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AIRobot.java
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AIRobot.java
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/**
* 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.api.robots;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
public class AIRobot {
public EntityRobotBase robot;
private AIRobot delegateAI;
private AIRobot parentAI;
public AIRobot(EntityRobotBase iRobot) {
robot = iRobot;
}
public void start() {
}
public void preempt(AIRobot ai) {
}
public void update() {
// Update should always handle terminate. Some AI are not using update
// at all, their code being in start() and end(). In these case,
// calling update is a malfunction, the ai should be terminated.
terminate();
}
public void end() {
}
public void delegateAIEnded(AIRobot ai) {
}
public void delegateAIAborted(AIRobot ai) {
}
public void writeSelfToNBT(NBTTagCompound nbt) {
}
public void loadSelfFromNBT(NBTTagCompound nbt) {
}
public boolean success() {
return true;
}
public int getEnergyCost() {
return 1;
}
public boolean canLoadFromNBT() {
return false;
}
/**
* Tries to receive items in parameters, return items that are left after
* the operation.
*/
public ItemStack receiveItem(ItemStack stack) {
return stack;
}
public final void terminate() {
abortDelegateAI();
end();
if (parentAI != null) {
parentAI.delegateAI = null;
parentAI.delegateAIEnded(this);
}
}
public final void abort() {
abortDelegateAI();
try {
end();
if (parentAI != null) {
parentAI.delegateAI = null;
parentAI.delegateAIAborted(this);
}
} catch (Throwable e) {
e.printStackTrace();
delegateAI = null;
if (parentAI != null) {
parentAI.delegateAI = null;
}
}
}
public final void cycle() {
try {
preempt(delegateAI);
if (delegateAI != null) {
delegateAI.cycle();
} else {
robot.getBattery().extractEnergy(getEnergyCost(), false);
update();
}
} catch (Throwable e) {
e.printStackTrace();
abort();
}
}
public final void startDelegateAI(AIRobot ai) {
abortDelegateAI();
delegateAI = ai;
ai.parentAI = this;
delegateAI.start();
}
public final void abortDelegateAI() {
if (delegateAI != null) {
delegateAI.abort();
}
}
public final AIRobot getActiveAI() {
if (delegateAI != null) {
return delegateAI.getActiveAI();
} else {
return this;
}
}
public final AIRobot getDelegateAI() {
return delegateAI;
}
public final void writeToNBT(NBTTagCompound nbt) {
nbt.setString("class", getClass().getCanonicalName());
NBTTagCompound data = new NBTTagCompound();
writeSelfToNBT(data);
nbt.setTag("data", data);
if (delegateAI != null && delegateAI.canLoadFromNBT()) {
NBTTagCompound sub = new NBTTagCompound();
delegateAI.writeToNBT(sub);
nbt.setTag("delegateAI", sub);
}
}
public final void loadFromNBT(NBTTagCompound nbt) {
loadSelfFromNBT(nbt.getCompoundTag("data"));
if (nbt.hasKey("delegateAI")) {
NBTTagCompound sub = nbt.getCompoundTag("delegateAI");
try {
delegateAI = (AIRobot) Class.forName(sub.getString("class")).getConstructor(EntityRobotBase.class)
.newInstance(robot);
if (delegateAI.canLoadFromNBT()) {
delegateAI.parentAI = this;
delegateAI.loadFromNBT(sub);
}
} catch (Throwable e) {
e.printStackTrace();
}
}
}
public static AIRobot loadAI(NBTTagCompound nbt, EntityRobotBase robot) {
AIRobot ai = null;
try {
ai = (AIRobot) Class.forName(nbt.getString("class")).getConstructor(EntityRobotBase.class)
.newInstance(robot);
ai.loadFromNBT(nbt);
} catch (Throwable e) {
e.printStackTrace();
}
return ai;
}
}