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input_engine: Avoid redundant map lookups

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We can use iterators to avoid looking up into maps twice in the getter
functions.

At the same time we can also avoid copying the ControllerData structs,
since they're 264 bytes in size.
This commit is contained in:
Lioncash 2021-12-13 09:50:48 -05:00
parent e51b852aee
commit 4d4a234476
1 changed files with 24 additions and 16 deletions
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40
src/input_common/input_engine.cpp
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@ -104,68 +104,76 @@ void InputEngine::SetMotion(const PadIdentifier& identifier, int motion, const B
bool InputEngine::GetButton(const PadIdentifier& identifier, int button) const { bool InputEngine::GetButton(const PadIdentifier& identifier, int button) const {
std::lock_guard lock{mutex}; std::lock_guard lock{mutex};
if (!controller_list.contains(identifier)) { const auto controller_iter = controller_list.find(identifier);
if (controller_iter == controller_list.cend()) {
LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(), LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
identifier.pad, identifier.port); identifier.pad, identifier.port);
return false; return false;
} }
ControllerData controller = controller_list.at(identifier); const ControllerData& controller = controller_iter->second;
if (!controller.buttons.contains(button)) { const auto button_iter = controller.buttons.find(button);
if (button_iter == controller.buttons.cend()) {
LOG_ERROR(Input, "Invalid button {}", button); LOG_ERROR(Input, "Invalid button {}", button);
return false; return false;
} }
return controller.buttons.at(button); return button_iter->second;
} }
bool InputEngine::GetHatButton(const PadIdentifier& identifier, int button, u8 direction) const { bool InputEngine::GetHatButton(const PadIdentifier& identifier, int button, u8 direction) const {
std::lock_guard lock{mutex}; std::lock_guard lock{mutex};
if (!controller_list.contains(identifier)) { const auto controller_iter = controller_list.find(identifier);
if (controller_iter == controller_list.cend()) {
LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(), LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
identifier.pad, identifier.port); identifier.pad, identifier.port);
return false; return false;
} }
ControllerData controller = controller_list.at(identifier); const ControllerData& controller = controller_iter->second;
if (!controller.hat_buttons.contains(button)) { const auto hat_iter = controller.hat_buttons.find(button);
if (hat_iter == controller.hat_buttons.cend()) {
LOG_ERROR(Input, "Invalid hat button {}", button); LOG_ERROR(Input, "Invalid hat button {}", button);
return false; return false;
} }
return (controller.hat_buttons.at(button) & direction) != 0; return (hat_iter->second & direction) != 0;
} }
f32 InputEngine::GetAxis(const PadIdentifier& identifier, int axis) const { f32 InputEngine::GetAxis(const PadIdentifier& identifier, int axis) const {
std::lock_guard lock{mutex}; std::lock_guard lock{mutex};
if (!controller_list.contains(identifier)) { const auto controller_iter = controller_list.find(identifier);
if (controller_iter == controller_list.cend()) {
LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(), LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
identifier.pad, identifier.port); identifier.pad, identifier.port);
return 0.0f; return 0.0f;
} }
ControllerData controller = controller_list.at(identifier); const ControllerData& controller = controller_iter->second;
if (!controller.axes.contains(axis)) { const auto axis_iter = controller.axes.find(axis);
if (axis_iter == controller.axes.cend()) {
LOG_ERROR(Input, "Invalid axis {}", axis); LOG_ERROR(Input, "Invalid axis {}", axis);
return 0.0f; return 0.0f;
} }
return controller.axes.at(axis); return axis_iter->second;
} }
BatteryLevel InputEngine::GetBattery(const PadIdentifier& identifier) const { BatteryLevel InputEngine::GetBattery(const PadIdentifier& identifier) const {
std::lock_guard lock{mutex}; std::lock_guard lock{mutex};
if (!controller_list.contains(identifier)) { const auto controller_iter = controller_list.find(identifier);
if (controller_iter == controller_list.cend()) {
LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(), LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
identifier.pad, identifier.port); identifier.pad, identifier.port);
return BatteryLevel::Charging; return BatteryLevel::Charging;
} }
ControllerData controller = controller_list.at(identifier); const ControllerData& controller = controller_iter->second;
return controller.battery; return controller.battery;
} }
BasicMotion InputEngine::GetMotion(const PadIdentifier& identifier, int motion) const { BasicMotion InputEngine::GetMotion(const PadIdentifier& identifier, int motion) const {
std::lock_guard lock{mutex}; std::lock_guard lock{mutex};
if (!controller_list.contains(identifier)) { const auto controller_iter = controller_list.find(identifier);
if (controller_iter == controller_list.cend()) {
LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(), LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
identifier.pad, identifier.port); identifier.pad, identifier.port);
return {}; return {};
} }
ControllerData controller = controller_list.at(identifier); const ControllerData& controller = controller_iter->second;
return controller.motions.at(motion); return controller.motions.at(motion);
} }