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-rw-r--r--src/input_common/input_engine.cpp364
1 files changed, 364 insertions, 0 deletions
diff --git a/src/input_common/input_engine.cpp b/src/input_common/input_engine.cpp
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+++ b/src/input_common/input_engine.cpp
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+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include "common/logging/log.h"
+#include "common/param_package.h"
+#include "input_common/input_engine.h"
+
+namespace InputCommon {
+
+void InputEngine::PreSetController(const PadIdentifier& identifier) {
+ std::lock_guard lock{mutex};
+ if (!controller_list.contains(identifier)) {
+ controller_list.insert_or_assign(identifier, ControllerData{});
+ }
+}
+
+void InputEngine::PreSetButton(const PadIdentifier& identifier, int button) {
+ std::lock_guard lock{mutex};
+ ControllerData& controller = controller_list.at(identifier);
+ if (!controller.buttons.contains(button)) {
+ controller.buttons.insert_or_assign(button, false);
+ }
+}
+
+void InputEngine::PreSetHatButton(const PadIdentifier& identifier, int button) {
+ std::lock_guard lock{mutex};
+ ControllerData& controller = controller_list.at(identifier);
+ if (!controller.hat_buttons.contains(button)) {
+ controller.hat_buttons.insert_or_assign(button, u8{0});
+ }
+}
+
+void InputEngine::PreSetAxis(const PadIdentifier& identifier, int axis) {
+ std::lock_guard lock{mutex};
+ ControllerData& controller = controller_list.at(identifier);
+ if (!controller.axes.contains(axis)) {
+ controller.axes.insert_or_assign(axis, 0.0f);
+ }
+}
+
+void InputEngine::PreSetMotion(const PadIdentifier& identifier, int motion) {
+ std::lock_guard lock{mutex};
+ ControllerData& controller = controller_list.at(identifier);
+ if (!controller.motions.contains(motion)) {
+ controller.motions.insert_or_assign(motion, BasicMotion{});
+ }
+}
+
+void InputEngine::SetButton(const PadIdentifier& identifier, int button, bool value) {
+ {
+ std::lock_guard lock{mutex};
+ ControllerData& controller = controller_list.at(identifier);
+ if (!configuring) {
+ controller.buttons.insert_or_assign(button, value);
+ }
+ }
+ TriggerOnButtonChange(identifier, button, value);
+}
+
+void InputEngine::SetHatButton(const PadIdentifier& identifier, int button, u8 value) {
+ {
+ std::lock_guard lock{mutex};
+ ControllerData& controller = controller_list.at(identifier);
+ if (!configuring) {
+ controller.hat_buttons.insert_or_assign(button, value);
+ }
+ }
+ TriggerOnHatButtonChange(identifier, button, value);
+}
+
+void InputEngine::SetAxis(const PadIdentifier& identifier, int axis, f32 value) {
+ {
+ std::lock_guard lock{mutex};
+ ControllerData& controller = controller_list.at(identifier);
+ if (!configuring) {
+ controller.axes.insert_or_assign(axis, value);
+ }
+ }
+ TriggerOnAxisChange(identifier, axis, value);
+}
+
+void InputEngine::SetBattery(const PadIdentifier& identifier, BatteryLevel value) {
+ {
+ std::lock_guard lock{mutex};
+ ControllerData& controller = controller_list.at(identifier);
+ if (!configuring) {
+ controller.battery = value;
+ }
+ }
+ TriggerOnBatteryChange(identifier, value);
+}
+
+void InputEngine::SetMotion(const PadIdentifier& identifier, int motion, BasicMotion value) {
+ {
+ std::lock_guard lock{mutex};
+ ControllerData& controller = controller_list.at(identifier);
+ if (!configuring) {
+ controller.motions.insert_or_assign(motion, value);
+ }
+ }
+ TriggerOnMotionChange(identifier, motion, value);
+}
+
+bool InputEngine::GetButton(const PadIdentifier& identifier, int button) const {
+ std::lock_guard lock{mutex};
+ if (!controller_list.contains(identifier)) {
+ LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
+ identifier.pad, identifier.port);
+ return false;
+ }
+ ControllerData controller = controller_list.at(identifier);
+ if (!controller.buttons.contains(button)) {
+ LOG_ERROR(Input, "Invalid button {}", button);
+ return false;
+ }
+ return controller.buttons.at(button);
+}
+
+bool InputEngine::GetHatButton(const PadIdentifier& identifier, int button, u8 direction) const {
+ std::lock_guard lock{mutex};
+ if (!controller_list.contains(identifier)) {
+ LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
+ identifier.pad, identifier.port);
+ return false;
+ }
+ ControllerData controller = controller_list.at(identifier);
+ if (!controller.hat_buttons.contains(button)) {
+ LOG_ERROR(Input, "Invalid hat button {}", button);
+ return false;
+ }
+ return (controller.hat_buttons.at(button) & direction) != 0;
+}
+
+f32 InputEngine::GetAxis(const PadIdentifier& identifier, int axis) const {
+ std::lock_guard lock{mutex};
+ if (!controller_list.contains(identifier)) {
+ LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
+ identifier.pad, identifier.port);
+ return 0.0f;
+ }
+ ControllerData controller = controller_list.at(identifier);
+ if (!controller.axes.contains(axis)) {
+ LOG_ERROR(Input, "Invalid axis {}", axis);
+ return 0.0f;
+ }
+ return controller.axes.at(axis);
+}
+
+BatteryLevel InputEngine::GetBattery(const PadIdentifier& identifier) const {
+ std::lock_guard lock{mutex};
+ if (!controller_list.contains(identifier)) {
+ LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
+ identifier.pad, identifier.port);
+ return BatteryLevel::Charging;
+ }
+ ControllerData controller = controller_list.at(identifier);
+ return controller.battery;
+}
+
+BasicMotion InputEngine::GetMotion(const PadIdentifier& identifier, int motion) const {
+ std::lock_guard lock{mutex};
+ if (!controller_list.contains(identifier)) {
+ LOG_ERROR(Input, "Invalid identifier guid={}, pad={}, port={}", identifier.guid.Format(),
+ identifier.pad, identifier.port);
+ return {};
+ }
+ ControllerData controller = controller_list.at(identifier);
+ return controller.motions.at(motion);
+}
+
+void InputEngine::ResetButtonState() {
+ for (std::pair<PadIdentifier, ControllerData> controller : controller_list) {
+ for (std::pair<int, bool> button : controller.second.buttons) {
+ SetButton(controller.first, button.first, false);
+ }
+ for (std::pair<int, bool> button : controller.second.hat_buttons) {
+ SetHatButton(controller.first, button.first, false);
+ }
+ }
+}
+
+void InputEngine::ResetAnalogState() {
+ for (std::pair<PadIdentifier, ControllerData> controller : controller_list) {
+ for (std::pair<int, float> axis : controller.second.axes) {
+ SetAxis(controller.first, axis.first, 0.0);
+ }
+ }
+}
+
+void InputEngine::TriggerOnButtonChange(const PadIdentifier& identifier, int button, bool value) {
+ std::lock_guard lock{mutex_callback};
+ for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+ const InputIdentifier& poller = poller_pair.second;
+ if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Button, button)) {
+ continue;
+ }
+ if (poller.callback.on_change) {
+ poller.callback.on_change();
+ }
+ }
+ if (!configuring || !mapping_callback.on_data) {
+ return;
+ }
+
+ PreSetButton(identifier, button);
+ if (value == GetButton(identifier, button)) {
+ return;
+ }
+ mapping_callback.on_data(MappingData{
+ .engine = GetEngineName(),
+ .pad = identifier,
+ .type = EngineInputType::Button,
+ .index = button,
+ .button_value = value,
+ });
+}
+
+void InputEngine::TriggerOnHatButtonChange(const PadIdentifier& identifier, int button, u8 value) {
+ std::lock_guard lock{mutex_callback};
+ for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+ const InputIdentifier& poller = poller_pair.second;
+ if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::HatButton, button)) {
+ continue;
+ }
+ if (poller.callback.on_change) {
+ poller.callback.on_change();
+ }
+ }
+ if (!configuring || !mapping_callback.on_data) {
+ return;
+ }
+ for (std::size_t index = 1; index < 0xff; index <<= 1) {
+ bool button_value = (value & index) != 0;
+ if (button_value == GetHatButton(identifier, button, static_cast<u8>(index))) {
+ continue;
+ }
+ mapping_callback.on_data(MappingData{
+ .engine = GetEngineName(),
+ .pad = identifier,
+ .type = EngineInputType::HatButton,
+ .index = button,
+ .hat_name = GetHatButtonName(static_cast<u8>(index)),
+ });
+ }
+}
+
+void InputEngine::TriggerOnAxisChange(const PadIdentifier& identifier, int axis, f32 value) {
+ std::lock_guard lock{mutex_callback};
+ for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+ const InputIdentifier& poller = poller_pair.second;
+ if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Analog, axis)) {
+ continue;
+ }
+ if (poller.callback.on_change) {
+ poller.callback.on_change();
+ }
+ }
+ if (!configuring || !mapping_callback.on_data) {
+ return;
+ }
+ if (std::abs(value - GetAxis(identifier, axis)) < 0.5f) {
+ return;
+ }
+ mapping_callback.on_data(MappingData{
+ .engine = GetEngineName(),
+ .pad = identifier,
+ .type = EngineInputType::Analog,
+ .index = axis,
+ .axis_value = value,
+ });
+}
+
+void InputEngine::TriggerOnBatteryChange(const PadIdentifier& identifier,
+ [[maybe_unused]] BatteryLevel value) {
+ std::lock_guard lock{mutex_callback};
+ for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+ const InputIdentifier& poller = poller_pair.second;
+ if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Battery, 0)) {
+ continue;
+ }
+ if (poller.callback.on_change) {
+ poller.callback.on_change();
+ }
+ }
+}
+
+void InputEngine::TriggerOnMotionChange(const PadIdentifier& identifier, int motion,
+ BasicMotion value) {
+ std::lock_guard lock{mutex_callback};
+ for (const std::pair<int, InputIdentifier> poller_pair : callback_list) {
+ const InputIdentifier& poller = poller_pair.second;
+ if (!IsInputIdentifierEqual(poller, identifier, EngineInputType::Motion, motion)) {
+ continue;
+ }
+ if (poller.callback.on_change) {
+ poller.callback.on_change();
+ }
+ }
+ if (!configuring || !mapping_callback.on_data) {
+ return;
+ }
+ if (std::abs(value.gyro_x) < 0.6f && std::abs(value.gyro_y) < 0.6f &&
+ std::abs(value.gyro_z) < 0.6f) {
+ return;
+ }
+ mapping_callback.on_data(MappingData{
+ .engine = GetEngineName(),
+ .pad = identifier,
+ .type = EngineInputType::Motion,
+ .index = motion,
+ .motion_value = value,
+ });
+}
+
+bool InputEngine::IsInputIdentifierEqual(const InputIdentifier& input_identifier,
+ const PadIdentifier& identifier, EngineInputType type,
+ int index) const {
+ if (input_identifier.type != type) {
+ return false;
+ }
+ if (input_identifier.index != index) {
+ return false;
+ }
+ if (input_identifier.identifier != identifier) {
+ return false;
+ }
+ return true;
+}
+
+void InputEngine::BeginConfiguration() {
+ configuring = true;
+}
+
+void InputEngine::EndConfiguration() {
+ configuring = false;
+}
+
+const std::string& InputEngine::GetEngineName() const {
+ return input_engine;
+}
+
+int InputEngine::SetCallback(InputIdentifier input_identifier) {
+ std::lock_guard lock{mutex_callback};
+ callback_list.insert_or_assign(last_callback_key, input_identifier);
+ return last_callback_key++;
+}
+
+void InputEngine::SetMappingCallback(MappingCallback callback) {
+ std::lock_guard lock{mutex_callback};
+ mapping_callback = std::move(callback);
+}
+
+void InputEngine::DeleteCallback(int key) {
+ std::lock_guard lock{mutex_callback};
+ const auto& iterator = callback_list.find(key);
+ if (iterator == callback_list.end()) {
+ LOG_ERROR(Input, "Tried to delete non-existent callback {}", key);
+ return;
+ }
+ callback_list.erase(iterator);
+}
+
+} // namespace InputCommon