Backend: Make skyhanni ReplaceItemEvent (#1866)

Co-authored-by: hannibal2 <24389977+hannibal00212@users.noreply.github.com>
Co-authored-by: hannibal2 <24389977+hannibal002@users.noreply.github.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/src/main/java/at/hannibal2/skyhanni/events/render/gui/ReplaceItemEvent.kt b/src/main/java/at/hannibal2/skyhanni/events/render/gui/ReplaceItemEvent.kt
new file mode 100644
index 000000000..ca2f2efbb
--- /dev/null
+++ b/src/main/java/at/hannibal2/skyhanni/events/render/gui/ReplaceItemEvent.kt
@@ -0,0 +1,31 @@
+package at.hannibal2.skyhanni.events.render.gui
+
+import at.hannibal2.skyhanni.events.LorenzEvent
+import net.minecraft.inventory.IInventory
+import net.minecraft.inventory.InventoryBasic
+import net.minecraft.item.ItemStack
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable
+
+class ReplaceItemEvent(val inventory: IInventory, val originalItem: ItemStack, val slot: Int) : LorenzEvent() {
+    var replacement: ItemStack? = null
+        private set
+
+    fun replace(replacement: ItemStack?) {
+        this.replacement = replacement
+    }
+
+    companion object {
+        @JvmStatic
+        fun postEvent(
+            inventory: InventoryBasic,
+            inventoryContents: Array<ItemStack?>,
+            slot: Int,
+            cir: CallbackInfoReturnable<ItemStack>,
+        ) {
+            val originalItem = inventoryContents.getOrNull(slot) ?: return
+            val event = ReplaceItemEvent(inventory, originalItem, slot)
+            event.postAndCatch()
+            event.replacement?.let { cir.returnValue = it }
+        }
+    }
+}