[Editor] Create Asset object base for attachable project items

Implement GameMapAsset which contains additional metainfo related to attached GameMap.

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/asset/model/Asset.kt

@@ -0,0 +1,6 @@
+package com.bartlomiejpluta.base.editor.asset.model
+
+interface Asset {
+   val uid: String
+   val source: String
+}

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/map/asset/GameMapAsset.kt

@@ -0,0 +1,13 @@
+package com.bartlomiejpluta.base.editor.map.asset
+
+import com.bartlomiejpluta.base.editor.asset.model.Asset
+
+// TODO(Add tileSetUID field)
+data class GameMapAsset(
+   override val uid: String,
+   val name: String,
+   val rows: Int,
+   val columns: Int,
+) : Asset {
+   override val source = "$uid.dat"
+}

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/context/DefaultProjectContext.kt

@@ -1,5 +1,7 @@
 package com.bartlomiejpluta.base.editor.project.context
 
+import com.bartlomiejpluta.base.editor.asset.model.Asset
+import com.bartlomiejpluta.base.editor.map.asset.GameMapAsset
 import com.bartlomiejpluta.base.editor.map.model.map.GameMap
 import com.bartlomiejpluta.base.editor.map.serial.MapSerializer
 import com.bartlomiejpluta.base.editor.project.model.Project
@@ -7,10 +9,12 @@ import com.bartlomiejpluta.base.editor.project.serial.ProjectDeserializer
 import com.bartlomiejpluta.base.editor.project.serial.ProjectSerializer
 import com.bartlomiejpluta.base.editor.util.uid.UID
 import javafx.beans.property.ObjectProperty
+import javafx.beans.property.ReadOnlyObjectWrapper
 import javafx.beans.property.SimpleObjectProperty
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.stereotype.Component
 import tornadofx.getValue
+import tornadofx.select
 import tornadofx.setValue
 import java.io.File
 import java.io.FileInputStream
@@ -31,6 +35,23 @@ class DefaultProjectContext : ProjectContext {
    override val projectProperty = SimpleObjectProperty<Project?>() as ObjectProperty<Project?>
    override var project by projectProperty
 
+   private val mapsDirectoryProperty = SimpleObjectProperty<File?>()
+   private val mapsDirectory by mapsDirectoryProperty
+
+   init {
+      projectProperty.addListener { _, _, newProject ->
+         when(newProject) {
+            null -> {
+               mapsDirectoryProperty.value = null
+            }
+
+            else -> {
+               mapsDirectoryProperty.value = File(newProject.sourceDirectory, MAPS_DIR).apply(File::mkdirs)
+            }
+         }
+      }
+   }
+
    override fun save() {
       project?.let {
          it.sourceDirectory.mkdirs()
@@ -50,19 +71,18 @@ class DefaultProjectContext : ProjectContext {
 
    override fun attachMap(map: GameMap) {
       project?.let {
-         UID.next(it.maps).let { uid ->
+         UID.next(it.maps.map(Asset::uid)).let { uid ->
+            val asset = GameMapAsset(uid, map.name, map.rows, map.columns)
             map.uid = uid
-            it.maps += uid
-         }
+            it.maps += asset
 
-         saveMap(it, map)
-         save()
+            save()
+            File(mapsDirectory, asset.source).outputStream().use { fos -> mapSerializer.serialize(map, fos) }
+         }
       }
    }
 
-   private fun saveMap(project: Project, map: GameMap) {
-      val dir = File(project.sourceDirectory, "maps")
-      dir.mkdirs()
-      File(dir, "${map.uid}.dat").outputStream().use { mapSerializer.serialize(map, it) }
+   companion object {
+      const val MAPS_DIR = "maps"
    }
 }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/model/Project.kt

@@ -1,8 +1,11 @@
 package com.bartlomiejpluta.base.editor.project.model
 
+import com.bartlomiejpluta.base.editor.map.asset.GameMapAsset
 import javafx.beans.property.SimpleObjectProperty
 import javafx.beans.property.SimpleStringProperty
-import tornadofx.*
+import tornadofx.getValue
+import tornadofx.observableListOf
+import tornadofx.setValue
 import java.io.File
 
 class Project {
@@ -12,5 +15,5 @@ class Project {
    val sourceDirectoryProperty = SimpleObjectProperty<File>()
    val sourceDirectory by sourceDirectoryProperty
 
-   val maps = observableListOf<String>()
+   val maps = observableListOf<GameMapAsset>()
 }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/serial/ProtobufProjectDeserializer.kt

@@ -1,8 +1,10 @@
 package com.bartlomiejpluta.base.editor.project.serial
 
+import com.bartlomiejpluta.base.editor.map.asset.GameMapAsset
 import com.bartlomiejpluta.base.editor.project.model.Project
 import com.bartlomiejpluta.base.proto.ProjectProto
 import org.springframework.stereotype.Component
+import java.io.File
 import java.io.InputStream
 
 @Component
@@ -12,8 +14,15 @@ class ProtobufProjectDeserializer : ProjectDeserializer {
       val proto = ProjectProto.Project.parseFrom(input)
       val project = Project()
       project.name = proto.name
-      project.maps.addAll(proto.mapsList)
+      project.maps.addAll(proto.mapsList.map(this::deserializeMap))
 
       return project
    }
+
+   private fun deserializeMap(map: ProjectProto.GameMapAsset) = GameMapAsset(
+      uid = map.uid,
+      name = map.name,
+      rows = map.rows,
+      columns = map.columns
+   )
 }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/serial/ProtobufProjectSerializer.kt

@@ -1,5 +1,6 @@
 package com.bartlomiejpluta.base.editor.project.serial
 
+import com.bartlomiejpluta.base.editor.map.asset.GameMapAsset
 import com.bartlomiejpluta.base.editor.project.model.Project
 import com.bartlomiejpluta.base.proto.ProjectProto
 import org.springframework.stereotype.Component
@@ -11,7 +12,16 @@ class ProtobufProjectSerializer : ProjectSerializer {
    override fun serialize(item: Project, output: OutputStream) {
       val proto = ProjectProto.Project.newBuilder()
       proto.name = item.name
-      proto.addAllMaps(item.maps)
+      proto.addAllMaps(item.maps.map(this::serializeMap))
       proto.build().writeTo(output)
    }
+
+   private fun serializeMap(map: GameMapAsset) = ProjectProto.GameMapAsset.newBuilder()
+      .setUid(map.uid)
+      .setSource(map.source)
+      .setName(map.name)
+      .setRows(map.rows)
+      .setColumns(map.columns)
+      .build()
+
 }

proto/src/main/proto/project.proto

@@ -5,5 +5,14 @@ option java_outer_classname = "ProjectProto";
 
 message Project {
   required string name = 1;
-  repeated string maps = 2;
+  repeated GameMapAsset maps = 2;
+}
+
+// TODO(Add tileSetUID field)
+message GameMapAsset {
+  required string uid = 1;
+  required string source = 2;
+  required string name = 3;
+  required uint32 rows = 4;
+  required uint32 columns = 5;
 }