108 lines
5.8 KiB
Kotlin
108 lines
5.8 KiB
Kotlin
package net.shadowfacts.forgelin
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import net.minecraftforge.eventbus.EventBusErrorMessage
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import net.minecraftforge.eventbus.api.Event
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import net.minecraftforge.eventbus.api.IEventBus
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import net.minecraftforge.eventbus.api.IEventExceptionHandler
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import net.minecraftforge.eventbus.api.IEventListener
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import net.minecraftforge.fml.*
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import net.minecraftforge.fml.Logging.LOADING
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import net.minecraftforge.fml.config.ModConfig
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import net.minecraftforge.forgespi.language.IModInfo
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import net.minecraftforge.forgespi.language.ModFileScanData
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import org.apache.logging.log4j.LogManager
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import java.util.*
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import java.util.function.Consumer
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class FMLKotlinModContainer(
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private val info: IModInfo,
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private val className: String,
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private val modClassLoader: ClassLoader,
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private val scanResults: ModFileScanData
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) : ModContainer(info) {
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private val log = LogManager.getLogger()
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val eventBus: IEventBus
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private var mod: Any? = null
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private val modClass: Class<*>
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init {
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log.debug(LOADING, "Creating FMLModContainer instance for {} with classLoader {} & {}", className, modClassLoader, javaClass.classLoader)
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triggerMap[ModLoadingStage.CONSTRUCT] = dummy().andThen(::beforeEvent).andThen(::constructMod).andThen(::afterEvent)
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triggerMap[ModLoadingStage.CREATE_REGISTRIES] = dummy().andThen(::beforeEvent).andThen(::fireEvent).andThen(::afterEvent)
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triggerMap[ModLoadingStage.LOAD_REGISTRIES] = dummy().andThen(::beforeEvent).andThen(::fireEvent).andThen(::afterEvent)
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triggerMap[ModLoadingStage.COMMON_SETUP] = dummy().andThen(::beforeEvent).andThen(::fireEvent).andThen(::afterEvent)
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triggerMap[ModLoadingStage.SIDED_SETUP] = dummy().andThen(::beforeEvent).andThen(::fireEvent).andThen(::afterEvent)
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triggerMap[ModLoadingStage.ENQUEUE_IMC] = dummy().andThen(::beforeEvent).andThen(::fireEvent).andThen(::afterEvent)
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triggerMap[ModLoadingStage.PROCESS_IMC] = dummy().andThen(::beforeEvent).andThen(::fireEvent).andThen(::afterEvent)
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triggerMap[ModLoadingStage.COMPLETE] = dummy().andThen(::beforeEvent).andThen(::fireEvent).andThen(::afterEvent)
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eventBus = IEventBus.create(::onEventFailed)
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configHandler = Optional.of<Consumer<ModConfig.ModConfigEvent>>(Consumer { event -> eventBus.post(event) })
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try {
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// Here, we won't init the class, meaning static {} blocks (init {} in kotlin) won't get triggered
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// but we will still have to do it later, on CONSTRUCT phase.
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modClass = Class.forName(className, false, modClassLoader)
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log.debug(LOADING, "Loaded modclass {} with {}", modClass.name, modClass.classLoader)
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} catch (e: Throwable) {
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log.error(LOADING, "Failed to load class {}", className, e)
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throw ModLoadingException(info, ModLoadingStage.CONSTRUCT, "fml.modloading.failedtoloadmodclass", e)
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}
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}
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private fun dummy(): Consumer<LifecycleEventProvider.LifecycleEvent> = Consumer {}
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private fun onEventFailed(iEventBus: IEventBus, event: Event, iEventListeners: Array<IEventListener>, i: Int, throwable: Throwable) {
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log.error(EventBusErrorMessage(event, i, iEventListeners, throwable))
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}
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private fun beforeEvent(lifecycleEvent: LifecycleEventProvider.LifecycleEvent) {
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FMLKotlinModLoadingContext.get().activeContainer = this
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ModThreadContext.get().activeContainer = this
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}
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private fun fireEvent(lifecycleEvent: LifecycleEventProvider.LifecycleEvent) {
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val event = lifecycleEvent.getOrBuildEvent(this)
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log.debug(LOADING, "Firing event for modid {} : {}", this.getModId(), event)
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try {
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eventBus.post(event)
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log.debug(LOADING, "Fired event for modid {} : {}", this.getModId(), event)
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} catch (e: Throwable) {
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log.error(LOADING, "Caught exception during event {} dispatch for modid {}", event, this.getModId(), e)
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throw ModLoadingException(modInfo, lifecycleEvent.fromStage(), "fml.modloading.errorduringevent", e)
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}
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}
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private fun afterEvent(lifecycleEvent: LifecycleEventProvider.LifecycleEvent) {
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ModThreadContext.get().activeContainer = null
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FMLKotlinModLoadingContext.get().activeContainer = null
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if (currentState == ModLoadingStage.ERROR) {
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log.error(LOADING, "An error occurred while dispatching event {} to {}", lifecycleEvent.fromStage(), getModId())
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}
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}
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private fun constructMod(event: LifecycleEventProvider.LifecycleEvent) {
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try {
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log.debug(LOADING, "Loading mod instance {} of type {}", getModId(), modClass.name)
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// Now we can load the class, so that static {} block gets called
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Class.forName(className)
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// Then we check whether it's a kotlin object and return it, or if not we create a new instance of kotlin class.
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this.mod = modClass.kotlin.objectInstance ?: modClass.newInstance()
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log.debug(LOADING, "Loaded mod instance {} of type {}", getModId(), modClass.name)
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} catch (e: Throwable) {
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log.error(LOADING, "Failed to create mod instance. ModID: {}, class {}", getModId(), modClass.name, e)
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throw ModLoadingException(modInfo, event.fromStage(), "fml.modloading.failedtoloadmod", e, modClass)
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}
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log.debug(LOADING, "Injecting Automatic event subscribers for {}", getModId())
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AutomaticEventSubscriber.inject(this, this.scanResults, this.modClass.classLoader)
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//ForgelinAutomaticEventSubscriber.subscribeAutomatic(FMLKotlinModLoadingContext.get().activeContainer, event.asmData, FMLCommonHandler.instance().side)
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log.debug(LOADING, "Completed Automatic event subscribers for {}", getModId())
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}
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override fun matches(mod: Any): Boolean = mod === this.mod
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override fun getMod(): Any? = mod
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} |