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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "audio/audiostream.h"
#include "audio/mixer.h"
#include "audio/decoders/raw.h"
#include "m4/platform/sound/digi.h"
#include "m4/adv_r/adv_file.h"
#include "m4/core/imath.h"
#include "m4/fileio/extensions.h"
#include "m4/vars.h"
namespace M4 {
namespace Sound {
Digi::~Digi() {
unload_sounds();
}
void Digi::loadFootstepSounds(const char **names) {
if (!_sounds.empty())
unload_sounds();
if (names) {
for (; *names; ++names)
preload(*names, true, NOWHERE);
}
}
void Digi::unload_sounds() {
_mixer->stopAll();
for (auto it = _sounds.begin(); it != _sounds.end(); ++it) {
rtoss(it->_value._filename);
free(it->_value._data);
}
_sounds.clear();
}
bool Digi::preload(const Common::String &name, bool isFootsteps, int roomNum) {
MemHandle workHandle;
int32 assetSize;
if (_sounds.contains(name))
return true;
// Load in the sound
Common::String fileName = expand_name_2_RAW(name, roomNum);
if ((workHandle = rget(fileName, &assetSize)) == nullptr)
error("Could not find sound - %s", fileName.c_str());
HLock(workHandle);
const byte *pSrc = (byte *)*workHandle;
byte *pDest = (byte *)malloc(assetSize);
Common::copy(pSrc, pSrc + assetSize, pDest);
HUnLock(workHandle);
_sounds[name] = DigiEntry(fileName, pDest, assetSize);
_sounds[name]._isFootsteps = isFootsteps;
return false;
}
void Digi::unload(const Common::String &name) {
if (_sounds.contains(name)) {
// Stop it if it's playing
for (int channel = 0; channel < MAX_CHANNELS; ++channel) {
if (_channels[channel]._name == name)
stop(channel, true);
}
// Remove the underlying resource
if (!_sounds[name]._filename.empty() && !_sounds[name]._isFootsteps) {
rtoss(_sounds[name]._filename);
_sounds[name]._filename.clear();
// Delete the sound entry
free(_sounds[name]._data);
_sounds.erase(name);
}
}
}
void Digi::task() {
// No implementation
}
int32 Digi::play(const Common::String &name, uint channel, int32 vol, int32 trigger, int32 room_num) {
return play(name, channel, vol, trigger, room_num, false);
}
int32 Digi::play_loop(const Common::String &name, uint channel, int32 vol, int32 trigger, int32 room_num) {
return play(name, channel, vol, trigger, room_num, true);
}
int32 Digi::play(const Common::String &name, uint channel, int32 vol, int32 trigger, int32 room_num, bool loop) {
assert(channel < 4);
// Assure no prior sound for the channel is playing
stop(channel);
// Load in the new sound
preload(name, false, room_num);
DigiEntry &entry = _sounds[name];
Channel &c = _channels[channel];
// Create new audio stream
Audio::AudioStream *stream = Audio::makeLoopingAudioStream(
Audio::makeRawStream(entry._data, entry._size, 11025, Audio::FLAG_UNSIGNED,
DisposeAfterUse::NO),
loop ? 0 : 1);
_mixer->playStream(Audio::Mixer::kSFXSoundType, &c._soundHandle, stream,
-1, vol);
if (trigger < 0 || trigger > 32767)
trigger = -1;
c._trigger = kernel_trigger_create(trigger);
c._name = name;
return 0;
}
void Digi::playFootsteps() {
// Get a list of the walking sounds
Common::Array<Common::String> names;
for (auto it = _sounds.begin(); it != _sounds.end(); ++it) {
if (it->_value._isFootsteps)
names.push_back(it->_key);
}
if (!names.empty()) {
play(names[imath_ranged_rand(0, (int)names.size() - 1)].c_str(),
1, 100, NO_TRIGGER, GLOBAL_SCENE);
}
}
void Digi::stop(uint channel, bool calledFromUnload) {
assert(channel < 4);
Channel &c = _channels[channel];
if (!c._name.empty()) {
Common::String name = c._name;
_mixer->stopHandle(c._soundHandle);
c._trigger = -1;
c._name.clear();
if (!calledFromUnload) {
digi_unload(name);
}
}
}
void Digi::flush_mem() {
unload_sounds();
}
void Digi::read_another_chunk() {
// For ScummVM, the audio data is completely loaded for each sound. But we still
// need to check whether a sound has finished so it's trigger can be dispatched
for (int channel = 0; channel < MAX_CHANNELS; ++channel) {
Channel &c = _channels[channel];
// Check if the channel has a sound playing that finished
if (c._trigger != -1 && !_mixer->isSoundHandleActive(c._soundHandle)) {
int trigger = c._trigger;
c._trigger = -1;
stop(channel);
// Dispatch the trigger
kernel_trigger_dispatchx(trigger);
}
}
}
bool Digi::play_state(int channel) const {
return _mixer->isSoundHandleActive(_channels[channel]._soundHandle);
}
void Digi::change_volume(int channel, int vol) {
_mixer->setChannelVolume(_channels[channel]._soundHandle, vol);
}
void Digi::set_overall_volume(int vol) {
_mixer->setVolumeForSoundType(Audio::Mixer::kPlainSoundType, vol);
}
int Digi::get_overall_volume() {
return _mixer->getVolumeForSoundType(Audio::Mixer::kPlainSoundType);
}
int32 Digi::ticks_to_play(const char *name, int roomNum) {
// Get the file and retrieve it's size
Common::String filename = expand_name_2_RAW(name, roomNum);
SysFile sf(filename);
double size = sf.size();
sf.close();
term_message(" digi_ticks_to_play");
term_message(" %s", filename.c_str());
term_message(" size = %f, room = %d", size, roomNum);
return (int32)floor(size * 0.000090702946 * 60.0);
}
void Digi::change_panning(int val1, int val2) {
warning("TODO: digi_change_panning");
}
} // namespace Sound
bool digi_preload(const Common::String &name, int roomNum) {
return _G(digi).preload(name, false, roomNum);
}
void digi_unload(const Common::String &name) {
_G(digi).unload(name);
}
int32 digi_play(const char *name, uint channel, int32 vol, int32 trigger, int32 room_num) {
return _G(digi).play(name, channel, vol, trigger, room_num);
}
int32 digi_play_loop(const char *name, uint channel, int32 vol, int32 trigger, int32 room_num) {
return _G(digi).play_loop(name, channel, vol, trigger, room_num);
}
void digi_read_another_chunk() {
return _G(digi).read_another_chunk();
}
void digi_stop(int slot) {
_G(digi).stop(slot);
}
bool digi_play_state(int channel) {
return _G(digi).play_state(channel);
}
void digi_change_volume(int channel, int vol) {
_G(digi).change_volume(channel, vol);
}
void digi_set_overall_volume(int vol) {
_G(digi).set_overall_volume(vol);
}
int digi_get_overall_volume() {
return _G(digi).get_overall_volume();
}
int32 digi_ticks_to_play(const char *name, int roomNum) {
return _G(digi).ticks_to_play(name, roomNum);
}
void digi_change_panning(int val1, int val2) {
_G(digi).change_panning(val1, val2);
}
} // namespace M4
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