Support multiple banners

src/com/reco1l/osu/Banners.kt

@@ -0,0 +1,148 @@
+package com.reco1l.osu
+
+import android.content.Intent
+import android.content.Intent.ACTION_VIEW
+import android.net.Uri
+import android.util.Log
+import com.reco1l.andengine.sprite.ExtendedSprite
+import com.reco1l.framework.net.JsonArrayRequest
+import com.reco1l.framework.net.WebRequest
+import com.reco1l.toolkt.data.writeToFile
+import org.anddev.andengine.input.touch.TouchEvent
+import org.anddev.andengine.opengl.texture.region.TextureRegion
+import ru.nsu.ccfit.zuev.osu.Config
+import ru.nsu.ccfit.zuev.osu.GlobalManager
+import ru.nsu.ccfit.zuev.osu.ResourceManager
+import ru.nsu.ccfit.zuev.osu.online.OnlineManager
+import java.io.File
+
+object BannerLoader {
+
+    @JvmStatic
+    fun loadBannerSprite(): BannerSprite? {
+
+        val banners = mutableListOf<Banner>()
+
+        try {
+
+            val bannersFolder = File(Config.getCachePath(), "banners").apply {
+                delete()
+                mkdirs()
+            }
+
+            JsonArrayRequest(OnlineManager.endpoint + "game/banner.php").use { request ->
+                request.execute()
+
+                for (i in 0 until request.json.length()) {
+
+                    try {
+                        val banner = request.json.getJSONObject(i)
+
+                        val url = banner.getString("Url")
+                        val imageLink = banner.getString("ImageLink")
+
+                        WebRequest(imageLink).use { imageRequest ->
+
+                            val bannerFile = File(bannersFolder, "${i}.png")
+                            bannerFile.createNewFile()
+
+                            imageRequest.execute()
+                            imageRequest.responseBody.byteStream().writeToFile(bannerFile)
+
+                            ResourceManager.getInstance().loadHighQualityFile("banner@${i}", bannerFile)
+                        }
+
+                        banners.add(Banner(url, ResourceManager.getInstance().getTexture("banner@${i}")))
+
+                    } catch (e: Exception) {
+                        Log.e("BannerManager", "Failed to get banner at index ${i}.", e)
+                    }
+                }
+            }
+
+        } catch (e: Exception) {
+            Log.e("BannerManager", "Failed to get banners from server.", e)
+        }
+
+        if (banners.isEmpty()) {
+            return null
+        }
+
+        return BannerSprite(banners)
+    }
+
+}
+
+data class Banner(
+    val url: String,
+    val image: TextureRegion,
+)
+
+class BannerSprite(private val banners: List<Banner>) : ExtendedSprite() {
+
+
+    private var currentBannerIndex = 0
+
+    private var elapsedTimeSinceLastChange = 0f
+
+
+    init {
+        textureRegion = banners[currentBannerIndex].image
+        alpha = 0f
+        fadeIn(0.75f)
+    }
+
+
+    override fun onManagedUpdate(pSecondsElapsed: Float) {
+
+        if (elapsedTimeSinceLastChange > BANNER_DURATION) {
+            elapsedTimeSinceLastChange %= BANNER_DURATION
+
+            currentBannerIndex++
+            currentBannerIndex %= banners.size
+
+            val banner = banners[currentBannerIndex]
+
+            fadeOut(0.5f).then {
+                textureRegion = banner.image
+                fadeIn(0.5f)
+            }
+        }
+        elapsedTimeSinceLastChange += pSecondsElapsed
+
+        super.onManagedUpdate(pSecondsElapsed)
+    }
+
+    override fun onAreaTouched(event: TouchEvent, localX: Float, localY: Float): Boolean {
+
+        elapsedTimeSinceLastChange = 0f
+
+        if (event.isActionDown) {
+            clearEntityModifiers()
+            scaleTo(0.95f, 0.1f)
+        }
+
+        if (event.isActionUp || event.isActionCancel || event.isActionOutside) {
+            clearEntityModifiers()
+            scaleTo(1f, 0.1f)
+
+            val banner = banners[currentBannerIndex]
+
+            if (event.isActionUp && banner.url.isNotBlank()) {
+                val uri = Uri.parse(banner.url)
+                val intent = Intent(ACTION_VIEW, uri)
+                GlobalManager.getInstance().mainActivity.startActivity(intent)
+            }
+        }
+
+        return true
+    }
+
+
+    companion object {
+
+        private const val BANNER_DURATION = 10f // Seconds
+
+    }
+
+}

src/ru/nsu/ccfit/zuev/osu/MainActivity.java

@@ -328,13 +328,12 @@ public void onLoadComplete() {
 
                 if (roomInviteLink != null) {
                     LobbyScene.INSTANCE.connectFromLink(roomInviteLink);
-                    return;
-                }
-
-                if (willReplay) {
+                } else if (willReplay) {
                     GlobalManager.getInstance().getMainScene().watchReplay(beatmapToAdd);
                     willReplay = false;
                 }
+
+                GlobalManager.getInstance().getMainScene().loadBannerSprite();
             });
         });
     }

src/ru/nsu/ccfit/zuev/osu/MainScene.java

@@ -11,6 +11,7 @@
 import com.reco1l.andengine.shape.RoundedBox;
 import com.reco1l.andengine.sprite.ExtendedSprite;
 import com.reco1l.osu.BannerLoader;
+import com.reco1l.osu.BannerSprite;
 import com.reco1l.osu.data.BeatmapInfo;
 import com.reco1l.osu.Execution;
 import com.reco1l.osu.ui.entity.MainMenu;
@@ -457,10 +458,6 @@ public boolean onAreaTouched(TouchEvent pSceneTouchEvent, float pTouchAreaLocalX
         scene.registerTouchArea(music_next);
         scene.setTouchAreaBindingEnabled(true);
 
-        if (Config.isStayOnline()) {
-            BannerLoader.loadBanner(scene);
-        }
-
         if (BuildConfig.DEBUG) {
             ResourceManager.getInstance().loadHighQualityAsset("dev-build-overlay", "dev-build-overlay.png");
 
@@ -491,6 +488,21 @@ public boolean onAreaTouched(TouchEvent pSceneTouchEvent, float pTouchAreaLocalX
         hitsound = ResourceManager.getInstance().loadSound("menuhit", "sfx/menuhit.ogg", false);
     }
 
+    public void loadBannerSprite() {
+
+        if (!Config.isStayOnline()) {
+            return;
+        }
+
+        BannerSprite sprite = BannerLoader.loadBannerSprite();
+        if (sprite != null) {
+            sprite.setPosition(Config.getRES_WIDTH() - 10f, Config.getRES_HEIGHT() - 10f);
+            sprite.setOrigin(Anchor.BottomRight);
+            scene.attachChild(sprite);
+            scene.registerTouchArea(sprite);
+        }
+    }
+
     private void createOnlinePanel(Scene scene) {
         Config.loadOnlineConfig(context);
         OnlineManager.getInstance().init();