Support latched tree felling

- Add a run hook controlling continued sneaking.
- Preserve latched runs when players release sneak.

adapters/bukkit/plugin/src/main/java/art/arcane/iris/api/tree/TreeFellerRunHooks.java

@@ -1,6 +1,10 @@
 package art.arcane.iris.api.tree;
 
 public interface TreeFellerRunHooks {
+    default boolean requiresSneaking() {
+        return true;
+    }
+
     TreeFellerRunHooks NONE = new TreeFellerRunHooks() {
         @Override
         public void onActivationAccepted() {

adapters/bukkit/plugin/src/main/java/art/arcane/iris/world/tree/TreeFellerSVC.java

@@ -219,7 +219,7 @@ public class TreeFellerSVC implements IrisService, IrisTreeFellerService {
     @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
     public void haltWhenSneakingStops(PlayerToggleSneakEvent event) {
         if (!event.isSneaking()) {
-            runner.finishRuns(event.getPlayer().getUniqueId());
+            runner.finishSneakRuns(event.getPlayer().getUniqueId());
         }
     }
 

adapters/bukkit/plugin/src/main/java/art/arcane/iris/world/tree/TreeFellingRunner.java

@@ -523,10 +523,15 @@ final class TreeFellingRunner {
     }
 
     private boolean isRunControlActive(FellingRun run, Player player) {
-        return player.isOnline()
-                && player.getGameMode() == GameMode.SURVIVAL
-                && player.isSneaking()
-                && player.getWorld().equals(run.candidate.world());
+        try {
+            return player.isOnline()
+                    && player.getGameMode() == GameMode.SURVIVAL
+                    && (!run.runHooks.requiresSneaking() || player.isSneaking())
+                    && player.getWorld().equals(run.candidate.world());
+        } catch (RuntimeException error) {
+            IrisLogging.reportError("An Iris tree-feller integration control check failed.", error);
+            return false;
+        }
     }
 
     private boolean reserveLogCost(FellingRun run) {
@@ -622,6 +627,24 @@ final class TreeFellingRunner {
         }
     }
 
+    void finishSneakRuns(UUID playerId) {
+        Set<FellingRun> runs = service.activeRuns.get(playerId);
+        if (runs == null) {
+            return;
+        }
+        for (FellingRun run : List.copyOf(runs)) {
+            try {
+                if (!run.runHooks.requiresSneaking()) {
+                    continue;
+                }
+            } catch (RuntimeException error) {
+                IrisLogging.reportError("An Iris tree-feller integration control check failed.", error);
+            }
+            run.abortReason = "halted";
+            finish(run);
+        }
+    }
+
     private Map<ChunkPosition, List<TreeMarkerTraversal.Position>> groupByChunk(
             List<TreeMarkerTraversal.Position> positions
     ) {