V0.2.0: Added a welcome/update screen

src/com/shatteredpixel/shatteredpixeldungeon/Preferences.java

@@ -34,6 +34,7 @@ enum Preferences {
 	public static final String KEY_DONATED		= "donated";
 	public static final String KEY_INTRO		= "intro";
 	public static final String KEY_BRIGHTNESS	= "brightness";
+    public static final String KEY_VERSION      = "version";
 	
 	private SharedPreferences prefs;
 	

src/com/shatteredpixel/shatteredpixeldungeon/ShatteredPixelDungeon.java

@@ -32,7 +32,7 @@ public class ShatteredPixelDungeon extends Game {
 	
 	public ShatteredPixelDungeon() {
 		super( TitleScene.class );
-		
+		/*
 		com.watabou.utils.Bundle.addAlias( 
 			com.shatteredpixel.shatteredpixeldungeon.items.scrolls.ScrollOfUpgrade.class,
 			"com.shatteredpixel.shatteredpixeldungeon.items.scrolls.ScrollOfEnhancement" );
@@ -82,13 +82,13 @@ public class ShatteredPixelDungeon extends Game {
 			"com.shatteredpixel.shatteredpixeldungeon.items.weapon.missiles.RangersBoomerang" );
 		com.watabou.utils.Bundle.addAlias( 
 			com.shatteredpixel.shatteredpixeldungeon.items.rings.RingOfPower.class,
-			"com.shatteredpixel.shatteredpixeldungeon.items.rings.RingOfEnergy" );
+			"com.shatteredpixel.shatteredpixeldungeon.items.rings.RingOfEnergy" );*/
 	}
 	
 	@SuppressWarnings("deprecation")
 	@Override
 	protected void onCreate( Bundle savedInstanceState ) {
-		super.onCreate( savedInstanceState );
+		super.onCreate(savedInstanceState);
 		
 	/*	if (android.os.Build.VERSION.SDK_INT >= 19) {
 			getWindow().getDecorView().setSystemUiVisibility( 
@@ -196,6 +196,14 @@ public class ShatteredPixelDungeon extends Game {
 		return Preferences.INSTANCE.getBoolean( Preferences.KEY_INTRO, true );
 	}
 
+    public static void version( int value)  {
+        Preferences.INSTANCE.put( Preferences.KEY_VERSION, value );
+    }
+
+    public static int version() {
+        return Preferences.INSTANCE.getInt( Preferences.KEY_VERSION, 0 );
+    }
+	
 	/*
 	 * <--- Preferences
 	 */

src/com/shatteredpixel/shatteredpixeldungeon/scenes/TitleScene.java

@@ -17,6 +17,7 @@
  */
 package com.shatteredpixel.shatteredpixeldungeon.scenes;
 
+import com.shatteredpixel.shatteredpixeldungeon.ShatteredPixelDungeon;
 import com.watabou.noosa.BitmapText;
 import com.watabou.noosa.Camera;
 import com.watabou.noosa.Game;
@@ -42,6 +43,14 @@ public class TitleScene extends PixelScene {
 		
 		super.create();
 
+        //ShatteredPixelDungeon.version(5);
+
+        int gameversion = ShatteredPixelDungeon.version();
+
+        if (gameversion != Game.versionCode) {
+            Game.switchScene(WelcomeScene.class);
+        }
+		
 		Music.INSTANCE.play( Assets.THEME, true );
 		Music.INSTANCE.volume( 1f );
 		

src/com/shatteredpixel/shatteredpixeldungeon/scenes/WelcomeScene.java

@@ -0,0 +1,142 @@
+//TODO: update this class with relevant info as new versions come out.
+package com.shatteredpixel.shatteredpixeldungeon.scenes;
+
+import android.content.Intent;
+import android.net.Uri;
+
+import com.shatteredpixel.shatteredpixeldungeon.GamesInProgress;
+import com.shatteredpixel.shatteredpixeldungeon.ShatteredPixelDungeon;
+import com.shatteredpixel.shatteredpixeldungeon.actors.hero.HeroClass;
+import com.shatteredpixel.shatteredpixeldungeon.ui.RedButton;
+import com.watabou.input.Touchscreen.Touch;
+import com.watabou.noosa.BitmapTextMultiline;
+import com.watabou.noosa.Camera;
+import com.watabou.noosa.Game;
+import com.watabou.noosa.Image;
+import com.watabou.noosa.TouchArea;
+import com.shatteredpixel.shatteredpixeldungeon.effects.Flare;
+import com.shatteredpixel.shatteredpixeldungeon.ui.Archs;
+import com.shatteredpixel.shatteredpixeldungeon.ui.Icons;
+import com.shatteredpixel.shatteredpixeldungeon.ui.Window;
+
+public class WelcomeScene extends PixelScene {
+
+    private static final String TTL_Welcome = "Welcome!";
+
+    private static final String TTL_LastVer = "Updated To v0.2.0";
+
+    private static final String TTL_Future = "Wait What?";
+
+    private static final String TXT_Welcome =
+            "Shattered Pixel Dungeon is a rework/expansion of Watabou's Pixel Dungeon.\n\n"+
+            "The goal is to enhance the game by improving existing content and adding tonnes of new stuff!\n\n"+
+            "Shattered Pixel Dungeon is being constantly updated, so expect more new content soon!\n\n"+
+            "Happy Dungeoneering!";
+
+    private static final String TXT_LastVer =
+            "Hello early adopter, thank you so much for giving Shattered PD a try in its early stages!\n\n"+
+            "This update completely overhauls rings, and as such any existing saves will have their rings removed.\n\n"+
+            "If you have a game in progress with rings that you'd rather not lose, please revert to v0.1.1a.\n\n"+
+            "You can simply reinstall the 0.1.1a APK from the button on the right, your saves will not be affected.";
+
+    private static final String TXT_Future =
+            "It seems that your current saves are from a future version of Shatterd Pixel Dungeon.\n\n"+
+            "If haven't been reverting to previous versions, please send a bug report as this shouldn't happen.\n\n"+
+            "Regardless, tread with caution! Your saves may contain things which don't exist in this version, "+
+            "this could cause some very weird errors to occur.";
+
+
+    private static final String LNK = "goo.gl/CwrJd6";
+
+    @Override
+    public void create() {
+        super.create();
+
+        boolean fromAlpha = false;
+
+        int gameversion = ShatteredPixelDungeon.version();
+
+        BitmapTextMultiline text;
+        BitmapTextMultiline title;
+
+        if (gameversion == 0){
+
+            GamesInProgress.Info warrior = GamesInProgress.check( HeroClass.values()[0] );
+            GamesInProgress.Info mage = GamesInProgress.check( HeroClass.values()[1] );
+            GamesInProgress.Info rouge = GamesInProgress.check( HeroClass.values()[2] );
+            GamesInProgress.Info huntress = GamesInProgress.check( HeroClass.values()[3] );
+
+            if (warrior != null || mage != null || rouge != null || huntress != null){
+                text = createMultiline( TXT_LastVer, 8 );
+                title = createMultiline( TTL_LastVer, 12 );
+                fromAlpha = true;
+            } else {
+                text = createMultiline( TXT_Welcome, 8 );
+                title = createMultiline( TTL_Welcome, 16 );
+            }
+        } else if (gameversion <= Game.versionCode) {
+            text = createMultiline( TXT_LastVer, 8 );
+            title = createMultiline( TTL_LastVer, 12 );
+        } else {
+            text = createMultiline( TXT_Future, 8 );
+            title = createMultiline( TTL_Future, 16 );
+        }
+
+
+        text.maxWidth = Math.min( Camera.main.width, 120 );
+        text.measure();
+        add( text );
+
+        text.x = align( (Camera.main.width - text.width()) / 2 );
+        text.y = align( (Camera.main.height - text.height()) / 2 );
+
+
+
+        title.maxWidth = Math.min( Camera.main.width-50, 120 );
+        title.measure();
+        title.hardlight(Window.TITLE_COLOR);
+        add( title );
+
+        title.x = align( (Camera.main.width - title.width()) / 2 );
+        title.y = align( text.y - title.height() - 10 );
+
+        RedButton okay = new RedButton("Okay") {
+            @Override
+            protected void onClick() {
+                ShatteredPixelDungeon.version(Game.versionCode);
+                Game.switchScene(TitleScene.class);
+            }
+        };
+        if (fromAlpha) {
+            okay.setRect(text.x, text.y + text.height() + 5, 55, 18);
+            add(okay);
+
+            RedButton revert = new RedButton("Revert") {
+                @Override
+                protected void onClick() {
+                    Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://" + LNK));
+                    Game.instance.startActivity(intent);
+                }
+            };
+            revert.setRect(text.x + 65, text.y + text.height() + 5, 55, 18);
+            add(revert);
+        } else {
+            okay.setRect(text.x, text.y + text.height() + 5, 120, 18);
+            add(okay);
+        }
+
+        Archs archs = new Archs();
+        archs.setSize( Camera.main.width, Camera.main.height );
+        addToBack( archs );
+
+        fadeIn();
+    }
+
+    @Override
+    protected void onBackPressed() {
+        //ShatteredPixelDungeon.version(Game.versionCode);
+        //Game.switchScene( TitleScene.class );
+    }
+}
+
+