Diff: Engine/Engine.cpp

Revision:

29:bdc4138b5171

Parent:

28:be77ad6c0bda

--- a/Engine/Engine.cpp	Tue May 07 08:39:38 2019 +0000
+++ b/Engine/Engine.cpp	Tue May 07 17:21:00 2019 +0000
@@ -13,6 +13,7 @@
 Engine::~Engine() {}
 
 void Engine::init() {
+  // Reset functions are used for init.
   reset_skater();
   reset_engine();
   srand(time(NULL));  // Set up for generating random numbers, [1].
@@ -30,6 +31,7 @@
 }
 
 void Engine::execute_dying_sequence(N5110 &lcd, Gamepad &gamepad) {
+  // Player has died and game needs to restart, printing their score.
   wait(1);  // Short pause.
   gamepad.leds_off();
   lcd.clear();
@@ -50,6 +52,7 @@
 }
 
 void Engine::reset_skater() {
+  // Initial values for skater.
   _skater_direction = Left;
   _start_platform_flag = true;  // For printing start text in EngineController.
   _skater.set_reset_flag(false);
@@ -59,6 +62,7 @@
 }  
 
 void Engine::reset_engine() {
+  // Inital values for engine (and gamepad input).
   _input.coord.x = 0;
   _input.coord.y = 0;
   _input.A_flag = false;
@@ -72,7 +76,7 @@
 }  
 
 void Engine::read_input(Gamepad &gamepad) {
-  // Set up the input struct.
+  // Set up the input struct for use.
   _input.coord = gamepad.get_mapped_coord(); 
   _input.A_flag = gamepad.check_event(Gamepad::A_PRESSED);
 } 
@@ -81,7 +85,7 @@
   // Sets the y coord by first checking if the skater should be falling.
   set_fall_flag();  // Update the fall flag dependent on skater position.
   if (_fall_flag) {
-    _skater.fall(_fall_flag, gamepad);
+    _skater.fall(_fall_flag, gamepad);  // Fall if the skater should be.
   } else {
     _skater.set_y_position(_input.A_flag, _jump_counter, _level_condition, 
                            gamepad);
@@ -114,7 +118,7 @@
 }
     
 void Engine::process_x(int game_counter) {
-  // Sets the x coord.
+  // Sets the x coord from input.
   _skater.set_x_position_and_sprite(_input.coord.x, 
     _moving_counter, 
     _skater_direction,
@@ -244,6 +248,7 @@
                _upper_line_1.y,FILL_BLACK);
   lcd.drawLine(_upper_line_3.x_start,_upper_line_3.y,_upper_line_3.x_end,
                _upper_line_3.y,FILL_BLACK);
+  // Print the score.
   sprintf(buffer,"%2d",_player_score);
   lcd.printString(buffer,0,0);
   draw_screen_fire(game_counter, lcd);