experimental RS support

does not support multikill

src/main/java/lol/hyper/toolstats/support/rosestacker/RoseStacker.java

@@ -0,0 +1,67 @@
+/*
+ * This file is part of ToolStats.
+ *
+ * ToolStats is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * ToolStats is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with ToolStats.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/*
+ * This file is part of ToolStats.
+ *
+ * ToolStats is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * ToolStats is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with ToolStats.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package lol.hyper.toolstats.support.rosestacker;
+
+import dev.rosewood.rosestacker.api.RoseStackerAPI;
+import dev.rosewood.rosestacker.stack.StackedEntity;
+import org.bukkit.entity.LivingEntity;
+
+public class RoseStacker {
+
+    private final RoseStackerAPI rsAPI;
+
+    public RoseStacker() {
+        this.rsAPI = RoseStackerAPI.getInstance();
+    }
+
+    public int countMobs(LivingEntity entity) {
+        if (!rsAPI.isEntityStacked(entity)) {
+            // if the entity is not stacked, ignore
+            return 1;
+        }
+        StackedEntity stackedEntity = rsAPI.getStackedEntity(entity);
+        if (stackedEntity == null) {
+            return 1;
+        }
+
+        boolean killAll = stackedEntity.getStackSettings().shouldKillEntireStackOnDeath();
+        // if we kill the entire stack, add the entire stack to the count
+        if (killAll) {
+            return stackedEntity.getStackSize();
+        }
+
+        return 1;
+    }
+}