feat: Implement Brewing (#4413)

The following API constants have been added:
- tile\BrewingStand::BREW_TIME_TICKS
The following public API methods have been added:
- utils\BrewingStandSlot->getSlotNumber() : int
- CraftingManager->getPotionTypeRecipes() : array<string, array<string, PotionTypeRecipe>>
- CraftingManager->getPotionContainerChangeRecipes() : array<int, array<string, PotionContainerChangeRecipe>>
- CraftingManager->registerPotionTypeRecipe(PotionTypeRecipe $recipe) : void
- CraftingManager->registerPotionContainerChangeRecipe(PotionContainerChangeRecipe $recipe) : void
The following classes have been added:
- BrewingRecipe
- PotionTypeRecipe
- PotionContainerChangeRecipe
- BrewItemEvent
- BrewingFuelUseEvent
- PotionFinishBrewingSound

src/block/BrewingStand.php

@@ -125,6 +125,24 @@ class BrewingStand extends Transparent{
 	}
 
 	public function onScheduledUpdate() : void{
-		//TODO
+		$brewing = $this->position->getWorld()->getTile($this->position);
+		if($brewing instanceof TileBrewingStand){
+			if($brewing->onUpdate()){
+				$this->position->getWorld()->scheduleDelayedBlockUpdate($this->position, 1);
+			}
+
+			$changed = false;
+			foreach(BrewingStandSlot::getAll() as $slot){
+				$occupied = !$brewing->getInventory()->isSlotEmpty($slot->getSlotNumber());
+				if($occupied !== $this->hasSlot($slot)){
+					$this->setSlot($slot, $occupied);
+					$changed = true;
+				}
+			}
+
+			if($changed){
+				$this->position->getWorld()->setBlock($this->position, $this);
+			}
+		}
 	}
 }