+ inventory api

paperktlib-paper/src/main/kotlin/com/filkond/paperktlib/paper/Inventory.kt

@@ -0,0 +1,75 @@
+package com.filkond.paperktlib.paper
+
+import org.bukkit.Bukkit
+import org.bukkit.Material
+import org.bukkit.inventory.Inventory
+import org.bukkit.inventory.ItemStack
+import org.bukkit.util.io.BukkitObjectInputStream
+import org.bukkit.util.io.BukkitObjectOutputStream
+import org.yaml.snakeyaml.external.biz.base64Coder.Base64Coder
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
+
+fun Inventory.removeForce(type: Material, amount: Int) {
+    var remainingAmount = amount
+    contents.forEach {
+        if (it?.type == type) {
+            val amountToRemove = minOf(remainingAmount, it.amount)
+            it.amount -= amountToRemove
+            remainingAmount -= amountToRemove
+            if (remainingAmount == 0) return
+        }
+    }
+}
+
+fun Inventory.removeForce(stack: ItemStack) {
+    var remainingAmount = stack.amount
+    contents.forEach {
+        if (it?.isSimilar(stack) == true) {
+            val amountToRemove = minOf(remainingAmount, it.amount)
+            it.amount -= amountToRemove
+            remainingAmount -= amountToRemove
+            if (remainingAmount == 0) return
+        }
+    }
+}
+
+fun Inventory.removeIfContains(stack: ItemStack): Boolean = containsAny(stack).also {
+    if (it) removeForce(stack)
+}
+
+fun Inventory.removeIfContains(type: Material, amount: Int): Boolean = containsAny(type, amount).also {
+    if (it) removeForce(type, amount)
+}
+
+fun Inventory.containsAny(type: Material, amount: Int): Boolean = all(type).values.map { it.amount }.sum() >= amount
+fun Inventory.containsAny(item: ItemStack): Boolean = all(item).values.map { it.amount }.sum() >= item.amount
+
+fun Inventory.toBase64(): String {
+    val outputStream = ByteArrayOutputStream()
+    val dataOutput = BukkitObjectOutputStream(outputStream)
+
+    // Write the size of the inventory
+    dataOutput.writeInt(size)
+
+    // Save every element in the list
+    contents.forEach { dataOutput.writeObject(it) }
+
+    // Serialize that array
+    dataOutput.close()
+    return Base64Coder.encodeLines(outputStream.toByteArray())
+}
+
+fun String.inventoryFromBase64(): Inventory {
+    val inputStream = ByteArrayInputStream(Base64Coder.decodeLines(this))
+    val dataInput = BukkitObjectInputStream(inputStream)
+    val inventory = Bukkit.getServer().createInventory(null, dataInput.readInt())
+
+    // Read the serialized inventory
+    for (i in 0 until inventory.size) {
+        inventory.setItem(i, dataInput.readObject() as ItemStack?)
+    }
+
+    dataInput.close()
+    return inventory
+}

settings.gradle.kts

@@ -12,4 +12,5 @@ include(
     "paperktlib-towny",
     "paperktlib-adventure",
     "paperktlib-config"
-)
+)
+include("paperktlib-paper")