SPIGOT-4184: Fix furnaces not matching Vanilla smelt or animations

nms-patches/TileEntityFurnace.patch

@@ -6,22 +6,21 @@
  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;
 +import org.bukkit.entity.HumanEntity;
 +import org.bukkit.event.inventory.FurnaceBurnEvent;
 +import org.bukkit.event.inventory.FurnaceSmeltEvent;
-+import org.bukkit.craftbukkit.entity.CraftHumanEntity;
 +// CraftBukkit end
  
  public class TileEntityFurnace extends TileEntityContainer implements IWorldInventory, RecipeHolder, AutoRecipeOutput, ITickable {
  
-@@ -93,6 +102,32 @@
+@@ -93,6 +102,31 @@
          return linkedhashmap;
      }
  
 +    // CraftBukkit start - add fields and methods
-+    private int lastTick = MinecraftServer.currentTick;
 +    private int maxStack = MAX_STACK;
 +    public List<HumanEntity> transaction = new java.util.ArrayList<HumanEntity>();
 +
@@ -49,7 +48,7 @@
      public TileEntityFurnace() {
          super(TileEntityTypes.b);
          this.items = NonNullList.a(3, ItemStack.a);
-@@ -220,11 +255,30 @@
+@@ -220,7 +254,7 @@
      }
  
      public void Y_() {
@@ -57,73 +56,31 @@
 +        boolean flag = this.getBlock().get(BlockFurnace.LIT); // CraftBukkit - SPIGOT-844 - Check if furnace block is lit using the block instead of burn time
          boolean flag1 = false;
  
-+        // CraftBukkit start - Use wall time instead of ticks for cooking
-+        int elapsedTicks = MinecraftServer.currentTick - this.lastTick;
-+        this.lastTick = MinecraftServer.currentTick;
-+
-+        // CraftBukkit - moved from below - edited for wall time
-+        IRecipe irecipe = this.world.D().b(this, this.world);
-+        if (this.isBurning() && this.canBurn(irecipe)) {
-+            this.cookTime += elapsedTicks;
-+            if (this.cookTime >= this.cookTimeTotal) {
-+                this.cookTime = 0;
-+                this.cookTimeTotal = this.s();
-+                this.burn(irecipe);
-+                flag1 = true;
-+            }
-+        } else {
-+            this.cookTime = 0;
-+        }
-+        // CraftBukkit end
-+
          if (this.isBurning()) {
--            --this.burnTime;
-+            this.burnTime -= elapsedTicks; // CraftBukkit - use elapsedTicks in place of constant
-         }
+@@ -238,9 +272,20 @@
+                 IRecipe irecipe = this.world.D().b(this, this.world);
  
-         if (!this.world.isClientSide) {
-@@ -235,12 +289,21 @@
-                     this.cookTime = MathHelper.clamp(this.cookTime - 2, 0, this.cookTimeTotal);
-                 }
-             } else {
--                IRecipe irecipe = this.world.D().b(this, this.world);
-+                // CraftBukkit start - Handle multiple elapsed ticks
-+                if (this.burnTime <= 0 && this.canBurn(irecipe)) { // CraftBukkit - == to <=
+                 if (!this.isBurning() && this.canBurn(irecipe)) {
+-                    this.burnTime = fuelTime(itemstack);
++                    // CraftBukkit start
 +                    CraftItemStack fuel = CraftItemStack.asCraftMirror(itemstack);
 +
-+                    FurnaceBurnEvent furnaceBurnEvent = new FurnaceBurnEvent(this.world.getWorld().getBlockAt(position.getX(), position.getY(), position.getZ()), fuel, fuelTime(itemstack));
++                    FurnaceBurnEvent furnaceBurnEvent = new FurnaceBurnEvent(CraftBlock.at(this.world, this.position), fuel, fuelTime(itemstack));
 +                    this.world.getServer().getPluginManager().callEvent(furnaceBurnEvent);
- 
--                if (!this.isBurning() && this.canBurn(irecipe)) {
--                    this.burnTime = fuelTime(itemstack);
--                    this.ticksForCurrentFuel = this.burnTime;
--                    if (this.isBurning()) {
++
 +                    if (furnaceBurnEvent.isCancelled()) {
 +                        return;
 +                    }
 +
-+                    this.ticksForCurrentFuel = furnaceBurnEvent.getBurnTime();
-+                    this.burnTime += this.ticksForCurrentFuel;
-+                    if (this.burnTime > 0 && furnaceBurnEvent.isBurning()) {
++                    this.burnTime = furnaceBurnEvent.getBurnTime();
+                     this.ticksForCurrentFuel = this.burnTime;
+-                    if (this.isBurning()) {
++                    if (this.isBurning() && furnaceBurnEvent.isBurning()) {
 +                        // CraftBukkit end
                          flag1 = true;
                          if (!itemstack.isEmpty()) {
                              Item item = itemstack.getItem();
-@@ -255,6 +318,7 @@
-                     }
-                 }
- 
-+                /* CraftBukkit start - Moved up
-                 if (this.isBurning() && this.canBurn(irecipe)) {
-                     ++this.cookTime;
-                     if (this.cookTime == this.cookTimeTotal) {
-@@ -266,11 +330,13 @@
-                 } else {
-                     this.cookTime = 0;
-                 }
-+                */
-             }
- 
+@@ -271,6 +316,7 @@
              if (flag != this.isBurning()) {
                  flag1 = true;
                  this.world.setTypeAndData(this.position, (IBlockData) this.world.getType(this.position).set(BlockFurnace.LIT, Boolean.valueOf(this.isBurning())), 3);
@@ -131,17 +88,7 @@
              }
          }
  
-@@ -295,7 +361,8 @@
-             } else {
-                 ItemStack itemstack1 = (ItemStack) this.items.get(2);
- 
--                return itemstack1.isEmpty() ? true : (!itemstack1.doMaterialsMatch(itemstack) ? false : (itemstack1.getCount() < this.getMaxStackSize() && itemstack1.getCount() < itemstack1.getMaxStackSize() ? true : itemstack1.getCount() < itemstack.getMaxStackSize()));
-+                // CraftBukkit - consider resultant count instead of current count
-+                return itemstack1.isEmpty() ? true : (!itemstack1.doMaterialsMatch(itemstack) ? false : (itemstack1.getCount() + itemstack.getCount() <= this.getMaxStackSize() && itemstack1.getCount() + itemstack.getCount() < itemstack1.getMaxStackSize() ? true : itemstack1.getCount() + itemstack.getCount() <= itemstack.getMaxStackSize()));
-             }
-         } else {
-             return false;
-@@ -308,11 +375,38 @@
+@@ -308,11 +354,38 @@
              ItemStack itemstack1 = irecipe.d();
              ItemStack itemstack2 = (ItemStack) this.items.get(2);