/**
* Copyright (c) 2011-2014, 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.core.robots.boards;
import java.util.LinkedList;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import buildcraft.api.boards.RedstoneBoardRobot;
import buildcraft.api.boards.RedstoneBoardRobotNBT;
import buildcraft.api.robots.AIRobot;
import buildcraft.api.robots.EntityRobotBase;
import buildcraft.builders.TileConstructionMarker;
import buildcraft.core.builders.BuildingItem;
import buildcraft.core.builders.BuildingSlot;
import buildcraft.core.inventory.filters.ArrayStackFilter;
import buildcraft.core.robots.AIRobotGotoBlock;
import buildcraft.core.robots.AIRobotGotoSleep;
import buildcraft.core.robots.AIRobotGotoStationToLoad;
import buildcraft.core.robots.AIRobotLoad;
import buildcraft.core.robots.AIRobotRecharge;
public class BoardRobotBuilder extends RedstoneBoardRobot {
private TileConstructionMarker markerToBuild;
private BuildingSlot currentBuildingSlot;
private LinkedList<ItemStack> requirementsToLookFor;
private int launchingDelay = 0;
public BoardRobotBuilder(EntityRobotBase iRobot) {
super(iRobot);
}
@Override
public RedstoneBoardRobotNBT getNBTHandler() {
return BoardRobotBuilderNBT.instance;
}
@Override
public void update() {
if (launchingDelay > 0) {
launchingDelay--;
return;
}
if (markerToBuild == null) {
double minDistance = Double.MAX_VALUE;
for (TileConstructionMarker marker : TileConstructionMarker.currentMarkers) {
if (marker.getWorldObj() == robot.worldObj && marker.needsToBuild()) {
double dx = robot.posX - marker.xCoord;
double dy = robot.posY - marker.yCoord;
double dz = robot.posZ - marker.zCoord;
double distance = dx * dx + dy * dy + dz * dz;
if (distance < minDistance) {
markerToBuild = marker;
minDistance = distance;
}
}
}
if (markerToBuild == null) {
startDelegateAI(new AIRobotGotoSleep(robot));
return;
}
}
if (markerToBuild == null || !markerToBuild.needsToBuild()) {
markerToBuild = null;
startDelegateAI(new AIRobot(robot));
return;
}
if (currentBuildingSlot == null) {
currentBuildingSlot = markerToBuild.bluePrintBuilder.reserveNextSlot(robot.worldObj);
if (currentBuildingSlot != null) {
// The above may return null even if not done, if it's scanning
// for available blocks.
requirementsToLookFor = currentBuildingSlot.getRequirements(markerToBuild.getContext());
}
// TODO: what if there's more requirements that this robot can
// handle e.g. not enough free spots? If there's more than X slots
// found that can't be built, go to sleep.
}
if (requirementsToLookFor != null && requirementsToLookFor.size() > 0) {
startDelegateAI(new AIRobotGotoStationToLoad(robot,
new ArrayStackFilter(requirementsToLookFor.getFirst()),
robot.getZoneToWork()));
}
if (currentBuildingSlot != null && requirementsToLookFor != null && requirementsToLookFor.size() == 0) {
if (currentBuildingSlot.stackConsumed == null) {
// Once all the element are in, if not already, use them to
// prepare the slot.
markerToBuild.bluePrintBuilder.useRequirements(robot, currentBuildingSlot);
}
if (robot.getEnergy() - currentBuildingSlot.getEnergyRequirement() < EntityRobotBase.SAFETY_ENERGY) {
startDelegateAI(new AIRobotRecharge(robot));
} else {
startDelegateAI(new AIRobotGotoBlock(robot,
(int) currentBuildingSlot.getDestination().x,
(int) currentBuildingSlot.getDestination().y,
(int) currentBuildingSlot.getDestination().z,
8));
}
// TODO: take into account cases where the robot can't reach the
// destination - go to work on another block
}
}
@Override
public void delegateAIEnded(AIRobot ai) {
if (ai instanceof AIRobotGotoStationToLoad) {
if (ai.success()) {
startDelegateAI(new AIRobotLoad(robot, new ArrayStackFilter(requirementsToLookFor.getFirst()),
requirementsToLookFor.getFirst().stackSize));
} else {
startDelegateAI(new AIRobotGotoSleep(robot));
}
} else if (ai instanceof AIRobotLoad) {
// TODO: check that we get the proper items in
requirementsToLookFor.removeFirst();
} else if (ai instanceof AIRobotGotoBlock) {
if (markerToBuild == null || markerToBuild.bluePrintBuilder == null) {
// defensive code, in case of a wrong load from NBT
return;
}
if (robot.getEnergy() - currentBuildingSlot.getEnergyRequirement() < EntityRobotBase.SAFETY_ENERGY) {
startDelegateAI(new AIRobotRecharge(robot));
return;
}
robot.getBattery().extractEnergy(currentBuildingSlot.getEnergyRequirement(), false);
launchingDelay = currentBuildingSlot.getStacksToDisplay().size() * BuildingItem.ITEMS_SPACE;
markerToBuild.bluePrintBuilder.buildSlot
(robot.worldObj, markerToBuild, currentBuildingSlot,
robot.posX + 0.125F, robot.posY + 0.125F, robot.posZ + 0.125F);
currentBuildingSlot = null;
requirementsToLookFor = null;
}
}
@Override
public void writeSelfToNBT(NBTTagCompound nbt) {
super.writeSelfToNBT(nbt);
nbt.setInteger("launchingDelay", launchingDelay);
}
@Override
public void loadSelfFromNBT(NBTTagCompound nbt) {
super.loadSelfFromNBT(nbt);
launchingDelay = nbt.getInteger("launchingDelay");
}
}