walkmc.extensions.Inventories.kt Maven / Gradle / Ivy

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package walkmc.extensions

import org.bukkit.inventory.*
import walkmc.*
import walkmc.graphical.common.*

/**
 * Verifies if this inventory contains a item in the specified [slot].
 */
fun Inventory.hasItem(slot: Int) = getItem(slot) != null

/**
 * Fills the specified [row] with the specified [item].
 */
fun Inventory.fillRow(row: Int, item: ItemStack, replaces: Boolean = false) {
	val start = startSlot(row)
	val last = lastSlot(row)
	for (i in start..last) {
		if (hasItem(i) && !replaces)
			continue
		setItem(i, item)
	}
}

/**
 * Fills the specified [row] with the specified [material].
 */
fun Inventory.fillRow(row: Int, material: Materials, replaces: Boolean = false) =
	fillRow(row, material.toItem(), replaces)