added useful stuff

1 files changed, 31 insertions, 0 deletions

diff --git a/src/main/java/at/hannibal2/skyhanni/utils/ItemBlink.kt b/src/main/java/at/hannibal2/skyhanni/utils/ItemBlink.kt
new file mode 100644
index 000000000..8afc2a2b7
--- /dev/null
+++ b/src/main/java/at/hannibal2/skyhanni/utils/ItemBlink.kt
@@ -0,0 +1,31 @@
+package at.hannibal2.skyhanni.utils
+
+import net.minecraft.item.Item
+import net.minecraft.item.ItemStack
+
+object ItemBlink {
+    private val offsets = mutableMapOf<Item, Long>()
+    private var lastOffset = 0L
+    private var endOfBlink = 0L
+    private var blinkItem: ItemStack? = null
+
+    fun setBlink(item: ItemStack?, durationMillis: Long) {
+        endOfBlink = System.currentTimeMillis() + durationMillis
+        blinkItem = item
+    }
+
+    fun ItemStack.checkBlinkItem(): ItemStack {
+        val stack = blinkItem ?: return this
+        if (System.currentTimeMillis() > endOfBlink) return this
+
+        val offset: Long = if (!offsets.containsKey(item)) {
+            lastOffset += 200
+            val number = lastOffset % 1000
+            offsets[item] = number
+            number
+        } else {
+            offsets[item]!!
+        }
+        return if ((offset + System.currentTimeMillis()) % 1000 > 500) stack else this
+    }
+}
\ No newline at end of file