💫 (activity): Add EmotionRecognition activity

libs/ActivityKit/CMakeLists.txt

@@ -19,6 +19,7 @@ target_sources(ActivityKit
 	source/activities/PictoColorRecognition.cpp
 	source/activities/LedColorRecognition.cpp
 	source/activities/ChooseReinforcer.cpp
+	source/activities/EmotionRecognition.cpp
 )
 
 target_link_libraries(ActivityKit

libs/ActivityKit/include/activities/EmotionRecognition.h

@@ -0,0 +1,49 @@
+// Leka - LekaOS
+// Copyright 2022 APF France handicap
+// SPDX-License-Identifier: Apache-2.0
+
+#pragma once
+
+// LCOV_EXCL_START
+
+#include <optional>
+
+#include "RFIDKit.h"
+#include "ReinforcerKit.h"
+#include "include/Emotion.h"
+#include "interface/Activity.h"
+#include "interface/libs/VideoKit.h"
+
+namespace leka::activity {
+
+class EmotionRecognition : public interface::Activity
+{
+  public:
+	explicit EmotionRecognition(RFIDKit &rfidkit, interface::VideoKit &videokit, ReinforcerKit &reinforcerkit)
+		: _rfidkit(rfidkit), _videokit(videokit), _reinforcerkit(reinforcerkit) {};
+
+	void start() final;
+	void stop() final;
+
+  private:
+	void processCard(const MagicCard &card);
+	void launchNextRound();
+
+	RFIDKit &_rfidkit;
+	interface::VideoKit &_videokit;
+	ReinforcerKit &_reinforcerkit;
+
+	static constexpr uint8_t kRoundsNumber		  = 10;
+	static constexpr uint8_t kSizeOfEmotionsTable = 5 * 2;
+
+	uint8_t _current_round = 0;
+	std::optional<Emotion> _current_emotion {};
+	std::function<void(const MagicCard &)> _backup_callback {};
+	std::array<Emotion, kSizeOfEmotionsTable> _emotions = {
+		Emotion::anger, Emotion::anger,	  Emotion::fear,	Emotion::fear,	  Emotion::joy,
+		Emotion::joy,	Emotion::sadness, Emotion::sadness, Emotion::disgust, Emotion::disgust};
+};
+
+}	// namespace leka::activity
+
+// LCOV_EXCL_STOP

libs/ActivityKit/source/activities/EmotionRecognition.cpp

@@ -0,0 +1,56 @@
+// Leka - LekaOS
+// Copyright 2022 APF France handicap
+// SPDX-License-Identifier: Apache-2.0
+
+// LCOV_EXCL_START
+
+#include "EmotionRecognition.h"
+#include <random>
+
+namespace leka::activity {
+
+void EmotionRecognition::start()
+{
+	_current_round	 = 0;
+	_current_emotion = {};
+
+	_backup_callback = _rfidkit.getCallback();
+	std::shuffle(_emotions.begin(), _emotions.end(), std::mt19937(static_cast<unsigned int>(time(nullptr))));
+	launchNextRound();
+
+	_rfidkit.onTagActivated([this](const MagicCard &card) { processCard(card); });
+}
+
+void EmotionRecognition::stop()
+{
+	_rfidkit.onTagActivated(_backup_callback);
+}
+
+void EmotionRecognition::processCard(const MagicCard &card)
+{
+	if (card == std::get<0>(_current_emotion->cards) || card == std::get<1>(_current_emotion->cards)) {
+		_reinforcerkit.playDefault();
+		++_current_round;
+
+		if (_current_round == kRoundsNumber) {
+			_backup_callback(MagicCard::dice_roll);
+			return;
+		}
+
+		launchNextRound();
+	} else {
+		_backup_callback(card);
+	}
+}
+
+void EmotionRecognition::launchNextRound()
+{
+	_current_emotion = _emotions.at(_current_round);
+
+	auto full_path = "/fs/home/img/id/" + std::string(_current_emotion->id) + ".jpg";
+	_videokit.displayImage(full_path);
+}
+
+}	// namespace leka::activity
+
+// LCOV_EXCL_STOP