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PHP dasturlash tilida otishma o'yini

o'yinni ishga tushirish uchun buyruqlar satrida

$: php shooterGame.php

shooterGame.php

<?php

class Entity {
	public $positionX = 0;
  	public $positionY = 0;

  	public function __construct( $x, $y ) {
    	$this->positionX = $x;
    	$this->positionY = $y;
  	}
}

class Spaceship extends Entity {
	public $movementX = 0;
  	public $movementY = 0;
  	public $fire = FALSE;
}

class Enemy extends Entity {}

class Bullet extends Entity {}

class Scene {
	public $height;
  	public $width;

  	public $ship;
  	public $enemies = [];
 	public $bullets = [];
  	public $score = 0;

  	public function __construct( $width, $height ) {
    	$this->width = $width;
    	$this->height = $height;
    	$this->ship = new Spaceship( 2, round( $this->height / 2 ) );
  	}

  	public function moveShip() {
    	$this->ship->positionX += $this->ship->movementX;
    	$this->ship->positionY += $this->ship->movementY;

    	$this->ship->movementX = 0;
    	$this->ship->movementY = 0;

    	if ( $this->ship->positionX < 0 ) {
      		$this->ship->positionX = 0;
    	}
    	
    	if ( $this->ship->positionX >= $this->height ) {
      		$this->ship->positionX = $this->height - 1;
    	}
    	
    	if ( $this->ship->positionY < 0 ) {
      		$this->ship->positionY = 0;
    	}
    	
    	if ( $this->ship->positionY > $this->width / 4 ) {
      		$this->ship->positionY = $this->width / 4;
   		}
  	}

  	public function shoot() {
    	if ( $this->ship->fire == TRUE ) {
      		$this->bullets[] = new Bullet( $this->ship->positionX, $this->ship->positionY + 1 );
      		$this->ship->fire = FALSE;
    	}
  	}

  	public function action( $stdin ) {
    	$key = fgets( $stdin );
    	if ( $key ) {
      		$key = $this->translateKeypress( $key );
      		switch ( $key ) {
        		case "UP":
          			$this->ship->movementX = -1;
          			$this->ship->movementY = 0;
          		break;
        		case "DOWN":
          			$this->ship->movementX = 1;
          			$this->ship->movementY = 0;
          		break;
        		case "RIGHT":
          			$this->ship->movementX = 0;
          			$this->ship->movementY = 1;
          		break;
        		case "LEFT":
          			$this->ship->movementX = 0;
         	 		$this->ship->movementY = -1;
          		break;
        		case "ENTER":
        		case "SPACE":
          			$this->ship->fire = TRUE;
          		break;
        		case "ESC":
          			exit();
      		}
    	}
  	}

  	private function translateKeypress( $string ) {
    	switch ( $string ) {
      		case "\033[A":
        		return "UP";
      		case "\033[B":
        		return "DOWN";
      		case "\033[C":
        		return "RIGHT";
      		case "\033[D":
        		return "LEFT";
      		case "\n":
       			return "ENTER";
      		case " ":
        		return "SPACE";
      		case "\e":
        		return "ESC";
    	}
    	return $string;
  	}

  	public function moveBullets() {
    	foreach ( $this->bullets as $bullet ) {
      		$bullet->positionY++;
    	}
  	}

  	public function spawnEnemies() {
    	if ( count( $this->enemies ) < 15) {
      		$y = rand( $this->width, $this->width * 2 );
      		$x = rand( 0, $this->height - 1 );
      		$this->enemies[] = new Enemy( $x, $y );
    	}
  	}

  	public function moveEnemies() {
    	foreach ( $this->enemies as $enemyId => $enemy ) {
      		$enemy->positionY--;
      		if ( $enemy->positionY == 0 ) {
        		// Dushman sahnaning chap tomoniga taqalgan bo'lsa uni hech qanday hodisasiz olib tashlash lozim.
        		unset( $this->enemies[ $enemyId ] );
        		continue;
      		}
      		
      		foreach ( $this->bullets as $bulletId => $bullet ) {
        		if ( $bullet->positionX == $enemy->positionX && ( $bullet->positionY == $enemy->positionY || $bullet->positionY == $enemy->positionY - 1 ) ) {
          			unset( $this->enemies[ $enemyId ] );
          			unset( $this->bullets[ $bulletId ] );
          			$this->score++;
        		}
      		}
    	}
  	}

  	public function gameOver() {
    	foreach ( $this->enemies as $enemy ) {
      		if ( $this->ship->positionX == $enemy->positionX && $this->ship->positionY == $enemy->positionY ) {
        		exit('O\'yin tugadi, dushman kemasi sizni mag\'lub qildi');
      		}
    	}
  	}

  	public function renderGame() {
    	$output = '';

    	for ( $i = 0; $i < $this->height; $i++ ) {
      		for ( $j = 0; $j < $this->width; $j++ ) {
        		$cell = ( $this->ship->positionX == $i && $this->ship->positionY == $j ) ? '>' : ' ';
        		
        		foreach( $this->enemies as $enemy ) {
          			if ( $enemy->positionX == $i && $enemy->positionY == $j ) $cell = 'X';
        		}

        		foreach( $this->bullets as $bullet ) {
          			if ( $bullet->positionX == $i && $bullet->positionY == $j ) $cell = '-';
        		}
        		
        		$output .= $cell;
      		}
      		
      		$output .= PHP_EOL;
    	}

    	$output .= PHP_EOL. 'Ochkolar: ' . $this->score . PHP_EOL;

    	return $output;
  	}

}

$scene = new Scene( 50, 10 ); // kenglik, balandlik

system( 'stty cbreak -echo' ); // strdan alohida belgilarni o'qishni belgilash
$stdin = fopen( 'php://stdin', 'r' ); // kiritish oqimini ochish
stream_set_blocking( $stdin, 0 ); // oqimni to'xtovsiz o'qish uchun kiritish satriga to'siq o'rnatish

while ( 1 ) {
  system( 'clear' ); // satrni tozalash
  $scene->action( $stdin ); // Kema uchun harakatlarni belgilash
  $scene->moveShip(); // Kemani harakatga keltirish
  $scene->shoot(); // Otish
  $scene->moveEnemies(); // Dushmanlarni harakatlantirish
  $scene->moveBullets(); // O'qlarni harakatlantirish
  echo $scene->renderGame(); // O'yin sahnasini chop etish
  $scene->gameOver(); // O'yindagi kema holatini kuzatish (O'yinni tugatish jarayoni)
  $scene->spawnEnemies(); // Dushmanlarni generatsiya qilib borish
  usleep(100000);
}