Osman Ali / Mbed 2 deprecated MORTAL_KOMBAT_2645

Mortal Kombat Game ELEC2645

Dependencies:   mbed N5110 ShiftReg Joystick

GameEngine.cpp@18:22bda659c70a, 2021-04-29 (annotated)

Committer:
ozy
Date:
Thu Apr 29 22:40:08 2021 +0000
Revision:
18:22bda659c70a
Parent:
17:928edcdd1058
Child:
19:6c63e1dd7c85
GameEngine Update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ozy 6:a1a7dc264fed 1 #include "GameEngine.h"
ozy 6:a1a7dc264fed 2
ozy 6:a1a7dc264fed 3 GameEngine::GameEngine() {}
ozy 6:a1a7dc264fed 4
ozy 18:22bda659c70a 5 void GameEngine::init(N5110 &lcd, DigitalIn &buttonA, DigitalIn &buttonB, DigitalIn &buttonC){
ozy 18:22bda659c70a 6 _enemy.init();
ozy 7:737fb0c3dbef 7 _fighter.init();
ozy 18:22bda659c70a 8 set_fighter_health(30);
ozy 18:22bda659c70a 9 set_enemy_health(30);
ozy 18:22bda659c70a 10 }
ozy 18:22bda659c70a 11
ozy 18:22bda659c70a 12 int GameEngine::get_fighter_health() {
ozy 18:22bda659c70a 13 return _fighter_health;
ozy 18:22bda659c70a 14 }
ozy 18:22bda659c70a 15
ozy 18:22bda659c70a 16 int GameEngine::get_enemy_health() {
ozy 18:22bda659c70a 17 return _enemy_health;
ozy 18:22bda659c70a 18 }
ozy 18:22bda659c70a 19
ozy 18:22bda659c70a 20 void GameEngine::set_fighter_health(int fighter_health) {
ozy 18:22bda659c70a 21 _fighter_health = fighter_health;
ozy 18:22bda659c70a 22 }
ozy 18:22bda659c70a 23
ozy 18:22bda659c70a 24 void GameEngine::set_enemy_health(int enemy_health) {
ozy 18:22bda659c70a 25 _enemy_health = enemy_health;
ozy 18:22bda659c70a 26 }
ozy 18:22bda659c70a 27
ozy 18:22bda659c70a 28 void GameEngine::reduce_f_health(int fighter_health) {
ozy 18:22bda659c70a 29 _fighter_health -= fighter_health;
ozy 18:22bda659c70a 30 }
ozy 18:22bda659c70a 31
ozy 18:22bda659c70a 32 void GameEngine::reduce_e_health(int enemy_health) {
ozy 18:22bda659c70a 33 _enemy_health -= enemy_health;
ozy 6:a1a7dc264fed 34 }
ozy 6:a1a7dc264fed 35
ozy 7:737fb0c3dbef 36 void GameEngine::start(N5110 &lcd, DigitalIn &buttonA, DigitalIn &buttonB, DigitalIn &buttonC, DigitalIn &buttonD, AnalogIn &joy_v, AnalogIn &joy_h) {
ozy 15:7fd2d34f3be5 37 // initializing and drawing enemy AI agent
ozy 12:b4477a312158 38 enemy_AI(lcd);
ozy 7:737fb0c3dbef 39 // function that draws fighter and allows user to control it
ozy 7:737fb0c3dbef 40 _fighter.move_fighter(lcd, buttonA, buttonB, buttonC, buttonD, joy_v, joy_h);
ozy 18:22bda659c70a 41 int fighter_health = get_fighter_health();
ozy 18:22bda659c70a 42 int enemy_health = get_enemy_health();
ozy 18:22bda659c70a 43 int collision = check_collision(lcd, buttonA, buttonB, buttonC);
ozy 18:22bda659c70a 44 if (collision == 0) {
ozy 18:22bda659c70a 45 reduce_f_health(1);
ozy 18:22bda659c70a 46 printf("fighter health = %i\n", fighter_health);
ozy 18:22bda659c70a 47 }
ozy 18:22bda659c70a 48 else if (collision == 1) {
ozy 18:22bda659c70a 49 reduce_e_health(1);
ozy 18:22bda659c70a 50 printf("enemy health = %i\n", enemy_health);
ozy 18:22bda659c70a 51 }
ozy 7:737fb0c3dbef 52 lcd.refresh();
ozy 7:737fb0c3dbef 53 }
ozy 7:737fb0c3dbef 54
ozy 8:e2e2eb4ea0ca 55 void GameEngine::enemy_AI(N5110 &lcd) {
ozy 8:e2e2eb4ea0ca 56 int fighter_pos = _fighter.get_x();
ozy 17:928edcdd1058 57 //printf("f pos = %i \n", fighter_pos);
ozy 8:e2e2eb4ea0ca 58 int enemy_pos = _enemy.get_x();
ozy 17:928edcdd1058 59 //printf("e pos = %i \n", enemy_pos);
ozy 10:e83899f11e8a 60
ozy 8:e2e2eb4ea0ca 61 int input = 0;
ozy 8:e2e2eb4ea0ca 62 int diff = fighter_pos - enemy_pos;
ozy 17:928edcdd1058 63 // printf("diff = %i \n", diff);
ozy 12:b4477a312158 64 // if difference is positive, fighter is to the right so enemy must look right (if input is 1, enemy looks right) and vice versa
ozy 8:e2e2eb4ea0ca 65 if (diff > 0) {
ozy 8:e2e2eb4ea0ca 66 input = 1;
ozy 8:e2e2eb4ea0ca 67 }
ozy 8:e2e2eb4ea0ca 68 else {input = 0;}
ozy 16:4a1d916d97c5 69 if (diff >= -10 && diff <= 10){ // randomize enemy fight moves only in fighting range
ozy 14:7f23841685ad 70 _enemy.draw(lcd, input);
ozy 12:b4477a312158 71 _enemy.randomize_moves(lcd, input);
ozy 13:eaf070d5f599 72 // check for collision (without guard ON)
ozy 13:eaf070d5f599 73 // function to reduce enemy health or fighter health
ozy 16:4a1d916d97c5 74 // check_end_of_game
ozy 12:b4477a312158 75 }
ozy 14:7f23841685ad 76 // code for enemy to move to fighter if he is to the right
ozy 17:928edcdd1058 77 else if ((enemy_pos < fighter_pos) && (diff > 10) && (rand()%2 > 0)) {
ozy 14:7f23841685ad 78 _enemy.add_x(5);
ozy 14:7f23841685ad 79 _enemy.move_right(lcd);
ozy 14:7f23841685ad 80 }
ozy 14:7f23841685ad 81 // code for enemy to move to fighter if he is to the left
ozy 17:928edcdd1058 82 else if ((enemy_pos > fighter_pos) && (diff < 10) && (rand()%2 > 0)) {
ozy 14:7f23841685ad 83 _enemy.add_x(-5);
ozy 13:eaf070d5f599 84 _enemy.move_left(lcd);
ozy 13:eaf070d5f599 85 }
ozy 14:7f23841685ad 86 else {
ozy 14:7f23841685ad 87 _enemy.draw(lcd, input);
ozy 13:eaf070d5f599 88 }
ozy 8:e2e2eb4ea0ca 89 }
ozy 15:7fd2d34f3be5 90
ozy 18:22bda659c70a 91 int GameEngine::check_collision(N5110 &lcd, DigitalIn &buttonA, DigitalIn &buttonB, DigitalIn &buttonC) {
ozy 16:4a1d916d97c5 92 int fighter_pos = _fighter.get_x();
ozy 16:4a1d916d97c5 93 int enemy_pos = _enemy.get_x();
ozy 16:4a1d916d97c5 94 int diff = fighter_pos - enemy_pos;
ozy 16:4a1d916d97c5 95 int input;
ozy 18:22bda659c70a 96 int collision;
ozy 16:4a1d916d97c5 97 if (diff > 0) {
ozy 16:4a1d916d97c5 98 input = 1;
ozy 16:4a1d916d97c5 99 }
ozy 16:4a1d916d97c5 100 else {input = 0;}
ozy 16:4a1d916d97c5 101 int fighter_y = _fighter.get_y(); // getting fighter y pos to avoid enemy hitting fighter while fighter is above him
ozy 16:4a1d916d97c5 102 // code to check enemy collision
ozy 16:4a1d916d97c5 103 // check in fight range check enemy fight move check fighter is not guarding check fighter is on gound
ozy 17:928edcdd1058 104 if ((diff >= -10 && diff <= 10) && (_enemy.randomize_moves(lcd, input) == 1) && (buttonC.read() != 1) && (fighter_y == 34)) {
ozy 18:22bda659c70a 105 printf("enemy collision detected!\n");
ozy 18:22bda659c70a 106 collision = 0;
ozy 16:4a1d916d97c5 107 }
ozy 16:4a1d916d97c5 108 // code to check fight collision
ozy 17:928edcdd1058 109 // check in fight range check if kick or fight move is performed
ozy 17:928edcdd1058 110 if ((diff >= -10 && diff <= 10) && ((buttonA.read() || buttonB.read()) == 1)) {
ozy 18:22bda659c70a 111 printf("fighter collision detected!\n");
ozy 18:22bda659c70a 112 collision = 1;
ozy 17:928edcdd1058 113 }
ozy 18:22bda659c70a 114 // printf("collision is %i\n", collision);
ozy 18:22bda659c70a 115 return collision;
ozy 13:eaf070d5f599 116 }
ozy 8:e2e2eb4ea0ca 117
ozy 18:22bda659c70a 118
ozy 18:22bda659c70a 119
ozy 18:22bda659c70a 120