Introduced animated sprites

Also restyled a lot of the code.

1 files changed, 100 insertions, 0 deletions

@@ -0,0 +1,100 @@
+#ifndef ANIMATION_H_74EB0901
+#define ANIMATION_H_74EB0901
+
+#include "renderer.h"
+#include <string>
+#include <map>
+#include <stdexcept>
+
+class Animation {
+public:
+
+  Animation(
+    size_t firstFrame,
+    size_t numFrames,
+    size_t delay) :
+      firstFrame_(firstFrame),
+      numFrames_(numFrames),
+      delay_(delay)
+  {
+  }
+
+  inline size_t getFirstFrame() const
+  {
+    return firstFrame_;
+  }
+
+  inline size_t getNumFrames() const
+  {
+    return numFrames_;
+  }
+
+  inline size_t getDelay() const
+  {
+    return delay_;
+  }
+
+private:
+
+  size_t firstFrame_;
+  size_t numFrames_;
+  size_t delay_;
+};
+
+class AnimationSet {
+public:
+
+  AnimationSet(
+    Texture texture,
+    int frameWidth,
+    int frameHeight,
+    int framesAcross);
+
+  void emplaceAnimation(
+    std::string animation,
+    size_t firstFrame,
+    size_t numFrames,
+    size_t delay);
+
+  inline const Animation& getAnimation(std::string animation) const
+  {
+    if (!animations_.count(animation))
+    {
+      throw std::invalid_argument("Animation does not exist");
+    }
+
+    return animations_.at(animation);
+  }
+
+  inline const Texture& getTexture() const
+  {
+    return texture_;
+  }
+
+  inline int getFrameWidth() const
+  {
+    return frameWidth_;
+  }
+
+  inline int getFrameHeight() const
+  {
+    return frameHeight_;
+  }
+
+  inline int getFramesAcross() const
+  {
+    return framesAcross_;
+  }
+
+  Rectangle getFrameRect(int frame) const;
+
+private:
+
+  std::map<std::string, Animation> animations_;
+  Texture texture_;
+  int frameWidth_;
+  int frameHeight_;
+  int framesAcross_;
+};
+
+#endif /* end of include guard: ANIMATION_H_74EB0901 */