Add laser_tag from https://github.com/RocketGod-git/Flipper-Zero-Laser-Tag

git-subtree-dir: laser_tag
git-subtree-mainline: 54d7fe3eeb649aa1b22872659d7c5a0037f73b3c
git-subtree-split: 0cece4d6f39ff8f4c7ffe9e8b47d23f1f014c39d

laser_tag/.gitattributes

@@ -0,0 +1,2 @@
+# Auto detect text files and perform LF normalization
+* text=auto

laser_tag/.gitignore

@@ -0,0 +1,7 @@
+dist/*
+.vscode
+.clang-format
+.clangd
+.editorconfig
+.env
+.ufbt

laser_tag/.gitsubtree

@@ -0,0 +1 @@
+https://github.com/RocketGod-git/Flipper-Zero-Laser-Tag main /

laser_tag/LICENSE

@@ -0,0 +1,674 @@
+GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
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+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    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 <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

laser_tag/README.md

@@ -0,0 +1,34 @@
+# Flipper-Zero-Laser-Tag
+
+## 🚀 Flipper Zero Laser Tag - Team based
+
+Flipper Zero Laser Tag brings your favorite laser tag experience to your Flipper Zero device! Whether you’re battling friends or just practicing your aim, this open-source project lets you dominate the laser tag arena with just your Flipper Zero.
+
+### ⚡ Key Features:
+
+- **Team Battles**: Choose your team and face off in epic Red vs. Blue laser battles.
+- **Real-Time Gameplay**: Smooth and responsive laser firing and hit detection.
+- **Immersive Sound**: Laser firing and game-over sounds to enhance your battlefield experience.
+- **Dynamic Health and Ammo Bars**: Keep track of your health and ammo with clean, dynamic UI elements.
+- **Vibration Feedback**: Feel every hit with integrated vibration feedback.
+
+## 📸 Screenshots
+
+![Screenshot-20240823-224628](https://github.com/user-attachments/assets/5836ee25-23ce-4845-b342-2b360e32e341)
+![Screenshot-20240823-224637](https://github.com/user-attachments/assets/119e8e80-49fc-421a-bc61-ec7185d05bc0)
+![Screenshot-20240823-224640](https://github.com/user-attachments/assets/7a9bdb69-42fe-48d7-9e5f-7616e2f68d10)
+![Screenshot-20240823-224647](https://github.com/user-attachments/assets/d5e10e1b-64a5-4a72-a624-2cfe2237add5)
+
+## 🕹️ How to Play
+
+1. **Select Your Team**: Use the Left or Right button to choose between Red or Blue team.
+2. **Fire Your Laser**: Press the OK button to shoot your laser at your opponents.
+3. **Reload**: When your ammo runs out, press 'Down' to reload and get back into action.
+4. **Survive**: Track your health, and make sure to avoid getting hit by your opponents' lasers. If your health reaches zero, it's game over!
+
+## 🤔 ToDo: 
+
+- Allow RFID tags to be scanned with Flipper to add health or other powerups so they can be placed around the play field. 
+- Possibly tap teammates Flipper to increase their health.
+
+![rocketgod_logo](https://github.com/RocketGod-git/shodanbot/assets/57732082/7929b554-0fba-4c2b-b22d-6772d23c4a18)

laser_tag/application.fam

@@ -0,0 +1,20 @@
+App(
+    appid="laser_tag",
+    name="Laser Tag",
+    apptype=FlipperAppType.EXTERNAL,
+    entry_point="laser_tag_app",
+    cdefines=["APP_LASER_TAG"],
+    fap_category="Games",
+    fap_author="@RocketGod-git & @jamisonderek",
+    fap_version="1.0",
+    fap_description="Laser Tag game for Flipper Zero",
+    fap_icon="icons/laser_tag_10px.png",
+    fap_libs=["assets"],
+    fap_weburl="https://github.com/RocketGod-Git/Flipper-Zero-Laser-Tag",
+    requires=[
+        "gui",
+        "infrared",
+    ],
+    stack_size=2 * 1024,
+    order=10,
+)

laser_tag/docs/CHANGELOG.md

@@ -0,0 +1,3 @@
+## v1.0
+
+- Initial release.

laser_tag/docs/README.md

@@ -0,0 +1,25 @@
+# Flipper-Zero-Laser-Tag
+
+## Laser Tag for Flipper Zero - Team Based!
+
+Flipper Zero Laser Tag brings your favorite laser tag experience to your Flipper Zero device! Whether you’re battling friends or just practicing your aim, this open-source project lets you dominate the laser tag arena with just your Flipper Zero.
+
+## Key Features:
+
+- **Team Battles**: Choose your team and face off in epic Red vs. Blue laser battles.
+- **Real-Time Gameplay**: Smooth and responsive laser firing and hit detection.
+- **Immersive Sound**: Laser firing and game-over sounds to enhance your battlefield experience.
+- **Dynamic Health and Ammo Bars**: Keep track of your health and ammo with clean, dynamic UI elements.
+- **Vibration Feedback**: Feel every hit with integrated vibration feedback.
+
+## How to Play
+
+1. **Select Your Team**: Use the Left or Right button to choose between Red or Blue team.
+2. **Fire Your Laser**: Press the OK button to shoot your laser at your opponents.
+3. **Reload**: When your ammo runs out, press 'Down' to reload and get back into action.
+4. **Survive**: Track your health, and make sure to avoid getting hit by your opponents' lasers. If your health reaches zero, it's game over!
+
+## ToDo: 
+
+- Allow RFID tags to be scanned with Flipper to add health or other powerups so they can be placed around the play field. 
+- Possibly tap teammates Flipper to increase their health.

laser_tag/game_state.c

@@ -0,0 +1,113 @@
+#include "game_state.h"
+#include <furi.h>
+#include <stdlib.h>
+
+struct GameState {
+    LaserTagTeam team;
+    uint8_t health;
+    uint16_t ammo;
+    uint32_t game_time;
+    bool game_over;
+};
+
+GameState* game_state_alloc() {
+    GameState* state = malloc(sizeof(GameState));
+    if(!state) {
+        FURI_LOG_E("GameState", "Failed to allocate GameState");
+        return NULL;
+    }
+    state->team = TeamRed;
+    state->health = INITIAL_HEALTH;
+    state->ammo = INITIAL_AMMO;
+    state->game_time = 0;
+    state->game_over = false;
+    FURI_LOG_I("GameState", "GameState allocated successfully");
+    return state;
+}
+
+void game_state_reset(GameState* state) {
+    furi_assert(state);
+    state->health = INITIAL_HEALTH;
+    state->ammo = INITIAL_AMMO;
+    state->game_time = 0;
+    state->game_over = false;
+    FURI_LOG_I("GameState", "GameState reset");
+}
+
+void game_state_set_team(GameState* state, LaserTagTeam team) {
+    furi_assert(state);
+    state->team = team;
+    FURI_LOG_I("GameState", "Team set to %s", (team == TeamRed) ? "Red" : "Blue");
+}
+
+LaserTagTeam game_state_get_team(GameState* state) {
+    furi_assert(state);
+    return state->team;
+}
+
+void game_state_decrease_health(GameState* state, uint8_t amount) {
+    furi_assert(state);
+    if(state->health > amount) {
+        state->health -= amount;
+    } else {
+        state->health = 0;
+        state->game_over = true;
+        FURI_LOG_W("GameState", "Health depleted, game over");
+    }
+    FURI_LOG_I("GameState", "Health decreased to %d", state->health);
+}
+
+void game_state_increase_health(GameState* state, uint8_t amount) {
+    furi_assert(state);
+    state->health = (state->health + amount > MAX_HEALTH) ? MAX_HEALTH : state->health + amount;
+    FURI_LOG_I("GameState", "Health increased to %d", state->health);
+}
+
+uint8_t game_state_get_health(GameState* state) {
+    furi_assert(state);
+    return state->health;
+}
+
+void game_state_decrease_ammo(GameState* state, uint16_t amount) {
+    furi_assert(state);
+    if(state->ammo > amount) {
+        state->ammo -= amount;
+    } else {
+        state->ammo = 0;
+        FURI_LOG_W("GameState", "Ammo depleted");
+    }
+    FURI_LOG_I("GameState", "Ammo decreased to %d", state->ammo);
+}
+
+void game_state_increase_ammo(GameState* state, uint16_t amount) {
+    furi_assert(state);
+    state->ammo += amount;
+    FURI_LOG_I("GameState", "Ammo increased to %d", state->ammo);
+}
+
+uint16_t game_state_get_ammo(GameState* state) {
+    furi_assert(state);
+    return state->ammo;
+}
+
+void game_state_update_time(GameState* state, uint32_t delta_time) {
+    furi_assert(state);
+    state->game_time += delta_time;
+    FURI_LOG_I("GameState", "Game time updated to %ld seconds", state->game_time);
+}
+
+uint32_t game_state_get_time(GameState* state) {
+    furi_assert(state);
+    return state->game_time;
+}
+
+bool game_state_is_game_over(GameState* state) {
+    furi_assert(state);
+    return state->game_over;
+}
+
+void game_state_set_game_over(GameState* state, bool game_over) {
+    furi_assert(state);
+    state->game_over = game_over;
+    FURI_LOG_I("GameState", "Game over status set to %s", game_over ? "true" : "false");
+}

laser_tag/game_state.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef enum {
+    TeamRed,
+    TeamBlue
+} LaserTagTeam;
+
+typedef enum {
+    LaserTagStateSplashScreen,
+    LaserTagStateTeamSelect,
+    LaserTagStateGame,
+    LaserTagStateGameOver,
+} LaserTagState;
+
+typedef struct GameState GameState;
+
+GameState* game_state_alloc();
+void game_state_reset(GameState* state);
+
+void game_state_set_team(GameState* state, LaserTagTeam team);
+LaserTagTeam game_state_get_team(GameState* state);
+
+void game_state_decrease_health(GameState* state, uint8_t amount);
+void game_state_increase_health(GameState* state, uint8_t amount);
+uint8_t game_state_get_health(GameState* state);
+
+void game_state_decrease_ammo(GameState* state, uint16_t amount);
+void game_state_increase_ammo(GameState* state, uint16_t amount);
+uint16_t game_state_get_ammo(GameState* state);
+
+void game_state_update_time(GameState* state, uint32_t delta_time);
+uint32_t game_state_get_time(GameState* state);
+
+bool game_state_is_game_over(GameState* state);
+void game_state_set_game_over(GameState* state, bool game_over);
+
+#define INITIAL_HEALTH 100
+#define INITIAL_AMMO   100
+#define MAX_HEALTH     100

laser_tag/infrared_controller.c

@@ -0,0 +1,189 @@
+#include "infrared_controller.h"
+#include <furi.h>
+#include <infrared_worker.h>
+#include <infrared_signal.h>
+#include <notification/notification_messages.h>
+
+#define TAG "InfraredController"
+
+const NotificationSequence sequence_hit = {
+    &message_vibro_on,
+    &message_note_d4,
+    &message_delay_1000,
+    &message_vibro_off,
+    &message_sound_off,
+    NULL,
+};
+
+struct InfraredController {
+    LaserTagTeam team;
+    InfraredWorker* worker;
+    bool worker_rx_active;
+    InfraredSignal* signal;
+    NotificationApp* notification;
+    bool hit_received;
+    bool processing_signal;
+};
+
+static void infrared_rx_callback(void* context, InfraredWorkerSignal* received_signal) {
+    FURI_LOG_I(TAG, "RX callback triggered");
+
+    InfraredController* controller = (InfraredController*)context;
+    if(controller->processing_signal) {
+        FURI_LOG_W(TAG, "Already processing a signal, skipping callback");
+        return;
+    }
+
+    controller->processing_signal = true;
+
+    if(!received_signal) {
+        FURI_LOG_E(TAG, "Received signal is NULL");
+        controller->processing_signal = false;
+        return;
+    }
+
+    const InfraredMessage* message = infrared_worker_get_decoded_signal(received_signal);
+    FURI_LOG_I(TAG, "Received signal - signal address: %p", (void*)received_signal);
+
+    if(message) {
+        FURI_LOG_I(
+            TAG,
+            "Received message: protocol=%d, address=0x%lx, command=0x%lx",
+            message->protocol,
+            (unsigned long)message->address,
+            (unsigned long)message->command);
+
+        if((controller->team == TeamRed && message->command == IR_COMMAND_BLUE_TEAM) ||
+           (controller->team == TeamBlue && message->command == IR_COMMAND_RED_TEAM)) {
+            controller->hit_received = true;
+            FURI_LOG_I(
+                TAG, "Hit detected for team: %s", controller->team == TeamRed ? "Red" : "Blue");
+            notification_message_block(controller->notification, &sequence_hit);
+        }
+    } else {
+        FURI_LOG_W(TAG, "RX callback received NULL message");
+    }
+
+    FURI_LOG_I(TAG, "RX callback completed");
+    controller->processing_signal = false;
+}
+
+InfraredController* infrared_controller_alloc() {
+    FURI_LOG_I(TAG, "Allocating InfraredController");
+
+    InfraredController* controller = malloc(sizeof(InfraredController));
+    if(!controller) {
+        FURI_LOG_E(TAG, "Failed to allocate InfraredController");
+        return NULL;
+    }
+
+    controller->team = TeamRed;
+    controller->worker = infrared_worker_alloc();
+    controller->signal = infrared_signal_alloc();
+    controller->notification = furi_record_open(RECORD_NOTIFICATION);
+    controller->hit_received = false;
+    controller->processing_signal = false;
+
+    if(controller->worker && controller->signal && controller->notification) {
+        FURI_LOG_I(
+            TAG, "InfraredWorker, InfraredSignal, and NotificationApp allocated successfully");
+    } else {
+        FURI_LOG_E(TAG, "Failed to allocate resources");
+        free(controller);
+        return NULL;
+    }
+
+    FURI_LOG_I(TAG, "Setting up RX callback");
+    infrared_worker_rx_set_received_signal_callback(
+        controller->worker, infrared_rx_callback, controller);
+
+    FURI_LOG_I(TAG, "InfraredController allocated successfully");
+    return controller;
+}
+
+void infrared_controller_free(InfraredController* controller) {
+    FURI_LOG_I(TAG, "Freeing InfraredController");
+
+    if(controller) {
+        if(controller->worker_rx_active) {
+            FURI_LOG_I(TAG, "Stopping RX worker");
+            infrared_worker_rx_stop(controller->worker);
+        }
+
+        FURI_LOG_I(TAG, "Freeing InfraredWorker and InfraredSignal");
+        infrared_worker_free(controller->worker);
+        infrared_signal_free(controller->signal);
+
+        FURI_LOG_I(TAG, "Closing NotificationApp");
+        furi_record_close(RECORD_NOTIFICATION);
+
+        free(controller);
+
+        FURI_LOG_I(TAG, "InfraredController freed successfully");
+    } else {
+        FURI_LOG_W(TAG, "Attempted to free NULL InfraredController");
+    }
+}
+
+void infrared_controller_set_team(InfraredController* controller, LaserTagTeam team) {
+    FURI_LOG_I(TAG, "Setting team to %s", team == TeamRed ? "Red" : "Blue");
+    controller->team = team;
+}
+
+void infrared_controller_send(InfraredController* controller) {
+    FURI_LOG_I(TAG, "Preparing to send infrared signal");
+
+    InfraredMessage message = {
+        .protocol = InfraredProtocolNEC,
+        .address = 0x42,
+        .command = (controller->team == TeamRed) ? IR_COMMAND_RED_TEAM : IR_COMMAND_BLUE_TEAM};
+
+    FURI_LOG_I(
+        TAG,
+        "Prepared message: protocol=%d, address=0x%lx, command=0x%lx",
+        message.protocol,
+        (unsigned long)message.address,
+        (unsigned long)message.command);
+
+    if(controller->worker_rx_active) {
+        FURI_LOG_I(TAG, "Stopping RX worker");
+        infrared_worker_rx_stop(controller->worker);
+        controller->worker_rx_active = false;
+    }
+
+    FURI_LOG_I(TAG, "Setting message for infrared signal");
+    infrared_signal_set_message(controller->signal, &message);
+
+    FURI_LOG_I(TAG, "Starting infrared signal transmission");
+    infrared_signal_transmit(controller->signal);
+
+    if(!controller->worker_rx_active) {
+        infrared_worker_rx_start(controller->worker);
+        controller->worker_rx_active = true;
+    }
+
+    FURI_LOG_I(TAG, "Infrared signal transmission completed");
+}
+
+bool infrared_controller_receive(InfraredController* controller) {
+    FURI_LOG_I(TAG, "Starting infrared signal reception");
+
+    if(controller->processing_signal) {
+        FURI_LOG_W(TAG, "Cannot start reception, another signal is still being processed");
+        return false;
+    }
+
+    if(!controller->worker_rx_active) {
+        infrared_worker_rx_start(controller->worker);
+        controller->worker_rx_active = true;
+        furi_delay_ms(250);
+    }
+
+    bool hit = controller->hit_received;
+
+    FURI_LOG_I(TAG, "Signal reception complete, hit received: %s", hit ? "true" : "false");
+
+    controller->hit_received = false;
+
+    return hit;
+}

laser_tag/infrared_controller.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <stdbool.h>
+#include "game_state.h"
+
+typedef struct InfraredController InfraredController;
+
+InfraredController* infrared_controller_alloc();
+void infrared_controller_free(InfraredController* controller);
+void infrared_controller_set_team(InfraredController* controller, LaserTagTeam team);
+void infrared_controller_send(InfraredController* controller);
+bool infrared_controller_receive(InfraredController* controller);
+
+#define IR_COMMAND_RED_TEAM  0xA1
+#define IR_COMMAND_BLUE_TEAM 0xB2

laser_tag/infrared_signal.c

@@ -0,0 +1,350 @@
+#include "infrared_signal.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <core/check.h>
+#include <infrared_worker.h>
+#include <infrared_transmit.h>
+
+#define TAG "InfraredSignal"
+
+// Common keys
+#define INFRARED_SIGNAL_NAME_KEY "name"
+#define INFRARED_SIGNAL_TYPE_KEY "type"
+
+// Type key values
+#define INFRARED_SIGNAL_TYPE_RAW    "raw"
+#define INFRARED_SIGNAL_TYPE_PARSED "parsed"
+
+// Raw signal keys
+#define INFRARED_SIGNAL_DATA_KEY       "data"
+#define INFRARED_SIGNAL_FREQUENCY_KEY  "frequency"
+#define INFRARED_SIGNAL_DUTY_CYCLE_KEY "duty_cycle"
+
+// Parsed signal keys
+#define INFRARED_SIGNAL_PROTOCOL_KEY "protocol"
+#define INFRARED_SIGNAL_ADDRESS_KEY  "address"
+#define INFRARED_SIGNAL_COMMAND_KEY  "command"
+
+struct InfraredSignal {
+    bool is_raw;
+    union {
+        InfraredMessage message;
+        InfraredRawSignal raw;
+    } payload;
+};
+
+static void infrared_signal_clear_timings(InfraredSignal* signal) {
+    if(signal->is_raw) {
+        free(signal->payload.raw.timings);
+        signal->payload.raw.timings_size = 0;
+        signal->payload.raw.timings = NULL;
+    }
+}
+
+static bool infrared_signal_is_message_valid(const InfraredMessage* message) {
+    if(!infrared_is_protocol_valid(message->protocol)) {
+        FURI_LOG_E(TAG, "Unknown protocol");
+        return false;
+    }
+
+    uint32_t address_length = infrared_get_protocol_address_length(message->protocol);
+    uint32_t address_mask = (1UL << address_length) - 1;
+
+    if(message->address != (message->address & address_mask)) {
+        FURI_LOG_E(
+            TAG,
+            "Address is out of range (mask 0x%08lX): 0x%lX\r\n",
+            address_mask,
+            message->address);
+        return false;
+    }
+
+    uint32_t command_length = infrared_get_protocol_command_length(message->protocol);
+    uint32_t command_mask = (1UL << command_length) - 1;
+
+    if(message->command != (message->command & command_mask)) {
+        FURI_LOG_E(
+            TAG,
+            "Command is out of range (mask 0x%08lX): 0x%lX\r\n",
+            command_mask,
+            message->command);
+        return false;
+    }
+
+    return true;
+}
+
+static bool infrared_signal_is_raw_valid(const InfraredRawSignal* raw) {
+    if((raw->frequency > INFRARED_MAX_FREQUENCY) || (raw->frequency < INFRARED_MIN_FREQUENCY)) {
+        FURI_LOG_E(
+            TAG,
+            "Frequency is out of range (%X - %X): %lX",
+            INFRARED_MIN_FREQUENCY,
+            INFRARED_MAX_FREQUENCY,
+            raw->frequency);
+        return false;
+
+    } else if((raw->duty_cycle <= 0) || (raw->duty_cycle > 1)) {
+        FURI_LOG_E(TAG, "Duty cycle is out of range (0 - 1): %f", (double)raw->duty_cycle);
+        return false;
+
+    } else if((raw->timings_size <= 0) || (raw->timings_size > MAX_TIMINGS_AMOUNT)) {
+        FURI_LOG_E(
+            TAG,
+            "Timings amount is out of range (0 - %X): %zX",
+            MAX_TIMINGS_AMOUNT,
+            raw->timings_size);
+        return false;
+    }
+
+    return true;
+}
+
+static inline bool
+    infrared_signal_save_message(const InfraredMessage* message, FlipperFormat* ff) {
+    const char* protocol_name = infrared_get_protocol_name(message->protocol);
+    return flipper_format_write_string_cstr(
+               ff, INFRARED_SIGNAL_TYPE_KEY, INFRARED_SIGNAL_TYPE_PARSED) &&
+           flipper_format_write_string_cstr(ff, INFRARED_SIGNAL_PROTOCOL_KEY, protocol_name) &&
+           flipper_format_write_hex(
+               ff, INFRARED_SIGNAL_ADDRESS_KEY, (uint8_t*)&message->address, 4) &&
+           flipper_format_write_hex(
+               ff, INFRARED_SIGNAL_COMMAND_KEY, (uint8_t*)&message->command, 4);
+}
+
+static inline bool infrared_signal_save_raw(const InfraredRawSignal* raw, FlipperFormat* ff) {
+    furi_assert(raw->timings_size <= MAX_TIMINGS_AMOUNT);
+    return flipper_format_write_string_cstr(
+               ff, INFRARED_SIGNAL_TYPE_KEY, INFRARED_SIGNAL_TYPE_RAW) &&
+           flipper_format_write_uint32(ff, INFRARED_SIGNAL_FREQUENCY_KEY, &raw->frequency, 1) &&
+           flipper_format_write_float(ff, INFRARED_SIGNAL_DUTY_CYCLE_KEY, &raw->duty_cycle, 1) &&
+           flipper_format_write_uint32(
+               ff, INFRARED_SIGNAL_DATA_KEY, raw->timings, raw->timings_size);
+}
+
+static inline bool infrared_signal_read_message(InfraredSignal* signal, FlipperFormat* ff) {
+    FuriString* buf;
+    buf = furi_string_alloc();
+    bool success = false;
+
+    do {
+        if(!flipper_format_read_string(ff, INFRARED_SIGNAL_PROTOCOL_KEY, buf)) break;
+
+        InfraredMessage message;
+        message.protocol = infrared_get_protocol_by_name(furi_string_get_cstr(buf));
+
+        if(!flipper_format_read_hex(ff, INFRARED_SIGNAL_ADDRESS_KEY, (uint8_t*)&message.address, 4))
+            break;
+        if(!flipper_format_read_hex(ff, INFRARED_SIGNAL_COMMAND_KEY, (uint8_t*)&message.command, 4))
+            break;
+        if(!infrared_signal_is_message_valid(&message)) break;
+
+        infrared_signal_set_message(signal, &message);
+        success = true;
+    } while(false);
+
+    furi_string_free(buf);
+    return success;
+}
+
+static inline bool infrared_signal_read_raw(InfraredSignal* signal, FlipperFormat* ff) {
+    bool success = false;
+
+    do {
+        uint32_t frequency;
+        if(!flipper_format_read_uint32(ff, INFRARED_SIGNAL_FREQUENCY_KEY, &frequency, 1)) break;
+
+        float duty_cycle;
+        if(!flipper_format_read_float(ff, INFRARED_SIGNAL_DUTY_CYCLE_KEY, &duty_cycle, 1)) break;
+
+        uint32_t timings_size;
+        if(!flipper_format_get_value_count(ff, INFRARED_SIGNAL_DATA_KEY, &timings_size)) break;
+
+        if(timings_size > MAX_TIMINGS_AMOUNT) break;
+
+        uint32_t* timings = malloc(sizeof(uint32_t) * timings_size);
+        if(!flipper_format_read_uint32(ff, INFRARED_SIGNAL_DATA_KEY, timings, timings_size)) {
+            free(timings);
+            break;
+        }
+        infrared_signal_set_raw_signal(signal, timings, timings_size, frequency, duty_cycle);
+        free(timings);
+
+        success = true;
+    } while(false);
+
+    return success;
+}
+
+bool infrared_signal_read_body(InfraredSignal* signal, FlipperFormat* ff) {
+    FuriString* tmp = furi_string_alloc();
+
+    bool success = false;
+
+    do {
+        if(!flipper_format_read_string(ff, INFRARED_SIGNAL_TYPE_KEY, tmp)) break;
+
+        if(furi_string_equal(tmp, INFRARED_SIGNAL_TYPE_RAW)) {
+            if(!infrared_signal_read_raw(signal, ff)) break;
+        } else if(furi_string_equal(tmp, INFRARED_SIGNAL_TYPE_PARSED)) {
+            if(!infrared_signal_read_message(signal, ff)) break;
+        } else {
+            FURI_LOG_E(TAG, "Unknown signal type: %s", furi_string_get_cstr(tmp));
+            break;
+        }
+
+        success = true;
+    } while(false);
+
+    furi_string_free(tmp);
+    return success;
+}
+
+InfraredSignal* infrared_signal_alloc() {
+    InfraredSignal* signal = malloc(sizeof(InfraredSignal));
+
+    signal->is_raw = false;
+    signal->payload.message.protocol = InfraredProtocolUnknown;
+
+    return signal;
+}
+
+void infrared_signal_free(InfraredSignal* signal) {
+    infrared_signal_clear_timings(signal);
+    free(signal);
+}
+
+bool infrared_signal_is_raw(const InfraredSignal* signal) {
+    return signal->is_raw;
+}
+
+bool infrared_signal_is_valid(const InfraredSignal* signal) {
+    return signal->is_raw ? infrared_signal_is_raw_valid(&signal->payload.raw) :
+                            infrared_signal_is_message_valid(&signal->payload.message);
+}
+
+void infrared_signal_set_signal(InfraredSignal* signal, const InfraredSignal* other) {
+    if(other->is_raw) {
+        const InfraredRawSignal* raw = &other->payload.raw;
+        infrared_signal_set_raw_signal(
+            signal, raw->timings, raw->timings_size, raw->frequency, raw->duty_cycle);
+    } else {
+        const InfraredMessage* message = &other->payload.message;
+        infrared_signal_set_message(signal, message);
+    }
+}
+
+void infrared_signal_set_raw_signal(
+    InfraredSignal* signal,
+    const uint32_t* timings,
+    size_t timings_size,
+    uint32_t frequency,
+    float duty_cycle) {
+    infrared_signal_clear_timings(signal);
+
+    signal->is_raw = true;
+
+    signal->payload.raw.timings_size = timings_size;
+    signal->payload.raw.frequency = frequency;
+    signal->payload.raw.duty_cycle = duty_cycle;
+
+    signal->payload.raw.timings = malloc(timings_size * sizeof(uint32_t));
+    memcpy(signal->payload.raw.timings, timings, timings_size * sizeof(uint32_t));
+}
+
+const InfraredRawSignal* infrared_signal_get_raw_signal(const InfraredSignal* signal) {
+    furi_assert(signal->is_raw);
+    return &signal->payload.raw;
+}
+
+void infrared_signal_set_message(InfraredSignal* signal, const InfraredMessage* message) {
+    infrared_signal_clear_timings(signal);
+
+    signal->is_raw = false;
+    signal->payload.message = *message;
+}
+
+const InfraredMessage* infrared_signal_get_message(const InfraredSignal* signal) {
+    furi_assert(!signal->is_raw);
+    return &signal->payload.message;
+}
+
+bool infrared_signal_save(const InfraredSignal* signal, FlipperFormat* ff, const char* name) {
+    if(!flipper_format_write_comment_cstr(ff, "") ||
+       !flipper_format_write_string_cstr(ff, INFRARED_SIGNAL_NAME_KEY, name)) {
+        return false;
+    } else if(signal->is_raw) {
+        return infrared_signal_save_raw(&signal->payload.raw, ff);
+    } else {
+        return infrared_signal_save_message(&signal->payload.message, ff);
+    }
+}
+
+bool infrared_signal_read(InfraredSignal* signal, FlipperFormat* ff, FuriString* name) {
+    bool success = false;
+
+    do {
+        if(!infrared_signal_read_name(ff, name)) break;
+        if(!infrared_signal_read_body(signal, ff)) break;
+
+        success = true; //-V779
+    } while(false);
+
+    return success;
+}
+
+bool infrared_signal_read_name(FlipperFormat* ff, FuriString* name) {
+    return flipper_format_read_string(ff, INFRARED_SIGNAL_NAME_KEY, name);
+}
+
+bool infrared_signal_search_by_name_and_read(
+    InfraredSignal* signal,
+    FlipperFormat* ff,
+    const char* name) {
+    bool success = false;
+    FuriString* tmp = furi_string_alloc();
+
+    while(infrared_signal_read_name(ff, tmp)) {
+        if(furi_string_equal(tmp, name)) {
+            success = infrared_signal_read_body(signal, ff);
+            break;
+        }
+    }
+
+    furi_string_free(tmp);
+    return success;
+}
+
+bool infrared_signal_search_by_index_and_read(
+    InfraredSignal* signal,
+    FlipperFormat* ff,
+    size_t index) {
+    bool success = false;
+    FuriString* tmp = furi_string_alloc();
+
+    for(uint32_t i = 0; infrared_signal_read_name(ff, tmp); ++i) {
+        if(i == index) {
+            success = infrared_signal_read_body(signal, ff);
+            break;
+        }
+    }
+
+    furi_string_free(tmp);
+    return success;
+}
+
+void infrared_signal_transmit(const InfraredSignal* signal) {
+    if(signal->is_raw) {
+        const InfraredRawSignal* raw_signal = &signal->payload.raw;
+        infrared_send_raw_ext(
+            raw_signal->timings,
+            raw_signal->timings_size,
+            true,
+            raw_signal->frequency,
+            raw_signal->duty_cycle);
+    } else {
+        const InfraredMessage* message = &signal->payload.message;
+        infrared_send(message, 1);
+    }
+}

laser_tag/infrared_signal.h

@@ -0,0 +1,216 @@
+/**
+ * @file infrared_signal.h
+ * @brief Infrared signal library.
+ *
+ * Infrared signals may be of two types:
+ * - known to the infrared signal decoder, or *parsed* signals
+ * - the rest, or *raw* signals, which are treated merely as a set of timings.
+ */
+#pragma once
+
+#include <flipper_format/flipper_format.h>
+#include <infrared/encoder_decoder/infrared.h>
+
+/**
+ * @brief InfraredSignal opaque type declaration.
+ */
+typedef struct InfraredSignal InfraredSignal;
+
+/**
+ * @brief Raw signal type definition.
+ *
+ * Measurement units used:
+ * - time: microseconds (uS)
+ * - frequency: Hertz (Hz)
+ * - duty_cycle: no units, fraction between 0 and 1.
+ */
+typedef struct {
+    size_t timings_size; /**< Number of elements in the timings array. */
+    uint32_t* timings; /**< Pointer to an array of timings describing the signal. */
+    uint32_t frequency; /**< Carrier frequency of the signal. */
+    float duty_cycle; /**< Duty cycle of the signal. */
+} InfraredRawSignal;
+
+/**
+ * @brief Create a new InfraredSignal instance.
+ *
+ * @returns pointer to the instance created.
+ */
+InfraredSignal* infrared_signal_alloc();
+
+/**
+ * @brief Delete an InfraredSignal instance.
+ *
+ * @param[in,out] signal pointer to the instance to be deleted.
+ */
+void infrared_signal_free(InfraredSignal* signal);
+
+/**
+ * @brief Test whether an InfraredSignal instance holds a raw signal.
+ *
+ * @param[in] signal pointer to the instance to be tested.
+ * @returns true if the instance holds a raw signal, false otherwise.
+ */
+bool infrared_signal_is_raw(const InfraredSignal* signal);
+
+/**
+ * @brief Test whether an InfraredSignal instance holds any signal.
+ *
+ * @param[in] signal pointer to the instance to be tested.
+ * @returns true if the instance holds raw signal, false otherwise.
+ */
+bool infrared_signal_is_valid(const InfraredSignal* signal);
+
+/**
+ * @brief Set an InfraredInstance to hold the signal from another one.
+ *
+ * Any instance's previous contents will be automatically deleted before
+ * copying the source instance's contents.
+ *
+ * @param[in,out] signal pointer to the destination instance.
+ * @param[in] other pointer to the source instance.
+ */
+void infrared_signal_set_signal(InfraredSignal* signal, const InfraredSignal* other);
+
+/**
+ * @brief Set an InfraredInstance to hold a raw signal.
+ *
+ * Any instance's previous contents will be automatically deleted before
+ * copying the raw signal.
+ *
+ * After this call, infrared_signal_is_raw() will return true.
+ *
+ * @param[in,out] signal pointer to the destination instance.
+ * @param[in] timings pointer to an array containing the raw signal timings.
+ * @param[in] timings_size number of elements in the timings array.
+ * @param[in] frequency signal carrier frequency, in Hertz.
+ * @param[in] duty_cycle signal duty cycle, fraction between 0 and 1.
+ */
+void infrared_signal_set_raw_signal(
+    InfraredSignal* signal,
+    const uint32_t* timings,
+    size_t timings_size,
+    uint32_t frequency,
+    float duty_cycle);
+
+/**
+ * @brief Get the raw signal held by an InfraredSignal instance.
+ *
+ * @warning the instance MUST hold a *raw* signal, otherwise undefined behaviour will occur.
+ *
+ * @param[in] signal pointer to the instance to be queried.
+ * @returns pointer to the raw signal structure held by the instance.
+ */
+const InfraredRawSignal* infrared_signal_get_raw_signal(const InfraredSignal* signal);
+
+/**
+ * @brief Set an InfraredInstance to hold a parsed signal.
+ *
+ * Any instance's previous contents will be automatically deleted before
+ * copying the raw signal.
+ *
+ * After this call, infrared_signal_is_raw() will return false.
+ *
+ * @param[in,out] signal pointer to the destination instance.
+ * @param[in] message pointer to the message containing the parsed signal.
+ */
+void infrared_signal_set_message(InfraredSignal* signal, const InfraredMessage* message);
+
+/**
+ * @brief Get the parsed signal held by an InfraredSignal instance.
+ *
+ * @warning the instance MUST hold a *parsed* signal, otherwise undefined behaviour will occur.
+ *
+ * @param[in] signal pointer to the instance to be queried.
+ * @returns pointer to the parsed signal structure held by the instance.
+ */
+const InfraredMessage* infrared_signal_get_message(const InfraredSignal* signal);
+
+/**
+ * @brief Read a signal and its name from a FlipperFormat file into an InfraredSignal instance.
+ *
+ * The file must be allocated and open prior to this call. The seek position determines
+ * which signal will be read (if there is more than one in the file). Calling this function
+ * repeatedly will result in all signals in the file to be read until no more are left.
+ *
+ * @param[in,out] signal pointer to the instance to be read into.
+ * @param[in,out] ff pointer to the FlipperFormat file instance to read from.
+ * @param[out] name pointer to the string to hold the signal name. Must be properly allocated.
+ * @returns true if a signal was successfully read, false otherwise (e.g. no more signals to read).
+ */
+bool infrared_signal_read(InfraredSignal* signal, FlipperFormat* ff, FuriString* name);
+
+/**
+ * @brief Read a signal name from a FlipperFormat file.
+ *
+ * Same behaviour as infrared_signal_read(), but only the name is read.
+ *
+ * @param[in,out] ff pointer to the FlipperFormat file instance to read from.
+ * @param[out] name pointer to the string to hold the signal name. Must be properly allocated.
+ * @returns true if a signal name was successfully read, false otherwise (e.g. no more signals to read).
+ */
+bool infrared_signal_read_name(FlipperFormat* ff, FuriString* name);
+
+/**
+ * @brief Read a signal from a FlipperFormat file.
+ *
+ * Same behaviour as infrared_signal_read(), but only the body is read.
+ *
+ * @param[in,out] ff pointer to the FlipperFormat file instance to read from.
+ * @param[out] body pointer to the InfraredSignal instance to hold the signal body. Must be properly allocated.
+ * @returns true if a signal body was successfully read, false otherwise (e.g. syntax error).
+ */
+bool infrared_signal_read_body(InfraredSignal* signal, FlipperFormat* ff);
+
+/**
+ * @brief Read a signal with a particular name from a FlipperFormat file into an InfraredSignal instance.
+ *
+ * This function will look for a signal with the given name and if found, attempt to read it.
+ * Same considerations apply as to infrared_signal_read().
+ *
+ * @param[in,out] signal pointer to the instance to be read into.
+ * @param[in,out] ff pointer to the FlipperFormat file instance to read from.
+ * @param[in] name pointer to a zero-terminated string containing the requested signal name.
+ * @returns true if a signal was found and successfully read, false otherwise (e.g. the signal was not found).
+ */
+bool infrared_signal_search_by_name_and_read(
+    InfraredSignal* signal,
+    FlipperFormat* ff,
+    const char* name);
+
+/**
+ * @brief Read a signal with a particular index from a FlipperFormat file into an InfraredSignal instance.
+ *
+ * This function will look for a signal with the given index and if found, attempt to read it.
+ * Same considerations apply as to infrared_signal_read().
+ *
+ * @param[in,out] signal pointer to the instance to be read into.
+ * @param[in,out] ff pointer to the FlipperFormat file instance to read from.
+ * @param[in] index the requested signal index.
+ * @returns true if a signal was found and successfully read, false otherwise (e.g. the signal was not found).
+ */
+bool infrared_signal_search_by_index_and_read(
+    InfraredSignal* signal,
+    FlipperFormat* ff,
+    size_t index);
+
+/**
+ * @brief Save a signal contained in an InfraredSignal instance to a FlipperFormat file.
+ *
+ * The file must be allocated and open prior to this call. Additionally, an appropriate header
+ * must be already written into the file.
+ *
+ * @param[in] signal pointer to the instance holding the signal to be saved.
+ * @param[in,out] ff pointer to the FlipperFormat file instance to write to.
+ * @param[in] name pointer to a zero-terminated string contating the name of the signal.
+ */
+bool infrared_signal_save(const InfraredSignal* signal, FlipperFormat* ff, const char* name);
+
+/**
+ * @brief Transmit a signal contained in an InfraredSignal instance.
+ *
+ * The transmission happens once per call using the built-in hardware (via HAL calls).
+ *
+ * @param[in] signal pointer to the instance holding the signal to be transmitted.
+ */
+void infrared_signal_transmit(const InfraredSignal* signal);

laser_tag/laser_tag_app.c

@@ -0,0 +1,406 @@
+#include "laser_tag_app.h"
+#include "laser_tag_view.h"
+#include "infrared_controller.h"
+#include "game_state.h"
+#include <furi.h>
+#include <gui/gui.h>
+#include <input/input.h>
+#include <notification/notification.h>
+
+#define TAG "LaserTagApp"
+
+struct LaserTagApp {
+    Gui* gui;
+    ViewPort* view_port;
+    LaserTagView* view;
+    FuriMessageQueue* event_queue;
+    FuriTimer* timer;
+    NotificationApp* notifications;
+    InfraredController* ir_controller;
+    GameState* game_state;
+    LaserTagState state;
+    bool need_redraw;
+};
+
+const NotificationSequence sequence_vibro_1 = {&message_vibro_on, &message_vibro_off, NULL};
+const NotificationSequence sequence_short_beep =
+    {&message_note_c4, &message_delay_50, &message_sound_off, NULL};
+
+static void laser_tag_app_timer_callback(void* context) {
+    furi_assert(context);
+    LaserTagApp* app = context;
+    FURI_LOG_D(TAG, "Timer callback triggered");
+
+    if(app->state == LaserTagStateSplashScreen) {
+        if(game_state_get_time(app->game_state) >= 2) {
+            FURI_LOG_I(TAG, "Splash screen time over, switching to TeamSelect");
+            app->state = LaserTagStateTeamSelect;
+            game_state_reset(app->game_state);
+            FURI_LOG_D(TAG, "Game state reset after splash screen");
+        } else {
+            FURI_LOG_D(TAG, "Updating splash screen time");
+            game_state_update_time(app->game_state, 1);
+        }
+    } else if(app->state == LaserTagStateGame) {
+        FURI_LOG_D(TAG, "Updating game time by 1 second");
+        game_state_update_time(app->game_state, 1);
+    }
+
+    if(app->view) {
+        FURI_LOG_D(TAG, "Updating view with the latest game state");
+        laser_tag_view_update(app->view, app->game_state);
+        app->need_redraw = true;
+    }
+}
+
+static void laser_tag_app_input_callback(InputEvent* input_event, void* context) {
+    furi_assert(context);
+    LaserTagApp* app = context;
+    FURI_LOG_D(TAG, "Input event received: type=%d, key=%d", input_event->type, input_event->key);
+    furi_message_queue_put(app->event_queue, input_event, 0);
+    FURI_LOG_D(TAG, "Input event queued successfully");
+}
+
+static void laser_tag_app_draw_callback(Canvas* canvas, void* context) {
+    furi_assert(context);
+    LaserTagApp* app = context;
+    FURI_LOG_D(TAG, "Entering draw callback");
+
+    if(app->state == LaserTagStateSplashScreen) {
+        canvas_clear(canvas);
+        canvas_set_font(canvas, FontPrimary);
+        canvas_draw_str(canvas, 5, 20, "Laser Tag!");
+        canvas_set_font(canvas, FontSecondary);
+        canvas_draw_str(canvas, 5, 40, "https://github.com/");
+        canvas_draw_str(canvas, 5, 50, "RocketGod-git/");
+        canvas_draw_str(canvas, 5, 60, "Flipper-Zero-Laser-Tag");
+        canvas_draw_frame(canvas, 0, 0, 128, 64);
+        canvas_draw_line(canvas, 0, 30, 127, 30);
+        canvas_draw_circle(canvas, 110, 15, 12);
+        canvas_draw_disc(canvas, 110, 15, 4);
+
+    } else if(app->state == LaserTagStateTeamSelect) {
+        canvas_clear(canvas);
+        canvas_draw_frame(canvas, 0, 0, 128, 64);
+
+        canvas_set_font(canvas, FontPrimary);
+        canvas_draw_str(canvas, 14, 13, "SELECT TEAM");
+
+        canvas_draw_line(canvas, 0, 16, 127, 16);
+
+        canvas_set_font(canvas, FontSecondary);
+        canvas_draw_str(canvas, 5, 30, "LEFT");
+        canvas_draw_str(canvas, 95, 30, "RIGHT");
+
+        canvas_set_font(canvas, FontPrimary);
+        canvas_draw_str(canvas, 10, 45, "RED");
+        canvas_draw_str(canvas, 95, 45, "BLUE");
+
+        // Gun icon for Red team
+        canvas_draw_line(canvas, 10, 50, 25, 50);
+        canvas_draw_line(canvas, 25, 50, 25, 55);
+        canvas_draw_line(canvas, 10, 55, 25, 55);
+        canvas_draw_line(canvas, 15, 55, 15, 60);
+
+        // Gun icon for Blue team (facing left)
+        canvas_draw_line(canvas, 95, 50, 110, 50);
+        canvas_draw_line(canvas, 95, 50, 95, 55);
+        canvas_draw_line(canvas, 95, 55, 110, 55);
+        canvas_draw_line(canvas, 105, 55, 105, 60);
+
+        // Laser beams
+        canvas_draw_line(canvas, 25, 52, 60, 32);
+        canvas_draw_line(canvas, 95, 52, 60, 32);
+
+        // Targets where lasers hit
+        canvas_draw_circle(canvas, 60, 32, 5);
+        canvas_draw_circle(canvas, 60, 32, 2);
+
+    } else if(app->state == LaserTagStateGameOver) {
+        canvas_clear(canvas);
+
+        canvas_set_font(canvas, FontPrimary);
+
+        // Display "GAME OVER!" centered on the screen
+        canvas_draw_str_aligned(canvas, 64, 25, AlignCenter, AlignCenter, "GAME OVER!");
+
+        // Add a solid block border around the screen
+        for(int x = 0; x < 128; x += 8) {
+            canvas_draw_box(canvas, x, 0, 8, 8);
+            canvas_draw_box(canvas, x, 56, 8, 8);
+        }
+        for(int y = 8; y < 56; y += 8) {
+            canvas_draw_box(canvas, 0, y, 8, 8);
+            canvas_draw_box(canvas, 120, y, 8, 8);
+        }
+
+        canvas_set_font(canvas, FontSecondary);
+        canvas_draw_str_aligned(canvas, 64, 50, AlignCenter, AlignCenter, "Press OK to Restart");
+
+    } else if(app->view) {
+        FURI_LOG_D(TAG, "Drawing game view");
+        laser_tag_view_draw(laser_tag_view_get_view(app->view), canvas);
+    }
+    FURI_LOG_D(TAG, "Exiting draw callback");
+}
+
+LaserTagApp* laser_tag_app_alloc() {
+    FURI_LOG_D(TAG, "Allocating Laser Tag App");
+    LaserTagApp* app = malloc(sizeof(LaserTagApp));
+    if(!app) {
+        FURI_LOG_E(TAG, "Failed to allocate LaserTagApp");
+        return NULL;
+    }
+    FURI_LOG_I(TAG, "LaserTagApp allocated successfully");
+
+    memset(app, 0, sizeof(LaserTagApp));
+
+    app->gui = furi_record_open(RECORD_GUI);
+    app->view_port = view_port_alloc();
+    app->view = laser_tag_view_alloc();
+    app->notifications = furi_record_open(RECORD_NOTIFICATION);
+    app->game_state = game_state_alloc();
+    app->event_queue = furi_message_queue_alloc(8, sizeof(InputEvent));
+
+    if(!app->gui || !app->view_port || !app->view || !app->notifications || !app->game_state ||
+       !app->event_queue) {
+        FURI_LOG_E(TAG, "Failed to allocate resources for LaserTagApp");
+        laser_tag_app_free(app);
+        return NULL;
+    }
+
+    app->state = LaserTagStateSplashScreen;
+    app->need_redraw = true;
+    FURI_LOG_I(TAG, "Initial state set to SplashScreen");
+
+    view_port_draw_callback_set(app->view_port, laser_tag_app_draw_callback, app);
+    view_port_input_callback_set(app->view_port, laser_tag_app_input_callback, app);
+    gui_add_view_port(app->gui, app->view_port, GuiLayerFullscreen);
+    FURI_LOG_D(TAG, "ViewPort callbacks set and added to GUI");
+
+    app->timer = furi_timer_alloc(laser_tag_app_timer_callback, FuriTimerTypePeriodic, app);
+    if(!app->timer) {
+        FURI_LOG_E(TAG, "Failed to allocate timer");
+        laser_tag_app_free(app);
+        return NULL;
+    }
+    FURI_LOG_I(TAG, "Timer allocated");
+
+    furi_timer_start(app->timer, furi_kernel_get_tick_frequency());
+    FURI_LOG_D(TAG, "Timer started");
+
+    return app;
+}
+
+void laser_tag_app_free(LaserTagApp* app) {
+    FURI_LOG_D(TAG, "Freeing Laser Tag App");
+    furi_assert(app);
+
+    furi_timer_free(app->timer);
+    view_port_enabled_set(app->view_port, false);
+    gui_remove_view_port(app->gui, app->view_port);
+    view_port_free(app->view_port);
+    laser_tag_view_free(app->view);
+    furi_message_queue_free(app->event_queue);
+    if(app->ir_controller) {
+        infrared_controller_free(app->ir_controller);
+    }
+    free(app->game_state);
+    furi_record_close(RECORD_GUI);
+    furi_record_close(RECORD_NOTIFICATION);
+
+    free(app);
+    FURI_LOG_I(TAG, "Laser Tag App freed successfully");
+}
+
+void laser_tag_app_fire(LaserTagApp* app) {
+    furi_assert(app);
+    FURI_LOG_D(TAG, "Firing laser");
+
+    if(!app->ir_controller) {
+        FURI_LOG_E(TAG, "IR controller is NULL in laser_tag_app_fire");
+        return;
+    }
+
+    infrared_controller_send(app->ir_controller);
+    FURI_LOG_D(TAG, "Laser fired, decreasing ammo by 1");
+    game_state_decrease_ammo(app->game_state, 1);
+
+    notification_message(app->notifications, &sequence_short_beep);
+
+    if(game_state_get_team(app->game_state) == TeamBlue) {
+        notification_message(app->notifications, &sequence_blink_blue_100);
+
+        FURI_LOG_I(TAG, "Notifying user with blink blue and short beep");
+    } else {
+        notification_message(app->notifications, &sequence_blink_red_100);
+
+        FURI_LOG_I(TAG, "Notifying user with blink red and short beep");
+    }
+
+    app->need_redraw = true;
+}
+
+void laser_tag_app_handle_hit(LaserTagApp* app) {
+    furi_assert(app);
+    FURI_LOG_D(TAG, "Handling hit, decreasing health by 10");
+
+    game_state_decrease_health(app->game_state, 10);
+    notification_message(app->notifications, &sequence_vibro_1);
+    FURI_LOG_I(TAG, "Notifying user with vibration");
+
+    if(game_state_is_game_over(app->game_state)) {
+        FURI_LOG_I(TAG, "Game over, switching to Game Over screen");
+
+        notification_message(app->notifications, &sequence_error);
+
+        app->state = LaserTagStateGameOver;
+        app->need_redraw = true;
+    }
+}
+
+static bool laser_tag_app_enter_game_state(LaserTagApp* app) {
+    furi_assert(app);
+    FURI_LOG_I(TAG, "Entering game state");
+
+    app->state = LaserTagStateGame;
+    game_state_reset(app->game_state);
+    FURI_LOG_D(TAG, "Game state reset");
+
+    laser_tag_view_update(app->view, app->game_state);
+    FURI_LOG_D(TAG, "View updated with new game state");
+
+    if(app->ir_controller) {
+        infrared_controller_free(app->ir_controller);
+        app->ir_controller = NULL;
+    }
+    app->ir_controller = infrared_controller_alloc();
+    if(!app->ir_controller) {
+        FURI_LOG_E(TAG, "Failed to allocate IR controller");
+        return false;
+    }
+    FURI_LOG_I(TAG, "IR controller allocated");
+
+    infrared_controller_set_team(app->ir_controller, game_state_get_team(app->game_state));
+    FURI_LOG_D(TAG, "IR controller team set");
+    app->need_redraw = true;
+    return true;
+}
+
+int32_t laser_tag_app(void* p) {
+    UNUSED(p);
+    FURI_LOG_I(TAG, "Laser Tag app starting");
+
+    LaserTagApp* app = laser_tag_app_alloc();
+    if(!app) {
+        FURI_LOG_E(TAG, "Failed to allocate application");
+        return -1;
+    }
+    FURI_LOG_D(TAG, "LaserTagApp allocated successfully");
+
+    InputEvent event;
+    bool running = true;
+    while(running) {
+        FURI_LOG_D(TAG, "Start of main loop iteration");
+
+        FuriStatus status = furi_message_queue_get(app->event_queue, &event, 100);
+        if(status == FuriStatusOk) {
+            FURI_LOG_D(TAG, "Received input event: type=%d, key=%d", event.type, event.key);
+            if(event.type == InputTypePress || event.type == InputTypeRepeat) {
+                if(app->state == LaserTagStateSplashScreen ||
+                   app->state == LaserTagStateTeamSelect) {
+                    switch(event.key) {
+                    case InputKeyLeft:
+                        FURI_LOG_I(TAG, "Red team selected");
+                        game_state_set_team(app->game_state, TeamRed);
+                        if(!laser_tag_app_enter_game_state(app)) {
+                            running = false;
+                        }
+                        break;
+                    case InputKeyRight:
+                        FURI_LOG_I(TAG, "Blue team selected");
+                        game_state_set_team(app->game_state, TeamBlue);
+                        if(!laser_tag_app_enter_game_state(app)) {
+                            running = false;
+                        }
+                        break;
+                    case InputKeyBack:
+                        FURI_LOG_I(TAG, "Back key pressed, exiting");
+                        running = false;
+                        break;
+                    default:
+                        break;
+                    }
+                } else if(app->state == LaserTagStateGameOver) {
+                    if(event.key == InputKeyOk) {
+                        FURI_LOG_I(TAG, "OK key pressed, restarting game");
+
+                        // Restart game by resetting game state and transitioning to splash screen
+                        game_state_reset(app->game_state);
+                        app->state = LaserTagStateSplashScreen;
+                        app->need_redraw = true;
+                    }
+                } else if(app->state == LaserTagStateGame) {
+                    if(event.key == InputKeyDown && game_state_get_ammo(app->game_state) == 0) {
+                        // Reload ammo when Down button is pressed and ammo is depleted
+                        FURI_LOG_I(TAG, "Down key pressed, reloading ammo");
+                        game_state_increase_ammo(app->game_state, INITIAL_AMMO);
+                        app->need_redraw = true;
+                    } else {
+                        switch(event.key) {
+                        case InputKeyBack:
+                            FURI_LOG_I(TAG, "Back key pressed, exiting");
+                            running = false;
+                            break;
+                        case InputKeyOk:
+                            FURI_LOG_I(TAG, "OK key pressed, firing laser");
+                            laser_tag_app_fire(app);
+                            break;
+                        default:
+                            break;
+                        }
+                    }
+                }
+            }
+        } else if(status == FuriStatusErrorTimeout) {
+            FURI_LOG_D(TAG, "No input event, continuing");
+        } else {
+            FURI_LOG_E(TAG, "Failed to get input event, status: %d", status);
+        }
+
+        if(app->state == LaserTagStateGame && app->ir_controller) {
+            if(infrared_controller_receive(app->ir_controller)) {
+                FURI_LOG_D(TAG, "Hit received, processing");
+                laser_tag_app_handle_hit(app);
+            }
+
+            if(game_state_is_game_over(app->game_state)) {
+                FURI_LOG_I(TAG, "Game over, notifying user with error sequence");
+                notification_message(app->notifications, &sequence_error);
+                // Stop game logic after game over
+                app->state = LaserTagStateGameOver;
+                app->need_redraw = true;
+            }
+        } else if(app->state == LaserTagStateGameOver) {
+            if(event.key == InputKeyOk) {
+                FURI_LOG_I(TAG, "OK key pressed, restarting game");
+                game_state_reset(app->game_state);
+                app->state = LaserTagStateSplashScreen;
+                app->need_redraw = true;
+            }
+        }
+
+        if(app->need_redraw) {
+            FURI_LOG_D(TAG, "Updating viewport");
+            view_port_update(app->view_port);
+            app->need_redraw = false;
+        }
+
+        FURI_LOG_D(TAG, "End of main loop iteration");
+        furi_delay_ms(10);
+    }
+
+    FURI_LOG_I(TAG, "Laser Tag app exiting");
+    laser_tag_app_free(app);
+    return 0;
+}

laser_tag/laser_tag_app.h

@@ -0,0 +1,26 @@
+
+#pragma once
+
+#include <furi.h>
+#include <gui/gui.h>
+#include <input/input.h>
+#include <stdlib.h>
+#include <notification/notification_messages.h>
+#include <gui/view_dispatcher.h>
+#include <gui/modules/submenu.h>
+#include <gui/scene_manager.h>
+#include <gui/modules/variable_item_list.h>
+#include <gui/modules/button_menu.h>
+
+#define FRAME_WIDTH  128
+#define FRAME_HEIGHT 64
+
+typedef struct LaserTagApp LaserTagApp;
+
+LaserTagApp* laser_tag_app_alloc();
+void laser_tag_app_free(LaserTagApp* app);
+int32_t laser_tag_app(void* p);
+void laser_tag_app_set_view_port(LaserTagApp* app, View* view);
+void laser_tag_app_switch_to_next_scene(LaserTagApp* app);
+void laser_tag_app_fire(LaserTagApp* app);
+void laser_tag_app_handle_hit(LaserTagApp* app);

laser_tag/laser_tag_icons.c

@@ -0,0 +1,178 @@
+
+#include "laser_tag_icons.h"
+#include <gui/icon_i.h>
+
+const uint8_t laser_gun_icon_data[] = {
+    0,
+    0b00000000,
+    0b00000000,
+    0b00000001,
+    0b10000000,
+    0b00000011,
+    0b11000000,
+    0b00000111,
+    0b11100000,
+    0b00001111,
+    0b11110000,
+    0b00011111,
+    0b11111000,
+    0b11111111,
+    0b11111110,
+    0b11111111,
+    0b11111111,
+};
+
+const uint8_t health_icon_data[] = {
+    0,
+    0b00001100,
+    0b00110000,
+    0b00011110,
+    0b01111000,
+    0b00111111,
+    0b11111100,
+    0b01111111,
+    0b11111110,
+    0b01111111,
+    0b11111110,
+    0b00111111,
+    0b11111100,
+    0b00011111,
+    0b11111000,
+    0b00000111,
+    0b11100000,
+};
+
+const uint8_t ammo_icon_data[] = {
+    0,
+    0b00011000,
+    0b00011000,
+    0b00111100,
+    0b00111100,
+    0b01111110,
+    0b01111110,
+    0b11111111,
+    0b11111111,
+    0b11111111,
+    0b11111111,
+    0b01111110,
+    0b01111110,
+    0b00111100,
+    0b00111100,
+    0b00011000,
+    0b00011000,
+};
+
+const uint8_t team_red_icon_data[] = {
+    0,
+    0b00011000,
+    0b00011000,
+    0b00111100,
+    0b00111100,
+    0b01111110,
+    0b01111110,
+    0b11111111,
+    0b11111111,
+    0b11111111,
+    0b11111111,
+    0b01111110,
+    0b01111110,
+    0b00111100,
+    0b00111100,
+    0b00011000,
+    0b00011000,
+};
+
+const uint8_t team_blue_icon_data[] = {
+    0,
+    0b11100111,
+    0b11100111,
+    0b11000011,
+    0b11000011,
+    0b10000001,
+    0b10000001,
+    0b00000000,
+    0b00000000,
+    0b00000000,
+    0b00000000,
+    0b10000001,
+    0b10000001,
+    0b11000011,
+    0b11000011,
+    0b11100111,
+    0b11100111,
+};
+
+const uint8_t game_over_icon_data[] = {
+    0,
+    0b11111111,
+    0b11111111,
+    0b10000000,
+    0b00000001,
+    0b10111101,
+    0b10111101,
+    0b10100001,
+    0b10100001,
+    0b10100001,
+    0b10100001,
+    0b10111101,
+    0b10111101,
+    0b10000000,
+    0b00000001,
+    0b11111111,
+    0b11111111,
+};
+
+const uint8_t* const laser_gun_icon_frames[] = {laser_gun_icon_data};
+const uint8_t* const health_icon_frames[] = {health_icon_data};
+const uint8_t* const ammo_icon_frames[] = {ammo_icon_data};
+const uint8_t* const team_red_icon_frames[] = {team_red_icon_data};
+const uint8_t* const team_blue_icon_frames[] = {team_blue_icon_data};
+const uint8_t* const game_over_icon_frames[] = {game_over_icon_data};
+
+const Icon I_laser_gun_icon = {
+    .width = 16,
+    .height = 8,
+    .frame_count = 1,
+    .frame_rate = 0,
+    .frames = laser_gun_icon_frames,
+};
+
+const Icon I_health_icon = {
+    .width = 16,
+    .height = 8,
+    .frame_count = 1,
+    .frame_rate = 0,
+    .frames = health_icon_frames,
+};
+
+const Icon I_ammo_icon = {
+    .width = 16,
+    .height = 8,
+    .frame_count = 1,
+    .frame_rate = 0,
+    .frames = ammo_icon_frames,
+};
+
+const Icon I_team_red_icon = {
+    .width = 16,
+    .height = 8,
+    .frame_count = 1,
+    .frame_rate = 0,
+    .frames = team_red_icon_frames,
+};
+
+const Icon I_team_blue_icon = {
+    .width = 16,
+    .height = 8,
+    .frame_count = 1,
+    .frame_rate = 0,
+    .frames = team_blue_icon_frames,
+};
+
+const Icon I_game_over_icon = {
+    .width = 16,
+    .height = 8,
+    .frame_count = 1,
+    .frame_rate = 0,
+    .frames = game_over_icon_frames,
+};

laser_tag/laser_tag_icons.h

@@ -0,0 +1,18 @@
+
+#pragma once
+
+#include <gui/icon.h>
+
+extern const Icon I_laser_gun_icon;
+extern const Icon I_health_icon;
+extern const Icon I_ammo_icon;
+extern const Icon I_team_red_icon;
+extern const Icon I_team_blue_icon;
+extern const Icon I_game_over_icon;
+
+#define LASER_GUN_ICON (&I_laser_gun_icon)
+#define HEALTH_ICON    (&I_health_icon)
+#define AMMO_ICON      (&I_ammo_icon)
+#define TEAM_RED_ICON  (&I_team_red_icon)
+#define TEAM_BLUE_ICON (&I_team_blue_icon)
+#define GAME_OVER_ICON (&I_game_over_icon)

laser_tag/laser_tag_view.c

@@ -0,0 +1,114 @@
+#include "laser_tag_view.h"
+#include <furi.h>
+#include <gui/elements.h>
+
+struct LaserTagView {
+    View* view;
+};
+
+typedef struct {
+    LaserTagTeam team;
+    uint8_t health;
+    uint16_t ammo;
+    uint32_t game_time;
+    bool game_over;
+} LaserTagViewModel;
+
+static void laser_tag_view_draw_callback(Canvas* canvas, void* model) {
+    LaserTagViewModel* m = model;
+    furi_assert(m);
+    furi_assert(canvas);
+
+    canvas_clear(canvas);
+    canvas_set_color(canvas, ColorBlack);
+
+    canvas_draw_str_aligned(
+        canvas, 5, 10, AlignLeft, AlignBottom, m->team == TeamRed ? "Team: Red" : "Team: Blue");
+
+    canvas_draw_str_aligned(canvas, 5, 25, AlignLeft, AlignBottom, "Health:");
+    canvas_draw_frame(canvas, 55, 20, 60, 10);
+    canvas_draw_box(canvas, 56, 21, (58 * m->health) / 100, 8);
+
+    canvas_draw_str_aligned(canvas, 5, 40, AlignLeft, AlignBottom, "Ammo:");
+    canvas_draw_frame(canvas, 55, 35, 60, 10);
+    canvas_draw_box(canvas, 56, 36, (58 * m->ammo) / 100, 8);
+
+    if(m->ammo == 0) {
+        canvas_draw_str_aligned(canvas, 5, 55, AlignLeft, AlignBottom, "Press 'Down' to Reload");
+    }
+
+    uint32_t minutes = m->game_time / 60;
+    uint32_t seconds = m->game_time % 60;
+    FuriString* str = furi_string_alloc_printf("%02ld:%02ld", minutes, seconds);
+    canvas_draw_str_aligned(canvas, 5, 60, AlignLeft, AlignBottom, furi_string_get_cstr(str));
+
+    if(m->game_over) {
+        canvas_draw_str_aligned(canvas, 5, 75, AlignLeft, AlignBottom, "GAME OVER");
+    }
+
+    furi_string_free(str);
+}
+
+static bool laser_tag_view_input_callback(InputEvent* event, void* context) {
+    UNUSED(event);
+    UNUSED(context);
+    return false;
+}
+
+LaserTagView* laser_tag_view_alloc() {
+    LaserTagView* laser_tag_view = malloc(sizeof(LaserTagView));
+    if(!laser_tag_view) {
+        return NULL;
+    }
+
+    laser_tag_view->view = view_alloc();
+    if(!laser_tag_view->view) {
+        free(laser_tag_view);
+        return NULL;
+    }
+
+    view_set_context(laser_tag_view->view, laser_tag_view);
+    view_allocate_model(laser_tag_view->view, ViewModelTypeLocking, sizeof(LaserTagViewModel));
+    view_set_draw_callback(laser_tag_view->view, laser_tag_view_draw_callback);
+    view_set_input_callback(laser_tag_view->view, laser_tag_view_input_callback);
+
+    return laser_tag_view;
+}
+
+void laser_tag_view_free(LaserTagView* laser_tag_view) {
+    if(!laser_tag_view) return;
+    if(laser_tag_view->view) {
+        view_free(laser_tag_view->view);
+    }
+    free(laser_tag_view);
+}
+
+void laser_tag_view_draw(View* view, Canvas* canvas) {
+    furi_assert(view);
+    furi_assert(canvas);
+    LaserTagViewModel* model = view_get_model(view);
+    laser_tag_view_draw_callback(canvas, model);
+    view_commit_model(view, false);
+}
+
+View* laser_tag_view_get_view(LaserTagView* laser_tag_view) {
+    furi_assert(laser_tag_view);
+    return laser_tag_view->view;
+}
+
+void laser_tag_view_update(LaserTagView* laser_tag_view, GameState* game_state) {
+    furi_assert(laser_tag_view);
+    furi_assert(game_state);
+
+    with_view_model(
+        laser_tag_view->view,
+        LaserTagViewModel * model,
+        {
+            model->team = game_state_get_team(game_state);
+            model->health = game_state_get_health(game_state);
+            model->ammo = game_state_get_ammo(game_state);
+            model->game_time = game_state_get_time(game_state);
+            model->game_over = game_state_is_game_over(game_state);
+        },
+        true);
+}

laser_tag/laser_tag_view.h

@@ -0,0 +1,13 @@
+
+#pragma once
+
+#include <gui/view.h>
+#include "game_state.h"
+
+typedef struct LaserTagView LaserTagView;
+
+LaserTagView* laser_tag_view_alloc();
+void laser_tag_view_free(LaserTagView* laser_tag_view);
+void laser_tag_view_draw(View* view, Canvas* canvas);
+View* laser_tag_view_get_view(LaserTagView* laser_tag_view);
+void laser_tag_view_update(LaserTagView* laser_tag_view, GameState* game_state);

laser_tag/manifest.yml

@@ -0,0 +1,20 @@
+author: '@RocketGod-git & @jamisonderek'
+category: 'Games'
+changelog: '@./docs/CHANGELOG.md'
+description: '@./docs/README.md'
+icon: 'icons/laser_tag_10px.png'
+id: 'laser_tag'
+name: 'Laser Tag'
+screenshots:
+  - 'screenshots/Screenshot1.png'
+  - 'screenshots/Screenshot2.png'
+  - 'screenshots/Screenshot3.png'
+  - 'screenshots/Screenshot4.png'
+short_description: 'Laser Tag game for Flipper Zero'
+sourcecode:
+  location:
+    commit_sha: f9b4be203cb2e47636477dbbd6971c0b8ce9f7b6
+    origin: https://github.com/RocketGod-git/Flipper-Zero-Laser-Tag.git
+    subdir:
+  type: git
+version: 1.0