feat: allow scripts to modify anvil cost

src/main/java/noppes/npcs/containers/ContainerAnvilRepair.java

@@ -120,6 +120,7 @@ public class ContainerAnvilRepair extends Container {
 
             ItemStack output = null;
             boolean canPickup = true;
+            RecipeScriptEvent.Pre pre = null;
             if (matchingRecipe != null) {
                 if (!matchingRecipe.availability.isAvailable(player)) {
                     return;
@@ -157,20 +158,28 @@ public class ContainerAnvilRepair extends Container {
                 int xpCost = baseXpCost * materialsUsed;
 
                 calcItem.setItemDamage(currentDamage);
+
+                ItemStack[] items = new ItemStack[]{input0, input1};
+                pre = EventHooks.onRecipeScriptPre(player, matchingRecipe.getScriptHandler(), matchingRecipe, items);
+                int scriptXp = pre.getXpCost();
+                int scriptMat = pre.getMaterialUsage();
+                xpCost += scriptXp;
+                materialsUsed += scriptMat;
+                pre.setXpCost(xpCost);
+                pre.setMaterialUsage(materialsUsed);
+                canPickup = !pre.isCanceled();
+
                 if (player.experienceTotal >= xpCost) {
                     output = calcItem;
                 }
+
                 repairMaterialConsumed = materialsUsed;
                 repairCost = xpCost;
+                output = EventHooks.onRecipeScriptPost(player, matchingRecipe.getScriptHandler(), matchingRecipe, items, output);
             } else {
                 repairCost = 0;
             }
-            if (matchingRecipe != null) {
-                ItemStack[] items = new ItemStack[]{input0, input1};
-                RecipeScriptEvent.Pre pre = EventHooks.onRecipeScriptPre(player, matchingRecipe.getScriptHandler(), matchingRecipe, items);
-                canPickup = !pre.isCanceled();
-                output = EventHooks.onRecipeScriptPost(player, matchingRecipe.getScriptHandler(), matchingRecipe, items, output);
-            }
+
 
             anvilResult.setInventorySlotContents(0, output);
             this.resultCanPickup = canPickup;

src/main/java/noppes/npcs/scripted/event/RecipeScriptEvent.java

@@ -36,6 +36,8 @@ public class RecipeScriptEvent extends PlayerEvent {
     @Cancelable
     public static class Pre extends RecipeScriptEvent {
         private String message = "";
+        private int xpCost = 0;
+        private int materialUsage = 0;
 
         public Pre(IPlayer player, Object recipe, boolean isAnvil, IItemStack[] items) {
             super(player, recipe, isAnvil, items);
@@ -49,6 +51,24 @@ public class RecipeScriptEvent extends PlayerEvent {
             return message;
         }
 
+        public int getXpCost() {
+            return xpCost;
+        }
+
+        public void setXpCost(int xpCost) {
+            if (this.isAnvil)
+                this.xpCost = xpCost;
+        }
+
+        public int getMaterialUsage() {
+            return materialUsage;
+        }
+
+        public void setMaterialUsage(int materialUsage) {
+            if (this.isAnvil)
+                this.materialUsage = materialUsage;
+        }
+
         public String getHookName() {
             return RecipeScript.ScriptType.PRE.function;
         }