From 217f16d18976a6304e411c00f2ccd72f4bd831a7 Mon Sep 17 00:00:00 2001
From: Riku Isokoski <riksu9000@gmail.com>
Date: Thu, 24 Jun 2021 13:33:15 +0300
Subject: [PATCH] Improve paddle game

---
 src/displayapp/screens/Paddle.cpp | 154 ++++++++----------------------
 src/displayapp/screens/Paddle.h   |  22 ++---
 2 files changed, 50 insertions(+), 126 deletions(-)

diff --git a/src/displayapp/screens/Paddle.cpp b/src/displayapp/screens/Paddle.cpp
index 161f175b..5a939ac7 100644
--- a/src/displayapp/screens/Paddle.cpp
+++ b/src/displayapp/screens/Paddle.cpp
@@ -4,98 +4,31 @@
 
 using namespace Pinetime::Applications::Screens;
 
-namespace {
-  const uint8_t paddle_map[] = {
-    0xfc, 0xfe, 0xfc, 0xff, /*Color of index 0*/
-    0xff, 0xff, 0xff, 0xff, /*Color of index 1*/
-
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  };
-
-  const uint8_t ball_map[] = {
-    0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed,
-    0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed,
-    0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed,
-    0x6f, 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed,
-    0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed,
-    0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed,
-    0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed,
-    0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed,
-    0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed, 0x6f, 0xed,
-  };
-}
-
 Paddle::Paddle(Pinetime::Applications::DisplayApp* app, Pinetime::Components::LittleVgl& lvgl) : Screen(app), lvgl {lvgl} {
   app->SetTouchMode(DisplayApp::TouchModes::Polling);
 
+  background = lv_obj_create(lv_scr_act(), nullptr);
+  lv_obj_set_size(background, LV_HOR_RES + 1, LV_VER_RES);
+  lv_obj_set_pos(background, -1, 0);
+  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_BLACK);
+  lv_obj_set_style_local_border_color(background, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
+  lv_obj_set_style_local_border_width(background, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, 1);
+
   points = lv_label_create(lv_scr_act(), nullptr);
+  lv_obj_set_style_local_text_font(points, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_42);
   lv_label_set_text(points, "0000");
-  lv_obj_set_style_local_text_color(points, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, lv_color_hex(0x444444));
-  lv_obj_align(points, lv_scr_act(), LV_ALIGN_IN_TOP_MID, 0, 0);
+  lv_obj_align(points, lv_scr_act(), LV_ALIGN_IN_TOP_MID, 0, 10);
 
-  paddle.header.always_zero = 0;
-  paddle.header.w = 4;
-  paddle.header.h = 60;
-  paddle.data_size = 68;
-  paddle.header.cf = LV_IMG_CF_INDEXED_1BIT;
-  paddle.data = paddle_map;
-  paddle_image = lv_img_create(lv_scr_act(), nullptr);
-  lv_img_set_src(paddle_image, &paddle);
+  paddle = lv_obj_create(lv_scr_act(), nullptr);
+  lv_obj_set_style_local_bg_color(paddle, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
+  lv_obj_set_style_local_radius(paddle, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, 0);
+  lv_obj_set_size(paddle, 4, 60);
 
-  ball.header.always_zero = 0;
-  ball.header.w = 24;
-  ball.header.h = 24;
-  ball.data_size = 24 * 24 * LV_COLOR_SIZE / 8;
-  ball.header.cf = LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED;
-  ball.data = ball_map;
-  ball_image = lv_img_create(lv_scr_act(), nullptr);
-  lv_img_set_src(ball_image, &ball);
+  ball = lv_obj_create(lv_scr_act(), nullptr);
+  lv_obj_set_style_local_bg_color(ball, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
+  lv_obj_set_style_local_radius(ball, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_RADIUS_CIRCLE);
+  lv_obj_set_size(ball, ballSize, ballSize);
 }
 
 Paddle::~Paddle() {
@@ -105,41 +38,37 @@ Paddle::~Paddle() {
 }
 
 bool Paddle::Refresh() {
-  if ((counter++ % 5) == 0) {
-    counter = 0;
+  ballX += dx;
+  ballY += dy;
 
-    ballX += dx;
-    ballY += dy;
+  lv_obj_set_pos(ball, ballX, ballY);
 
-    lv_obj_set_pos(ball_image, ballX, ballY);
+  // checks if it has touched the sides (floor and ceiling)
+  if (ballY <= 1 || ballY >= LV_VER_RES - ballSize - 2) {
+    dy *= -1;
+  }
 
-    // checks if it has touched the sides (floor and ceiling)
-    if (ballY <= 0 || ballY >= 215) {
-      dy *= -1;
-    }
+  // checks if it has touched the side (left side)
+  if (ballX >= LV_VER_RES - ballSize - 1) {
+    dx *= -1;
+  }
 
-    // checks if it has touched the side (left side)
-    if (ballX >= 215) {
-      dx *= -1;
-    }
-
-    // checks if it is in the position of the paddle
-    if (ballY <= (paddleBottomY + 16) && ballY >= (paddleTopY - 8)) {
-      if (ballX >= 0 && ballX < 4) {
-        lv_obj_set_pos(ball_image, 5, ballY);
+  // checks if it is in the position of the paddle
+  if (dx < 0 && ballX <= 4) {
+    if (ballX >= -ballSize / 4) {
+      if (ballY <= (paddlePos + 30 - ballSize / 4) && ballY >= (paddlePos - 30 - ballSize + ballSize / 4)) {
         dx *= -1;
         score++;
       }
     }
-
     // checks if it has gone behind the paddle
-    else if (ballX <= -40) {
-      ballX = 107;
-      ballY = 107;
+    else if (ballX <= -ballSize * 2) {
+      ballX = (LV_HOR_RES - ballSize) / 2;
+      ballY = (LV_VER_RES - ballSize) / 2;
       score = 0;
     }
-    lv_label_set_text_fmt(points, "%04d", score);
   }
+  lv_label_set_text_fmt(points, "%04d", score);
   return running;
 }
 
@@ -148,11 +77,8 @@ bool Paddle::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
 }
 
 bool Paddle::OnTouchEvent(uint16_t x, uint16_t y) {
-  lv_obj_set_pos(
-    paddle_image,
-    0,
-    y - 30); // sets the center paddle pos. (30px offset) with the the y_coordinate of the finger and defaults the x_coordinate to 0
-  paddleTopY = y - 30;    // refreshes the upper extreme of the paddle
-  paddleBottomY = y + 30; // refreshes the lower extreme of the paddle
+  // sets the center paddle pos. (30px offset) with the the y_coordinate of the finger
+  lv_obj_set_pos(paddle, 0, y - 30);
+  paddlePos = y;
   return true;
 }
diff --git a/src/displayapp/screens/Paddle.h b/src/displayapp/screens/Paddle.h
index e133244f..30ab8f94 100644
--- a/src/displayapp/screens/Paddle.h
+++ b/src/displayapp/screens/Paddle.h
@@ -24,24 +24,22 @@ namespace Pinetime {
       private:
         Pinetime::Components::LittleVgl& lvgl;
 
-        int paddleBottomY = 90; // bottom extreme of the paddle
-        int paddleTopY = 150;   // top extreme of the paddle
+        const uint8_t ballSize = 16;
 
-        int ballX = 107; // Initial x_coordinate for the ball (12px offset from the center to counteract the ball's 24px size)
-        int ballY = 107; // Initial y_coordinate for the ball
+        uint16_t paddlePos = 30; // Paddle center
 
-        int dx = 2; // Velocity of the ball in the x_coordinate
-        int dy = 3; // Velocity of the ball in the y_coordinate
+        int16_t ballX = (LV_HOR_RES - ballSize) / 2;
+        int16_t ballY = (LV_VER_RES - ballSize) / 2;
 
-        int counter = 0; // init Frame refresh limit counter
-        int score = 0;
+        int8_t dx = 2; // Velocity of the ball in the x_coordinate
+        int8_t dy = 3; // Velocity of the ball in the y_coordinate
 
-        lv_img_dsc_t paddle;
-        lv_img_dsc_t ball;
+        uint16_t score = 0;
 
         lv_obj_t* points;
-        lv_obj_t* paddle_image; // pointer to paddle image
-        lv_obj_t* ball_image;   // pointer to ball image
+        lv_obj_t* paddle;
+        lv_obj_t* ball;
+        lv_obj_t* background;
       };
     }
   }