Add GM & NPC (UI) support. Change the Id system.

shared/src/commonMain/kotlin/com/pixelized/shared/lwa/model/campaign/Campaign.kt

@@ -10,9 +10,25 @@ data class Campaign(
         val diminished: Int,
     ) {
         data class Id(
+            val prefix: Char,
             val characterSheetId: String,
             val instanceId: Int,
-        )
+        ) {
+            fun equals(
+                prefix: Char,
+                characterSheetId: String?,
+                instanceId: Int?,
+            ): Boolean {
+                return this.prefix == prefix &&
+                        this.characterSheetId == characterSheetId &&
+                        this.instanceId == instanceId
+            }
+
+            companion object {
+                const val PLAYER = 'c'
+                const val NPC = 'n'
+            }
+        }
 
         enum class Characteristic {
             Damage,

shared/src/commonMain/kotlin/com/pixelized/shared/lwa/model/campaign/factory/CampaignJsonFactory.kt

@@ -65,7 +65,7 @@ class CampaignJsonFactory(
     fun convertToJson(
         id: Campaign.CharacterInstance.Id,
     ): String {
-        return "${String.format("%03d", id.instanceId)}-${id.characterSheetId}"
+        return "${id.prefix}-${String.format("%03d", id.instanceId)}-${id.characterSheetId}"
     }
 
     fun convertToJson(

shared/src/commonMain/kotlin/com/pixelized/shared/lwa/model/campaign/factory/CampaignJsonV1Factory.kt

@@ -33,8 +33,9 @@ class CampaignJsonV1Factory {
         characterInstanceIdJson: String,
     ): Campaign.CharacterInstance.Id {
         return Campaign.CharacterInstance.Id(
-            characterSheetId = characterInstanceIdJson.drop(4), // drop first 3 number then the -
-            instanceId = characterInstanceIdJson.take(3).toIntOrNull() ?: 0,
+            prefix = characterInstanceIdJson.take(1)[0],
+            characterSheetId = characterInstanceIdJson.drop(2 + 4), // drop the char then the - then the first 3 number then the -
+            instanceId = characterInstanceIdJson.drop(2).take(3).toIntOrNull() ?: 0,
         )
     }
 

shared/src/commonMain/kotlin/com/pixelized/shared/lwa/protocol/websocket/payload/CampaignMessage.kt

@@ -5,11 +5,13 @@ import kotlinx.serialization.Serializable
 
 @Serializable
 sealed interface CampaignMessage : MessagePayload {
+    val prefix: Char
     val characterSheetId: String
     val instanceId: Int
 
     @Serializable
     data class UpdateCharacteristic(
+        override val prefix: Char,
         override val characterSheetId: String,
         override val instanceId: Int,
         val characteristic: CampaignJsonV1.CharacterInstanceJsonV1.CharacteristicV1,
@@ -18,6 +20,7 @@ sealed interface CampaignMessage : MessagePayload {
 
     @Serializable
     data class UpdateDiminished(
+        override val prefix: Char,
         override val characterSheetId: String,
         override val instanceId: Int,
         val diminished: Int,

shared/src/commonMain/kotlin/com/pixelized/shared/lwa/protocol/websocket/payload/RollMessage.kt

@@ -6,7 +6,9 @@ import java.util.UUID
 @Serializable
 data class RollMessage(
     val id: RollId,
+    val prefix: Char,
     val characterSheetId: String,
+    val instanceId: Int?,
     val skillLabel: String,
     val rollValue: Int,
     val resultLabel: String? = null,