Add TicTacToe

src/CMakeLists.txt

@@ -397,6 +397,7 @@ list(APPEND SOURCE_FILES
         displayapp/screens/Alarm.cpp
         displayapp/screens/Styles.cpp
         displayapp/screens/WeatherSymbols.cpp
+        displayapp/screens/TicTacToe.cpp
         displayapp/Colors.cpp
         displayapp/widgets/Counter.cpp
         displayapp/widgets/PageIndicator.cpp
@@ -832,7 +833,7 @@ if (${CMAKE_BUILD_TYPE} STREQUAL "Debug")
   # add_definitions(-DCLOCK_CONFIG_LOG_LEVEL=4)
   # add_definitions(-DRTC_CONFIG_LOG_ENABLED=1)
   # add_definitions(-DRTC_CONFIG_LOG_LEVEL=4)
-  
+
   # Nimble Logging
   add_definitions(-DMYNEWT_VAL_NEWT_FEATURE_LOGCFG=1)
   # add_definitions(-DMYNEWT_VAL_LOG_LEVEL=0)
@@ -1130,4 +1131,3 @@ endif()
 if(BUILD_RESOURCES)
   add_subdirectory(resources)
 endif()
-

src/displayapp/DisplayApp.cpp

@@ -29,6 +29,7 @@
 #include "displayapp/screens/Dice.h"
 #include "displayapp/screens/Weather.h"
 #include "displayapp/screens/PassKey.h"
+#include "displayapp/screens/TicTacToe.h"
 #include "displayapp/screens/Error.h"
 
 #include "drivers/Cst816s.h"

src/displayapp/apps/Apps.h.in

@@ -30,6 +30,7 @@ namespace Pinetime {
       Dice,
       Weather,
       PassKey,
+      TicTacToe,
       QuickSettings,
       Settings,
       SettingWatchFace,

src/displayapp/apps/CMakeLists.txt

@@ -14,6 +14,7 @@ else ()
     set(DEFAULT_USER_APP_TYPES "${DEFAULT_USER_APP_TYPES}, Apps::Metronome")
     set(DEFAULT_USER_APP_TYPES "${DEFAULT_USER_APP_TYPES}, Apps::Navigation")
     set(DEFAULT_USER_APP_TYPES "${DEFAULT_USER_APP_TYPES}, Apps::Weather")
+    set(DEFAULT_USER_APP_TYPES "${DEFAULT_USER_APP_TYPES}, Apps::TicTacToe")
     #set(DEFAULT_USER_APP_TYPES "${DEFAULT_USER_APP_TYPES}, Apps::Motion")
     set(USERAPP_TYPES "${DEFAULT_USER_APP_TYPES}" CACHE STRING "List of user apps to build into the firmware")
 endif ()

src/displayapp/fonts/fonts.json

@@ -7,7 +7,7 @@
          },
          {
             "file": "FontAwesome5-Solid+Brands+Regular.woff",
-            "range": "0xf294, 0xf242, 0xf54b, 0xf21e, 0xf1e6, 0xf017, 0xf129, 0xf03a, 0xf185, 0xf560, 0xf001, 0xf3fd, 0xf1fc, 0xf45d, 0xf59f, 0xf5a0, 0xf027, 0xf028, 0xf6a9, 0xf04b, 0xf04c, 0xf048, 0xf051, 0xf095, 0xf3dd, 0xf04d, 0xf2f2, 0xf024, 0xf252, 0xf569, 0xf06e, 0xf015, 0xf00c, 0xf0f3, 0xf522, 0xf743"
+            "range": "0xf294, 0xf242, 0xf54b, 0xf21e, 0xf1e6, 0xf017, 0xf129, 0xf03a, 0xf185, 0xf560, 0xf001, 0xf3fd, 0xf1fc, 0xf45d, 0xf59f, 0xf5a0, 0xf027, 0xf028, 0xf6a9, 0xf04b, 0xf04c, 0xf048, 0xf051, 0xf095, 0xf3dd, 0xf04d, 0xf2f2, 0xf024, 0xf252, 0xf569, 0xf06e, 0xf015, 0xf00c, 0xf0f3, 0xf522, 0xf743, 0xf00d"
          }
       ],
       "bpp": 1,

src/displayapp/screens/Symbols.h

@@ -39,6 +39,7 @@ namespace Pinetime {
         static constexpr const char* eye = "\xEF\x81\xAE";
         static constexpr const char* home = "\xEF\x80\x95";
         static constexpr const char* sleep = "\xEE\xBD\x84";
+        static constexpr const char* times = "\xEF\x80\x8D ";
 
         // fontawesome_weathericons.c
         // static constexpr const char* sun = "\xEF\x86\x85";

src/displayapp/screens/TicTacToe.cpp

@@ -0,0 +1,178 @@
+#include "displayapp/screens/TicTacToe.h"
+#include <nrf_log.h>
+using namespace Pinetime::Applications::Screens;
+
+TicTacToe::TicTacToe() {
+  lv_style_init(&cellStyle);
+  lv_style_set_border_color(&cellStyle, LV_STATE_DEFAULT, LV_COLOR_GRAY);
+  lv_style_set_border_width(&cellStyle, LV_STATE_DEFAULT, 4);
+  lv_style_set_bg_color(&cellStyle, LV_STATE_DEFAULT, LV_COLOR_BLACK);
+  lv_style_set_pad_top(&cellStyle, LV_STATE_DEFAULT, 28);
+  lv_style_set_pad_bottom(&cellStyle, LV_STATE_DEFAULT, 28);
+  lv_style_set_border_side(&cellStyle, LV_STATE_DEFAULT, LV_BORDER_SIDE_FULL);
+
+  playField = lv_table_create(lv_scr_act(), NULL);
+  lv_table_set_col_cnt(playField, 3);
+  lv_table_set_row_cnt(playField, 3);
+  lv_obj_set_event_cb(playField, this->pressCallback);
+  lv_obj_add_style(playField, LV_TABLE_PART_CELL1, &cellStyle);
+
+  for (uint8_t column = 0; column < 3; column++) {
+    lv_table_set_col_width(playField, column, LV_HOR_RES / 3);
+  }
+
+  for (uint8_t column = 0; column < 3; column++) {
+    for (uint8_t row = 0; row < 3; row++) {
+      lv_table_set_cell_align(playField, column, row, LV_LABEL_ALIGN_CENTER);
+    }
+  }
+
+  lv_obj_align(playField, NULL, LV_ALIGN_CENTER, 0, 0);
+  playField->user_data = this;
+}
+
+bool TicTacToe::checkCellValue(uint16_t column, uint16_t row, PlayerType player) {
+  const char* cell_content = lv_table_get_cell_value(this->playField, column, row);
+  if (strlen(cell_content) == 0 || this->charToPlayer(cell_content[0]) != player) {
+    return false;
+  }
+  return true;
+}
+
+void TicTacToe::pressCallback(lv_obj_t* obj, lv_event_t event) {
+  if (event == LV_EVENT_PRESSED) {
+    TicTacToe* tic_tac_toe = static_cast<TicTacToe*>(obj->user_data);
+    uint16_t column, row;
+    lv_res_t result = lv_table_get_pressed_cell(tic_tac_toe->playField, &column, &row);
+
+    if (result == LV_RES_INV) {
+      return;
+    }
+    const char* cellContent = lv_table_get_cell_value(tic_tac_toe->playField, column, row);
+
+    if (strlen(cellContent) != 0) {
+      return;
+    }
+
+    if (tic_tac_toe->currentPlayer == PlayerType::X) {
+      lv_table_set_cell_value(tic_tac_toe->playField, column, row, "X");
+      tic_tac_toe->currentPlayer = PlayerType::O;
+    } else {
+      lv_table_set_cell_value(tic_tac_toe->playField, column, row, "O");
+      tic_tac_toe->currentPlayer = PlayerType::X;
+    }
+    PlayerType hasWon = tic_tac_toe->hasWon();
+    if (hasWon != PlayerType::UNKNOWN) {
+      tic_tac_toe->showWin(hasWon);
+    } else if (tic_tac_toe->hasEnded()) {
+      tic_tac_toe->showDraw();
+    }
+  }
+}
+
+bool TicTacToe::checkPath(uint16_t startColumn, uint16_t startRow, uint16_t endColumn, uint16_t endRow, PlayerType player) {
+  for (uint16_t column = startColumn; column <= endColumn; column++) {
+    for (uint16_t row = startRow; row <= endRow; row++) {
+      if (!this->checkCellValue(column, row, player)) {
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
+bool TicTacToe::checkPlayer(PlayerType player) {
+  // Check Rows
+  for (uint8_t row = 0; row <= 2; row++) {
+    if (this->checkPath(0, row, 2, row, player)) {
+      return true;
+    }
+  }
+
+  // Check Columns
+  for (uint8_t column = 0; column <= 2; column++) {
+    if (this->checkPath(column, 0, column, 2, player)) {
+      return true;
+    }
+  }
+
+  // Check Diagonal
+  return this->checkDiagonal(player);
+}
+
+bool TicTacToe::checkDiagonal(PlayerType player) {
+  uint16_t row = 0;
+  bool won = true;
+
+  // Top-Left to Bottom-Right
+  for (uint16_t column = 0; column <= 2; column++) {
+    if (!this->checkCellValue(column, row, player)) {
+      won = false;
+      break;
+    }
+    row++;
+  }
+
+  if(won) {
+    return true;
+  }
+
+  // Top-Right to Bottom-Left
+  row = 2;
+  for (uint16_t column = 0; column <= 2; column++) {
+    if (!this->checkCellValue(column, row, player)) {
+      return false;
+    }
+    row--;
+  }
+  return true;
+}
+
+TicTacToe::PlayerType TicTacToe::hasWon() {
+  if (this->checkPlayer(PlayerType::X)) {
+    return PlayerType::X;
+  } else if (this->checkPlayer(PlayerType::O)) {
+    return PlayerType::O;
+  }
+  return PlayerType::UNKNOWN;
+}
+
+bool TicTacToe::hasEnded() {
+  for (uint16_t column = 0; column < 3; column++) {
+    for (uint16_t row = 0; row < 3; row++) {
+      const char* cellContent = lv_table_get_cell_value(this->playField, column, row);
+
+      if (strlen(cellContent) == 0) {
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
+lv_obj_t* TicTacToe::createLabel(int16_t x_offset) {
+  lv_obj_clean(lv_scr_act());
+
+  lv_obj_t* label = lv_label_create(lv_scr_act(), nullptr);
+  lv_obj_set_width(label, LV_HOR_RES);
+  lv_obj_set_height(label, LV_VER_RES);
+  lv_obj_align(label, lv_scr_act(), LV_ALIGN_CENTER, x_offset, 0);
+  lv_label_set_align(label, LV_LABEL_ALIGN_CENTER);
+
+  return label;
+}
+
+void TicTacToe::showDraw() {
+  lv_obj_t* label = this->createLabel(-30);
+  lv_label_set_text_static(label, "Draw !!!");
+}
+
+void TicTacToe::showWin(PlayerType player) {
+  lv_obj_t* label = this->createLabel(-32);
+  lv_label_set_text_fmt(label, "%c Won !!!", player);
+}
+
+TicTacToe::~TicTacToe() {
+  lv_style_reset(&cellStyle);
+  lv_obj_clean(lv_scr_act());
+}

src/displayapp/screens/TicTacToe.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include "displayapp/apps/Apps.h"
+#include "displayapp/screens/Screen.h"
+#include "displayapp/Controllers.h"
+
+#include "Symbols.h"
+
+namespace Pinetime {
+  namespace Applications {
+    namespace Screens {
+      class TicTacToe : public Screen {
+      public:
+        enum class PlayerType : unsigned char { X = 'X', O = 'O', UNKNOWN = 0x00 };
+
+        explicit TicTacToe();
+        ~TicTacToe() override;
+
+      private:
+        lv_style_t cellStyle;
+        lv_obj_t* playField;
+
+        PlayerType currentPlayer = PlayerType::X;
+
+        bool checkPath(uint16_t startX, uint16_t startY, uint16_t endX, uint16_t endY, PlayerType to_check);
+        bool checkDiagonal(PlayerType to_check);
+        bool checkPlayer(PlayerType to_check);
+        bool checkCellValue(uint16_t x, uint16_t y, PlayerType player);
+
+        lv_obj_t* createLabel(int16_t x_offset);
+
+        void showWin(PlayerType player);
+        void showDraw();
+
+        PlayerType hasWon();
+        bool hasEnded();
+
+        PlayerType charToPlayer(char inp) {
+          switch (inp) {
+            case 'X':
+              return PlayerType::X;
+            case 'O':
+              return PlayerType::O;
+            default:
+              return PlayerType::UNKNOWN;
+          }
+        }
+
+        static void pressCallback(lv_obj_t* obj, lv_event_t event);
+      };
+    }
+
+    template <>
+    struct AppTraits<Apps::TicTacToe> {
+      static constexpr Apps app = Apps::TicTacToe;
+      static constexpr const char* icon = Screens::Symbols::times;
+
+      static Screens::Screen* Create(AppControllers& controllers) {
+        return new Screens::TicTacToe();
+      }
+    };
+  }
+}