fix: special handle thrown eggs for projectile hit checks (#4728)

Cancelling the ProjectileHitEvent will not cover for thrown eggs spawning chickens due to how Bukkit has these events structured. The provided patch calls the same code used for normal projectiles in the specialized egg event to prevent unwanted chickens from spawning on other plots.

Signed-off-by: FlorianMichael <florian.michael07@gmail.com>

Bukkit/src/main/java/com/plotsquared/bukkit/generator/BukkitPlotGenerator.java

@@ -90,7 +90,12 @@ public class BukkitPlotGenerator extends ChunkGenerator implements GeneratorWrap
         this.plotGenerator = generator;
         this.platformGenerator = this;
         this.populators = new ArrayList<>();
+        int minecraftMinorVersion = PlotSquared.platform().serverVersion()[1];
+        if (minecraftMinorVersion >= 17) {
             this.populators.add(new BlockStatePopulator(this.plotGenerator));
+        } else {
+            this.populators.add(new LegacyBlockStatePopulator(this.plotGenerator));
+        }
         this.full = true;
         this.useNewGenerationMethods = PlotSquared.platform().serverVersion()[1] >= 19;
         this.biomeProvider = new BukkitPlotBiomeProvider();

Bukkit/src/main/java/com/plotsquared/bukkit/generator/LegacyBlockStatePopulator.java

@@ -36,7 +36,6 @@ import org.checkerframework.checker.nullness.qual.NonNull;
 
 import java.util.Random;
 
-@Deprecated(since = "TODO")
 final class LegacyBlockStatePopulator extends BlockPopulator {
 
     private final IndependentPlotGenerator plotGenerator;

Bukkit/src/main/java/com/plotsquared/bukkit/listener/ProjectileEventListener.java

@@ -47,6 +47,7 @@ import org.bukkit.event.entity.LingeringPotionSplashEvent;
 import org.bukkit.event.entity.PotionSplashEvent;
 import org.bukkit.event.entity.ProjectileHitEvent;
 import org.bukkit.event.entity.ProjectileLaunchEvent;
+import org.bukkit.event.player.PlayerEggThrowEvent;
 import org.bukkit.projectiles.BlockProjectileSource;
 import org.bukkit.projectiles.ProjectileSource;
 import org.checkerframework.checker.nullness.qual.NonNull;
@@ -157,14 +158,26 @@ public class ProjectileEventListener implements Listener {
 
     @EventHandler
     public void onProjectileHit(ProjectileHitEvent event) {
-        Projectile entity = event.getEntity();
+        if (cancelProjectileHit(event.getEntity())) {
+            event.setCancelled(true);
+        }
+    }
+
+    @EventHandler
+    public void onPlayerEggThrow(PlayerEggThrowEvent event) {
+        if (cancelProjectileHit(event.getEgg())) {
+            event.setHatching(false);
+        }
+    }
+
+    private boolean cancelProjectileHit(Projectile entity) {
         Location location = BukkitUtil.adapt(entity.getLocation());
         if (!this.plotAreaManager.hasPlotArea(location.getWorldName())) {
-            return;
+            return false;
         }
         PlotArea area = location.getPlotArea();
         if (area == null) {
-            return;
+            return false;
         }
         Plot plot = area.getPlot(location);
         ProjectileSource shooter = entity.getShooter();
@@ -172,15 +185,14 @@ public class ProjectileEventListener implements Listener {
             if (!((Player) shooter).isOnline()) {
                 if (plot != null) {
                     if (plot.isAdded(((Player) shooter).getUniqueId()) || plot.getFlag(ProjectilesFlag.class)) {
-                        return;
+                        return false;
                     }
                 } else if (PlotFlagUtil.isAreaRoadFlagsAndFlagEquals(area, ProjectilesFlag.class, true)) {
-                    return;
+                    return false;
                 }
 
                 entity.remove();
-                event.setCancelled(true);
-                return;
+                return true;
             }
 
             PlotPlayer<?> pp = BukkitUtil.adapt((Player) shooter);
@@ -189,38 +201,36 @@ public class ProjectileEventListener implements Listener {
                         Permission.PERMISSION_ADMIN_PROJECTILE_UNOWNED
                 )) {
                     entity.remove();
-                    event.setCancelled(true);
+                    return true;
                 }
-                return;
+                return false;
             }
             if (plot.isAdded(pp.getUUID()) || pp.hasPermission(Permission.PERMISSION_ADMIN_PROJECTILE_OTHER) || plot.getFlag(
                     ProjectilesFlag.class) || (entity instanceof FishHook && plot.getFlag(
                     FishingFlag.class))) {
-                return;
+                return false;
             }
             entity.remove();
-            event.setCancelled(true);
-            return;
+            return true;
         }
         if (!(shooter instanceof Entity) && shooter != null) {
             if (plot == null) {
                 entity.remove();
-                event.setCancelled(true);
-                return;
+                return true;
             }
             Location sLoc =
                     BukkitUtil.adapt(((BlockProjectileSource) shooter).getBlock().getLocation());
             if (!area.contains(sLoc.getX(), sLoc.getZ())) {
                 entity.remove();
-                event.setCancelled(true);
-                return;
+                return true;
             }
             Plot sPlot = area.getOwnedPlotAbs(sLoc);
             if (sPlot == null || !PlotHandler.sameOwners(plot, sPlot)) {
                 entity.remove();
-                event.setCancelled(true);
+                return true;
             }
         }
+        return false;
     }
 
 }

Bukkit/src/main/java/com/plotsquared/bukkit/schematic/StateWrapper.java

@@ -21,7 +21,6 @@ package com.plotsquared.bukkit.schematic;
 import com.destroystokyo.paper.profile.PlayerProfile;
 import com.destroystokyo.paper.profile.ProfileProperty;
 import com.plotsquared.bukkit.util.BukkitUtil;
-import com.plotsquared.core.PlotSquared;
 import com.sk89q.jnbt.ByteTag;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.ListTag;
@@ -37,8 +36,6 @@ import org.apache.logging.log4j.Logger;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.DyeColor;
-import org.bukkit.NamespacedKey;
-import org.bukkit.Registry;
 import org.bukkit.World;
 import org.bukkit.block.Banner;
 import org.bukkit.block.Block;
@@ -47,36 +44,26 @@ import org.bukkit.block.Sign;
 import org.bukkit.block.Skull;
 import org.bukkit.block.banner.Pattern;
 import org.bukkit.block.banner.PatternType;
-import org.bukkit.block.sign.Side;
-import org.bukkit.block.sign.SignSide;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 import org.checkerframework.checker.nullness.qual.NonNull;
-import org.jetbrains.annotations.ApiStatus;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
-import java.util.Locale;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Objects;
 import java.util.UUID;
-import java.util.function.BiConsumer;
 
-// TODO: somehow unbreak this class so it doesn't fuck up the whole schematic population system due to MC updates
-@ApiStatus.Internal
 public class StateWrapper {
 
-    private static final Logger LOGGER = LogManager.getLogger("PlotSquared/" + StateWrapper.class.getSimpleName());
-    private static final boolean MODERN_SIGNS = PlotSquared.platform().serverVersion()[1] > 19;
-    private final Registry<PatternType> PATTERN_TYPE_REGISTRY = Objects.requireNonNull(Bukkit.getRegistry(PatternType.class));
-
-    private static boolean paperErrorTextureSent = false;
-
     public CompoundTag tag;
 
+    private boolean paperErrorTextureSent = false;
+    private static final Logger LOGGER = LogManager.getLogger("PlotSquared/" + StateWrapper.class.getSimpleName());
+
     public StateWrapper(CompoundTag tag) {
         this.tag = tag;
     }
@@ -225,9 +212,9 @@ public class StateWrapper {
                     if (type == null) {
                         continue;
                     }
-                    int count = itemComp.containsKey("count") ? itemComp.getInt("count") : itemComp.getByte("Count");
+                    int count = itemComp.getByte("Count");
                     int slot = itemComp.getByte("Slot");
-                    CompoundTag tag = (CompoundTag) itemComp.getValue().get(itemComp.containsKey("tag") ? "tag" : "components");
+                    CompoundTag tag = (CompoundTag) itemComp.getValue().get("tag");
                     BaseItemStack baseItemStack = new BaseItemStack(type, tag, count);
                     ItemStack itemStack = BukkitAdapter.adapt(baseItemStack);
                     inv.setItem(slot, itemStack);
@@ -236,63 +223,83 @@ public class StateWrapper {
                 return true;
             }
             case "sign" -> {
-                if (state instanceof Sign sign && this.restoreSign(sign)) {
-                    state.update(true, false);
+                if (state instanceof Sign sign) {
+                    sign.setLine(0, jsonToColourCode(tag.getString("Text1")));
+                    sign.setLine(1, jsonToColourCode(tag.getString("Text2")));
+                    sign.setLine(2, jsonToColourCode(tag.getString("Text3")));
+                    sign.setLine(3, jsonToColourCode(tag.getString("Text4")));
+                    state.update(true);
                     return true;
                 }
                 return false;
             }
             case "skull" -> {
-                if (state instanceof Skull skull && this.restoreSkull(skull)) {
-                    skull.update(true, false);
+                if (state instanceof Skull skull) {
+                    CompoundTag skullOwner = ((CompoundTag) this.tag.getValue().get("SkullOwner"));
+                    if (skullOwner == null) {
                         return true;
                     }
+                    String player = skullOwner.getString("Name");
+
+                    if (player != null && !player.isEmpty()) {
+                        try {
+                            skull.setOwningPlayer(Bukkit.getOfflinePlayer(player));
+                            skull.update(true);
+                        } catch (Exception e) {
+                            e.printStackTrace();
+                        }
+                        return true;
+                    }
+
+                    final CompoundTag properties = (CompoundTag) skullOwner.getValue().get("Properties");
+                    if (properties == null) {
+                        return false;
+                    }
+                    final ListTag textures = properties.getListTag("textures");
+                    if (textures.getValue().isEmpty()) {
+                        return false;
+                    }
+                    final CompoundTag textureCompound = (CompoundTag) textures.getValue().get(0);
+                    if (textureCompound == null) {
+                        return false;
+                    }
+                    String textureValue = textureCompound.getString("Value");
+                    if (textureValue == null) {
+                        return false;
+                    }
+                    if (!PaperLib.isPaper()) {
+                        if (!paperErrorTextureSent) {
+                            paperErrorTextureSent = true;
+                            LOGGER.error("Failed to populate skull data in your road schematic - This is a Spigot limitation.");
+                        }
+                        return false;
+                    }
+                    final PlayerProfile profile = Bukkit.createProfile(UUID.randomUUID());
+                    profile.setProperty(new ProfileProperty("textures", textureValue));
+                    skull.setPlayerProfile(profile);
+                    skull.update(true);
+                    return true;
+
+                }
                 return false;
             }
             case "banner" -> {
                 if (state instanceof Banner banner) {
-                    List<CompoundTag> patterns;
-                    // "old" format
-                    if ((patterns = this.tag.getList("Patterns", CompoundTag.class)) != null && !patterns.isEmpty()) {
-                        banner.setPatterns(patterns.stream().map(compoundTag -> {
+                    List<Tag> patterns = this.tag.getListTag("Patterns").getValue();
+                    if (patterns == null || patterns.isEmpty()) {
+                        return false;
+                    }
+                    banner.setPatterns(patterns.stream().map(t -> (CompoundTag) t).map(compoundTag -> {
                         DyeColor color = DyeColor.getByWoolData((byte) compoundTag.getInt("Color"));
-                            final PatternType patternType = PATTERN_TYPE_REGISTRY.get(Objects.requireNonNull(
-                                    NamespacedKey.fromString(compoundTag.getString("Pattern"))
-                            ));
+                        PatternType patternType = PatternType.getByIdentifier(compoundTag.getString("Pattern"));
                         if (color == null || patternType == null) {
                             return null;
                         }
                         return new Pattern(color, patternType);
                     }).filter(Objects::nonNull).toList());
-                        banner.update(true, false);
+                    banner.update(true);
                     return true;
                 }
-
-                    // "new" format - since 1.21.3-ish
-                    if ((patterns = this.tag.getList("patterns", CompoundTag.class)) != null && !patterns.isEmpty()) {
-                        for (final CompoundTag patternTag : patterns) {
-                            final String color = patternTag.getString("color");
-                            if (color.isEmpty()) {
-                                continue;
-                            }
-                            final Tag pattern = patternTag.getValue().get("pattern");
-                            if (pattern instanceof StringTag patternString && !patternString.getValue().isEmpty()) {
-                                final PatternType patternType = PATTERN_TYPE_REGISTRY.get(Objects.requireNonNull(
-                                        NamespacedKey.fromString(patternString.getValue())
-                                ));
-                                if (patternType == null) {
-                                    continue;
-                                }
-                                banner.addPattern(new Pattern(
-                                        DyeColor.legacyValueOf(color.toUpperCase(Locale.ROOT)),
-                                        patternType
-                                ));
-                            }
-                            // not supporting banner pattern definitions (no API available)
-                        }
-                        banner.update(true, false);
-                    }
-                }
                 return false;
             }
         }
@@ -339,150 +346,4 @@ public class StateWrapper {
         return data;
     }
 
-    private boolean restoreSkull(Skull skull) {
-        boolean updated = false;
-        // can't support custom_name - Spigot does not provide any API for that
-        if (this.tag.containsKey("note_block_sound")) {
-            skull.setNoteBlockSound(NamespacedKey.fromString(this.tag.getString("note_block_sound")));
-            updated = true;
-        }
-        // modern format - MC 1.21.3-ish
-        if (this.tag.containsKey("profile")) {
-            final Tag profile = this.tag.getValue().get("profile");
-            if (profile instanceof StringTag stringTag) {
-                final String name = stringTag.getValue();
-                if (name != null && !name.isEmpty()) {
-                    skull.setOwningPlayer(Bukkit.getOfflinePlayer(name));
-                    return true;
-                }
-                return updated;
-            }
-            if (profile instanceof CompoundTag compoundTag) {
-                final List<Tag> properties = compoundTag.getList("properties");
-                if (properties != null && !properties.isEmpty()) {
-                    if (!PaperLib.isPaper()) {
-                        if (!paperErrorTextureSent) {
-                            paperErrorTextureSent = true;
-                            LOGGER.error("Failed to populate schematic skull data - this is a Spigot limitation.");
-                        }
-                        return updated;
-                    }
-                    for (final Tag propertyTag : properties) {
-                        if (!(propertyTag instanceof CompoundTag property)) {
-                            continue;
-                        }
-                        if (!property.getString("name").equals("textures")) {
-                            continue;
-                        }
-                        final String value = property.getString("value");
-                        final String signature = property.containsKey("signature") ? property.getString("signature") : null;
-                        final PlayerProfile playerProfile = Bukkit.createProfile(UUID.randomUUID());
-                        playerProfile.setProperty(new ProfileProperty("textures", value, signature));
-                        skull.setPlayerProfile(playerProfile);
-                        return true;
-                    }
-                    return updated;
-                }
-                final int[] id = compoundTag.getIntArray("id");
-                if (id != null && id.length == 4) {
-                    skull.setOwningPlayer(Bukkit.getOfflinePlayer(new UUID(
-                            (long) id[0] << 32 | (id[1] & 0xFFFFFFFFL),
-                            (long) id[2] << 32 | (id[3] & 0xFFFFFFFFL)
-                    )));
-                    return true;
-                }
-                final String name = compoundTag.getString("name");
-                if (name != null && !name.isEmpty()) {
-                    skull.setOwningPlayer(Bukkit.getOfflinePlayer(name));
-                    return true;
-                }
-            }
-        }
-
-        // "Old" MC format (idk when it got updated)
-        if (this.tag.getValue().get("SkullOwner") instanceof CompoundTag skullOwner) {
-            if (skullOwner.getValue().get("Name") instanceof StringTag ownerName && !ownerName.getValue().isEmpty()) {
-                skull.setOwningPlayer(Bukkit.getOfflinePlayer(ownerName.getValue()));
-                skull.update(true);
-                return true;
-            }
-            if (skullOwner.getValue().get("Properties") instanceof CompoundTag properties) {
-                if (!paperErrorTextureSent) {
-                    paperErrorTextureSent = true;
-                    LOGGER.error("Failed to populate schematic skull data - this is a Spigot limitation.");
-                    return updated;
-                }
-                final List<CompoundTag> textures = properties.getList("textures", CompoundTag.class);
-                if (textures.isEmpty()) {
-                    return updated;
-                }
-                final String value = textures.get(0).getString("Value");
-                if (!value.isEmpty()) {
-                    final PlayerProfile profile = Bukkit.createProfile(UUID.randomUUID());
-                    profile.setProperty(new ProfileProperty("textures", value));
-                    skull.setPlayerProfile(profile);
-                    return true;
-                }
-            }
-        }
-        return updated;
-    }
-
-    private boolean restoreSign(Sign sign) {
-        // "old" format (pre 1.20)
-        if (this.tag.containsKey("Text1") || this.tag.containsKey("Text2")
-                || this.tag.containsKey("Text3") || this.tag.containsKey("Text4")) {
-            if (!MODERN_SIGNS) {
-                sign.setLine(0, jsonToColourCode(tag.getString("Text1")));
-                sign.setLine(1, jsonToColourCode(tag.getString("Text2")));
-                sign.setLine(2, jsonToColourCode(tag.getString("Text3")));
-                sign.setLine(3, jsonToColourCode(tag.getString("Text4")));
-                sign.setGlowingText(tag.getByte("GlowingText") == 1);
-                if (tag.getValue().get("Color") instanceof StringTag colorTag && !colorTag.getValue().isEmpty()) {
-                    sign.setColor(DyeColor.legacyValueOf(colorTag.getValue()));
-                }
-                return true;
-            }
-            SignSide front = sign.getSide(Side.FRONT);
-            front.setLine(0, jsonToColourCode(tag.getString("Text1")));
-            front.setLine(1, jsonToColourCode(tag.getString("Text2")));
-            front.setLine(2, jsonToColourCode(tag.getString("Text3")));
-            front.setLine(3, jsonToColourCode(tag.getString("Text4")));
-            front.setGlowingText(tag.getByte("GlowingText") == 1);
-            if (tag.getValue().get("Color") instanceof StringTag colorTag && !colorTag.getValue().isEmpty()) {
-                front.setColor(DyeColor.legacyValueOf(colorTag.getValue()));
-            }
-            return true;
-        }
-
-        // "modern" format
-        if (this.tag.containsKey("front_text") || this.tag.containsKey("back_text") || this.tag.containsKey("is_waxed")) {
-            // the new format on older servers shouldn't be possible, I hope?
-            sign.setWaxed(this.tag.getByte("is_waxed") == 1);
-            BiConsumer<SignSide, CompoundTag> sideSetter = (signSide, compoundTag) -> {
-                signSide.setGlowingText(compoundTag.getByte("has_glowing_text") == 1);
-                if (tag.getValue().get("color") instanceof StringTag colorTag && !colorTag.getValue().isEmpty()) {
-                    signSide.setColor(DyeColor.legacyValueOf(colorTag.getValue()));
-                }
-                final List<Tag> lines = compoundTag.getList("messages");
-                for (int i = 0; i < Math.min(lines.size(), 4); i++) {
-                    final Tag line = lines.get(i);
-                    if (line instanceof StringTag stringLine) {
-                        signSide.setLine(i, jsonToColourCode(stringLine.getValue()));
-                        continue;
-                    }
-                    // TODO: how tf support list of components + components - utilize paper + adventure?
-                }
-            };
-            if (this.tag.getValue().get("front_text") instanceof CompoundTag frontText) {
-                sideSetter.accept(sign.getSide(Side.FRONT), frontText);
-            }
-            if (this.tag.getValue().get("back_text") instanceof CompoundTag backText) {
-                sideSetter.accept(sign.getSide(Side.BACK), backText);
-            }
-            return true;
-        }
-        return false;
-    }
-
 }