ELEC2645 (2018/19) / Mbed 2 deprecated el17arm

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Dependencies:   mbed

main.cpp@56:8c827d1cae3b, 2019-04-24 (annotated)

Committer:
el17arm
Date:
Wed Apr 24 20:09:22 2019 +0000
Revision:
56:8c827d1cae3b
Parent:
48:bd1f31fbfee3
Child:
58:4a826093d9e9
Documentation update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17arm 42:d81c008b0436 1 /*
el17arm 42:d81c008b0436 2 ELEC2645 Embedded Systems Project
el17arm 42:d81c008b0436 3 School of Electronic & Electrical Engineering
el17arm 42:d81c008b0436 4 University of Leeds
el17arm 42:d81c008b0436 5 Name: Andrew Milner
el17arm 42:d81c008b0436 6 Username: el17arm
el17arm 42:d81c008b0436 7 Student ID Number: 201162219
el17arm 42:d81c008b0436 8 Date: 18/03/19
el17arm 42:d81c008b0436 9 */
el17arm 42:d81c008b0436 10
el17arm 45:bad704c546d4 11 ///////// pre-processor directives ////////
el17arm 42:d81c008b0436 12
el17arm 0:fe19852199d2 13 #include "mbed.h"
el17arm 0:fe19852199d2 14 #include "N5110.h"
el17arm 0:fe19852199d2 15 #include "Gamepad.h"
el17arm 29:d85886364643 16 #include "Gameengine.h"
el17arm 0:fe19852199d2 17
el17arm 45:bad704c546d4 18 /////////////// objects ///////////////
el17arm 45:bad704c546d4 19
el17arm 29:d85886364643 20 Gameengine game;
el17arm 0:fe19852199d2 21 Gamepad pad;
el17arm 0:fe19852199d2 22 N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
el17arm 0:fe19852199d2 23 AnalogIn pot0(PTB2);
el17arm 41:0cf320f73424 24 BusOut oxygen(PTA1, PTA2, PTC2);
el17arm 41:0cf320f73424 25 BusOut lives(PTC3, PTC4, PTD3);
el17arm 41:0cf320f73424 26
el17arm 45:bad704c546d4 27 ///////////// prototypes ///////////////
el17arm 45:bad704c546d4 28
el17arm 45:bad704c546d4 29 /**
el17arm 45:bad704c546d4 30 * @brief sets the contrast of lcd screen
el17arm 45:bad704c546d4 31 * @details contrast is adjust with analog input PTB2
el17arm 45:bad704c546d4 32 */
el17arm 0:fe19852199d2 33 void contrast();
el17arm 56:8c827d1cae3b 34 /** Initialises all classes and libraries and default game settings
el17arm 45:bad704c546d4 35 * @details initialises LCD and gamepad library and sets screen brightness
el17arm 45:bad704c546d4 36 */
el17arm 0:fe19852199d2 37 void init();
el17arm 56:8c827d1cae3b 38 /** Displays opening screen
el17arm 45:bad704c546d4 39 * @details Screen displays title of game and instructs player to press start to begin
el17arm 45:bad704c546d4 40 */
el17arm 0:fe19852199d2 41 void start_screen();
el17arm 56:8c827d1cae3b 42 /** Controls LEDs on front panel.
el17arm 45:bad704c546d4 43 * @details Every time a player dies a RHS LED is turned off, as time reduces
el17arm 56:8c827d1cae3b 44 * LEDs turn off on LHS.
el17arm 45:bad704c546d4 45 */
el17arm 41:0cf320f73424 46 void leds();
el17arm 56:8c827d1cae3b 47 /** Initialises and renders all level objects
el17arm 45:bad704c546d4 48 * @details Contains functions for all levels and will display next level objects
el17arm 45:bad704c546d4 49 * once player has completed each level
el17arm 45:bad704c546d4 50 */
el17arm 15:2bda80896a84 51 void render();
el17arm 56:8c827d1cae3b 52 /** Displays screen if game over or game complete
el17arm 56:8c827d1cae3b 53 * @details Screen will display player's final score and display game over or game complete
el17arm 45:bad704c546d4 54 */
el17arm 19:4789cb4ca550 55 void restart();
el17arm 45:bad704c546d4 56
el17arm 45:bad704c546d4 57 ///////////// functions ////////////////
el17arm 45:bad704c546d4 58
el17arm 0:fe19852199d2 59 int main()
el17arm 0:fe19852199d2 60 {
el17arm 45:bad704c546d4 61 init(); // initialises screen and default game settings
el17arm 45:bad704c546d4 62 start_screen(); // waits for user to press start to begin
el17arm 45:bad704c546d4 63
el17arm 45:bad704c546d4 64 // game loop, reads input and updates game accordingly
el17arm 0:fe19852199d2 65 while (1) {
el17arm 41:0cf320f73424 66
el17arm 45:bad704c546d4 67 contrast(); // adjusts contrast of screen
el17arm 45:bad704c546d4 68 render(); // draws all level objects on to screen
el17arm 45:bad704c546d4 69 game.update(lcd, pad); // updates movement, collected keys, lives, time left
el17arm 45:bad704c546d4 70 restart(); // restart screen if game over or end screen if game complete displays final score
el17arm 45:bad704c546d4 71 wait(0.1); // wait function to control fps
el17arm 45:bad704c546d4 72 }
el17arm 45:bad704c546d4 73 }
el17arm 48:bd1f31fbfee3 74
el17arm 41:0cf320f73424 75
el17arm 45:bad704c546d4 76 //initialises all classes and libraries and default game settings
el17arm 0:fe19852199d2 77 void init()
el17arm 0:fe19852199d2 78 {
el17arm 0:fe19852199d2 79 lcd.init();
el17arm 0:fe19852199d2 80 lcd.normalMode(); // normal colour mode
el17arm 0:fe19852199d2 81 lcd.refresh();
el17arm 41:0cf320f73424 82 lcd.setBrightness(1.0);
el17arm 0:fe19852199d2 83 pad.init();
el17arm 29:d85886364643 84 game.game_init();
el17arm 45:bad704c546d4 85 contrast();
el17arm 15:2bda80896a84 86 }
el17arm 2:725c213b2396 87
el17arm 45:bad704c546d4 88 // detects which level is being played and draws the level objects with collision settings
el17arm 15:2bda80896a84 89 void render()
el17arm 15:2bda80896a84 90 {
el17arm 45:bad704c546d4 91 game.draw_l1(lcd, pad); // level 1
el17arm 45:bad704c546d4 92 game.draw_l2(lcd, pad); // level 2
el17arm 45:bad704c546d4 93 game.draw_l3(lcd, pad); // level 3
el17arm 45:bad704c546d4 94 leds(); // function to update leds to reflect time and lives left
el17arm 0:fe19852199d2 95 }
el17arm 0:fe19852199d2 96
el17arm 45:bad704c546d4 97 // controls contrast of the screen
el17arm 0:fe19852199d2 98 void contrast()
el17arm 0:fe19852199d2 99 {
el17arm 0:fe19852199d2 100 lcd.refresh();
el17arm 0:fe19852199d2 101 float con = pot0.read();
el17arm 0:fe19852199d2 102 lcd.setContrast(con);
el17arm 1:813ba5341985 103 lcd.clear();
el17arm 0:fe19852199d2 104 }
el17arm 0:fe19852199d2 105
el17arm 45:bad704c546d4 106 // displays start screen and waits for user to press start
el17arm 0:fe19852199d2 107 void start_screen()
el17arm 45:bad704c546d4 108 {
el17arm 45:bad704c546d4 109 lcd.drawSprite(2,20,8,3,(int *)miner_right);
el17arm 45:bad704c546d4 110 lcd.drawSprite(79,20,8,3,(int *)miner_left);
el17arm 45:bad704c546d4 111 lcd.drawRect(0,0,84,48, FILL_TRANSPARENT);
el17arm 45:bad704c546d4 112 lcd.printString("MANIC MILNER",7,1);
el17arm 45:bad704c546d4 113 lcd.printString("Press start!",8,4);
el17arm 3:d27ee2440829 114 lcd.refresh();
el17arm 0:fe19852199d2 115 while ( pad.check_event(Gamepad::START_PRESSED) == false) {
el17arm 0:fe19852199d2 116 }
el17arm 19:4789cb4ca550 117 }
el17arm 19:4789cb4ca550 118
el17arm 45:bad704c546d4 119 // displays appropriate screen with final score for game over and game complete
el17arm 19:4789cb4ca550 120 void restart()
el17arm 19:4789cb4ca550 121 {
el17arm 29:d85886364643 122 if (game.game_over() == true) {
el17arm 19:4789cb4ca550 123 lcd.clear();
el17arm 41:0cf320f73424 124 game.get_score(lcd);
el17arm 45:bad704c546d4 125 lcd.drawRect(0,0,84,48, FILL_TRANSPARENT);
el17arm 45:bad704c546d4 126 lcd.printString("Game Over! ",14,1);
el17arm 45:bad704c546d4 127 lcd.printString("Score ",18,2);
el17arm 45:bad704c546d4 128 lcd.printString("Play Again?",10,4);
el17arm 44:e29458976114 129 }
el17arm 44:e29458976114 130 if (game.game_complete(lcd) == true) {
el17arm 44:e29458976114 131 lcd.clear();
el17arm 44:e29458976114 132 game.get_score(lcd);
el17arm 45:bad704c546d4 133 lcd.drawRect(0,0,84,48, FILL_TRANSPARENT);
el17arm 45:bad704c546d4 134 lcd.printString("YOU WIN!!! ",12,1);
el17arm 45:bad704c546d4 135 lcd.printString("Score ",18,2);
el17arm 45:bad704c546d4 136 lcd.printString("Well done!!!",8,4);
el17arm 19:4789cb4ca550 137 }
el17arm 41:0cf320f73424 138 }
el17arm 41:0cf320f73424 139
el17arm 45:bad704c546d4 140 // leds indicate how many lives and time left
el17arm 41:0cf320f73424 141 void leds()
el17arm 45:bad704c546d4 142 {
el17arm 45:bad704c546d4 143 // fsm to display lives left
el17arm 41:0cf320f73424 144 int l_leds[4] = {0b111,0b110,0b100,0b000};
el17arm 45:bad704c546d4 145 //fsm to display how much time (oxygen) left
el17arm 41:0cf320f73424 146 int r_leds[4] = {0b111,0b110,0b100,0b000};
el17arm 45:bad704c546d4 147
el17arm 45:bad704c546d4 148 // function keeps track of time elapsed and changes leds accordingly
el17arm 41:0cf320f73424 149 oxygen = l_leds[game.oxygen_leds()];
el17arm 45:bad704c546d4 150 // function keeps track of lives left and changes leds accordingly
el17arm 41:0cf320f73424 151 lives = r_leds[game.lives_leds()];
el17arm 37:4d525a37d5d2 152 }