2009scape/Server/src/main/core/api/ApiExtensions.kt

package core.api

import core.game.node.item.Item
import java.util.*
import kotlin.collections.ArrayList

fun IntProgression.toIntArray(): IntArray {
    val result = IntArray((last - first) / step + 1)
    forEachIndexed { index, i -> result[index] = i }
    return result
}

fun Int.asItem() : Item {
    return Item(this)
}

fun Collection<IntArray>.toIntArray() : IntArray {
    val list = ArrayList<Int>()
    this.forEach { arr -> arr.forEach { list.add(it) } }
    return list.toIntArray()
}

inline fun <reified T> Collection<T>.isLast(element: T) : Boolean {
    return this.indexOf(element) == this.size - 1
}

inline fun <reified T> Collection<T>.getNext(element: T) : T {
    val idx = this.indexOf(element)
    return if (idx < this.size - 1)
        this.elementAt(idx + 1)
    else
        element
}

inline fun <reified T> Collection<T>.isNextLast(element: T) : Boolean {
    return this.isLast(this.getNext(element))
}

fun IntArray.isLast(element: Int) : Boolean {
    return this.indexOf(element) == this.size - 1
}

fun IntArray.getNext(element: Int) : Int {
    val idx = this.indexOf(element)
    return if (idx < this.size - 1)
        this.elementAt(idx + 1)
    else
        element
}

fun IntArray.isNextLast(element: Int) : Boolean {
    return this.isLast(this.getNext(element))
}

fun <T> LinkedList<T>.tryPop(default: T?) : T? {
    this.peek() ?: return default
    return this.pop()
}

inline fun <reified E: Enum<E>> parseEnumEntry(name: String) : E? {
    return try {
        enumValueOf<E>(name)
    } catch (e: Exception) {
        null
    }
}