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package moe.nea.firmament.util.data
import java.util.concurrent.CopyOnWriteArrayList
import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents
import kotlin.reflect.KClass
import net.minecraft.client.MinecraftClient
import net.minecraft.server.command.CommandOutput
import net.minecraft.text.Text
import moe.nea.firmament.Firmament
import moe.nea.firmament.events.ScreenChangeEvent
interface IDataHolder<T> {
companion object {
internal var badLoads: MutableList<String> = CopyOnWriteArrayList()
private val allConfigs: MutableMap<KClass<out IDataHolder<*>>, IDataHolder<*>> = mutableMapOf()
private val dirty: MutableSet<KClass<out IDataHolder<*>>> = mutableSetOf()
internal fun <T : IDataHolder<K>, K> putDataHolder(kClass: KClass<T>, inst: IDataHolder<K>) {
allConfigs[kClass] = inst
}
fun <T : IDataHolder<K>, K> markDirty(kClass: KClass<T>) {
if (kClass !in allConfigs) {
Firmament.logger.error("Tried to markDirty '${kClass.qualifiedName}', which isn't registered as 'IConfigHolder'")
return
}
dirty.add(kClass)
}
private fun performSaves() {
val toSave = dirty.toList().also {
dirty.clear()
}
for (it in toSave) {
val obj = allConfigs[it]
if (obj == null) {
Firmament.logger.error("Tried to save '${it}', which isn't registered as 'ConfigHolder'")
continue
}
obj.save()
}
}
private fun warnForResetConfigs(player: CommandOutput) {
if (badLoads.isNotEmpty()) {
player.sendMessage(
Text.literal(
"The following configs have been reset: ${badLoads.joinToString(", ")}. " +
"This can be intentional, but probably isn't."
)
)
badLoads.clear()
}
}
fun registerEvents() {
ScreenChangeEvent.subscribe("IDataHolder:saveOnScreenChange") { event ->
performSaves()
val p = MinecraftClient.getInstance().player
if (p != null) {
warnForResetConfigs(p)
}
}
ClientLifecycleEvents.CLIENT_STOPPING.register(ClientLifecycleEvents.ClientStopping {
performSaves()
})
}
}
val data: T
fun save()
fun markDirty()
fun load()
}
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