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/*!
@file
@author Albert Semenov
@date 08/2008
*/
#ifndef FADE_CONTROLLER_H_
#define FADE_CONTROLLER_H_
#include "IAnimationNode.h"
#include "IAnimationGraph.h"
#include "ConnectionReceiver.h"
namespace animation
{
class FadeController : public IAnimationNode
{
public:
FadeController() :
IAnimationNode(),
mIsAnimationRun(false),
mWeight(0)
{
}
FadeController(std::string_view _name, IAnimationGraph* _graph) :
IAnimationNode(_name, _graph),
mIsAnimationRun(false),
mWeight(0)
{
}
void setEvent(std::string_view _name, float _value = 0) override
{
if (_name == "Start")
{
mIsAnimationRun = true;
if (mWeight == 0)
mConnection.forceEvent("Start");
}
else if (_name == "Stop")
mIsAnimationRun = false;
}
void addConnection(std::string_view _eventout, IAnimationNode* _node, std::string_view _eventin) override
{
mConnection.addConnection(_eventout, _node, _eventin);
}
void removeConnection(std::string_view _eventout, IAnimationNode* _node, std::string_view _eventin) override
{
mConnection.removeConnection(_eventout, _node, _eventin);
}
void addTime(float _value) override
{
const float fade_time = 0.3f;
if (mIsAnimationRun)
{
if (mWeight != 1)
{
mWeight += _value * (1 / fade_time);
if (mWeight > 1)
mWeight = 1;
mConnection.forceEvent("Weight", mWeight);
}
}
else
{
if (mWeight != 0)
{
mWeight -= _value * (1 / fade_time);
if (mWeight < 0)
mWeight = 0;
mConnection.forceEvent("Weight", mWeight);
if (mWeight == 0)
mConnection.forceEvent("Stop");
}
}
}
private:
ConnectionReceiver mConnection;
bool mIsAnimationRun;
float mWeight;
};
} // namespace animation
#endif // FADE_CONTROLLER_H_
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