Added Furnace smelt and burn events.

By: EvilSeph <evilseph@unaligned.org>

paper-api/src/main/java/org/bukkit/event/Event.java

@@ -432,6 +432,20 @@ public abstract class Event implements Serializable {
          */
         INVENTORY_TRANSACTION (Category.INVENTORY),
 
+        /**
+         * Called when an ItemStack is successfully smelted in a furnace.
+         *
+         * @see org.bukkit.event.inventory.FurnaceSmeltEvent
+         */
+        FURNACE_SMELT (Category.INVENTORY),
+
+        /**
+         * Called when an ItemStack is successfully burned as fuel in a furnace.
+         *
+         * @see org.bukkit.event.inventory.FurnaceBurnEvent
+         */
+        FURNACE_BURN (Category.INVENTORY),
+
         /**
          * SERVER EVENTS
          */

paper-api/src/main/java/org/bukkit/event/inventory/FurnaceBurnEvent.java

@@ -0,0 +1,71 @@
+package org.bukkit.event.inventory;
+
+import org.bukkit.block.Block;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.inventory.ItemStack;
+/**
+ * Called when an ItemStack is successfully burned as fuel in a furnace.
+ */
+public class FurnaceBurnEvent extends Event implements Cancellable {
+    private Block furnace;
+    private ItemStack fuel;
+    private int burnTime;
+    private boolean cancelled;
+
+    public FurnaceBurnEvent(Block furnace, ItemStack fuel, int burnTime) {
+        super(Type.FURNACE_BURN);
+
+        this.furnace = furnace;
+        this.fuel = fuel;
+        this.burnTime = burnTime;
+        this.cancelled = false;
+    }
+
+    /**
+     * Gets the block for the furnace involved in this event
+     *
+     * @return the block of the furnace
+     */
+    public Block getFurnace() {
+        return furnace;
+    }
+
+    /**
+     * Gets the fuel ItemStack for this event
+     *
+     * @return the fuel ItemStack
+     */
+    public ItemStack getFuel() {
+        return fuel;
+    }
+
+    /**
+     * Gets the default burn time for this fuel
+     *
+     * @return the default burn time for this fuel
+     */
+    public int getBurnTime() {
+        return burnTime;
+    }
+
+    /**
+     * Gets the cancellation state of this event. A cancelled event will not
+     * be executed in the server, but will still pass to other plugins
+     *
+     * @return true if this event is cancelled
+     */
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    /**
+     * Sets the cancellation state of this event. A cancelled event will not
+     * be executed in the server, but will still pass to other plugins
+     *
+     * @param cancel true if you wish to cancel this event
+     */
+    public void setCancelled(boolean cancel) {
+        this.cancelled = cancel;
+    }
+}

paper-api/src/main/java/org/bukkit/event/inventory/FurnaceSmeltEvent.java

@@ -0,0 +1,81 @@
+package org.bukkit.event.inventory;
+
+import org.bukkit.block.Block;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.inventory.ItemStack;
+
+/**
+ * Called when an ItemStack is successfully smelted in a furnace.
+ */
+public class FurnaceSmeltEvent extends Event implements Cancellable{
+    private Block furnace;
+    private ItemStack source;
+    private ItemStack result;
+    private boolean cancelled;
+
+    public FurnaceSmeltEvent(Block furnace, ItemStack source, ItemStack result) {
+        super(Type.FURNACE_SMELT);
+
+        this.furnace = furnace;
+        this.source = source;
+        this.result = result;
+        this.cancelled = false;
+    }
+
+    /**
+     * Gets the block for the furnace involved in this event
+     *
+     * @return the block of the furnace
+     */
+    public Block getFurnace() {
+        return furnace;
+    }
+
+    /**
+     * Gets the smelted ItemStack for this event
+     *
+     * @return smelting source ItemStack
+     */
+    public ItemStack getSource() {
+        return source;
+    }
+
+    /**
+     * Gets the resultant ItemStack for this event
+     *
+     * @return smelting result ItemStack
+     */
+    public ItemStack getResult() {
+        return result;
+    }
+
+    /**
+     * Sets the resultant ItemStack for this event
+     *
+     * @param result new result ItemStack
+     */
+    public void setResult(ItemStack result) {
+         this.result = result;
+    }
+
+    /**
+     * Gets the cancellation state of this event. A cancelled event will not
+     * be executed in the server, but will still pass to other plugins
+     *
+     * @return true if this event is cancelled
+     */
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    /**
+     * Sets the cancellation state of this event. A cancelled event will not
+     * be executed in the server, but will still pass to other plugins
+     *
+     * @param cancel true if you wish to cancel this event
+     */
+    public void setCancelled(boolean cancel) {
+        this.cancelled = cancel;
+    }
+}

paper-api/src/main/java/org/bukkit/event/inventory/InventoryListener.java

@@ -0,0 +1,23 @@
+package org.bukkit.event.inventory;
+
+import org.bukkit.event.Listener;
+/**
+* Handles all events thrown in relation to Blocks
+ */
+public class InventoryListener implements Listener {
+    public InventoryListener() {}
+
+    /**
+     * Called when an ItemStack is successfully smelted in a furnace.
+     *
+     * @param event Relevant event details
+     */
+    public void onFurnaceSmelt(FurnaceSmeltEvent event) {}
+
+    /**
+     * Called when an ItemStack is successfully burned as fuel in a furnace.
+     *
+     * @param event Relevant event details
+     */
+    public void onFurnaceBurn(FurnaceBurnEvent event) {}
+}

paper-api/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java

@@ -26,6 +26,7 @@ import org.bukkit.event.server.*;
 import org.bukkit.event.vehicle.*;
 import org.bukkit.event.world.*;
 import org.bukkit.event.weather.*;
+import org.bukkit.event.inventory.*;
 import org.bukkit.plugin.*;
 import org.yaml.snakeyaml.error.YAMLException;
 
@@ -812,6 +813,20 @@ public final class JavaPluginLoader implements PluginLoader {
                 }
             };
 
+        // Inventory Events
+        case FURNACE_SMELT:
+            return new EventExecutor() {
+                public void execute(Listener listener, Event event) {
+                    ((InventoryListener) listener).onFurnaceSmelt((FurnaceSmeltEvent) event);
+                }
+            };
+        case FURNACE_BURN:
+            return new EventExecutor() {
+                public void execute(Listener listener, Event event) {
+                    ((InventoryListener) listener).onFurnaceBurn((FurnaceBurnEvent) event);
+                }
+            };
+
         // Custom Events
         case CUSTOM_EVENT:
             return new EventExecutor() {