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PipeTransportPower.java
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PipeTransportPower.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.transport;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.common.ForgeDirection;
import buildcraft.BuildCraftCore;
import buildcraft.api.core.SafeTimeTracker;
import buildcraft.api.gates.ITrigger;
import buildcraft.api.power.IPowerProvider;
import buildcraft.api.power.IPowerReceptor;
import buildcraft.core.DefaultProps;
import buildcraft.core.IMachine;
import buildcraft.core.proxy.CoreProxy;
import buildcraft.core.utils.Utils;
import buildcraft.transport.network.PacketPowerUpdate;
import buildcraft.transport.pipes.*;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
public class PipeTransportPower extends PipeTransport {
private static final short MAX_DISPLAY = 100;
private static final int DISPLAY_SMOOTHING = 10;
private static final int OVERLOAD_TICKS = 60;
public static final Map<Class<? extends Pipe>, Integer> powerCapacities = new HashMap<Class<? extends Pipe>, Integer>();
static {
powerCapacities.put(PipePowerCobblestone.class, 8);
powerCapacities.put(PipePowerStone.class, 16);
powerCapacities.put(PipePowerWood.class, 32);
powerCapacities.put(PipePowerQuartz.class, 64);
powerCapacities.put(PipePowerGold.class, 256);
powerCapacities.put(PipePowerDiamond.class, 1024);
}
private boolean needsInit = true;
private TileEntity[] tiles = new TileEntity[6];
public double[] displayPower = new double[6];
public double[] prevDisplayPower = new double[6];
public short[] clientDisplayPower = new short[6];
public int overload;
public int[] powerQuery = new int[6];
public int[] nextPowerQuery = new int[6];
public long currentDate;
public double[] internalPower = new double[]{0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
public double[] internalNextPower = new double[]{0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
public int maxPower = 8;
public PipeTransportPower() {
for (int i = 0; i < 6; ++i) {
powerQuery[i] = 0;
}
}
SafeTimeTracker tracker = new SafeTimeTracker();
public void initFromPipe(Class<? extends Pipe> pipeClass) {
maxPower = powerCapacities.get(pipeClass);
}
@Override
public boolean canPipeConnect(TileEntity tile, ForgeDirection side) {
if (tile instanceof TileGenericPipe) {
Pipe pipe2 = ((TileGenericPipe) tile).pipe;
if (BlockGenericPipe.isValid(pipe2) && !(pipe2.transport instanceof PipeTransportPower))
return false;
}
return tile instanceof TileGenericPipe || tile instanceof IMachine || tile instanceof IPowerReceptor;
}
@Override
public void onNeighborBlockChange(int blockId) {
super.onNeighborBlockChange(blockId);
updateTiles();
}
private void updateTiles() {
for (int i = 0; i < 6; ++i) {
TileEntity tile = container.getTile(ForgeDirection.VALID_DIRECTIONS[i]);
if (Utils.checkPipesConnections(tile, container)) {
tiles[i] = tile;
} else {
tiles[i] = null;
internalPower[i] = 0;
internalNextPower[i] = 0;
displayPower[i] = 0;
}
}
}
private void init() {
if (needsInit) {
needsInit = false;
updateTiles();
}
}
@Override
public void updateEntity() {
if (CoreProxy.proxy.isRenderWorld(worldObj))
return;
step();
init();
// Send the power to nearby pipes who requested it
System.arraycopy(displayPower, 0, prevDisplayPower, 0, 6);
Arrays.fill(displayPower, 0.0);
for (int i = 0; i < 6; ++i) {
if (internalPower[i] > 0) {
double totalPowerQuery = 0;
for (int j = 0; j < 6; ++j) {
if (j != i && powerQuery[j] > 0)
if (tiles[j] instanceof TileGenericPipe || tiles[j] instanceof IPowerReceptor) {
totalPowerQuery += powerQuery[j];
}
}
for (int j = 0; j < 6; ++j) {
if (j != i && powerQuery[j] > 0) {
double watts = 0.0;
if (tiles[j] instanceof TileGenericPipe) {
watts = (internalPower[i] / totalPowerQuery * powerQuery[j]);
TileGenericPipe nearbyTile = (TileGenericPipe) tiles[j];
PipeTransportPower nearbyTransport = (PipeTransportPower) nearbyTile.pipe.transport;
watts = nearbyTransport.receiveEnergy(ForgeDirection.VALID_DIRECTIONS[j].getOpposite(), watts);
internalPower[i] -= watts;
} else if (tiles[j] instanceof IPowerReceptor) {
watts = (internalPower[i] / totalPowerQuery * powerQuery[j]);
IPowerReceptor pow = (IPowerReceptor) tiles[j];
IPowerProvider prov = pow.getPowerProvider();
if (prov != null) {
prov.receiveEnergy((float) watts, ForgeDirection.VALID_DIRECTIONS[j].getOpposite());
internalPower[i] -= watts;
}
}
displayPower[j] += watts;
displayPower[i] += watts;
}
}
}
}
double highestPower = 0;
for (int i = 0; i < 6; i++) {
displayPower[i] = (prevDisplayPower[i] * (DISPLAY_SMOOTHING - 1.0) + displayPower[i]) / DISPLAY_SMOOTHING;
if (displayPower[i] > highestPower) {
highestPower = displayPower[i];
}
}
overload += highestPower > maxPower * 0.95 ? 1 : -1;
if (overload < 0) {
overload = 0;
}
if (overload > OVERLOAD_TICKS) {
overload = OVERLOAD_TICKS;
}
// Compute the tiles requesting energy that are not pipes
for (int i = 0; i < 6; ++i) {
if (tiles[i] instanceof IPowerReceptor && !(tiles[i] instanceof TileGenericPipe)) {
IPowerReceptor receptor = (IPowerReceptor) tiles[i];
int request = receptor.powerRequest(ForgeDirection.VALID_DIRECTIONS[i].getOpposite());
if (request > 0) {
requestEnergy(ForgeDirection.VALID_DIRECTIONS[i], request);
}
}
}
// Sum the amount of energy requested on each side
int[] transferQuery = new int[6];
for (int i = 0; i < 6; ++i) {
transferQuery[i] = 0;
for (int j = 0; j < 6; ++j) {
if (j != i) {
transferQuery[i] += powerQuery[j];
}
}
transferQuery[i] = Math.min(transferQuery[i], maxPower);
}
// Transfer the requested energy to nearby pipes
for (int i = 0; i < 6; ++i) {
if (transferQuery[i] != 0) {
if (tiles[i] != null) {
TileEntity entity = tiles[i];
if (entity instanceof TileGenericPipe) {
TileGenericPipe nearbyTile = (TileGenericPipe) entity;
if (nearbyTile.pipe == null) {
continue;
}
PipeTransportPower nearbyTransport = (PipeTransportPower) nearbyTile.pipe.transport;
nearbyTransport.requestEnergy(ForgeDirection.VALID_DIRECTIONS[i].getOpposite(), transferQuery[i]);
}
}
}
}
if (tracker.markTimeIfDelay(worldObj, 2 * BuildCraftCore.updateFactor)) {
PacketPowerUpdate packet = new PacketPowerUpdate(xCoord, yCoord, zCoord);
double displayFactor = MAX_DISPLAY / 1024.0;
for (int i = 0; i < clientDisplayPower.length; i++) {
clientDisplayPower[i] = (short) (displayPower[i] * displayFactor + .9999);
}
packet.displayPower = clientDisplayPower;
packet.overload = overload >= OVERLOAD_TICKS;
CoreProxy.proxy.sendToPlayers(packet.getPacket(), worldObj, xCoord, yCoord, zCoord, DefaultProps.PIPE_CONTENTS_RENDER_DIST);
}
}
public void step() {
if (currentDate != worldObj.getWorldTime()) {
currentDate = worldObj.getWorldTime();
powerQuery = nextPowerQuery;
nextPowerQuery = new int[6];
double[] next = internalPower;
internalPower = internalNextPower;
internalNextPower = next;
for (int i = 0; i < powerQuery.length; i++) {
int sum = 0;
for (int j = 0; j < powerQuery.length; j++) {
if (i != j) {
sum += powerQuery[j];
}
}
if (sum == 0 && internalNextPower[i] > 0) {
internalNextPower[i] -= 1;
if (internalNextPower[i] < 0) {
internalNextPower[i] = 0;
}
}
}
}
}
public double receiveEnergy(ForgeDirection from, double val) {
step();
if (this.container.pipe instanceof IPipeTransportPowerHook) {
return ((IPipeTransportPowerHook) this.container.pipe).receiveEnergy(from, val);
} else {
internalNextPower[from.ordinal()] += val;
if (internalNextPower[from.ordinal()] > maxPower) {
val = internalNextPower[from.ordinal()] - maxPower;
internalNextPower[from.ordinal()] = maxPower;
}
}
return val;
}
public void requestEnergy(ForgeDirection from, int amount) {
step();
if (this.container.pipe instanceof IPipeTransportPowerHook) {
((IPipeTransportPowerHook) this.container.pipe).requestEnergy(from, amount);
} else {
nextPowerQuery[from.ordinal()] += amount;
}
}
@Override
public void initialize() {
currentDate = worldObj.getWorldTime();
}
@Override
public void readFromNBT(NBTTagCompound nbttagcompound) {
super.readFromNBT(nbttagcompound);
for (int i = 0; i < 6; ++i) {
powerQuery[i] = nbttagcompound.getInteger("powerQuery[" + i + "]");
nextPowerQuery[i] = nbttagcompound.getInteger("nextPowerQuery[" + i + "]");
internalPower[i] = nbttagcompound.getDouble("internalPower[" + i + "]");
internalNextPower[i] = nbttagcompound.getDouble("internalNextPower[" + i + "]");
}
}
@Override
public void writeToNBT(NBTTagCompound nbttagcompound) {
super.writeToNBT(nbttagcompound);
for (int i = 0; i < 6; ++i) {
nbttagcompound.setInteger("powerQuery[" + i + "]", powerQuery[i]);
nbttagcompound.setInteger("nextPowerQuery[" + i + "]", nextPowerQuery[i]);
nbttagcompound.setDouble("internalPower[" + i + "]", internalPower[i]);
nbttagcompound.setDouble("internalNextPower[" + i + "]", internalNextPower[i]);
}
}
public boolean isTriggerActive(ITrigger trigger) {
return false;
}
/**
* Client-side handler for receiving power updates from the server;
*
* @param packetPower
*/
public void handlePowerPacket(PacketPowerUpdate packetPower) {
clientDisplayPower = packetPower.displayPower;
overload = packetPower.overload ? OVERLOAD_TICKS : 0;
}
}