Refactor gamestatedeckviewer and add a grid view suited...

for bigger screens.

projects/mtg/include/CarouselDeckView.h

@@ -0,0 +1,46 @@
+#ifndef _CAROUSEL_DECK_VIEW_H_
+#define _CAROUSEL_DECK_VIEW_H_
+
+#include "DeckView.h"
+
+class CarouselDeckView : public DeckView
+{
+private:
+    enum AnimationStage{
+        NONE = 0,
+        SLIDE_UP,
+        SLIDE_DOWN,
+        SCROLL_TO_SELECTED
+    };
+
+    static const float scroll_speed;
+
+public:
+    CarouselDeckView();
+    virtual ~CarouselDeckView();
+    void Reset();
+
+    void UpdateViewState(float dt);
+    void UpdateCardPosition(CardRep &rep, int index);
+    void renderCard(int index)
+    {
+        int alpha = (int) (255 * (getCardRep(index).scale + 1.0 - max_scale));
+        DeckView::renderCard(index, alpha);
+    }
+
+    void Render();
+
+    MTGCard * Click(int x, int y);
+    bool Button(Buttons button);
+
+    MTGCard *getActiveCard();
+
+    //maintains the current rotation for fluid animations
+private:
+    float mRotation;   //[-1,1]. defines the current rotation of the cards
+    float mSlide;      //[-1,1]. defines, the y-offset of the cards
+    int mScrollTarget; //0 <= mScrollTarget < mCards.size(). defines where to scroll to if the current animation is a scroll animation
+    AnimationStage mStage; // state machine state. for animation purposes
+};
+
+#endif //_CAROUSEL_DECK_VIEW_H_