2024-07-14 13:35:28 +02:00

364 lines
13 KiB
Java

package api.hbm.energymk2;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import com.hbm.util.Tuple.Pair;
import java.util.Map.Entry;
import java.util.Random;
import api.hbm.energymk2.IEnergyReceiverMK2.ConnectionPriority;
import api.hbm.energymk2.Nodespace.PowerNode;
public class PowerNetMK2 {
public static Random rand = new Random();
public boolean valid = true;
public Set<PowerNode> links = new HashSet();
/** Maps all active subscribers to a timestamp, handy for handling timeouts. In a good system this shouldn't be necessary, but the previous system taught me to be cautious anyway */
public HashMap<IEnergyReceiverMK2, Long> receiverEntries = new HashMap();
public HashMap<IEnergyProviderMK2, Long> providerEntries = new HashMap();
public long energyTracker = 0L;
public PowerNetMK2() {
Nodespace.activePowerNets.add(this);
}
/// SUBSCRIBER HANDLING ///
public boolean isSubscribed(IEnergyReceiverMK2 receiver) {
return this.receiverEntries.containsKey(receiver);
}
public void addReceiver(IEnergyReceiverMK2 receiver) {
this.receiverEntries.put(receiver, System.currentTimeMillis());
}
public void removeReceiver(IEnergyReceiverMK2 receiver) {
this.receiverEntries.remove(receiver);
}
/// PROVIDER HANDLING ///
public boolean isProvider(IEnergyProviderMK2 provider) {
return this.providerEntries.containsKey(provider);
}
public void addProvider(IEnergyProviderMK2 provider) {
this.providerEntries.put(provider, System.currentTimeMillis());
}
public void removeProvider(IEnergyProviderMK2 provider) {
this.providerEntries.remove(provider);
}
/// LINK JOINING ///
/** Combines two networks into one */
public void joinNetworks(PowerNetMK2 network) {
if(network == this) return; //wtf?!
List<PowerNode> oldNodes = new ArrayList(network.links.size());
oldNodes.addAll(network.links); // might prevent oddities related to joining - nvm it does nothing
for(PowerNode conductor : oldNodes) forceJoinLink(conductor);
network.links.clear();
for(IEnergyReceiverMK2 connector : network.receiverEntries.keySet()) this.addReceiver(connector);
for(IEnergyProviderMK2 connector : network.providerEntries.keySet()) this.addProvider(connector);
network.destroy();
}
/** Adds the power node as part of this network's links */
public PowerNetMK2 joinLink(PowerNode node) {
if(node.net != null) node.net.leaveLink(node);
return forceJoinLink(node);
}
/** Adds the power node as part of this network's links, skips the part about removing it from existing networks */
public PowerNetMK2 forceJoinLink(PowerNode node) {
this.links.add(node);
node.setNet(this);
return this;
}
/** Removes the specified power node */
public void leaveLink(PowerNode node) {
node.setNet(null);
this.links.remove(node);
}
/// GENERAL POWER NET CONTROL ///
public void invalidate() {
this.valid = false;
Nodespace.activePowerNets.remove(this);
}
public boolean isValid() {
return this.valid;
}
public void destroy() {
this.invalidate();
for(PowerNode link : this.links) if(link.net == this) link.setNet(null);
this.links.clear();
this.receiverEntries.clear();
this.providerEntries.clear();
}
public void resetEnergyTracker() {
this.energyTracker = 0;
}
protected static int timeout = 3_000;
public void transferPower() {
if(providerEntries.isEmpty()) return;
if(receiverEntries.isEmpty()) return;
long timestamp = System.currentTimeMillis();
List<Pair<IEnergyProviderMK2, Long>> providers = new ArrayList();
long powerAvailable = 0;
Iterator<Entry<IEnergyProviderMK2, Long>> provIt = providerEntries.entrySet().iterator();
while(provIt.hasNext()) {
Entry<IEnergyProviderMK2, Long> entry = provIt.next();
if(timestamp - entry.getValue() > timeout) { provIt.remove(); continue; }
long src = Math.min(entry.getKey().getPower(), entry.getKey().getProviderSpeed());
providers.add(new Pair(entry.getKey(), src));
powerAvailable += src;
}
List<Pair<IEnergyReceiverMK2, Long>>[] receivers = new ArrayList[ConnectionPriority.values().length];
for(int i = 0; i < receivers.length; i++) receivers[i] = new ArrayList();
long[] demand = new long[ConnectionPriority.values().length];
long totalDemand = 0;
Iterator<Entry<IEnergyReceiverMK2, Long>> recIt = receiverEntries.entrySet().iterator();
while(recIt.hasNext()) {
Entry<IEnergyReceiverMK2, Long> entry = recIt.next();
if(timestamp - entry.getValue() > timeout) { recIt.remove(); continue; }
long rec = Math.min(entry.getKey().getMaxPower() - entry.getKey().getPower(), entry.getKey().getReceiverSpeed());
int p = entry.getKey().getPriority().ordinal();
receivers[p].add(new Pair(entry.getKey(), rec));
demand[p] += rec;
totalDemand += rec;
}
long toTransfer = Math.min(powerAvailable, totalDemand);
long energyUsed = 0;
for(int i = ConnectionPriority.values().length - 1; i >= 0; i--) {
List<Pair<IEnergyReceiverMK2, Long>> list = receivers[i];
long priorityDemand = demand[i];
for(Pair<IEnergyReceiverMK2, Long> entry : list) {
double weight = (double) entry.getValue() / (double) (priorityDemand);
long toSend = (long) Math.max(toTransfer * weight, 0D);
energyUsed += (toSend - entry.getKey().transferPower(toSend)); //leftovers are subtracted from the intended amount to use up
}
toTransfer -= energyUsed;
}
this.energyTracker += energyUsed;
long leftover = energyUsed;
for(Pair<IEnergyProviderMK2, Long> entry : providers) {
double weight = (double) entry.getValue() / (double) powerAvailable;
long toUse = (long) Math.max(energyUsed * weight, 0D);
entry.getKey().usePower(toUse);
leftover -= toUse;
}
//rounding error compensation, detects surplus that hasn't been used and removes it from random providers
int iterationsLeft = 100; // whiles without emergency brakes are a bad idea
while(iterationsLeft > 0 && leftover > 0 && providers.size() > 0) {
iterationsLeft--;
Pair<IEnergyProviderMK2, Long> selected = providers.get(rand.nextInt(providers.size()));
IEnergyProviderMK2 scapegoat = selected.getKey();
long toUse = Math.min(leftover, scapegoat.getPower());
scapegoat.usePower(toUse);
leftover -= toUse;
}
}
@Deprecated public void transferPowerOld() {
if(providerEntries.isEmpty()) return;
if(receiverEntries.isEmpty()) return;
long timestamp = System.currentTimeMillis();
long transferCap = 100_000_000_000_000_00L; // that ought to be enough
long supply = 0;
long demand = 0;
long[] priorityDemand = new long[ConnectionPriority.values().length];
Iterator<Entry<IEnergyProviderMK2, Long>> provIt = providerEntries.entrySet().iterator();
while(provIt.hasNext()) {
Entry<IEnergyProviderMK2, Long> entry = provIt.next();
if(timestamp - entry.getValue() > timeout) { provIt.remove(); continue; }
supply += Math.min(entry.getKey().getPower(), entry.getKey().getProviderSpeed());
}
if(supply <= 0) return;
Iterator<Entry<IEnergyReceiverMK2, Long>> recIt = receiverEntries.entrySet().iterator();
while(recIt.hasNext()) {
Entry<IEnergyReceiverMK2, Long> entry = recIt.next();
if(timestamp - entry.getValue() > timeout) { recIt.remove(); continue; }
long rec = Math.min(entry.getKey().getMaxPower() - entry.getKey().getPower(), entry.getKey().getReceiverSpeed());
demand += rec;
for(int i = 0; i <= entry.getKey().getPriority().ordinal(); i++) priorityDemand[i] += rec;
}
if(demand <= 0) return;
long toTransfer = Math.min(supply, demand);
if(toTransfer > transferCap) toTransfer = transferCap;
if(toTransfer <= 0) return;
List<IEnergyProviderMK2> buffers = new ArrayList();
List<IEnergyProviderMK2> providers = new ArrayList();
Set<IEnergyReceiverMK2> receiverSet = receiverEntries.keySet();
for(IEnergyProviderMK2 provider : providerEntries.keySet()) {
if(receiverSet.contains(provider)) {
buffers.add(provider);
} else {
providers.add(provider);
}
}
providers.addAll(buffers); //makes buffers go last
List<IEnergyReceiverMK2> receivers = new ArrayList() {{ addAll(receiverSet); }};
receivers.sort(COMP);
int maxIteration = 1000;
//how much the current sender/receiver have already sent/received
long prevSrc = 0;
long prevDest = 0;
while(!receivers.isEmpty() && !providers.isEmpty() && maxIteration > 0) {
maxIteration--;
IEnergyProviderMK2 src = providers.get(0);
IEnergyReceiverMK2 dest = receivers.get(0);
if(src.getPower() <= 0) { providers.remove(0); prevSrc = 0; continue; }
if(src == dest) { // STALEMATE DETECTED
//if this happens, a buffer will waste both its share of transfer and receiving potential and do effectively nothing, essentially breaking
//try if placing the conflicting provider at the end of the list does anything
//we do this first because providers have no priority, so we may shuffle those around as much as we want
if(providers.size() > 1) {
providers.add(providers.get(0));
providers.remove(0);
prevSrc = 0; //this might cause slight issues due to the tracking being effectively lost while there still might be pending operations
continue;
}
//if that didn't work, try shifting the receiver by one place (to minimize priority breakage)
if(receivers.size() > 1) {
receivers.add(2, receivers.get(0));
receivers.remove(0);
prevDest = 0; //ditto
continue;
}
//if neither option could be performed, the only conclusion is that this buffer mode battery is alone in the power net, in which case: not my provlem
}
long pd = priorityDemand[dest.getPriority().ordinal()];
long receiverShare = Math.min((long) Math.ceil((double) Math.min(dest.getMaxPower() - dest.getPower(), dest.getReceiverSpeed()) * (double) supply / (double) pd), dest.getReceiverSpeed()) - prevDest;
long providerShare = Math.min((long) Math.ceil((double) Math.min(src.getPower(), src.getProviderSpeed()) * (double) demand / (double) supply), src.getProviderSpeed()) - prevSrc;
long toDrain = Math.min((long) (src.getPower()), providerShare);
long toFill = Math.min(dest.getMaxPower() - dest.getPower(), receiverShare);
long finalTransfer = Math.min(toDrain, toFill);
if(toFill <= 0) { receivers.remove(0); prevDest = 0; continue; }
finalTransfer -= dest.transferPower(finalTransfer);
src.usePower(finalTransfer);
prevSrc += finalTransfer;
prevDest += finalTransfer;
if(prevSrc >= src.getProviderSpeed()) { providers.remove(0); prevSrc = 0; continue; }
if(prevDest >= dest.getReceiverSpeed()) { receivers.remove(0); prevDest = 0; continue; }
toTransfer -= finalTransfer;
this.energyTracker += finalTransfer;
}
}
public long sendPowerDiode(long power) {
if(receiverEntries.isEmpty()) return power;
long timestamp = System.currentTimeMillis();
List<Pair<IEnergyReceiverMK2, Long>>[] receivers = new ArrayList[ConnectionPriority.values().length];
for(int i = 0; i < receivers.length; i++) receivers[i] = new ArrayList();
long[] demand = new long[ConnectionPriority.values().length];
long totalDemand = 0;
Iterator<Entry<IEnergyReceiverMK2, Long>> recIt = receiverEntries.entrySet().iterator();
while(recIt.hasNext()) {
Entry<IEnergyReceiverMK2, Long> entry = recIt.next();
if(timestamp - entry.getValue() > timeout) { recIt.remove(); continue; }
long rec = Math.min(entry.getKey().getMaxPower() - entry.getKey().getPower(), entry.getKey().getReceiverSpeed());
int p = entry.getKey().getPriority().ordinal();
receivers[p].add(new Pair(entry.getKey(), rec));
demand[p] += rec;
totalDemand += rec;
}
long toTransfer = Math.min(power, totalDemand);
long energyUsed = 0;
for(int i = ConnectionPriority.values().length - 1; i >= 0; i--) {
List<Pair<IEnergyReceiverMK2, Long>> list = receivers[i];
long priorityDemand = demand[i];
for(Pair<IEnergyReceiverMK2, Long> entry : list) {
double weight = (double) entry.getValue() / (double) (priorityDemand);
long toSend = (long) Math.max(toTransfer * weight, 0D);
energyUsed += (toSend - entry.getKey().transferPower(toSend)); //leftovers are subtracted from the intended amount to use up
}
toTransfer -= energyUsed;
}
this.energyTracker += energyUsed;
return power - energyUsed;
}
public static final ReceiverComparator COMP = new ReceiverComparator();
public static class ReceiverComparator implements Comparator<IEnergyReceiverMK2> {
@Override
public int compare(IEnergyReceiverMK2 o1, IEnergyReceiverMK2 o2) {
return o2.getPriority().ordinal() - o1.getPriority().ordinal();
}
}
}