Initial Commit

src/sound/soundsystem.cpp

@@ -0,0 +1,124 @@
+#include "core.h"
+#include "log.h"
+
+#define MINIAUDIO_IMPLEMENTATION
+#include "soundsystem.h"
+
+SoundSystem g_soundSystem;
+
+SoundSystem::SoundSystem()
+{
+	memset(&m_engine, 0, sizeof(m_engine));
+	memset(&m_sounds, 0, sizeof(m_sounds));
+
+	m_inited = false;
+	m_dwSoundsNum = 0;
+}
+
+SoundSystem::~SoundSystem()
+{
+}
+
+void SoundSystem::Init()
+{
+	ma_result result;
+
+	Msg("Sound initialization\n");
+
+	result = ma_engine_init(NULL, &m_engine);
+	if ( result != MA_SUCCESS )
+	{
+		Msg("Failed to initialize the miniaudio engine. %s\n", ma_result_description(result));
+		//DError("Failed to initialize the miniaudio engine. %s\n", ma_result_description(result));
+		return;  // Failed to initialize the engine.
+	}
+
+	ma_uint32 uiChannels = ma_engine_get_channels(&m_engine);
+	Msg("%d channel(s)\n", uiChannels);
+
+	ma_uint32 uiSampleRate = ma_engine_get_sample_rate(&m_engine);
+	Msg("Sound sampling rate: %d\n", uiSampleRate);
+
+	m_inited = true;
+}
+
+void SoundSystem::Shutdown()
+{
+	if ( !m_inited )
+		return;
+
+	for ( int i = 0; i < m_dwSoundsNum; i++ )
+	{
+		ma_sound_uninit(&m_sounds[i]);
+	}
+
+	memset(&m_sounds, 0, sizeof(m_sounds));
+
+	ma_engine_uninit(&m_engine);
+	memset(&m_engine, 0, sizeof(m_engine));
+}
+
+SoundHandle SoundSystem::LoadSound(const char* filename)
+{
+	if ( !m_inited )
+		return -1;
+
+	ma_result result;
+
+	SoundHandle handle = m_dwSoundsNum;
+
+	result = ma_sound_init_from_file(&m_engine, filename, 0, NULL, NULL, &m_sounds[handle]);
+	if ( result != MA_SUCCESS )
+	{
+		Msg("Failed to load sound %s\n", filename);
+		return -1;
+	}
+
+	m_dwSoundsNum++;
+	return handle;
+}
+
+void SoundSystem::Play(SoundHandle handle, bool bLoop)
+{
+	if ( !m_inited )
+		return;
+
+	assert(handle <= -1 || handle <= m_dwSoundsNum);
+
+	ma_sound_start(&m_sounds[handle]);
+
+	if ( bLoop )
+		ma_sound_set_looping(&m_sounds[handle], true);
+}
+
+void SoundSystem::Stop(SoundHandle handle)
+{
+	if ( !m_inited )
+		return;
+
+	assert(handle <= -1 || handle <= m_dwSoundsNum);
+	ma_sound_stop(&m_sounds[handle]);
+}
+
+bool SoundSystem::IsPlaying(SoundHandle handle)
+{
+	if ( !m_inited )
+		return false;
+
+	assert(handle <= -1 || handle <= m_dwSoundsNum);
+
+	return ma_sound_is_playing(&m_sounds[handle]);
+}
+
+void SoundSystem::SetMasterVolume(float volume)
+{
+	if ( !m_inited )
+		return;
+
+	ma_engine_set_volume(&m_engine, volume);
+}
+
+float SoundSystem::GetMasterVolume()
+{
+	return ma_engine_get_volume(&m_engine);
+}