Glenn Maynard
92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
/*
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-----------------------------------------------------------------------------
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File: Transition.cpp
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Desc: Abstract base class for all transitions.
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Copyright (c) 2001-2002 by the person(s) listed below. All rights reserved.
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-----------------------------------------------------------------------------
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*/
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#ifndef _Transition_H_
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#define _Transition_H_
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#include "Screen.h"
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#include "ScreenManager.h"
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#include "Actor.h"
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#include "RandomSample.h"
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const float DEFAULT_TRANSITION_TIME = 0.40f;
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class Transition : public Actor
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{
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public:
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Transition();
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virtual ~Transition();
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virtual void Update( float fDeltaTime );
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virtual void Draw()
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{
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if( m_TransitionState == opened )
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return; // don't draw!
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Actor::Draw();
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}
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virtual void SetOpened();
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virtual void SetClosed();
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virtual void OpenWipingRight( ScreenMessage send_when_done = SM_None );
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virtual void OpenWipingLeft( ScreenMessage send_when_done = SM_None );
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virtual void CloseWipingRight(ScreenMessage send_when_done = SM_None );
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virtual void CloseWipingLeft( ScreenMessage send_when_done = SM_None );
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bool IsOpened() { return m_TransitionState == opened; };
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bool IsOpening() { return m_TransitionState == opening_right || m_TransitionState == opening_left; };
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bool IsClosed() { return m_TransitionState == closed; };
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bool IsClosing() { return m_TransitionState == closing_right || m_TransitionState == closing_left; };
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void SetTransitionTime( float fNewTransitionTime ) { m_fTransitionTime = fNewTransitionTime; };
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float GetTransitionTime() { return m_fTransitionTime; };
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protected:
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enum TransitionState { opened, closed,
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opening_right, opening_left,
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closing_right, closing_left };
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TransitionState m_TransitionState;
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float m_fTransitionTime;
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float m_fPercentThroughTransition;
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float GetPercentageOpen()
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{
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switch( m_TransitionState )
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{
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case opening_right:
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case opening_left:
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return m_fPercentThroughTransition;
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case closing_right:
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case closing_left:
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return 1 - m_fPercentThroughTransition;
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case opened:
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return 1;
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case closed:
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return 0;
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default:
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ASSERT( false );
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return 0;
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}
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};
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float GetPercentageClosed() { return 1-GetPercentageOpen(); };
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ScreenMessage m_MessageToSendWhenDone;
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};
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#endif
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