Create MapHandler API scaffolding

api/src/main/java/com/bartlomiejpluta/base/api/map/MapHandler.java

@@ -0,0 +1,7 @@
+package com.bartlomiejpluta.base.api.map;
+
+import com.bartlomiejpluta.base.api.context.Context;
+
+public interface MapHandler {
+   void init(Context context);
+}

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/main/controller/MainController.kt

@@ -56,6 +56,7 @@ class MainController : Controller() {
             val map = GameMap(tileSet).apply {
                rows = vm.rows
                columns = vm.columns
+               handler = vm.handler
             }
             projectContext.importMap(vm.name, map)
             openItems[scope] = map

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/map/model/map/GameMap.kt

@@ -2,13 +2,11 @@ package com.bartlomiejpluta.base.editor.map.model.map
 
 import com.bartlomiejpluta.base.editor.map.model.layer.Layer
 import com.bartlomiejpluta.base.editor.tileset.model.TileSet
-import javafx.beans.property.ReadOnlyStringWrapper
 import javafx.beans.property.SimpleDoubleProperty
 import javafx.beans.property.SimpleIntegerProperty
 import javafx.beans.property.SimpleStringProperty
 import javafx.collections.FXCollections
 import tornadofx.getValue
-import tornadofx.observableListOf
 import tornadofx.setValue
 
 
@@ -35,6 +33,9 @@ class GameMap(val tileSet: TileSet) {
    var height by heightProperty
       private set
 
+   val handlerProperty = SimpleStringProperty()
+   var handler by handlerProperty
+
    init {
       rowsProperty.addListener { _, _, newValue ->
          val newRows = newValue.toInt()

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/map/model/map/GameMapBuilder.kt

@@ -19,4 +19,7 @@ class GameMapBuilder {
 
    val columnsProperty = SimpleIntegerProperty(20)
    var columns by columnsProperty
+
+   val handlerProperty = SimpleStringProperty()
+   var handler by handlerProperty
 }

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

@@ -25,6 +25,7 @@ class ProtobufMapDeserializer : MapDeserializer {
       map.uid = proto.uid
       map.rows = proto.rows
       map.columns = proto.columns
+      map.handler = proto.handler
 
       proto.layersList.forEach {
          map.layers.add(deserializeLayer(map.rows, map.columns, tileSet, it))

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

@@ -17,6 +17,7 @@ class ProtobufMapSerializer : MapSerializer {
       protoMap.rows = item.rows
       protoMap.columns = item.columns
       protoMap.tileSetUID = item.tileSet.uid
+      protoMap.handler = item.handler
 
       item.layers.forEach { layer -> protoMap.addLayers(serializeLayer(layer)) }
 

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

@@ -1,6 +1,7 @@
 package com.bartlomiejpluta.base.editor.map.view.editor
 
 import com.bartlomiejpluta.base.editor.common.parameter.model.IntegerParameter
+import com.bartlomiejpluta.base.editor.common.parameter.model.JavaClassParameter
 import com.bartlomiejpluta.base.editor.common.parameter.view.ParametersTableFragment
 import com.bartlomiejpluta.base.editor.map.viewmodel.GameMapVM
 import tornadofx.View
@@ -12,6 +13,7 @@ class MapParameters : View() {
    private val parameters = observableListOf(
       IntegerParameter("rows", mapVM.rows, 1, 100).apply { bindBidirectional(mapVM.item.rowsProperty) },
       IntegerParameter("columns", mapVM.columns, 1, 100).apply { bindBidirectional(mapVM.item.columnsProperty) },
+      JavaClassParameter("handler", mapVM.handler).apply { bindBidirectional(mapVM.item.handlerProperty) }
    )
 
    override val root = find<ParametersTableFragment>(ParametersTableFragment::parameters to parameters).root

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

@@ -7,7 +7,12 @@ import tornadofx.*
 class MapCreationBasicDataView : View("Basic Data") {
    private val mapBuilderVM = find<GameMapBuilderVM>()
 
-   override val complete = mapBuilderVM.valid(mapBuilderVM.nameProperty, mapBuilderVM.rowsProperty, mapBuilderVM.columnsProperty)
+   override val complete = mapBuilderVM.valid(
+      mapBuilderVM.nameProperty,
+      mapBuilderVM.rowsProperty,
+      mapBuilderVM.columnsProperty,
+      mapBuilderVM.handlerProperty
+   )
 
    override val root = form {
       fieldset("Map Settings") {
@@ -47,6 +52,13 @@ class MapCreationBasicDataView : View("Basic Data") {
                }
             }
          }
+
+         field("Map Handler class") {
+            textfield(mapBuilderVM.handlerProperty) {
+               required()
+               trimWhitespace()
+            }
+         }
       }
    }
 }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/map/viewmodel/GameMapBuilderVM.kt

@@ -17,4 +17,7 @@ class GameMapBuilderVM : ItemViewModel<GameMapBuilder>(GameMapBuilder()) {
 
    val columnsProperty = bind(GameMapBuilder::columnsProperty, autocommit = true)
    var columns by columnsProperty
+
+   val handlerProperty = bind(GameMapBuilder::handlerProperty, autocommit = true)
+   var handler by handlerProperty
 }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/map/viewmodel/GameMapVM.kt

@@ -30,6 +30,9 @@ class GameMapVM(map: GameMap) : ItemViewModel<GameMap>(map) {
 
    val heightProperty = bind(GameMap::heightProperty)
    val height by heightProperty
+
+   val handlerProperty = bind(GameMap::handlerProperty)
+   var handler by handlerProperty
 }
 
 

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

@@ -91,6 +91,7 @@ class DefaultProjectContext : ProjectContext {
             it.maps += asset
 
             save()
+            javaClassService.createClassFile(map.handler, it.codeFSNode, "map_handler.ftl")
             File(it.mapsDirectory, asset.source).outputStream().use { fos -> mapSerializer.serialize(map, fos) }
          }
       }

editor/src/main/resources/java_templates/map_handler.ftl

@@ -0,0 +1,12 @@
+package ${package};
+
+import com.bartlomiejpluta.base.api.map.MapHandler;
+import com.bartlomiejpluta.base.api.context.Context;
+
+public class ${className} implements MapHandler {
+
+   @Override
+   public void init(Context context) {
+      throw new RuntimeException("Not implemented yet");
+   }
+}

game/src/main/java/com/bartlomiejpluta/base/game/map/model/GameMap.java

@@ -47,13 +47,17 @@ public class GameMap implements Renderable, Updatable {
    @Getter
    private final Vector2f stepSize;
 
-   public GameMap(TileSet tileSet, int rows, int columns) {
+   @Getter
+   private final String handler;
+
+   public GameMap(TileSet tileSet, int rows, int columns, String handler) {
       this.tileSet = tileSet;
       this.rows = rows;
       this.columns = columns;
       this.stepSize = new Vector2f(tileSet.getTileSet().getSpriteSize());
       this.width = columns * stepSize.x;
       this.height = rows * stepSize.y;
+      this.handler = handler;
    }
 
    @Override

game/src/main/java/com/bartlomiejpluta/base/game/map/serial/ProtobufMapDeserializer.java

@@ -27,7 +27,7 @@ public class ProtobufMapDeserializer extends MapDeserializer {
    protected GameMap parse(InputStream input) throws Exception {
       var proto = GameMapProto.GameMap.parseFrom(input);
       var tileSet = tileSetManager.loadTileSet(proto.getTileSetUID());
-      var map = new GameMap(tileSet, proto.getRows(), proto.getColumns());
+      var map = new GameMap(tileSet, proto.getRows(), proto.getColumns(), proto.getHandler());
 
       proto.getLayersList().forEach(layer -> deserializeLayer(map, layer));
 

game/src/main/java/com/bartlomiejpluta/base/game/project/model/RenderableContext.java

@@ -1,6 +1,7 @@
 package com.bartlomiejpluta.base.game.project.model;
 
 import com.bartlomiejpluta.base.api.context.Context;
+import com.bartlomiejpluta.base.api.map.MapHandler;
 import com.bartlomiejpluta.base.core.gl.object.texture.TextureManager;
 import com.bartlomiejpluta.base.core.gl.render.Renderable;
 import com.bartlomiejpluta.base.core.gl.shader.manager.ShaderManager;
@@ -11,9 +12,11 @@ import com.bartlomiejpluta.base.core.world.camera.Camera;
 import com.bartlomiejpluta.base.game.image.manager.ImageManager;
 import com.bartlomiejpluta.base.game.map.manager.MapManager;
 import com.bartlomiejpluta.base.game.map.model.GameMap;
+import com.bartlomiejpluta.base.game.project.loader.ClassLoader;
 import com.bartlomiejpluta.base.game.tileset.manager.TileSetManager;
 import com.bartlomiejpluta.base.game.world.entity.manager.EntityManager;
 import lombok.RequiredArgsConstructor;
+import lombok.SneakyThrows;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -26,12 +29,19 @@ public class RenderableContext implements Context, Updatable, Renderable {
    private final EntityManager entityManager;
    private final ImageManager imageManager;
    private final MapManager mapManager;
+   private final ClassLoader classLoader;
 
    private GameMap map;
 
+   @SneakyThrows
    @Override
    public void openMap(String mapUid) {
       map = mapManager.loadMap(mapUid);
+
+      var handlerClass = classLoader.<MapHandler>loadClass(map.getHandler());
+      var handler = handlerClass.getConstructor().newInstance();
+
+      handler.init(this);
    }
 
    @Override

proto/src/main/proto/map.proto

@@ -9,6 +9,7 @@ message GameMap {
   required uint32 columns = 3;
   required string tileSetUID = 4;
   repeated Layer layers = 5;
+  required string handler = 6;
 }
 
 message Layer {