Josh Davy / Mbed 2 deprecated Flip

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed el17jd

main.cpp@9:96969b1c6bde, 2019-04-24 (annotated)

Committer:
joshdavy
Date:
Wed Apr 24 10:18:45 2019 +0000
Revision:
9:96969b1c6bde
Parent:
8:21b6d4dbce44
Child:
10:58cf89dd878c
Added win screen aswell as multiple levels.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
joshdavy 0:4916a63a6cbf 1 /*
joshdavy 0:4916a63a6cbf 2 ELEC2645 Embedded Systems Project
joshdavy 0:4916a63a6cbf 3 School of Electronic & Electrical Engineering
joshdavy 0:4916a63a6cbf 4 University of Leeds
joshdavy 0:4916a63a6cbf 5 Name: Joshua Davy
joshdavy 0:4916a63a6cbf 6 Username: el17jd
joshdavy 0:4916a63a6cbf 7 Student ID Number: 201148379
joshdavy 0:4916a63a6cbf 8 Date: 12/03/2019
joshdavy 1:37802772843e 9 */
joshdavy 2:b62e8be35a5d 10
joshdavy 1:37802772843e 11
joshdavy 1:37802772843e 12 ///////// pre-processor directives ////////
joshdavy 1:37802772843e 13 #include "mbed.h"
joshdavy 1:37802772843e 14 #include "Gamepad.h"
joshdavy 1:37802772843e 15 #include "N5110.h"
joshdavy 1:37802772843e 16 #include "Sprite.h"
joshdavy 1:37802772843e 17 #include "Game.h"
joshdavy 5:b9cf407bcc63 18 #include "Music.h"
joshdavy 5:b9cf407bcc63 19 #include "SoundData.h"
joshdavy 8:21b6d4dbce44 20 #include "SplashScreen.h"
joshdavy 8:21b6d4dbce44 21 #include "MenuScreen.h"
joshdavy 9:96969b1c6bde 22 #include "WinScreen.h"
joshdavy 9:96969b1c6bde 23
joshdavy 8:21b6d4dbce44 24 Timer game_timer;
joshdavy 8:21b6d4dbce44 25 Timer music_timer;
joshdavy 1:37802772843e 26
joshdavy 2:b62e8be35a5d 27 ////// Constants //////
joshdavy 3:b34685dbdb8d 28
joshdavy 2:b62e8be35a5d 29
joshdavy 2:b62e8be35a5d 30
joshdavy 2:b62e8be35a5d 31
joshdavy 1:37802772843e 32 /////////////// objects ///////////////
joshdavy 1:37802772843e 33 N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
joshdavy 1:37802772843e 34 Gamepad pad;
joshdavy 1:37802772843e 35 Game game;
joshdavy 9:96969b1c6bde 36 Music music;
joshdavy 1:37802772843e 37
joshdavy 1:37802772843e 38
joshdavy 2:b62e8be35a5d 39
joshdavy 1:37802772843e 40 ///////////// prototypes ///////////////
joshdavy 1:37802772843e 41 void init();
joshdavy 1:37802772843e 42 void welcome();
joshdavy 9:96969b1c6bde 43 void menu();
joshdavy 9:96969b1c6bde 44 void how_to_play();
joshdavy 9:96969b1c6bde 45 void you_win();
joshdavy 9:96969b1c6bde 46 int main();
joshdavy 1:37802772843e 47 // initialies all classes and libraries
joshdavy 1:37802772843e 48 void init()
joshdavy 2:b62e8be35a5d 49
joshdavy 1:37802772843e 50 {
joshdavy 8:21b6d4dbce44 51
joshdavy 8:21b6d4dbce44 52 // need to initialise LCD and Gamepad
joshdavy 1:37802772843e 53 lcd.init();
joshdavy 2:b62e8be35a5d 54 lcd.setContrast(0.4);
joshdavy 1:37802772843e 55 pad.init();
joshdavy 9:96969b1c6bde 56 // Initalises Music with data from SoundData.h and game
joshdavy 9:96969b1c6bde 57 music.init(data1,NUM_ELEMENTS);
joshdavy 7:68e06dda79f7 58 game.init();
joshdavy 3:b34685dbdb8d 59
joshdavy 1:37802772843e 60 }
joshdavy 1:37802772843e 61 // simple splash screen displayed on start-up
joshdavy 8:21b6d4dbce44 62 void welcome()
joshdavy 8:21b6d4dbce44 63 {
joshdavy 8:21b6d4dbce44 64
joshdavy 9:96969b1c6bde 65 // Draws Splash Screen
joshdavy 8:21b6d4dbce44 66 lcd.drawSprite(0,0,48,84, (int *) splashScreen);
joshdavy 1:37802772843e 67 lcd.refresh();
joshdavy 8:21b6d4dbce44 68
joshdavy 8:21b6d4dbce44 69 // wait flashing LEDs until start button is pressed
joshdavy 9:96969b1c6bde 70 while (!pad.check_event(Gamepad::START_PRESSED)) {
joshdavy 9:96969b1c6bde 71 pad.leds_on();
joshdavy 9:96969b1c6bde 72 wait(0.1);
joshdavy 9:96969b1c6bde 73 pad.leds_off();
joshdavy 9:96969b1c6bde 74 wait(0.1);
joshdavy 9:96969b1c6bde 75 }
joshdavy 9:96969b1c6bde 76
joshdavy 9:96969b1c6bde 77 }
joshdavy 9:96969b1c6bde 78
joshdavy 9:96969b1c6bde 79 void you_win()
joshdavy 9:96969b1c6bde 80 {
joshdavy 9:96969b1c6bde 81
joshdavy 9:96969b1c6bde 82 // Draws Win Screen
joshdavy 9:96969b1c6bde 83 lcd.drawSprite(0,0,48,84, (int *) winScreen);
joshdavy 9:96969b1c6bde 84 lcd.refresh();
joshdavy 9:96969b1c6bde 85
joshdavy 9:96969b1c6bde 86 // wait flashing LEDs until A button is pressed
joshdavy 9:96969b1c6bde 87 while (!pad.check_event(Gamepad::A_PRESSED)) {
joshdavy 1:37802772843e 88 pad.leds_on();
joshdavy 1:37802772843e 89 wait(0.1);
joshdavy 1:37802772843e 90 pad.leds_off();
joshdavy 1:37802772843e 91 wait(0.1);
joshdavy 1:37802772843e 92 }
joshdavy 9:96969b1c6bde 93
joshdavy 9:96969b1c6bde 94 main();
joshdavy 2:b62e8be35a5d 95
joshdavy 1:37802772843e 96 }
joshdavy 1:37802772843e 97
joshdavy 9:96969b1c6bde 98
joshdavy 8:21b6d4dbce44 99 void how_to_play()
joshdavy 8:21b6d4dbce44 100 {
joshdavy 9:96969b1c6bde 101 // Gives instructions on how to play
joshdavy 9:96969b1c6bde 102 lcd.clear();
joshdavy 9:96969b1c6bde 103 lcd.printString("Use the joy -",0,0);
joshdavy 9:96969b1c6bde 104 lcd.printString("stick to move.",0,1);
joshdavy 9:96969b1c6bde 105 lcd.printString("Press A to ",0,2);
joshdavy 9:96969b1c6bde 106 lcd.printString("flip gravity.",0,3);
joshdavy 9:96969b1c6bde 107 lcd.printString("Get the flags",0,4);
joshdavy 9:96969b1c6bde 108 lcd.printString("to win!",0,5);
joshdavy 9:96969b1c6bde 109 lcd.refresh();
joshdavy 9:96969b1c6bde 110
joshdavy 9:96969b1c6bde 111 // Loop until A button pressed
joshdavy 9:96969b1c6bde 112 while ( !pad.check_event(Gamepad::A_PRESSED) ) {}
joshdavy 9:96969b1c6bde 113
joshdavy 9:96969b1c6bde 114 // Return to menu
joshdavy 9:96969b1c6bde 115 menu();
joshdavy 8:21b6d4dbce44 116
joshdavy 8:21b6d4dbce44 117 }
joshdavy 8:21b6d4dbce44 118
joshdavy 8:21b6d4dbce44 119 void menu()
joshdavy 8:21b6d4dbce44 120 {
joshdavy 9:96969b1c6bde 121 // Main Menu
joshdavy 8:21b6d4dbce44 122 int menu_option = 1;
joshdavy 8:21b6d4dbce44 123 while ( !pad.check_event(Gamepad::A_PRESSED) ) {
joshdavy 9:96969b1c6bde 124
joshdavy 9:96969b1c6bde 125 // Read the joystick value and relate it to a menu option
joshdavy 9:96969b1c6bde 126 if (pad.get_coord().y > 0.7f) {
joshdavy 8:21b6d4dbce44 127 menu_option = 1;
joshdavy 8:21b6d4dbce44 128 }
joshdavy 8:21b6d4dbce44 129 if (pad.get_coord().y < -0.7f) {
joshdavy 8:21b6d4dbce44 130 menu_option = 0;
joshdavy 8:21b6d4dbce44 131 }
joshdavy 9:96969b1c6bde 132 // Draws main menu background image
joshdavy 8:21b6d4dbce44 133 lcd.drawSprite(0,0,48,84, (int *) menuScreen);
joshdavy 9:96969b1c6bde 134
joshdavy 9:96969b1c6bde 135 // Draws the arrow on the menu
joshdavy 8:21b6d4dbce44 136 if (menu_option == 1) {
joshdavy 8:21b6d4dbce44 137 lcd.drawSprite(40,10,7,4, (int *) arrow);
joshdavy 8:21b6d4dbce44 138 } else {
joshdavy 8:21b6d4dbce44 139 lcd.drawSprite(40,25,7,4, (int *) arrow);
joshdavy 8:21b6d4dbce44 140 }
joshdavy 9:96969b1c6bde 141
joshdavy 8:21b6d4dbce44 142 lcd.refresh();
joshdavy 8:21b6d4dbce44 143
joshdavy 8:21b6d4dbce44 144 }
joshdavy 9:96969b1c6bde 145 // If the "how to play" option is selected run its display function
joshdavy 9:96969b1c6bde 146 if (menu_option == 0) {
joshdavy 8:21b6d4dbce44 147 how_to_play();
joshdavy 8:21b6d4dbce44 148 }
joshdavy 8:21b6d4dbce44 149 }
joshdavy 8:21b6d4dbce44 150
joshdavy 5:b9cf407bcc63 151
joshdavy 1:37802772843e 152 int main()
joshdavy 1:37802772843e 153 {
joshdavy 8:21b6d4dbce44 154
joshdavy 1:37802772843e 155 init(); // initialise and then display welcome screen...
joshdavy 1:37802772843e 156 welcome(); // waiting for the user to start
joshdavy 8:21b6d4dbce44 157 menu(); // main menu
joshdavy 1:37802772843e 158
joshdavy 1:37802772843e 159 // game loop - read input, update the game state and render the display
joshdavy 7:68e06dda79f7 160
joshdavy 7:68e06dda79f7 161 game.init();
joshdavy 8:21b6d4dbce44 162
joshdavy 9:96969b1c6bde 163 // Resets and starts the timers responsible for the game and music loop
joshdavy 8:21b6d4dbce44 164 game_timer.reset();
joshdavy 8:21b6d4dbce44 165 music_timer.reset();
joshdavy 8:21b6d4dbce44 166 game_timer.start();
joshdavy 8:21b6d4dbce44 167 music_timer.start();
joshdavy 9:96969b1c6bde 168
joshdavy 9:96969b1c6bde 169 // The tick times for both timers
joshdavy 8:21b6d4dbce44 170 const int MUSIC_TICK_TIME = 100; //125 microseconds
joshdavy 8:21b6d4dbce44 171 const int GAME_TICK_TIME = 100; // 100 millieconds
joshdavy 8:21b6d4dbce44 172
joshdavy 9:96969b1c6bde 173 while (true) {
joshdavy 9:96969b1c6bde 174
joshdavy 9:96969b1c6bde 175 // If the game timer is above the game tick time then main game process
joshdavy 9:96969b1c6bde 176 // is ran
joshdavy 8:21b6d4dbce44 177 if (game_timer.read_ms() > GAME_TICK_TIME) {
joshdavy 8:21b6d4dbce44 178 game.update(pad);
joshdavy 8:21b6d4dbce44 179 game.draw(lcd);
joshdavy 8:21b6d4dbce44 180 game_timer.reset();
joshdavy 9:96969b1c6bde 181 if (game.game_won()) {
joshdavy 9:96969b1c6bde 182 you_win();
joshdavy 9:96969b1c6bde 183 }
joshdavy 8:21b6d4dbce44 184 }
joshdavy 9:96969b1c6bde 185
joshdavy 9:96969b1c6bde 186 // If the music timer is above the music tick time update the music object
joshdavy 8:21b6d4dbce44 187 if (music_timer.read_us() > MUSIC_TICK_TIME) {
joshdavy 9:96969b1c6bde 188 music.play_next();
joshdavy 8:21b6d4dbce44 189 music_timer.reset();
joshdavy 8:21b6d4dbce44 190 }
joshdavy 1:37802772843e 191
joshdavy 8:21b6d4dbce44 192
joshdavy 8:21b6d4dbce44 193
joshdavy 8:21b6d4dbce44 194 }
joshdavy 8:21b6d4dbce44 195 }