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#include "client/pch.hh"
#include "client/resource/sound_effect.hh"
#include "core/resource/resource.hh"
#include "core/io/physfs.hh"
#include "client/globals.hh"
static std::size_t drwav_read_physfs(void* file, void* output, std::size_t count)
{
return static_cast<std::size_t>(PHYSFS_readBytes(reinterpret_cast<PHYSFS_File*>(file), output, count));
}
static drwav_bool32 drwav_seek_physfs(void* file, int offset, drwav_seek_origin origin)
{
if(origin == drwav_seek_origin_current) {
return PHYSFS_seek(reinterpret_cast<PHYSFS_File*>(file), PHYSFS_tell(reinterpret_cast<PHYSFS_File*>(file)) + offset);
}
else {
return PHYSFS_seek(reinterpret_cast<PHYSFS_File*>(file), offset);
}
}
static const void* sound_effect_load_func(const char* name, std::uint32_t flags)
{
assert(name);
if(globals::sound_ctx == nullptr) {
// Sound is disabled
return nullptr;
}
auto file = PHYSFS_openRead(name);
if(file == nullptr) {
spdlog::warn("sfx: {}: {}", name, io::physfs_error());
return nullptr;
}
drwav wav_info;
if(!drwav_init(&wav_info, &drwav_read_physfs, &drwav_seek_physfs, file, nullptr)) {
spdlog::warn("sfx: {}: drwav_init failed", name);
PHYSFS_close(file);
return nullptr;
}
if(wav_info.channels != 1) {
spdlog::warn("sfx: {}: only mono sound files are allowed", name);
drwav_uninit(&wav_info);
PHYSFS_close(file);
return nullptr;
}
auto samples = new ALshort[wav_info.totalPCMFrameCount];
auto count = drwav_read_pcm_frames_s16(&wav_info, wav_info.totalPCMFrameCount, reinterpret_cast<drwav_int16*>(samples));
auto sample_rate = static_cast<ALsizei>(wav_info.sampleRate);
auto length = static_cast<ALsizei>(count * sizeof(ALshort));
drwav_uninit(&wav_info);
PHYSFS_close(file);
auto new_resource = new SoundEffect();
new_resource->name = std::string(name);
alGenBuffers(1, &new_resource->buffer);
alBufferData(new_resource->buffer, AL_FORMAT_MONO16, samples, length, sample_rate);
delete[] samples;
return new_resource;
}
static void sound_effect_free_func(const void* resource)
{
assert(resource);
auto sound_effect = reinterpret_cast<const SoundEffect*>(resource);
alDeleteBuffers(1, &sound_effect->buffer);
delete sound_effect;
}
void SoundEffect::register_resource(void)
{
resource::register_loader<SoundEffect>(&sound_effect_load_func, &sound_effect_free_func);
}
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