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PowerProvider.java
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PowerProvider.java
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/**
* Copyright (c) SpaceToad, 2011 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.power;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.common.ForgeDirection;
import buildcraft.api.core.SafeTimeTracker;
public final class PowerProvider {
private int minEnergyReceived;
private int maxEnergyReceived;
private int maxEnergyStored;
private int minActivationEnergy;
private float energyStored = 0;
private int powerLoss = 1;
private int powerLossRegularity = 1;
public final boolean canAcceptPowerFromPipes;
private SafeTimeTracker energyLossTracker = new SafeTimeTracker();
private SafeTimeTracker doWorkTracker = new SafeTimeTracker();
public final int[] powerSources = {0, 0, 0, 0, 0, 0};
private final IPowerReceptor receptor;
public PowerProvider(IPowerReceptor receptor) {
this(receptor, true);
}
public PowerProvider(IPowerReceptor receptor, boolean canAcceptPowerFromPipes) {
this.canAcceptPowerFromPipes = canAcceptPowerFromPipes;
this.receptor = receptor;
}
public int getMinEnergyReceived() {
return this.minEnergyReceived;
}
public int getMaxEnergyReceived() {
return this.maxEnergyReceived;
}
public int getMaxEnergyStored() {
return this.maxEnergyStored;
}
public int getActivationEnergy() {
return this.minActivationEnergy;
}
public float getEnergyStored() {
return this.energyStored;
}
public void configure(int minEnergyReceived, int maxEnergyReceived, int minActivationEnergy, int maxStoredEnergy) {
this.minEnergyReceived = minEnergyReceived;
this.maxEnergyReceived = maxEnergyReceived;
this.maxEnergyStored = maxStoredEnergy;
this.minActivationEnergy = minActivationEnergy;
}
public void configurePowerPerdition(int powerLoss, int powerLossRegularity) {
this.powerLoss = powerLoss;
this.powerLossRegularity = powerLossRegularity;
}
public boolean update(IPowerReceptor receptor) {
applyPerdition();
boolean work = applyWork();
for (int i = 0; i < 6; ++i) {
if (powerSources[i] > 0) {
powerSources[i]--;
}
}
return work;
}
private void applyPerdition() {
TileEntity tile = (TileEntity) receptor;
if (powerLoss > 0 && energyLossTracker.markTimeIfDelay(tile.worldObj, powerLossRegularity)) {
energyStored -= powerLoss;
if (energyStored < 0) {
energyStored = 0;
}
}
}
private boolean applyWork() {
TileEntity tile = (TileEntity) receptor;
if (energyStored >= minActivationEnergy && doWorkTracker.markTimeIfDelay(tile.worldObj, 1)) {
receptor.doWork(this);
return true;
}
return false;
}
public float useEnergy(float min, float max, boolean doUse) {
float result = 0;
if (energyStored >= min) {
if (energyStored <= max) {
result = energyStored;
if (doUse) {
energyStored = 0;
}
} else {
result = max;
if (doUse) {
energyStored -= max;
}
}
}
return result;
}
public void readFromNBT(NBTTagCompound data) {
readFromNBT(data, "powerProvider");
}
public void readFromNBT(NBTTagCompound data, String tag) {
NBTTagCompound nbt = data.getCompoundTag(tag);
energyStored = nbt.getFloat("storedEnergy");
}
public void writeToNBT(NBTTagCompound data) {
writeToNBT(data, "powerProvider");
}
public void writeToNBT(NBTTagCompound data, String tag) {
NBTTagCompound nbt = new NBTTagCompound();
nbt.setFloat("storedEnergy", energyStored);
data.setCompoundTag(tag, nbt);
}
public float powerRequest() {
return Math.min(maxEnergyReceived, maxEnergyStored - energyStored);
}
public float receiveEnergy(float quantity, ForgeDirection from) {
powerSources[from.ordinal()] = 2;
energyStored += quantity;
if (energyStored > maxEnergyStored) {
quantity -= energyStored - maxEnergyStored;
energyStored = maxEnergyStored;
}
applyPerdition();
applyWork();
return quantity;
}
public boolean isPowerSource(ForgeDirection from) {
return powerSources[from.ordinal()] != 0;
}
}