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main.cpp@11:db27d3838514, 2019-05-06 (annotated)
- Committer:
 - joshdavy
 - Date:
 - Mon May 06 14:43:01 2019 +0000
 - Revision:
 - 11:db27d3838514
 - Parent:
 - 10:58cf89dd878c
 
test
Who changed what in which revision?
| User | Revision | Line number | New 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 | 1:37802772843e | 24 | |
| joshdavy | 2:b62e8be35a5d | 25 | ////// Constants ////// | 
| joshdavy | 3:b34685dbdb8d | 26 | |
| joshdavy | 10:58cf89dd878c | 27 | // The tick times for both timers | 
| joshdavy | 10:58cf89dd878c | 28 | const int MUSIC_TICK_TIME = 100; //100 microseconds | 
| joshdavy | 10:58cf89dd878c | 29 | const int GAME_TICK_TIME = 100; // 100 millieconds | 
| joshdavy | 2:b62e8be35a5d | 30 | |
| joshdavy | 1:37802772843e | 31 | /////////////// objects /////////////// | 
| joshdavy | 1:37802772843e | 32 | N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11); | 
| joshdavy | 1:37802772843e | 33 | Gamepad pad; | 
| joshdavy | 1:37802772843e | 34 | Game game; | 
| joshdavy | 9:96969b1c6bde | 35 | Music music; | 
| joshdavy | 10:58cf89dd878c | 36 | Timer game_timer; | 
| joshdavy | 10:58cf89dd878c | 37 | Timer music_timer; | 
| joshdavy | 2:b62e8be35a5d | 38 | |
| joshdavy | 1:37802772843e | 39 | ///////////// prototypes /////////////// | 
| joshdavy | 1:37802772843e | 40 | void init(); | 
| joshdavy | 1:37802772843e | 41 | void welcome(); | 
| joshdavy | 9:96969b1c6bde | 42 | void menu(); | 
| joshdavy | 9:96969b1c6bde | 43 | void how_to_play(); | 
| joshdavy | 9:96969b1c6bde | 44 | void you_win(); | 
| joshdavy | 9:96969b1c6bde | 45 | int main(); | 
| joshdavy | 10:58cf89dd878c | 46 | |
| joshdavy | 11:db27d3838514 | 47 | /** | 
| joshdavy | 11:db27d3838514 | 48 | * @brief initialies all classes and libraries | 
| joshdavy | 11:db27d3838514 | 49 | */ | 
| joshdavy | 1:37802772843e | 50 | void init() | 
| joshdavy | 1:37802772843e | 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 | 10:58cf89dd878c | 57 | music.init(sound_data,NUM_ELEMENTS); | 
| joshdavy | 7:68e06dda79f7 | 58 | game.init(); | 
| joshdavy | 3:b34685dbdb8d | 59 | |
| joshdavy | 1:37802772843e | 60 | } | 
| joshdavy | 11:db27d3838514 | 61 | |
| joshdavy | 11:db27d3838514 | 62 | /** | 
| joshdavy | 11:db27d3838514 | 63 | * @brief simple splash screen displayed on start-up | 
| joshdavy | 11:db27d3838514 | 64 | */ | 
| joshdavy | 8:21b6d4dbce44 | 65 | void welcome() | 
| joshdavy | 8:21b6d4dbce44 | 66 | { | 
| joshdavy | 8:21b6d4dbce44 | 67 | |
| joshdavy | 9:96969b1c6bde | 68 | // Draws Splash Screen | 
| joshdavy | 8:21b6d4dbce44 | 69 | lcd.drawSprite(0,0,48,84, (int *) splashScreen); | 
| joshdavy | 1:37802772843e | 70 | lcd.refresh(); | 
| joshdavy | 8:21b6d4dbce44 | 71 | |
| joshdavy | 8:21b6d4dbce44 | 72 | // wait flashing LEDs until start button is pressed | 
| joshdavy | 9:96969b1c6bde | 73 | while (!pad.check_event(Gamepad::START_PRESSED)) { | 
| joshdavy | 10:58cf89dd878c | 74 | lcd.setContrast(pad.read_pot()); | 
| joshdavy | 10:58cf89dd878c | 75 | |
| joshdavy | 9:96969b1c6bde | 76 | pad.leds_on(); | 
| joshdavy | 9:96969b1c6bde | 77 | wait(0.1); | 
| joshdavy | 9:96969b1c6bde | 78 | pad.leds_off(); | 
| joshdavy | 9:96969b1c6bde | 79 | wait(0.1); | 
| joshdavy | 9:96969b1c6bde | 80 | } | 
| joshdavy | 9:96969b1c6bde | 81 | |
| joshdavy | 9:96969b1c6bde | 82 | } | 
| joshdavy | 11:db27d3838514 | 83 | /** | 
| joshdavy | 11:db27d3838514 | 84 | * @brief You Win! Screen | 
| joshdavy | 11:db27d3838514 | 85 | */ | 
| joshdavy | 9:96969b1c6bde | 86 | void you_win() | 
| joshdavy | 9:96969b1c6bde | 87 | { | 
| joshdavy | 9:96969b1c6bde | 88 | // Draws Win Screen | 
| joshdavy | 9:96969b1c6bde | 89 | lcd.drawSprite(0,0,48,84, (int *) winScreen); | 
| joshdavy | 9:96969b1c6bde | 90 | lcd.refresh(); | 
| joshdavy | 9:96969b1c6bde | 91 | |
| joshdavy | 10:58cf89dd878c | 92 | // wait flashing LEDs until START button is pressed | 
| joshdavy | 10:58cf89dd878c | 93 | while (!pad.check_event(Gamepad::START_PRESSED)) { | 
| joshdavy | 1:37802772843e | 94 | pad.leds_on(); | 
| joshdavy | 1:37802772843e | 95 | wait(0.1); | 
| joshdavy | 1:37802772843e | 96 | pad.leds_off(); | 
| joshdavy | 1:37802772843e | 97 | wait(0.1); | 
| joshdavy | 1:37802772843e | 98 | } | 
| joshdavy | 10:58cf89dd878c | 99 | |
| joshdavy | 9:96969b1c6bde | 100 | main(); | 
| joshdavy | 2:b62e8be35a5d | 101 | |
| joshdavy | 1:37802772843e | 102 | } | 
| joshdavy | 11:db27d3838514 | 103 | /** | 
| joshdavy | 11:db27d3838514 | 104 | * @brief Displays instructions on how to play. | 
| joshdavy | 11:db27d3838514 | 105 | */ | 
| joshdavy | 8:21b6d4dbce44 | 106 | void how_to_play() | 
| joshdavy | 8:21b6d4dbce44 | 107 | { | 
| joshdavy | 9:96969b1c6bde | 108 | // Gives instructions on how to play | 
| joshdavy | 9:96969b1c6bde | 109 | lcd.clear(); | 
| joshdavy | 9:96969b1c6bde | 110 | lcd.printString("Use the joy -",0,0); | 
| joshdavy | 9:96969b1c6bde | 111 | lcd.printString("stick to move.",0,1); | 
| joshdavy | 9:96969b1c6bde | 112 | lcd.printString("Press A to ",0,2); | 
| joshdavy | 9:96969b1c6bde | 113 | lcd.printString("flip gravity.",0,3); | 
| joshdavy | 9:96969b1c6bde | 114 | lcd.printString("Get the flags",0,4); | 
| joshdavy | 9:96969b1c6bde | 115 | lcd.printString("to win!",0,5); | 
| joshdavy | 9:96969b1c6bde | 116 | lcd.refresh(); | 
| joshdavy | 10:58cf89dd878c | 117 | |
| joshdavy | 9:96969b1c6bde | 118 | // Loop until A button pressed | 
| joshdavy | 9:96969b1c6bde | 119 | while ( !pad.check_event(Gamepad::A_PRESSED) ) {} | 
| joshdavy | 10:58cf89dd878c | 120 | |
| joshdavy | 9:96969b1c6bde | 121 | // Return to menu | 
| joshdavy | 11:db27d3838514 | 122 | menu(); | 
| joshdavy | 8:21b6d4dbce44 | 123 | } | 
| joshdavy | 11:db27d3838514 | 124 | /** | 
| joshdavy | 11:db27d3838514 | 125 | * @brief Displays main menu | 
| joshdavy | 11:db27d3838514 | 126 | */ | 
| joshdavy | 8:21b6d4dbce44 | 127 | void menu() | 
| joshdavy | 8:21b6d4dbce44 | 128 | { | 
| joshdavy | 9:96969b1c6bde | 129 | // Main Menu | 
| joshdavy | 10:58cf89dd878c | 130 | int menu_option = 0; | 
| joshdavy | 8:21b6d4dbce44 | 131 | while ( !pad.check_event(Gamepad::A_PRESSED) ) { | 
| joshdavy | 10:58cf89dd878c | 132 | //Allow adjusting of the contrast | 
| joshdavy | 10:58cf89dd878c | 133 | lcd.setContrast(pad.read_pot()); | 
| joshdavy | 10:58cf89dd878c | 134 | |
| joshdavy | 10:58cf89dd878c | 135 | // Read the joystick value and relate it to a menu option | 
| joshdavy | 9:96969b1c6bde | 136 | if (pad.get_coord().y > 0.7f) { | 
| joshdavy | 10:58cf89dd878c | 137 | menu_option = 0; | 
| joshdavy | 8:21b6d4dbce44 | 138 | } | 
| joshdavy | 8:21b6d4dbce44 | 139 | if (pad.get_coord().y < -0.7f) { | 
| joshdavy | 10:58cf89dd878c | 140 | menu_option = 1; | 
| joshdavy | 8:21b6d4dbce44 | 141 | } | 
| joshdavy | 9:96969b1c6bde | 142 | // Draws main menu background image | 
| joshdavy | 8:21b6d4dbce44 | 143 | lcd.drawSprite(0,0,48,84, (int *) menuScreen); | 
| joshdavy | 10:58cf89dd878c | 144 | |
| joshdavy | 9:96969b1c6bde | 145 | // Draws the arrow on the menu | 
| joshdavy | 10:58cf89dd878c | 146 | if (menu_option == 0) { | 
| joshdavy | 8:21b6d4dbce44 | 147 | lcd.drawSprite(40,10,7,4, (int *) arrow); | 
| joshdavy | 8:21b6d4dbce44 | 148 | } else { | 
| joshdavy | 8:21b6d4dbce44 | 149 | lcd.drawSprite(40,25,7,4, (int *) arrow); | 
| joshdavy | 8:21b6d4dbce44 | 150 | } | 
| joshdavy | 10:58cf89dd878c | 151 | |
| joshdavy | 8:21b6d4dbce44 | 152 | lcd.refresh(); | 
| joshdavy | 8:21b6d4dbce44 | 153 | |
| joshdavy | 8:21b6d4dbce44 | 154 | } | 
| joshdavy | 9:96969b1c6bde | 155 | // If the "how to play" option is selected run its display function | 
| joshdavy | 10:58cf89dd878c | 156 | if (menu_option == 1) { | 
| joshdavy | 8:21b6d4dbce44 | 157 | how_to_play(); | 
| joshdavy | 8:21b6d4dbce44 | 158 | } | 
| joshdavy | 8:21b6d4dbce44 | 159 | } | 
| joshdavy | 8:21b6d4dbce44 | 160 | |
| joshdavy | 5:b9cf407bcc63 | 161 | |
| joshdavy | 11:db27d3838514 | 162 | /** | 
| joshdavy | 11:db27d3838514 | 163 | * @brief Main Loop | 
| joshdavy | 11:db27d3838514 | 164 | */ | 
| joshdavy | 1:37802772843e | 165 | int main() | 
| joshdavy | 1:37802772843e | 166 | { | 
| joshdavy | 8:21b6d4dbce44 | 167 | |
| joshdavy | 1:37802772843e | 168 | init(); // initialise and then display welcome screen... | 
| joshdavy | 1:37802772843e | 169 | welcome(); // waiting for the user to start | 
| joshdavy | 8:21b6d4dbce44 | 170 | menu(); // main menu | 
| joshdavy | 1:37802772843e | 171 | |
| joshdavy | 10:58cf89dd878c | 172 | // Resets and starts the timers responsible for the game and music loops | 
| joshdavy | 8:21b6d4dbce44 | 173 | game_timer.reset(); | 
| joshdavy | 8:21b6d4dbce44 | 174 | music_timer.reset(); | 
| joshdavy | 8:21b6d4dbce44 | 175 | game_timer.start(); | 
| joshdavy | 8:21b6d4dbce44 | 176 | music_timer.start(); | 
| joshdavy | 10:58cf89dd878c | 177 | |
| joshdavy | 10:58cf89dd878c | 178 | |
| joshdavy | 9:96969b1c6bde | 179 | while (true) { | 
| joshdavy | 10:58cf89dd878c | 180 | |
| joshdavy | 9:96969b1c6bde | 181 | // If the game timer is above the game tick time then main game process | 
| joshdavy | 10:58cf89dd878c | 182 | // is ran | 
| joshdavy | 8:21b6d4dbce44 | 183 | if (game_timer.read_ms() > GAME_TICK_TIME) { | 
| joshdavy | 10:58cf89dd878c | 184 | // Allows adjusting on the contrast | 
| joshdavy | 10:58cf89dd878c | 185 | lcd.setContrast(pad.read_pot()); | 
| joshdavy | 10:58cf89dd878c | 186 | // Main update states | 
| joshdavy | 8:21b6d4dbce44 | 187 | game.update(pad); | 
| joshdavy | 8:21b6d4dbce44 | 188 | game.draw(lcd); | 
| joshdavy | 10:58cf89dd878c | 189 | |
| joshdavy | 10:58cf89dd878c | 190 | // If the games won goes to the you_win screen. | 
| joshdavy | 9:96969b1c6bde | 191 | if (game.game_won()) { | 
| joshdavy | 9:96969b1c6bde | 192 | you_win(); | 
| joshdavy | 10:58cf89dd878c | 193 | |
| joshdavy | 9:96969b1c6bde | 194 | } | 
| joshdavy | 10:58cf89dd878c | 195 | game_timer.reset(); | 
| joshdavy | 8:21b6d4dbce44 | 196 | } | 
| joshdavy | 9:96969b1c6bde | 197 | // If the music timer is above the music tick time update the music object | 
| joshdavy | 8:21b6d4dbce44 | 198 | if (music_timer.read_us() > MUSIC_TICK_TIME) { | 
| joshdavy | 10:58cf89dd878c | 199 | music.play_next(); | 
| joshdavy | 10:58cf89dd878c | 200 | music_timer.reset(); | 
| joshdavy | 8:21b6d4dbce44 | 201 | } | 
| joshdavy | 10:58cf89dd878c | 202 | } | 
| joshdavy | 10:58cf89dd878c | 203 | } |