59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#ifndef MULTIEFFECT_H
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#define MULTIEFFECT_H
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//#include "common_headers.h"
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//#include "ifc.h"
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////-----------
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/// MultiEffect
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//---------------
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// CImmCompoundEffect makes no assumption that its contained effects form a more
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// complex, single effect. MultiEffect makes this assumption and provides member
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// functions available in CImmEffect to operate on this "complex" effect.
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//
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// Do not instantiate. (Do not call constructor)
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// Instead, cast existing CImmCompoundEffect* to MultiEffect*
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// Utility functions are specific to the needs of this system.
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//
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class MultiEffect : public CImmCompoundEffect
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{
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public:
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// dummy constructor
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MultiEffect() : CImmCompoundEffect( NULL, 0, NULL ) {} // Never call (cast instead)
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// CImmEffect extensions
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qboolean GetStatus( DWORD &Status );
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qboolean GetStartDelay( DWORD &StartDelay );
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qboolean GetDuration( DWORD &Duration );
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qboolean GetGain( DWORD &Gain );
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qboolean ChangeDuration( DWORD Duration );
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qboolean ChangeGain( DWORD Gain );
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qboolean ChangeStartDelay( DWORD StartDelay );
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// utility functions
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qboolean GetDelayEnd( DWORD &DelayEnd );
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qboolean IsBeyondStartDelay()
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{
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DWORD DelayEnd;
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return qboolean
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( GetDelayEnd( DelayEnd )
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&& DelayEnd < ::GetTickCount() // Does not account for counter overflow.
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);
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}
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qboolean IsPlaying()
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{
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DWORD Status;
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return qboolean( GetStatus( Status ) && (Status & IMM_STATUS_PLAYING) );
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}
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// CImmCompoundEffect overrides
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qboolean Start( DWORD dwIterations = IMM_EFFECT_DONT_CHANGE, DWORD dwFlags = 0 )
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{
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return qboolean
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( IsBeyondStartDelay()
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&& CImmCompoundEffect::Start( dwIterations, dwFlags )
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);
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}
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};
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#endif // MULTIEFFECT_H
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