Frankenstein some deprecated methods back into EventHandler

(KubeJS is too powerful to let this API break!)

build.gradle

@@ -40,7 +40,7 @@ subprojects {
 	apply plugin: "java"
 	apply plugin: "dev.architectury.loom"
 	apply plugin: 'architectury-plugin'
-	apply plugin: "io.github.juuxel.loom-quiltflower"
+	apply plugin: "io.github.juuxel.loom-vineflower"
 	apply plugin: "maven-publish"
 	apply from: "https://files.latvian.dev/public/markdown-git-changelog.gradle"
 

common/src/main/java/dev/latvian/mods/kubejs/core/mixin/common/EventHandlerBridgeMixin.java

@@ -0,0 +1,17 @@
+package dev.latvian.mods.kubejs.core.mixin.common;
+
+import dev.latvian.mods.kubejs.event.EventHandler;
+import dev.latvian.mods.kubejs.event.EventJS;
+import org.spongepowered.asm.mixin.Mixin;
+
+@SuppressWarnings("ReferenceToMixin")
+@Mixin(value = EventHandler.class, remap = false)
+public abstract class EventHandlerBridgeMixin {
+	public EventHandler cancelable() {
+		return ((EventHandlerInvoker) this).callHasResult();
+	}
+
+	public boolean post(Object extraId, EventJS event) {
+		return ((EventHandlerInvoker) this).callPost(event, extraId).interruptFalse();
+	}
+}

common/src/main/java/dev/latvian/mods/kubejs/core/mixin/common/EventHandlerInvoker.java

@@ -0,0 +1,18 @@
+package dev.latvian.mods.kubejs.core.mixin.common;
+
+import dev.latvian.mods.kubejs.event.EventHandler;
+import dev.latvian.mods.kubejs.event.EventJS;
+import dev.latvian.mods.kubejs.event.EventResult;
+import org.jetbrains.annotations.Nullable;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Invoker;
+
+@Mixin(value = EventHandler.class, remap = false)
+public interface EventHandlerInvoker {
+
+	@Invoker(remap = false)
+	EventHandler callHasResult();
+
+	@Invoker(remap = false)
+	EventResult callPost(EventJS event, @Nullable Object extraId);
+}

common/src/main/resources/kubejs-common.mixins.json

@@ -8,6 +8,8 @@
 		"ContainerMixin",
 		"DamageSourceMixin",
 		"EntityMixin",
+		"EventHandlerBridgeMixin",
+		"EventHandlerInvoker",
 		"FireworkRocketEntityMixin",
 		"GameRulesMixin",
 		"IngredientMixin",