build: Release 6.9.4

* replace usages of snow tag

* powder snow is 1.17+

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

@@ -121,6 +121,23 @@ public class BlockEventListener implements Listener {
             Material.TURTLE_EGG,
             Material.TURTLE_SPAWN_EGG
     );
+    private static final Set<Material> SNOW;  // needed as Tag.SNOW isn't present in 1.16.5
+
+    static {
+        if (PlotSquared.platform().serverVersion()[1] < 17) {
+            SNOW = Set.of(
+                    Material.SNOW,
+                    Material.SNOW_BLOCK
+            );
+        } else {
+            SNOW = Set.of(
+                    Material.SNOW,
+                    Material.SNOW_BLOCK,
+                    Material.POWDER_SNOW // only since 1.17
+            );
+        }
+    }
+
     private final PlotAreaManager plotAreaManager;
     private final WorldEdit worldEdit;
 
@@ -529,7 +546,7 @@ public class BlockEventListener implements Listener {
             event.setCancelled(true);
             return;
         }
-        if (Tag.SNOW.isTagged(event.getNewState().getType())) {
+        if (SNOW.contains(event.getNewState().getType())) {
             if (!plot.getFlag(SnowFormFlag.class)) {
                 plot.debug("Snow could not form because snow-form = false");
                 event.setCancelled(true);
@@ -561,7 +578,7 @@ public class BlockEventListener implements Listener {
             return;
         }
         Class<? extends BooleanFlag<?>> flag;
-        if (Tag.SNOW.isTagged(event.getNewState().getType())) {
+        if (SNOW.contains(event.getNewState().getType())) {
             flag = SnowFormFlag.class;
         } else if (Tag.ICE.isTagged(event.getNewState().getType())) {
             flag = IceFormFlag.class;
@@ -678,7 +695,7 @@ public class BlockEventListener implements Listener {
             }
             return;
         }
-        if (Tag.SNOW.isTagged(blockType)) {
+        if (SNOW.contains(blockType)) {
             if (!plot.getFlag(SnowMeltFlag.class)) {
                 plot.debug("Snow could not melt because snow-melt = false");
                 event.setCancelled(true);

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

@@ -126,16 +126,16 @@ public class EntitySpawnListener implements Listener {
         Plot plot = location.getOwnedPlotAbs();
         EntityType type = entity.getType();
         if (plot == null) {
+            if (type == EntityType.DROPPED_ITEM) {
+                if (Settings.Enabled_Components.KILL_ROAD_ITEMS) {
+                    event.setCancelled(true);
+                }
+                return;
+            }
             if (!area.isMobSpawning()) {
                 if (type == EntityType.PLAYER) {
                     return;
                 }
-                if (type == EntityType.DROPPED_ITEM) {
-                    if (Settings.Enabled_Components.KILL_ROAD_ITEMS) {
-                        event.setCancelled(true);
-                    }
-                    return;
-                }
                 if (type.isAlive()) {
                     event.setCancelled(true);
                 }

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

@@ -229,17 +229,17 @@ public class PaperListener implements Listener {
         Plot plot = location.getOwnedPlotAbs();
         if (plot == null) {
             EntityType type = event.getType();
+            // PreCreatureSpawnEvent **should** not be called for DROPPED_ITEM, just for the sake of consistency
+            if (type == EntityType.DROPPED_ITEM) {
+                if (Settings.Enabled_Components.KILL_ROAD_ITEMS) {
+                    event.setCancelled(true);
+                }
+                return;
+            }
             if (!area.isMobSpawning()) {
                 if (type == EntityType.PLAYER) {
                     return;
                 }
-                if (type == EntityType.DROPPED_ITEM) {
-                    if (Settings.Enabled_Components.KILL_ROAD_ITEMS) {
-                        event.setShouldAbortSpawn(true);
-                        event.setCancelled(true);
-                    }
-                    return;
-                }
                 if (type.isAlive()) {
                     event.setShouldAbortSpawn(true);
                     event.setCancelled(true);

build.gradle.kts

@@ -19,7 +19,7 @@ plugins {
 }
 
 group = "com.plotsquared"
-version = "6.9.4-SNAPSHOT"
+version = "6.9.4"
 
 subprojects {
     group = rootProject.group