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:
- 12:eedda6554615
- Parent:
- 11:6b8416a8ddb3
- Child:
- 13:a1b3a373c5a4
--- a/main.cpp Thu Apr 16 20:39:57 2015 +0000 +++ b/main.cpp Thu Apr 16 21:46:57 2015 +0000 @@ -6,6 +6,7 @@ #include "mbed.h" #include "N5110.h" #include "beep.h" +#include "tower.h" #include <ctime> #include <cstdlib> @@ -13,8 +14,7 @@ // change this to alter tolerance of joystick direction #define DIRECTION_TOLERANCE 0.05 -// VCC,SCE,RST,D/C,MOSI,SCLK,LED - set pins for LCD -N5110 lcd(p7,p8,p9,p10,p11,p13,p22); + // create buzzer objecct Beep buzzer(p21); @@ -35,43 +35,6 @@ AnalogIn xPot(p15); AnalogIn yPot(p16); -// boundary conditions -int cells [84][48]; - -// Globabl Variables ///////////////////////// - -// player's score -int score = 0; - -// difficulty - number of pixels hazards incrememnt by -int fall = 2; - -// global variables for movement (pixelNinja) -int a1 = 22; -int a2 = 24; -int a3 = 23; -int a4 = 25; -int a5 = 20; -int a6 = 26; -int a7 = 19; -int a8 = 21; - -//global variable for random X co-ordinates -int randX1; -int randX2; -int randX3; -int randX4; -int randX5; -int randX6; - -// global variable for Y co-ordinates -int randY1 = 0; -int randY2 = 0; -int randY3 = 0; -int randY4 = 0; -int randY5 = 0; -int randY6 = 0; - // timer to regularly read the joystick Ticker pollJoystick; @@ -109,556 +72,11 @@ void calibrateJoystick(); void updateJoystick(); -//intro screen -void welcome() -{ - //bottom border - lcd.drawRect(0,44,84,2,1); - - //top border - lcd.drawRect(0,1,84,2,1); - - //print initials 'DRT' - lcd.printChar('D',30,14); - wait(0.6); - lcd.printChar('R',37,14); - wait(0.6); - lcd.printChar('T',44,14); - wait(0.6); - - //print 'presents...' - lcd.printString("presents...",8,21); - wait(1.0); - - //dramatic flashing - lcd.inverseMode(); - wait(0.2); - lcd.normalMode(); - wait(0.2); - lcd.inverseMode(); - wait(0.2); - lcd.normalMode(); - wait(1.0); - - //more dramatic flashing - lcd.inverseMode(); - wait(0.2); - lcd.normalMode(); - wait(0.2); - lcd.inverseMode(); - wait(0.2); - lcd.normalMode(); - wait(0.6); -} - -// static background -void backGround() -{ - // 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 - for(int x=0; x<47; x+=4) - lcd.drawLine(1,1,1,48,2); - // left wall - brick line 2 - for(int x=0; x<47; x+=4) - 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 - for(int x=0; x<WIDTH; x+=4) - lcd.drawLine(82,0,82,48,2); - // right wall - brick line 2 - for(int x=0; x<WIDTH; x+=4) - lcd.drawLine(83,1,83,48,2); - - lcd.refresh(); -} - -//pixel ninja character -void pixelNinja() -{ - //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); -} -// 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 back to initial values -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 or exits and 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 hazards() -{ - // 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; - } -} - -//void writeDataToFile(float data, char dataTwo[30]) -//{ -// leds = 15; // turn on LEDs for feedback -// FILE *fp = fopen("/local/datalog.csv", "a"); // open 'log.txt' for appending -// -// time_t seconds = time(NULL); // get current time -// -// // format time into a string (time and date) -// strftime(dataTwo, 30 , "%R %x", localtime(&seconds)); -// -// // if the file doesn't exist it is created, if it exists, data is appended to the end -// fprintf(fp,"%s, %.2f \n",dataTwo,data); // print string to file -// -// fclose(fp); // close file -// leds = 0; // turn off LEDs to signify file access has finished -//} - -// 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(); -} - -// sound / light when buttonA is closed -void actionButton() -{ - buttonA.mode(PullDown); - if (buttonA == 1) { - ledY = 1; - //buzzer.beep(1000,0.2);//frequeny/duration - - serial.printf("buttonA\n");//for debugging - } else { - ledY = 0; - } -} - -// sound / light when buttonB is closed -void backButton() -{ - buttonB.mode(PullDown); - if (buttonB == 1) { - ledY = 1; - //buzzer.beep(400,0.2);//frequency/duration - - serial.printf("buttonB\n");//for debugging - } else { - ledY = 0; - } -} - -// presents main menu options -void mainMenu(int& mainOption) -{ - actionButton();//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); - - //print 'Xtreme Tower' - lcd.printString("Xtreme",4,25); - lcd.printString("Tower",44,25); - - //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); -} - -// presents exit menu options -void exitMenu(int& exitOption) -{ - - 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",29,27); - } - if(exitOption == 1) { - lcd.printString(" NO",29,27); - } -} - -// draws exit menu -void drawExitMenu() -{ - // set exit menu - lcd.clear(); - lcd.drawRect(8,6,70,30,0);//title outline - lcd.printString("Exit Game?",10,25); - backGround(); - - // 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); -} - -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(); - } - } -} - -void drawOptionsMenu() -{ - lcd.clear();//clear screen - backGround(); - 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",20,7);//title - lcd.printString("Difficulty",3,9); - lcd.printString("Sound FX",3,10); -} int main() { ledR = 1;//power LED on - int exitFlag = 0;//exit flag - srand (time(NULL));//initial seed for randomisation // initial random x co-ordinates @@ -678,270 +96,50 @@ welcome();//welcome screen lcd.clear();//clear pixels - // option counters + int exitFlag = 0;//exit flag int mainOption = 0;//counter for main menu int exitOption = 0;//counter for exit menu int option = 0;//counter for options menu int subOption = 0;//counter for sub options menu - // loop 1 - mainMenu while(1) { - drawMainMenu();//draws main menu mainMenu(mainOption);//presents main menu options // if 'Play Game' selected if ((mainOption == 0)&&(buttonA == 1)) { - - actionButton(); - backButton(); - lcd.clear();//clears screen - backGround();//draw background - - // loop 3 - Game loop - while(1) { - - // print score - top left of display - char buffer[14];//create buffer for string - int length = sprintf(buffer,"Level:%d",score);//insert buffer - if (length <= 14) //ensure length is smaller than screen - lcd.printString(buffer,3,0);//display - - actionButton(); - backButton(); - pixelNinja();//set character - hazards();//initiates hazards - hazardFall();//increments hazards towards floor - - 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); - wait(0.5); - lcd.inverseMode(); - wait(0.5); - lcd.normalMode(); - wait(0.5); - lcd.inverseMode(); - wait(0.5); - lcd.normalMode(); - wait(0.5); - resetGame(); - break; - } - startrek();//clears unset pixels, keeps set pixels - -///////////////////// Exit Menu (Back button pressed)/////////////////////////////////////////// - - if(buttonB == 1) { - - drawExitMenu();//draws the escape menu - - while(1) { - - exitMenu(exitOption);//presents exit options - - // 'exit' option YES - if((buttonA == 1)&&(exitOption == 0)) { //returns to menu - actionButton(); - lcd.clear();//clears screen - resetGame();//resets scores/objects - exitFlag = 1;//sets exit flag - break; - } - // 'exit' option NO - returns to game - if((buttonA == 1)&&(exitOption == 1)) { - break; - } - } - // 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); - } - } + game(exitFlag, exitOption);//actual game + } + // if 'Scores' selected + if((mainOption == 1)&&(buttonA == 1)) { + scores(); } -////////// High Scores Loop ////////////////////////////////////////////////// - - if((mainOption == 1)&&(buttonA == 1)) { - - actionButton(); - backButton(); - - lcd.clear();//clear screen - backGround();//set background - lcd.printString("High Scores",10,0);//title - - // players high scores - highest first - char highScore1[14];//create buffer for strings - char highScore2[14]; - char highScore3[14]; - - int player1 = sprintf(highScore1,"1.DRT.....99",score);//insert buffer - int player2 = sprintf(highScore2,"2.NRG.....98",score);//insert buffer - int player3 = sprintf(highScore3,"3.GRT.....10",score);//insert buffer - - if (player1 <= 14) //ensure length is smaller than screen - lcd.printString(highScore1,5,2);//display - if (player2 <= 14) //ensure length is smaller than screen - lcd.printString(highScore2,5,3);//display - if (player3 <= 14) //ensure length is smaller than screen - lcd.printString(highScore3,5,4);//display - - while(1) { - - actionButton();//select - backButton();//back - - // back to menu - if(buttonB == 1) { - lcd.clear(); - break; - } - } - } - -////////// OPTIONS LOOP ///////////////////////////////////////////////////// - + // if 'option' selected if((mainOption == 2)&&(buttonA == 1)) { - actionButton(); backButton(); drawOptionsMenu();//draws options menu while(1) { - actionButton(); backButton(); optionsMenu(option);//presents options -////////////////////// difficulty settings //////////////////////////////////// +////////////////////// difficulty menu //////////////////////////////////// if ((option == 0)&&(buttonA == 1)) { - actionButton(); backButton(); - - lcd.clear(); - backGround(); - lcd.drawRect(0,47,84,0,1);//bottom border - lcd.drawRect(0,0,84,2,1);//top border - lcd.printString("*Difficulty*",5,7);//title - lcd.printString("Easy",5,8);//title - lcd.printString("Normal",5,9);//title - lcd.printString("Forget It",5,10);//title + drawDifficultyMenu();//draws difficulty menu while(1) { - actionButton(); backButton(); - - // 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 < 0)subOption = 0; - } - // option down - if (joystick.direction == DOWN) { - serial.printf(" DOWN\n"); - subOption = subOption++; - if (subOption > 2)subOption = 2; - } - // Centre / Unknown orientation - if (joystick.direction == CENTRE) - serial.printf(" CENTRE\n"); - if (joystick.direction == UNKNOWN) - serial.printf(" Unsupported direction\n"); + difficultyMenu(subOption);//presents difficulty options - // 'Easy' option 1 - if (subOption == 0) { - lcd.drawCircle(72,19,2,1); - refreshCursor2(); - refreshCursor3(); - if(buttonA ==1) { //select easy - fall = 1; - } - } - // 'Normal' option 2 - if (subOption == 1) { - lcd.drawCircle(72,27,2,1); - refreshCursor1(); - refreshCursor3(); - - if(buttonA == 1) { //select normal - fall = 2; - } - } - // 'Forget It' option 3 - if (subOption == 2) { - lcd.drawCircle(72,35,2,1); - refreshCursor1(); - refreshCursor2(); - - if(buttonA == 1) { //select difficult - fall = 3; - } - - } - if(buttonB == 1) { - lcd.clear(); - break; - } + if(buttonB == 1) { + lcd.clear(); + break; } } } @@ -957,6 +155,7 @@ } + // read default positions of the joystick to calibrate later readings void calibrateJoystick() {