d2f240ff0c
Introduce compat source sets and move all kotlin sources to the main directory [no changelog]
119 lines
3.8 KiB
Kotlin
119 lines
3.8 KiB
Kotlin
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package moe.nea.firmament.commands
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import com.mojang.brigadier.arguments.ArgumentType
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import com.mojang.brigadier.builder.ArgumentBuilder
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import com.mojang.brigadier.builder.RequiredArgumentBuilder
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import com.mojang.brigadier.context.CommandContext
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import com.mojang.brigadier.suggestion.SuggestionProvider
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import kotlinx.coroutines.launch
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import moe.nea.firmament.Firmament
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import moe.nea.firmament.util.MinecraftDispatcher
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import moe.nea.firmament.util.iterate
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import net.fabricmc.fabric.api.client.command.v2.FabricClientCommandSource
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import java.lang.reflect.ParameterizedType
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import java.lang.reflect.Type
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import java.lang.reflect.TypeVariable
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typealias DefaultSource = FabricClientCommandSource
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inline val <T : CommandContext<*>> T.context get() = this
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operator fun <T : Any, C : CommandContext<*>> C.get(arg: TypeSafeArg<T>): T {
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return arg.get(this)
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}
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fun literal(
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name: String,
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block: CaseInsensitiveLiteralCommandNode.Builder<DefaultSource>.() -> Unit
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): CaseInsensitiveLiteralCommandNode.Builder<DefaultSource> =
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CaseInsensitiveLiteralCommandNode.Builder<DefaultSource>(name).also(block)
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private fun normalizeGeneric(argument: Type): Class<*> {
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return when (argument) {
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is Class<*> -> argument
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is TypeVariable<*> -> normalizeGeneric(argument.bounds[0])
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is ParameterizedType -> normalizeGeneric(argument.rawType)
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else -> Any::class.java
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}
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}
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data class TypeSafeArg<T : Any>(val name: String, val argument: ArgumentType<T>) {
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val argClass by lazy {
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argument.javaClass
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.iterate<Class<in ArgumentType<T>>> {
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it.superclass
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}
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.flatMap {
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it.genericInterfaces.toList()
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}
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.filterIsInstance<ParameterizedType>()
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.find { it.rawType == ArgumentType::class.java }!!
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.let { normalizeGeneric(it.actualTypeArguments[0]) }
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}
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@JvmName("getWithThis")
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fun <S> CommandContext<S>.get(): T =
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get(this)
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fun <S> get(ctx: CommandContext<S>): T {
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try {
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return ctx.getArgument(name, argClass) as T
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} catch (e: Exception) {
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if (ctx.child != null) {
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return get(ctx.child)
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}
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throw e
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}
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}
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}
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fun <T : Any> argument(
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name: String,
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argument: ArgumentType<T>,
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block: RequiredArgumentBuilder<DefaultSource, T>.(TypeSafeArg<T>) -> Unit
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): RequiredArgumentBuilder<DefaultSource, T> =
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RequiredArgumentBuilder.argument<DefaultSource, T>(name, argument).also { block(it, TypeSafeArg(name, argument)) }
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fun <T : ArgumentBuilder<DefaultSource, T>, AT : Any> T.thenArgument(
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name: String,
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argument: ArgumentType<AT>,
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block: RequiredArgumentBuilder<DefaultSource, AT>.(TypeSafeArg<AT>) -> Unit
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): T = then(argument(name, argument, block))
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fun <T : RequiredArgumentBuilder<DefaultSource, String>> T.suggestsList(provider: CommandContext<DefaultSource>.() -> Iterable<String>) {
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suggests(SuggestionProvider<DefaultSource> { context, builder ->
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provider(context)
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.asSequence()
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.filter { it.startsWith(builder.remaining, ignoreCase = true) }
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.forEach {
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builder.suggest(it)
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}
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builder.buildFuture()
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})
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}
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fun <T : ArgumentBuilder<DefaultSource, T>> T.thenLiteral(
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name: String,
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block: CaseInsensitiveLiteralCommandNode.Builder<DefaultSource>.() -> Unit
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): T =
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then(literal(name, block))
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fun <T : ArgumentBuilder<DefaultSource, T>> T.then(node: ArgumentBuilder<DefaultSource, *>, block: T.() -> Unit): T =
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then(node).also(block)
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fun <T : ArgumentBuilder<DefaultSource, T>> T.thenExecute(block: suspend CommandContext<DefaultSource>.() -> Unit): T =
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executes {
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Firmament.coroutineScope.launch(MinecraftDispatcher) {
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block(it)
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}
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1
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}
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