Osman Ali / Mbed 2 deprecated MORTAL_KOMBAT_2645

Mortal Kombat Game ELEC2645

Dependencies:   mbed N5110 ShiftReg Joystick

GameEngine.cpp@16:4a1d916d97c5, 2021-04-27 (annotated)

Committer:
ozy
Date:
Tue Apr 27 22:46:33 2021 +0000
Revision:
16:4a1d916d97c5
Parent:
15:7fd2d34f3be5
Child:
17:928edcdd1058
Enemy collision success

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 7:737fb0c3dbef 5 void GameEngine::init(){
ozy 7:737fb0c3dbef 6 _fighter.init();
ozy 14:7f23841685ad 7 _enemy.init();
ozy 6:a1a7dc264fed 8 }
ozy 6:a1a7dc264fed 9
ozy 7:737fb0c3dbef 10 void GameEngine::start(N5110 &lcd, DigitalIn &buttonA, DigitalIn &buttonB, DigitalIn &buttonC, DigitalIn &buttonD, AnalogIn &joy_v, AnalogIn &joy_h) {
ozy 15:7fd2d34f3be5 11 // initializing and drawing enemy AI agent
ozy 12:b4477a312158 12 enemy_AI(lcd);
ozy 7:737fb0c3dbef 13 // function that draws fighter and allows user to control it
ozy 7:737fb0c3dbef 14 _fighter.move_fighter(lcd, buttonA, buttonB, buttonC, buttonD, joy_v, joy_h);
ozy 16:4a1d916d97c5 15 check_collision(lcd, buttonC);
ozy 7:737fb0c3dbef 16 lcd.refresh();
ozy 10:e83899f11e8a 17
ozy 7:737fb0c3dbef 18 }
ozy 7:737fb0c3dbef 19
ozy 8:e2e2eb4ea0ca 20 void GameEngine::enemy_AI(N5110 &lcd) {
ozy 8:e2e2eb4ea0ca 21 int fighter_pos = _fighter.get_x();
ozy 8:e2e2eb4ea0ca 22 printf("f pos = %i \n", fighter_pos);
ozy 8:e2e2eb4ea0ca 23 int enemy_pos = _enemy.get_x();
ozy 8:e2e2eb4ea0ca 24 printf("e pos = %i \n", enemy_pos);
ozy 10:e83899f11e8a 25
ozy 8:e2e2eb4ea0ca 26 int input = 0;
ozy 8:e2e2eb4ea0ca 27 int diff = fighter_pos - enemy_pos;
ozy 8:e2e2eb4ea0ca 28 printf("diff = %i \n", diff);
ozy 12:b4477a312158 29 // 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 30 if (diff > 0) {
ozy 8:e2e2eb4ea0ca 31 input = 1;
ozy 8:e2e2eb4ea0ca 32 }
ozy 8:e2e2eb4ea0ca 33 else {input = 0;}
ozy 16:4a1d916d97c5 34 if (diff >= -10 && diff <= 10){ // randomize enemy fight moves only in fighting range
ozy 14:7f23841685ad 35 _enemy.draw(lcd, input);
ozy 12:b4477a312158 36 _enemy.randomize_moves(lcd, input);
ozy 13:eaf070d5f599 37 // check for collision (without guard ON)
ozy 13:eaf070d5f599 38 // function to reduce enemy health or fighter health
ozy 16:4a1d916d97c5 39 // check_end_of_game
ozy 12:b4477a312158 40 }
ozy 14:7f23841685ad 41 // code for enemy to move to fighter if he is to the right
ozy 16:4a1d916d97c5 42 else if ((enemy_pos < fighter_pos) && (diff > 10) && (rand()%3 < 1)) {
ozy 14:7f23841685ad 43 _enemy.add_x(5);
ozy 14:7f23841685ad 44 _enemy.move_right(lcd);
ozy 14:7f23841685ad 45 }
ozy 14:7f23841685ad 46 // code for enemy to move to fighter if he is to the left
ozy 16:4a1d916d97c5 47 else if ((enemy_pos > fighter_pos) && (diff < 10) && (rand()%3 < 1)) {
ozy 14:7f23841685ad 48 _enemy.add_x(-5);
ozy 13:eaf070d5f599 49 _enemy.move_left(lcd);
ozy 13:eaf070d5f599 50 }
ozy 14:7f23841685ad 51 else {
ozy 14:7f23841685ad 52 _enemy.draw(lcd, input);
ozy 13:eaf070d5f599 53 }
ozy 8:e2e2eb4ea0ca 54 }
ozy 15:7fd2d34f3be5 55
ozy 16:4a1d916d97c5 56 void GameEngine::check_collision(N5110 &lcd, DigitalIn &buttonC) {
ozy 16:4a1d916d97c5 57 int fighter_pos = _fighter.get_x();
ozy 16:4a1d916d97c5 58 int enemy_pos = _enemy.get_x();
ozy 16:4a1d916d97c5 59 int diff = fighter_pos - enemy_pos;
ozy 16:4a1d916d97c5 60 int input;
ozy 16:4a1d916d97c5 61 if (diff > 0) {
ozy 16:4a1d916d97c5 62 input = 1;
ozy 16:4a1d916d97c5 63 }
ozy 16:4a1d916d97c5 64 else {input = 0;}
ozy 16:4a1d916d97c5 65 int fighter_y = _fighter.get_y(); // getting fighter y pos to avoid enemy hitting fighter while fighter is above him
ozy 16:4a1d916d97c5 66 // code to check enemy collision
ozy 16:4a1d916d97c5 67 // check in fight range check enemy fight move check fighter is not guarding check fighter is on gound
ozy 16:4a1d916d97c5 68 if ((diff >= -10 && diff <= 10) && (_enemy.randomize_moves(lcd, input)) && (buttonC.read() != 1) && (fighter_y == 34)) {
ozy 16:4a1d916d97c5 69 printf("enemy collision detected!");
ozy 16:4a1d916d97c5 70 printf("random move = %i", _enemy.randomize_moves(lcd, input));
ozy 16:4a1d916d97c5 71 }
ozy 16:4a1d916d97c5 72 // code to check fight collision
ozy 13:eaf070d5f599 73 }
ozy 8:e2e2eb4ea0ca 74