(#18): use ResourceManager for loading gameplay skin

frontend/core/src/com/game/tankwars/ResourceManager.java

@@ -2,15 +2,8 @@ package com.game.tankwars;
 
 import com.badlogic.gdx.assets.AssetDescriptor;
 import com.badlogic.gdx.assets.AssetManager;
-import com.badlogic.gdx.assets.loaders.FileHandleResolver;
-import com.badlogic.gdx.assets.loaders.resolvers.InternalFileHandleResolver;
-import com.badlogic.gdx.graphics.g2d.BitmapFont;
 import com.badlogic.gdx.graphics.g2d.TextureAtlas;
-import com.badlogic.gdx.graphics.g2d.freetype.FreeTypeFontGenerator;
-import com.badlogic.gdx.graphics.g2d.freetype.FreeTypeFontGeneratorLoader;
-import com.badlogic.gdx.graphics.g2d.freetype.FreetypeFontLoader;
 import com.badlogic.gdx.scenes.scene2d.ui.Skin;
-import com.badlogic.gdx.scenes.scene2d.utils.Drawable;
 import com.badlogic.gdx.utils.GdxRuntimeException;
 import com.github.acanthite.gdx.graphics.g2d.FreeTypeSkinLoader;
 
@@ -29,6 +22,8 @@ public class ResourceManager {
             new AssetDescriptor<>("menu-textures.atlas", TextureAtlas.class);
     private final AssetDescriptor<Skin> MENU_SKIN =
             new AssetDescriptor<>("menu-textures.json", Skin.class);
+    private final AssetDescriptor<Skin> GAMEPLAY_SKIN =
+            new AssetDescriptor<>("gameplay-skin.json", Skin.class);
 
     public ResourceManager() {
         manager = new AssetManager();
@@ -66,6 +61,21 @@ public class ResourceManager {
         return null;
     }
 
+    /**
+     * Loads the Skin for the gameplay,
+     * @return loaded Skin object with JSON file, null on loading error
+     */
+    public Skin loadAndGetGameplayHudAssets() {
+        if (!manager.isLoaded(GAMEPLAY_SKIN)) manager.load(GAMEPLAY_SKIN);
+        try {
+            manager.finishLoading();
+            return manager.get(GAMEPLAY_SKIN);
+        } catch(GdxRuntimeException error) {
+            System.out.println(error.getMessage());
+        }
+        return null;
+    }
+
     /**
      * Block until all currently loaded assets are finished loading
      */

frontend/core/src/com/game/tankwars/view/GameHud.java

@@ -13,6 +13,7 @@ import com.badlogic.gdx.scenes.scene2d.ui.Slider;
 import com.badlogic.gdx.scenes.scene2d.ui.Table;
 import com.badlogic.gdx.scenes.scene2d.ui.TextButton;
 import com.badlogic.gdx.utils.viewport.Viewport;
+import com.game.tankwars.ResourceManager;
 import com.ray3k.stripe.FreeTypeSkin;
 
 public class GameHud {
@@ -49,7 +50,7 @@ public class GameHud {
 
         stage.addActor(table);
 
-        skin = new FreeTypeSkin(Gdx.files.internal("gameplay-skin.json"));
+        skin = ResourceManager.getInstance().loadAndGetGameplayHudAssets();
 
         healthProgressBarPlayer = new ProgressBar(0, 100, 1, false, skin);
         healthProgressBarPlayer.setValue(100);
@@ -69,7 +70,7 @@ public class GameHud {
         fireButton = new TextButton("Fire!", skin);
         table.add(fireButton).expand().bottom().left().padLeft(10).padBottom(10);
 
-        powerLabel = new Label("Power", skin.get("roboto-black-white", Label.LabelStyle.class));
+        powerLabel = new Label("Power", skin.get("large-white", Label.LabelStyle.class));
         powerSlider = new Slider(0, 100, 1, false, skin);
 
         powerContainer = new HorizontalGroup().space(10);