Added a fallback for the case when numerical IDs have been removed from Bukkit

This fixes webbukkit/dynmap#3418.

The idea is to catch the case when numeric IDs have been removed from the code base and to then just use a fallback. Also doing it this way ensures maxium longevity, as `Material#getID` will be among the last ones removed, while other methods to get the numerical ID will get likely get removed earlier
This commit is contained in:
BrainStone 2021-07-18 03:19:56 +02:00
parent 40fb487fcd
commit f6c45adc5f
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GPG Key ID: 66CCC234C2CEB306
1 changed files with 25 additions and 3 deletions

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@ -15,6 +15,7 @@ import java.util.concurrent.Callable;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicBoolean;
import org.bstats.bukkit.Metrics;
import org.bukkit.Bukkit;
@ -172,6 +173,27 @@ public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
}
}
// Nonblocking thread safety
private static final AtomicBoolean tryNativeId = new AtomicBoolean(true);
@SuppressWarnings("deprecation")
private static final int getBlockIdFromMaterial(Material material) {
if (tryNativeId.get()) {
try {
return material.getId();
} catch (NoSuchMethodError e) {
// We failed once, no need to retry
tryNativeId.set(false);
}
}
// We're living in a world where numerical IDs have been phased out completely.
// Let's return *some* number, because we need one
return material.ordinal();
}
private static final int getBlockIdFromBlock(Block block) {
return getBlockIdFromMaterial(block.getType());
}
private class BukkitEnableCoreCallback extends DynmapCore.EnableCoreCallbacks {
@Override
public void configurationLoaded() {
@ -213,7 +235,7 @@ public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
public int getBlockIDAt(String wname, int x, int y, int z) {
World w = getServer().getWorld(wname);
if((w != null) && w.isChunkLoaded(x >> 4, z >> 4)) {
return w.getBlockTypeIdAt(x, y, z);
return getBlockIdFromBlock(w.getBlockAt(x, y, z));
}
return -1;
}
@ -1186,7 +1208,7 @@ public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
World w = loc.getWorld();
if(!w.isChunkLoaded(loc.getBlockX()>>4, loc.getBlockZ()>>4))
continue;
int bt = w.getBlockTypeIdAt(loc);
int bt = getBlockIdFromBlock(w.getBlockAt(loc));
/* Avoid stationary and moving water churn */
if(bt == 9) bt = 8;
if(btt.typeid == 9) btt.typeid = 8;
@ -1213,7 +1235,7 @@ public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
private void checkBlock(Block b, String trigger) {
BlockToCheck btt = new BlockToCheck();
btt.loc = b.getLocation();
btt.typeid = b.getTypeId();
btt.typeid = getBlockIdFromBlock(b);
btt.data = b.getData();
btt.trigger = trigger;
blocks_to_check_accum.add(btt); /* Add to accumulator */