Dan Tomlinson
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:
- 4:c6305031f80d
- Parent:
- 3:57bab3b1c974
- Child:
- 5:a0e4a67266d6
--- a/main.cpp Mon Apr 13 20:59:14 2015 +0000
+++ b/main.cpp Tue Apr 14 02:06:45 2015 +0000
@@ -28,12 +28,18 @@
AnalogIn xPot(p15);
AnalogIn yPot(p16);
+// create local file system
+//LocalFileSytem local("local");
+
// boundary conditions
int cells [84][48];
// Globabl Variables /////////////////////////
-// global variables for movement
+// player's score
+int score = 0;
+
+// global variables for movement (pixelNinja)
int a1 = 22;
int a2 = 24;
int a3 = 23;
@@ -206,7 +212,7 @@
lcd.drawRect(29,27,0,0,1);
//present options
- lcd.printString("Play Game",3,4);
+ //lcd.printString("Play Game",3,4);
}
@@ -273,39 +279,38 @@
}
-// when player gets struck, game ends
-void endGame()
+// resets back to initial values
+void resetGame()
{
- int n = 0;
+ score = 0;
- // contact points
- if(lcd.getPixel((a1+4),32))
- n++;
- if(lcd.getPixel((a1),32))
- n++;
- if(lcd.getPixel((a7),32))
- n++;
+ a1 = 22;
+ a2 = 24;
+ a3 = 23;
+ a4 = 25;
+ a5 = 20;
+ a6 = 26;
+ a7 = 19;
+ a8 = 21;
- // play again option
- if ( n !=0) {
- lcd.printString("Game Over!!",8,25);
- wait(0.5);
- lcd.inverseMode();
- wait(0.5);
- lcd.normalMode();
- wait(0.5);
- lcd.inverseMode();
- wait(0.5);
- lcd.normalMode();
- wait(0.5);
- lcd.printString("Play Again?",8,25);
- lcd.printString("YES",20,2);
- lcd.printString("NO",51,2);
- wait(3.0);
+ // 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;
- if(buttonA == 1) {
- }
- }
+ randY1 = 0;
+ randY2 = 0;
+ randY3 = 0;
+ randY4 = 0;
+ randY5 = 0;
+ randY6 = 0;
+ lcd.clear();
+
}
// draws falling hazards
@@ -359,6 +364,8 @@
if (randY6>=48) {
randY6=0;
+ score = score++;
+
randX1 = rand() % 74 + 5;// psuedo random number
randX2 = rand() % 74 + 5;// between 5 and 74
randX3 = rand() % 74 + 5;
@@ -403,7 +410,7 @@
}
}
-// MAIN /////////////////////////////////////////////////
+//// MAIN /////////////////////////////////////////////////
int main()
{
@@ -433,7 +440,6 @@
lcd.init();//initialise screen
welcome();//welcome screen
lcd.clear();//clear pixels
- mainMenu();//menu screen
/////// Menu Selection Loop ////////////////////////////////////////////////////////////
@@ -443,6 +449,8 @@
// loop 1 - menu
while(1) {
+ mainMenu();
+
// joystick selection
if (printFlag) { //if flag set, clear flag and print joystick values to serial port
printFlag = 0;
@@ -458,7 +466,7 @@
if (joystick.direction == DOWN) {
serial.printf(" DOWN\n");
option = option++;
- if (option > 1)option = 1;
+ if (option > 2)option = 2;
}
// Centre / Unknown orientation
if (joystick.direction == CENTRE)
@@ -470,73 +478,161 @@
if (option == 0) {
lcd.printString("Play Game",3,4);
}
- // 'Options' option 2
+ // 'High Scores' option 2
if (option == 1) {
+ lcd.printString(" Scores ",3,4);
+ }
+ // 'Options' option 3
+ if (option == 2) {
lcd.printString(" Options ",3,4);
}
}
+
//////////// Game Loop /////////////////////////////////////////////////////////////
// 'Play Game' selected
if ((option == 0)&&(buttonA == 1)) {
+ lcd.clear();
+
+ actionButton();
+ backButton();
backGround();
- // loop 2 - Exit menu
+ // loop 3 - Game loop
while(1) {
- // loop 3 - Game loop
- while(buttonB != 1) {
+ 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;
+ serial.printf("x = %f y = %f button = %d \n",joystick.x,joystick.y,joystick.button);
- pixelNinja();//set character
- hazards();//initiates hazards
- hazardFall();//increments hazards towards floor
+ // 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;
+ }
+ 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;
+ }
+ if (joystick.direction == CENTRE)
+ serial.printf(" CENTRE\n");
+ if (joystick.direction == UNKNOWN)
+ serial.printf(" Unsupported direction\n");
- if (printFlag) { //if flag set, clear flag and print joystick values to serial port
- printFlag = 0;
- serial.printf("x = %f y = %f button = %d ",joystick.x,joystick.y,joystick.button);
+ // escape code (character hit)
+ int x = 0;
+
+ // contact points
+ if(lcd.getPixel((a1+4),32))
+ x++;
+ if(lcd.getPixel((a1),32))
+ x++;
+ if(lcd.getPixel((a7),32))
+ x++;
- // 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;
- }
- 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;
- }
- if (joystick.direction == CENTRE)
- serial.printf(" CENTRE\n");
- if (joystick.direction == UNKNOWN)
- serial.printf(" Unsupported direction\n");
+ // game over
+ if ( x !=0) {
+ lcd.printString("Game Over!!",8,25);
+ 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
+
+ // escape code (Back button pressed)
+ if(buttonB == 1) {
+ backButton();
+ resetGame();//resets co-ordinates
+ break;
+ }
+ serial.printf("Score: %i \n",score);
+
+ }//if
+ }//while
+ }//if
+
+////////// High Scores Loop //////////////////////////////////////////////////
+
+ if((option == 1)&&(buttonA == 1)) {
- //endGame();
- startrek();//clears unset pixels, keeps set pixels
+ actionButton();
+ backButton();
+
+ lcd.clear();//clear screen
+ lcd.drawRect(3,6,77,10,0);//title outline
+ backGround();//set background
+ lcd.printString("High Scores",10,7);//title
+
+ while(1) {
- }
-
+ actionButton();
+ backButton();
+
+ // back to menu
+ if(buttonB == 1) {
+ lcd.clear();
+ break;
+ }
+ }
+ }
+
+////////// OPTIONS LOOP /////////////////////////////////////////////////////
- // break code e.g. person dies / exits game
- if (buttonB == 1) {
+ if((option == 2)&&(buttonA == 1)) {
+
+ actionButton();
+ backButton();
- lcd.printString("Exit Game?",9,25);
- if(buttonA == 1)
- break;
-}
+ lcd.clear();//clear screen
+
+ 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",5,3);//difficulty menu
+ lcd.printString("Sound FX",5,4);//sounf fx on / off
+
+ int o = 0;
+
+ while(1) {
+
+ actionButton();
+ backButton();
+
+ // back to menu
+ if(buttonB == 1) {
+ lcd.clear();
+ break;
}
}
}