SPIGOT-2695: Added BrewingStandFuelEvent and added fuel level to the BrewEvent

By: LukBukkit <luk.bukkit@gmail.com>

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

@@ -13,11 +13,13 @@ import org.bukkit.inventory.BrewerInventory;
 public class BrewEvent extends BlockEvent implements Cancellable {
     private static final HandlerList handlers = new HandlerList();
     private BrewerInventory contents;
+    private int fuelLevel;
     private boolean cancelled;
 
-    public BrewEvent(Block brewer, BrewerInventory contents) {
+    public BrewEvent(Block brewer, BrewerInventory contents, int fuelLevel) {
         super(brewer);
         this.contents = contents;
+        this.fuelLevel = fuelLevel;
     }
 
     /**
@@ -29,6 +31,15 @@ public class BrewEvent extends BlockEvent implements Cancellable {
         return contents;
     }
 
+    /**
+     * Gets the remaining fuel level.
+     *
+     * @return the remaining fuel
+     */
+    public int getFuelLevel() {
+        return fuelLevel;
+    }
+
     public boolean isCancelled() {
         return cancelled;
     }

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

@@ -0,0 +1,92 @@
+package org.bukkit.event.inventory;
+
+import org.bukkit.block.Block;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.block.BlockEvent;
+import org.bukkit.inventory.ItemStack;
+
+/**
+ * Called when an ItemStack is about to increase the fuel level of a brewing
+ * stand.
+ */
+public class BrewingStandFuelEvent extends BlockEvent implements Cancellable {
+
+    private static final HandlerList handlers = new HandlerList();
+    private final ItemStack fuel;
+    private int fuelPower;
+    private boolean cancelled;
+    private boolean consuming;
+
+    public BrewingStandFuelEvent(Block brewingStand, ItemStack fuel, int fuelPower) {
+        super(brewingStand);
+        this.fuel = fuel;
+        this.fuelPower = fuelPower;
+    }
+
+    /**
+     * Gets the ItemStack of the fuel before the amount was subtracted.
+     *
+     * @return the fuel ItemStack
+     */
+    public ItemStack getFuel() {
+        return fuel;
+    }
+
+    /**
+     * Gets the fuel power for this fuel. Each unit of power can fuel one
+     * brewing operation.
+     *
+     * @return the fuel power for this fuel
+     */
+    public int getFuelPower() {
+        return fuelPower;
+    }
+
+    /**
+     * Sets the fuel power for this fuel. Each unit of power can fuel one
+     * brewing operation.
+     *
+     * @param fuelPower the fuel power for this fuel
+     */
+    public void setFuelPower(int fuelPower) {
+        this.fuelPower = fuelPower;
+    }
+
+    /**
+     * Gets whether the brewing stand's fuel will be reduced / consumed or not.
+     *
+     * @return whether the fuel will be reduced or not
+     */
+    public boolean isConsuming() {
+        return consuming;
+    }
+
+    /**
+     * Sets whether the brewing stand's fuel will be reduced / consumed or not.
+     *
+     * @param consuming whether the fuel will be reduced or not
+     */
+    public void setConsuming(boolean consuming) {
+        this.consuming = consuming;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancel) {
+        this.cancelled = cancel;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}