A retro gaming programme, designed for use on a portable embedded system. Incorporates power saving techniques.
Dependencies: ConfigFile N5110 PowerControl beep mbed
Diff: main.cpp
- Revision:
- 53:a3077af736bb
- Parent:
- 52:bb2acf0e248a
- Child:
- 54:8180eec1656d
--- a/main.cpp Thu Apr 30 19:57:59 2015 +0000 +++ b/main.cpp Thu Apr 30 19:59:54 2015 +0000 @@ -12,6 +12,1170 @@ #include <ctime> #include <cstdlib> +//struct for choosing initials +struct State { + char output1; + char output2; + char output3; + int nextState[2]; +}; + +//assigns new identifier to struct +typedef const struct State STYP; + +//output array for struct Alphabet +STYP fsm[27] = { + //output//nextstate//previousstate// + {'A','A','A',{1,26}}, + {'B','B','B',{2,0}}, + {'C','C','C',{3,1}}, + {'D','D','D',{4,2}}, + {'E','E','E',{5,3}}, + {'F','F','F',{6,4}}, + {'G','G','G',{7,5}}, + {'H','H','H',{8,6}}, + {'I','I','I',{9,7}}, + {'J','J','J',{10,8}}, + {'K','K','K',{11,9}}, + {'L','L','L',{12,10}}, + {'M','M','M',{13,11}}, + {'N','N','N',{14,12}}, + {'O','O','O',{15,13}}, + {'P','P','P',{16,14}}, + {'Q','Q','Q',{17,15}}, + {'R','R','R',{18,16}}, + {'S','S','S',{19,17}}, + {'T','T','T',{20,18}}, + {'U','U','U',{21,19}}, + {'V','V','V',{22,20}}, + {'W','W','W',{23,21}}, + {'X','X','X',{24,22}}, + {'Y','Y','Y',{25,23}}, + {'Z','Z','Z',{26,24}}, + {'.','.','.',{0,25}}, +}; + +//timer to read the joystick +Ticker pollJoystick; + +//serial out for debug +Serial serial(USBTX,USBRX); + +//create enumerated type (0,1,2,3 etc. for direction) +//could be extended for diagonals etc. +enum DirectionName { + UP, + DOWN, + LEFT, + RIGHT, + CENTRE, + UNKNOWN + +}; + +//struct for Joystick +typedef struct JoyStick Joystick; +struct JoyStick { + float x;//current x value + float x0;//'centred' x value + float y;//current y value + float y0;//'centred' y value + int button;//button state (assume pull-down used, so 1 = pressed, 0 = unpressed) + DirectionName direction;//current direction +}; + +//create struct variable +Joystick joystick; + +//if buttonA set flag A +void timerExpiredA() +{ + if(buttonA == 1) { + buttonFlagA = 1; + serial.printf("flagA set\n"); + } +} + +//if buttonB set flag B +void timerExpiredB() +{ + if(buttonB == 1) { + buttonFlagB = 1; + serial.printf("flagB set\n"); + } +} + +//set seed/randomise initial co-Ordinates +void randomise() +{ + srand (time(NULL));//initial seed for randomisation + + //initial random x co-ordinates + //for falling hazards + //(values between 3 and 76) + randX1 = rand() % 74 + 5; + randX2 = rand() % 74 + 5; + randX3 = rand() % 74 + 5; + randX4 = rand() % 74 + 5; + randX5 = rand() % 74 + 5; + randX6 = rand() % 74 + 5; +} + +//static background +void drawBackground() +{ + //x, y, w, h, fill - draw ground + lcd.drawRect(0,47,84,0,1); + //x, y, w, h, fill - draw left wall + lcd.drawRect(2,0,0,47,1); + //left wall - brick line 1 + lcd.drawLine(1,1,1,48,2); + //left wall - brick line 2 + lcd.drawLine(0,0,0,48,2); + + //x, y, w, h, fill - draw right wall + lcd.drawRect(81,0,0,47,1); + //right wall - brick line 1 + lcd.drawLine(82,0,82,48,2); + //right wall - brick line 2 + lcd.drawLine(83,1,83,48,2); + + lcd.refresh(); +} + +//intro screen +void drawWelcome() +{ + //bottom border + lcd.drawRect(0,44,84,2,1); + //top border + lcd.drawRect(0,1,84,2,1); + lcd.refresh(); + + //print initials 'DRT' + lcd.printChar('D',30,2); + wait(0.6); + lcd.printChar('R',37,2); + wait(0.6); + lcd.printChar('T',44,2); + wait(0.6); + + //print 'presents...' + lcd.printString("presents...",8,3); + wait(1.0); + + //dramatic flashing + buzzer.beep(5000,0.3); + lcd.inverseMode(); + wait(0.2); + lcd.normalMode(); + wait(0.2); + buzzer.beep(5000,0.3); + lcd.inverseMode(); + wait(0.2); + lcd.normalMode(); + wait(1.0); + + //more dramatic flashing + buzzer.beep(5000,0.3); + lcd.inverseMode(); + wait(0.2); + lcd.normalMode(); + wait(0.2); + buzzer.beep(5000,0.3); + lcd.inverseMode(); + wait(0.2); + lcd.normalMode(); + wait(0.6); +} + +//pixel ninja character +void drawNinja() +{ + //x, y, w, h, fill - left leg + lcd.drawRect(a1,39,0,7,1); + //right leg + lcd.drawRect(a2,39,0,7,1); + //centre stick + lcd.drawRect(a3,37,0,7,1); + //back of the head + lcd.drawRect(a1,33,0,4,1); + //top of the head + lcd.drawRect(a1,33,4,0,1); + //jaw + lcd.drawRect(a2,38,2,0,1); + //right shoulder + lcd.drawRect(a4,40,1,0,1); + //left shoulder + lcd.drawRect(a5,40,1,0,1); + //left arm + lcd.drawRect(a5,41,0,1,1); + //right arm + lcd.drawRect(a6,41,0,1,1); + //right eye + lcd.drawRect(a6,35,0,0,1); + //mouth piece + lcd.drawRect(a6,37,0,0,1); + //left eye + lcd.drawRect(a2,35,0,0,1); + //sword handle + lcd.drawRect(a7,36,0,0,1); + lcd.drawRect(a5,37,0,0,1); + lcd.drawRect(a8,38,0,0,1); + + lcd.refresh(); +} + +//stops ninja going through walls +void ninjaBoundaries() +{ + if(a6 > 79 ) + a6 = 79; + if(a4 > 78) + a4 = 78; + if(a2 > 77) + a2 = 77; + if(a3 > 76) + a3 = 76; + if(a1 > 75) + a1 = 75; + if(a8 > 74) + a8 = 74; + if(a5 > 73) + a5 = 73; + if(a7 > 72) + a7 = 72; + + if(a6 < 11 ) + a6 = 11; + if(a4 < 10) + a4 = 10; + if(a2 < 9) + a2 = 9; + if(a3 < 8) + a3 = 8; + if(a1 < 7) + a1 = 7; + if(a8 < 6) + a8 = 6; + if(a5 < 5) + a5 = 5; + if(a7 < 4) + a7 = 4; +} + +//resets variables initial values when game ends or is exited +void resetGame() +{ + score = 0; + + a1 = 22; + a2 = 24; + a3 = 23; + a4 = 25; + a5 = 20; + a6 = 26; + a7 = 19; + a8 = 21; + + //in this case the X values are given a + //new random variable each time the player + //dies, exits or starts a new game + randX1 = rand() % 74 + 5; + randX2 = rand() % 74 + 5; + randX3 = rand() % 74 + 5; + randX4 = rand() % 74 + 5; + randX5 = rand() % 74 + 5; + randX6 = rand() % 74 + 5; + + randY1 = 0; + randY2 = 0; + randY3 = 0; + randY4 = 0; + randY5 = 0; + randY6 = 0; + lcd.clear(); +} + +//draws falling hazards +void drawHazards() +{ + //X, Y, radius, fill + lcd.drawCircle(randX1,randY1,2,1); + lcd.drawCircle(randX2,randY2,2,1); + lcd.drawCircle(randX3,randY3,2,1); + lcd.drawCircle(randX4,randY4,2,1); + lcd.drawCircle(randX5,randY5,2,1); + lcd.drawCircle(randX6,randY6,2,1); + + lcd.refresh(); +} + +//makes hazards fall - randomises X axis co-ordinates +void hazardFall() +{ + //increments randY1 variables + //appearing to make them fall + randY1 = randY1 += fall; + randY2 = randY2 += fall; + randY3 = randY3 += fall; + randY4 = randY4 += fall; + randY5 = randY5 += fall; + randY6 = randY6 += fall; + + //loops the objects once they 'hit the floor' + //this imitates a new set of objects falling + + if (randY1>=48) + randY1=0; + + if (randY2>=48) + randY2=0; + + if (randY3>=48) + randY3=0; + + if (randY4>=48) + randY4=0; + + if (randY5>=48) + randY5=0; + + //each time the objects loop, a new pseudo random value + //is assigned to the global variables (randX) to + //randomise their positions + + if (randY6>=48) { + randY6=0; + + score = score++;//increment score by 1 after each wave of hazards + + randX1 = rand() % 74 + 5;//psuedo random number + randX2 = rand() % 74 + 5;//between 5 and 74 + randX3 = rand() % 74 + 5; + randX4 = rand() % 74 + 5; + randX5 = rand() % 74 + 5; + randX6 = rand() % 74 + 5; + } +} + +//clears old pixels and keeps set pixels +void startrek() +{ + for (int i=3; i<81; i++)//loops through rows + for (int j=0; j<47; j++) + if (cells[i][j]) {//if there's a pixel then keep it + lcd.setPixel(i,j); + } else { + lcd.clearPixel(i,j);//else remove the old ones + } + lcd.refresh(); +} + +//clears old pixels and keeps set pixels +void refreshCursor1() +{ + for (int i=70; i<80; i++)//loops through rows + for (int j=17; j<25; j++) + if (cells[i][j]) {//if there's a pixel then keep it + lcd.setPixel(i,j); + } else { + lcd.clearPixel(i,j);//else remove the old ones + } + lcd.refresh(); +} + +//clears old pixels and keeps set pixels +void refreshCursor2() +{ + for (int i=70; i<80; i++)//loops through rows + for (int j=25; j<32; j++) + if (cells[i][j]) {//if there's a pixel then keep it + lcd.setPixel(i,j); + } else { + lcd.clearPixel(i,j);//else remove the old ones + } + lcd.refresh(); +} + +//clears old pixels and keeps set pixels +void refreshCursor3() +{ + for (int i=70; i<80; i++)//loops through rows + for (int j=32; j<40; j++) + if (cells[i][j]) {//if there's a pixel then keep it + lcd.setPixel(i,j); + } else { + lcd.clearPixel(i,j);//else remove the old ones + } + lcd.refresh(); +} + +//beep/light when buttons are closed +void actionButtons() +{ + if((FX == 0)&&(buttonA||buttonB)) { + ledA = 1; + buzzer.beep(1500,0.3); + } + if (buttonA || buttonB) { + ledA = 1; + } else { + ledA = 0; + } +} + +//presents main menu options +void mainMenu(int& mainOption) +{ + actionButtons();//set audible/light for button + + //joystick selection + if (printFlag) {//if flag set, clear flag and print joystick values to serial port + printFlag = 0; + + //option up + if (joystick.direction == UP) { + serial.printf(" UP\n"); + mainOption = mainOption--; + if (mainOption < 0)mainOption = 0; + } + //option down + if (joystick.direction == DOWN) { + serial.printf(" DOWN\n"); + mainOption = mainOption++; + if (mainOption > 2)mainOption = 2; + } + //Centre / Unknown orientation + if (joystick.direction == CENTRE) + serial.printf(" CENTRE\n"); + if (joystick.direction == UNKNOWN) + serial.printf(" Unsupported direction\n"); + + //'Play Game' option 1 + if (mainOption == 0) { + lcd.printString("Play Game",3,4); + } + //'High Scores' option 2 + if (mainOption == 1) { + lcd.printString(" Scores ",3,4); + } + //'Options' option 3 + if (mainOption == 2) { + lcd.printString(" Options ",3,4); + } + } +} + +//draws main menu +void drawMainMenu() +{ + //bottom border + lcd.drawRect(0,47,84,0,1); + //top border + lcd.drawRect(0,0,84,2,1); + + //title outline + lcd.drawRect(3,6,77,10,0); + +////castle //x, y, w, h, fill////////////////////// + + //castle main bulk + lcd.drawRect(59,32,21,8,1); + + //left window bulk + lcd.drawRect(59,22,2,10,1); + //centre left window bulk + lcd.drawRect(65,22,2,10,1); + //centre right window bulk + lcd.drawRect(72,22,2,10,1); + //right window bulk + lcd.drawRect(78,22,2,10,1); + //central window bulk + lcd.drawRect(68,25,3,7,1); + + //central window bulk + lcd.drawRect(75,28,0,0,1); + lcd.drawRect(77,28,0,0,1); + lcd.drawRect(64,28,0,0,1); + lcd.drawRect(62,28,0,0,1); + + //above left window bulk + lcd.drawRect(62,25,3,2,1); + //above right window bulk + lcd.drawRect(75,25,2,2,1); + + //lower right line + lcd.drawRect(71,42,9,0,1); + //upper right line + lcd.drawRect(70,41,10,0,1); + + //upper left line + lcd.drawRect(59,41,10,0,1); + //lower left line + lcd.drawRect(59,42,9,0,1); + + //bottom left bulk + lcd.drawRect(59,43,8,3,1); + //bottom right bulk + lcd.drawRect(72,43,8,3,1); + + //option arrows - lower + lcd.drawRect(27,42,4,0,1); + lcd.drawRect(28,43,2,0,1); + lcd.drawRect(29,44,0,0,1); + + //option arrows - higher + lcd.drawRect(27,29,4,0,1); + lcd.drawRect(28,28,2,0,1); + lcd.drawRect(29,27,0,0,1); + + //print 'Xtreme Tower' + lcd.printString("Xtreme Tower",7,1); + + lcd.refresh(); +} + +//presents exit menu options +void exitMenu(int& exitOption) +{ + actionButtons(); + if (printFlag) {//if flag set, clear flag and print joystick values to serial port + printFlag = 0; + + //check joystick direction + if (joystick.direction == LEFT) { + serial.printf(" LEFT\n"); + exitOption--; + if(exitOption < 0)exitOption = 0; + } + if (joystick.direction == RIGHT) { + serial.printf(" RIGHT\n"); + exitOption++; + if(exitOption > 1)exitOption = 1; + } + if (joystick.direction == CENTRE) + serial.printf(" CENTRE\n"); + if (joystick.direction == UNKNOWN) + serial.printf(" Unsupported direction\n"); + } + //draws option cursor + if(exitOption == 0) { + lcd.printString("YES",33,3); + } + else if(exitOption == 1) { + lcd.printString(" NO",33,3); + } +} + +//draws exit menu +void drawExitMenu() +{ + //set exit menu + lcd.clear(); + drawBackground(); + lcd.printString("Exit Game?",14,1); + + lcd.drawRect(8,3,70,30,0);//title outline + //option arrow - right + lcd.drawRect(55,25,0,4,1); + lcd.drawRect(56,26,0,2,1); + lcd.drawRect(57,27,0,0,1); + + //option arrow - left// + lcd.drawRect(27,25,0,4,1); + lcd.drawRect(26,26,0,2,1); + lcd.drawRect(25,27,0,0,1); + + lcd.refresh(); +} + +//presents the options +void optionsMenu(int& option) +{ + //joystick selection + if (printFlag) { //if flag set, clear flag and print joystick values to serial port + printFlag = 0; + + //option up + if (joystick.direction == UP) { + serial.printf(" UP\n"); + option = option--; + if (option < 0)option = 0; + } + //option down + if (joystick.direction == DOWN) { + serial.printf(" DOWN\n"); + option = option++; + if (option > 1)option = 1; + } + //Centre / Unknown orientation + if (joystick.direction == CENTRE) + serial.printf(" CENTRE\n"); + if (joystick.direction == UNKNOWN) + serial.printf(" Unsupported direction\n"); + + //'Difficulty' option 1 + if (option == 0) { + lcd.drawCircle(72,27,2,1); + refreshCursor3(); + } + //'Sound FX' option 2 + if (option == 1) { + lcd.drawCircle(72,35,2,1); + refreshCursor2(); + } + } + + lcd.refresh(); +} + +//draws options menu +void drawOptionsMenu() +{ + lcd.clear();//clear screen + drawBackground(); + lcd.drawRect(3,6,77,10,0);//title outline + lcd.drawRect(0,47,84,0,1);//bottom border + lcd.drawRect(0,0,84,2,1);//top border + lcd.printString("Options",20,1);//title + lcd.printString("Difficulty",3,3); + lcd.printString("Sound FX",3,4); + + lcd.refresh(); +} + +//present difficulty options +void difficultyMenu(int& subOption) +{ + actionButtons(); + + //joystick selection + if (printFlag) {//if flag set, clear flag,print joystick values + printFlag = 0; + + //option up + if (joystick.direction == UP) { + serial.printf(" UP\n"); + subOption = subOption--; + if (subOption < 1)subOption = 1; + } + //option down + if (joystick.direction == DOWN) { + serial.printf(" DOWN\n"); + subOption = subOption++; + if (subOption > 3)subOption = 3; + } + //Centre / Unknown orientation + if (joystick.direction == CENTRE) + serial.printf(" CENTRE\n"); + if (joystick.direction == UNKNOWN) + serial.printf(" Unsupported direction\n"); + + //'Easy' option 1 + if (subOption == 1) { + lcd.drawCircle(72,19,2,1); + refreshCursor2(); + refreshCursor3(); + if(buttonFlagA) { //select easy + buttonFlagA = 0; + fall = 1; + } + } + //'Normal' option 2 + if (subOption == 2) { + lcd.drawCircle(72,27,2,1); + refreshCursor1(); + refreshCursor3(); + + if(buttonFlagA) { //select normal + buttonFlagA = 0; + fall = 2; + } + } + //'Forget It' option 3 + if (subOption == 3) { + lcd.drawCircle(72,35,2,1); + refreshCursor1(); + refreshCursor2(); + + if(buttonFlagA) { //select difficult + buttonFlagA = 0; + fall = 3; + } + } + } + + lcd.refresh(); +} + +//draw difficulty settings +void drawDifficultyMenu() +{ + lcd.clear(); + drawBackground(); + lcd.drawRect(0,47,84,0,1);//bottom border + lcd.drawRect(0,0,84,2,1);//top border + lcd.refresh(); + lcd.printString("*Difficulty*",5,1);//title + lcd.printString("Easy",5,2);//title + lcd.printString("Normal",5,3);//title + lcd.printString("Forget It",5,4);//title +} + +//present sound FX options +void soundFXMenu(int& fxOption) +{ + actionButtons(); + + //joystick selection + if (printFlag) {//if flag set, clear flag,print joystick values + printFlag = 0; + + //option up + if (joystick.direction == UP) { + serial.printf(" UP\n"); + fxOption = fxOption--; + if (fxOption < 0)fxOption = 0; + } + //option down + if (joystick.direction == DOWN) { + serial.printf(" DOWN\n"); + fxOption = fxOption++; + if (fxOption > 1)fxOption = 1; + } + //Centre / Unknown orientation + if (joystick.direction == CENTRE) + serial.printf(" CENTRE\n"); + if (joystick.direction == UNKNOWN) + serial.printf(" Unsupported direction\n"); + } + //'ON' option 1 + if (fxOption == 0) { + lcd.drawCircle(72,27,2,1);//draw cursor 'ON' + refreshCursor1(); + refreshCursor3(); + + if(buttonFlagA) { + buttonFlagA =0; + FX = 0; + serial.printf("FX = %d\n",FX); + } + } + //'OFF' option 2 + if (fxOption == 1) { + lcd.drawCircle(72,35,2,1);//draw cursor 'OFF' + refreshCursor1(); + refreshCursor2(); + + if(buttonFlagA) { + buttonFlagA =0; + FX = 1; + serial.printf("FX = %d\n",FX); + } + } + lcd.refresh(); +} + +//draw Sound FX settings +void drawSoundFXMenu() +{ + lcd.clear(); + drawBackground(); + lcd.drawRect(0,47,84,0,1);//bottom border + lcd.drawRect(0,0,84,2,1);//top border + lcd.printString("*Sound FX*",10,1);//title + lcd.printString("ON",35,3);//title + lcd.printString("OFF",33,4);//title + lcd.refresh(); +} + +//if any of the high scores are beaten, they are replaced. +//player enters initials using structs outputs +void newScore() +{ + if(score >= highScore3) {//entry condition + buttonFlagA = 0;//reset flags + buttonFlagB = 0; + lcd.clear();//clears screen + drawBackground();//draws background + lcd.printString("High Score!!",7,0);//title + lcd.printString("Enter ID",19,4);//title + + int n;//local variable used for storing temporary global variable + int initial = 0;//used for isolating which initial is being selected + char x,y,z; + + //print initial characters + x=fsm[state1].output1; + lcd.printChar(x,28,2); + y=fsm[state2].output2; + lcd.printChar(y,40,2); + z=fsm[state3].output3; + lcd.printChar(z,52,2); + + while(1) { + + //joystick selection + if (printFlag) {//if flag set, clear flag,print joystick values + printFlag = 0; + + if(joystick.direction==CENTRE) { + preDirection=0; + } + if (joystick.direction == UP ) { + serial.printf(" UP\n"); + state1 = state1--; + if (state1 < 0)state1 = 0; + state2 = state2--; + if (state2 < 0)state2 = 0; + state3 = state3--; + if (state3 < 0)state3 = 0; + } + //option down + if (joystick.direction == DOWN ) { + serial.printf(" DOWN\n"); + state1 = state1++; + if (state1 > 26)state1 = 26; + state2 = state2++; + if (state2 > 26)state2 = 26; + state3 = state3++; + if (state3 > 26)state3 = 26; + } + if (joystick.direction == LEFT && preDirection==0) { + serial.printf(" LEFT\n"); + initial = initial--; + if (initial < 0)initial = 0; + preDirection=1; + } + if (joystick.direction == RIGHT && preDirection==0) { + serial.printf(" RIGHT\n"); + initial = initial++; + if (initial > 2)initial = 2; + preDirection=1; + } + //Centre / Unknown orientation + if (joystick.direction == CENTRE) + serial.printf(" CENTRE\n"); + if (joystick.direction == UNKNOWN) + serial.printf(" Unsupported direction\n"); + } + //if initial 3 display selected character + if (initial == 0) { + x=fsm[state1].output1; + lcd.printChar(x,28,2); + } + //if initial 1 display selected character + if(initial == 1) { + y=fsm[state2].output2; + lcd.printChar(y,40,2); + } + //if initial 2 display selected character + if(initial == 2) { + z=fsm[state3].output3; + lcd.printChar(z,52,2); + } + if(buttonFlagA) { + actionButtons(); + buttonFlagA = 0; + buttonFlagB = 0; + break; + } + } + //if player beats High Score 3, replace it with new score + if(score >= highScore3 && score<highScore2 ) { + highScore3 = score; + sprintf (player3initials, "3.%c%c%c.....%i",x,y,z,highScore3); + } + //if player beats High Score 3 and 2, replace HighScore2 with new score + if(score >= highScore2 && score< highScore1) { + highScore3 = highScore2; + n = score; + highScore2 = n; + sprintf (player3initials, "3.%c%c%c.....%i",player2initials[2],player3initials[3],player3initials[4],highScore3); + sprintf (player2initials, "2.%c%c%c.....%i",x,y,z,highScore2); + } + //if player beats High Score 1, 2 and 3, replace highScore1 with new score + if(score >= highScore1 ) { + highScore3 = highScore2; + highScore2 = highScore1; + n = score; + highScore1 = n; + sprintf (player3initials, "3.%c%c%c.....%i",player2initials[2],player3initials[3],player3initials[4],highScore3); + sprintf (player2initials, "2.%c%c%c.....%i",player1initials[2],player1initials[3],player1initials[4],highScore2); + sprintf (player1initials, "1.%c%c%c.....%i",x,y,z,highScore1); + } + state1 = 0; + state2 = 0; + state3 = 0; + } +} + +//actual game +void game(int& exitFlag, int& exitOption) +{ + actionButtons(); + lcd.clear();//clears screen + drawBackground();//draw background + + ///game/// + while(1) { + //print score - top left of display + char buffer[14];//create buffer for string + int length = sprintf(buffer,"Level:%d",score);//insert buffer + lcd.printString(buffer,3,0);//display + + actionButtons(); + drawNinja();//set character + drawHazards();//initiates hazards + hazardFall();//increments hazards towards floor + wait(0.1);//slow down objects + + if (printFlag) { //if flag set, clear flag and print joystick values to serial port + printFlag = 0; + + //check joystick direction + if (joystick.direction == LEFT) { + serial.printf(" LEFT\n"); + a1 = a1-=2; + a2 = a2-=2; + a3 = a3-=2; + a4 = a4-=2; + a5 = a5-=2; + a6 = a6-=2; + a7 = a7-=2; + a8 = a8-=2; + ninjaBoundaries(); + } + if (joystick.direction == RIGHT) { + serial.printf(" RIGHT\n"); + a1 = a1+=2; + a2 = a2+=2; + a3 = a3+=2; + a4 = a4+=2; + a5 = a5+=2; + a6 = a6+=2; + a7 = a7+=2; + a8 = a8+=2; + ninjaBoundaries(); + } + if (joystick.direction == CENTRE) + serial.printf(" CENTRE\n"); + if (joystick.direction == UNKNOWN) + serial.printf(" Unsupported direction\n"); + + //integer to represent character being + //struck by falling object + int contactPoint = 0; + + //contact points + if(lcd.getPixel((a1+4),32)) + contactPoint++; + if(lcd.getPixel((a1),32)) + contactPoint++; + if(lcd.getPixel((a7),32)) + contactPoint++; + + //if contact point is not zero + //character has been hit + //and the game ends + if ( contactPoint !=0) { + lcd.printString("Game Over",17,2); + lcd.inverseMode(); + buzzer.beep(2000,0.2);//frequeny/duration + wait(0.5); + lcd.normalMode(); + wait(0.5); + lcd.inverseMode(); + buzzer.beep(2000,0.2); + wait(0.5); + lcd.normalMode(); + wait(0.5); + lcd.inverseMode(); + buzzer.beep(2000,0.2); + wait(0.5); + lcd.normalMode(); + newScore();//enter initial screen if previous scores are beaten + resetGame();//reset values + break; + } + lcd.refresh();//refresh screen + startrek();//clears unset pixels, keeps set pixels + +///Exit Menu (Back button pressed)/// + if(buttonFlagB) { + buttonFlagB = 0;//reset flags + buttonFlagA = 0; + actionButtons(); + drawExitMenu();//draws the exit menu + + while(1) { + exitMenu(exitOption);//presents exit options + + //'exit' option YES + if((buttonFlagA)&&(exitOption == 0)) { //returns to menu + exitOption = 1;//reset intial option value + buttonFlagA = 0;//reset flags + buttonFlagB = 0; + actionButtons(); + lcd.clear();//clears screen + resetGame();//resets scores/objects + exitFlag = 1;//sets exit flag + break; + } + //'exit' option NO - returns to game + if((buttonFlagA)&&(exitOption == 1)) { + buttonFlagA = 0;//resets flags + buttonFlagB = 0; + break; + } + sleep();//put while to sleep + } + //if 'exit' option YES, resets + //game values returns to main menu + if (exitFlag!=0) { //if exit flag set + exitFlag = 0;//reset flag + break;//break to main menu + } + } + serial.printf("Score: %i \n",score);//print Score for debug + } + } +} + +//high scores screen +void scores() +{ + actionButtons(); + lcd.clear();//clear screen + drawBackground();//set background + lcd.printString("High Scores",10,0);//title + + //prints scores with names + lcd.printString(player1initials,5,2);//display + + lcd.printString(player2initials,5,3);//display + + lcd.printString(player3initials,5,4);//display + + while(1) { + actionButtons();//select + + //back to menu + if(buttonFlagB) { + buttonFlagA = 0;//reset flags + buttonFlagB = 0; + lcd.clear(); + break; + } + sleep();//put while to sleep + } +} + +//options menu +void optionsMenu() +{ + int option = 0; + int subOption = fall;//keeps cursor on selected option, even after exiting screen + int fxOption = 0; + actionButtons(); + drawOptionsMenu();//draws options menu + //counters for navigation + + while(1) { + actionButtons(); + optionsMenu(option);//presents options + +//////////////////////difficulty menu //////////////////////////////////// + if ((option == 0)&&(buttonFlagA)) { + buttonFlagA = 0;//reset flag + actionButtons(); + drawDifficultyMenu();//draws difficulty menu + + while(1) { + actionButtons(); + difficultyMenu(subOption);//presents difficulty options + + if(buttonFlagB) { + buttonFlagB = 0;//reset flags + buttonFlagA = 0; + lcd.clear();//clear screen + break;//return back + } + sleep();//put while to sleep + } + drawOptionsMenu(); + } +/////////////////////sound FX menu ////////////////////////////////////// + if((option ==1)&&(buttonFlagA)) { + buttonFlagA = 0;//reset flags + buttonFlagB = 0; + actionButtons(); + drawSoundFXMenu();//draw menu + + while(1) { + actionButtons(); + soundFXMenu(fxOption);//presents options + + //back to options menu + if(buttonFlagB) { + buttonFlagB = 0;//reset flags + buttonFlagA = 0; + lcd.clear();//clear screen + break;//return back + } + sleep();//put while to sleep + } + drawOptionsMenu(); + } + //back to mainmenu + if(buttonFlagB) { + buttonFlagB = 0;//reset flags + buttonFlagA = 0; + lcd.clear();//clear + break;//return back + } + sleep();//put while to sleep + } +} + +//read default positions of the joystick to calibrate later readings +void calibrateJoystick() +{ + joyButton.mode(PullDown); + //must not move during calibration + joystick.x0 = xPot; //initial positions in the range 0.0 to 1.0 (0.5 if centred exactly) + joystick.y0 = yPot; +} + +//reads and updates position of joystick according to voltage readings +void updateJoystick() +{ + //read current joystick values relative to calibrated values (in range -0.5 to 0.5, 0.0 is centred) + joystick.x = xPot - joystick.x0; + joystick.y = yPot - joystick.y0; + //read button state + joystick.button = joyButton; + + //calculate direction depending on x,y values + //tolerance allows a little lee-way in case joystick not exactly in the stated direction + if ( fabs(joystick.y) < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) { + joystick.direction = CENTRE; + } else if ( joystick.y > DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) { + joystick.direction = DOWN; + } else if ( joystick.y < DIRECTION_TOLERANCE && fabs(joystick.x) < DIRECTION_TOLERANCE) { + joystick.direction = UP; + } else if ( joystick.x > DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) { + joystick.direction = RIGHT; + } else if ( joystick.x < DIRECTION_TOLERANCE && fabs(joystick.y) < DIRECTION_TOLERANCE) { + joystick.direction = LEFT; + } else { + joystick.direction = UNKNOWN; + } + + //set flag for printing + printFlag = 1; +} int main() {