From a9956f8cfd4eba8c8aee8df91c0a33d82740885e Mon Sep 17 00:00:00 2001
From: Anthony Calosa <anthonycalosa@gmail.com>
Date: Fri, 11 Feb 2022 08:48:29 +0800
Subject: [PATCH] animated startup

---
 .../src/forge/screens/SplashScreen.java       | 83 ++++++++++++++++---
 1 file changed, 73 insertions(+), 10 deletions(-)

diff --git a/forge-gui-mobile/src/forge/screens/SplashScreen.java b/forge-gui-mobile/src/forge/screens/SplashScreen.java
index 096dedb2bd7..0dae1a034e5 100644
--- a/forge-gui-mobile/src/forge/screens/SplashScreen.java
+++ b/forge-gui-mobile/src/forge/screens/SplashScreen.java
@@ -1,11 +1,13 @@
 package forge.screens;
 
+import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.g2d.TextureRegion;
 import com.badlogic.gdx.utils.Align;
 
 import forge.Forge;
 import forge.Graphics;
+import forge.animation.ForgeAnimation;
 import forge.assets.FSkin;
 import forge.assets.FSkinColor;
 import forge.assets.FSkinFont;
@@ -20,12 +22,14 @@ public class SplashScreen extends FContainer {
     private TextureRegion background;
     private final FProgressBar progressBar;
     private FSkinFont disclaimerFont;
-    private boolean preparedForDialogs, showModeSelector, init;
+    private boolean preparedForDialogs, showModeSelector, init, nobg;
     private FButton btnAdventure, btnHome;
+    private BGAnimation bgAnimation;
 
     public SplashScreen() {
         progressBar = new FProgressBar();
         progressBar.setDescription("Welcome to Forge");
+        bgAnimation = new BGAnimation();
     }
 
     public FProgressBar getProgressBar() {
@@ -72,13 +76,59 @@ public class SplashScreen extends FContainer {
         showModeSelector = value;
     }
 
+    private class BGAnimation extends ForgeAnimation {
+        private static final float DURATION = 0.8f;
+        private float progress = 0;
+        private boolean finished, openAdventure;
+
+        public void drawBackground(Graphics g) {
+            float percentage = progress / DURATION;
+            if (percentage < 0) {
+                percentage = 0;
+            } else if (percentage > 1) {
+                percentage = 1;
+            }
+            if (nobg) {
+                float scale = 1.3f+(percentage*0.7f);
+                float hscale = 1.5f+(percentage*0.9f);
+                float logoHeight = FSkin.hdLogo.getHeight()*scale;
+                float logoWidth = FSkin.hdLogo.getWidth()*scale;
+                float logoY = getHeight()/2 - logoHeight/hscale;
+                float logoX = getWidth()/2 - logoWidth/2;
+                float mod = getHeight()/2 - logoHeight/2;
+                float oldalpha = g.getfloatAlphaComposite();
+                g.setAlphaComposite(oldalpha-percentage);
+                g.drawImage(FSkin.hdLogo, logoX, logoY+(mod*percentage), logoWidth, logoHeight);
+                g.setAlphaComposite(oldalpha);
+            } else if (showModeSelector)
+                showSelector(g);
+            else
+                showSplash(g);
+        }
+
+        @Override
+        protected boolean advance(float dt) {
+            progress += dt;
+            return progress < DURATION;
+        }
+
+        @Override
+        protected void onEnd(boolean endingAll) {
+            if (nobg) {
+                if (openAdventure)
+                    Forge.openAdventure();
+                else
+                    Forge.openHomeDefault();
+            }
+        }
+    }
+
     @Override
     protected void drawBackground(Graphics g) {
-        if (showModeSelector)
-            showSelector(g);
-        else
-            showSplash(g);
+        bgAnimation.start();
+        bgAnimation.drawBackground(g);
     }
+
     private void showSelector(Graphics g) {
         g.drawImage(FSkinTexture.BG_TEXTURE, 0, 0, getWidth(), getHeight());
 
@@ -97,14 +147,11 @@ public class SplashScreen extends FContainer {
             w = getHeight() / backgroundRatio;
             x = (getWidth() - w) / 2;
         }
-        float oldalpha = g.getfloatAlphaComposite();
-        g.setAlphaComposite(0.5f);
         if (FSkin.hdLogo != null) {
             g.drawImage(FSkin.hdLogo, getWidth()/2 - (FSkin.hdLogo.getWidth()*1.3f)/2, getHeight()/2 - (FSkin.hdLogo.getHeight()*1.3f)/1.5f, FSkin.hdLogo.getWidth()*1.3f, FSkin.hdLogo.getHeight()*1.3f);
         } else {
             g.drawImage(background, x, y, w, h);
         }
-        g.setAlphaComposite(oldalpha);
         y += h * 295f / 450f;
         float padding = 20f / 450f * w;
         float height = 57f / 450f * h;
@@ -115,13 +162,29 @@ public class SplashScreen extends FContainer {
             btnAdventure.setCommand(new FEvent.FEventHandler() {
                 @Override
                 public void handleEvent(FEvent e) {
-                    Forge.openAdventure();
+                    if (FSkin.hdLogo == null)
+                        Forge.openAdventure();
+                    else {
+                        btnAdventure.setVisible(false);
+                        btnHome.setVisible(false);
+                        nobg = true;
+                        bgAnimation.progress = 0;
+                        bgAnimation.openAdventure = true;
+                    }
                 }
             });
             btnHome.setCommand(new FEvent.FEventHandler() {
                 @Override
                 public void handleEvent(FEvent e) {
-                    Forge.openHomeDefault();
+                    if (FSkin.hdLogo == null)
+                        Forge.openHomeDefault();
+                    else {
+                        btnAdventure.setVisible(false);
+                        btnHome.setVisible(false);
+                        nobg = true;
+                        bgAnimation.progress = 0;
+                        bgAnimation.openAdventure = false;
+                    }
                 }
             });
             float btn_w = (w - 2 * padding);