2 files changed, 52 insertions, 0 deletions
diff --git a/src/main/kotlin/moe/nea/firmament/events/EntityUpdateEvent.kt b/src/main/kotlin/moe/nea/firmament/events/EntityUpdateEvent.kt
new file mode 100644
index 0000000..e0d6b8c
--- /dev/null
+++ b/src/main/kotlin/moe/nea/firmament/events/EntityUpdateEvent.kt
@@ -0,0 +1,36 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Linnea Gräf <nea@nea.moe>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package moe.nea.firmament.events
+
+import net.minecraft.entity.Entity
+import net.minecraft.entity.LivingEntity
+import net.minecraft.entity.data.DataTracker
+import net.minecraft.network.packet.s2c.play.EntityAttributesS2CPacket
+
+/**
+ * This event is fired when some entity properties are updated.
+ * It is not fired for common changes like position, but is for less common ones,
+ * like health, tracked data, names, equipment. It is always fired
+ * *after* the values have been applied to the entity.
+ */
+sealed class EntityUpdateEvent : FirmamentEvent() {
+    companion object : FirmamentEventBus<EntityUpdateEvent>()
+
+    abstract val entity: Entity
+
+    data class AttributeUpdate(
+        override val entity: LivingEntity,
+        val attributes: List<EntityAttributesS2CPacket.Entry>,
+    ) : EntityUpdateEvent()
+
+    data class TrackedDataUpdate(
+        override val entity: Entity,
+        val trackedValues: List<DataTracker.SerializedEntry<*>>,
+    ) : EntityUpdateEvent()
+
+// TODO: onEntityPassengersSet, onEntityAttach?, onEntityEquipmentUpdate, onEntityStatusEffect
+}
diff --git a/src/main/kotlin/moe/nea/firmament/events/PlayerInventoryUpdate.kt b/src/main/kotlin/moe/nea/firmament/events/PlayerInventoryUpdate.kt
new file mode 100644
index 0000000..3afdbe3
--- /dev/null
+++ b/src/main/kotlin/moe/nea/firmament/events/PlayerInventoryUpdate.kt
@@ -0,0 +1,16 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Linnea Gräf <nea@nea.moe>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package moe.nea.firmament.events
+
+import net.minecraft.item.ItemStack
+
+sealed class PlayerInventoryUpdate : FirmamentEvent() {
+    companion object : FirmamentEventBus<PlayerInventoryUpdate>()
+    data class Single(val slot: Int, val stack: ItemStack) : PlayerInventoryUpdate()
+    data class Multi(val contents: List<ItemStack>) : PlayerInventoryUpdate()
+
+}