Started refactoring. Put player walk logic in a designated sound system.

2016-02-05 16:39:23 +01:00
parent 3e2afd7bf2
commit fbdaf92953
7 changed files with 281 additions and 216 deletions
@@ -0,0 +1,491 @@
+#include "Sound/SoundManager.h"
+
+SoundManager::SoundManager(World* world, EventBroker* eventBroker, bool editorMode)
+{
+    m_EventBroker = eventBroker;
+    m_World = world;
+    m_EditorEnabled = editorMode;
+
+    initOpenAL();
+
+    alSpeedOfSound(340.29f);
+    alDistanceModel(AL_LINEAR_DISTANCE);
+    alDopplerFactor(1);
+
+    EVENT_SUBSCRIBE_MEMBER(m_EPlaySoundOnEntity, &SoundManager::OnPlaySoundOnEntity);
+    EVENT_SUBSCRIBE_MEMBER(m_EPlaySoundOnPosition, &SoundManager::OnPlaySoundOnPosition);
+    EVENT_SUBSCRIBE_MEMBER(m_EPlayBackgroundMusic, &SoundManager::OnPlayBackgroundMusic);
+    EVENT_SUBSCRIBE_MEMBER(m_EStopSound, &SoundManager::OnStopSound);
+    EVENT_SUBSCRIBE_MEMBER(m_EPauseSound, &SoundManager::OnPauseSound);
+    EVENT_SUBSCRIBE_MEMBER(m_EContinueSound, &SoundManager::OnContinueSound);
+    EVENT_SUBSCRIBE_MEMBER(m_ESetBGMGain, &SoundManager::OnSetBGMGain);
+    EVENT_SUBSCRIBE_MEMBER(m_ESetSFXGain, &SoundManager::OnSetSFXGain);
+    EVENT_SUBSCRIBE_MEMBER(m_EShoot, &SoundManager::OnShoot);
+    EVENT_SUBSCRIBE_MEMBER(m_EPlayerSpawned, &SoundManager::OnPlayerSpawned);
+    EVENT_SUBSCRIBE_MEMBER(m_EPlayerDamage, &SoundManager::OnPlayerDamage);
+    EVENT_SUBSCRIBE_MEMBER(m_EInputCommand, &SoundManager::OnInputCommand);
+    EVENT_SUBSCRIBE_MEMBER(m_ECaptured, &SoundManager::OnCaptured);
+    EVENT_SUBSCRIBE_MEMBER(m_ETriggerTouch, &SoundManager::OnTriggerTouch);
+    EVENT_SUBSCRIBE_MEMBER(m_EPause, &SoundManager::OnPause);
+    EVENT_SUBSCRIBE_MEMBER(m_EResume, &SoundManager::OnResume);
+    EVENT_SUBSCRIBE_MEMBER(m_EComponentAttached, &SoundManager::OnComponentAttached);
+    EVENT_SUBSCRIBE_MEMBER(m_EDoubleJump, &SoundManager::OnDoubleJump);
+    EVENT_SUBSCRIBE_MEMBER(m_EDashAbility, &SoundManager::OnDashAbility);
+}
+
+SoundManager::~SoundManager()
+{
+    stopEmitters(); // Stopps emitters
+    deleteInactiveEmitters(); // Deletes stopped emitters
+    // Delete entities
+    std::unordered_map<EntityID, Source*>::iterator it;
+    for (it = m_Sources.begin(); it != m_Sources.end(); it++) {
+        m_World->DeleteEntity((*it).first);
+    }
+    m_Sources.clear();
+
+    alcDestroyContext(m_ALCcontext);
+    alcCloseDevice(m_ALCdevice);
+}
+
+void SoundManager::stopEmitters()
+{
+    std::unordered_map<EntityID, Source*>::iterator it;
+    for (it = m_Sources.begin(); it != m_Sources.end(); it++) {
+        if (getSourceState(it->second->ALsource) == AL_PLAYING) {
+            stopSound(it->second);
+        }
+    }
+}
+
+void SoundManager::Update(double dt)
+{
+    m_EventBroker->Process<SoundManager>();
+    deleteInactiveEmitters(); // can be optimized with "EEntityDeleted"
+    updateEmitters(dt);
+    updateListener(dt);
+
+    // Editor debug info
+    ImGui::SliderFloat("BGM", &m_BGMVolumeChannel, 0.0f, 1.0f, "%.3f", 1.0f);
+    ImGui::SliderFloat("SFX", &m_SFXVolumeChannel, 0.0f, 1.0f, "%.3f", 1.0f);
+}
+
+void SoundManager::deleteInactiveEmitters()
+{
+    std::unordered_map<EntityID, Source*>::iterator it;
+    for (it = m_Sources.begin(); it != m_Sources.end();) {
+        if (m_World->ValidEntity(it->first)
+            && m_World->HasComponent(it->first, "SoundEmitter")) {
+            if (getSourceState(it->second->ALsource) != AL_STOPPED) {
+                // Nothing to see here, move along
+                it++;
+                continue;
+            } else {
+                // Sound has been stopped / finished playing. 
+                alDeleteBuffers(1, &it->second->ALsource);
+                alDeleteSources(1, &it->second->ALsource);
+                m_World->DeleteEntity(it->first);
+                delete it->second;
+                it = m_Sources.erase(it);
+            }
+        } else {
+            // Entity / Component has been removed
+            stopSound(it->second);
+            alDeleteBuffers(1, &it->second->ALsource);
+            alDeleteSources(1, &it->second->ALsource);
+            delete it->second;
+            it = m_Sources.erase(it);
+        }
+    }
+}
+
+void SoundManager::updateEmitters(double dt)
+{
+    std::unordered_map<EntityID, Source*>::iterator it;
+    for (it = m_Sources.begin(); it != m_Sources.end(); it++) {
+        // Get previous pos
+        if (!m_World->ValidEntity(it->first)) {
+            return;
+        }
+        glm::vec3 previousPos;
+        alGetSource3f(it->second->ALsource, AL_POSITION, &previousPos.x, &previousPos.y, &previousPos.z);
+        // Get next pos
+        glm::vec3 nextPos = Transform::AbsolutePosition(m_World, it->first);
+        // Calculate velocity
+        glm::vec3 velocity = glm::vec3(nextPos - previousPos) / (float)dt;
+        setSourcePos(it->second->ALsource, nextPos);
+        setSourceVel(it->second->ALsource, velocity);
+
+        auto emitter = m_World->GetComponent(it->first, "SoundEmitter");
+        setSoundProperties(it->second, &emitter);
+
+        // To make an emitter play when spawned in editor mode
+        if (m_EditorEnabled) {
+            // Path changed
+            if (it->second->SoundResource->Path() != (std::string)emitter["FilePath"]) {
+                it->second->SoundResource = ResourceManager::Load<Sound>((std::string)emitter["FilePath"]);
+                if (it->second->SoundResource->Buffer() != 0) {
+                    playSound(it->second);
+                }
+            }
+        }
+    }
+}
+
+void SoundManager::updateListener(double dt)
+{
+    // Should only be one listener.
+    auto listenerComponents = m_World->GetComponents("Listener");
+    if (listenerComponents == nullptr) {
+        return;
+    }
+    for (auto it = listenerComponents->begin(); it != listenerComponents->end(); it++) {
+        EntityID listener = (*it).EntityID;
+        glm::vec3 previousPos;
+        alGetListener3f(AL_POSITION, &previousPos.x, &previousPos.y, &previousPos.z); // Get previous pos
+        glm::vec3 nextPos = Transform::AbsolutePosition(m_World, listener); // Get next (current) pos
+        glm::vec3 velocity = glm::vec3(nextPos - previousPos) / (float)dt; // Calculate velocity
+        setListenerPos(nextPos);
+        setListenerVel(velocity);
+        setListenerOri(glm::eulerAngles(Transform::AbsoluteOrientation(m_World, listener)));
+    }
+}
+
+Source* SoundManager::createSource(std::string filePath)
+{
+    ALuint alSource;
+    alGenSources((ALuint)1, &alSource);
+    alSourcef(alSource, AL_REFERENCE_DISTANCE, 1.0);
+    alSourcef(alSource, AL_MAX_DISTANCE, FLT_MAX);
+    Source* source = new Source();
+    source->ALsource = alSource;
+    source->SoundResource = ResourceManager::Load<Sound>(filePath);
+    return source;
+}
+
+void SoundManager::playSound(Source* source)
+{
+    alSourcei(source->ALsource, AL_BUFFER, source->SoundResource->Buffer());
+    alSourcePlay(source->ALsource);
+}
+
+void SoundManager::playQueue(QueuedBuffers qb)
+{
+    for (int i = 0; i < qb.second.size(); i++) {
+        alSourceQueueBuffers(qb.first, 1, &qb.second[i]);
+    }
+    alSourcePlay(qb.first);
+}
+
+void SoundManager::stopSound(Source* source)
+{
+    alSourceStop(source->ALsource);
+}
+
+void SoundManager::playerJumps()
+{
+    glm::vec3 vel = (glm::vec3)m_World->GetComponent(m_LocalPlayer, "Physics")["Velocity"];
+    if (vel.y == 0) {
+        Source* source = createSource("Audio/jump/jump1.wav");
+        source->Type = SoundType::SFX;
+        m_Sources[createChildEmitter()] = source;
+        playSound(source);
+    }
+
+}
+
+void SoundManager::playerStep(double dt)
+{
+   
+}
+
+EntityID SoundManager::createChildEmitter()
+{ 
+    EntityID child = m_World->CreateEntity(m_LocalPlayer);
+    m_World->AttachComponent(child, "Transform");
+    m_World->AttachComponent(child, "SoundEmitter");
+    return child;
+}
+
+bool SoundManager::OnPlaySoundOnEntity(const Events::PlaySoundOnEntity & e)
+{
+    Source* source = createSource(e.FilePath);
+    source->Type = SoundType::SFX;
+    m_Sources[e.EmitterID] = source;
+    playSound(source);
+    return false;
+}
+
+bool SoundManager::OnPlaySoundOnPosition(const Events::PlaySoundOnPosition & e)
+{
+    Source* source = createSource(e.FilePath);
+    auto emitterID = m_World->CreateEntity();
+    auto transform = m_World->AttachComponent(emitterID, "Transform");
+    (glm::vec3&)transform["Position"] = e.Position;
+    auto emitter = m_World->AttachComponent(emitterID, "SoundEmitter");
+    (float&)(double)emitter["Gain"] = e.Gain;
+    (float&)(double)emitter["Pitch"] = e.Pitch;
+    (bool&)emitter["Loop"] = e.Loop;
+    (float&)(double)emitter["MaxDistance"] = e.MaxDistance;
+    (float&)(double)emitter["RollOffFactor"] = e.RollOffFactor;
+    (float&)(double)emitter["ReferenceDistance"] = e.ReferenceDistance;
+    source->Type = SoundType::SFX;
+    m_Sources[emitterID] = source;
+    playSound(source);
+    return true;
+}
+
+bool SoundManager::OnPauseSound(const Events::PauseSound & e)
+{
+    alSourcePause(m_Sources[e.EmitterID]->ALsource);
+    return true;
+}
+
+bool SoundManager::OnStopSound(const Events::StopSound & e)
+{
+    alSourceStop(m_Sources[e.EmitterID]->ALsource);
+    return true;
+}
+
+bool SoundManager::OnContinueSound(const Events::ContinueSound & e)
+{
+    alSourcePlay(m_Sources[e.EmitterID]->ALsource);
+    return true;
+}
+
+bool SoundManager::OnPlayBackgroundMusic(const Events::PlayBackgroundMusic & e)
+{
+    auto listenerComponents = m_World->GetComponents("Listener");
+    for (auto it = listenerComponents->begin(); it != listenerComponents->end(); it++) {
+        auto emitterChild = m_World->CreateEntity((*it).EntityID);
+        auto emitter = m_World->AttachComponent(emitterChild, "SoundEmitter");
+        (bool&)emitter["Loop"] = false;
+        (std::string&)emitter["FilePath"] = e.FilePath;
+        m_World->AttachComponent(emitterChild, "Transform");
+        Source* source = createSource(e.FilePath);
+        source->Type = SoundType::BGM;
+        setSoundProperties(source, &emitter);
+        m_Sources[emitterChild] = source;
+        playSound(source);
+    }
+    return true;
+}
+
+bool SoundManager::OnSetBGMGain(const Events::SetBGMGain & e)
+{
+    m_BGMVolumeChannel = e.Gain;
+    return true;
+}
+
+bool SoundManager::OnSetSFXGain(const Events::SetSFXGain & e)
+{
+    m_SFXVolumeChannel = e.Gain;
+    return true;
+}
+
+bool SoundManager::OnShoot(const Events::Shoot & e)
+{
+    Source* source = createSource("Audio/laser/laser1.wav");
+    //auto emitterID = m_World->CreateEntity(e.Player.ID);
+    //m_World->AttachComponent(emitterID, "Transform");
+    //auto emitter = m_World->AttachComponent(emitterID, "SoundEmitter");
+    source->Type = SoundType::SFX;
+    m_Sources[createChildEmitter()] = source;
+    playSound(source);
+    return true;
+}
+
+bool SoundManager::OnPlayerSpawned(const Events::PlayerSpawned & e)
+{
+    if (e.PlayerID == -1) { // Local player
+        m_World->AttachComponent(e.Player.ID, "Listener");
+        m_LocalPlayer = e.Player.ID;
+    }
+    return true;
+}
+
+bool SoundManager::OnInputCommand(const Events::InputCommand & e)
+{
+    if (e.Command == "Jump" && e.Value > 0) {
+        if (e.PlayerID == -1) { // local player
+            playerJumps();
+            return true;
+        }
+    }
+    // TEMP: testing purpose (obviously)
+    if (e.Command == "TakeDamage" && e.Value > 0) {
+        if (e.PlayerID == -1) { //Local Player
+            Events::PlayerDamage ePlayerDamage;
+            ePlayerDamage.Damage = 1;
+            ePlayerDamage.Player = EntityWrapper(m_World, e.Player.ID);
+            m_EventBroker->Publish(ePlayerDamage);
+            return true;
+        }
+    }
+    return false;
+}
+
+bool SoundManager::OnCaptured(const Events::Captured & e)
+{
+    int homeTeam = (int)m_World->GetComponent(e.CapturePointID, "Team")["Team"];
+    int team = (int)m_World->GetComponent(m_LocalPlayer, "Team")["Team"];
+    Events::PlaySoundOnEntity ev;
+    if (team == homeTeam) {
+        ev.FilePath = "Audio/announcer/objective_achieved.wav";
+    } else {
+        ev.FilePath = "Audio/announcer/objective_failed.wav"; // have not been tested
+    }
+    ev.EmitterID = createChildEmitter();
+    m_EventBroker->Publish(ev);
+    return false;
+}
+
+bool SoundManager::OnPlayerDamage(const Events::PlayerDamage & e)
+{
+    // Should check for only local players here...
+
+    std::uniform_int_distribution<int> dist(1, 12);
+    int rand = dist(generator);
+    Source* source = createSource("Audio/hurt/hurt" + std::to_string(rand) + ".wav");
+    source->Type = SoundType::SFX;
+    m_Sources[createChildEmitter()] = source;
+
+    // Breathe
+    std::vector<ALuint> buffers;
+    buffers.push_back(source->SoundResource->Buffer());
+    int ammountOfbreaths = (static_cast<int>(e.Damage) / 10) + 2; // TEMP: Idk something stupid like this shit
+    for (int i = 0; i < ammountOfbreaths; i++) {
+        buffers.push_back(ResourceManager::Load<Sound>("Audio/exhausted/breath.wav")->Buffer());
+    }
+    playQueue(QueuedBuffers(std::make_pair(source->ALsource, buffers)));
+
+    return false;
+}
+
+bool SoundManager::OnPlayerDeath(const Events::PlayerDeath & e)
+{
+    if (e.PlayerID == m_LocalPlayer) {
+        Events::PlaySoundOnEntity ev;
+        ev.EmitterID = createChildEmitter();
+        ev.FilePath = "Audio/die/die2.wav"; // should random between a bunch
+        m_EventBroker->Publish(ev);
+    }
+    return false;
+}
+
+bool SoundManager::OnPlayerHealthPickup(const Events::PlayerHealthPickup & e)
+{
+    if (e.PlayerHealedID == m_LocalPlayer) {
+        Events::PlaySoundOnEntity ev;
+        ev.EmitterID = createChildEmitter();
+        ev.FilePath = "Audio/pickup/pickup2.wav";
+        m_EventBroker->Publish(ev);
+    }
+    return false;
+}
+
+bool SoundManager::OnComponentAttached(const Events::ComponentAttached & e)
+{
+    if (e.Component.Info.Name == "SoundEmitter") {
+        auto component = m_World->GetComponent(e.Entity.ID, "SoundEmitter");
+        Source* source = createSource(component["FilePath"]);
+        m_Sources[e.Entity.ID] = source;
+    }
+    return false;
+}
+
+bool SoundManager::OnTriggerTouch(const Events::TriggerTouch & e)
+{
+    if (m_World->HasComponent(e.Trigger.ID, "CapturePoint")) {
+        Events::PlayBackgroundMusic ev;
+        ev.FilePath = "Audio/bgm/drumstest.wav";
+        m_EventBroker->Publish(ev);
+    }
+    return false;
+}
+
+bool SoundManager::OnPause(const Events::Pause & e)
+{
+    for (auto it = m_Sources.begin(); it != m_Sources.end(); it++) {
+        alSourcePause(it->second->ALsource);
+    }
+    return false;
+}
+
+bool SoundManager::OnResume(const Events::Resume &e)
+{
+    for (auto it = m_Sources.begin(); it != m_Sources.end(); it++) {
+        alSourcePlay(it->second->ALsource);
+    }
+    return false;
+}
+
+bool SoundManager::OnDoubleJump(const Events::DoubleJump & e)
+{
+    Events::PlaySoundOnEntity ev;
+    ev.EmitterID = createChildEmitter();
+    ev.FilePath = "Audio/jump/jump2.wav";
+    m_EventBroker->Publish(ev);
+    return false;
+}
+
+bool SoundManager::OnDashAbility(const Events::DashAbility &e)
+{
+    Events::PlaySoundOnEntity ev;
+    ev.EmitterID = createChildEmitter();
+    ev.FilePath = "Audio/jump/dash1.wav";
+    m_EventBroker->Publish(ev);
+    return false;
+}
+
+ALenum SoundManager::getSourceState(ALuint source)
+{
+    ALenum state;
+    alGetSourcei(source, AL_SOURCE_STATE, &state);
+    return state;
+}
+
+void SoundManager::setGain(Source * source, float gain)
+{
+    alSourcef(source->ALsource, AL_GAIN, gain);
+}
+
+void SoundManager::setSoundProperties(Source* source, ComponentWrapper* soundComponent)
+{
+    float gain = (source->Type == SoundType::SFX) ? m_SFXVolumeChannel : m_BGMVolumeChannel;
+    alSourcef(source->ALsource, AL_GAIN, (float)(double)(*soundComponent)["Gain"] * gain);
+    alSourcef(source->ALsource, AL_PITCH, (float)(double)(*soundComponent)["Pitch"]);
+    alSourcei(source->ALsource, AL_LOOPING, (int)(bool)(*soundComponent)["Loop"]); // YOLO
+    alSourcef(source->ALsource, AL_MAX_DISTANCE, (float)(double)(*soundComponent)["MaxDistance"]);
+    alSourcef(source->ALsource, AL_ROLLOFF_FACTOR, (float)(double)(*soundComponent)["RollOffFactor"]);
+    alSourcef(source->ALsource, AL_REFERENCE_DISTANCE, (float)(double)(*soundComponent)["ReferenceDistance"]);
+}
+
+void SoundManager::initOpenAL()
+{
+    // Initialize OpenAL
+    m_ALCdevice = alcOpenDevice(nullptr);
+    if (m_ALCdevice != nullptr) {
+        m_ALCcontext = alcCreateContext(m_ALCdevice, nullptr);
+        alcMakeContextCurrent(m_ALCcontext);
+    } else {
+        LOG_ERROR("OpenAL failed to initialize.");
+    }
+}
+
+void SoundManager::setListenerOri(glm::vec3 ori)
+{
+    // Calculate forward and up vector.
+    glm::vec3 forward = glm::vec3(0.0, 0.0, -1.0);
+    forward = glm::rotateX(forward, ori.x);
+    forward = glm::rotateY(forward, ori.y);
+    forward = glm::rotateZ(forward, ori.z);
+    glm::normalize(forward);
+    glm::vec3 up = glm::vec3(0.0, 1.0, 0.0);
+    up = glm::rotateX(up, ori.x);
+    up = glm::rotateY(up, ori.y);
+    up = glm::rotateZ(up, ori.z);
+    glm::normalize(up);
+    ALfloat lOri[6] = { forward.x, forward.y, forward.z, up.x, up.y, up.z };
+    alListenerfv(AL_ORIENTATION, lOri);
+}