Hugo Hu / Mbed 2 deprecated BRAVEHEART

A complex 2D-dungeon game on LPC1768 in SWJTU-Leeds Joint School XJEL2645 project. Referenced from the framework contributed by https://os.mbed.com/users/Siriagus/code/SimplePlatformGame/

Dependencies:   mbed N5110 ShiftReg PinDetect

Game.cpp@8:9ac6a428fa26, 2015-05-02 (annotated)

Committer:
Siriagus
Date:
Sat May 02 00:22:43 2015 +0000
Revision:
8:9ac6a428fa26
Parent:
7:678873947b29
Child:
9:da608ae65df9
Added Splash/Title Screen + Prototyping player movement

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Siriagus 7:678873947b29 1 #include "Game.h"
Siriagus 7:678873947b29 2
Siriagus 8:9ac6a428fa26 3 Serial pc(USBTX, USBRX); // TO DELETE - DEBUGGING ONLY
Siriagus 8:9ac6a428fa26 4
Siriagus 8:9ac6a428fa26 5 bool Game::btnAPressed = false;
Siriagus 8:9ac6a428fa26 6 bool Game::btnBPressed = false;
Siriagus 8:9ac6a428fa26 7
Siriagus 8:9ac6a428fa26 8 void Game::btnAPress() {btnAPressed = true;}
Siriagus 8:9ac6a428fa26 9
Siriagus 8:9ac6a428fa26 10 void Game::btnBPress() {btnBPressed = true;}
Siriagus 8:9ac6a428fa26 11
Siriagus 8:9ac6a428fa26 12 // BUG: Registrer jo bare btn press, må være en bedre måte, men er trøtt nå
Siriagus 8:9ac6a428fa26 13
Siriagus 8:9ac6a428fa26 14 void Game::init()
Siriagus 8:9ac6a428fa26 15 {
Siriagus 8:9ac6a428fa26 16 input->addBtnPressInterrupt(input->btnA, &btnAPress);
Siriagus 8:9ac6a428fa26 17 input->addBtnPressInterrupt(input->btnB, &btnBPress);
Siriagus 8:9ac6a428fa26 18 }
Siriagus 8:9ac6a428fa26 19
Siriagus 8:9ac6a428fa26 20 // Functions
Siriagus 7:678873947b29 21 void Game::update(float dt)
Siriagus 7:678873947b29 22 {
Siriagus 8:9ac6a428fa26 23 // Handle input, should be its own function
Siriagus 8:9ac6a428fa26 24 switch(input->joystick->getDirection())
Siriagus 8:9ac6a428fa26 25 {
Siriagus 8:9ac6a428fa26 26
Siriagus 8:9ac6a428fa26 27 case LEFT:
Siriagus 8:9ac6a428fa26 28 case UP_LEFT:
Siriagus 8:9ac6a428fa26 29 case DOWN_LEFT:
Siriagus 8:9ac6a428fa26 30 player.vx = -2;
Siriagus 8:9ac6a428fa26 31 break;
Siriagus 8:9ac6a428fa26 32
Siriagus 8:9ac6a428fa26 33 case RIGHT:
Siriagus 8:9ac6a428fa26 34 case UP_RIGHT:
Siriagus 8:9ac6a428fa26 35 case DOWN_RIGHT:
Siriagus 8:9ac6a428fa26 36 player.vx = 2;
Siriagus 8:9ac6a428fa26 37 break;
Siriagus 8:9ac6a428fa26 38
Siriagus 8:9ac6a428fa26 39
Siriagus 8:9ac6a428fa26 40 case UP:
Siriagus 8:9ac6a428fa26 41 //player.vy = -4;
Siriagus 8:9ac6a428fa26 42 break;
Siriagus 8:9ac6a428fa26 43 case DOWN:
Siriagus 8:9ac6a428fa26 44 player.vy += 1;
Siriagus 8:9ac6a428fa26 45 break;
Siriagus 8:9ac6a428fa26 46
Siriagus 8:9ac6a428fa26 47 case CENTER:
Siriagus 8:9ac6a428fa26 48 player.vx = 0;
Siriagus 8:9ac6a428fa26 49 break;
Siriagus 8:9ac6a428fa26 50 }
Siriagus 7:678873947b29 51
Siriagus 8:9ac6a428fa26 52
Siriagus 8:9ac6a428fa26 53
Siriagus 8:9ac6a428fa26 54 if (player.y < HEIGHT-10) player.vy += 1; // gravity
Siriagus 8:9ac6a428fa26 55 else if (player.vy > 0) {player.vy = 0; player.onGround = true;}
Siriagus 8:9ac6a428fa26 56
Siriagus 8:9ac6a428fa26 57
Siriagus 8:9ac6a428fa26 58 if (Game::btnAPressed) // && player.onGround)
Siriagus 8:9ac6a428fa26 59 {
Siriagus 8:9ac6a428fa26 60 player.vy = -4;
Siriagus 8:9ac6a428fa26 61 btnAPressed = player.onGround = false;
Siriagus 8:9ac6a428fa26 62 pc.printf("Her er jeg\n");
Siriagus 8:9ac6a428fa26 63 }
Siriagus 8:9ac6a428fa26 64
Siriagus 8:9ac6a428fa26 65 if (player.vy > 3) player.vy = 3;
Siriagus 8:9ac6a428fa26 66
Siriagus 8:9ac6a428fa26 67 player.x += player.vx;
Siriagus 8:9ac6a428fa26 68 player.y += player.vy;
Siriagus 8:9ac6a428fa26 69
Siriagus 8:9ac6a428fa26 70 // Bullets - TODO: Give the bullets a direction - need to delete them when they go off the screen
Siriagus 8:9ac6a428fa26 71 if (btnBPressed)
Siriagus 8:9ac6a428fa26 72 {
Siriagus 8:9ac6a428fa26 73 Point* bullet = new Point;
Siriagus 8:9ac6a428fa26 74 bullet->x = player.x-1;
Siriagus 8:9ac6a428fa26 75 bullet->y = player.y + 2;
Siriagus 8:9ac6a428fa26 76
Siriagus 8:9ac6a428fa26 77 bullets.push_back(bullet);
Siriagus 8:9ac6a428fa26 78 btnBPressed = false;
Siriagus 8:9ac6a428fa26 79 }
Siriagus 8:9ac6a428fa26 80
Siriagus 8:9ac6a428fa26 81 // Loop through bullets and move them
Siriagus 8:9ac6a428fa26 82 for (std::vector<Point*>::iterator it = bullets.begin(); it != bullets.end(); ++it)
Siriagus 8:9ac6a428fa26 83 {
Siriagus 8:9ac6a428fa26 84 (*it)->x -= 4;
Siriagus 8:9ac6a428fa26 85
Siriagus 8:9ac6a428fa26 86 // TODO: Check for collisions
Siriagus 8:9ac6a428fa26 87 // TODO: Go both ways
Siriagus 8:9ac6a428fa26 88 // TODO: Delete the pointers on erase!
Siriagus 8:9ac6a428fa26 89 }
Siriagus 7:678873947b29 90 }
Siriagus 7:678873947b29 91
Siriagus 7:678873947b29 92 void Game::render()
Siriagus 7:678873947b29 93 {
Siriagus 8:9ac6a428fa26 94
Siriagus 8:9ac6a428fa26 95 // Draw player - TODO: Make this a part of sprite class (so they can draw themselves)
Siriagus 8:9ac6a428fa26 96 int x0, x1, y0, y1;
Siriagus 8:9ac6a428fa26 97 x0 = (player.x < 0) ? 0 : player.x; // x0 = max(0,x);
Siriagus 8:9ac6a428fa26 98 y0 = (player.y < 0) ? 0 : player.y; // y0 = max(0,y);
Siriagus 8:9ac6a428fa26 99 x1 = (player.width + player.x > WIDTH) ? WIDTH : player.width + player.x; //x1 = min(WIDTH, width);
Siriagus 8:9ac6a428fa26 100 y1 = (player.height + player.y > HEIGHT) ? HEIGHT : player.height + player.y; //y1 = min(HEIGHT, height);
Siriagus 8:9ac6a428fa26 101
Siriagus 8:9ac6a428fa26 102 for (int i = y0; i < y1; ++i)
Siriagus 8:9ac6a428fa26 103 {
Siriagus 8:9ac6a428fa26 104 for (int j = x0; j < x1; ++j)
Siriagus 8:9ac6a428fa26 105 {
Siriagus 8:9ac6a428fa26 106 if (Image::Player[i-y0][j-x0])
Siriagus 8:9ac6a428fa26 107 lcd->setPixel(j,i);
Siriagus 8:9ac6a428fa26 108 }
Siriagus 8:9ac6a428fa26 109 }
Siriagus 8:9ac6a428fa26 110
Siriagus 8:9ac6a428fa26 111 // bullets
Siriagus 8:9ac6a428fa26 112 for (std::vector<Point*>::iterator it = bullets.begin(); it != bullets.end(); ++it)
Siriagus 8:9ac6a428fa26 113 {
Siriagus 8:9ac6a428fa26 114 int x, y;
Siriagus 8:9ac6a428fa26 115 x = (*it)->x;
Siriagus 8:9ac6a428fa26 116 y = (*it)->y;
Siriagus 8:9ac6a428fa26 117
Siriagus 8:9ac6a428fa26 118
Siriagus 8:9ac6a428fa26 119 if (x >= 0 && x < WIDTH && y >= 0 && y < HEIGHT) // Boundary check
Siriagus 8:9ac6a428fa26 120 {
Siriagus 8:9ac6a428fa26 121 lcd->setPixel(x,y);
Siriagus 8:9ac6a428fa26 122 }
Siriagus 8:9ac6a428fa26 123 // else // TODO: delete bullet - maybe iterate backwards?
Siriagus 8:9ac6a428fa26 124 }
Siriagus 7:678873947b29 125 }