Init

Engine/SoundEffect.cpp

@@ -0,0 +1,77 @@
+#include "base.h"
+#include <iostream>
+#include "SoundEffect.h"
+
+SoundEffect::SoundEffect( const std::string& path )
+	:m_pMixChunk{ Mix_LoadWAV( path.c_str( ) ) }
+{
+	if ( m_pMixChunk == nullptr )
+	{
+		const std::string errorMsg = "SoundEffect: Failed to load " + path + ",\nSDL_mixer Error: " + Mix_GetError( );
+		std::cerr << errorMsg;
+	}
+}
+SoundEffect::~SoundEffect( )
+{
+	Mix_FreeChunk( m_pMixChunk );
+	m_pMixChunk = nullptr;
+}
+
+bool SoundEffect::IsLoaded( ) const
+{
+	return m_pMixChunk != nullptr;
+}
+
+bool SoundEffect::Play( const int loops ) const
+{
+	// Don't save the channel as a data member, 
+	// because when it stops playing the channel becomes free
+	// and available for usage by other effects
+	if ( m_pMixChunk != nullptr )
+	{
+		const int channel{ Mix_PlayChannel( -1, m_pMixChunk, loops ) };
+		return channel == -1 ? false : true;
+	}
+	else
+	{
+		return false;
+	}
+}
+
+void SoundEffect::SetVolume( const int value )
+{
+	if ( m_pMixChunk != nullptr )
+	{
+		Mix_VolumeChunk( m_pMixChunk, value );
+	}
+}
+
+int SoundEffect::GetVolume( ) const
+{
+	if ( m_pMixChunk != nullptr )
+	{
+		return Mix_VolumeChunk( m_pMixChunk, -1 );
+	}
+	else
+	{
+		return -1;
+	}
+}
+
+void SoundEffect::StopAll( )
+{
+	Mix_HaltChannel(-1 );
+}
+
+void SoundEffect::PauseAll( )
+{
+	Mix_Pause( -1 );
+}
+void SoundEffect::ResumeAll( )
+{
+	Mix_Resume( -1 );
+}
+
+
+
+