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package moe.nea.firmament.util
import com.google.auto.service.AutoService
import net.minecraft.client.gui.screen.ingame.HandledScreen
import net.minecraft.item.ItemStack
import moe.nea.firmament.mixins.accessor.AccessorHandledScreen
import moe.nea.firmament.util.compatloader.CompatLoader
interface HoveredItemStackProvider : Comparable<HoveredItemStackProvider> {
fun provideHoveredItemStack(screen: HandledScreen<*>): ItemStack?
override fun compareTo(other: HoveredItemStackProvider): Int {
return compareValues(this.prio, other.prio)
}
val prio: Int get() = 0
companion object : CompatLoader<HoveredItemStackProvider>(HoveredItemStackProvider::class) {
val sorted = HoveredItemStackProvider.allValidInstances.sorted()
}
}
@AutoService(HoveredItemStackProvider::class)
class VanillaScreenProvider : HoveredItemStackProvider {
override fun provideHoveredItemStack(screen: HandledScreen<*>): ItemStack? {
screen as AccessorHandledScreen
val vanillaSlot = screen.focusedSlot_Firmament?.stack
return vanillaSlot
}
override val prio: Int
get() = -1
}
val HandledScreen<*>.focusedItemStack: ItemStack?
get() =
HoveredItemStackProvider.sorted
.firstNotNullOfOrNull { it.provideHoveredItemStack(this)?.takeIf { !it.isEmpty } }
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