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#include "muxer.h"
#include <iostream>
#include <fmod_errors.h>
void ERRCHECK_fn(FMOD_RESULT result, const char* file, int line) {
if (result != FMOD_OK) {
std::cout << file << "(" << line << "): FMOD error " << result << " - " << FMOD_ErrorString(result);
abort();
}
}
#define ERRCHECK(_result) ERRCHECK_fn(_result, __FILE__, __LINE__)
Muxer::Muxer() {
FMOD::Studio::System* system_holder = nullptr;
ERRCHECK(FMOD::Studio::System::create(&system_holder));
system_.reset(system_holder);
FMOD::System* coreSystem = nullptr;
ERRCHECK(system_->getCoreSystem(&coreSystem));
ERRCHECK(coreSystem->setSoftwareFormat(0, FMOD_SPEAKERMODE_5POINT1, 0));
ERRCHECK(system_->initialize(1024, FMOD_STUDIO_INIT_NORMAL, FMOD_INIT_NORMAL, nullptr));
FMOD::Studio::Bank* masterBank = nullptr;
ERRCHECK(system_->loadBankFile("../res/fmod/Build/Desktop/Master Bank.bank", FMOD_STUDIO_LOAD_BANK_NORMAL, &masterBank));
FMOD::Studio::Bank* stringsBank = nullptr;
ERRCHECK(system_->loadBankFile("../res/fmod/Build/Desktop/Master Bank.strings.bank", FMOD_STUDIO_LOAD_BANK_NORMAL, &stringsBank));
FMOD::Studio::EventDescription* exploration_desc = nullptr;
ERRCHECK(system_->getEvent("event:/exploration", &exploration_desc));
ERRCHECK(exploration_desc->createInstance(&exploration_event_));
ERRCHECK(exploration_event_->start());
}
void Muxer::setPlayerLoc(int x, int y) {
FMOD_3D_ATTRIBUTES attributes = {{0}};
attributes.forward.z = 1.0f;
attributes.up.y = 1.0f;
attributes.position.x = x;
attributes.position.y = y;
ERRCHECK(system_->setListenerAttributes(0, &attributes));
}
void Muxer::playSoundAtPosition(std::string name, float x, float y) {
std::string eventPath = std::string("event:/") + name;
FMOD::Studio::EventDescription* eventDescription = nullptr;
ERRCHECK(system_->getEvent(eventPath.c_str(), &eventDescription));
FMOD::Studio::EventInstance* eventInstance = nullptr;
ERRCHECK(eventDescription->createInstance(&eventInstance));
FMOD_3D_ATTRIBUTES attributes = {{0}};
attributes.forward.z = 1.0f;
attributes.up.y = 1.0f;
attributes.position.x = x;
attributes.position.y = y;
ERRCHECK(eventInstance->set3DAttributes(&attributes));
ERRCHECK(eventInstance->start());
ERRCHECK(eventInstance->release());
}
void Muxer::setMusicLevel(int level) {
if (transition_state_ == TransitionState::Pre) {
if (level >= 3) {
transition_state_ = TransitionState::Transition;
ERRCHECK(exploration_event_->stop(FMOD_STUDIO_STOP_ALLOWFADEOUT));
ERRCHECK(exploration_event_->release());
FMOD::Studio::EventDescription* eventDescription = nullptr;
ERRCHECK(system_->getEvent("event:/transition", &eventDescription));
ERRCHECK(eventDescription->createInstance(&transition_event_));
ERRCHECK(transition_event_->start());
} else {
ERRCHECK(exploration_event_->setParameterByName("level", level));
}
} else if (transition_state_ == TransitionState::Post) {
if (level <= 3) {
ERRCHECK(the_world_event_->setParameterByName("level_full", 0));
} else {
ERRCHECK(the_world_event_->setParameterByName("level_full", level - 3));
}
}
}
void Muxer::stopMusic() {
switch (transition_state_) {
case TransitionState::Pre: {
ERRCHECK(exploration_event_->stop(FMOD_STUDIO_STOP_ALLOWFADEOUT));
break;
}
case TransitionState::Transition: {
ERRCHECK(transition_event_->stop(FMOD_STUDIO_STOP_ALLOWFADEOUT));
break;
}
case TransitionState::Post: {
ERRCHECK(the_world_event_->stop(FMOD_STUDIO_STOP_ALLOWFADEOUT));
break;
}
case TransitionState::Stopped: {
// Do nothing.
break;
}
}
transition_state_ = TransitionState::Stopped;
}
void Muxer::update() {
if (transition_state_ == TransitionState::Transition) {
FMOD_STUDIO_PLAYBACK_STATE playbackState;
ERRCHECK(transition_event_->getPlaybackState(&playbackState));
if (playbackState == FMOD_STUDIO_PLAYBACK_STOPPED) {
transition_state_ = TransitionState::Post;
transition_event_->release();
FMOD::Studio::EventDescription* eventDescription = nullptr;
ERRCHECK(system_->getEvent("event:/the_world", &eventDescription));
ERRCHECK(eventDescription->createInstance(&the_world_event_));
ERRCHECK(the_world_event_->start());
}
}
ERRCHECK(system_->update());
}
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