main.cpp

00001 /*
00002 ELEC2645 Embedded Systems Project
00003 School of Electronic & Electrical Engineering University of Leeds
00004 Name: Kostadin Chakarov
00005 Username: el17kec
00006 Student ID Number:201171978 Date:11/03/2019
00007 */
00008 
00009 // Breakout logo sprite 
00010 const int breakout[10][75] =   {
00011     { 1,0,0,1,1,0,0,0,0,0,1,0,0,1,1,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,1,1,1,1,1,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0 },
00012     { 1,0,1,0,0,1,0,0,1,0,1,0,1,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,1,0,0,1,1,1,0,0,1,0,1,1,1,1,1,1,1,1,1 },
00013     { 1,1,0,0,0,0,1,0,0,1,1,1,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,1,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,1,0,0,1,1,1,0,0,1,0,0,0,0,0,1,0,0,0,0 },
00014     { 1,1,0,1,1,1,1,0,0,0,1,1,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,1,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0 },
00015     { 1,0,1,0,0,1,1,0,0,0,1,1,1,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,1,0,0,1,0,0,1,0,0,1,0 },
00016     { 1,1,0,1,1,0,0,1,0,0,1,0,1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,1,0,1,1,1,0,1,0,1,1,1 },
00017     { 1,1,0,0,0,0,0,1,0,0,1,0,0,1,0,0,0,0,1,1,1,1,1,1,1,1,0,0,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,1,0,0,1,0,0,1,0,0,1,0 },
00018     { 1,1,0,0,0,0,0,1,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1,1,1,0,1,0,0,1,0,0,0,0,1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0 },
00019     { 1,0,1,0,0,0,1,0,0,0,1,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,0,0,1,1,1,0,0,1,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0 },
00020     { 1,0,0,1,1,1,0,0,0,0,1,0,0,0,0,0,1,0,1,1,1,1,1,1,1,1,0,1,0,0,0,1,0,0,0,1,0,1,0,0,0,0,0,0,1,0,1,1,1,1,1,1,1,1,1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,1,0,0,0,0 },
00021 };
00022 
00023 ///////// pre-processor directives ////////
00024 #include "mbed.h"
00025 #include "N5110.h"
00026 #include "Gamepad.h"
00027 #include "Paddle.h"
00028 #include "Ball.h"
00029 #include "Map.h"
00030 
00031 #define WITH_TESTING
00032 #ifdef WITH_TESTING
00033 #include "tests.h"
00034 #endif
00035 
00036 const int fps = 20; // Sets the fps of the game, doesn't change 
00037 
00038 /////////////// objects ///////////////
00039 AnalogIn pot(PTB2); // Potentiometer to set contrast of screen 
00040 N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);  // K64F - pwr from 3V3
00041 Gamepad pad; // Gamepad buttons 
00042 Paddle paddle; // Paddle object 
00043 Ball ball; // Ball object 
00044 Map map; // Map object 
00045 
00046 ///////////// function prototypes ///////////////
00047 void init();        // Initialize LCD and Gamepad 
00048 void welcome();     // Simple welcome screen displayed on start-up 
00049 void render();      // Used as the game loop
00050 void contrast();    // Allows to set contrast, if not suitable  
00051 
00052 ///////////// functions ////////////////
00053 int main() 
00054 {
00055 #ifdef WITH_TESTING
00056 int number_of_failures = run_tests();
00057 if(number_of_failures > 0) return number_of_failures;  
00058 #endif
00059  
00060     init();     // Initialize LCD and Gamepad 
00061     welcome();  // Waiting for the user to start  
00062     render();   // Game Loop  
00063 }
00064 
00065 
00066 void init() 
00067 {
00068   lcd.init();               // Initialize the LCD 
00069   pad.init();               // Initialize the Gamepad 
00070   lcd.setContrast(0.55);    // Initially set contrast to 55% 
00071   lcd.normalMode();         // Normal color mode 
00072   lcd.setBrightness(0.5);   // Puts LED backlight on 50% 
00073 }   
00074 
00075 /** Simple welcome screen displayed on start-up */
00076 void welcome() 
00077 {
00078     lcd.printString("Welcome to",12,0);
00079     lcd.drawSprite(5,15,10,75,(int *)breakout); // x origin, y origin, rows, cols, sprite
00080     lcd.printString("Press A ",2,4);
00081     lcd.printString("for Controls ",11,5);
00082     lcd.refresh();   
00083     
00084     // Wait to move to next menu 
00085     while (pad.check_event(Gamepad::A_PRESSED) == false) 
00086     {
00087 
00088     }
00089     lcd.clear();  
00090     lcd.printString("Use pot to ->",4,0);
00091     lcd.printString("set contrast",4,1);
00092     lcd.printString("Use Joystick ",6,2);
00093     lcd.printString("to move paddle ",0,3);
00094     lcd.printString("Press Start ",9,4);
00095     lcd.printString("to begin ",16,5);
00096     lcd.refresh();  
00097     // Flash LEDs until start button is pressed 
00098     while (pad.check_event(Gamepad::START_PRESSED) == false) 
00099     {
00100         for (int i = 1; i < 7; i++) 
00101         {
00102             pad.led(i,1);
00103             wait(0.1);
00104             pad.led(i,0);
00105         }  
00106     }
00107 }
00108 
00109 /** Resets everything if game is won / lost */
00110 void resetGame()
00111 {
00112     paddle.reset(); // Reset paddle
00113     ball.reset();   // Reset ball 
00114     map.reset();    // Reset map 
00115     map.score = 0;  // Reset score 
00116 }
00117 
00118 /** Checks if game is lost */
00119 void checkLost()
00120 {
00121     const Vector2D& posPad = paddle.getPos();
00122     // Checks if ball is below paddle, i.e. lost 
00123     if (ball.getPos().y > posPad.y) 
00124     {
00125         while (1) 
00126         {
00127             // Prints a simple 'lost' message and score and asks if you want to restart
00128             lcd.clear();
00129             char finalscore[14];
00130             sprintf(finalscore,"Score = %d",map.score);
00131             lcd.printString(finalscore,0,0);
00132             lcd.printString("You Lost",17,2);
00133             lcd.printString("Press A",20,3);
00134             lcd.printString("to restart",12,4);
00135             wait(0.1);
00136             lcd.refresh();
00137             // Checks if reset button is pressed, if it is reset 
00138             if (pad.check_event(Gamepad::A_PRESSED) == true)
00139             {
00140                 resetGame();
00141                 break;           
00142             }
00143         }
00144     }
00145 }
00146 
00147 /** Checks if level / game is won */
00148 void checkWon() 
00149 {
00150     if (map.checkLevel()) {
00151         // We have cleared a level 
00152         ball.reset();       // Reset ball 
00153         paddle.reset();     // Reset paddle 
00154         
00155         if (map.hasWon()) {
00156              // We have cleared all levels 
00157              while (1) 
00158             {   
00159                 // Prints win message and score and asks if you want to restart 
00160                 lcd.clear();
00161                 char finalscore[14];
00162                 sprintf(finalscore,"Score = %d",map.score);
00163                 lcd.printString(finalscore,0,0);
00164                 lcd.printString("You WON!",17,2);
00165                 lcd.printString("Press B",20,3);
00166                 lcd.printString("to restart",12,4);
00167                 wait(0.1);
00168                 lcd.refresh();
00169                 // Checks if reset button is pressed, if it is reset 
00170                 if (pad.check_event(Gamepad::B_PRESSED) == true)
00171                 {
00172                     resetGame();
00173                     break;           
00174                 }
00175             }
00176         }
00177     }
00178 }
00179 
00180 /** Game loop */
00181 void render() 
00182 {
00183     
00184     
00185     map.initBricks(); // Initialize the map 
00186     
00187     while(1) 
00188     {  
00189         
00190         // Physics, movement, control input + game logic 
00191         // Control Input 
00192         paddle.controlPaddle(pad); 
00193         
00194         // Movement and physics 
00195         ball.move();
00196         paddle.move();
00197         
00198         map.checkCollision(ball, paddle);
00199         map.update();
00200         ball.hitPad(paddle);
00201         
00202         // Rendering 
00203         lcd.clear();        // Initialize render 
00204         contrast();         // Sets contrast 
00205         map.drawMap(lcd);   // Draw map objects 
00206         paddle.draw(lcd);   // Draws paddle 
00207         ball.draw(lcd);     // Draws ball 
00208         
00209         lcd.refresh();      // Finalize render 
00210         
00211         wait(1.0f/fps);     // Frames per second 
00212         
00213         // Check Lost/Won 
00214         checkLost();
00215         checkWon();
00216     }
00217 }
00218 
00219 /** Allows to set contrast, if not suitable */
00220 void contrast() 
00221 {
00222     float contrast = pot.read(); // Read value from potentiometer(0-1) 
00223     lcd.setContrast(contrast); // Set that value for the contrast 
00224 }
00225