Add per compat project event listeners

[no changelog]

1 files changed, 18 insertions, 6 deletions

diff --git a/src/main/kotlin/events/FirmamentEventBus.kt b/src/main/kotlin/events/FirmamentEventBus.kt
index ee9e6c8..71331d1 100644
--- a/src/main/kotlin/events/FirmamentEventBus.kt
+++ b/src/main/kotlin/events/FirmamentEventBus.kt
@@ -1,8 +1,7 @@
-
-
 package moe.nea.firmament.events
 
 import java.util.concurrent.CopyOnWriteArrayList
+import org.apache.commons.lang3.reflect.TypeUtils
 import moe.nea.firmament.Firmament
 import moe.nea.firmament.util.MC
 
@@ -13,18 +12,31 @@ import moe.nea.firmament.util.MC
  * Subscriptions may not necessarily be delivered in the order of registering.
  */
 open class FirmamentEventBus<T : FirmamentEvent> {
+    companion object {
+        val allEventBuses = mutableListOf<FirmamentEventBus<*>>()
+    }
+
+    val eventType = TypeUtils.getTypeArguments(javaClass, FirmamentEventBus::class.java)!!.values.single()
+
+    init {
+        allEventBuses.add(this)
+    }
+
     data class Handler<T>(
         val invocation: (T) -> Unit, val receivesCancelled: Boolean,
         var knownErrors: MutableSet<Class<*>> = mutableSetOf(),
+        val label: String,
     )
 
     private val toHandle: MutableList<Handler<T>> = CopyOnWriteArrayList()
-    fun subscribe(handle: (T) -> Unit) {
-        subscribe(false, handle)
+    val handlers: List<Handler<T>> get() = toHandle
+
+    fun subscribe(label: String, handle: (T) -> Unit) {
+        subscribe(false, label, handle)
     }
 
-    fun subscribe(receivesCancelled: Boolean, handle: (T) -> Unit) {
-        toHandle.add(Handler(handle, receivesCancelled))
+    fun subscribe(receivesCancelled: Boolean, label: String, handle: (T) -> Unit) {
+        toHandle.add(Handler(handle, receivesCancelled, label = label))
     }
 
     fun publish(event: T): T {