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OpenRCT2/src/openrct2/audio/Audio.cpp
frutiemax 6598ae14aa Close #12457: Rename INTRO_STATE to use PascalCase
2020-07-26 09:32:53 -04:00

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/*****************************************************************************
* Copyright (c) 2014-2020 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#include "audio.h"
#include "../Context.h"
#include "../Intro.h"
#include "../OpenRCT2.h"
#include "../config/Config.h"
#include "../core/File.h"
#include "../core/FileStream.hpp"
#include "../core/Memory.hpp"
#include "../core/String.hpp"
#include "../interface/Viewport.h"
#include "../localisation/Language.h"
#include "../localisation/StringIds.h"
#include "../peep/Peep.h"
#include "../ride/Ride.h"
#include "../ui/UiContext.h"
#include "../util/Util.h"
#include "AudioContext.h"
#include "AudioMixer.h"
#include <algorithm>
using namespace OpenRCT2::Audio;
struct AudioParams
{
bool in_range;
int32_t volume;
int32_t pan;
};
audio_device* gAudioDevices = nullptr;
int32_t gAudioDeviceCount;
int32_t gAudioCurrentDevice = -1;
bool gGameSoundsOff = false;
int32_t gVolumeAdjustZoom = 0;
void* gTitleMusicChannel = nullptr;
void* gRainSoundChannel = nullptr;
rct_ride_music gRideMusicList[AUDIO_MAX_RIDE_MUSIC];
rct_ride_music_params gRideMusicParamsList[AUDIO_MAX_RIDE_MUSIC];
rct_ride_music_params* gRideMusicParamsListEnd;
rct_vehicle_sound gVehicleSoundList[AUDIO_MAX_VEHICLE_SOUNDS];
// clang-format off
static int32_t SoundVolumeAdjust[RCT2SoundCount] =
{
0, // LiftClassic
0, // TrackFrictionClassicWood
0, // FrictionClassic
0, // Scream1
0, // Click1
0, // Click2
0, // PlaceItem
0, // Scream2
0, // Scream3
0, // Scream4
0, // Scream5
0, // Scream6
0, // LiftFrictionWheels
-400, // Purchase
0, // Crash
0, // LayingOutWater
0, // Water1
0, // Water2
0, // TrainWhistle
0, // TrainDeparting
-1000, // WaterSplash
0, // GoKartEngine
-800, // RideLaunch1
-1700, // RideLaunch2
-700, // Cough1
-700, // Cough2
-700, // Cough3
-700, // Cough4
0, // Rain
0, // Thunder1
0, // Thunder2
0, // TrackFrictionTrain
0, // TrackFrictionWater
0, // BalloonPop
-700, // MechanicFix
0, // Scream7
-2500, // ToiletFlush original value: -1000
0, // Click3
0, // Quack
0, // NewsItem
0, // WindowOpen
-900, // Laugh1
-900, // Laugh2
-900, // Laugh3
0, // Applause
-600, // HauntedHouseScare
-700, // HauntedHouseScream1
-700, // HauntedHouseScream2
-2550, // BlockBrakeClose
-2900, // BlockBrakeRelease
0, // Error
-3400, // BrakeRelease
0, // LiftArrow
0, // LiftWood
0, // TrackFrictionWood
0, // LiftWildMouse
0, // LiftBM
0, // TrackFrictionBM
0, // Scream8
0, // Tram
-2000, // DoorOpen
-2700, // DoorClose
-700 // Portcullis
};
// clang-format on
static AudioParams audio_get_params_from_location(SoundId soundId, const CoordsXYZ& location);
void audio_init()
{
if (str_is_null_or_empty(gConfigSound.device))
{
Mixer_Init(nullptr);
gAudioCurrentDevice = 0;
}
else
{
Mixer_Init(gConfigSound.device);
audio_populate_devices();
for (int32_t i = 0; i < gAudioDeviceCount; i++)
{
if (String::Equals(gAudioDevices[i].name, gConfigSound.device))
{
gAudioCurrentDevice = i;
}
}
}
}
void audio_populate_devices()
{
SafeFree(gAudioDevices);
auto audioContext = OpenRCT2::GetContext()->GetAudioContext();
std::vector<std::string> devices = audioContext->GetOutputDevices();
// Replace blanks with localised unknown string
for (auto& device : devices)
{
if (device.empty())
{
device = language_get_string(STR_OPTIONS_SOUND_VALUE_DEFAULT);
}
}
#ifndef __linux__
// The first device is always system default on Windows and macOS
std::string defaultDevice = language_get_string(STR_OPTIONS_SOUND_VALUE_DEFAULT);
devices.insert(devices.begin(), defaultDevice);
#endif
gAudioDeviceCount = static_cast<int32_t>(devices.size());
gAudioDevices = Memory::AllocateArray<audio_device>(gAudioDeviceCount);
for (int32_t i = 0; i < gAudioDeviceCount; i++)
{
auto device = &gAudioDevices[i];
String::Set(device->name, sizeof(device->name), devices[i].c_str());
}
}
void audio_play_sound_at_location(SoundId soundId, const CoordsXYZ& loc)
{
if (gGameSoundsOff)
return;
AudioParams params = audio_get_params_from_location(soundId, loc);
if (params.in_range)
{
audio_play_sound(soundId, params.volume, params.pan);
}
}
/**
* Returns the audio parameters to use when playing the specified sound at a virtual location.
* @param soundId The sound effect to be played.
* @param location The location at which the sound effect is to be played.
* @return The audio parameters to be used when playing this sound effect.
*/
static AudioParams audio_get_params_from_location(SoundId soundId, const CoordsXYZ& location)
{
int32_t volumeDown = 0;
AudioParams params;
params.in_range = true;
params.volume = 0;
params.pan = 0;
auto element = map_get_surface_element_at(location);
if (element && (element->GetBaseZ()) - 5 > location.z)
{
volumeDown = 10;
}
uint8_t rotation = get_current_rotation();
auto pos2 = translate_3d_to_2d_with_z(rotation, location);
rct_viewport* viewport = nullptr;
while ((viewport = window_get_previous_viewport(viewport)) != nullptr)
{
if (viewport->flags & VIEWPORT_FLAG_SOUND_ON)
{
int16_t vx = pos2.x - viewport->viewPos.x;
int16_t vy = pos2.y - viewport->viewPos.y;
params.pan = viewport->pos.x + (vx / viewport->zoom);
params.volume = SoundVolumeAdjust[static_cast<uint8_t>(soundId)]
+ ((-1024 * viewport->zoom - 1) * (1 << volumeDown)) + 1;
if (vy < 0 || vy >= viewport->view_height || vx < 0 || vx >= viewport->view_width || params.volume < -10000)
{
params.in_range = false;
return params;
}
}
}
return params;
}
void audio_play_sound(SoundId soundId, int32_t volume, int32_t pan)
{
if (gGameSoundsOff)
return;
int32_t mixerPan = 0;
if (pan != AUDIO_PLAY_AT_CENTRE)
{
int32_t x2 = pan << 16;
uint16_t screenWidth = std::max<int32_t>(64, OpenRCT2::GetContext()->GetUiContext()->GetWidth());
mixerPan = ((x2 / screenWidth) - 0x8000) >> 4;
}
Mixer_Play_Effect(soundId, MIXER_LOOP_NONE, DStoMixerVolume(volume), DStoMixerPan(mixerPan), 1, 1);
}
void audio_start_title_music()
{
if (gGameSoundsOff || !(gScreenFlags & SCREEN_FLAGS_TITLE_DEMO) || gIntroState != IntroState::None)
{
audio_stop_title_music();
return;
}
if (gTitleMusicChannel != nullptr)
{
return;
}
int32_t pathId;
switch (gConfigSound.title_music)
{
case 1:
pathId = PATH_ID_CSS50;
break;
case 2:
pathId = PATH_ID_CSS17;
break;
case 3:
pathId = (util_rand() & 1) ? PATH_ID_CSS50 : PATH_ID_CSS17;
break;
default:
return;
}
gTitleMusicChannel = Mixer_Play_Music(pathId, MIXER_LOOP_INFINITE, true);
if (gTitleMusicChannel != nullptr)
{
Mixer_Channel_SetGroup(gTitleMusicChannel, MIXER_GROUP_TITLE_MUSIC);
}
}
void audio_stop_ride_music()
{
for (auto& rideMusic : gRideMusicList)
{
if (rideMusic.ride_id != RIDE_ID_NULL)
{
rideMusic.ride_id = RIDE_ID_NULL;
if (rideMusic.sound_channel != nullptr)
{
Mixer_Stop_Channel(rideMusic.sound_channel);
}
}
}
}
void audio_stop_all_music_and_sounds()
{
audio_stop_title_music();
audio_stop_vehicle_sounds();
audio_stop_ride_music();
peep_stop_crowd_noise();
audio_stop_rain_sound();
}
void audio_stop_title_music()
{
if (gTitleMusicChannel != nullptr)
{
Mixer_Stop_Channel(gTitleMusicChannel);
gTitleMusicChannel = nullptr;
}
}
void audio_stop_rain_sound()
{
if (gRainSoundChannel != nullptr)
{
Mixer_Stop_Channel(gRainSoundChannel);
gRainSoundChannel = nullptr;
}
}
void audio_init_ride_sounds_and_info()
{
int32_t deviceNum = 0;
audio_init_ride_sounds(deviceNum);
for (auto& rideMusicInfo : gRideMusicInfoList)
{
const utf8* path = context_get_path_legacy(rideMusicInfo.path_id);
if (File::Exists(path))
{
try
{
auto fs = FileStream(path, FILE_MODE_OPEN);
uint32_t head = fs.ReadValue<uint32_t>();
if (head == 0x78787878)
{
rideMusicInfo.length = 0;
}
// The length used to be hardcoded, but we stopped doing that to allow replacement.
if (rideMusicInfo.length == 0)
{
rideMusicInfo.length = fs.GetLength();
}
}
catch (const std::exception&)
{
}
}
}
}
void audio_init_ride_sounds(int32_t device)
{
audio_close();
for (auto& vehicleSound : gVehicleSoundList)
{
vehicleSound.id = SOUND_ID_NULL;
}
gAudioCurrentDevice = device;
config_save_default();
for (auto& rideMusic : gRideMusicList)
{
rideMusic.ride_id = RIDE_ID_NULL;
}
}
void audio_close()
{
peep_stop_crowd_noise();
audio_stop_title_music();
audio_stop_ride_music();
audio_stop_rain_sound();
gAudioCurrentDevice = -1;
}
void audio_toggle_all_sounds()
{
gConfigSound.master_sound_enabled = !gConfigSound.master_sound_enabled;
if (gConfigSound.master_sound_enabled)
{
audio_unpause_sounds();
}
else
{
audio_stop_title_music();
audio_pause_sounds();
}
window_invalidate_by_class(WC_OPTIONS);
}
void audio_pause_sounds()
{
gGameSoundsOff = true;
audio_stop_vehicle_sounds();
audio_stop_ride_music();
peep_stop_crowd_noise();
audio_stop_rain_sound();
}
void audio_unpause_sounds()
{
gGameSoundsOff = false;
}
void audio_stop_vehicle_sounds()
{
if (gAudioCurrentDevice == -1)
{
return;
}
for (auto& vehicleSound : gVehicleSoundList)
{
if (vehicleSound.id != SOUND_ID_NULL)
{
vehicleSound.id = SOUND_ID_NULL;
if (vehicleSound.TrackSound.Id != SoundId::Null)
{
Mixer_Stop_Channel(vehicleSound.TrackSound.Channel);
}
if (vehicleSound.OtherSound.Id != SoundId::Null)
{
Mixer_Stop_Channel(vehicleSound.OtherSound.Channel);
}
}
}
}
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