mirror of
https://github.com/MaSzyna-EU07/maszyna.git
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98 lines
2.1 KiB
C++
98 lines
2.1 KiB
C++
/*
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This Source Code Form is subject to the
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terms of the Mozilla Public License, v.
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2.0. If a copy of the MPL was not
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distributed with this file, You can
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obtain one at
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http://mozilla.org/MPL/2.0/.
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*/
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/*
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MaSzyna EU07 locomotive simulator
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Copyright (C) 2001-2004 Marcin Wozniak and others
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*/
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#include "system.hpp"
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#include "classes.hpp"
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#pragma hdrstop
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#include "Timer.h"
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#include "FadeSound.h"
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TFadeSound::TFadeSound()
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{
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Sound = NULL;
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fFade = 0;
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dt = 0;
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fTime = 0;
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}
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TFadeSound::~TFadeSound() { Free(); }
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void TFadeSound::Free() {}
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void TFadeSound::Init(char *Name, float fNewFade)
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{
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Sound = TSoundsManager::GetFromName(Name, false);
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if (Sound)
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Sound->SetVolume(0);
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fFade = fNewFade;
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fTime = 0;
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}
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void TFadeSound::TurnOn()
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{
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State = ss_Starting;
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Sound->Play(0, 0, DSBPLAY_LOOPING);
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fTime = fFade;
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}
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void TFadeSound::TurnOff() { State = ss_ShuttingDown; }
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void TFadeSound::Update()
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{
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if (State == ss_Starting)
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{
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fTime += Timer::GetDeltaTime();
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// SoundStart->SetVolume(-1000*(4-fTime)/4);
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if (fTime >= fFade)
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{
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fTime = fFade;
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State = ss_Commencing;
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Sound->SetVolume(-2000 * (fFade - fTime) / fFade);
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Sound->SetFrequency(44100 - 500 + 500 * (fTime) / fFade);
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}
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else if (Timer::GetSoundTimer())
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{
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Sound->SetVolume(-2000 * (fFade - fTime) / fFade);
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Sound->SetFrequency(44100 - 500 + 500 * (fTime) / fFade);
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}
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}
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else if (State == ss_ShuttingDown)
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{
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fTime -= Timer::GetDeltaTime();
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if (fTime <= 0)
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{
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State = ss_Off;
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fTime = 0;
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Sound->Stop();
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}
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if (Timer::GetSoundTimer())
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{ // DSBVOLUME_MIN
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Sound->SetVolume(-2000 * (fFade - fTime) / fFade);
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Sound->SetFrequency(44100 - 500 + 500 * fTime / fFade);
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}
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}
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}
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void TFadeSound::Volume(long vol)
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{
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float glos = 1;
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Sound->SetVolume(vol * glos);
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}
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//---------------------------------------------------------------------------
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#pragma package(smart_init)
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