add LootPopulateEvent

common/src/main/java/com/dfsek/terra/api/event/events/world/TerraWorldLoadEvent.java

@@ -1,6 +1,5 @@
 package com.dfsek.terra.api.event.events.world;
 
-import com.dfsek.terra.api.event.events.Event;
 import com.dfsek.terra.api.event.events.PackEvent;
 import com.dfsek.terra.config.pack.ConfigPack;
 import com.dfsek.terra.config.pack.WorldConfig;
@@ -9,18 +8,24 @@ import com.dfsek.terra.world.TerraWorld;
 /**
  * Called upon initialization of a TerraWorld.
  */
-public class TerraWorldLoadEvent implements Event {
+public class TerraWorldLoadEvent implements PackEvent {
     private final TerraWorld world;
+    private final ConfigPack pack;
 
-    public TerraWorldLoadEvent(TerraWorld world) {
+    public TerraWorldLoadEvent(TerraWorld world, ConfigPack pack) {
         this.world = world;
+        this.pack = pack;
     }
 
     public TerraWorld getWorld() {
         return world;
     }
 
-    public WorldConfig getPack() {
+    public ConfigPack getPack() {
+        return pack;
+    }
+
+    public WorldConfig getWorldConfig() {
         return world.getConfig();
     }
 }

common/src/main/java/com/dfsek/terra/api/event/events/world/generation/LootPopulateEvent.java

@@ -0,0 +1,56 @@
+package com.dfsek.terra.api.event.events.world.generation;
+
+import com.dfsek.terra.api.event.events.Cancellable;
+import com.dfsek.terra.api.event.events.PackEvent;
+import com.dfsek.terra.api.platform.block.Block;
+import com.dfsek.terra.api.platform.block.state.Container;
+import com.dfsek.terra.api.structures.structure.buffer.items.BufferedLootApplication;
+import com.dfsek.terra.api.util.mutable.MutableBoolean;
+import com.dfsek.terra.config.pack.ConfigPack;
+
+/**
+ * Called when loot is populated via {@link BufferedLootApplication}.
+ */
+public class LootPopulateEvent implements PackEvent, Cancellable {
+    private final Block block;
+    private final Container container;
+    private final ConfigPack pack;
+    private final MutableBoolean cancelled = new MutableBoolean();
+
+    public LootPopulateEvent(Block block, Container container, ConfigPack pack) {
+        this.block = block;
+        this.container = container;
+        this.pack = pack;
+    }
+
+    @Override
+    public ConfigPack getPack() {
+        return pack;
+    }
+
+    /**
+     * Get the block containing the tile entity loot is applied to.
+     * @return Block at which loot is applied.
+     */
+    public Block getBlock() {
+        return block;
+    }
+
+    /**
+     * Get the {@link Container} representing the inventory.
+     * @return Inventory recieving loot.
+     */
+    public Container getContainer() {
+        return container;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled.get();
+    }
+
+    @Override
+    public void setCancelled(boolean cancelled) {
+        this.cancelled.set(cancelled);
+    }
+}

common/src/main/java/com/dfsek/terra/api/structures/structure/buffer/items/BufferedLootApplication.java

@@ -1,7 +1,9 @@
 package com.dfsek.terra.api.structures.structure.buffer.items;
 
 import com.dfsek.terra.api.TerraPlugin;
+import com.dfsek.terra.api.event.events.world.generation.LootPopulateEvent;
 import com.dfsek.terra.api.math.vector.Location;
+import com.dfsek.terra.api.platform.block.Block;
 import com.dfsek.terra.api.platform.block.state.BlockState;
 import com.dfsek.terra.api.platform.block.state.Container;
 import com.dfsek.terra.api.structures.loot.LootTable;
@@ -19,12 +21,18 @@ public class BufferedLootApplication implements BufferedItem {
     @Override
     public void paste(Location origin) {
         try {
-            BlockState data = origin.getBlock().getState();
+            Block block = origin.getBlock();
+            BlockState data = block.getState();
             if(!(data instanceof Container)) {
                 main.logger().severe("Failed to place loot at " + origin + "; block " + data + " is not container.");
                 return;
             }
             Container container = (Container) data;
+
+            LootPopulateEvent event = new LootPopulateEvent(block, container, main.getWorld(block.getLocation().getWorld()).getGenerator().getConfigPack());
+            main.getEventManager().callEvent(event);
+            if(event.isCancelled()) return;
+
             table.fillInventory(container.getInventory(), new FastRandom(origin.hashCode()));
             data.update(false);
         } catch(Exception e) {

common/src/main/java/com/dfsek/terra/world/TerraWorld.java

@@ -33,7 +33,7 @@ public class TerraWorld {
         this.provider = config.getProvider();
         profiler = new WorldProfiler(w);
         air = main.getWorldHandle().createBlockData("minecraft:air");
-        main.getEventManager().callEvent(new TerraWorldLoadEvent(this));
+        main.getEventManager().callEvent(new TerraWorldLoadEvent(this, c));
         safe = true;
     }