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https://github.com/PryPurity/WorldBorder.git
synced 2024-11-15 10:25:14 +01:00
Might need this... also, release 1.3.0
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Brettflan
parent
e2e1b60e2a
commit
794aed7b18
415
src/com/wimbli/WorldBorder/WorldFillTask.java
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415
src/com/wimbli/WorldBorder/WorldFillTask.java
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package com.wimbli.WorldBorder;
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import java.util.List;
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import java.util.LinkedList;
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import org.bukkit.ChatColor;
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import org.bukkit.entity.Player;
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import org.bukkit.Server;
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import org.bukkit.World;
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public class WorldFillTask implements Runnable
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{
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// general task-related reference data
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private transient Server server = null;
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private transient World world = null;
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private transient BorderData border = null;
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private transient boolean readyToGo = false;
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private transient boolean paused = false;
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private transient boolean pausedForMemory = false;
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private transient int taskID = -1;
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private transient Player notifyPlayer = null;
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private transient int chunksPerRun = 1;
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private transient boolean continueNotice = false;
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// these are only stored for saving task to config
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private transient int fillDistance = 176;
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private transient int tickFrequency = 1;
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private transient int refX = 0, lastLegX = 0;
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private transient int refZ = 0, lastLegZ = 0;
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private transient int refLength = -1;
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private transient int refTotal = 0, lastLegTotal = 0;
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// values for the spiral pattern check which fills out the map to the border
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private transient int x = 0;
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private transient int z = 0;
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private transient boolean isZLeg = false;
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private transient boolean isNeg = false;
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private transient int length = -1;
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private transient int current = 0;
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private transient boolean insideBorder = true;
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private List<coordXZ> storedChunks = new LinkedList<coordXZ>();
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// for reporting progress back to user occasionally
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private transient long lastReport = Config.Now();
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private transient int reportTarget = 0;
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private transient int reportTotal = 0;
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private transient int reportNum = 0;
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public WorldFillTask(Server theServer, Player player, String worldName, int fillDistance, int chunksPerRun, int tickFrequency)
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{
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this.server = theServer;
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this.notifyPlayer = player;
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this.fillDistance = fillDistance;
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this.tickFrequency = tickFrequency;
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this.chunksPerRun = chunksPerRun;
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this.world = server.getWorld(worldName);
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if (this.world == null)
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{
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if (worldName.isEmpty())
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sendMessage("You must specify a world!");
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else
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sendMessage("World \"" + worldName + "\" not found!");
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this.stop();
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return;
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}
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this.border = (Config.Border(worldName) == null) ? null : Config.Border(worldName).copy();
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if (this.border == null)
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{
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sendMessage("No border found for world \"" + worldName + "\"!");
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this.stop();
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return;
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}
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this.border.setRadius(border.getRadius() + fillDistance);
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this.x = (int) Math.floor(border.getX() / 16);
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this.z = (int) Math.floor(border.getX() / 16);
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int chunkWidth = (int) Math.ceil((double)((border.getRadius() + 16) * 2) / 16);
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this.reportTarget = (chunkWidth * chunkWidth) + chunkWidth + 1;
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this.readyToGo = true;
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}
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public void setTaskID(int ID)
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{
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this.taskID = ID;
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}
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public void run()
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{
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if (continueNotice)
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{ // notify user that task has continued automatically
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continueNotice = false;
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String clrCmd = ChatColor.AQUA.toString();
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String clrDesc = ChatColor.WHITE.toString();
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sendMessage("World map generation task automatically continuing.");
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sendMessage("Reminder: you can cancel at any time with " + clrCmd + "wb fill cancel" + clrDesc + ", or pause/unpause with " + clrCmd + "wb fill pause" + clrDesc + ".");
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}
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if (pausedForMemory)
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{ // if available memory gets too low, we automatically pause, so handle that
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if (Config.AvailableMemory() < 500)
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return;
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pausedForMemory = false;
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sendMessage("Available memory is sufficient, automatically continuing.");
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}
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if (server == null || !readyToGo || paused)
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return;
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// this is set so it only does one iteration at a time, no matter how frequently the timer fires
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readyToGo = false;
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for (int loop = 0; loop < chunksPerRun; loop++)
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{
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// in case the task has been paused while we're repeating...
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if (paused)
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return;
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// every 10 seconds or so, give basic progress report to let user know how it's going
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if (Config.Now() > lastReport + 10000)
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reportProgress();
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// if we've made it at least partly outside the border, skip past any such chunks
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while (!border.insideBorder((x << 4) + 8, (z << 4) + 8))
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{
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if (!moveToNext())
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return;
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}
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insideBorder = true;
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// skip past any chunks which are currently loaded (they're definitely already generated)
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while (world.isChunkLoaded(x, z))
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{
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insideBorder = true;
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if (!moveToNext())
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return;
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}
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// load the target chunk and generate it if necessary (no way to check if chunk has been generated first, simply have to load it)
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world.loadChunk(x, z, true);
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// There need to be enough nearby chunks loaded to make the server populate a chunk with trees, snow, etc.
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// So, we keep the last few chunks loaded, and need to also temporarily load an extra inside chunk (neighbor closest to center of map)
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int popX = !isZLeg ? x : (x + (isNeg ? -1 : 1));
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int popZ = isZLeg ? z : (z + (!isNeg ? -1 : 1));
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world.loadChunk(popX, popZ, false);
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// Store the coordinates of these latest 2 chunks we just loaded, so we can unload them after a bit...
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storedChunks.add(new coordXZ(x, z));
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storedChunks.add(new coordXZ(popX, popZ));
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// If enough stored chunks are buffered in, go ahead and unload the oldest to free up memory
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if (storedChunks.size() > 6)
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{
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coordXZ coord = storedChunks.remove(0);
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world.unloadChunk(coord.x, coord.z);
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coord = storedChunks.remove(0);
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world.unloadChunk(coord.x, coord.z);
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}
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/* // I ORIGINALLY DID IT THIS WAY INSTEAD: chunks were stored up to 1 full spiral worth to allow them to populate, but...
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// even though it didn't need to re-load extra chunks like above (it just kept them loaded), it was somehow slower
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// I also didn't realize there was a chunk generation memory leak in Bukkit, so I originally ditched this method based on memory usage
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// left the code here, commented out, just for posterity
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// keep track of chunks we loaded, so we can unload them after a bit...
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// we have to keep them loaded for a while to have the server populate them with trees, snow, etc.
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storedChunks.add(new coordXZ(x, z));
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// then see if we're enough chunks ahead that we can unload the oldest one still stored
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if (storedChunks.size() - 3 > (length << 2))
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{
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coordXZ coord = storedChunks.remove(0);
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world.unloadChunk(coord.x, coord.z);
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}
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*/
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// move on to next chunk
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if (!moveToNext())
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return;
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}
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// ready for the next iteration to run
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readyToGo = true;
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}
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// step through chunks in spiral pattern from center; returns false if we're done, otherwise returns true
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public boolean moveToNext()
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{
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reportNum++;
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// keep track of progress in case we need to save to config for restoring progress after server restart
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if (!isNeg && current == 0 && length > 3)
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{
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if (!isZLeg)
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{
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lastLegX = x;
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lastLegZ = z;
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lastLegTotal = reportTotal + reportNum;
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} else {
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refX = lastLegX;
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refZ = lastLegZ;
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refTotal = lastLegTotal;
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refLength = length - 1;
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}
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}
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// make sure of the direction we're moving (X or Z? negative or positive?)
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if (current < length)
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current++;
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else
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{ // one leg/side of the spiral down...
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current = 0;
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isZLeg = !isZLeg;
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if (isZLeg)
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{ // every second leg (between X and Z legs, negative or positive), length increases
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isNeg = !isNeg;
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length++;
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}
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}
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// move one chunk further in the appropriate direction
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if (isZLeg)
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z += (isNeg) ? -1 : 1;
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else
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x += (isNeg) ? -1 : 1;
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// if we've been around one full loop (4 legs)...
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if (isZLeg && isNeg && current == 0)
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{ // see if we've been outside the border for the whole loop
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if (insideBorder == false)
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{ // and finish if so
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finish();
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return false;
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} // otherwise, reset the "inside border" flag
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else
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insideBorder = false;
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}
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return true;
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/* reference diagram used, should move in this pattern:
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* 8 [>][>][>][>][>] etc.
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* [^][6][>][>][>][>][>][6]
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* [^][^][4][>][>][>][4][v]
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* [^][^][^][2][>][2][v][v]
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* [^][^][^][^][0][v][v][v]
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* [^][^][^][1][1][v][v][v]
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* [^][^][3][<][<][3][v][v]
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* [^][5][<][<][<][<][5][v]
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* [7][<][<][<][<][<][<][7]
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*/
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}
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// for successful completion
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public void finish()
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{
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reportProgress();
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world.save();
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sendMessage("task successfully completed!");
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this.stop();
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}
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// for cancelling prematurely
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public void cancel()
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{
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this.stop();
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}
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// we're done, whether finished or cancelled
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private void stop()
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{
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if (server == null)
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return;
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readyToGo = false;
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if (taskID != -1)
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server.getScheduler().cancelTask(taskID);
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server = null;
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// go ahead and unload any chunks we still have loaded
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while(!storedChunks.isEmpty())
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{
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coordXZ coord = storedChunks.remove(0);
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world.unloadChunk(coord.x, coord.z);
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}
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}
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// is this task still valid/workable?
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public boolean valid()
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{
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return this.server != null;
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}
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// handle pausing/unpausing the task
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public void pause()
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{
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if(this.pausedForMemory)
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pause(false);
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else
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pause(!this.paused);
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}
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public void pause(boolean pause)
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{
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if (this.pausedForMemory && !pause)
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this.pausedForMemory = false;
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else
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this.paused = pause;
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if (this.paused)
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{
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Config.StoreFillTask();
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reportProgress();
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}
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else
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Config.UnStoreFillTask();
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}
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public boolean isPaused()
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{
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return this.paused || this.pausedForMemory;
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}
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// let the user know how things are coming along
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private void reportProgress()
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{
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lastReport = Config.Now();
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double perc = ((double)(reportTotal + reportNum) / (double)reportTarget) * 100;
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sendMessage(reportNum + " more map chunks processed (" + (reportTotal + reportNum) + " total, " + ChatColor.GREEN.toString() + Config.coord.format(perc) + "%" + ChatColor.WHITE.toString() + ")");
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reportTotal += reportNum;
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reportNum = 0;
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// try to keep memory usage in check and keep things speedy as much as possible...
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world.save();
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server.savePlayers();
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}
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// send a message to the server console/log and possibly to an in-game player
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private void sendMessage(String text)
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{
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// Due to the apparent chunk generation memory leak, we need to track memory availability
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int availMem = Config.AvailableMemory();
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Config.Log("[Fill] " + text + ChatColor.GOLD.toString() + " (free mem: " + availMem + " MB)");
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if (notifyPlayer != null)
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notifyPlayer.sendMessage("[Fill] " + text);
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if (availMem < 100)
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{ // running low on memory, auto-pause
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pausedForMemory = true;
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Config.StoreFillTask();
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text = "Available memory is very low, task is pausing. Will automatically continue if/when sufficient memory is freed up.\n Alternately, if you restart the server, this task will automatically continue once the server is back up.";
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Config.Log("[Fill] " + text);
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if (notifyPlayer != null)
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notifyPlayer.sendMessage("[Fill] " + text);
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}
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}
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// simple storage class for chunk x/z values
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private static class coordXZ
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{
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public int x, z;
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public coordXZ(int x, int z)
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{
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this.x = x;
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this.z = z;
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}
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}
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// stuff for saving / restoring progress
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public void continueProgress(int x, int z, int length, int totalDone)
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{
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this.x = x;
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this.z = z;
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this.length = length;
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this.reportTotal = totalDone;
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this.continueNotice = true;
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}
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public int refX()
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{
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return refX;
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}
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public int refZ()
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{
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return refZ;
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}
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public int refLength()
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{
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return refLength;
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}
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public int refTotal()
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{
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return refTotal;
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}
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public int refFillDistance()
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{
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return fillDistance;
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}
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public int refTickFrequency()
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{
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return tickFrequency;
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}
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public int refChunksPerRun()
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{
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return chunksPerRun;
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}
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public String refWorld()
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{
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return world.getName();
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}
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}
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