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	diff --git a/Barrier.cpp b/Barrier.cpp
	index 1379ab8..aeb8fa2 100644
	--- a/Barrier.cpp
	+++ b/Barrier.cpp
	@@ -1,24 +1,30 @@
	#include "Barrier.h"

	using namespace std;

	void Barrier::SetBarrierpos(int x, int y)
	{
	x_pos = x;
	y_pos = y;

	}


	void Barrier::setLife(int l)
	{
	life_points = l;
	}
	Barrier::Barrier()
	{
	life_points = 5;
	BHeight = 31;
	Bright = 100;
	Bleft = 0;
	active = true;
	+}
	+
	+void Barrier::drawIfActive(float x, float y)
	+{
	+ if (this->active == true)
	+ al_draw_bitmap(CurrentImage, x, y, 0);
	}
	\ No newline at end of file
	diff --git a/Barrier.h b/Barrier.h
	index c4eded4..0a973b3 100644
	--- a/Barrier.h
	+++ b/Barrier.h
	@@ -1,21 +1,27 @@
	#pragma once
	+#include<allegro5\allegro.h>
	+#include<allegro5\allegro_image.h>
	using namespace std;
	class Barrier
	{

	public:

	Barrier();
	void SetBarrierpos(int x, int y);
	void setLife(int l);
	+ void drawIfActive(float x, float y);

	int x_pos;
	int y_pos;
	int life_points;
	bool active;
	+ ALLEGRO_BITMAP *CurrentImage;
	+ const char *Images[5] = { "B4.png","B3.png","B2.png","B1.png","B0.png" };

	int BHeight = 31;
	int Bright = 100;
	int Bleft = 0;

	+
	};
	\ No newline at end of file
	diff --git a/Test.cpp b/Test.cpp
	index 1d366bb..d9b0ea2 100644
	--- a/Test.cpp
	+++ b/Test.cpp
	@@ -1,896 +1,898 @@
	#pragma comment(linker, "/SUBSYSTEM:windows /ENTRY:mainCRTStartup") //no console window behind game window

	#include<allegro5\allegro.h>
	#include<allegro5\allegro_native_dialog.h>
	#include<allegro5\allegro_primitives.h>
	#include<allegro5\allegro_image.h>
	#include <allegro5\allegro_font.h>
	#include <allegro5\allegro_ttf.h>
	#include <allegro5\allegro_audio.h>
	#include <allegro5\allegro_acodec.h>
	#include <string>
	#include <string.h>
	#include <iostream>
	#include <fstream>

	#include "Enemy.h"
	#include "Spaceship.h"
	#include "Bullet.h"
	#include "Global.h"
	#include "BackGround.h"
	#include "Barrier.h"

	using namespace std;

	//GLOBALS
	enum KEYS {LEFT, RIGHT, SPACE};
	bool keys[5] = {false,false,false};
	int gameState = 1; //initial gamestate is menu
	extern int width;
	extern int height;
	int numAlive = NUM_COLUMNS*NUM_ROWS;
	int EnemyWaveCount = 0;
	int input=0;
	char* nameString;

	bool isHighscore = false; //READ IN LOWEST HIGHSCORE FIRST. USE THIS BOOL TO CHECK USER FINAL SCORE VS LOWEST HIGHSCORE
	int lowScore = 0;

	//METHODS
	void setEnemy();
	void collideEnemy(int&);
	void collidePlayer();
	void moveDown(int&);
	void enemyShoot();
	void updateBullet();
	bool reachEnd();
	void InitBackground(BackGround &back, float x, float y, float velx, float vely, int width, int height, int dirX, int dirY, ALLEGRO_BITMAP *image);
	void UpdateBackground(BackGround &back);
	void DrawBackground(BackGround &back);
	void CollideBarrier();
	void Reactivate_Enemies();
	void EnemyReachEnd();
	void BulletBarrierCollide();
	void InitBarriers();
	void Reactivate_Barriers();
	void updateEnemyCount();
	+void UpdateBarrierImages(ALLEGRO_BITMAP *SpaceBarrier[]);

	//INITIALISE
	Spaceship player(width/2, height*4/5);
	Bullet playerBullet(player.x_pos, player.y_pos,10,true);
	Bullet enemyBullet(0,0,10,false);
	Enemy arrEnem[NUM_COLUMNS][NUM_ROWS]; //array of objects
	Barrier redBarrier[3];
	BackGround BG;
	BackGround MG;
	BackGround FG;
	BackGround MM;

	BackGround MBG; //<---------------- what is this for? Unused


	int main(void)
	{
	setEnemy();
	enemyBullet.isFriendly = false;
	srand((unsigned)time(NULL));

	//variables
	const int FPS = 60;
	bool done = false;
	bool redraw = true;
	int CurrentFrame = 0;
	const int frames = 28;

	// \/ no need to use variable
	int Delay = 10;


	if(!al_init())
	{
	al_show_native_message_box(NULL,NULL,NULL,"Could not initialize allegro",NULL,NULL);
	return -1;
	}

	//Allegro variables
	ALLEGRO_DISPLAY *DISPLAY = NULL;
	ALLEGRO_BITMAP *picHealth[7];
	ALLEGRO_BITMAP *picShip = NULL;
	ALLEGRO_BITMAP *picBullet = NULL;
	ALLEGRO_BITMAP *picEnemy = NULL;
	ALLEGRO_BITMAP *Game = NULL;
	ALLEGRO_BITMAP *MENU = NULL;
	ALLEGRO_BITMAP *bgImage = NULL;
	ALLEGRO_BITMAP *mgImage = NULL;
	ALLEGRO_BITMAP *fgImage = NULL;
	ALLEGRO_BITMAP *MenuAnim[frames];//to be removed
	ALLEGRO_FILE *fghjbvc = NULL;

	ALLEGRO_EVENT_QUEUE *TestQueue = NULL;
	ALLEGRO_TIMER *timer = NULL;
	ALLEGRO_FONT *font25 = NULL;
	ALLEGRO_FONT *font50 = NULL;
	ALLEGRO_FONT *fontName = NULL;
	ALLEGRO_SAMPLE *blaster = NULL;
	ALLEGRO_SAMPLE *explosion = NULL;
	ALLEGRO_SAMPLE *music = NULL;
	ALLEGRO_SAMPLE *startGame = NULL;
	- ALLEGRO_BITMAP *Barrier[5];
	- ALLEGRO_BITMAP *AsImage[3];
	+ ALLEGRO_BITMAP *SpaceBarrier[5];
	ALLEGRO_USTR* str = al_ustr_new("ENTER NAME: ");

	//Allegro Module Init
	al_init_image_addon();
	al_set_new_window_position(400, 200); //set pos of game window
	DISPLAY = al_create_display(width, height);
	al_hide_mouse_cursor(DISPLAY);
	al_init_primitives_addon();
	al_install_keyboard();
	al_init_font_addon();
	al_init_ttf_addon();
	al_install_audio();
	al_init_acodec_addon();

	if (!DISPLAY)
	{
	al_show_native_message_box(NULL, NULL, NULL, "Could not initialize display", NULL, NULL);
	return -1;
	}

	//load sounds
	al_reserve_samples(4);
	blaster = al_load_sample("XWing-Laser.ogg");
	explosion = al_load_sample("Blast.ogg");
	startGame = al_load_sample("xwing.ogg");
	music = al_load_sample("Star_Wars.ogg");

	//Load Pictures
	picBullet=al_load_bitmap("Lazer.png");
	picShip =al_load_bitmap("player1.png");
	picEnemy = al_load_bitmap("enemy.png");
	Game = al_load_bitmap("Goodpic.png");
	MENU = al_load_bitmap("starBG.png");

	- Barrier[0] = al_load_bitmap("B4.png");
	- Barrier[1] = al_load_bitmap("B3.png");
	- Barrier[2] = al_load_bitmap("B2.png");
	- Barrier[3] = al_load_bitmap("B1.png");
	- Barrier[4] = al_load_bitmap("B0.png");
	for (int i = 0; i < 5; i++)
	- al_convert_mask_to_alpha(Barrier[i], al_map_rgb(255, 255, 255));
	+ SpaceBarrier[i] = al_load_bitmap(redBarrier[0].Images[i]);

	- AsImage[0] = Barrier[4];
	- AsImage[1] = Barrier[4];
	- AsImage[2] = Barrier[4];
	+ for (int i = 0; i < 5; i++)
	+ al_convert_mask_to_alpha(SpaceBarrier[i], al_map_rgb(255, 255, 255));

	+ for (int i = 0; i < 3; i++)
	+ redBarrier[i].CurrentImage = SpaceBarrier[4];

	// \/ Remove \/
	MenuAnim[0] = al_load_bitmap("S1.png");
	MenuAnim[1] = al_load_bitmap("S2.png");
	MenuAnim[2] = al_load_bitmap("S3.png");
	MenuAnim[3] = al_load_bitmap("S4.png");
	MenuAnim[4] = al_load_bitmap("S5.png");
	MenuAnim[5] = al_load_bitmap("S6.png");
	MenuAnim[6] = al_load_bitmap("S7.png");
	MenuAnim[7] = al_load_bitmap("S8.png");
	MenuAnim[8] = al_load_bitmap("S9.png");
	MenuAnim[9] = al_load_bitmap("S10.png");
	MenuAnim[10] = al_load_bitmap("S11.png");
	MenuAnim[11] = al_load_bitmap("S12.png");
	MenuAnim[12] = al_load_bitmap("S13.png");
	MenuAnim[13] = al_load_bitmap("S14.png");
	MenuAnim[14] = al_load_bitmap("S15.png");
	MenuAnim[15] = al_load_bitmap("S16.png");
	MenuAnim[16] = al_load_bitmap("S17.png");
	MenuAnim[17] = al_load_bitmap("S18.png");
	MenuAnim[18] = al_load_bitmap("S19.png");
	MenuAnim[19] = al_load_bitmap("S20.png");
	MenuAnim[20] = al_load_bitmap("S21.png");
	MenuAnim[21] = al_load_bitmap("S22.png");
	MenuAnim[22] = al_load_bitmap("S23.png");
	MenuAnim[23] = al_load_bitmap("S24.png");
	MenuAnim[24] = al_load_bitmap("S25.png");
	MenuAnim[25] = al_load_bitmap("S26.png");
	MenuAnim[26] = al_load_bitmap("S27.png");
	MenuAnim[27] = al_load_bitmap("S28.png");
	for (int i = 0; i < 28; i++)
	al_convert_mask_to_alpha(MenuAnim[i], al_map_rgb(239, 241, 240));


	picHealth[0] = al_load_bitmap("1.png");
	picHealth[1] = al_load_bitmap("2.png");
	picHealth[2] = al_load_bitmap("3.png");
	picHealth[3] = al_load_bitmap("4.png");
	picHealth[4] = al_load_bitmap("5.png");
	picHealth[5] = al_load_bitmap("6.png");
	picHealth[6] = al_load_bitmap("blank.png");
	for (int i = 0; i < 7; i++)
	al_convert_mask_to_alpha(picHealth[i], al_map_rgb(0, 0, 0));

	bgImage = al_load_bitmap("starBG.png");
	mgImage = al_load_bitmap("starMG.jpg");
	fgImage = al_load_bitmap("starFG.png");


	al_convert_mask_to_alpha(picShip,al_map_rgb(0,0,0));
	al_convert_mask_to_alpha(picEnemy, al_map_rgb(0, 0, 0));
	al_convert_mask_to_alpha(picBullet, al_map_rgb(0, 0, 0));
	al_convert_mask_to_alpha(mgImage, al_map_rgb(0, 0, 0));

	InitBackground(BG, 0, 0, 1, 0, 800, 600, -1, 1, bgImage);
	InitBackground(MG, 0, 0, 3, 0, 2000, 768, -1, 1, mgImage);
	InitBackground(FG, 0, 0, 5, 0, 800, 600, -1, 1, fgImage);
	InitBackground(MM, 0, 0, 1, 0, 800, 600, -1, 1,MENU);
	InitBarriers();

	timer = al_create_timer(1.0 / FPS);

	al_set_display_icon(DISPLAY, picShip);
	al_play_sample(music, 1, 0, 1, ALLEGRO_PLAYMODE_LOOP, NULL);

	TestQueue= al_create_event_queue();
	al_register_event_source(TestQueue,al_get_keyboard_event_source());
	al_register_event_source(TestQueue,al_get_display_event_source(DISPLAY));
	al_register_event_source(TestQueue,al_get_timer_event_source(timer));
	al_start_timer(timer);

	int score = 0;
	int frameCount = 0;
	int pos = (int)al_ustr_size(str);
	font25 = al_load_font("Legacy.ttf", 38, 0);
	font50 = al_load_font("STARWARS.TTF", 55, 0);
	fontName = al_load_font("Legacy.ttf", 38, 0);

	while (!done)
	{
	ALLEGRO_EVENT GETKEY;
	al_wait_for_event(TestQueue, &GETKEY);


	if (GETKEY.type == ALLEGRO_EVENT_DISPLAY_CLOSE) //will allow clicking X button to close program
	{
	done = true;
	}
	else if (GETKEY.type == ALLEGRO_EVENT_TIMER)
	{
	redraw = true;
	UpdateBackground(MM);
	frameCount++;
	if (keys[LEFT])
	player.MoveSpaceshipLeft();
	if (keys[RIGHT])
	player.MoveSpaceshipRight();
	if (keys[SPACE]) //Spacebar will fire
	{
	if (gameState == 1) {

	frameCount++;

	gameState = 2;
	}
	else if(gameState ==2)
	{
	if (playerBullet.status ==0)
	{
	al_play_sample(blaster, 1, 0, 1, ALLEGRO_PLAYMODE_ONCE, NULL);
	playerBullet.status = 1;
	}
	}

	}
	if (gameState == 2)
	{
	UpdateBackground(BG);
	UpdateBackground(MG);
	UpdateBackground(FG);
	collideEnemy(score);
	updateEnemyCount();
	CollideBarrier();
	collidePlayer();
	BulletBarrierCollide();
	EnemyReachEnd();
	enemyShoot();
	moveDown(frameCount);
	updateBullet();
	}
	}


	else if (GETKEY.type==ALLEGRO_EVENT_KEY_DOWN)
	{
	switch(GETKEY.keyboard.keycode)
	{
	case ALLEGRO_KEY_ESCAPE: //esc to end the game
	if (gameState == 2)
	gameState = 3;
	else
	done = true;
	break;
	case ALLEGRO_KEY_RIGHT:
	keys[RIGHT] = true;
	break;
	case ALLEGRO_KEY_LEFT:
	keys[LEFT] = true;
	break;
	case ALLEGRO_KEY_SPACE:
	keys[SPACE]=true;
	break;
	case ALLEGRO_KEY_BACKSPACE: //backspace for name input
	if (gameState == 3)
	if (al_ustr_prev(str, &pos))
	al_ustr_truncate(str, pos);
	break;
	case ALLEGRO_KEY_ENTER: //will display leaderboard once they press enter.
	if (gameState == 3)
	gameState = 4;
	break;
	}
	}

	if (GETKEY.type == ALLEGRO_EVENT_KEY_UP)
	{
	switch (GETKEY.keyboard.keycode)
	{
	case ALLEGRO_KEY_RIGHT:
	keys[RIGHT] = false;
	break;
	case ALLEGRO_KEY_LEFT:
	keys[LEFT] = false;
	break;
	case ALLEGRO_KEY_SPACE:
	keys[SPACE] = false;
	break;
	}
	}

	else if (GETKEY.type == ALLEGRO_EVENT_KEY_CHAR && gameState == 3 && isHighscore)
	{
	if (GETKEY.keyboard.unichar >= 32)
	{
	if (input == 0)
	{
	al_ustr_remove_range(str, 0, al_ustr_length(str)); //clears 'ENTER NAME: '
	pos = 0;
	input = 1;
	}
	pos += al_ustr_append_chr(str, GETKEY.keyboard.unichar);
	}
	}

	if (redraw && al_is_event_queue_empty(TestQueue)) //rendering
	{
	redraw = false;
	if (gameState == 1) //menu
	{
	DrawBackground(MM);
	if (++CurrentFrame >= Delay)
	{
	if (++CurrentFrame >= frames)
	{
	CurrentFrame = 0;
	frameCount = 0;
	}
	}

	al_draw_bitmap(MenuAnim[CurrentFrame], 820, 500, 0); //to be removed

	al_draw_text(font25, al_map_rgb(255, 40, 78), width / 2, height- 750, ALLEGRO_ALIGN_CENTRE, "AMMST PRESENTS");
	al_draw_text(font50, al_map_rgb(255, 40, 78), (width / 2), (height) - 690, ALLEGRO_ALIGN_CENTRE, "DARTH INVADERS");
	al_draw_text(font25, al_map_rgb(255, 40, 78), (width / 2), (height) - 350, ALLEGRO_ALIGN_CENTRE, "PRESS SPACE TO START");
	al_draw_text(font25, al_map_rgb(255, 40, 78), (width / 2), (height -300) , ALLEGRO_ALIGN_CENTRE, "PRESS ESC TO EXIT");
	}

	else if (gameState == 2) //main game
	{
	DrawBackground(BG);
	DrawBackground(MG);
	DrawBackground(FG);

	// Make into method \/
	- for (int b = 0; b < 3; b++)
	- {
	- if (redBarrier[b].life_points != -1)
	- {
	- AsImage[b] = Barrier[redBarrier[b].life_points];
	- }
	+ UpdateBarrierImages(SpaceBarrier);

	- if (redBarrier[b].life_points == 5)
	- AsImage[b] = Barrier[4];
	- if (redBarrier[b].life_points == 4)
	- AsImage[b] = Barrier[3];
	- if (redBarrier[b].life_points == 3)
	- AsImage[b] = Barrier[2];
	- if (redBarrier[b].life_points == 2)
	- AsImage[b] = Barrier[1];
	- if (redBarrier[b].life_points == 1)
	- AsImage[b] = Barrier[0];
	- }
	-
	- if (redBarrier[0].active == true)
	- al_draw_bitmap(AsImage[0], 50, 500, 0);
	- if (redBarrier[1].active == true)
	- al_draw_bitmap(AsImage[1], 435, 500, 0);
	- if (redBarrier[2].active == true)
	- al_draw_bitmap(AsImage[2], 820, 500, 0);

	+ redBarrier[0].drawIfActive(50, 500);
	+ redBarrier[1].drawIfActive(435, 500);
	+ redBarrier[2].drawIfActive(820, 500);


	if (playerBullet.status == 1 && player.active) //if bullet still active
	{
	playerBullet.Increment(); //bullet will move pos
	al_draw_bitmap(picBullet, playerBullet.x_pos, playerBullet.y_pos, 0); //redraw at new pos
	if (playerBullet.y_pos < 20)
	{
	playerBullet.status = 0;
	updateBullet();
	}
	}

	if (enemyBullet.status == 1)
	{
	enemyBullet.Increment(); //bullet will move pos
	al_draw_bitmap(picBullet, enemyBullet.x_pos, enemyBullet.y_pos, 0);
	}

	switch (player.health)
	{
	case 60:
	al_draw_bitmap(picHealth[0], 10, 40, 0);
	break;
	case 50:
	al_draw_bitmap(picHealth[1], 10, 40, 0);
	break;
	case 40:
	al_draw_bitmap(picHealth[2], 10, 40, 0);
	break;
	case 30:
	al_draw_bitmap(picHealth[3], 10, 40, 0);
	break;
	case 20:
	al_draw_bitmap(picHealth[4], 10, 40, 0);
	break;
	case 10:
	al_draw_bitmap(picHealth[5], 10, 40, 0);
	break;
	case 0:
	al_draw_bitmap(picHealth[6], 10, 40, 0);
	break;
	}

	if (player.health > 0)
	{
	al_draw_bitmap(picShip, player.x_pos - 45, player.y_pos, 0);
	}

	bool test = reachEnd();
	for (int i = 0; i < NUM_COLUMNS; i++)
	{


	for (int j = 0; j < NUM_ROWS; j++)
	{

	if (arrEnem[i][j].active)
	{
	arrEnem[i][j].Move(test);
	al_draw_bitmap(picEnemy, arrEnem[i][j].x_pos, arrEnem[i][j].y_pos, 0);
	}
	}

	}

	al_draw_textf(font25, al_map_rgb(255, 0, 0), 10, 0, 0, "SCORE: %i", score);
	}

	else if(gameState == 3) //end game
	{
	if (player.health == 0)
	{
	al_play_sample(explosion, 1, 0, 1, ALLEGRO_PLAYMODE_ONCE, NULL);
	player.health = 1; // <--- bush method to make it only sound once :p
	}

	//check to determine if he made a highscore
	if(score>lowScore)
	isHighscore = true;

	nameString = al_cstr_dup(str);
	al_draw_textf(font50, al_map_rgb(255, 0, 0), width / 2 - 250, height / 2 - 200, 0, "FINAL SCORE: %i", score);

	if(isHighscore)
	al_draw_text(fontName, al_map_rgb_f(1, 1, 1), width / 2 - 250, height / 2 - 100, ALLEGRO_ALIGN_LEFT, nameString);
	}

	else if (gameState == 4) //highscores
	{
	string name = nameString;
	//if (isHighscore) -> write name & score to textfile & then SHOW LEADERBOARD here \|\| if not highscore. just show leaderboard
	}

	al_flip_display(); //flip display to show all drawn objects
	al_clear_to_color(al_map_rgb(0, 0, 0)); //background colour
	}
	}

	//Destroy allegro variables
	for (int i = 0; i < 28; i++) {
	al_destroy_bitmap(MenuAnim[i]);
	}
	al_destroy_sample(blaster);
	al_destroy_sample(explosion);
	al_destroy_sample(startGame);
	al_destroy_sample(music);

	al_destroy_event_queue(TestQueue);
	al_destroy_timer(timer);
	al_destroy_display(DISPLAY);

	al_destroy_font(font25);
	al_destroy_font(font50);

	al_destroy_bitmap(Game);
	al_destroy_bitmap(MENU);
	al_destroy_bitmap(picEnemy);
	al_destroy_bitmap(picShip);
	al_destroy_bitmap(picBullet);
	al_destroy_bitmap(bgImage);
	al_destroy_bitmap(mgImage);
	al_destroy_bitmap(fgImage);
	for (int i = 0; i < 7; i++)
	al_destroy_bitmap(picHealth[i]);

	// ADD YOUR BITMAPS ETC TO al_destroy !!

	return 0;
	}

	void collidePlayer()
	{
	if (enemyBullet.status)
	{
	if (enemyBullet.y_pos < player.y_pos + player.boxheight //checks if within box
	&& enemyBullet.y_pos > player.y_pos - player.boxheight
	&& enemyBullet.x_pos < player.x_pos + player.boxright
	&& enemyBullet.x_pos > player.x_pos - player.boxleft)
	{
	enemyBullet.status = 0; //bullet set to not active
	player.health -= 10;
	}
	}

	if (player.health == 0)
	{
	player.active = false;
	gameState = 3;
	}
	}

	void setEnemy()
	{
	//row 1
	arrEnem[0][0].set(width / 2 - sp, 65); //left
	arrEnem[1][0].set(width / 2, 65); //middle
	arrEnem[2][0].set(width / 2 + sp, 65); //right
	arrEnem[3][0].set(width / 2 - 2 * sp, 65);
	arrEnem[4][0].set(width / 2 + 2 * sp, 65);
	arrEnem[5][0].set(width / 2 - 3 * sp, 65);
	arrEnem[6][0].set(width / 2 + 3 * sp, 65);
	arrEnem[7][0].set(width / 2 - 4 * sp, 65);

	//row 2
	arrEnem[0][1].set(width / 2 - sp, 130); //left
	arrEnem[1][1].set(width / 2, 130); //middle
	arrEnem[2][1].set(width / 2 + sp, 130); //right
	arrEnem[3][1].set(width / 2 - 2 * sp, 130);
	arrEnem[4][1].set(width / 2 + 2 * sp, 130);
	arrEnem[5][1].set(width / 2 - 3 * sp, 130);
	arrEnem[6][1].set(width / 2 + 3 * sp, 130);
	arrEnem[7][1].set(width / 2 - 4 * sp, 130);

	//row 3
	arrEnem[0][2].set(width / 2 - sp, 195); //left
	arrEnem[1][2].set(width / 2, 195); //middle
	arrEnem[2][2].set(width / 2 + sp, 195); //right
	arrEnem[3][2].set(width / 2 - 2 * sp, 195);
	arrEnem[4][2].set(width / 2 + 2 * sp, 195);
	arrEnem[5][2].set(width / 2 - 3 * sp, 195);
	arrEnem[6][2].set(width / 2 + 3 * sp, 195);
	arrEnem[7][2].set(width / 2 - 4 * sp, 195);

	//row 4
	arrEnem[0][3].set(width / 2 - sp, 260);
	arrEnem[1][3].set(width / 2, 260);
	arrEnem[2][3].set(width / 2 + sp, 260);
	arrEnem[3][3].set(width / 2 - 2 * sp, 260);
	arrEnem[4][3].set(width / 2 + 2 * sp, 260);
	arrEnem[5][3].set(width / 2 - 3 * sp, 260);
	arrEnem[6][3].set(width / 2 + 3 * sp, 260);
	arrEnem[7][3].set(width / 2 - 4 * sp, 260);

	}

	void collideEnemy(int &score)
	{
	if (playerBullet.status)
	{
	for (int i = 0; i < NUM_COLUMNS; i++)
	{
	for (int j = 0; j < NUM_ROWS; j++) //collision detection ahead. Proceed with caution
	{
	if (arrEnem[i][j].active) //checks if enemy active
	{
	if (playerBullet.y_pos - 25 < arrEnem[i][j].y_pos + arrEnem[i][j].boxheight //checks if within box of enemy
	&& playerBullet.y_pos > arrEnem[i][j].y_pos - arrEnem[i][j].boxheight
	&& playerBullet.x_pos < arrEnem[i][j].x_pos + arrEnem[i][j].boxright
	&& playerBullet.x_pos > arrEnem[i][j].x_pos - arrEnem[i][j].boxleft)
	{
	playerBullet.status = 0; //bullet set to not active
	arrEnem[i][j].active = false; //enemy set to not active

	switch (j)
	{
	case 0:
	score += 40;
	break;
	case 1:
	score += 20;
	break;
	case 2:
	score += 20;
	break;
	default:
	score += 10;
	break;
	}
	numAlive--;
	}
	}
	}
	}
	}
	}

	void moveDown(int &frameCount)
	{
	int interval = 60; //how long enemies take to move down depends on how many enemies left

	if (numAlive > 30)
	{
	interval = 360;
	}
	else if (30 > numAlive && numAlive > 15)
	{
	interval = 300;
	}
	else if (15 > numAlive && numAlive > 8)
	{
	interval = 240;
	}
	else if (8 > numAlive && numAlive > 2)
	{
	interval = 120;
	}
	else if (numAlive == 0)
	{
	gameState = 3;
	}

	if (frameCount % interval == 0)
	{
	for (int i = 0; i < NUM_COLUMNS; i++)
	{
	for (int j = 0; j < NUM_ROWS; j++)
	{
	arrEnem[i][j].y_pos += 20;
	}
	}
	}
	}

	void enemyShoot()
	{
	if (!enemyBullet.status)
	{
	for (int i = 0; i < NUM_COLUMNS; i++)
	{
	for (int j = 0; j < NUM_ROWS; j++)
	{
	if (arrEnem[i][j].active)
	{
	int randCol = rand() % NUM_COLUMNS;
	int randRow = rand() % NUM_ROWS;
	if (randCol == i && randRow == j)
	{
	enemyBullet.UpdatebulletPos(arrEnem[i][j]);
	enemyBullet.status = 1;
	break;
	}
	}
	}
	}
	}
	}

	void updateBullet()
	{
	if (playerBullet.status == 0) //while bullet not active sets pos of ship as initial bullet pos
	playerBullet.UpdateBulletPos(player);
	}

	bool reachEnd() //returns true if any enemy hits either of the sides
	{
	for (int i = 0; i < NUM_COLUMNS; i++)
	{
	for (int j = 0; j < NUM_ROWS; j++)
	{
	if (arrEnem[i][j].active) //checks if enemy active
	{
	if (width-80 < arrEnem[i][j].x_pos && arrEnem[i][j].speed > 0) //if moving to the right and close to right wall
	{
	return true;
	break;
	}
	else if (10 > arrEnem[i][j].x_pos && arrEnem[i][j].speed < 0) //if moving to the left and close to left wall
	{
	return true;
	break;
	}
	}
	}
	}
	return false;
	}

	void InitBackground(BackGround &back, float x, float y, float velx, float vely, int width, int height, int dirX, int dirY, ALLEGRO_BITMAP *image)
	{
	back.x = x;
	back.y = y;
	back.velX = velx;
	back.velY = vely;
	back.WIDTH = width;
	back.HEIGHT = height;
	back.dirX = dirX;
	back.dirY = dirY;
	back.image = image;
	}

	void UpdateBackground(BackGround &back)
	{
	back.x += back.velX * back.dirX;
	if (back.x + back.WIDTH <= 0)
	back.x = 0;

	}

	void DrawBackground(BackGround &back)
	{
	al_draw_bitmap(back.image, back.x, back.y, 0);
	al_draw_bitmap(back.image, back.x + back.WIDTH, back.HEIGHT, 0);
	al_draw_bitmap(back.image, back.x, back.HEIGHT, 0);
	al_draw_bitmap(back.image, back.x + back.WIDTH, back.y, 0);


	}


	void InitBarriers()
	{
	redBarrier[0].SetBarrierpos(50, 500);
	redBarrier[1].SetBarrierpos(435, 500);
	redBarrier[2].SetBarrierpos(820, 500);

	for (int i = 0; i < 3; i++)
	{
	redBarrier[i].setLife(5);
	redBarrier[i].active = true;
	}
	}

	void Reactivate_Enemies()
	{
	for (int i = 0; i < NUM_COLUMNS; i++)
	{
	for (int j = 0; j < NUM_ROWS; j++)
	{
	arrEnem[i][j].active = true;
	}
	}
	}

	void CollideBarrier()
	{
	for (int i = 0; i < 3; i++)
	{
	if (redBarrier[i].active && enemyBullet.status == 1)
	{
	if (enemyBullet.x_pos >(redBarrier[i].x_pos - redBarrier[i].Bleft) && enemyBullet.x_pos<(redBarrier[i].x_pos + redBarrier[i].Bright)
	&& enemyBullet.y_pos>(redBarrier[i].y_pos - redBarrier[i].BHeight) && enemyBullet.y_pos < (redBarrier[i].y_pos + redBarrier[i].BHeight))
	{
	if (redBarrier[i].life_points != 0)
	{
	redBarrier[i].life_points--;
	if (redBarrier[i].life_points == 0)
	{
	redBarrier[i].active = false;
	}
	}
	enemyBullet.status = 0;
	}
	}
	}
	}

	void BulletBarrierCollide()
	{
	for (int i=0; i < 3; i++)
	{
	if (redBarrier[i].active && playerBullet.status == 1)
	{
	if (playerBullet.x_pos >(redBarrier[i].x_pos - redBarrier[i].Bleft) && playerBullet.x_pos<(redBarrier[i].x_pos + redBarrier[i].Bright)
	&& playerBullet.y_pos>(redBarrier[i].y_pos - redBarrier[i].BHeight) && playerBullet.y_pos < (redBarrier[i].y_pos + redBarrier[i].BHeight))
	{
	playerBullet.status = 0;
	}
	}
	}
	}

	void updateEnemyCount()
	{

	if (numAlive == 0)
	{
	EnemyWaveCount++;
	numAlive = NUM_COLUMNS*NUM_ROWS;
	Reactivate_Enemies();
	Reactivate_Barriers();
	setEnemy();

	switch (player.health)
	{
	case 50:
	player.health += 10;
	break;
	case 40:
	player.health += 20;
	break;
	case 30:
	player.health += 20;
	break;
	case 20:
	player.health += 20;
	break;
	case 10:
	player.health += 20;
	break;
	}
	}
	}

	void EnemyReachEnd()
	{
	for (int i = 0; i < NUM_COLUMNS; i++)
	{
	for (int j = 0; j < NUM_ROWS; j++)
	{
	if (arrEnem[i][j].active == true)
	{
	if (arrEnem[i][j].y_pos > redBarrier[0].y_pos - redBarrier[0].BHeight)
	{
	gameState = 3;
	}
	}
	}
	}
	}

	void Reactivate_Barriers()
	{
	for (int b = 0; b < 3; b++)
	{
	redBarrier[b].life_points = 5;
	redBarrier[b].active = true;
	}

	}

	+void UpdateBarrierImages(ALLEGRO_BITMAP *SpaceBarrier[])
	+{
	+ for (int i = 0; i < 3; i++)
	+ {
	+ if (redBarrier[i].life_points != -1)
	+ {
	+ redBarrier[i].CurrentImage = SpaceBarrier[redBarrier[i].life_points];
	+ }
	+
	+ if (redBarrier[i].life_points == 5)
	+ redBarrier[i].CurrentImage = SpaceBarrier[4];
	+ if (redBarrier[i].life_points == 4)
	+ redBarrier[i].CurrentImage = SpaceBarrier[3];
	+ if (redBarrier[i].life_points == 3)
	+ redBarrier[i].CurrentImage = SpaceBarrier[2];
	+ if (redBarrier[i].life_points == 2)
	+ redBarrier[i].CurrentImage = SpaceBarrier[1];
	+ if (redBarrier[i].life_points == 1)
	+ redBarrier[i].CurrentImage = SpaceBarrier[0];
	+
	+ }
	+
	+
	+
	+
	+}
	\ No newline at end of file

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