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DockingStation.java
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DockingStation.java
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/**
* Copyright (c) 2011-2015, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
*
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.api.robots;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;
import net.minecraftforge.common.util.ForgeDirection;
import buildcraft.api.core.BlockIndex;
import buildcraft.api.transport.IPipeTile;
public class DockingStation {
public ForgeDirection side;
public World world;
private long robotTakingId = EntityRobotBase.NULL_ROBOT_ID;
private EntityRobotBase robotTaking;
private boolean linkIsMain = false;
private BlockIndex index;
private IPipeTile pipe;
public DockingStation(BlockIndex iIndex, ForgeDirection iSide) {
index = iIndex;
side = iSide;
}
public DockingStation(IPipeTile iPipe, ForgeDirection iSide) {
index = new BlockIndex(iPipe.x(), iPipe.y(), iPipe.z());
pipe = iPipe;
side = iSide;
world = iPipe.getWorld();
}
public DockingStation() {
}
public boolean isMainStation() {
return linkIsMain;
}
public IPipeTile getPipe() {
if (pipe == null) {
pipe = (IPipeTile) world.getTileEntity(index.x, index.y, index.z);
}
if (pipe == null || ((TileEntity) pipe).isInvalid()) {
// Inconsistency - remove this pipe from the registry.
RobotManager.registryProvider.getRegistry(world).removeStation(this);
pipe = null;
}
return pipe;
}
public int x() {
return index.x;
}
public int y() {
return index.y;
}
public int z() {
return index.z;
}
public ForgeDirection side() {
return side;
}
public EntityRobotBase robotTaking() {
if (robotTakingId == EntityRobotBase.NULL_ROBOT_ID) {
return null;
} else if (robotTaking == null) {
robotTaking = RobotManager.registryProvider.getRegistry(world).getLoadedRobot(robotTakingId);
}
return robotTaking;
}
public void invalidateRobotTakingEntity() {
robotTaking = null;
}
public long linkedId() {
return robotTakingId;
}
public boolean takeAsMain(EntityRobotBase robot) {
if (robotTakingId == EntityRobotBase.NULL_ROBOT_ID) {
IRobotRegistry registry = RobotManager.registryProvider.getRegistry(world);
linkIsMain = true;
robotTaking = robot;
robotTakingId = robot.getRobotId();
getPipe().scheduleRenderUpdate();
registry.markDirty();
robot.setMainStation(this);
registry.take(this, robot.getRobotId());
return true;
} else {
return robotTakingId == robot.getRobotId();
}
}
public boolean take(EntityRobotBase robot) {
if (robotTaking == null) {
IRobotRegistry registry = RobotManager.registryProvider.getRegistry(world);
linkIsMain = false;
robotTaking = robot;
robotTakingId = robot.getRobotId();
getPipe().scheduleRenderUpdate();
registry.markDirty();
registry.take(this, robot.getRobotId());
return true;
} else {
return robot.getRobotId() == robotTakingId;
}
}
public void release(EntityRobotBase robot) {
if (robotTaking == robot && !linkIsMain) {
IRobotRegistry registry = RobotManager.registryProvider.getRegistry(world);
unsafeRelease(robot);
registry.markDirty();
registry.release(this, robot.getRobotId());
}
}
/**
* Same a release but doesn't clear the registry (presumably called from the
* registry).
*/
public void unsafeRelease(EntityRobotBase robot) {
if (robotTaking == robot) {
linkIsMain = false;
robotTaking = null;
robotTakingId = EntityRobotBase.NULL_ROBOT_ID;
getPipe().scheduleRenderUpdate();
}
}
public void writeToNBT(NBTTagCompound nbt) {
NBTTagCompound indexNBT = new NBTTagCompound();
index.writeTo(indexNBT);
nbt.setTag("index", indexNBT);
nbt.setByte("side", (byte) side.ordinal());
nbt.setBoolean("isMain", linkIsMain);
nbt.setLong("robotId", robotTakingId);
}
public void readFromNBT(NBTTagCompound nbt) {
index = new BlockIndex (nbt.getCompoundTag("index"));
side = ForgeDirection.values()[nbt.getByte("side")];
linkIsMain = nbt.getBoolean("isMain");
robotTakingId = nbt.getLong("robotId");
}
public boolean isTaken() {
return robotTakingId != EntityRobotBase.NULL_ROBOT_ID;
}
public long robotIdTaking() {
return robotTakingId;
}
public BlockIndex index() {
return index;
}
@Override
public String toString() {
return "{" + index.x + ", " + index.y + ", " + index.z + ", " + side + " :" + robotTakingId + "}";
}
public boolean linkIsDocked() {
if (isTaken()) {
return robotTaking().getDockingStation() == this;
} else {
return false;
}
}
public boolean canRelease() {
return !isMainStation() && !linkIsDocked();
}
}