broadened animation runner interface

[l2e.git] / src / graphics / Animation.h

diff --git a/src/graphics/Animation.h b/src/graphics/Animation.h
index 524912d5743029a1b2ca8cabbc586949267df373..ecf71e84f686c82763b6473d817857b8bd19f4a7 100644 (file)
--- a/src/graphics/Animation.h
+++ b/src/graphics/Animation.h
@@ -24,23 +24,62 @@ class Animation {
 
 public:
        Animation()
-       : sprite(0), frameTime(0), colOffset(0), rowOffset(0), repeat(false) { }
+       : sprite(0), frameTime(0), repeat(false) { }
        Animation(const Sprite *sprite, int frameTime, bool repeat = false)
-       : sprite(sprite), frameTime(frameTime), colOffset(0), rowOffset(0), repeat(repeat) { }
+       : sprite(sprite), frameTime(frameTime), repeat(repeat) { }
        virtual ~Animation() { };
 
 public:
+
+       const Sprite *GetSprite() const { return sprite; }
+       void ChangeSprite(const Sprite *s) { sprite = s; }
+       int FrameTime() const { return frameTime; }
+       bool Repeat() const { return repeat; }
+
+public:
+       virtual int NumFrames() const = 0;
+       virtual int Col(int frame) const = 0;
+       virtual int Row(int frame) const = 0;
+       virtual geometry::Vector<int> Offset(int frame) const { return geometry::Vector<int>(); }
+
+private:
+       const Sprite *sprite;
+       int frameTime;
+       bool repeat;
+
+};
+
+
+class AnimationRunner {
+
+public:
+       explicit AnimationRunner(const Animation *a = 0, int colOffset = 0, int rowOffset = 0)
+       : animation(a), colOffset(colOffset), rowOffset(rowOffset) { }
+
+public:
+       bool Valid() const { return animation; }
+       void Clear() { animation = 0; timer = app::Timer<int>(); }
+
        void Start(app::State &ctrl) {
-               timer = ctrl.GraphicsTimers().StartInterval(frameTime);
+               timer = ctrl.GraphicsTimers().StartInterval(animation->FrameTime());
        }
        void Start(app::Application &ctrl) {
-               timer = ctrl.GlobalTimers().StartInterval(frameTime);
+               timer = ctrl.GlobalTimers().StartInterval(animation->FrameTime());
        }
        void Stop() {
                timer = app::Timer<Uint32>();
        }
+       bool Started() const {
+               return timer.Started();
+       }
        bool Running() const {
-               return timer.Running() && (repeat || timer.Iteration() < NumFrames());
+               return timer.Running() && (animation->Repeat() || timer.Iteration() < animation->NumFrames());
+       }
+       bool Finished() const {
+               return Started() && !Running();
+       }
+       bool JustFinished() const {
+               return timer.JustHit() && timer.Iteration() == animation->NumFrames();
        }
 
        const app::Timer<Uint32> &GetTimer() { return timer; }
@@ -50,39 +89,29 @@ public:
        void SetRowOffset(int offset) { rowOffset = offset; }
        int RowOffset() const { return rowOffset; }
 
-       const Sprite *GetSprite() const { return sprite; }
-       void ChangeSprite(const Sprite *s) { sprite = s; }
-
-       virtual void Draw(SDL_Surface *dest, geometry::Point<int> position) const {
-               sprite->Draw(dest, position, Col() + ColOffset(), Row() + RowOffset());
+       void Draw(SDL_Surface *dest, geometry::Point<int> position) const {
+               animation->GetSprite()->Draw(dest, position + animation->Offset(Frame()), animation->Col(Frame()) + ColOffset(), animation->Row(Frame()) + RowOffset());
        }
        void DrawTopRight(SDL_Surface *dest, geometry::Point<int> position) const {
-               geometry::Vector<int> offset(-sprite->Width(), 0);
+               geometry::Vector<int> offset(-animation->GetSprite()->Width(), 0);
                Draw(dest, position + offset);
        }
        void DrawCenter(SDL_Surface *dest, geometry::Point<int> position) const {
-               geometry::Vector<int> offset(-sprite->Width() / 2, -sprite->Height() / 2);
+               geometry::Vector<int> offset(-animation->GetSprite()->Width() / 2, -animation->GetSprite()->Height() / 2);
                Draw(dest, position + offset);
        }
        void DrawCenterBottom(SDL_Surface *dest, geometry::Point<int> position) const {
-               geometry::Vector<int> offset(-sprite->Width() / 2, -sprite->Height());
+               geometry::Vector<int> offset(-animation->GetSprite()->Width() / 2, -animation->GetSprite()->Height());
                Draw(dest, position + offset);
        }
 
-       int Frame() const { return Running() ? (timer.Iteration() % NumFrames()) : 0; }
-
-protected:
-       virtual int Col() const = 0;
-       virtual int Row() const = 0;
-       virtual int NumFrames() const = 0;
+       int Frame() const { return Running() ? (timer.Iteration() % animation->NumFrames()) : 0; }
 
 private:
-       const Sprite *sprite;
+       const Animation *animation;
        app::Timer<Uint32> timer;
-       int frameTime;
        int colOffset;
        int rowOffset;
-       bool repeat;
 
 };