Fixed events using custom serializers don't serialize base properties.

core/src/commonMain/kotlin/cn/rdlevel/rdkt/core/events/Event.kt

@@ -55,4 +55,14 @@ public sealed class AbstractEvent: Event {
     override var tag: String? = null
 
     override var runTag: Boolean = false
+
+    /**
+     * Copies base properties from another [AbstractEvent] to this event. This is mainly for serialization and deserialization that uses custom serializers.
+     */
+    protected fun copyBaseFrom(other: AbstractEvent) {
+        this.bar = other.bar
+        this.active = other.active
+        this.tag = other.tag
+        this.runTag = other.runTag
+    }
 }

core/src/commonMain/kotlin/cn/rdlevel/rdkt/core/events/EventTabs.kt

@@ -9,6 +9,11 @@ import kotlinx.serialization.Serializable
 @Serializable
 public sealed class SoundEvent : AbstractEvent(), YSpecificEvent {
     override var y: Int = 0
+
+    protected fun copyBaseFrom(other: SoundEvent) {
+        super.copyBaseFrom(other)
+        this.y = other.y
+    }
 }
 
 /**
@@ -21,6 +26,11 @@ public sealed class BeatSpecificSoundEvent : BeatSpecificEvent, SoundEvent() {
             BeatSpecificEvent.requireBeatInBound(value)
             field = value
         }
+
+    protected fun copyBaseFrom(other: BeatSpecificSoundEvent) {
+        super.copyBaseFrom(other)
+        this.beat = other.beat
+    }
 }
 
 /**
@@ -46,6 +56,13 @@ public sealed class RowEvent : AbstractEvent(), BeatSpecificEvent, RowSpecificEv
      */
     override var y: Int = 0
 
+    protected fun copyBaseFrom(other: RowEvent) {
+        super.copyBaseFrom(other)
+        this.beat = other.beat
+        this.rowId = other.rowId
+        this.y = other.y
+    }
+
 }
 
 /**

core/src/commonMain/kotlin/cn/rdlevel/rdkt/core/events/PulseFreeTimeBeatEvent.kt

@@ -60,11 +60,11 @@ public data class PulseFreeTimeBeatEvent @JvmOverloads constructor(
 
     public object Serializer : TransformSerializer<PulseFreeTimeBeatEvent, Serializer.Data>(Data.serializer()) {
         override fun toData(value: PulseFreeTimeBeatEvent): Data {
-            return Data(
-                action = value.action.action,
-                hold = value.hold,
-                customPulse = (value.action as? Action.Custom)?.pulse,
-            )
+            return Data.fromBase(value).apply {
+                action = value.action.action
+                hold = value.hold
+                customPulse = (value.action as? Action.Custom)?.pulse
+            }
         }
 
         override fun fromData(data: Data): PulseFreeTimeBeatEvent {
@@ -78,7 +78,7 @@ public data class PulseFreeTimeBeatEvent @JvmOverloads constructor(
             return PulseFreeTimeBeatEvent(
                 action = action,
                 hold = data.hold,
-            )
+            ).apply { copyBaseFrom(data) }
         }
 
         @RDKTInternalAPI
@@ -87,6 +87,12 @@ public data class PulseFreeTimeBeatEvent @JvmOverloads constructor(
             var action: String = "Increment",
             var hold: Int = 0,
             var customPulse: Int? = null,
-        )
+        ) : RowEvent() {
+            public companion object {
+                public fun fromBase(other: RowEvent): Data {
+                    return Data().apply { copyBaseFrom(other) }
+                }
+            }
+        }
     }
 }

core/src/commonMain/kotlin/cn/rdlevel/rdkt/core/events/SetRowXsEvent.kt

@@ -142,7 +142,9 @@ public data class SetRowXsEvent(
 
     public object Serializer : TransformSerializer<SetRowXsEvent, Serializer.Data>(Data.serializer()) {
         override fun toData(value: SetRowXsEvent): Data {
-            return Data(pattern = value.pattern).apply {
+            return Data.fromBase(value).apply {
+                pattern = value.pattern
+
                 val synco = value.synco
                 syncoBeat = synco.beat
                 if (synco !is SyncoSettings.Enabled) {
@@ -182,7 +184,7 @@ public data class SetRowXsEvent(
                     }
                 }
             }
-            return SetRowXsEvent(pattern = data.pattern, synco = synco)
+            return SetRowXsEvent(pattern = data.pattern, synco = synco).apply { copyBaseFrom(data) }
         }
 
         @Serializable
@@ -196,6 +198,12 @@ public data class SetRowXsEvent(
             var syncoStyle: String = "Chirp",
             var syncoPlayModifierSound: Boolean = true,
             var syncoPlayModifierOffSound: Boolean = true,
-        )
+        ) : RowEvent() {
+            public companion object {
+                public fun fromBase(other: RowEvent): Data {
+                    return Data().apply { copyBaseFrom(other) }
+                }
+            }
+        }
     }
 }