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SPIGOT-6025: Do not NPE when target world of a compass no longer exists

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Brokkonaut 2020-08-31 17:12:48 +10:00 committet von md_5
Ursprung 00bff02703
Commit 6008e6660a
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: E8E901AC7C617C11
1 geänderte Dateien mit 67 neuen und 30 gelöschten Zeilen
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97
src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaCompass.java
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@ -9,7 +9,9 @@ import net.minecraft.server.DynamicOpsNBT;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.NBTBase;
import net.minecraft.server.NBTTagCompound;
import net.minecraft.server.NBTTagString;
import net.minecraft.server.ResourceKey;
import net.minecraft.server.WorldServer;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.World;
@ -22,9 +24,16 @@ public class CraftMetaCompass extends CraftMetaItem implements CompassMeta {
static final ItemMetaKey LODESTONE_DIMENSION = new ItemMetaKey("LodestoneDimension");
static final ItemMetaKey LODESTONE_POS = new ItemMetaKey("LodestonePos", "lodestone");
static final ItemMetaKey LODESTONE_POS_WORLD = new ItemMetaKey("LodestonePosWorld");
static final ItemMetaKey LODESTONE_POS_X = new ItemMetaKey("LodestonePosX");
static final ItemMetaKey LODESTONE_POS_Y = new ItemMetaKey("LodestonePosY");
static final ItemMetaKey LODESTONE_POS_Z = new ItemMetaKey("LodestonePosZ");
static final ItemMetaKey LODESTONE_TRACKED = new ItemMetaKey("LodestoneTracked");
private Location lodestone;
private NBTTagString lodestoneWorld;
private int lodestoneX;
private int lodestoneY;
private int lodestoneZ;
private Boolean tracked;
CraftMetaCompass(CraftMetaItem meta) {
@ -33,21 +42,21 @@ public class CraftMetaCompass extends CraftMetaItem implements CompassMeta {
return;
}
CraftMetaCompass compassMeta = (CraftMetaCompass) meta;
lodestone = compassMeta.lodestone.clone();
lodestoneWorld = compassMeta.lodestoneWorld;
lodestoneX = compassMeta.lodestoneX;
lodestoneY = compassMeta.lodestoneY;
lodestoneZ = compassMeta.lodestoneZ;
tracked = compassMeta.tracked;
}
CraftMetaCompass(NBTTagCompound tag) {
super(tag);
if (tag.hasKey(LODESTONE_DIMENSION.NBT) && tag.hasKey(LODESTONE_POS.NBT)) {
Optional<ResourceKey<net.minecraft.server.World>> key = net.minecraft.server.World.f.parse(DynamicOpsNBT.a, tag.get(LODESTONE_DIMENSION.NBT)).result();
if (key.isPresent()) {
World world = MinecraftServer.getServer().getWorldServer(key.get()).getWorld();
NBTTagCompound pos = tag.getCompound(LODESTONE_POS.NBT);
lodestone = new Location(world, pos.getInt("X"), pos.getInt("Y"), pos.getInt("Z"));
}
lodestoneWorld = (NBTTagString) tag.get(LODESTONE_DIMENSION.NBT);
NBTTagCompound pos = tag.getCompound(LODESTONE_POS.NBT);
lodestoneX = pos.getInt("X");
lodestoneY = pos.getInt("Y");
lodestoneZ = pos.getInt("Z");
}
if (tag.hasKey(LODESTONE_TRACKED.NBT)) {
tracked = tag.getBoolean(LODESTONE_TRACKED.NBT);
@ -56,8 +65,19 @@ public class CraftMetaCompass extends CraftMetaItem implements CompassMeta {
CraftMetaCompass(Map<String, Object> map) {
super(map);
lodestone = SerializableMeta.getObject(Location.class, map, LODESTONE_POS.BUKKIT, true);
String lodestoneWorldString = SerializableMeta.getString(map, LODESTONE_POS_WORLD.BUKKIT, true);
if (lodestoneWorldString != null) {
lodestoneWorld = NBTTagString.a(lodestoneWorldString);
lodestoneX = (Integer) map.get(LODESTONE_POS_X.BUKKIT);
lodestoneY = (Integer) map.get(LODESTONE_POS_Y.BUKKIT);
lodestoneZ = (Integer) map.get(LODESTONE_POS_Z.BUKKIT);
} else {
// legacy
Location lodestone = SerializableMeta.getObject(Location.class, map, LODESTONE_POS.BUKKIT, true);
if (lodestone != null && lodestone.getWorld() != null) {
setLodestone(lodestone);
}
}
tracked = SerializableMeta.getBoolean(map, LODESTONE_TRACKED.BUKKIT);
}
@ -65,17 +85,13 @@ public class CraftMetaCompass extends CraftMetaItem implements CompassMeta {
void applyToItem(NBTTagCompound tag) {
super.applyToItem(tag);
if (lodestone != null) {
if (lodestoneWorld != null) {
NBTTagCompound pos = new NBTTagCompound();
pos.setInt("X", lodestone.getBlockX());
pos.setInt("Y", lodestone.getBlockY());
pos.setInt("Z", lodestone.getBlockZ());
pos.setInt("X", lodestoneX);
pos.setInt("Y", lodestoneY);
pos.setInt("Z", lodestoneZ);
tag.set(LODESTONE_POS.NBT, pos);
ResourceKey<net.minecraft.server.World> key = ((CraftWorld) lodestone.getWorld()).getHandle().getDimensionKey();
DataResult<NBTBase> dataresult = net.minecraft.server.World.f.encodeStart(DynamicOpsNBT.a, key);
tag.set(LODESTONE_DIMENSION.NBT, dataresult.get().orThrow());
tag.set(LODESTONE_DIMENSION.NBT, lodestoneWorld);
}
if (tracked != null) {
@ -100,25 +116,38 @@ public class CraftMetaCompass extends CraftMetaItem implements CompassMeta {
@Override
public CraftMetaCompass clone() {
CraftMetaCompass clone = ((CraftMetaCompass) super.clone());
clone.lodestone = (lodestone == null) ? null : lodestone.clone();
clone.tracked = tracked;
return clone;
}
@Override
public boolean hasLodestone() {
return lodestone != null;
return lodestoneWorld != null;
}
@Override
public Location getLodestone() {
return lodestone;
if (lodestoneWorld == null) {
return null;
}
Optional<ResourceKey<net.minecraft.server.World>> key = net.minecraft.server.World.f.parse(DynamicOpsNBT.a, lodestoneWorld).result();
WorldServer worldServer = key.isPresent() ? MinecraftServer.getServer().getWorldServer(key.get()) : null;
World world = worldServer != null ? worldServer.getWorld() : null;
return new Location(world, lodestoneX, lodestoneY, lodestoneZ); // world may be null here, if the referenced world is not loaded
}
@Override
public void setLodestone(Location lodestone) {
Preconditions.checkArgument(lodestone != null && lodestone.getWorld() != null, "Location or world null");
this.lodestone = lodestone;
Preconditions.checkArgument(lodestone == null || lodestone.getWorld() != null, "world is null");
if (lodestone == null) {
this.lodestoneWorld = null;
} else {
ResourceKey<net.minecraft.server.World> key = ((CraftWorld) lodestone.getWorld()).getHandle().getDimensionKey();
DataResult<NBTBase> dataresult = net.minecraft.server.World.f.encodeStart(DynamicOpsNBT.a, key);
this.lodestoneWorld = (NBTTagString) dataresult.get().orThrow();
this.lodestoneX = lodestone.getBlockX();
this.lodestoneY = lodestone.getBlockY();
this.lodestoneZ = lodestone.getBlockZ();
}
}
boolean hasLodestoneTracked() {
@ -140,7 +169,10 @@ public class CraftMetaCompass extends CraftMetaItem implements CompassMeta {
final int original;
int hash = original = super.applyHash();
if (hasLodestone()) {
hash = 73 * hash + lodestone.hashCode();
hash = 73 * hash + lodestoneWorld.hashCode();
hash = 73 * hash + lodestoneX;
hash = 73 * hash + lodestoneY;
hash = 73 * hash + lodestoneZ;
}
if (hasLodestoneTracked()) {
hash = 73 * hash + (isLodestoneTracked() ? 1231 : 1237);
@ -157,7 +189,9 @@ public class CraftMetaCompass extends CraftMetaItem implements CompassMeta {
if (meta instanceof CraftMetaCompass) {
CraftMetaCompass that = (CraftMetaCompass) meta;
return (this.hasLodestone() ? that.hasLodestone() && this.lodestone.equals(that.lodestone) : !that.hasLodestone())
return (this.hasLodestone() ? that.hasLodestone() && this.lodestoneWorld.asString().equals(that.lodestoneWorld.asString())
&& this.lodestoneX == that.lodestoneX && this.lodestoneY == that.lodestoneY
&& this.lodestoneZ == that.lodestoneZ : !that.hasLodestone())
&& this.tracked == that.tracked;
}
return true;
@ -173,7 +207,10 @@ public class CraftMetaCompass extends CraftMetaItem implements CompassMeta {
super.serialize(builder);
if (hasLodestone()) {
builder.put(LODESTONE_POS.BUKKIT, lodestone);
builder.put(LODESTONE_POS_WORLD.BUKKIT, lodestoneWorld.asString());
builder.put(LODESTONE_POS_X.BUKKIT, lodestoneX);
builder.put(LODESTONE_POS_Y.BUKKIT, lodestoneY);
builder.put(LODESTONE_POS_Z.BUKKIT, lodestoneZ);
}
if (hasLodestoneTracked()) {
builder.put(LODESTONE_TRACKED.BUKKIT, tracked);