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.parts.reporting; import java.io.IOException; import io.netty.buffer.ByteBuf; import net.minecraft.client.renderer.RenderBlocks; import net.minecraft.client.renderer.Tessellator; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.item.ItemStack; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.tileentity.TileEntity; import net.minecraft.util.MathHelper; import net.minecraft.util.Vec3; import net.minecraftforge.common.util.ForgeDirection; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import appeng.api.implementations.IPowerChannelState; import appeng.api.implementations.parts.IPartMonitor; import appeng.api.networking.GridFlags; import appeng.api.networking.events.MENetworkBootingStatusChange; import appeng.api.networking.events.MENetworkEventSubscribe; import appeng.api.networking.events.MENetworkPowerStatusChange; import appeng.api.parts.IPartCollisionHelper; import appeng.api.parts.IPartRenderHelper; import appeng.client.texture.CableBusTextures; import appeng.me.GridAccessException; import appeng.parts.AEBasePart; import appeng.util.Platform; public class PartMonitor extends AEBasePart implements IPartMonitor, IPowerChannelState { protected static final int POWERED_FLAG = 4; protected static final int CHANNEL_FLAG = 16; private static final int BOOTING_FLAG = 8; // CableBusTextures frontSolid = CableBusTextures.PartMonitor_Solid; CableBusTextures frontDark = CableBusTextures.PartMonitor_Colored; CableBusTextures frontBright = CableBusTextures.PartMonitor_Bright; CableBusTextures frontColored = CableBusTextures.PartMonitor_Colored; boolean notLightSource = !this.getClass().equals(PartMonitor.class); byte spin = 0; // 0-3 int clientFlags = 0; // sent as byte. float opacity = -1; public PartMonitor(ItemStack is) { this(is, false); } protected PartMonitor(ItemStack is, boolean requireChannel) { super(is); if (requireChannel) { this.proxy.setFlags(GridFlags.REQUIRE_CHANNEL); this.proxy.setIdlePowerUsage(1.0 / 2.0); } else { this.proxy.setIdlePowerUsage(1.0 / 16.0); // lights drain a little bit. } } @MENetworkEventSubscribe public void bootingRender(MENetworkBootingStatusChange c) { if (this.notLightSource) { this.getHost().markForUpdate(); } } @MENetworkEventSubscribe public void powerRender(MENetworkPowerStatusChange c) { this.getHost().markForUpdate(); } @Override public void getBoxes(IPartCollisionHelper bch) { bch.addBox(2, 2, 14, 14, 14, 16); bch.addBox(4, 4, 13, 12, 12, 14); } @Override @SideOnly(Side.CLIENT) public void renderInventory(IPartRenderHelper rh, RenderBlocks renderer) { rh.setBounds(2, 2, 14, 14, 14, 16); rh.setTexture(CableBusTextures.PartMonitorSides.getIcon(), CableBusTextures.PartMonitorSides.getIcon(), CableBusTextures.PartMonitorBack.getIcon(), this.is.getIconIndex(), CableBusTextures.PartMonitorSides.getIcon(), CableBusTextures.PartMonitorSides.getIcon()); rh.renderInventoryBox(renderer); rh.setInvColor(this.getColor().whiteVariant); rh.renderInventoryFace(this.frontBright.getIcon(), ForgeDirection.SOUTH, renderer); rh.setInvColor(this.getColor().mediumVariant); rh.renderInventoryFace(this.frontDark.getIcon(), ForgeDirection.SOUTH, renderer); rh.setInvColor(this.getColor().blackVariant); rh.renderInventoryFace(this.frontColored.getIcon(), ForgeDirection.SOUTH, renderer); rh.setBounds(4, 4, 13, 12, 12, 14); rh.renderInventoryBox(renderer); } @Override @SideOnly(Side.CLIENT) public void renderStatic(int x, int y, int z, IPartRenderHelper rh, RenderBlocks renderer) { this.renderCache = rh.useSimplifiedRendering(x, y, z, this, this.renderCache); rh.setTexture(CableBusTextures.PartMonitorSides.getIcon(), CableBusTextures.PartMonitorSides.getIcon(), CableBusTextures.PartMonitorBack.getIcon(), this.is.getIconIndex(), CableBusTextures.PartMonitorSides.getIcon(), CableBusTextures.PartMonitorSides.getIcon()); rh.setBounds(2, 2, 14, 14, 14, 16); rh.renderBlock(x, y, z, renderer); if (this.getLightLevel() > 0) { int l = 13; Tessellator.instance.setBrightness(l << 20 | l << 4); } renderer.uvRotateBottom = renderer.uvRotateEast = renderer.uvRotateNorth = renderer.uvRotateSouth = renderer.uvRotateTop = renderer.uvRotateWest = this.spin; Tessellator.instance.setColorOpaque_I(this.getColor().whiteVariant); rh.renderFace(x, y, z, this.frontBright.getIcon(), ForgeDirection.SOUTH, renderer); Tessellator.instance.setColorOpaque_I(this.getColor().mediumVariant); rh.renderFace(x, y, z, this.frontDark.getIcon(), ForgeDirection.SOUTH, renderer); Tessellator.instance.setColorOpaque_I(this.getColor().blackVariant); rh.renderFace(x, y, z, this.frontColored.getIcon(), ForgeDirection.SOUTH, renderer); renderer.uvRotateBottom = renderer.uvRotateEast = renderer.uvRotateNorth = renderer.uvRotateSouth = renderer.uvRotateTop = renderer.uvRotateWest = 0; if (this.notLightSource) { rh.setTexture(CableBusTextures.PartMonitorSidesStatus.getIcon(), CableBusTextures.PartMonitorSidesStatus.getIcon(), CableBusTextures.PartMonitorBack.getIcon(), this.is.getIconIndex(), CableBusTextures.PartMonitorSidesStatus.getIcon(), CableBusTextures.PartMonitorSidesStatus.getIcon()); } rh.setBounds(4, 4, 13, 12, 12, 14); rh.renderBlock(x, y, z, renderer); if (this.notLightSource) { boolean hasChan = (this.clientFlags & (this.POWERED_FLAG | this.CHANNEL_FLAG)) == (this.POWERED_FLAG | this.CHANNEL_FLAG); boolean hasPower = (this.clientFlags & this.POWERED_FLAG) == this.POWERED_FLAG; if (hasChan) { int l = 14; Tessellator.instance.setBrightness(l << 20 | l << 4); Tessellator.instance.setColorOpaque_I(this.getColor().blackVariant); } else if (hasPower) { int l = 9; Tessellator.instance.setBrightness(l << 20 | l << 4); Tessellator.instance.setColorOpaque_I(this.getColor().whiteVariant); } else { Tessellator.instance.setBrightness(0); Tessellator.instance.setColorOpaque_I(0x000000); } rh.renderFace(x, y, z, CableBusTextures.PartMonitorSidesStatusLights.getIcon(), ForgeDirection.EAST, renderer); rh.renderFace(x, y, z, CableBusTextures.PartMonitorSidesStatusLights.getIcon(), ForgeDirection.WEST, renderer); rh.renderFace(x, y, z, CableBusTextures.PartMonitorSidesStatusLights.getIcon(), ForgeDirection.UP, renderer); rh.renderFace(x, y, z, CableBusTextures.PartMonitorSidesStatusLights.getIcon(), ForgeDirection.DOWN, renderer); } } @Override public void onNeighborChanged() { this.opacity = -1; this.getHost().markForUpdate(); } @Override public void readFromNBT(NBTTagCompound data) { super.readFromNBT(data); if (data.hasKey("opacity")) { this.opacity = data.getFloat("opacity"); } this.spin = data.getByte("spin"); } @Override public void writeToNBT(NBTTagCompound data) { super.writeToNBT(data); data.setFloat("opacity", this.opacity); data.setByte("spin", this.spin); } @Override public void writeToStream(ByteBuf data) throws IOException { super.writeToStream(data); this.clientFlags = this.spin & 3; try { if (this.proxy.getEnergy().isNetworkPowered()) { this.clientFlags |= this.POWERED_FLAG; } if (this.proxy.getPath().isNetworkBooting()) { this.clientFlags |= this.BOOTING_FLAG; } if (this.proxy.getNode().meetsChannelRequirements()) { this.clientFlags |= this.CHANNEL_FLAG; } } catch (GridAccessException e) { // um.. nothing. } data.writeByte((byte) this.clientFlags); } @Override public boolean readFromStream(ByteBuf data) throws IOException { super.readFromStream(data); int oldFlags = this.clientFlags; this.clientFlags = data.readByte(); this.spin = (byte) (this.clientFlags & 3); if (this.clientFlags == oldFlags) { return false; } return true; } @Override public int getLightLevel() { return this.blockLight(this.isPowered() ? (this.notLightSource ? 9 : 15) : 0); } @Override public boolean onPartActivate(EntityPlayer player, Vec3 pos) { TileEntity te = this.getTile(); if (!player.isSneaking() && Platform.isWrench(player, player.inventory.getCurrentItem(), te.xCoord, te.yCoord, te.zCoord)) { if (Platform.isServer()) { if (this.spin > 3) { this.spin = 0; } switch (this.spin) { case 0: this.spin = 1; break; case 1: this.spin = 3; break; case 2: this.spin = 0; break; case 3: this.spin = 2; break; } this.host.markForUpdate(); this.saveChanges(); } return true; } else { return super.onPartActivate(player, pos); } } @Override public void onPlacement(EntityPlayer player, ItemStack held, ForgeDirection side) { super.onPlacement(player, held, side); byte rotation = (byte) (MathHelper.floor_double((player.rotationYaw * 4F) / 360F + 2.5D) & 3); if (side == ForgeDirection.UP) { this.spin = rotation; } else if (side == ForgeDirection.DOWN) { this.spin = rotation; } } private int blockLight(int emit) { if (this.opacity < 0) { TileEntity te = this.getTile(); this.opacity = 255 - te.getWorldObj().getBlockLightOpacity(te.xCoord + this.side.offsetX, te.yCoord + this.side.offsetY, te.zCoord + this.side.offsetZ); } return (int) (emit * (this.opacity / 255.0f)); } @Override public boolean isPowered() { try { if (Platform.isServer()) { return this.proxy.getEnergy().isNetworkPowered(); } else { return ((this.clientFlags & this.POWERED_FLAG) == this.POWERED_FLAG); } } catch (GridAccessException e) { return false; } } @Override public boolean isActive() { if (this.notLightSource) { return ((this.clientFlags & (this.CHANNEL_FLAG | this.POWERED_FLAG)) == (this.CHANNEL_FLAG | this.POWERED_FLAG)); } else { return this.isPowered(); } } }