From 1c2a216055a107c1ce8d9d6845be80df0e0764f4 Mon Sep 17 00:00:00 2001
From: Ekaitz Zarraga <ekaitz@elenq.tech>
Date: Sun, 13 Nov 2022 20:39:55 +0100
Subject: Add flipped animations ftw

---
 src/graphics/animation.h | 25 +++++++++++++++++++++++--
 src/main.cpp             |  4 ++--
 2 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/src/graphics/animation.h b/src/graphics/animation.h
index 010a64a..583da8a 100644
--- a/src/graphics/animation.h
+++ b/src/graphics/animation.h
@@ -24,12 +24,19 @@ namespace Graphics{
             virtual sf::IntRect& next(int deltaTime);
             virtual void reset();
             virtual bool finished();
+            static sf::Sprite& flip(sf::Sprite &sprite){
+                sf::IntRect frame = sprite.getTextureRect();
+                frame.left += frame.width;
+                frame.width *= -1;
+                sprite.setTextureRect(frame);
+                return sprite;
+            };
     };
 
     class OneShotAnimation : public Animation {
         public:
             using Animation::Animation;
-            sf::IntRect& next(int deltaTime) override;
+            virtual sf::IntRect& next(int deltaTime) override;
             bool finished() override;
     };
 
@@ -39,7 +46,21 @@ namespace Graphics{
         public:
             using Animation::Animation;
             ~BouncingAnimation();
-            sf::IntRect& next(int deltaTime) override;
+            virtual sf::IntRect& next(int deltaTime) override;
+    };
+
+    template <class T>
+    class FlippedAnimation : public T{
+        static_assert(std::is_base_of<Animation, T>::value,
+                "Base class of FlippedAnimation is not an Animation");
+        public:
+            using T::T;
+            sf::IntRect& next(int deltaTime) override{
+                T::next(deltaTime);
+                T::rect_.left = (T::i_ + 1) * T::w_;
+                T::rect_.width = -T::w_;
+                return T::rect_;
+        }
     };
 }
 #endif // GRAPHICS_ANIMATION_H
diff --git a/src/main.cpp b/src/main.cpp
index 1987af4..94bf125 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -23,7 +23,7 @@ class Unit: Entity{
         std::vector<int> animation_frame_count { 6, 8, 6, 1, 14 };
         gph::Animation walking_animation;
         gph::Animation standing_animation;
-        gph::OneShotAnimation shooting_animation;
+        gph::FlippedAnimation<gph::OneShotAnimation> shooting_animation;
         gph::OneShotAnimation complaining_animation;
         gph::OneShotAnimation dying_animation;
         gph::Animation* current_animation = &standing_animation;
@@ -38,7 +38,7 @@ class Unit: Entity{
             spritesheet_.loadFromFile("assets/img/Player/Player Angle 1 Sheet.png");
             standing_animation      = gph::Animation(spritesheet_,  6, 60, 44, 48, 0);
             walking_animation       = gph::Animation(spritesheet_,  8, 60, 44, 48, 1);
-            shooting_animation      = gph::OneShotAnimation(spritesheet_,  6, 60, 44, 48, 2);
+            shooting_animation      = gph::FlippedAnimation<gph::OneShotAnimation>(spritesheet_,  6, 60, 44, 48, 2);
             complaining_animation   = gph::OneShotAnimation(spritesheet_,  1, 60, 44, 48, 3);
             dying_animation         = gph::OneShotAnimation(spritesheet_, 14, 60, 44, 48, 4);
 
-- 
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