add avatars for players and server user

core/src/main/kotlin/matterlink/bridge/MessageHandlerInst.kt

@@ -11,6 +11,16 @@ object MessageHandlerInst : MessageHandler() {
     }
 
     fun transmit(msg: ApiMessage, cause: String, maxLines: Int = cfg.outgoing.inlineLimit) {
+        if (msg.username.isEmpty()) {
+            msg.username = cfg.outgoing.systemUser
+
+            if(msg.avatar.isEmpty() && cfg.outgoing.avatar.enable) {
+                msg.avatar = cfg.outgoing.avatar.systemUserAvatar
+            }
+        }
+        if (msg.gateway.isEmpty())
+            msg.gateway = cfg.connect.gateway
+
         if (msg.text.lines().count() >= maxLines) {
             try {
                 val response = PasteUtil.paste(

core/src/main/kotlin/matterlink/config/BaseConfig.kt

@@ -4,8 +4,11 @@ import blue.endless.jankson.Jankson
 import blue.endless.jankson.JsonObject
 import blue.endless.jankson.impl.Marshaller
 import blue.endless.jankson.impl.SyntaxError
-import matterlink.*
 import matterlink.bridge.MessageHandlerInst
+import matterlink.getOrDefault
+import matterlink.logger
+import matterlink.registerTypeAdapter
+import matterlink.stackTraceString
 import java.io.File
 import java.io.FileNotFoundException
 
@@ -65,6 +68,7 @@ data class BaseConfig(val rootDir: File) {
             val inlineLimit: Int = 5,
 
             val joinPart: JoinPartOptions = JoinPartOptions(),
+            var avatar: AvatarOptions = AvatarOptions(),
             val death: DeathOptions = DeathOptions()
     )
 
@@ -104,6 +108,13 @@ data class BaseConfig(val rootDir: File) {
             )
     )
 
+    data class AvatarOptions(
+            val enable: Boolean = true,
+            val urlTemplate: String = "https://visage.surgeplay.com/head/512/{uuid}",
+            // https://www.freepik.com/free-icon/right-arrow-angle-and-horizontal-down-line-code-signs_732795.htm
+            val systemUserAvatar: String = "https://image.freepik.com/free-icon/right-arrow-angle-and-horizontal-down-line-code-signs_318-53994.jpg"
+    )
+
     data class JoinPartOptions(
             val enable: Boolean = true,
             val joinServer: String = "{username:antiping} has connected to the platform",
@@ -285,6 +296,11 @@ data class BaseConfig(val rootDir: File) {
                                         DeathOptions(),
                                         "Death messages settings"
                                 ),
+                                avatar = it.getOrDefault(
+                                        "avatar",
+                                        AvatarOptions(),
+                                        "Avatar options"
+                                ),
                                 joinPart = it.getOrDefault(
                                         "joinPart",
                                         JoinPartOptions(),
@@ -323,6 +339,22 @@ data class BaseConfig(val rootDir: File) {
                         )
                     }
                 }
+                .registerTypeAdapter {
+                    with(AvatarOptions()) {
+                        AvatarOptions(
+                                enable = it.getOrDefault(
+                                        "enable",
+                                        enable,
+                                        "enable ingame avatar"
+                                ),
+                                urlTemplate = it.getOrDefault(
+                                        "urlTemplate",
+                                        urlTemplate,
+                                        "template for constructing the user avatar url using the uuid"
+                                )
+                        )
+                    }
+                }
                 .registerTypeAdapter {
                     with(JoinPartOptions()) {
                         JoinPartOptions(

core/src/main/kotlin/matterlink/handlers/ChatProcessor.kt

@@ -3,6 +3,7 @@ package matterlink.handlers
 import matterlink.api.ApiMessage
 import matterlink.bridge.MessageHandlerInst
 import matterlink.bridge.command.BridgeCommandRegistry
+import matterlink.config.cfg
 import matterlink.instance
 import matterlink.logger
 import matterlink.stripColorOut
@@ -21,7 +22,12 @@ object ChatProcessor {
                             username = user.stripColorOut,
                             text = message.stripColorOut,
                             event = event
-                    ),
+                    ).apply {
+                        if(cfg.outgoing.avatar.enable) {
+                            if(uuid != null)
+                                avatar = cfg.outgoing.avatar.urlTemplate.replace("{uuid}", uuid.toString())
+                        }
+                    },
                     cause = "Message from $user"
             )
             else -> logger.warn("WARN: dropped blank message by '$user'")