[Editor] Enable storing Tile Sets and loading Game Maps with them

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/map/serial/ProtobufMapDeserializer.kt

@@ -3,27 +3,30 @@ package com.bartlomiejpluta.base.editor.map.serial
 import com.bartlomiejpluta.base.editor.map.model.layer.Layer
 import com.bartlomiejpluta.base.editor.map.model.layer.TileLayer
 import com.bartlomiejpluta.base.editor.map.model.map.GameMap
+import com.bartlomiejpluta.base.editor.project.context.ProjectContext
 import com.bartlomiejpluta.base.editor.tileset.model.Tile
 import com.bartlomiejpluta.base.editor.tileset.model.TileSet
 import com.bartlomiejpluta.base.proto.GameMapProto
+import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.stereotype.Component
-import tornadofx.ResourceLookup
 import java.io.InputStream
 
 @Component
 class ProtobufMapDeserializer : MapDeserializer {
-   private val resources = ResourceLookup(this)
-   private val tileset = TileSet("Test TileSet", resources.image("/textures/tileset.png"), 160, 8)
+
+   @Autowired
+   private lateinit var projectContext: ProjectContext
 
    override fun deserialize(input: InputStream): GameMap {
-      val map = GameMap(tileset)
       val proto = GameMapProto.GameMap.parseFrom(input)
+      val tileSet = projectContext.loadTileSet(proto.tileSetUID)
+      val map = GameMap(tileSet)
       map.uid = proto.uid
       map.rows = proto.rows
       map.columns = proto.columns
 
       proto.layersList.forEach {
-         map.layers.add(deserializeLayer(map.rows, map.columns, tileset, it))
+         map.layers.add(deserializeLayer(map.rows, map.columns, tileSet, it))
       }
 
       return map

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/map/serial/ProtobufMapSerializer.kt

@@ -15,6 +15,7 @@ class ProtobufMapSerializer : MapSerializer {
       protoMap.uid = item.uid
       protoMap.rows = item.rows
       protoMap.columns = item.columns
+      protoMap.tileSetUID = item.tileSet.uid
 
       item.layers.forEach { layer -> protoMap.addLayers(serializeLayer(layer)) }
 

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/map/view/wizard/MapTileSetSelectionView.kt

@@ -1,6 +1,8 @@
 package com.bartlomiejpluta.base.editor.map.view.wizard
 
+import com.bartlomiejpluta.base.editor.asset.model.Asset
 import com.bartlomiejpluta.base.editor.map.viewmodel.GameMapBuilderVM
+import com.bartlomiejpluta.base.editor.project.context.ProjectContext
 import com.bartlomiejpluta.base.editor.tileset.model.TileSet
 import javafx.scene.control.ListView
 import tornadofx.*
@@ -10,11 +12,15 @@ class MapTileSetSelectionView : View("Tile Set") {
 
    private var tileSetsListView: ListView<TileSet> by singleAssign()
 
-   // TODO(Fetch it from project assets)
-   private val tileSets = listOf(
-      TileSet("Big TileSet", resources.image("/textures/tileset.png"), 160, 8),
-      TileSet("Mage City", resources.image("/textures/magecity.png"), 44, 8)
-   ).asObservable()
+   private val projectContext: ProjectContext by di()
+
+   // FIXME
+   // Because of loading all the images at once and storing them in cache
+   // this solution is not best efficient. It could be better to store images
+   // in the local cache, scoped to this view.
+   private val tileSets =
+      projectContext.project?.tileSets?.map(Asset::uid)?.map(projectContext::loadTileSet)?.asObservable()
+         ?: throw IllegalStateException("There is no open project in the context")
 
 
    // FIXME

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

@@ -10,9 +10,11 @@ import com.bartlomiejpluta.base.editor.project.serial.ProjectDeserializer
 import com.bartlomiejpluta.base.editor.project.serial.ProjectSerializer
 import com.bartlomiejpluta.base.editor.tileset.asset.TileSetAsset
 import com.bartlomiejpluta.base.editor.tileset.asset.TileSetAssetBuilder
+import com.bartlomiejpluta.base.editor.tileset.model.TileSet
 import com.bartlomiejpluta.base.editor.util.uid.UID
 import javafx.beans.property.ObjectProperty
 import javafx.beans.property.SimpleObjectProperty
+import javafx.scene.image.Image
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.stereotype.Component
 import tornadofx.getValue
@@ -23,6 +25,7 @@ import java.io.FileOutputStream
 
 @Component
 class DefaultProjectContext : ProjectContext {
+   private val tileSetCache = mutableMapOf<String, TileSet>()
 
    @Autowired
    private lateinit var projectSerializer: ProjectSerializer
@@ -42,6 +45,7 @@ class DefaultProjectContext : ProjectContext {
    init {
       projectProperty.addListener { _, _, newProject ->
          newProject?.mkdirs()
+         tileSetCache.clear()
       }
    }
 
@@ -94,4 +98,15 @@ class DefaultProjectContext : ProjectContext {
          }
       }
    }
+
+   override fun loadTileSet(uid: String) = tileSetCache.getOrPut(uid) {
+      project?.let {
+         val asset = it.tileSets.first { tileSet -> tileSet.uid == uid }
+            ?: throw IllegalStateException("The Tile Set with uid [$uid] does not exist ")
+
+         val image = File(it.tileSetsDirectory, asset.source).inputStream().use { fis -> Image(fis) }
+
+         TileSet(uid, asset.name, image, asset.rows, asset.columns)
+      } ?: throw IllegalStateException("There is no open project in the context")
+   }
 }

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

@@ -3,6 +3,7 @@ package com.bartlomiejpluta.base.editor.project.context
 import com.bartlomiejpluta.base.editor.map.model.map.GameMap
 import com.bartlomiejpluta.base.editor.project.model.Project
 import com.bartlomiejpluta.base.editor.tileset.asset.TileSetAssetBuilder
+import com.bartlomiejpluta.base.editor.tileset.model.TileSet
 import javafx.beans.property.ObjectProperty
 import java.io.File
 
@@ -17,4 +18,5 @@ interface ProjectContext {
    fun loadMap(uid: String): GameMap
 
    fun importTileSet(builder: TileSetAssetBuilder)
+   fun loadTileSet(uid: String): TileSet
 }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/tileset/model/TileSet.kt

@@ -1,6 +1,7 @@
 package com.bartlomiejpluta.base.editor.tileset.model
 
 import com.bartlomiejpluta.base.editor.map.model.brush.Brush
+import javafx.beans.property.ReadOnlyStringWrapper
 import javafx.beans.property.SimpleIntegerProperty
 import javafx.beans.property.SimpleObjectProperty
 import javafx.beans.property.SimpleStringProperty
@@ -12,7 +13,10 @@ import tornadofx.toObservable
 import java.nio.ByteBuffer
 
 
-class TileSet(name: String, image: Image, rows: Int, columns: Int) {
+class TileSet(uid: String, name: String, image: Image, rows: Int, columns: Int) {
+   val uidProperty = ReadOnlyStringWrapper(uid)
+   val uid by uidProperty
+
    val nameProperty = SimpleStringProperty(name)
    val name by nameProperty
 

proto/src/main/proto/map.proto

@@ -7,7 +7,8 @@ message GameMap {
   required string uid = 1;
   required uint32 rows = 2;
   required uint32 columns = 3;
-  repeated Layer layers = 4;
+  required string tileSetUID = 4;
+  repeated Layer layers = 5;
 }
 
 message Layer {