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//
//
#include "SoundPlugin.h"
#include "gamesnd/gamesnd.h"
#include "utils/string_utils.h"
using namespace Rocket::Core;
namespace {
struct SoundDefinition {
interface_snd_id default_id;
SCP_unordered_map<SCP_string, interface_snd_id> state_ids;
};
SoundDefinition parse_sound_value(const String& value)
{
SoundDefinition def{};
bool saw_default = false;
for (auto& part : util::split_string(SCP_string(value.CString()), ',')) {
drop_white_space(part);
if (part.find(')') != SCP_string::npos) {
auto state_start = part.find('(');
auto state_end = part.find(')');
if (state_start == SCP_string::npos || state_end == SCP_string::npos) {
throw std::runtime_error("Could not find both '(' and ')' for state sound!");
}
state_start += 1; // skip the (
if (state_start > state_end) {
throw std::runtime_error("')' appeared before '('!");
}
SCP_string state_name = part.substr(state_start, state_end - state_start);
if (state_name.empty()) {
throw std::runtime_error("State name is empty!");
}
auto sound_name = part.substr(state_end + 1);
drop_white_space(sound_name);
auto snd = gamesnd_get_by_iface_name(sound_name.c_str());
if (!snd.isValid()) {
SCP_string error("Sound '");
error += sound_name;
error += "' for state '";
error += state_name;
error += "' is invalid!";
throw std::runtime_error(error);
}
def.state_ids.emplace(state_name, snd);
} else {
if (saw_default) {
throw std::runtime_error("Multiple default sounds specified!");
}
def.default_id = gamesnd_get_by_iface_name(part.c_str());
saw_default = true;
if (!def.default_id.isValid()) {
throw std::runtime_error("Default sound has an invalid name!");
}
}
}
return def;
}
}
namespace scpui {
bool SoundPropertyParser::ParseValue(Property& property, const String& value, const ParameterMap& /*parameters*/) const
{
try {
parse_sound_value(value);
} catch (const std::exception& e) {
mprintf(("libRocket: Failure to parse sound CSS property '%s': %s\n", value.CString(), e.what()));
return false;
}
property.value = Variant(value);
property.unit = Property::STRING;
return true;
}
void SoundPropertyParser::Release() { delete this; }
int SoundPlugin::GetEventClasses() { return EVT_BASIC | EVT_ELEMENT; }
SoundPlugin* SoundPlugin::_instance = nullptr;
SCP_vector<SCP_string> SoundPlugin::_event_types = {"click", "dblclick", "mouseover", "mouseout",
"mouseup", "mousedown", "mousescroll", "scrollchange"};
const SCP_vector<SCP_string>& SoundPlugin::getEventTypes() { return _event_types; }
void SoundPlugin::OnShutdown() { delete this; }
void SoundPlugin::OnElementCreate(Element* element)
{
for (auto& type : getEventTypes()) {
element->AddEventListener(type.c_str(), _event_handler.get());
}
}
void SoundPlugin::OnElementDestroy(Element* /*element*/) {}
SoundPlugin::SoundPlugin()
{
_event_handler.reset(new SoundEventHandler());
_instance = this;
}
SoundPlugin::~SoundPlugin() { _instance = nullptr; }
SoundPlugin* SoundPlugin::instance() { return _instance; }
bool SoundPlugin::PlayElementSound(Element* element, const String& event, const String& state)
{
auto property_name = event + "-sound";
const Property* sound_prop = element->GetProperty(property_name);
if (!(sound_prop->unit & Property::STRING)) {
// sounds are stored as their original string values which are then parsed whenever necessary
return false;
}
auto sound = sound_prop->Get<String>();
try {
auto snds = parse_sound_value(sound);
interface_snd_id sound_id;
if (state.Empty()) {
sound_id = snds.default_id;
} else {
auto snd_iter = snds.state_ids.find(SCP_string(state.CString()));
if (snd_iter == snds.state_ids.end()) {
return false;
}
sound_id = snd_iter->second;
}
// The default sound is optional so this might be invalid
if (!sound_id.isValid()) {
return false;
}
if (event == "scrollchange") {
if (_last_scrollchange_time >= 0) {
auto diff = Rocket::Core::GetSystemInterface()->GetElapsedTime() - _last_scrollchange_time;
if (diff < gamesnd_get_max_duration(gamesnd_get_interface_sound(sound_id)) / 1000.0f * 1.1f) {
return false;
}
}
_last_scrollchange_time = Rocket::Core::GetSystemInterface()->GetElapsedTime();
}
gamesnd_play_iface(sound_id);
return true;
} catch (const std::exception& e) {
mprintf(("libRocket: Failure to parse sound CSS property '%s': %s\n", sound.CString(), e.what()));
return false;
}
}
void SoundPlugin::SoundEventHandler::ProcessEvent(Event& event)
{
// Hover events bubble up so ignore any mouse movement events that aren't caused by the target element
if ((event.GetType() != "mouseover" && event.GetType() != "mouseout") || event.GetPhase() == Event::PHASE_TARGET) {
SoundPlugin::instance()->PlayElementSound(event.GetCurrentElement(), event.GetType());
}
}
} // namespace scpui
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