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Doppler effect

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This commit is contained in:
Adam
2014-03-13 20:00:41 +01:00
parent 192589f9e5
commit 5afb3932e9
4 changed files with 35 additions and 9 deletions
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Escape-the-Dawn/Systems/SoundsSystem.cpp
+23 -7
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@@ -72,14 +72,27 @@ void Systems::SoundSystem::UpdateEntity(double dt, EntityID entity, EntityID par
}
}
void Systems::SoundSystem::PlaySound(std::shared_ptr<Components::SoundEmitter> emitter, std::string fileName)
void Systems::SoundSystem::PlaySound(std::shared_ptr<Components::SoundEmitter> emitter, std::string path)
{
ALuint buffer = LoadFile(fileName);
ALuint buffer = LoadFile(path);
ALuint source = m_Source[emitter.get()];
alSourcei(source, AL_BUFFER, buffer);
alSourcePlay(m_Source[emitter.get()]);
}
void Systems::SoundSystem::PlaySound(std::shared_ptr<Components::SoundEmitter> emitter)
{
ALuint buffer = LoadFile(emitter->Path);
ALuint source = m_Source[emitter.get()];
alSourcei(source, AL_BUFFER, buffer);
alSourcePlay(m_Source[emitter.get()]);
}
void Systems::SoundSystem::StopSound(std::shared_ptr<Components::SoundEmitter> emitter)
{
alSourceStop(m_Source[emitter.get()]);
}
void Systems::SoundSystem::OnComponentCreated(std::string type, std::shared_ptr<Component> component)
{
if(type == "SoundEmitter") {
@@ -88,13 +101,13 @@ void Systems::SoundSystem::OnComponentCreated(std::string type, std::shared_ptr<
}
}
ALuint Systems::SoundSystem::LoadFile(std::string fileName)
ALuint Systems::SoundSystem::LoadFile(std::string path)
{
if (m_BufferCache.find(fileName) != m_BufferCache.end())
return m_BufferCache[fileName];
if (m_BufferCache.find(path) != m_BufferCache.end())
return m_BufferCache[path];
FILE *fp = NULL;
fp = fopen(fileName.c_str(), "rb");
fp = fopen(path.c_str(), "rb");
//CHECK FOR VALID WAVE-FILE
fread(type, sizeof(char), 4, fp);
@@ -160,7 +173,7 @@ ALuint Systems::SoundSystem::LoadFile(std::string fileName)
alBufferData(buffer, format, buf, dataSize, sampleRate);
delete[] buf;
m_BufferCache[fileName] = buffer;
m_BufferCache[path] = buffer;
return buffer;
}
@@ -169,5 +182,8 @@ ALuint Systems::SoundSystem::CreateSource()
ALuint source;
alGenSources((ALuint)1, &source);
alDopplerFactor(2.f); // Numbers greater than 1 will increase Doppler effect, numbers lower than 1 will decrease the Doppler effect
alDopplerVelocity(350.f); // Defines the velocity of the sound
return source;
}