feat(game): add custom pet icon

include/constants.hpp

@@ -2,6 +2,7 @@
 /*
  * A header file to store all the constants used in the project.
  */
+#include <Arduino.h>
 #define LCD_I2C_ADDRESS 0x27
 #define LCD_COLS 20
 #define LCD_ROWS 4

include/display.hpp

@@ -3,6 +3,7 @@
 #include <LiquidCrystal_I2C.h>
 #include "constants.hpp"
 #include "menu.hpp"
+#include "pet.hpp"
 
 /*
  * A helper class to facilitate drawing on a HD44780 LCD display.
@@ -13,6 +14,7 @@ class Display {
 
     void begin();
     void clear();
+    void drawPet(Pet& pet);
     void drawBuffer(String buffer[]);
     void drawMenu(Menu& menu);
 

include/pet.hpp

@@ -11,6 +11,11 @@ class Pet {
     void updateJoy(int8_t delta);
     void updateEnergy(int8_t delta);
     void updateCleanliness(int8_t delta);
+
+    int8_t getHunger() const;
+    int8_t getJoy() const;
+    int8_t getEnergy() const;
+    int8_t getCleanliness() const;
     String getReasonForDeath() const;
   private:
     int8_t hunger;

src/display.cpp

@@ -4,8 +4,20 @@
 Display::Display() : lcd(LCD_I2C_ADDRESS, LCD_COLS, LCD_ROWS) {}
 
 void Display::begin() {
+  byte CUSTOM_CHAR_PET[] = {
+    B00100,
+    B01110,
+    B11111,
+    B10101,
+    B11111,
+    B11111,
+    B10001,
+    B11111
+  };
+
   lcd.init();
   lcd.backlight();
+  lcd.createChar(0, CUSTOM_CHAR_PET); // Create a custom character for the pet
 }
 
 void Display::clear() {
@@ -20,6 +32,22 @@ void Display::drawBuffer(String buffer[]) {
   }
 }
 
+void Display::drawPet(Pet &pet) {
+  clear();
+
+  lcd.setCursor(0, 0);
+  lcd.print("Hunger: " + String(pet.getHunger()));
+  lcd.setCursor(0, 1);
+  lcd.print("Joy: " + String(pet.getJoy()));
+  lcd.setCursor(0, 2);
+  lcd.print("Energy: " + String(pet.getEnergy()));
+  lcd.setCursor(0, 3);
+  lcd.print("Cleanliness: " + String(pet.getCleanliness()));
+
+  lcd.setCursor(LCD_COLS - 2, LCD_ROWS / 2 - 1); // Position the pet
+  lcd.write(byte(0)); // Draw the custom pet character
+}
+
 void Display::drawMenu(Menu &menu) {
   clear();
   size_t currentItemIndex = menu.getCurrentItemIndex();

src/game.cpp

@@ -5,7 +5,7 @@ Game::Game() : joystick(), display(), menu() {
     .pet = Pet(),
     .lastActionTime = 0,
     .isMenuOpen = false,
-    .shouldClearDisplay = false,
+    .shouldClearDisplay = true,
   };
 
   String items[] = {
@@ -86,35 +86,33 @@ void Game::update() {
 }
 
 void Game::render() {
-  // Clear display if needed, and if the menu is open, redraw it
-  if (state.shouldClearDisplay) {
-    display.clear();
-    state.shouldClearDisplay = false;
-
-    if (state.isMenuOpen) {
-      display.drawMenu(menu);
-      Serial.println("Rendering menu");
-      return;
-    }
+  if (!state.shouldClearDisplay) {
+    return;
   }
 
-  // If the menu is open, we don't need to render the pet's stats
+  state.shouldClearDisplay = false;
+
   if (state.isMenuOpen) {
+    display.drawMenu(menu);
+    Serial.println("Rendering menu");
     return;
   }
 
   // If the pet is dead, display a message and return
   if (!state.pet.isAlive) {
     String buffer[LCD_ROWS] = {
-      "Your pet has died",
-      state.pet.getReasonForDeath(),
+      "Your pet has died of",
+      state.pet.getReasonForDeath() + ".",
       "Reset the device",
-      "to start over"
+      "to start over."
     };
 
     display.drawBuffer(buffer);
     return;
   }
+
+  // Render the pet's stats on the display
+  display.drawPet(state.pet);
 }
 
 void Game::forceUpdate(String reason) {

src/pet.cpp

@@ -8,13 +8,13 @@ void Pet::updateHunger(int8_t delta) {
 
   if (hunger < 0) {
     isAlive = false;
-    reasonForDeath = "starvation";
+    reasonForDeath = "overfeeding";
     return;
   }
 
   if (hunger > MAXIMUM_STAT) {
     isAlive = false;
-    reasonForDeath = "overfeeding";
+    reasonForDeath = "starvation";
   }
 }
 
@@ -63,6 +63,22 @@ void Pet::updateCleanliness(int8_t delta) {
   }
 }
 
+int8_t Pet::getHunger() const {
+  return hunger;
+}
+
+int8_t Pet::getJoy() const {
+  return joy;
+}
+
+int8_t Pet::getEnergy() const {
+  return energy;
+}
+
+int8_t Pet::getCleanliness() const {
+  return cleanliness;
+}
+
 String Pet::getReasonForDeath() const {
   return reasonForDeath;
 }