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/*
GWEN
Copyright (c) 2010 Facepunch Studios
See license in Gwen.h
*/
#include "Gwen/Anim.h"
#include "Gwen/Utility.h"
#include <math.h>
using namespace Gwen;
#ifndef GWEN_NO_ANIMATION
static Gwen::Anim::Animation::List g_Animations;
static Gwen::Anim::Animation::ChildList g_AnimationsListed;
void Gwen::Anim::Add(Gwen::Controls::Base* control, Animation* animation)
{
animation->m_Control = control;
g_Animations[control].push_back(animation);
}
void Gwen::Anim::Cancel(Gwen::Controls::Base* control)
{
/* cannot use std::list iterator with algoryhtmns based on pointers
struct AnimDeletePredicate
{
AnimDeletePredicate( Gwen::Controls::Base* control )
{
this->control = control;
}
bool operator() ( Gwen::Anim::Animation* anim )
{
return anim->m_Control == control;
}
Gwen::Controls::Base* control;
};
std::remove_if ( g_Animations.begin(), g_Animations.end(), AnimDeletePredicate( control ) );
*/
Gwen::Anim::Animation::List::iterator iAnimations;
if ((iAnimations = g_Animations.find(control)) != g_Animations.end())
{
Gwen::Anim::Animation::ChildList& ChildAnimationsForControl = iAnimations->second;
Gwen::Anim::Animation::ChildList::iterator iAnimationChild = ChildAnimationsForControl.begin();
if (iAnimationChild != ChildAnimationsForControl.end())
{
do
{
delete (*iAnimationChild);
} while (++iAnimationChild != ChildAnimationsForControl.end());
}
g_Animations.erase(iAnimations);
}
}
void Gwen::Anim::Think()
{
Gwen::Anim::Animation::List::iterator it = g_Animations.begin();
if (it != g_Animations.end())
{
Gwen::Anim::Animation::ChildList::iterator itChild;
Gwen::Anim::Animation* anim;
do
{
if ((itChild = it->second.begin()) != it->second.end())
{
do
{
anim = *itChild;
anim->Think();
if (anim->Finished())
{
itChild = it->second.erase(itChild);
delete anim;
}
else
{
++itChild;
}
} while (itChild != it->second.end());
}
} while (++it != g_Animations.end());
}
}
Gwen::Anim::TimedAnimation::TimedAnimation(float fLength, float fDelay, float fEase)
{
m_fStart = Platform::GetTimeInSeconds() + fDelay;
m_fEnd = m_fStart + fLength;
m_fEase = fEase;
m_bStarted = false;
m_bFinished = false;
}
void Gwen::Anim::TimedAnimation::Think()
{
if (m_bFinished) return;
float fCurrent = Platform::GetTimeInSeconds();
float fSecondsIn = fCurrent - m_fStart;
if (fSecondsIn < 0.0f) return;
if (!m_bStarted)
{
m_bStarted = true;
OnStart();
}
float fDelta = fSecondsIn / (m_fEnd - m_fStart);
if (fDelta < 0.0f) fDelta = 0.0f;
if (fDelta > 1.0f) fDelta = 1.0f;
Run(pow(fDelta, m_fEase));
if (fDelta == 1.0f)
{
m_bFinished = true;
OnFinish();
}
}
bool Gwen::Anim::TimedAnimation::Finished()
{
return m_bFinished;
}
#endif
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