From 7ca931a7de906fc1d9ef2e206010e6948dc4ca13 Mon Sep 17 00:00:00 2001
From: Tassu <git@tassu.me>
Date: Thu, 13 Sep 2018 08:45:21 +0300
Subject: [PATCH] Implement furnace cook speed multiplier API

Signed-off-by: Tassu <git@tassu.me>

diff --git a/src/main/java/net/minecraft/server/TileEntityFurnace.java b/src/main/java/net/minecraft/server/TileEntityFurnace.java
index 0f6cd246ae..c983d260ae 100644
--- a/src/main/java/net/minecraft/server/TileEntityFurnace.java
+++ b/src/main/java/net/minecraft/server/TileEntityFurnace.java
@@ -8,6 +8,7 @@ import java.util.Map;
 import java.util.Map.Entry;
 import javax.annotation.Nullable;
 // CraftBukkit start
+import java.util.List;
 import org.bukkit.craftbukkit.block.CraftBlock;
 import org.bukkit.craftbukkit.entity.CraftHumanEntity;
 import org.bukkit.craftbukkit.inventory.CraftItemStack;
@@ -26,6 +27,7 @@ public abstract class TileEntityFurnace extends TileEntityContainer implements I
     protected NonNullList<ItemStack> items;
     public int burnTime;
     private int ticksForCurrentFuel;
+    public double cookSpeedMultiplier = 1.0; // Paper - cook speed multiplier API
     public int cookTime;
     public int cookTimeTotal;
     protected final IContainerProperties b;
@@ -212,6 +214,11 @@ public abstract class TileEntityFurnace extends TileEntityContainer implements I
             this.n.put(minecraftkey, j);
         }
 
+        // Paper start - cook speed API
+        if (nbttagcompound.hasKey("Paper.CookSpeedMultiplier")) {
+            this.cookSpeedMultiplier = nbttagcompound.getDouble("Paper.CookSpeedMultiplier");
+        }
+        // Paper end
     }
 
     @Override
@@ -220,6 +227,7 @@ public abstract class TileEntityFurnace extends TileEntityContainer implements I
         nbttagcompound.setShort("BurnTime", (short) this.burnTime);
         nbttagcompound.setShort("CookTime", (short) this.cookTime);
         nbttagcompound.setShort("CookTimeTotal", (short) this.cookTimeTotal);
+        nbttagcompound.setDouble("Paper.CookSpeedMultiplier", this.cookSpeedMultiplier); // Paper - cook speed multiplier API
         ContainerUtil.a(nbttagcompound, this.items);
         nbttagcompound.setShort("RecipesUsedSize", (short) this.n.size());
         int i = 0;
@@ -283,8 +291,8 @@ public abstract class TileEntityFurnace extends TileEntityContainer implements I
                 }
 
                 if (this.isBurning() && this.canBurn(irecipe)) {
-                    ++this.cookTime;
-                    if (this.cookTime == this.cookTimeTotal) {
+                    this.cookTime += cookSpeedMultiplier; // Paper - cook speed multiplier API
+                    if (this.cookTime >= this.cookTimeTotal) { // Paper - cook speed multiplier API
                         this.cookTime = 0;
                         this.cookTimeTotal = this.getRecipeCookingTime();
                         this.burn(irecipe);
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftFurnace.java b/src/main/java/org/bukkit/craftbukkit/block/CraftFurnace.java
index 9cc67915ca..1ce10ea049 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftFurnace.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftFurnace.java
@@ -63,4 +63,18 @@ public class CraftFurnace<T extends TileEntityFurnace> extends CraftContainer<T>
     public void setCookTimeTotal(int cookTimeTotal) {
         this.getSnapshot().cookTimeTotal = cookTimeTotal;
     }
+
+    // Paper start - cook speed multiplier API
+    @Override
+    public double getCookSpeedMultiplier() {
+        return this.getSnapshot().cookSpeedMultiplier;
+    }
+
+    @Override
+    public void setCookSpeedMultiplier(double multiplier) {
+        com.google.common.base.Preconditions.checkArgument(multiplier >= 0, "Furnace speed multiplier cannot be negative");
+        com.google.common.base.Preconditions.checkArgument(multiplier <= 200, "Furnace speed multiplier cannot more than 200");
+        this.getSnapshot().cookSpeedMultiplier = multiplier;
+    }
+    // Paper end
 }
-- 
2.21.0