaint(final NBTTagCompound data) { if (data.hasKey("dots")) { this.readBuffer(Unpooled.copiedBuffer(data.getByteArray("dots"))); } } private void readBuffer(final ByteBuf in) { final byte howMany = in.readByte(); if (howMany == 0) { this.isLit = 0; this.dots = null; return; } this.dots = new ArrayList(howMany); for (int x = 0; x < howMany; x++) { this.dots.add(new Splotch(in)); } this.isLit = 0; for (final Splotch s : this.dots) { if (s.isLumen()) { this.isLit += LIGHT_PER_DOT; } } this.maxLit(); } private void maxLit() { if (this.isLit > 14) { this.isLit = 14; } if (this.worldObj != null) { this.worldObj.getLightFor(EnumSkyBlock.BLOCK, this.pos); } } @TileEvent(TileEventType.NETWORK_WRITE) public void writeToStream_TilePaint(final ByteBuf data) { this.writeBuffer(data); } @TileEvent(TileEventType.NETWORK_READ) public boolean readFromStream_TilePaint(final ByteBuf data) { this.readBuffer(data); return true; } public void neighborChanged() { if (this.dots == null) { return; } for (final EnumFacing side : EnumFacing.VALUES) { if (!this.isSideValid(side)) { this.removeSide(side); } } this.updateData(); } public boolean isSideValid(final EnumFacing side) { final BlockPos p = this.pos.offset(side); final IBlockState blk = this.worldObj.getBlockState(p); return blk.getBlock().isSideSolid(this.worldObj.getBlockState(p), this.worldObj, p, side.getOpposite()); } private void removeSide(final EnumFacing side) { final Iterator<Splotch> i = this.dots.iterator(); while (i.hasNext()) { final Splotch s = i.next(); if (s.getSide() == side) { i.remove(); } } this.markForUpdate(); this.markDirty(); } private void updateData() { this.isLit = 0; for (final Splotch s : this.dots) { if (s.isLumen()) { this.isLit += LIGHT_PER_DOT; } } this.maxLit(); if (this.dots.isEmpty()) { this.dots = null; } if (this.dots == null) { this.worldObj.setBlockToAir(this.pos); } } public void cleanSide(final EnumFacing side) { if (this.dots == null) { return; } this.removeSide(side); this.updateData(); } public int getLightLevel() { return this.isLit; } public void addBlot(final ItemStack type, final EnumFacing side, final Vec3d hitVec) { final BlockPos p = this.pos.offset(side); final IBlockState blk = this.worldObj.getBlockState(p); if (blk.getBlock().isSideSolid(this.worldObj.getBlockState(p), this.worldObj, p, side.getOpposite())) { final ItemPaintBall ipb = (ItemPaintBall) type.getItem(); final AEColor col = ipb.getColor(type); final boolean lit = ipb.isLumen(type); if (this.dots == null) { this.dots = new ArrayList<Splotch>(); } if (this.dots.size() > 20) { this.dots.remove(0); } this.dots.add(new Splotch(col, lit, side, hitVec)); if (lit) { this.isLit += LIGHT_PER_DOT; } this.maxLit(); this.markForUpdate(); this.markDirty(); } } public Collection<Splotch> getDots() { if (this.dots == null) { return Collections.emptyList(); } return this.dots; } }