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PipeItemsObsidian.java
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PipeItemsObsidian.java
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/**
* BuildCraft is open-source. It is distributed under the terms of the
* BuildCraft Open Source License. It grants rights to read, modify, compile or
* run the code. It does *NOT* grant the right to redistribute this software or
* its modifications in any form, binary or source, except if expressively
* granted by the copyright holder.
*/
package buildcraft.transport.pipes;
import buildcraft.BuildCraftTransport;
import buildcraft.api.core.IIconProvider;
import buildcraft.api.core.Position;
import buildcraft.api.power.IPowerReceptor;
import buildcraft.api.power.PowerHandler;
import buildcraft.api.power.PowerHandler.PowerReceiver;
import buildcraft.api.power.PowerHandler.Type;
import buildcraft.core.inventory.ITransactor;
import buildcraft.core.inventory.Transactor;
import buildcraft.core.inventory.filters.StackFilter;
import buildcraft.transport.TravelingItem;
import buildcraft.core.proxy.CoreProxy;
import buildcraft.transport.Pipe;
import buildcraft.transport.PipeIconProvider;
import buildcraft.transport.PipeTransportItems;
import buildcraft.transport.utils.TransportUtils;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.util.Arrays;
import java.util.List;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.item.EntityMinecartChest;
import net.minecraft.entity.projectile.EntityArrow;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.AxisAlignedBB;
import net.minecraftforge.common.ForgeDirection;
public class PipeItemsObsidian extends Pipe<PipeTransportItems> implements IPowerReceptor {
private static final PowerHandler.PerditionCalculator PERDITION = new PowerHandler.PerditionCalculator(0.5F);
private PowerHandler powerHandler;
private int[] entitiesDropped;
private int entitiesDroppedIndex = 0;
public PipeItemsObsidian(int itemID) {
super(new PipeTransportItems(), itemID);
entitiesDropped = new int[32];
Arrays.fill(entitiesDropped, -1);
powerHandler = new PowerHandler(this, Type.MACHINE);
powerHandler.configure(1, 64, 1, 256);
powerHandler.setPerdition(PERDITION);
}
@Override
@SideOnly(Side.CLIENT)
public IIconProvider getIconProvider() {
return BuildCraftTransport.instance.pipeIconProvider;
}
@Override
public int getIconIndex(ForgeDirection direction) {
return PipeIconProvider.TYPE.PipeItemsObsidian.ordinal();
}
@Override
public void onEntityCollidedWithBlock(Entity entity) {
super.onEntityCollidedWithBlock(entity);
if (entity.isDead)
return;
if (canSuck(entity, 0)) {
pullItemIntoPipe(entity, 0);
}
}
private AxisAlignedBB getSuckingBox(ForgeDirection orientation, int distance) {
if (orientation == ForgeDirection.UNKNOWN)
return null;
Position p1 = new Position(container.xCoord, container.yCoord, container.zCoord, orientation);
Position p2 = new Position(container.xCoord, container.yCoord, container.zCoord, orientation);
switch (orientation) {
case EAST:
p1.x += distance;
p2.x += 1 + distance;
break;
case WEST:
p1.x -= (distance - 1);
p2.x -= distance;
break;
case UP:
case DOWN:
p1.x += distance + 1;
p2.x -= distance;
p1.z += distance + 1;
p2.z -= distance;
break;
case SOUTH:
p1.z += distance;
p2.z += distance + 1;
break;
case NORTH:
default:
p1.z -= (distance - 1);
p2.z -= distance;
break;
}
switch (orientation) {
case EAST:
case WEST:
p1.y += distance + 1;
p2.y -= distance;
p1.z += distance + 1;
p2.z -= distance;
break;
case UP:
p1.y += distance + 1;
p2.y += distance;
break;
case DOWN:
p1.y -= (distance - 1);
p2.y -= distance;
break;
case SOUTH:
case NORTH:
default:
p1.y += distance + 1;
p2.y -= distance;
p1.x += distance + 1;
p2.x -= distance;
break;
}
Position min = p1.min(p2);
Position max = p1.max(p2);
return AxisAlignedBB.getAABBPool().getAABB(min.x, min.y, min.z, max.x, max.y, max.z);
}
@Override
public void doWork(PowerHandler workProvider) {
for (int j = 1; j < 5; ++j) {
if (suckItem(j))
return;
}
}
private boolean suckItem(int distance) {
AxisAlignedBB box = getSuckingBox(getOpenOrientation(), distance);
if (box == null)
return false;
@SuppressWarnings("rawtypes")
List<Entity> discoveredEntities = (List<Entity>) container.worldObj.getEntitiesWithinAABB(Entity.class, box);
for (Entity entity : discoveredEntities) {
if (canSuck(entity, distance)) {
pullItemIntoPipe(entity, distance);
return true;
}
if (distance == 1 && entity instanceof EntityMinecartChest) {
EntityMinecartChest cart = (EntityMinecartChest) entity;
if (!cart.isDead) {
ITransactor trans = Transactor.getTransactorFor(cart);
ForgeDirection openOrientation = getOpenOrientation();
ItemStack stack = trans.remove(StackFilter.ALL, openOrientation, false);
if (stack != null && powerHandler.useEnergy(1, 1, true) == 1) {
trans.remove(StackFilter.ALL, openOrientation, true);
EntityItem entityitem = new EntityItem(container.worldObj, cart.posX, cart.posY + 0.3F, cart.posZ, stack);
entityitem.delayBeforeCanPickup = 10;
container.worldObj.spawnEntityInWorld(entityitem);
pullItemIntoPipe(entityitem, 1);
return true;
}
}
}
}
return false;
}
public void pullItemIntoPipe(Entity entity, int distance) {
if (CoreProxy.proxy.isRenderWorld(container.worldObj))
return;
ForgeDirection orientation = getOpenOrientation().getOpposite();
if (orientation != ForgeDirection.UNKNOWN) {
container.worldObj.playSoundAtEntity(entity, "random.pop", 0.2F, ((container.worldObj.rand.nextFloat() - container.worldObj.rand.nextFloat()) * 0.7F + 1.0F) * 2.0F);
ItemStack stack = null;
double speed = 0.01F;
if (entity instanceof EntityItem) {
EntityItem item = (EntityItem) entity;
ItemStack contained = item.getEntityItem();
CoreProxy.proxy.obsidianPipePickup(container.worldObj, item, this.container);
float energyUsed = powerHandler.useEnergy(distance, contained.stackSize * distance, true);
if (distance == 0 || energyUsed / distance == contained.stackSize) {
stack = contained;
CoreProxy.proxy.removeEntity(entity);
} else {
stack = contained.splitStack((int) (energyUsed / distance));
}
speed = Math.sqrt(item.motionX * item.motionX + item.motionY * item.motionY + item.motionZ * item.motionZ);
speed = speed / 2F - 0.05;
if (speed < 0.01) {
speed = 0.01;
}
} else if (entity instanceof EntityArrow) {
powerHandler.useEnergy(distance, distance, true);
stack = new ItemStack(Item.arrow, 1);
CoreProxy.proxy.removeEntity(entity);
}
TravelingItem passive = new TravelingItem(container.xCoord + 0.5, container.yCoord + TransportUtils.getPipeFloorOf(stack), container.zCoord + 0.5, stack);
passive.setSpeed((float) speed);
transport.injectItem(passive, orientation);
}
}
@Override
public void onDropped(EntityItem item) {
if (entitiesDroppedIndex + 1 >= entitiesDropped.length) {
entitiesDroppedIndex = 0;
} else {
entitiesDroppedIndex++;
}
entitiesDropped[entitiesDroppedIndex] = item.entityId;
}
public boolean canSuck(Entity entity, int distance) {
if (!entity.isEntityAlive())
return false;
if (entity instanceof EntityItem) {
EntityItem item = (EntityItem) entity;
if (item.getEntityItem().stackSize <= 0)
return false;
for (int i = 0; i < entitiesDropped.length; ++i) {
if (item.entityId == entitiesDropped[i])
return false;
}
return powerHandler.useEnergy(1, distance, false) >= distance;
} else if (entity instanceof EntityArrow) {
EntityArrow arrow = (EntityArrow) entity;
return arrow.canBePickedUp == 1 && powerHandler.useEnergy(1, distance, false) >= distance;
}
return false;
}
@Override
public PowerReceiver getPowerReceiver(ForgeDirection side) {
return powerHandler.getPowerReceiver();
}
}