From 62ab06b1884a608431d641570d544d61c02734c9 Mon Sep 17 00:00:00 2001
From: drdev <drdev@cardforge.org>
Date: Thu, 25 Sep 2014 12:52:11 +0000
Subject: [PATCH] Support drawing prompt rotated 180 degrees

---
 forge-gui-mobile/src/forge/Graphics.java      | 28 +++++++++++++++++--
 .../src/forge/screens/match/MatchScreen.java  |  1 +
 .../src/forge/toolbox/FDisplayObject.java     |  8 ++++++
 3 files changed, 35 insertions(+), 2 deletions(-)

diff --git a/forge-gui-mobile/src/forge/Graphics.java b/forge-gui-mobile/src/forge/Graphics.java
index 82c32469f16..b5f74929e42 100644
--- a/forge-gui-mobile/src/forge/Graphics.java
+++ b/forge-gui-mobile/src/forge/Graphics.java
@@ -28,6 +28,7 @@ public class Graphics {
 
     private final SpriteBatch batch = new SpriteBatch();
     private final ShapeRenderer shapeRenderer = new ShapeRenderer();
+    private final Vector3 tmp = new Vector3();
     private float regionHeight;
     private Rectangle bounds;
     private Rectangle visibleBounds;
@@ -63,7 +64,15 @@ public class Graphics {
     }
     public boolean startClip(float x, float y, float w, float h) {
         batch.flush(); //must flush batch to prevent other things not rendering
-        if (!ScissorStack.pushScissors(new Rectangle(adjustX(x), adjustY(y, h), w, h))) {
+
+        Rectangle clip = new Rectangle(adjustX(x), adjustY(y, h), w, h);
+        if (isTransformed) { //transform position if needed
+            tmp.set(clip.x + clip.width / 2, clip.y + clip.height / 2, 0);
+            tmp.mul(batch.getTransformMatrix());
+            clip.x = tmp.x - clip.width / 2;
+            clip.y = tmp.y - clip.height / 2;
+        }
+        if (!ScissorStack.pushScissors(clip)) {
             failedClipCount++; //tracked failed clips to prevent calling popScissors on endClip
             return false;
         }
@@ -86,15 +95,30 @@ public class Graphics {
 
         final Rectangle parentBounds = bounds;
         bounds = new Rectangle(parentBounds.x + displayObj.getLeft(), parentBounds.y + displayObj.getTop(), displayObj.getWidth(), displayObj.getHeight());
-        displayObj.setScreenPosition(bounds.x, bounds.y);
+        if (isTransformed) { //transform screen position if needed
+            tmp.set(bounds.x + bounds.width / 2, regionHeight - bounds.y - bounds.height / 2, 0);
+            tmp.mul(batch.getTransformMatrix());
+            displayObj.setScreenPosition(tmp.x - bounds.width / 2, regionHeight - tmp.y - bounds.height / 2);
+        }
+        else {
+            displayObj.setScreenPosition(bounds.x, bounds.y);
+        }
 
         Rectangle intersection = Utils.getIntersection(bounds, visibleBounds);
         if (intersection != null) { //avoid drawing object if it's not within visible region
             final Rectangle backup = visibleBounds;
             visibleBounds = intersection;
 
+            if (displayObj.getRotate180()) {
+                setRotateTransform(displayObj.getWidth() / 2, displayObj.getHeight() / 2, 180);
+            }
+
             displayObj.draw(this);
 
+            if (displayObj.getRotate180()) {
+                clearTransform();
+            }
+
             visibleBounds = backup;
         }
 
diff --git a/forge-gui-mobile/src/forge/screens/match/MatchScreen.java b/forge-gui-mobile/src/forge/screens/match/MatchScreen.java
index 37d16783a7b..da34c8d7716 100644
--- a/forge-gui-mobile/src/forge/screens/match/MatchScreen.java
+++ b/forge-gui-mobile/src/forge/screens/match/MatchScreen.java
@@ -100,6 +100,7 @@ public class MatchScreen extends FScreen {
                             MatchUtil.getGameView().selectButtonCancel();
                         }
                     }));
+            topPlayerPrompt.setRotate180(true);
         }
         else {
             topPlayerPrompt = null;
diff --git a/forge-gui-mobile/src/forge/toolbox/FDisplayObject.java b/forge-gui-mobile/src/forge/toolbox/FDisplayObject.java
index 3488d1170e8..302aff024bb 100644
--- a/forge-gui-mobile/src/forge/toolbox/FDisplayObject.java
+++ b/forge-gui-mobile/src/forge/toolbox/FDisplayObject.java
@@ -12,6 +12,7 @@ public abstract class FDisplayObject {
 
     private boolean visible = true;
     private boolean enabled = true;
+    private boolean rotate180 = false;
     private final Rectangle bounds = new Rectangle();
     private final Vector2 screenPosition = new Vector2();
 
@@ -92,6 +93,13 @@ public abstract class FDisplayObject {
         visible = b0;
     }
 
+    public boolean getRotate180() {
+        return rotate180;
+    }
+    public void setRotate180(boolean b0) {
+        rotate180 = b0;
+    }
+
     //override to return true if drawOverlay should be called on container before drawing this object
     protected boolean drawAboveOverlay() {
         return false;