Memoize isModLoaded lookups

src/main/java/appeng/container/slot/SlotCraftingTerm.java

@@ -41,9 +41,6 @@ import appeng.util.inv.WrapperCursorItemHandler;
 import appeng.util.inv.WrapperInvItemHandler;
 import appeng.util.item.AEItemStack;
 import com.blamejared.recipestages.recipes.RecipeStage;
-import net.darkhax.gamestages.GameStageHelper;
-import net.darkhax.itemstages.ItemStages;
-import net.minecraft.client.Minecraft;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.inventory.InventoryCrafting;
 import net.minecraft.item.Item;
@@ -53,9 +50,6 @@ import net.minecraft.item.crafting.IRecipe;
 import net.minecraft.util.NonNullList;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
-import net.minecraftforge.fml.common.Loader;
-import net.minecraftforge.fml.relauncher.Side;
-import net.minecraftforge.fml.relauncher.SideOnly;
 import net.minecraftforge.items.IItemHandler;
 
 import java.util.ArrayList;
@@ -157,8 +151,7 @@ public class SlotCraftingTerm extends AppEngCraftingSlot {
 
     // TODO: This is really hacky and NEEDS to be solved with a full container/gui refactoring.
     protected IRecipe findRecipe(InventoryCrafting ic, World world, EntityPlayer player) {
-        if (this.container instanceof ContainerCraftingTerm) {
-            final ContainerCraftingTerm containerTerminal = (ContainerCraftingTerm) this.container;
+        if (this.container instanceof ContainerCraftingTerm containerTerminal) {
             final IRecipe recipe = containerTerminal.getCurrentRecipe();
 
             if (recipe != null && recipe.matches(ic, world)) {
@@ -171,9 +164,8 @@ public class SlotCraftingTerm extends AppEngCraftingSlot {
 
     // Returns null in case this recipe is not yet unlocked
     private IRecipe handleRecipe(InventoryCrafting ic, IRecipe recipe, EntityPlayer player) {
-        if (Loader.isModLoaded("recipestages")) {
-            if (recipe instanceof RecipeStage) {
-                final RecipeStage staged = (RecipeStage) recipe;
+        if (Platform.isModLoaded("recipestages")) {
+            if (recipe instanceof RecipeStage staged) {
                 if (!staged.isGoodForCrafting(ic))
                     return null;
             }
@@ -185,8 +177,7 @@ public class SlotCraftingTerm extends AppEngCraftingSlot {
     // TODO: This is really hacky and NEEDS to be solved with a full container/gui refactoring.
     @Override
     protected NonNullList<ItemStack> getRemainingItems(InventoryCrafting ic, World world) {
-        if (this.container instanceof ContainerCraftingTerm) {
-            final ContainerCraftingTerm containerTerminal = (ContainerCraftingTerm) this.container;
+        if (this.container instanceof ContainerCraftingTerm containerTerminal) {
             final IRecipe recipe = containerTerminal.getCurrentRecipe();
 
             if (recipe != null && recipe.matches(ic, world)) {