Arduino Keypad Shield или Знакосинтезирующий ЖКИ

#include <LiquidCrystal.h>
LiquidCrystal lcd(8, 9, 4, 5, 6, 7 );

const int FIELD_WIDTH = 16;
const float BAR_PROBABILITY = 1;

int button;
const int BUTTON_NONE = 0;
const int BUTTON_RIGHT = 1;
const int BUTTON_UP = 2;
const int BUTTON_DOWN = 3;
const int BUTTON_LEFT = 4;
const int BUTTON_SELECT = 5;

int gameStatus;
const int MAIN_MENU = 0;
const int IN_GAME = 1;
const int PAUSE = 2;
const int ENDING = 3;

char gameFields[32];
const char SPACE = ' ';
const char BAR = '*';
const char PLAYER = '>';

int gameSpeed;
int SPEED_HIGH = 70;
int SPEED_NORMAL = 300;
int changeSpeed = 5000;

long startGameTime;
long lastMovementTime;
long lastChangeSpeedTime;
long endGameTime;
long bestGameTime;
int topQueue = true;

int getPressedButton()
{
int buttonValue = analogRead(0);
if (buttonValue < 100) {
return BUTTON_RIGHT;
}
else if (buttonValue < 200) {
return BUTTON_UP;
}
else if (buttonValue < 400){
return BUTTON_DOWN;
}
else if (buttonValue < 600){
return BUTTON_LEFT;
}
else if (buttonValue < 800){
return BUTTON_SELECT;
}
return BUTTON_NONE;
}

void startGame()
{
SPEED_NORMAL = 250;
startGameTime = millis();
lastMovementTime = millis();
lastChangeSpeedTime = millis();
endGameTime = 0;
// Очищаем игровое поле
for (int i = 0; i < 2*FIELD_WIDTH; i++)
{
gameFields[i] = SPACE;
}
gameFields[0] = PLAYER;
gameStatus = IN_GAME;
printGameField();
}

void moveGameField()
{
if (gameFields[0] == PLAYER && gameFields[1] == BAR ||
gameFields[FIELD_WIDTH] == PLAYER && gameFields[FIELD_WIDTH+1] == BAR)
{
gameOver();
return;
}
int playerPos = 0;
if (gameFields[FIELD_WIDTH] == PLAYER)
{
playerPos = FIELD_WIDTH;
}
for (int i = 0; i < FIELD_WIDTH*2; i++)
{
if (i != FIELD_WIDTH-1)
{
gameFields[i] = gameFields[i+1];
}
}
gameFields[playerPos] = PLAYER;
int topBarsCount = 0;
int bottomBarsCount = 0;
for (int i = 0; i < FIELD_WIDTH; i++)
{
if (gameFields[i] == BAR)
{
topBarsCount++;
}
}
for (int i = FIELD_WIDTH; i < FIELD_WIDTH*2; i++)
{
if (gameFields[i] == BAR)
{
bottomBarsCount++;
}
}
if (topQueue)
{
if (gameFields[FIELD_WIDTH-1] != BAR &&
gameFields[FIELD_WIDTH-2] != BAR &&
gameFields[FIELD_WIDTH-3] != BAR &&
bottomBarsCount < FIELD_WIDTH/2 &&
random(9) < BAR_PROBABILITY)
{
gameFields[2*FIELD_WIDTH-1] = BAR;
} else
{
gameFields[2*FIELD_WIDTH-1] = SPACE;
}
if (gameFields[2*FIELD_WIDTH-1] != BAR &&
gameFields[2*FIELD_WIDTH-2] != BAR &&
gameFields[2*FIELD_WIDTH-3] != BAR &&
topBarsCount < FIELD_WIDTH/2 &&
random(9) < BAR_PROBABILITY)
{
gameFields[FIELD_WIDTH-1] = BAR;
} else
{
gameFields[FIELD_WIDTH-1] = SPACE;
}
topQueue = false;
} else
{
if (gameFields[2*FIELD_WIDTH-1] != BAR &&
gameFields[2*FIELD_WIDTH-2] != BAR &&
gameFields[2*FIELD_WIDTH-3] != BAR &&
topBarsCount < FIELD_WIDTH/2 &&
random(9) < BAR_PROBABILITY)
{
gameFields[FIELD_WIDTH-1] = BAR;
} else
{
gameFields[FIELD_WIDTH-1] = SPACE;
}
if (gameFields[FIELD_WIDTH-1] != BAR &&
gameFields[FIELD_WIDTH-2] != BAR &&
gameFields[FIELD_WIDTH-3] != BAR &&
bottomBarsCount < FIELD_WIDTH/2 &&
random(9) < BAR_PROBABILITY)
{
gameFields[2*FIELD_WIDTH-1] = BAR;
} else
{
gameFields[2*FIELD_WIDTH-1] = SPACE;
}
topQueue = true;
}
}

void gameOver()
{
gameStatus = ENDING;
endGameTime += (millis() — startGameTime);
if (endGameTime > bestGameTime)
{
bestGameTime = endGameTime;
}
int playerPos = 0;
if (gameFields[FIELD_WIDTH] == PLAYER)
{
playerPos = FIELD_WIDTH;
}
lcd.setCursor(playerPos%FIELD_WIDTH, playerPos/FIELD_WIDTH);
lcd.print('x');
delay(300);
lcd.setCursor(playerPos%FIELD_WIDTH, playerPos/FIELD_WIDTH);
lcd.print('X');
delay(300);
lcd.setCursor(playerPos%FIELD_WIDTH, playerPos/FIELD_WIDTH);
lcd.print('x');
delay(300);
lcd.setCursor(playerPos%FIELD_WIDTH, playerPos/FIELD_WIDTH);
lcd.print('X');
delay(300);
lcd.setCursor(playerPos%FIELD_WIDTH, playerPos/FIELD_WIDTH);
lcd.print('x');
delay(300);
lcd.setCursor(playerPos%FIELD_WIDTH, playerPos/FIELD_WIDTH);
lcd.print('X');
delay(300);
lcd.setCursor(0, 0);
lcd.print(" ");
lcd.setCursor(0, 1);
lcd.print(" ");
lcd.setCursor(0, 0);
lcd.print(«Last time:»);
lcd.print(endGameTime/1000);
lcd.print(" sec");
lcd.setCursor(0, 1);
lcd.print(«Best time:»);
lcd.print(bestGameTime/1000);
lcd.print(" sec");
}

void printGameField()
{
for (int i = 0; i < FIELD_WIDTH*2; i++)
{
lcd.setCursor(i%FIELD_WIDTH, i/FIELD_WIDTH);
lcd.print(gameFields[i]);
}
}

void pause()
{
lcd.setCursor(0, 0);
lcd.print(" ");
lcd.setCursor(0, 1);
lcd.print(" ");
lcd.setCursor(0, 0);
lcd.print(«Paused»);
lcd.setCursor(0, 1);
lcd.print(" PRESS — SELECT");
gameStatus = PAUSE;
endGameTime += (millis()-startGameTime);
}

void setup()
{
gameStatus = MAIN_MENU;
button = BUTTON_NONE;
bestGameTime = 0;

lcd.begin(16, 2);
lcd.setCursor(0, 0);
lcd.print(" SPACE INVADERS ");
lcd.setCursor(0, 1);
lcd.print(" RACE GAME ");
delay(600);
lcd.setCursor(0, 0);
lcd.print(" ");
lcd.setCursor(0, 1);
lcd.print(" ");
delay(600);
lcd.setCursor(0, 0);
lcd.print(" SPACE INVADERS ");
delay(600);
lcd.setCursor(0, 0);
lcd.print(" ");
lcd.setCursor(0, 1);
lcd.print(" ");
delay(600);
lcd.setCursor(0, 0);
lcd.print(" SPACE INVADERS ");
lcd.setCursor(0, 1);
lcd.print(" RACE GAME ");
delay(600);
lcd.setCursor(0, 0);
lcd.print(" ");
lcd.setCursor(0, 1);
lcd.print(" ");
delay(600);
lcd.begin(16, 2);
lcd.setCursor(0, 0);
lcd.print(" SPACE INVADERS ");
delay(600);
lcd.setCursor(0, 0);
lcd.print(" ");
lcd.setCursor(0, 1);
lcd.print(" ");
delay(600);
lcd.setCursor(0, 0);
lcd.print(" SPACE INVADERS ");
lcd.setCursor(0, 1);
lcd.print(" RACE GAME ");
delay(600);
lcd.setCursor(0, 0);
lcd.print(" ");
lcd.setCursor(0, 1);
lcd.print(" ");
delay(600);
lcd.setCursor(0, 0);
lcd.print(" SPACE INVADERS ");
delay(600);
lcd.setCursor(0, 0);
lcd.print(" ");
lcd.setCursor(0, 1);
lcd.print(" ");
delay(600);
lcd.setCursor(0, 0);
lcd.print(" PRESS — SELECT");
lcd.setCursor(0, 1);
lcd.print(" START GAME ");
}

void loop()
{
button = getPressedButton();

switch (gameStatus)
{
case MAIN_MENU:
if (button == BUTTON_SELECT)
{
startGame();
}
break;
case IN_GAME:
gameSpeed = SPEED_NORMAL;
switch (button)
{
case BUTTON_RIGHT:
gameSpeed = SPEED_HIGH;
break;
case BUTTON_LEFT:
pause();
break;
case BUTTON_UP:
if (gameFields[0] == BAR)
{
gameOver();
} else
{
gameFields[0] = PLAYER;
if (gameFields[FIELD_WIDTH] == PLAYER)
{
gameFields[FIELD_WIDTH] = SPACE;
}
}
break;
case BUTTON_DOWN:
if (gameFields[FIELD_WIDTH] == BAR)
{
gameOver();
} else
{
gameFields[FIELD_WIDTH] = PLAYER;
if (gameFields[0] == PLAYER)
{
gameFields[0] = SPACE;
}
}
break;
}
if (millis() — lastMovementTime > gameSpeed)
{
lastMovementTime = millis();
moveGameField();
}
if (millis() — lastChangeSpeedTime > changeSpeed)
{
lastChangeSpeedTime = millis();
SPEED_NORMAL -= 40;
// Предельная скорость
if (SPEED_NORMAL < 50)
{
SPEED_NORMAL = 50;
SPEED_HIGH = 50;
}
}
if (gameStatus == IN_GAME)
printGameField();
break;
case PAUSE:
if (button == BUTTON_SELECT)
{
gameStatus = IN_GAME;
startGameTime = millis();
}
break;
case ENDING:
if (button != BUTTON_NONE)
{
lcd.setCursor(0, 0);
lcd.print(" ");
lcd.setCursor(0, 1);
lcd.print(" ");
lcd.setCursor(0, 0);
lcd.print(" PRESS — SELECT");
lcd.setCursor(0, 1);
lcd.print(" START GAME ");
gameStatus = MAIN_MENU;
}
break;
}
}