legacy

pom.xml

@@ -57,7 +57,7 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot</artifactId>
-            <version>1.13.2</version>
+            <version>1.12.2</version>
         </dependency>
         <dependency>
             <groupId>com.songoda</groupId>

src/main/java/com/songoda/ultimatestacker/UltimateStacker.java

@@ -16,7 +16,9 @@ import com.songoda.ultimatestacker.storage.types.StorageMysql;
 import com.songoda.ultimatestacker.storage.types.StorageYaml;
 import com.songoda.ultimatestacker.entity.EntityStackManager;
 import com.songoda.ultimatestacker.tasks.StackingTask;
+import com.songoda.ultimatestacker.utils.ServerVersion;
 import com.songoda.ultimatestacker.utils.SettingsManager;
+import org.apache.commons.lang.ArrayUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
@@ -51,7 +53,8 @@ public class UltimateStacker extends JavaPlugin {
     private CommandManager commandManager;
     private StackingTask stackingTask;
     private HologramHandler hologramHandler;
-    
+
+    private ServerVersion serverVersion = ServerVersion.fromPackageName(Bukkit.getServer().getClass().getPackage().getName());
     private Storage storage;
 
     public void onDisable() {
@@ -265,6 +268,22 @@ public class UltimateStacker extends JavaPlugin {
         return null;
     }
 
+    public ServerVersion getServerVersion() {
+        return serverVersion;
+    }
+
+    public boolean isServerVersion(ServerVersion version) {
+        return serverVersion == version;
+    }
+
+    public boolean isServerVersion(ServerVersion... versions) {
+        return ArrayUtils.contains(versions, serverVersion);
+    }
+
+    public boolean isServerVersionAtLeast(ServerVersion version) {
+        return serverVersion.ordinal() >= version.ordinal();
+    }
+
     public HologramHandler getHologramHandler() {
         return hologramHandler;
     }

src/main/java/com/songoda/ultimatestacker/events/BlockListeners.java

@@ -33,9 +33,9 @@ public class BlockListeners implements Listener {
     public void onSpawnerInteract(PlayerInteractEvent event) {
         Block block = event.getClickedBlock();
         Player player = event.getPlayer();
-        ItemStack item = event.getPlayer().getInventory().getItemInMainHand();
+        ItemStack item = event.getPlayer().getInventory().getItemInHand();
 
-        if (block == null || item == null || block.getType() != Material.SPAWNER || item.getType() != Material.SPAWNER || event.getAction() == Action.LEFT_CLICK_BLOCK) return;
+        if (block == null || item == null || block.getType() != Material.MOB_SPAWNER || item.getType() != Material.MOB_SPAWNER || event.getAction() == Action.LEFT_CLICK_BLOCK) return;
 
         if (!instance.getConfig().getBoolean("Main.Stack Spawners")) return;
 
@@ -85,7 +85,7 @@ public class BlockListeners implements Listener {
     public void onSpawnerPlace(BlockPlaceEvent event) {
         Block block = event.getBlock();
 
-        if (block == null || block.getType() != Material.SPAWNER) return;
+        if (block == null || block.getType() != Material.MOB_SPAWNER) return;
 
         if (!instance.getConfig().getBoolean("Main.Stack Spawners")) return;
 
@@ -98,7 +98,7 @@ public class BlockListeners implements Listener {
     @EventHandler(priority = EventPriority.HIGHEST)
     public void onBlockBreak(BlockBreakEvent event) {
         Block block = event.getBlock();
-        if (block.getType() != Material.SPAWNER) return;
+        if (block.getType() != Material.MOB_SPAWNER) return;
 
         if (!instance.getConfig().getBoolean("Main.Stack Spawners")) return;
 
@@ -107,7 +107,7 @@ public class BlockListeners implements Listener {
         EntityType blockType = cs.getSpawnedType();
 
         Player player = event.getPlayer();
-        ItemStack item = player.getInventory().getItemInMainHand();
+        ItemStack item = player.getInventory().getItemInHand();
 
         SpawnerStack stack = instance.getSpawnerStackManager().getSpawner(block);
 

src/main/java/com/songoda/ultimatestacker/spawner/SpawnerStack.java

@@ -1,8 +1,15 @@
 package com.songoda.ultimatestacker.spawner;
 
+import com.songoda.ultimatestacker.UltimateStacker;
+import com.songoda.ultimatestacker.utils.Reflection;
+import com.songoda.ultimatestacker.utils.ServerVersion;
+import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.block.CreatureSpawner;
 
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
 public class SpawnerStack {
 
     private final Location location;
@@ -25,7 +32,11 @@ public class SpawnerStack {
         this.amount = amount;
 
         CreatureSpawner creatureSpawner = (CreatureSpawner)location.getBlock().getState();
-        creatureSpawner.setSpawnCount(4 * amount);
+        if (UltimateStacker.getInstance().isServerVersionAtLeast(ServerVersion.V1_12)) {
+            creatureSpawner.setSpawnCount(4 * amount);
+        } else {
+            Reflection.setRange(creatureSpawner, 4 * amount);
+        }
         creatureSpawner.update();
     }
 

src/main/java/com/songoda/ultimatestacker/utils/Methods.java

@@ -98,7 +98,7 @@ public class Methods {
     }
 
     public static ItemStack getSpawnerItem(EntityType entityType, int amount) {
-        ItemStack item = new ItemStack(Material.SPAWNER, 1);
+        ItemStack item = new ItemStack(Material.MOB_SPAWNER, 1);
         ItemMeta meta = item.getItemMeta();
         meta.setDisplayName(Methods.compileSpawnerName(entityType, amount));
         CreatureSpawner cs = (CreatureSpawner) ((BlockStateMeta)meta).getBlockState();

src/main/java/com/songoda/ultimatestacker/utils/Reflection.java

@@ -0,0 +1,39 @@
+package com.songoda.ultimatestacker.utils;
+
+import org.bukkit.Bukkit;
+import org.bukkit.block.CreatureSpawner;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+public class Reflection {
+    private static Class<?> clazzCraftCreatureSpawner, clazzTileEntityMobSpawner = null;
+    private static Method methodGetTileEntity, methodGetSpawner;
+    private static Field fieldSpawnRange;
+
+    public static CreatureSpawner setRange(CreatureSpawner creatureSpawner, int amount) {
+        try {
+            if (clazzCraftCreatureSpawner == null) {
+                String ver = Bukkit.getServer().getClass().getPackage().getName().substring(23);
+                clazzCraftCreatureSpawner = Class.forName("org.bukkit.craftbukkit." + ver + ".block.CraftCreatureSpawner");
+                clazzTileEntityMobSpawner = Class.forName("net.minecraft.server." + ver + ".TileEntityMobSpawner");
+                Class<?> clazzMobSpawnerAbstract = Class.forName("net.minecraft.server." + ver + ".MobSpawnerAbstract");
+                methodGetTileEntity = clazzCraftCreatureSpawner.getDeclaredMethod("getTileEntity");
+                methodGetSpawner = clazzTileEntityMobSpawner.getDeclaredMethod("getSpawner");
+                fieldSpawnRange = clazzMobSpawnerAbstract.getDeclaredField("spawnRange");
+                fieldSpawnRange.setAccessible(true);
+            }
+
+            Object objCraftCreatureSpawner = clazzCraftCreatureSpawner.cast(creatureSpawner);
+            Object objTileEntityMobSpawner = clazzTileEntityMobSpawner.cast(methodGetTileEntity.invoke(objCraftCreatureSpawner));
+            Object objMobSpawnerAbstract = methodGetSpawner.invoke(objTileEntityMobSpawner);
+            fieldSpawnRange.set(objMobSpawnerAbstract, amount);
+
+        } catch (ReflectiveOperationException e) {
+            e.printStackTrace();
+        }
+        return creatureSpawner;
+    }
+
+
+}

src/main/java/com/songoda/ultimatestacker/utils/ServerVersion.java

@@ -0,0 +1,26 @@
+package com.songoda.ultimatestacker.utils;
+
+public enum ServerVersion {
+
+    UNKNOWN("unknown_server_version"),
+    V1_7("org.bukkit.craftbukkit.v1_7"),
+    V1_8("org.bukkit.craftbukkit.v1_8"),
+    V1_9("org.bukkit.craftbukkit.v1_9"),
+    V1_10("org.bukkit.craftbukkit.v1_10"),
+    V1_11("org.bukkit.craftbukkit.v1_11"),
+    V1_12("org.bukkit.craftbukkit.v1_12"),
+    V1_13("org.bukkit.craftbukkit.v1_13");
+
+
+    private final String packagePrefix;
+
+    private ServerVersion(String packagePrefix) {
+        this.packagePrefix = packagePrefix;
+    }
+
+    public static ServerVersion fromPackageName(String packageName) {
+        for (ServerVersion version : values())
+            if (packageName.startsWith(version.packagePrefix)) return version;
+        return ServerVersion.UNKNOWN;
+    }
+}

src/main/resources/plugin.yml

@@ -4,7 +4,6 @@ version: 1
 depend: [Arconix]
 main: com.songoda.ultimatestacker.UltimateStacker
 author: songoda
-api-version: 1.13
 commands:
   UltimateStacker:
     description: I have no idea.