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Dependencies:   mbed

GameEngine/GameEngine.cpp@5:8bd09c675f28, 2019-05-08 (annotated)

Committer:
adat80
Date:
Wed May 08 19:41:10 2019 +0000
Revision:
5:8bd09c675f28
Parent:
4:87f3f3e5cdd9
Child:
6:f06ce4cf068a
Full Game prior to unused method clean-up;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
adat80 1:3916f272663e 1 #include "GameEngine.h"
adat80 1:3916f272663e 2
adat80 3:97cd7b3d89d0 3
adat80 2:88019d96e1da 4
adat80 1:3916f272663e 5 GameEngine::GameEngine()
adat80 1:3916f272663e 6 {
adat80 1:3916f272663e 7
adat80 1:3916f272663e 8 }
adat80 1:3916f272663e 9
adat80 1:3916f272663e 10 GameEngine::~GameEngine()
adat80 1:3916f272663e 11 {
adat80 1:3916f272663e 12
adat80 1:3916f272663e 13 }
adat80 1:3916f272663e 14
adat80 1:3916f272663e 15 void GameEngine::init(int CrossHairsSpeed, int fps)
adat80 1:3916f272663e 16 {
adat80 1:3916f272663e 17 // initialise the game parameters
adat80 3:97cd7b3d89d0 18 _game_over = false;
adat80 1:3916f272663e 19 _fps = fps;
adat80 3:97cd7b3d89d0 20 _frame = 0;
adat80 3:97cd7b3d89d0 21 _levelNumber = 1;
adat80 2:88019d96e1da 22 _killCount = 0;
adat80 1:3916f272663e 23
adat80 2:88019d96e1da 24 _wall.init(100);
adat80 1:3916f272663e 25 _crossHairs.init(CrossHairsSpeed);
adat80 1:3916f272663e 26
adat80 1:3916f272663e 27
adat80 1:3916f272663e 28
adat80 1:3916f272663e 29
adat80 1:3916f272663e 30 srand(time(NULL));
adat80 1:3916f272663e 31
adat80 1:3916f272663e 32 _enemies = _level.init(_levelNumber);
adat80 1:3916f272663e 33
adat80 1:3916f272663e 34
adat80 1:3916f272663e 35
adat80 1:3916f272663e 36
adat80 1:3916f272663e 37
adat80 1:3916f272663e 38
adat80 1:3916f272663e 39
adat80 1:3916f272663e 40 }
adat80 1:3916f272663e 41
adat80 1:3916f272663e 42 void GameEngine::read_input(Gamepad &pad)
adat80 1:3916f272663e 43 {
adat80 1:3916f272663e 44 _angle = pad.get_angle();
adat80 1:3916f272663e 45 _mag = pad.get_mag();
adat80 1:3916f272663e 46 }
adat80 1:3916f272663e 47
adat80 1:3916f272663e 48 void GameEngine::draw(N5110 &lcd)
adat80 1:3916f272663e 49 {
adat80 4:87f3f3e5cdd9 50
adat80 4:87f3f3e5cdd9 51
adat80 4:87f3f3e5cdd9 52
adat80 1:3916f272663e 53
adat80 1:3916f272663e 54
adat80 3:97cd7b3d89d0 55 char level[14]; // each character is 6 pixels wide, screen is 84 pixels (84/6 = 14)
adat80 2:88019d96e1da 56 // so can display a string of a maximum 14 characters in length
adat80 2:88019d96e1da 57 // or create formatted strings - ensure they aren't more than 14 characters long
adat80 4:87f3f3e5cdd9 58 int length = sprintf(level,"lvl:%i",_levelNumber); // print formatted data to buffer
adat80 2:88019d96e1da 59 // it is important the format specifier ensures the length will fit in the buffer
adat80 2:88019d96e1da 60 if (length <= 14) { // if string will fit on display (assuming printing at x=0)
adat80 3:97cd7b3d89d0 61 lcd.printString(level,23,0);
adat80 2:88019d96e1da 62 }
adat80 2:88019d96e1da 63
adat80 2:88019d96e1da 64
adat80 2:88019d96e1da 65 //draw wall
adat80 2:88019d96e1da 66 _wall.draw(lcd);
adat80 2:88019d96e1da 67
adat80 1:3916f272663e 68
adat80 1:3916f272663e 69
adat80 3:97cd7b3d89d0 70 //draw enemies
adat80 3:97cd7b3d89d0 71 for (int i=0; i < _level.get_number_of_enemies(); i++) {
adat80 1:3916f272663e 72 _enemies[i].draw(lcd);
adat80 1:3916f272663e 73 }
adat80 1:3916f272663e 74
adat80 2:88019d96e1da 75 _crossHairs.draw(lcd);
adat80 1:3916f272663e 76 }
adat80 1:3916f272663e 77
adat80 1:3916f272663e 78 void GameEngine::update(Gamepad &pad)
adat80 1:3916f272663e 79 {
adat80 3:97cd7b3d89d0 80 _frame = _frame + 1;
adat80 3:97cd7b3d89d0 81 if (_frame%(_fps/2) == 0) {
adat80 3:97cd7b3d89d0 82
adat80 3:97cd7b3d89d0 83 for (int i=0; i < _level.get_number_of_enemies(); i++) {
adat80 3:97cd7b3d89d0 84 if(_enemies[i].get_current_action() == attacking) {
adat80 3:97cd7b3d89d0 85 _wall.take_damage(1);
adat80 5:8bd09c675f28 86 if (_wall.get_wall_health() <= 0) {
adat80 5:8bd09c675f28 87 game_over();
adat80 3:97cd7b3d89d0 88 }
adat80 3:97cd7b3d89d0 89 }
adat80 3:97cd7b3d89d0 90 }
adat80 3:97cd7b3d89d0 91 }
adat80 3:97cd7b3d89d0 92
adat80 3:97cd7b3d89d0 93
adat80 1:3916f272663e 94 _level.update(_fps);
adat80 5:8bd09c675f28 95 _crossHairs.update(_angle,_mag);
adat80 1:3916f272663e 96 /*
adat80 1:3916f272663e 97 _enemy.update();
adat80 1:3916f272663e 98 _enemy2.update();
adat80 1:3916f272663e 99 */
adat80 1:3916f272663e 100
adat80 1:3916f272663e 101
adat80 3:97cd7b3d89d0 102 for (int i=0; i < _level.get_number_of_enemies(); i++) {
adat80 2:88019d96e1da 103 _enemies[i].update(_fps);
adat80 1:3916f272663e 104 }
adat80 1:3916f272663e 105
adat80 1:3916f272663e 106 if ( pad.check_event(Gamepad::B_PRESSED) == true) {
adat80 1:3916f272663e 107 fireShot(pad);
adat80 2:88019d96e1da 108 } else if ( pad.check_event(Gamepad::A_PRESSED) == true) {
adat80 2:88019d96e1da 109 fireShot(pad);
adat80 1:3916f272663e 110 }
adat80 1:3916f272663e 111
adat80 1:3916f272663e 112
adat80 1:3916f272663e 113
adat80 1:3916f272663e 114 }
adat80 1:3916f272663e 115
adat80 1:3916f272663e 116 void GameEngine::fireShot(Gamepad &gpad)
adat80 1:3916f272663e 117 {
adat80 2:88019d96e1da 118
adat80 4:87f3f3e5cdd9 119 gpad.tone(400, 0.1);
adat80 2:88019d96e1da 120
adat80 2:88019d96e1da 121
adat80 1:3916f272663e 122 Vector2D shotLoc = _crossHairs.get_pos();
adat80 3:97cd7b3d89d0 123 for(int i = 0; i < _level.get_number_of_enemies(); i++) {
adat80 2:88019d96e1da 124 if (_enemies[i].get_alive()) {
adat80 4:87f3f3e5cdd9 125 was_enemy_shot(i, shotLoc);
adat80 1:3916f272663e 126 }
adat80 1:3916f272663e 127 }
adat80 1:3916f272663e 128 }
adat80 1:3916f272663e 129
adat80 3:97cd7b3d89d0 130
adat80 4:87f3f3e5cdd9 131 void GameEngine::was_enemy_shot(int i, Vector2D shotLoc)
adat80 4:87f3f3e5cdd9 132 {
adat80 4:87f3f3e5cdd9 133
adat80 4:87f3f3e5cdd9 134 Vector2D enemyLoc = _enemies[i].get_pos();
adat80 4:87f3f3e5cdd9 135 if (abs(enemyLoc.x - shotLoc.x) < 4 && abs(enemyLoc.y - shotLoc.y) < 4) {
adat80 4:87f3f3e5cdd9 136 _killCount = _killCount + 1;
adat80 4:87f3f3e5cdd9 137 _enemies[i].set_alive(false);
adat80 4:87f3f3e5cdd9 138 Action myAc;
adat80 4:87f3f3e5cdd9 139 myAc = dying;
adat80 4:87f3f3e5cdd9 140 _enemies[i].set_current_action(myAc);
adat80 4:87f3f3e5cdd9 141
adat80 4:87f3f3e5cdd9 142
adat80 4:87f3f3e5cdd9 143 if (_killCount == _level.get_number_of_enemies()) {
adat80 4:87f3f3e5cdd9 144 _killCount = 0;
adat80 4:87f3f3e5cdd9 145 _levelNumber = _levelNumber + 1;
adat80 4:87f3f3e5cdd9 146 _enemies = _level.init(_levelNumber);
adat80 4:87f3f3e5cdd9 147 }
adat80 4:87f3f3e5cdd9 148 }
adat80 4:87f3f3e5cdd9 149
adat80 4:87f3f3e5cdd9 150
adat80 4:87f3f3e5cdd9 151 }
adat80 4:87f3f3e5cdd9 152
adat80 4:87f3f3e5cdd9 153
adat80 4:87f3f3e5cdd9 154
adat80 4:87f3f3e5cdd9 155
adat80 3:97cd7b3d89d0 156
adat80 3:97cd7b3d89d0 157 bool GameEngine::get_game_over() {
adat80 3:97cd7b3d89d0 158 return _game_over;
adat80 3:97cd7b3d89d0 159
adat80 3:97cd7b3d89d0 160 }
adat80 3:97cd7b3d89d0 161 void GameEngine::set_game_over(bool is_game_over) {
adat80 3:97cd7b3d89d0 162 _game_over = is_game_over;
adat80 3:97cd7b3d89d0 163 }
adat80 5:8bd09c675f28 164
adat80 5:8bd09c675f28 165 void GameEngine::game_over() {
adat80 5:8bd09c675f28 166 _game_over = true;
adat80 5:8bd09c675f28 167
adat80 5:8bd09c675f28 168 }