ELEC2645 (2018/19)
Adam Baker 201166301
Dependencies: mbed Gamepad N5110
Diff: main.cpp
- Revision:
- 41:4b20f909bbcb
- Parent:
- 40:f53c70793975
- Child:
- 42:0dad7c359fa5
--- a/main.cpp Tue May 07 18:07:39 2019 +0000
+++ b/main.cpp Wed May 08 15:22:53 2019 +0000
@@ -1,122 +1,131 @@
+///////// pre-processor directives ////////
#include "mbed.h"
#include "Gamepad.h"
#include "N5110.h"
#include "BlockheadEngine.h"
#include "Menu.h"
+/////////////// objects ///////////////
N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
Gamepad pad;
BlockheadEngine blockhead;
Ticker ticker;
Menu menu;
-volatile int timer_flag = 0;
-
+///////////// prototypes ///////////////
void timer_isr();
void init();
-
void intro(N5110 &lcd, Gamepad &pad);
void main_menu(N5110 &lcd, Gamepad &pad);
int select_menu_item(Gamepad &pad, N5110 &lcd);
void go_to_main_menu_item(N5110 &lcd, Gamepad &pad, int input);
-
void menu_playgame(N5110 &lcd, Gamepad &pad);
void menu_highscore(N5110 &lcd, Gamepad &pad);
void menu_settings(N5110 &lcd, Gamepad &pad);
void menu_quit(N5110 &lcd, Gamepad &pad);
-
void select_continue_menu_item(N5110 &lcd, Gamepad &pad, int input);
void menu_continue(N5110 &lcd, Gamepad &pad);
+volatile int timer_flag = 0; //sets timer_flag to 0
+
+///////////// functions ////////////////
int main()
{
- int fps = 6; //6
+ int fps = 6; //sets fps to 6
init();
- ticker.attach(&timer_isr,1.0f/fps);
+ ticker.attach(&timer_isr,1.0f/fps); //creates a ticker and attaches it to timer_isr (ticks 6 * per second)
- lcd.setContrast(0.55);
+ lcd.setContrast(0.55); //intialy sets contrast to 0.55
- intro(lcd, pad);
+ intro(lcd, pad); //runs intro sequence
- main_menu(lcd, pad);
-
+ main_menu(lcd, pad); //runs main menu ( finite state machine, including "play game" "highscore" "settings" and "quit..." )
+
}
-void timer_isr()
+//sets the timer_flag to 1
+void timer_isr()
{
- timer_flag = 1; // set flag in ISR
+ timer_flag = 1; // set flag in ISR
}
-void init()
+
+//intialises variables of below classes
+void init()
{
- pad.init(); //intialise Gamepad class variables
- lcd.init();
- menu.init(); //intialise N5110 class variables
+ pad.init(); //intialise Gamepad class variables
+ lcd.init(); //intialise N5110 class variables
+ menu.init(); //intialise menu variables
}
-void intro(N5110 &lcd, Gamepad &pad)
+
+//runs the intro sequence
+void intro(N5110 &lcd, Gamepad &pad)
{
- menu.title_intro(lcd, pad);
+ menu.title_intro(lcd, pad); //runs 'BLOCK HEAD' intro sequence
int start = 0;
do {
- if (timer_flag == true) { //only run when timer flag is true (6fps)
+ if (timer_flag == true) { //only run when timer flag is true (6fps)
timer_flag = 0;
- start = menu.press_start(lcd, pad);
+ start = menu.press_start(lcd, pad); //flashes start untill start button is pressed
} else {
- sleep(); //sleep when timer_flag not true in order to conserve energy
+ sleep(); //sleep when timer_flag not true in order to conserve energy
}
} while (start == 0);
- menu.init();
-}
-
-void main_menu(N5110 &lcd, Gamepad &pad)
-{
-
- blockhead.init(); //intialise blockhead engine variables for new game
- int input = select_menu_item(pad, lcd); //reads input and prints the main menu
- go_to_main_menu_item(lcd, pad, input); //peforms what ever input is chosen
+ menu.init(); //intilises menu variables
}
+//main menu state
+void main_menu(N5110 &lcd, Gamepad &pad)
+{
+
+ blockhead.init(); //intialise blockhead engine variables for new game
+ int input = select_menu_item(pad, lcd); //reads input and prints the main menu
+ go_to_main_menu_item(lcd, pad, input); //peforms what ever input is chosen
+}
-int select_menu_item(Gamepad &pad, N5110 &lcd)
+//reads input and prints main menu
+int select_menu_item(Gamepad &pad, N5110 &lcd)
{
int input = 0;
do {
- if (timer_flag == true) { //only run when timer flag is true (6fps)
+ if (timer_flag == true) { //only run when timer flag is true (6fps)
timer_flag = 0;
- input = menu.select_input_main(pad, lcd);
+ input = menu.select_input_main(pad, lcd); //runs until input is selected
} else {
- sleep();
-
+ sleep(); //sleep when timer_flag not true in order to conserve energy
+
}
- } while (input == 0); //repeats untill an input is chosen
+ } while (input == 0); //repeats untill an input is chosen
return input;
}
-void go_to_main_menu_item(N5110 &lcd, Gamepad &pad, int input)
+
+//depending on input, goes to following menu items
+void go_to_main_menu_item(N5110 &lcd, Gamepad &pad, int input)
{
- switch (input) { //depending on input, performes following menu items
+ switch (input) {
case 1:
menu_playgame(lcd, pad);
break;
@@ -133,58 +142,64 @@
}
}
-void menu_playgame(N5110 &lcd, Gamepad &pad)
+
+//runs playgame menu state
+void menu_playgame(N5110 &lcd, Gamepad &pad)
{
int gameover = 0;
do {
- if (timer_flag == true) { //only run when timer flag is true (6fps)
+ if (timer_flag == true) { //only run when timer flag is true (6fps)
- timer_flag = 0; //if it has, clear the flag
+ timer_flag = 0; //if it has, clear the flag
- gameover = blockhead.playgame(lcd, pad); //run game untill gameover
+ gameover = blockhead.playgame(lcd, pad); //run game untill gameover
} else {
- sleep(); //sleep when timer_flag not true in order to conserve energy
+ sleep(); //sleep when timer_flag not true in order to conserve energy
}
} while (gameover == 0);
- menu_continue(lcd, pad); //once gameover occurs, go to continue menu (LETS TRY GET LIVES INVOLVED MAYBE!!!)))
+ menu_continue(lcd, pad); //once gameover occurs, go to continue menu
}
-void menu_highscore(N5110 &lcd, Gamepad &pad)
+
+//runs highscore menu state
+void menu_highscore(N5110 &lcd, Gamepad &pad)
{
int goback = 0;
do {
- if (timer_flag == true) {
+ if (timer_flag == true) { //only run when timer flag is true (6fps)
- timer_flag = 0;
+ timer_flag = 0; //if it has, clear the flag
- int highscore = blockhead.highscore();
+ int highscore = blockhead.highscore(); //gets high score from blockhead engine
- menu.print_highscore(lcd, highscore);
+ menu.print_highscore(lcd, highscore); //prints high score menu, with high score
- if (pad.check_event(Gamepad::B_PRESSED)) {
+ if (pad.check_event(Gamepad::B_PRESSED) || pad.check_event(Gamepad::BACK_PRESSED)) { //B or Back button to go back to main menu
goback = 1;
}
} else {
- sleep();
+ sleep(); //sleep when timer_flag not true in order to conserve energy
}
} while (goback == 0);
- main_menu(lcd, pad);
+ main_menu(lcd, pad); //once b or back pressed, go to main menu
}
-void menu_settings(N5110 &lcd, Gamepad &pad)
+
+//runs settings menu state
+void menu_settings(N5110 &lcd, Gamepad &pad)
{
int goback = 0;
@@ -192,24 +207,24 @@
do {
- if (timer_flag == true) {
+ if (timer_flag == true) { //only run when timer flag is true (6fps)
- timer_flag = 0;
+ timer_flag = 0; //if it has, clear the flag
- contrast = menu.print_settings(pad, lcd);
- lcd.setContrast(contrast);
+ contrast = menu.print_settings(pad, lcd); //run comtast menu and return contast
+ lcd.setContrast(contrast); //update lcd contast
- if (pad.check_event(Gamepad::B_PRESSED)) {
+ if (pad.check_event(Gamepad::B_PRESSED || pad.check_event(Gamepad::BACK_PRESSED))) {
goback = 1;
}
} else {
- sleep();
+ sleep(); //sleep when timer_flag not true in order to conserve energy
}
} while (goback == 0);
- main_menu(lcd, pad);
+ main_menu(lcd, pad); //go to main menu once b or back is pressed
}
void menu_quit(N5110 &lcd, Gamepad &pad)
@@ -220,14 +235,15 @@
}
-void select_continue_menu_item(N5110 &lcd, Gamepad &pad, int input)
+//depending on input, goes to following continue menu items
+void select_continue_menu_item(N5110 &lcd, Gamepad &pad, int input)
{
switch (input) {
case 1:
- menu_playgame(lcd, pad);
+ menu_playgame(lcd, pad); //if play game, level will be the one you were just on
break;
case 2:
- main_menu(lcd, pad);
+ main_menu(lcd, pad); //if menu, game resets
break;
default:
exit(1);
@@ -235,30 +251,28 @@
}
}
-void menu_continue(N5110 &lcd, Gamepad &pad)
+
+//runs continue game state
+void menu_continue(N5110 &lcd, Gamepad &pad)
{
- blockhead.continueInit();
+ blockhead.continueInit(); //intialised continue game variables (level does not change)
menu.init();
int input = 0;
do {
- if (timer_flag == true) {
+ if (timer_flag == true) { //only run when timer flag is true (6fps)
+
+ timer_flag = 0; //if it has, clear the flag
- timer_flag = 0;
+ input = menu.select_input_continue(pad, lcd); //prints continue menu, and selects coninue menu item
- input = menu.select_input_continue(pad, lcd);
+ } else {
+
+ sleep(); //sleep when timer_flag not true in order to conserve energy
}
} while (input == 0);
- select_continue_menu_item(lcd, pad, input);
+ select_continue_menu_item(lcd, pad, input); //go to what ever item has been selected
}
-
-//rtos
-/**
- char buffer[14];
- sprintf(buffer,"%i", gameover);
- lcd.printString(buffer,0,0);
- */
-//NEED TO RESET POS CORDS EACH NEW LEVEL TO PREVENT UNNECERSARRY GAME OVER (have fun x)