/**
* 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.ArrayList;
import net.minecraft.block.Block;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.world.World;
import buildcraft.api.boards.RedstoneBoardRobot;
import buildcraft.api.core.BlockIndex;
import buildcraft.api.robots.AIRobot;
import buildcraft.api.robots.EntityRobotBase;
import buildcraft.api.statements.IStatementParameter;
import buildcraft.api.statements.StatementParameterItemStack;
import buildcraft.core.inventory.filters.IStackFilter;
import buildcraft.core.robots.AIRobotBreak;
import buildcraft.core.robots.AIRobotFetchAndEquipItemStack;
import buildcraft.core.robots.AIRobotGotoBlock;
import buildcraft.core.robots.AIRobotGotoSleep;
import buildcraft.core.robots.AIRobotSearchBlock;
import buildcraft.core.robots.DockingStation;
import buildcraft.core.robots.IBlockFilter;
import buildcraft.core.robots.ResourceIdBlock;
import buildcraft.silicon.statements.ActionRobotFilter;
import buildcraft.transport.gates.ActionIterator;
import buildcraft.transport.gates.StatementSlot;
public abstract class BoardRobotGenericBreakBlock extends RedstoneBoardRobot {
private BlockIndex indexStored;
private ArrayList<Block> blockFilter = new ArrayList<Block>();
private ArrayList<Integer> metaFilter = new ArrayList<Integer>();
public BoardRobotGenericBreakBlock(EntityRobotBase iRobot) {
super(iRobot);
}
public abstract boolean isExpectedTool(ItemStack stack);
/**
* This function has to be derived in a thread safe manner, as it may be
* called from parallel jobs. In particular, world should not be directly
* used, only through WorldProperty class and subclasses.
*/
public abstract boolean isExpectedBlock(World world, int x, int y, int z);
public final void preemt(AIRobot ai) {
if (ai instanceof AIRobotSearchBlock) {
BlockIndex index = ((AIRobotSearchBlock) ai).blockFound;
if (!robot.getRegistry().isTaken(new ResourceIdBlock(index))) {
abortDelegateAI();
}
}
}
@Override
public final void update() {
if (!isExpectedTool(null) && robot.getHeldItem() == null) {
startDelegateAI(new AIRobotFetchAndEquipItemStack(robot, new IStackFilter() {
@Override
public boolean matches(ItemStack stack) {
return isExpectedTool(stack);
}
}));
} else {
updateFilter();
startDelegateAI(new AIRobotSearchBlock(robot, new IBlockFilter() {
@Override
public boolean matches(World world, int x, int y, int z) {
if (isExpectedBlock(world, x, y, z) && !robot.getRegistry().isTaken(new ResourceIdBlock(x, y, z))) {
return matchesGateFilter(world, x, y, z);
} else {
return false;
}
}
}));
}
}
@Override
public void delegateAIEnded(AIRobot ai) {
if (ai instanceof AIRobotSearchBlock) {
if (indexStored != null) {
robot.getRegistry().release(new ResourceIdBlock(indexStored));
}
indexStored = ((AIRobotSearchBlock) ai).blockFound;
if (indexStored == null) {
startDelegateAI(new AIRobotGotoSleep(robot));
} else {
if (robot.getRegistry().take(new ResourceIdBlock(indexStored), robot)) {
startDelegateAI(new AIRobotGotoBlock(robot, ((AIRobotSearchBlock) ai).path));
}
}
} else if (ai instanceof AIRobotGotoBlock) {
startDelegateAI(new AIRobotBreak(robot, indexStored));
} else if (ai instanceof AIRobotBreak) {
robot.getRegistry().release(new ResourceIdBlock(indexStored));
indexStored = null;
}
}
@Override
public void end() {
if (indexStored != null) {
robot.getRegistry().release(new ResourceIdBlock(indexStored));
}
}
public final void updateFilter() {
blockFilter.clear();
metaFilter.clear();
DockingStation station = (DockingStation) robot.getLinkedStation();
for (StatementSlot slot : new ActionIterator(station.getPipe().pipe)) {
if (slot.statement instanceof ActionRobotFilter) {
for (IStatementParameter p : slot.parameters) {
if (p != null && p instanceof StatementParameterItemStack) {
StatementParameterItemStack param = (StatementParameterItemStack) p;
ItemStack stack = param.getItemStack();
if (stack != null && stack.getItem() instanceof ItemBlock) {
blockFilter.add(((ItemBlock) stack.getItem()).field_150939_a);
metaFilter.add(stack.getItemDamage());
}
}
}
}
}
}
private boolean matchesGateFilter(World world, int x, int y, int z) {
if (blockFilter.size() == 0) {
return true;
}
Block block;
int meta;
synchronized (world) {
block = world.getBlock(x, y, z);
meta = world.getBlockMetadata(x, y, z);
}
for (int i = 0; i < blockFilter.size(); ++i) {
if (blockFilter.get(i) == block && metaFilter.get(i) == meta) {
return true;
}
}
return false;
}
@Override
public void writeSelfToNBT(NBTTagCompound nbt) {
super.writeSelfToNBT(nbt);
if (indexStored != null) {
NBTTagCompound sub = new NBTTagCompound();
indexStored.writeTo(sub);
nbt.setTag("indexStored", sub);
}
}
@Override
public void loadSelfFromNBT(NBTTagCompound nbt) {
super.loadSelfFromNBT(nbt);
if (nbt.hasKey("indexStored")) {
indexStored = new BlockIndex (nbt.getCompoundTag("indexStored"));
}
}
}