new game: bird and cactus

src/CMakeLists.txt

@@ -375,6 +375,7 @@ list(APPEND SOURCE_FILES
         displayapp/screens/Screen.cpp
         displayapp/screens/Clock.cpp
         displayapp/screens/Tile.cpp
+        displayapp/screens/Bird.cpp
         displayapp/screens/InfiniPaint.cpp
         displayapp/screens/Paddle.cpp
         displayapp/screens/StopWatch.cpp

src/displayapp/Apps.h

@@ -16,6 +16,7 @@ namespace Pinetime {
       FlashLight,
       BatteryInfo,
       Music,
+      Bird,
       Paint,
       Paddle,
       Twos,

src/displayapp/DisplayApp.cpp

@@ -16,6 +16,7 @@
 #include "displayapp/screens/FirmwareValidation.h"
 #include "displayapp/screens/InfiniPaint.h"
 #include "displayapp/screens/Paddle.h"
+#include "displayapp/screens/Bird.h"
 #include "displayapp/screens/StopWatch.h"
 #include "displayapp/screens/Metronome.h"
 #include "displayapp/screens/Music.h"
@@ -528,6 +529,9 @@ void DisplayApp::LoadScreen(Apps app, DisplayApp::FullRefreshDirections directio
     case Apps::Paddle:
       currentScreen = std::make_unique<Screens::Paddle>(lvgl);
       break;
+    case Apps::Bird:
+      currentScreen = std::make_unique<Screens::Bird>(lvgl);
+      break;
     case Apps::Music:
       currentScreen = std::make_unique<Screens::Music>(systemTask->nimble().music());
       break;

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"
+            "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, 0xf4ba"
          }
       ],
       "bpp": 1,

src/displayapp/screens/ApplicationList.h

@@ -52,7 +52,7 @@ namespace Pinetime {
           {"2", Apps::Twos},
           {Symbols::drum, Apps::Metronome},
           {Symbols::map, Apps::Navigation},
-          {Symbols::none, Apps::None},
+          {Symbols::dove, Apps::Bird},
 
           // {"M", Apps::Motion},
         }};

src/displayapp/screens/Bird.cpp

@@ -0,0 +1,141 @@
+#include "displayapp/screens/Bird.h"
+#include "displayapp/DisplayApp.h"
+#include "displayapp/LittleVgl.h"
+#include "displayapp/screens/Symbols.h"
+
+#include <cstdlib> // for rand()
+
+using namespace Pinetime::Applications::Screens;
+
+Bird::Bird(Pinetime::Components::LittleVgl& lvgl) : lvgl {lvgl} {
+
+  lv_obj_t* background = lv_obj_create(lv_scr_act(), nullptr);
+  lv_obj_set_size(background, LV_HOR_RES, LV_VER_RES);
+  lv_obj_set_style_local_radius(background, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, 0);
+  lv_obj_set_style_local_bg_color(background, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, lv_color_hex(0x2874a6));
+
+  cactus_top = lv_obj_create(lv_scr_act(), nullptr);
+  lv_obj_set_size(cactus_top, CACTUS_WIDTH, CACTUS_HEIGHT);
+  lv_obj_set_style_local_bg_color(cactus_top, LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GREEN);
+  lv_obj_set_style_local_border_color(cactus_top, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_BLACK);
+  lv_obj_set_style_local_border_width(cactus_top, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, 1);
+
+  cactus_bottom = lv_obj_create(lv_scr_act(), nullptr);
+  lv_obj_set_size(cactus_bottom, CACTUS_WIDTH, CACTUS_HEIGHT);
+  lv_obj_set_style_local_bg_color(cactus_bottom, LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GREEN);
+  lv_obj_set_style_local_border_color(cactus_bottom, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_BLACK);
+  lv_obj_set_style_local_border_width(cactus_bottom, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, 1);
+
+  MovePipe();
+
+  points = lv_label_create(lv_scr_act(), nullptr);
+  lv_label_set_text_static(points, "    ");
+  lv_obj_align(points, lv_scr_act(), LV_ALIGN_IN_TOP_RIGHT, -10, 5);
+
+  info = lv_label_create(lv_scr_act(), nullptr);
+  lv_label_set_text_static(info, "touch to start");
+  lv_obj_align(info, lv_scr_act(), LV_ALIGN_IN_TOP_MID, 0, 40);
+
+  bird = lv_label_create(lv_scr_act(), nullptr);
+  lv_label_set_text_static(bird, Symbols::dove);
+  lv_obj_set_style_local_text_color(bird, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
+  lv_obj_set_pos(bird, BIRD_X, pos);
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
+}
+
+Bird::~Bird() {
+  lv_task_del(taskRefresh);
+  lv_obj_clean(lv_scr_act());
+}
+
+void Bird::MovePipe() {
+  lv_obj_set_pos(cactus_top, cactus_x, -cactus_y_offset);
+  lv_obj_set_pos(cactus_bottom, cactus_x, CACTUS_HEIGHT + CACTUS_GAP - cactus_y_offset);
+  return;
+}
+
+void Bird::Refresh() {
+  if (is_stopped) {
+    return;
+  }
+
+  pos += accel / 6;
+
+  if (is_ascending) {
+    if (accel >= -18) {
+      accel -= 3;
+    }
+  } else {
+    if (accel <= 42) {
+      accel++;
+    }
+  }
+
+  // checks if it has hit the floor or ceiling
+  if (pos <= 1 || pos >= LV_VER_RES - BIRD_SIZE) {
+    GameOver();
+    return;
+  }
+
+  // checks if it has rammed into cacti
+  // BIRD_X-CACTUS_WIDTH to BIRD_X+BIRD_SIZE
+  if (90 < cactus_x && cactus_x < 130) {
+    if (pos < CACTUS_HEIGHT - cactus_y_offset || pos > CACTUS_HEIGHT + CACTUS_GAP - BIRD_SIZE - cactus_y_offset) {
+      GameOver();
+      return;
+    }
+  }
+
+  lv_obj_set_pos(bird, BIRD_X, pos);
+
+  lv_label_set_text_fmt(points, "%04d", score / 10);
+  is_ascending = false;
+
+  score++;
+  if (cactus_x == 0) {
+    while (true) {
+      uint8_t new_offset = rand() % 5 * 40;
+      if (new_offset != cactus_y_offset) {
+        cactus_y_offset = new_offset;
+        break;
+      }
+    }
+    cactus_x = 240;
+  }
+  cactus_x--;
+  if (cactus_x % 4 == 0) {
+    MovePipe();
+  }
+}
+
+void Bird::GameOver() {
+  lv_label_set_text_static(info, "Game Over");
+  lv_obj_align(info, lv_scr_act(), LV_ALIGN_IN_TOP_MID, 0, 40);
+  is_stopped = true;
+  return;
+}
+
+bool Bird::OnTouchEvent(Pinetime::Applications::TouchEvents /*event*/) {
+  if (is_stopped) {
+    if (pos != 120) {
+      pos = 120;
+      lv_label_set_text_static(info, "Touch to Start");
+      lv_obj_align(info, lv_scr_act(), LV_ALIGN_IN_TOP_MID, 0, 40);
+      return true;
+    }
+    // reset
+    cactus_x = 240;
+    accel = 0;
+    score = 0;
+    is_stopped = false;
+    lv_label_set_text_static(info, "");
+  }
+  is_ascending = true;
+  return true;
+}
+
+bool Bird::OnTouchEvent(uint16_t /*x*/, uint16_t /*y*/) {
+  is_ascending = true;
+  return true;
+}

src/displayapp/screens/Bird.h

@@ -0,0 +1,52 @@
+#pragma once
+
+#include <lvgl/lvgl.h>
+#include <cstdint>
+#include "displayapp/screens/Screen.h"
+
+#define BIRD_X        110
+#define BIRD_SIZE     20
+#define CACTUS_HEIGHT 160
+#define CACTUS_WIDTH  30
+#define CACTUS_GAP    80
+
+namespace Pinetime {
+  namespace Components {
+    class LittleVgl;
+  }
+
+  namespace Applications {
+    namespace Screens {
+
+      class Bird : public Screen {
+      public:
+        Bird(Pinetime::Components::LittleVgl& lvgl);
+        ~Bird() override;
+
+        void Refresh() override;
+
+        bool OnTouchEvent(TouchEvents event) override;
+        bool OnTouchEvent(uint16_t x, uint16_t y) override;
+
+      private:
+        void GameOver();
+        void MovePipe();
+        Pinetime::Components::LittleVgl& lvgl;
+
+        bool is_stopped = true;
+        bool is_ascending = false;
+
+        uint8_t cactus_x = 240;
+        uint8_t cactus_y_offset = 40;
+
+        int8_t accel = 0;
+        uint8_t pos = 120;
+        uint16_t score = 0;
+
+        lv_obj_t *info, *points, *bird, *cactus_top, *cactus_bottom;
+
+        lv_task_t* taskRefresh;
+      };
+    }
+  }
+}

src/displayapp/screens/Symbols.h

@@ -20,6 +20,7 @@ namespace Pinetime {
         static constexpr const char* paintbrush = "\xEF\x87\xBC";
         static constexpr const char* paddle = "\xEF\x91\x9D";
         static constexpr const char* map = "\xEF\x96\xa0";
+        static constexpr const char* dove = "\xEF\x92\xBA";
         static constexpr const char* phone = "\xEF\x82\x95";
         static constexpr const char* phoneSlash = "\xEF\x8F\x9D";
         static constexpr const char* volumMute = "\xEF\x9A\xA9";