submodule/include/animation/state_instance.hpp

   1 #ifndef _RIVE_STATE_INSTANCE_HPP_
   2 #define _RIVE_STATE_INSTANCE_HPP_
   3
   4 #include <string>
   5 #include <stddef.h>
   6
   7 namespace rive
   8 {
   9         class LayerState;
  10         class SMIInput;
  11         class Artboard;
  12
  13         /// Represents an instance of a state tracked by the State Machine.
  14         class StateInstance
  15         {
  16         private:
  17                 const LayerState* m_LayerState;
  18
  19         public:
  20                 StateInstance(const LayerState* layerState);
  21                 virtual ~StateInstance();
  22                 virtual void advance(float seconds, SMIInput** inputs) = 0;
  23                 virtual void apply(Artboard* artboard, float mix) = 0;
  24
  25                 /// Returns true when the State Machine needs to keep advancing this
  26                 /// state.
  27                 virtual bool keepGoing() const = 0;
  28
  29                 const LayerState* state() const;
  30         };
  31 } // namespace rive
  32 #endif