Iris/src/main/java/com/volmit/iris/util/PregenJob.java
2020-10-25 12:26:56 -04:00

560 lines
11 KiB
Java

package com.volmit.iris.util;
import java.awt.Color;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicInteger;
import org.bukkit.Bukkit;
import org.bukkit.Chunk;
import org.bukkit.World;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.world.ChunkUnloadEvent;
import com.volmit.iris.Iris;
import com.volmit.iris.IrisSettings;
import com.volmit.iris.gen.IrisTerrainProvider;
import com.volmit.iris.gen.scaffold.IrisWorlds;
import com.volmit.iris.gui.PregenGui;
import io.papermc.lib.PaperLib;
public class PregenJob implements Listener
{
private static PregenJob instance;
private World world;
private int size;
private int total;
private int genned;
private boolean completed;
public static int task = -1;
private int ticks;
private Semaphore working;
private AtomicInteger g = new AtomicInteger();
private PrecisionStopwatch s;
private ChronoLatch cl;
private ChronoLatch clx;
private ChronoLatch clf;
private MortarSender sender;
private int mcaWidth;
private int mcaX;
private int mcaZ;
private int chunkX;
private int chunkZ;
private Runnable onDone;
private Spiraler spiraler;
private Spiraler chunkSpiraler;
private boolean first;
private static Consumer2<ChunkPosition, Color> consumer;
private IrisTerrainProvider tp;
private double cps = 0;
private int lg = 0;
private long lt = M.ms();
private int cubeSize = 32;
private long nogen = M.ms();
private KList<ChunkPosition> requeueMCA = new KList<ChunkPosition>();
private RollingSequence acps = new RollingSequence(PaperLib.isPaper() ? 8 : 32);
private boolean paused = false;
private long pausedAt = 0;
private double pms = 0;
int xc = 0;
public PregenJob(World world, int size, MortarSender sender, Runnable onDone)
{
g.set(0);
instance = this;
working = new Semaphore(tc());
this.s = PrecisionStopwatch.start();
Iris.instance.registerListener(this);
this.world = world;
this.size = size;
this.onDone = onDone;
this.sender = sender;
cl = new ChronoLatch(3000);
clx = new ChronoLatch(20000);
clf = new ChronoLatch(30000);
total = (size / 16) * (size / 16);
genned = 0;
mcaWidth = Math.floorDiv(size >> 4, cubeSize) + cubeSize;
this.mcaX = 0;
this.mcaZ = 0;
this.chunkX = 0;
this.chunkZ = 0;
completed = false;
first = true;
tp = IrisWorlds.getProvider(world);
chunkSpiraler = new Spiraler(cubeSize, cubeSize, (x, z) ->
{
chunkX = (mcaX * cubeSize) + x;
chunkZ = (mcaZ * cubeSize) + z;
});
spiraler = new Spiraler(mcaWidth, mcaWidth, (x, z) ->
{
mcaX = x;
mcaZ = z;
chunkSpiraler.retarget(cubeSize, cubeSize);
ticks++;
});
chunkSpiraler.setOffset(Math.floorDiv(cubeSize, 2), Math.floorDiv(cubeSize, 2));
if(task != -1)
{
stop();
}
PregenGui.launch(this);
fastFowardTicksIfPossible();
task = Bukkit.getScheduler().scheduleSyncRepeatingTask(Iris.instance, this::onTick, 0, 0);
}
public int tc()
{
return IrisSettings.get().maxAsyncChunkPregenThreads;
}
public static void stop()
{
try
{
Bukkit.getScheduler().cancelTask(task);
if(consumer != null)
{
consumer.accept(new ChunkPosition(Integer.MAX_VALUE, Integer.MAX_VALUE), Color.pink);
}
}
catch(Throwable e)
{
}
task = -1;
}
public static void pause()
{
if(instance.paused)
{
return;
}
instance.pms = instance.s.getMilliseconds();
instance.paused = true;
instance.pausedAt = M.ms();
}
public static void resume()
{
if(!instance.paused)
{
return;
}
instance.paused = false;
instance.s.rewind(instance.pausedAt - M.ms());
}
public void onTick()
{
onTick(false);
}
public void onTick(boolean skip)
{
if(paused)
{
return;
}
if(completed)
{
return;
}
if(skip)
{
tick(skip);
}
PrecisionStopwatch p = PrecisionStopwatch.start();
if(PaperLib.isPaper())
{
for(int i = 0; i < 16; i++)
{
tickPaper(skip);
}
}
else
{
while(p.getMilliseconds() < 7000)
{
tick(skip);
}
}
if(cl.flip())
{
tickMetrics();
}
}
private void tickMetrics()
{
long eta = (long) ((total - genned) * (s.getMilliseconds() / (double) genned));
String ss = "Pregen: " + Form.pc(Math.min((double) genned / (double) total, 1.0), 0) + ", Elapsed: " +
Form.duration((long) (paused ? pms : s.getMilliseconds()))
+ ", ETA: " + (genned >= total - 5 ? "Any second..." : s.getMilliseconds() < 25000 ? "Calculating..." : Form.duration(eta)) + " MS: " + Form.duration((s.getMilliseconds() / (double) genned), 2);
Iris.info(ss);
if(sender.isPlayer() && sender.player().isOnline())
{
sender.sendMessage(ss);
}
}
public void tickPaper()
{
tickPaper(false);
}
public void tickPaper(boolean skip)
{
if(working.getQueueLength() >= tc() / 2)
{
return;
}
for(int i = 0; i < 128; i++)
{
tick(skip);
}
}
public void tick()
{
tick(false);
}
public void tick(boolean skip)
{
if(M.ms() - nogen > 5000 && Math.min((double) genned / (double) total, 1.0) > 0.99 && !completed)
{
completed = true;
for(Chunk i : world.getLoadedChunks())
{
i.unload(true);
}
saveAll();
Iris.instance.unregisterListener(this);
completed = true;
sender.sendMessage("Pregen Completed!");
if(consumer != null)
{
consumer.accept(new ChunkPosition(Integer.MAX_VALUE, Integer.MAX_VALUE), Color.pink);
}
onDone.run();
return;
}
if(completed)
{
return;
}
if(first)
{
sender.sendMessage("Pregen Started for " + Form.f((size >> 4 >> 5 * size >> 4 >> 5)) + " Regions containing " + Form.f((size >> 4) * (size >> 4)) + " Chunks");
first = false;
spiraler.next();
while(chunkSpiraler.hasNext())
{
chunkSpiraler.next();
if(isChunkWithin(chunkX, chunkZ))
{
if(consumer != null)
{
consumer.accept(new ChunkPosition(chunkX, chunkZ), Color.DARK_GRAY);
}
}
}
chunkSpiraler.retarget(cubeSize, cubeSize);
}
if(chunkSpiraler.hasNext())
{
chunkSpiraler.next();
if(!skip)
{
tickChunk();
}
}
else if(spiraler.hasNext() || requeueMCA.isNotEmpty())
{
if(!skip)
{
saveAllRequest();
}
if(requeueMCA.isNotEmpty())
{
ChunkPosition posf = requeueMCA.popRandom();
mcaX = posf.getX();
mcaZ = posf.getZ();
chunkSpiraler.retarget(cubeSize, cubeSize);
}
else if(spiraler.hasNext())
{
spiraler.next();
}
while(chunkSpiraler.hasNext())
{
chunkSpiraler.next();
if(isChunkWithin(chunkX, chunkZ) && consumer != null)
{
consumer.accept(new ChunkPosition(chunkX, chunkZ), Color.BLUE.darker().darker());
}
}
chunkSpiraler.retarget(cubeSize, cubeSize);
}
else if(!completed)
{
genned += (((size + 32) / 16) * (size + 32) / 16) + 100000;
}
double dur = M.ms() - lt;
if(dur > 1000 && genned > lg)
{
int gain = genned - lg;
double rat = dur / 1000D;
acps.put((double) gain / rat);
cps = acps.getAverage();
lt = M.ms();
lg = genned;
}
}
private void tickChunk()
{
tickSyncChunk();
}
private void tickSyncChunk()
{
if(isChunkWithin(chunkX, chunkZ))
{
if(PaperLib.isPaper())
{
if(consumer != null)
{
consumer.accept(new ChunkPosition(chunkX, chunkZ), Color.magenta.darker().darker().darker());
}
int cx = chunkX;
int cz = chunkZ;
J.a(() ->
{
try
{
working.acquire();
if(consumer != null)
{
consumer.accept(new ChunkPosition(cx, cz), Color.magenta);
}
PaperLib.getChunkAtAsyncUrgently(world, cx, cz, true).thenAccept(chunk ->
{
working.release();
genned++;
nogen = M.ms();
if(consumer != null)
{
consumer.accept(new ChunkPosition(chunk.getX(), chunk.getZ()), tp != null ? tp.render(chunk.getX() * 16, chunk.getZ() * 16) : Color.blue);
}
});
}
catch(InterruptedException e)
{
e.printStackTrace();
}
});
}
else
{
if(consumer != null)
{
consumer.accept(new ChunkPosition(chunkX, chunkZ), Color.blue.darker().darker());
}
world.loadChunk(chunkX, chunkZ);
genned++;
nogen = M.ms();
if(consumer != null)
{
consumer.accept(new ChunkPosition(chunkX, chunkZ), tp != null ? tp.render(chunkX * 16, chunkZ * 16) : Color.blue);
}
}
}
else
{
if(consumer != null)
{
consumer.accept(new ChunkPosition(chunkX, chunkZ), Color.blue.brighter().brighter());
}
}
}
public void fastFowardTicksIfPossible()
{
try
{
int ticks = Integer.valueOf(IO.readAll(new File(world.getWorldFolder(), "pregen.ticks")).trim());
ticks -= 6;
if(ticks <= 0)
{
return;
}
for(int i = 0; i < ticks; i++)
{
spiraler.next();
}
}
catch(Throwable e)
{
}
}
public void saveAllRequest()
{
if(clf.flip())
{
for(Chunk i : world.getLoadedChunks())
{
world.unloadChunkRequest(i.getX(), i.getZ());
}
J.a(() ->
{
try
{
IO.writeAll(new File(world.getWorldFolder(), "pregen.ticks"), ticks + "");
}
catch(IOException e)
{
e.printStackTrace();
}
});
}
if(clx.flip())
{
saveAll();
}
}
@EventHandler
public void on(ChunkUnloadEvent e)
{
try
{
if(e.getWorld().equals(world) && isChunkWithin(e.getChunk().getX(), e.getChunk().getZ()) && consumer != null)
{
consumer.accept(new ChunkPosition(e.getChunk().getX(), e.getChunk().getZ()), tp != null ? tp.render(e.getChunk().getX() * 16, e.getChunk().getZ() * 16) : Color.blue.darker());
}
}
catch(Throwable ex)
{
}
}
public void saveAll()
{
for(Chunk i : world.getLoadedChunks())
{
world.unloadChunkRequest(i.getX(), i.getZ());
}
world.save();
Bukkit.dispatchCommand(Bukkit.getConsoleSender(), "save-all");
}
public int max()
{
return size / 2;
}
public int min()
{
return -max();
}
public boolean isChunkWithin(int x, int z)
{
return !(Math.abs(x << 4) > Math.floorDiv(size, 2) + 16 || Math.abs(z << 4) > Math.floorDiv(size, 2) + 16);
}
public void subscribe(Consumer2<ChunkPosition, Color> s)
{
consumer = s;
}
public String[] getProgress()
{
long eta = (long) ((total - genned) * 1000D / cps);
return new String[] {"Progress: " + Form.pc(Math.min((double) genned / (double) total, 1.0), 0), "Generated: " + Form.f(genned) + " Chunks", "Remaining: " + Form.f(total - genned) + " Chunks", "Elapsed: " + Form.duration((long) (paused ? pms : s.getMilliseconds()), 2), "Estimate: " + ((genned >= total - 5 ? "Any second..." : s.getMilliseconds() < 25000 ? "Calculating..." : Form.duration(eta, 2))), "ChunksMS: " + Form.duration(1000D / cps, 2), "Chunks/s: " + Form.f(cps, 1),
};
}
public static void pauseResume()
{
if(instance.paused)
{
resume();
}
else
{
pause();
}
}
public static boolean isPaused()
{
return instance.paused;
}
public boolean paused()
{
return paused;
}
}