From 4b3cc98b1591953e7a585aec54908525d8be28ad Mon Sep 17 00:00:00 2001
From: valvin <git@valvin.fr>
Date: Sun, 10 Mar 2024 22:01:15 +0100
Subject: [PATCH] feat: add leds integration for lives

---
 carrot_game/carrot_game.ino | 49 +++++++++++++++++++++++++++++++------
 1 file changed, 41 insertions(+), 8 deletions(-)

diff --git a/carrot_game/carrot_game.ino b/carrot_game/carrot_game.ino
index 303fad9..10fc73c 100644
--- a/carrot_game/carrot_game.ino
+++ b/carrot_game/carrot_game.ino
@@ -18,7 +18,9 @@ const unsigned long display_interval = 100;
 // number of milliseconds we refresh nunchuck info
 const unsigned long nunchuk_interval = 100;
 const unsigned int sound_tempo = 10;
-
+const int dataPin  = 11;
+const int clockPin = 5;
+const int latchPin = 6;
 U8G2_ST7920_128X64_2_SW_SPI u8g2(U8G2_R0, /* clock=*/ 2, /* data=*/ 10, /* cs=*/ 7);
 //A5 A4 A3 A2
 ArduinoNunchuk nunchuk = ArduinoNunchuk();
@@ -48,9 +50,21 @@ bool game_init = true;
 bool jump = false;
 bool jumpBack = false;
 bool jumpInProgress = false;
-unsigned int score = 0;
-unsigned int max_score = 0;
+int score = 0;
+int max_score = 0;
 short lives = 5;
+int lives_leds[] = {
+                    0b00000000,
+                    0b00000001,
+                    0b00000011,
+                    0b00000111,
+                    0b00001111,
+                    0b00011111,
+                    0b00111111,
+                    0b00111111,
+                    0b00111111,
+                    0b00111111
+                    };
 
 //set A3 and A2 has +5V / GND
 void nunchuck_setpowerpins()
@@ -62,11 +76,14 @@ void nunchuck_setpowerpins()
     PORTC |=  _BV(pwrpin);
     delay(100);  // wait for things to stabilize        
 }
-
 void setup(void) {
 
   //init serial for debug
 	Serial.begin(115200);
+  //init leds
+  pinMode( dataPin, OUTPUT );
+  pinMode( clockPin, OUTPUT );
+  pinMode( latchPin, OUTPUT ); 
   //init nunchuck
   nunchuck_setpowerpins();
   nunchuk.init();
@@ -74,9 +91,18 @@ void setup(void) {
   u8g2.begin();
   //init sound
   tone1.begin(8);
+  //test leds
+  for(int i = 0; i <= 9; i++){
+    update_lives_leds(lives_leds[i]);
+    delay(200);
+  }
 
 }
-
+void update_lives_leds( int value ){
+  digitalWrite( latchPin, LOW );
+  shiftOut( dataPin, clockPin, MSBFIRST,value );
+  digitalWrite( latchPin, HIGH ); 
+}
 void play_intro(){
   if(SOUND_ENABLE){
       if(millis() >= next_note){
@@ -167,6 +193,7 @@ void init_game(){
   score = 0;
   max_score = 0;
   lives = 5;
+  update_lives_leds(lives_leds[lives]);
   posX = INIT_X;
   posY = INIT_Y;
   for ( short i = 0 ; i < NUM_FISHES; i++){
@@ -177,7 +204,7 @@ void init_game(){
 void missed_or_bomb(){
   score = score - 10;
   lives = lives - 1;
-        
+  update_lives_leds(lives_leds[lives]);
   play_sound(NOTE_B1,300);
   if (score <= 0 || lives == 0){
     play_sound(NOTE_G1,300);
@@ -197,7 +224,10 @@ void compute_fishes_position(){
       if(fishes[i][0] <= fish_step)
       {
         fishes[i][0] = random(MAX_X+1,255);
-        missed_or_bomb();
+        // do not remove lives if it was a bomb
+        if(fishes[i][2] != FT_BOMB){
+          missed_or_bomb();
+        }
       }
       //move fish to the left
       else{
@@ -219,7 +249,10 @@ void compute_fishes_position(){
         }
 
         if(fishes[i][2] == FT_LIFE){
-          lives = lives + 1;
+          if(lives < 6){
+            lives = lives + 1;
+            update_lives_leds(lives_leds[lives]);
+          }
         }
         fishes[i][0] = random(MAX_X+1,255);
         //random type