ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_PROJECT_EL18KK

Dependencies:   mbed

Game/Game.cpp@15:5bf3f951d337, 2020-05-18 (annotated)

Committer:
KaifK
Date:
Mon May 18 18:03:43 2020 +0000
Revision:
15:5bf3f951d337
Parent:
14:652fd55aebcf
Child:
16:1f196a0e12be
Game v1 complete (still some debounce errors)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
KaifK 4:08a0ff6668df 1 #include "Game.h"
KaifK 8:5ede90f99a27 2
KaifK 9:e6566d09f087 3 Game::Game(N5110 &lcd, Gamepad &pad, Ball &ball) {
KaifK 9:e6566d09f087 4 _lcd = &lcd;
KaifK 9:e6566d09f087 5 _pad = &pad;
KaifK 9:e6566d09f087 6 _ball = &ball;
KaifK 9:e6566d09f087 7 }
KaifK 4:08a0ff6668df 8 Game::~Game() {}
KaifK 4:08a0ff6668df 9
KaifK 4:08a0ff6668df 10 void Game::init() {
KaifK 4:08a0ff6668df 11 _is_goal = false;
KaifK 8:5ede90f99a27 12 _lives = 3;
KaifK 12:ca7329a41fc5 13 _level = 1;
KaifK 8:5ede90f99a27 14 _score = 0;
KaifK 9:e6566d09f087 15 _speed = 0.30f;
KaifK 9:e6566d09f087 16 _x_val = 42.00f;
KaifK 9:e6566d09f087 17 _y_val = 0.00f;
KaifK 7:2a3b566aedd3 18 _shot_x = 0;
KaifK 7:2a3b566aedd3 19 _shot_y = 0;
KaifK 4:08a0ff6668df 20 }
KaifK 9:e6566d09f087 21 void Game::play() {
KaifK 14:652fd55aebcf 22 // if all lives are lost or start is pressed game ends
KaifK 14:652fd55aebcf 23 while(_lives > 0 && !_pad->start_pressed()) {
KaifK 15:5bf3f951d337 24 _level = random_level_gen(10); //generate random level
KaifK 12:ca7329a41fc5 25 printf("Level (in game) = %d \n", _level);
KaifK 15:5bf3f951d337 26 _ball->set_level(_level); //set level
KaifK 15:5bf3f951d337 27 readInput(); //take input
KaifK 15:5bf3f951d337 28 _ball->isGoal(_level, _shot_x, _shot_y); //check if goal
KaifK 15:5bf3f951d337 29 //goal scored
KaifK 12:ca7329a41fc5 30 if(_ball->get_goal()) {
KaifK 15:5bf3f951d337 31 _ball->playShot(_shot_x, _shot_y);
KaifK 12:ca7329a41fc5 32 _score++;
KaifK 15:5bf3f951d337 33 print_goal_message(1);
KaifK 12:ca7329a41fc5 34 }
KaifK 15:5bf3f951d337 35 //goal missed
KaifK 15:5bf3f951d337 36 else {
KaifK 15:5bf3f951d337 37 // ball should not go through obstacle hence y value limited to 21
KaifK 15:5bf3f951d337 38 // this is done after calculations to ensure accurate results
KaifK 15:5bf3f951d337 39 if(_shot_y >= 6) { _shot_y = 21; }
KaifK 15:5bf3f951d337 40 _ball->playShot(_shot_x, _shot_y);
KaifK 15:5bf3f951d337 41 _lives--;
KaifK 15:5bf3f951d337 42 print_goal_message(0);
KaifK 15:5bf3f951d337 43 }
KaifK 15:5bf3f951d337 44 updateSpeed();
KaifK 12:ca7329a41fc5 45 }
KaifK 8:5ede90f99a27 46 }
KaifK 7:2a3b566aedd3 47
KaifK 9:e6566d09f087 48 void Game::readInput() {
KaifK 9:e6566d09f087 49 _x_val = 42; //reset x_val
KaifK 9:e6566d09f087 50 _y_val = 0; //reset y_val
KaifK 9:e6566d09f087 51 while(!_pad->A_pressed()) {
KaifK 9:e6566d09f087 52 pointer_input();
KaifK 7:2a3b566aedd3 53 }
KaifK 9:e6566d09f087 54 wait(0.1);
KaifK 9:e6566d09f087 55 while(!_pad->B_pressed()) {
KaifK 9:e6566d09f087 56 power_meter_input();
KaifK 6:09a555c0d997 57 }
KaifK 9:e6566d09f087 58 wait(0.1);
KaifK 8:5ede90f99a27 59 convert_to_shot_x();
KaifK 7:2a3b566aedd3 60 convert_to_shot_y();
KaifK 9:e6566d09f087 61 printf("x val = %.2f \n",_x_val);
KaifK 7:2a3b566aedd3 62 printf("shot_x val = %d \n",_shot_x);
KaifK 9:e6566d09f087 63 printf("y val = %.2f \n",_y_val);
KaifK 7:2a3b566aedd3 64 printf("shot_y val = %d \n",_shot_y);
KaifK 7:2a3b566aedd3 65
KaifK 6:09a555c0d997 66 }
KaifK 9:e6566d09f087 67 void Game::updateLives() {
KaifK 15:5bf3f951d337 68 _pad->leds(0.0);
KaifK 5:ed71996c0534 69 switch(_lives){
KaifK 14:652fd55aebcf 70 case 0:
KaifK 14:652fd55aebcf 71 break;
KaifK 5:ed71996c0534 72 case 1:
KaifK 9:e6566d09f087 73 _pad->led(1,1.0); //red leds only
KaifK 9:e6566d09f087 74 _pad->led(4,1.0);
KaifK 5:ed71996c0534 75 break;
KaifK 5:ed71996c0534 76 case 2:
KaifK 9:e6566d09f087 77 _pad->led(1,1.0); //red and yellow leds
KaifK 9:e6566d09f087 78 _pad->led(2,1.0);
KaifK 9:e6566d09f087 79 _pad->led(4,1.0);
KaifK 9:e6566d09f087 80 _pad->led(5,1.0);
KaifK 5:ed71996c0534 81 break;
KaifK 5:ed71996c0534 82 case 3:
KaifK 9:e6566d09f087 83 _pad->leds(1.0);
KaifK 5:ed71996c0534 84 break;
KaifK 5:ed71996c0534 85 default:
KaifK 7:2a3b566aedd3 86 error("Invalid Number of Lives");
KaifK 5:ed71996c0534 87 break;
KaifK 5:ed71996c0534 88 }
KaifK 15:5bf3f951d337 89 // +1 life if score hits a multiple of 5 provided less than 3 lives left
KaifK 15:5bf3f951d337 90 if(_score % 5 == 0 && _score != 0 && _lives != 3) { _lives++; }
KaifK 13:5133f00d2a2d 91 printf("Lives = %d \n", _lives);
KaifK 5:ed71996c0534 92 }
KaifK 9:e6566d09f087 93 void Game::updateScore() {
KaifK 5:ed71996c0534 94 char buffer[12];
KaifK 5:ed71996c0534 95 sprintf(buffer,"%d",_score);
KaifK 9:e6566d09f087 96 _lcd->printString(buffer,2,5);
KaifK 9:e6566d09f087 97 }
KaifK 9:e6566d09f087 98 void Game::updateSpeed() {
KaifK 9:e6566d09f087 99 if(abs(_speed) <= 2) { // max speed = 1
KaifK 13:5133f00d2a2d 100 if(_score % 3 == 0 && _score != 0) {
KaifK 9:e6566d09f087 101 _speed = abs(_speed) + 0.20f;
KaifK 9:e6566d09f087 102 }
KaifK 9:e6566d09f087 103 }
KaifK 9:e6566d09f087 104 printf("speed = %.2f \n", _speed);
KaifK 9:e6566d09f087 105 printf("score = %d \n", _score);
KaifK 5:ed71996c0534 106 }
KaifK 7:2a3b566aedd3 107
KaifK 9:e6566d09f087 108 void Game::pointer_input() {
KaifK 9:e6566d09f087 109 updateScore();
KaifK 15:5bf3f951d337 110 updateLives();
KaifK 12:ca7329a41fc5 111 _ball->displayBackground();
KaifK 9:e6566d09f087 112 _ball->init();
KaifK 7:2a3b566aedd3 113 //draw aim pointer
KaifK 9:e6566d09f087 114 _lcd->drawLine(WIDTH / 2 - 5, 41, _x_val, HEIGHT / 2 + 7, 1);//left side
KaifK 9:e6566d09f087 115 _lcd->drawLine(WIDTH / 2 + 5, 41, _x_val, HEIGHT / 2 + 7, 1);//right side
KaifK 12:ca7329a41fc5 116 _lcd->drawLine(WIDTH / 2 + 5, 41, WIDTH / 2 - 5, 41, 1); //base
KaifK 7:2a3b566aedd3 117 _x_val += _speed;
KaifK 9:e6566d09f087 118 //printf("dir = %d \n", _speed);
KaifK 9:e6566d09f087 119 if((int)_x_val >= 70) { _speed = (-1 * _speed); }
KaifK 9:e6566d09f087 120 //pointer points out of screen i.e. 70=84 therefore, switch direction
KaifK 7:2a3b566aedd3 121 //value found through trial and error using print statement
KaifK 9:e6566d09f087 122 else if((int)_x_val <= 12) { _speed = abs(_speed); }
KaifK 9:e6566d09f087 123 _lcd->refresh();
KaifK 9:e6566d09f087 124 _lcd->clear();
KaifK 7:2a3b566aedd3 125 wait(0.01);
KaifK 7:2a3b566aedd3 126 }
KaifK 9:e6566d09f087 127 void Game::power_meter_input() {
KaifK 9:e6566d09f087 128 updateScore();
KaifK 12:ca7329a41fc5 129 _ball->displayBackground();
KaifK 12:ca7329a41fc5 130 _ball->init();
KaifK 7:2a3b566aedd3 131 //keep direction of pointer
KaifK 9:e6566d09f087 132 _lcd->drawLine(WIDTH / 2 - 5, 41, _x_val, HEIGHT / 2 + 7, 1);
KaifK 9:e6566d09f087 133 _lcd->drawLine(WIDTH / 2 + 5, 41, _x_val, HEIGHT / 2 + 7, 1);
KaifK 12:ca7329a41fc5 134 _lcd->drawLine(WIDTH / 2 + 5, 41, WIDTH / 2 - 5, 41, 1);
KaifK 7:2a3b566aedd3 135 //fill and empty power meter
KaifK 9:e6566d09f087 136 _lcd->drawRect(77,27,6,_y_val,FILL_BLACK);
KaifK 9:e6566d09f087 137 _y_val += _speed/2;
KaifK 9:e6566d09f087 138 if((int)_y_val >= 20) { _speed = (-1 * _speed); } //power meter full
KaifK 9:e6566d09f087 139 else if((int)_y_val <= 0) { _speed = abs(_speed); } // power meter empty
KaifK 9:e6566d09f087 140 _lcd->refresh();
KaifK 9:e6566d09f087 141 _lcd->clear();
KaifK 7:2a3b566aedd3 142 wait(0.01);
KaifK 7:2a3b566aedd3 143 }
KaifK 7:2a3b566aedd3 144 void Game::convert_to_shot_x() {
KaifK 9:e6566d09f087 145 //convert from range 12-70 (range of pointer) to 0-84 (range of screen)
KaifK 9:e6566d09f087 146 _shot_x = ((((int)_x_val - 12) * (84)) / (70 - 12));
KaifK 8:5ede90f99a27 147 //ball misses goal completely
KaifK 9:e6566d09f087 148 if(_shot_x <=7) { _shot_x = -20;}
KaifK 9:e6566d09f087 149 else if(_shot_x >=77) { _shot_x = 104;}
KaifK 7:2a3b566aedd3 150 }
KaifK 7:2a3b566aedd3 151 void Game::convert_to_shot_y() {
KaifK 9:e6566d09f087 152 _shot_y = ((((int)_y_val) * (24)) / (20));
KaifK 15:5bf3f951d337 153 if(_shot_y <= 2) {_shot_y = -6; } //shot too high
KaifK 9:e6566d09f087 154 else if (_shot_y >= 19) {_shot_y = 19; }//shot is low, but must enter goal
KaifK 9:e6566d09f087 155 }
KaifK 9:e6566d09f087 156 int Game::random_level_gen(int limit) {
KaifK 15:5bf3f951d337 157 int number = (rand() % limit) + 1; //random level between 1-10
KaifK 15:5bf3f951d337 158 return number;
KaifK 15:5bf3f951d337 159 }
KaifK 15:5bf3f951d337 160 void Game::print_goal_message(int n) {
KaifK 15:5bf3f951d337 161 _ball->displayBackground();
KaifK 15:5bf3f951d337 162 _lcd->drawRect(0,14,84,11,FILL_WHITE);//white background
KaifK 15:5bf3f951d337 163 _lcd->drawRect(0,14,84,11,FILL_TRANSPARENT);//white background
KaifK 15:5bf3f951d337 164
KaifK 15:5bf3f951d337 165 switch(n) {
KaifK 15:5bf3f951d337 166 case 0:
KaifK 15:5bf3f951d337 167 _lcd->printString("MISS!",30,2);
KaifK 15:5bf3f951d337 168 break;
KaifK 15:5bf3f951d337 169 case 1:
KaifK 15:5bf3f951d337 170 _lcd->printString("GOAL!",30,2);
KaifK 15:5bf3f951d337 171 break;
KaifK 15:5bf3f951d337 172 }
KaifK 15:5bf3f951d337 173 _lcd->refresh();
KaifK 15:5bf3f951d337 174 wait(1.5);
KaifK 7:2a3b566aedd3 175 }
KaifK 7:2a3b566aedd3 176
KaifK 8:5ede90f99a27 177