/*
* 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.automation;
import java.util.List;
import com.google.common.collect.Lists;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.init.Blocks;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraft.world.WorldServer;
import appeng.api.config.Actionable;
import appeng.api.config.PowerMultiplier;
import appeng.api.networking.IGridNode;
import appeng.api.networking.energy.IEnergyGrid;
import appeng.api.networking.events.MENetworkChannelsChanged;
import appeng.api.networking.events.MENetworkEventSubscribe;
import appeng.api.networking.events.MENetworkPowerStatusChange;
import appeng.api.networking.security.BaseActionSource;
import appeng.api.networking.security.MachineSource;
import appeng.api.networking.storage.IStorageGrid;
import appeng.api.networking.ticking.IGridTickable;
import appeng.api.networking.ticking.TickRateModulation;
import appeng.api.networking.ticking.TickingRequest;
import appeng.api.parts.IPart;
import appeng.api.parts.IPartCollisionHelper;
import appeng.api.parts.IPartHost;
import appeng.api.parts.IPartModel;
import appeng.api.storage.data.IAEItemStack;
import appeng.api.util.AECableType;
import appeng.api.util.AEPartLocation;
import appeng.core.settings.TickRates;
import appeng.core.sync.packets.PacketTransitionEffect;
import appeng.hooks.TickHandler;
import appeng.items.parts.PartModels;
import appeng.me.GridAccessException;
import appeng.parts.PartBasicState;
import appeng.server.ServerHelper;
import appeng.util.IWorldCallable;
import appeng.util.Platform;
import appeng.util.item.AEItemStack;
public class PartAnnihilationPlane extends PartBasicState implements IGridTickable, IWorldCallable<TickRateModulation>
{
private static final PlaneModels MODELS = new PlaneModels( "part/annihilation_plane_", "part/annihilation_plane_on_" );
@PartModels
public static List<IPartModel> getModels()
{
return MODELS.getModels();
}
private final BaseActionSource mySrc = new MachineSource( this );
private boolean isAccepting = true;
private boolean breaking = false;
public PartAnnihilationPlane( final ItemStack is )
{
super( is );
}
@Override
public TickRateModulation call( final World world ) throws Exception
{
this.breaking = false;
return this.breakBlock( true );
}
@Override
public void getBoxes( final IPartCollisionHelper bch )
{
int minX = 1;
int minY = 1;
int maxX = 15;
int maxY = 15;
final IPartHost host = this.getHost();
if( host != null )
{
final TileEntity te = host.getTile();
final BlockPos pos = te.getPos();
final EnumFacing e = bch.getWorldX();
final EnumFacing u = bch.getWorldY();
if( this.isAnnihilationPlane( te.getWorld().getTileEntity( pos.offset( e.getOpposite() ) ), this.getSide() ) )
{
minX = 0;
}
if( this.isAnnihilationPlane( te.getWorld().getTileEntity( pos.offset( e ) ), this.getSide() ) )
{
maxX = 16;
}
if( this.isAnnihilationPlane( te.getWorld().getTileEntity( pos.offset( u.getOpposite() ) ), this.getSide() ) )
{
minY = 0;
}
if( this.isAnnihilationPlane( te.getWorld().getTileEntity( pos.offset( e ) ), this.getSide() ) )
{
maxY = 16;
}
}
bch.addBox( 5, 5, 14, 11, 11, 15 );
// The smaller collision hitbox here is needed to allow for the entity collision event
bch.addBox( minX, minY, 15, maxX, maxY, bch.isBBCollision() ? 15 : 16 );
}
/**
* @return An object describing which adjacent planes this plane connects to visually.
*/
public PlaneConnections getConnections()
{
final EnumFacing facingRight, facingUp;
AEPartLocation location = getSide();
switch( location )
{
case UP:
facingRight = EnumFacing.EAST;
facingUp = EnumFacing.NORTH;
break;
case DOWN:
facingRight = EnumFacing.WEST;
facingUp = EnumFacing.NORTH;
break;
case NORTH:
facingRight = EnumFacing.WEST;
facingUp = EnumFacing.UP;
break;
case SOUTH:
facingRight = EnumFacing.EAST;
facingUp = EnumFacing.UP;
break;
case WEST:
facingRight = EnumFacing.SOUTH;
facingUp = EnumFacing.UP;
break;
case EAST:
facingRight = EnumFacing.NORTH;
facingUp = EnumFacing.UP;
break;
default:
case INTERNAL:
return PlaneConnections.of( false, false, false, false );
}
boolean left = false, right = false, down = false, up = false;
final IPartHost host = this.getHost();
if( host != null )
{
final TileEntity te = host.getTile();
final BlockPos pos = te.getPos();
if( this.isAnnihilationPlane( te.getWorld().getTileEntity( pos.offset( facingRight.getOpposite() ) ), this.getSide() ) )
{
left = true;
}
if( this.isAnnihilationPlane( te.getWorld().getTileEntity( pos.offset( facingRight ) ), this.getSide() ) )
{
right = true;
}
if( this.isAnnihilationPlane( te.getWorld().getTileEntity( pos.offset( facingUp.getOpposite() ) ), this.getSide() ) )
{
down = true;
}
if( this.isAnnihilationPlane( te.getWorld().getTileEntity( pos.offset( facingUp ) ), this.getSide() ) )
{
up = true;
}
}
return PlaneConnections.of( up, right, down, left );
}
@Override
public void onNeighborChanged()
{
this.isAccepting = true;
try
{
this.getProxy().getTick().alertDevice( this.getProxy().getNode() );
}
catch( final GridAccessException e )
{
// :P
}
}
@Override
public void onEntityCollision( final Entity entity )
{
if( this.isAccepting && entity instanceof EntityItem && !entity.isDead && Platform.isServer() && this.getProxy().isActive() )
{
boolean capture = false;
final BlockPos pos = this.getTile().getPos();
// This is the middle point of the entities BB, which is better suited for comparisons that don't rely on it
// "touching" the plane
double posYMiddle = ( entity.getEntityBoundingBox().minY + entity.getEntityBoundingBox().maxY ) / 2.0D;
switch( this.getSide() )
{
case DOWN:
case UP:
if( entity.posX > pos.getX() && entity.posX < pos.getX() + 1 )
{
if( entity.posZ > pos.getZ() && entity.posZ < pos.getZ() + 1 )
{
if( ( entity.posY > pos.getY() + 0.9 && this.getSide() == AEPartLocation.UP ) || ( entity.posY < pos.getY() + 0.1 && this
.getSide() == AEPartLocation.DOWN ) )
{
capture = true;
}
}
}
break;
case SOUTH:
case NORTH:
if( entity.posX > pos.getX() && entity.posX < pos.getX() + 1 )
{
if( posYMiddle > pos.getY() && posYMiddle < pos.getY() + 1 )
{
if( ( entity.posZ > pos.getZ() + 0.9 && this.getSide() == AEPartLocation.SOUTH ) || ( entity.posZ < pos.getZ() + 0.1 && this
.getSide() == AEPartLocation.NORTH ) )
{
capture = true;
}
}
}
break;
case EAST:
case WEST:
if( entity.posZ > pos.getZ() && entity.posZ < pos.getZ() + 1 )
{
if( posYMiddle > pos.getY() && posYMiddle < pos.getY() + 1 )
{
if( ( entity.posX > pos.getX() + 0.9 && this.getSide() == AEPartLocation.EAST ) || ( entity.posX < pos.getX() + 0.1 && this
.getSide() == AEPartLocation.WEST ) )
{
capture = true;
}
}
}
break;
default:
// umm?
break;
}
if( capture )
{
final boolean changed = this.storeEntityItem( (EntityItem) entity );
if( changed )
{
ServerHelper.proxy.sendToAllNearExcept( null, pos.getX(), pos.getY(), pos.getZ(), 64, this.getTile().getWorld(),
new PacketTransitionEffect( entity.posX, entity.posY, entity.posZ, this.getSide(), false ) );
}
}
}
}
@Override
public float getCableConnectionLength( AECableType cable )
{
return 1;
}
/**
* Stores an {@link EntityItem} inside the network and either marks it as dead or sets it to the leftover stackSize.
*
* @param entityItem {@link EntityItem} to store
*/
private boolean storeEntityItem( final EntityItem entityItem )
{
if( !entityItem.isDead )
{
final IAEItemStack overflow = this.storeItemStack( entityItem.getEntityItem() );
return this.handleOverflow( entityItem, overflow );
}
return false;
}
/**
* Stores an {@link ItemStack} inside the network.
*
* @param item {@link ItemStack} to store
*
* @return the leftover items, which could not be stored inside the network
*/
private IAEItemStack storeItemStack( final ItemStack item )
{
final IAEItemStack itemToStore = AEItemStack.create( item );
try
{
final IStorageGrid storage = this.getProxy().getStorage();
final IEnergyGrid energy = this.getProxy().getEnergy();
final IAEItemStack overflow = Platform.poweredInsert( energy, storage.getItemInventory(), itemToStore, this.mySrc );
this.isAccepting = overflow == null;
return overflow;
}
catch( final GridAccessException e1 )
{
// :P
}
return null;
}
/**
* Handles a possible overflow or none at all.
* It will update the entity to match the leftover stack size as well as mark it as dead without any leftover
* amount.
*
* @param entityItem the entity to update or destroy
* @param overflow the leftover {@link IAEItemStack}
*
* @return true, if the entity was changed otherwise false.
*/
private boolean handleOverflow( final EntityItem entityItem, final IAEItemStack overflow )
{
if( overflow == null || overflow.getStackSize() == 0 )
{
entityItem.setDead();
return true;
}
final int oldStackSize = entityItem.getEntityItem().stackSize;
final int newStackSize = (int) overflow.getStackSize();
final boolean changed = oldStackSize != newStackSize;
entityItem.getEntityItem().stackSize = newStackSize;
return changed;
}
/**
* Spawns an overflow item as new {@link EntityItem} into the {@link World}
*
* @param overflow the item to spawn
*/
private void spawnOverflow( final IAEItemStack overflow )
{
if( overflow == null )
{
return;
}
final TileEntity te = this.getTile();
final WorldServer w = (WorldServer) te.getWorld();
final BlockPos offset = te.getPos().offset( this.getSide().getFacing() );
final BlockPos add = offset.add( .5, .5, .5 );
final double x = add.getX();
final double y = add.getY();
final double z = add.getZ();
final EntityItem overflowEntity = new EntityItem( w, x, y, z, overflow.getItemStack() );
overflowEntity.motionX = 0;
overflowEntity.motionY = 0;
overflowEntity.motionZ = 0;
w.spawnEntityInWorld( overflowEntity );
}
protected boolean isAnnihilationPlane( final TileEntity blockTileEntity, final AEPartLocation side )
{
if( blockTileEntity instanceof IPartHost )
{
final IPart p = ( (IPartHost) blockTileEntity ).getPart( side );
return p != null && p.getClass() == this.getClass();
}
return false;
}
@Override
@MENetworkEventSubscribe
public void chanRender( final MENetworkChannelsChanged c )
{
this.onNeighborChanged();
this.getHost().markForUpdate();
}
@Override
@MENetworkEventSubscribe
public void powerRender( final MENetworkPowerStatusChange c )
{
this.onNeighborChanged();
this.getHost().markForUpdate();
}
private TickRateModulation breakBlock( final boolean modulate )
{
if( this.isAccepting && this.getProxy().isActive() )
{
try
{
final TileEntity te = this.getTile();
final WorldServer w = (WorldServer) te.getWorld();
final BlockPos pos = te.getPos().offset( this.getSide().getFacing() );
final IEnergyGrid energy = this.getProxy().getEnergy();
if( this.canHandleBlock( w, pos ) )
{
final List<ItemStack> items = this.obtainBlockDrops( w, pos );
final float requiredPower = this.calculateEnergyUsage( w, pos, items );
final boolean hasPower = energy.extractAEPower( requiredPower, Actionable.SIMULATE, PowerMultiplier.CONFIG ) > requiredPower - 0.1;
final boolean canStore = this.canStoreItemStacks( items );
if( hasPower && canStore )
{
if( modulate )
{
energy.extractAEPower( requiredPower, Actionable.MODULATE, PowerMultiplier.CONFIG );
this.breakBlockAndStoreItems( w, pos, items );
ServerHelper.proxy.sendToAllNearExcept( null, pos.getX(), pos.getY(), pos.getZ(), 64, w,
new PacketTransitionEffect( pos.getX(), pos.getY(), pos.getZ(), this.getSide(), true ) );
}
else
{
this.breaking = true;
TickHandler.INSTANCE.addCallable( this.getTile().getWorld(), this );
}
return TickRateModulation.URGENT;
}
}
}
catch( final GridAccessException e1 )
{
// :P
}
}
// nothing to do here :)
return TickRateModulation.IDLE;
}
@Override
public TickingRequest getTickingRequest( final IGridNode node )
{
return new TickingRequest( TickRates.AnnihilationPlane.getMin(), TickRates.AnnihilationPlane.getMax(), false, true );
}
@Override
public TickRateModulation tickingRequest( final IGridNode node, final int ticksSinceLastCall )
{
if( this.breaking )
{
return TickRateModulation.URGENT;
}
this.isAccepting = true;
return this.breakBlock( false );
}
/**
* Checks if this plane can handle the block at the specific coordinates.
*/
private boolean canHandleBlock( final WorldServer w, final BlockPos pos )
{
final IBlockState state = w.getBlockState( pos );
final Material material = state.getMaterial();
final float hardness = state.getBlockHardness( w, pos );
final boolean ignoreMaterials = material == Material.AIR || material == Material.LAVA || material == Material.WATER || material.isLiquid();
final boolean ignoreBlocks = state.getBlock() == Blocks.BEDROCK || state.getBlock() == Blocks.END_PORTAL || state
.getBlock() == Blocks.END_PORTAL_FRAME || state.getBlock() == Blocks.COMMAND_BLOCK;
return !ignoreMaterials && !ignoreBlocks && hardness >= 0f && !w.isAirBlock( pos ) && w.isBlockLoaded( pos ) && w.canMineBlockBody(
Platform.getPlayer( w ),
pos );
}
protected List<ItemStack> obtainBlockDrops( final WorldServer w, final BlockPos pos )
{
final ItemStack[] out = Platform.getBlockDrops( w, pos );
return Lists.newArrayList( out );
}
/**
* Checks if this plane can handle the block at the specific coordinates.
*/
protected float calculateEnergyUsage( final WorldServer w, final BlockPos pos, final List<ItemStack> items )
{
final IBlockState state = w.getBlockState( pos );
final float hardness = state.getBlockHardness( w, pos );
float requiredEnergy = 1 + hardness;
for( final ItemStack is : items )
{
requiredEnergy += is.stackSize;
}
return requiredEnergy;
}
/**
* Checks if the network can store the possible drops.
*
* It also sets isAccepting to false, if the item can not be stored.
*
* @param itemStacks an array of {@link ItemStack} to test
*
* @return true, if the network can store at least a single item of all drops or no drops are reported
*/
private boolean canStoreItemStacks( final List<ItemStack> itemStacks )
{
boolean canStore = itemStacks.isEmpty();
try
{
final IStorageGrid storage = this.getProxy().getStorage();
for( final ItemStack itemStack : itemStacks )
{
final IAEItemStack itemToTest = AEItemStack.create( itemStack );
final IAEItemStack overflow = storage.getItemInventory().injectItems( itemToTest, Actionable.SIMULATE, this.mySrc );
if( overflow == null || itemToTest.getStackSize() > overflow.getStackSize() )
{
canStore = true;
}
}
}
catch( final GridAccessException e )
{
// :P
}
this.isAccepting = canStore;
return canStore;
}
private void breakBlockAndStoreItems( final WorldServer w, final BlockPos pos, final List<ItemStack> items )
{
w.setBlockToAir( pos );
final AxisAlignedBB box = new AxisAlignedBB( pos.getX() - 0.2, pos.getY() - 0.2, pos.getZ() - 0.2, pos.getX() + 1.2, pos.getY() + 1.2, pos
.getZ() + 1.2 );
for( final Object ei : w.getEntitiesWithinAABB( EntityItem.class, box ) )
{
if( ei instanceof EntityItem )
{
final EntityItem entityItem = (EntityItem) ei;
this.storeEntityItem( entityItem );
}
}
for( final ItemStack snaggedItem : items )
{
final IAEItemStack overflow = this.storeItemStack( snaggedItem );
this.spawnOverflow( overflow );
}
}
@Override
public IPartModel getStaticModels()
{
return MODELS.getModel( getConnections(), isPowered(), isActive() );
}
}