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package moe.nea.firmament.events
import java.util.Optional
import kotlin.jvm.optionals.getOrNull
import net.minecraft.item.ItemStack
import net.minecraft.util.Identifier
import moe.nea.firmament.util.collections.WeakCache
import moe.nea.firmament.util.mc.IntrospectableItemModelManager
// TODO: assert an order on these events
data class CustomItemModelEvent(
val itemStack: ItemStack,
val itemModelManager: IntrospectableItemModelManager,
var overrideModel: Identifier? = null,
) : FirmamentEvent() {
companion object : FirmamentEventBus<CustomItemModelEvent>() {
val cache = WeakCache.memoize("ItemModelIdentifier", ::getModelIdentifier0)
@JvmStatic
fun getModelIdentifier(itemStack: ItemStack?, itemModelManager: IntrospectableItemModelManager): Identifier? {
if (itemStack == null) return null
return cache.invoke(itemStack, itemModelManager).getOrNull()
}
fun getModelIdentifier0(
itemStack: ItemStack,
itemModelManager: IntrospectableItemModelManager
): Optional<Identifier> {
// TODO: add an error / warning if the model does not exist
return Optional.ofNullable(publish(CustomItemModelEvent(itemStack, itemModelManager)).overrideModel)
}
}
fun overrideIfExists(overrideModel: Identifier) {
if (itemModelManager.hasModel_firmament(overrideModel))
this.overrideModel = overrideModel
}
fun overrideIfEmpty(identifier: Identifier) {
if (overrideModel == null)
overrideModel = identifier
}
}
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