package main;

import processing.core.*;
import graphic.*;

import java.util.ArrayList;

public class D104_Yiting_Long_Milestone1_301183087 extends PApplet{
	
	float heightWhite;
	float widthWhite;
	float heightBlack;
	float widthBlack;
	int numOfWhite;
	int numOfBlack;
	float distanceBlack; 
	PVector position;
	public ArrayList<Sky> star = new ArrayList<Sky>();
	public ArrayList<Stone> stones = new ArrayList<Stone>();
	public ArrayList <BasicEnemy> enemyList = new ArrayList<BasicEnemy>();
	public ArrayList<Bonus> bonuss = new ArrayList<Bonus>();
	public ArrayList<SecondEnemy> twoenemies = new ArrayList<SecondEnemy>();
	public ArrayList<Boss> bosss = new ArrayList<Boss>();
	PImage startScreenimg, tipsimg, playimg, stoneimg, starimg, enemyimg, bulletimg, bonusbimg, bonuseimg, 
	enemytwoimg, boomimg, stoneboomimg, gameoverimg, bossimg, bossbulletimg, diamondimg, finalenemyimg, finalscreenimg; //define image 
	float speed = 2; 
	PFont font;
	// control player
	PVector upForce = new PVector(0, -speed);
	PVector downForce = new PVector(0, speed);
	PVector backForce = new PVector(-speed, 0);
	PVector forwardForce = new PVector(speed, 0);  
	boolean up, down, forward, back, fire, outScreen;
	int showTime;
	public void setup(){
		size(800,500);
		background(255);
		heightWhite = 200;
		widthWhite = 50;
		heightBlack = 150;
		widthBlack = 5;
		numOfWhite = 8;
		distanceBlack = 5;
		position = new PVector(200,250);
		for(int i = 0; i < numOfWhite; i++){
			position.x += widthWhite ;
			enemyList.add(new BasicEnemy(this, position));
		}
		 imageMode(CENTER);
		  // loading image
		  startScreenimg = loadImage("startScreen.png");
		  tipsimg = loadImage("tips.png");
		  playimg = loadImage("ship.png");
		  stoneimg = loadImage("stone.png");
		  starimg = loadImage("star.png");
		  enemyimg = loadImage("enemy.png");
		  bulletimg = loadImage("bullet.png");
		  bonusbimg = loadImage("bonusb.png");
		  bonuseimg = loadImage("bonuse.png");
		  enemytwoimg = loadImage("enemytwo.png");
		  boomimg = loadImage("boom.png");
		  stoneboomimg = loadImage("stoneboom.png");
		  gameoverimg = loadImage("gameover.png");
		  bossimg = loadImage("boss.png");
		  bossbulletimg = loadImage("bossbullet.png");
		  diamondimg = loadImage("diamond.png");
		  finalenemyimg = loadImage("finalenemy.png");
		  finalscreenimg = loadImage("finalscreen.png");
	}
	public void draw(){
		switch(state){
		  case 0:
			  startScreen(); 
			  break;
		  case 1:  
			  level1(); 
			  break;
		  case 2:
			  level2(); 
			  break;
		  case 3: 
			  level3(); 
			  break;
		  case 4: 
			  gameoverScreen(); 
			  break;
		  case 5:
			  interim();
			  break;
		  case 6:
			  win();
			  break;
		  }
	}


	void startScreen() {
		  background(12, 17, 140);
		  for (int i = 0; i < star.size(); i++) {
		    star.get(i).update();
		  }// make a new object
		  // arguments passed to the constructor set the initial values
		  sky = new Sky(new PVector(random(height), random(width)));
		  if (frameCount %30 == 0 &&star.size()<20) {
		    star.add(sky); //add the new object to the arraylist
		  }
		  image(startScreenimg, width/2, 150, 480, 250);
		  image(tipsimg, width/2, 380);
		  if (mousePressed == true && (mouseButton == LEFT)) {
		    state=1;
		  }
		}

	void level1() {
	  background(12, 17, 140);
	  text("Level:   1", 500, 40);
	  if (up) player.move(upForce);
	  if (down) player.move(downForce);
	  if (back) player.move(backForce);
	  if (forward) player.move(forwardForce);
	  if (fire)player.fireBullet();
	    for (int i = 0; i < star.size(); i++) {
	      star.get(i).update();
	    }
	    sky = new Sky(new PVector(random(height), random(width)));
	    if (frameCount %30 == 0 &&star.size()<20) {
	      star.add(sky);
	    }
	    for (int i = 0; i < bonuss.size(); i++) {
	      bonuss.get(i).update();
	    }
	    bonus = new Bonus(new PVector(800, random(100, 400)));
	    if (player.score > 800 && frameCount %50 == 0 && bonuss.size()<1) {
	      bonuss.add(bonus);
	    }
	    player.update();
	    player.draw();
	    if (frameCount %120 == 0 && stones.size()<5) {
	      stones.add(new Stone(new PVector(800, random(100, 400))));
	    }
	    for (int i = 0; i < stones.size(); i++) {
	      Stone s = stones.get(i);
	      s.update();
	      if (s.outScreen == true) {
	        stones.remove(i);//remove the object which out of screen
	      }
	      if (s.collision(player)) {
	        player.hit();//check collision
	        collisionstone.play(120); //play sounds of effect
	        stones.remove(i).getboom();
	      }
	    }
	    if (frameCount %120 == 0 && enemies.size()<10) {
	      enemies.add(new Enemy(new PVector(800, random(100, 250))));
	      enemies.add(new Enemy(new PVector(800, random(250, 450))));
	    }
	    for (int i = 0; i < enemies.size(); i++) {
	      Enemy e = enemies.get(i);
	      e.update();
	      if (e.outScreen == true) {
	        enemies.remove(i);
	      }
	      if (e.collision(player)) {
	        player.hit();
	        collisionenemy.play(0);
	        enemies.remove(i);
	      }
	    }
	  bloodBar();
	  getScore();
	  if (player.score >= 1300) {   //above 1300 jump to level 2
	    levelup.play();
	    state = 2;
	  }
	}

	void level2() {
	  background(12, 17, 120);
	  text("Level:   2", 500, 40);
	  if (up) player.move(upForce);
	  if (down) player.move(downForce);
	  if (back) player.move(backForce);
	  if (forward) player.move(forwardForce);
	  if (fire)player.fireBullet();
	  for (int i = 0; i < star.size(); i++) {
	    star.get(i).update();
	  }
	  sky = new Sky(new PVector(random(height), random(width)));
	  if (frameCount %30 == 0 &&star.size()<20) {
	    star.add(sky);
	  }
	  if (frameCount %120 == 0 && stones.size()<5) {
	    stones.add(new Stone(new PVector(800, random(100, 400))));
	  }
	  for (int i = 0; i < stones.size(); i++) {
	    Stone s = stones.get(i);
	    s.update();
	    if (s.outScreen == true) {
	      stones.remove(i);
	    }
	    if (s.collision(player)) {
	      player.hit();
	      collisionstone.play(120);
	      stones.remove(i).getboom();
	    }
	  }
	  if (player.score > 800 && frameCount %50 == 0 && bonuss.size()<1) {
	    bonuss.add(bonus);
	  }
	  for (int i = 0; i < bonuss.size(); i++) {
	    bonuss.get(i).update();
	  }
	  bonus = new Bonus(new PVector(800, random(100, 400)));
	  if (frameCount %120== 0 && enemies.size()<3) {
	    enemies.add(new Enemy(new PVector(800, random(100, 400))));
	  }
	  for (int i = 0; i < enemies.size(); i++) {
	    Enemy e = enemies.get(i);
	    e.update();
	    if (e.outScreen == true) {
	      enemies.remove(i);
	    }
	    if (e.collision(player)) {
	      player.hit();
	      collisionenemy.play(0);
	      enemies.remove(i);
	    }
	  }
	  if (frameCount %240 == 0 && twoenemies.size()<8) {
	    twoenemies.add(new Enemytwo(new PVector(800, random(100, 400))));
	  }
	  for (int i = 0; i < twoenemies.size(); i++) {
	    Enemytwo t = twoenemies.get(i);
	    t.update();
	    if (t.outScreen == true) {
	      twoenemies.remove(i);
	    }
	    if (t.collision(player)) {
	      player.hit();
	      collisionenemy.play(0);
	      twoenemies.remove(i);
	    }
	  }
	  player.update();
	  player.draw();
	  bloodBar();
	  getScore();
	}
	void interim() {
	  background(0, 0, 0);
	  text("Level:   2", 500, 40);
	  if (up) player.move(upForce);
	  if (down) player.move(downForce);
	  if (back) player.move(backForce);
	  if (forward) player.move(forwardForce);
	  if (fire)player.fireBullet();
	  for (int i = 0; i < star.size(); i++) {
	    star.get(i).update();
	  }
	  sky = new Sky(new PVector(random(height), random(width)));
	  if (frameCount %30 == 0 &&star.size()<20) {
	    star.add(sky);
	  }
	  if (frameCount %120 == 0 && stones.size()<5) {
	    stones.add(new Stone(new PVector(800, random(100, 400))));
	  }
	  for (int i = 0; i < stones.size(); i++) {
	    Stone s = stones.get(i);
	    s.update();
	    if (s.outScreen == true) {
	      stones.remove(i);
	    }
	    if (s.collision(player)) {
	      player.hit();
	      collisionstone.play(120);
	      stones.remove(i).getboom();
	    }
	    image(diamondimg, 700, 250);
	    levelup.play();
	    if ( dist(player.pos.x, player.pos.y, 700, 250) < 
	      player.radius + 25) {
	      state = 6;
	    }
	  }
	  player.update();
	  player.draw();
	  bloodBar();
	  getScore();
	}

	void level3() {
	  background(0, 0, 0);
	  text("Level:   3", 500, 40);
	  if (up) player.move(upForce);
	  if (down) player.move(downForce);
	  if (back) player.move(backForce);
	  if (forward) player.move(forwardForce);
	  if (fire)player.fireBullet();
	  for (int i = 0; i < star.size(); i++) {
	    star.get(i).update();
	  }
	  sky = new Sky(new PVector(random(height), random(width)));
	  if (frameCount %30 == 0 &&star.size()<20) {
	    star.add(sky);
	  }
	  if (frameCount %120 == 0 && stones.size()<5) {
	    stones.add(new Stone(new PVector(800, random(100, 400))));
	  }
	  for (int i = 0; i < stones.size(); i++) {
	    Stone s = stones.get(i);
	    s.update();
	    if (s.outScreen == true) {
	      stones.remove(i);
	    }
	    if (s.collision(player)) {
	      player.hit();
	      collisionstone.play(120);
	      stones.remove(i).getboom();
	    }
	  }
	  if (frameCount %50 == 0 && bonuss.size()<1) {
	    bonuss.add(bonus);
	  }
	  for (int i = 0; i < bonuss.size(); i++) {
	    bonuss.get(i).update();
	  }
	  bonus = new Bonus(new PVector(800, random(100, 400)));
	  if (frameCount %120== 0 && finalenemies.size()<4) {
	    finalenemies.add(new Finalenemy(new PVector(800, random(100, 250))));
	    finalenemies.add(new Finalenemy(new PVector(800, random(250, 450))));
	  }
	  for (int i = 0; i < finalenemies.size(); i++) {
	    Finalenemy e = finalenemies.get(i);
	    e.update();
	    if (e.outScreen == true) {
	      finalenemies.remove(i);
	    }
	    if (e.collision(player)) {
	      player.hit();
	      collisionenemy.play(0);
	      finalenemies.remove(i);
	    }
	  }
	  if (frameCount %240 == 0 && twoenemies.size()<5) {
	    twoenemies.add(new Enemytwo(new PVector(800, random(100, 400))));
	  }
	  for (int i = 0; i < twoenemies.size(); i++) {
	    Enemytwo t = twoenemies.get(i);
	    t.update();
	    if (t.outScreen == true) {
	      twoenemies.remove(i);
	    }
	    if (t.collision(player)) {
	      player.hit();
	      collisionenemy.play(0);
	      twoenemies.remove(i);
	    }
	  }
	  if (player.hit >10) { // hit 10 enemies call boss out 
	    if (bosss.size()<1) {
	      bosss.add( new Boss(new PVector(700, 250)));
	    }
	    for (int i = 0; i < bosss.size(); i++) {
	      Boss b = bosss.get(i);
	      b.update();
	    }
	  }
	  player.update();
	  player.draw();
	  bloodBar();
	  getScore();
	}
	void gameoverScreen() {
	  background(12, 17, 140);
	  for (int i = 0; i < star.size(); i++) {
	    star.get(i).update();
	  }
	  sky = new Sky(new PVector(random(height), random(width)));
	  if (frameCount %30 == 0 &&star.size()<20) {
	    star.add(sky);
	  }
	  image(gameoverimg, width/2, height/2);
	  text(player.score, 480, 275);
	  if (mousePressed == true && (mouseButton == RIGHT)) {
	    restart();
	    state = 1;
	  }
	}
	void win() {
	  background(0, 0, 0);
	  for (int i = 0; i < star.size(); i++) {
	    star.get(i).update();
	  }
	  sky = new Sky(new PVector(random(height), random(width)));
	  if (frameCount %30 == 0 &&star.size()<20) {
	    star.add(sky);
	  }
	  image(finalscreenimg, width/2, height/2);
	  winner.play();
	  text("score: "+player.score, 355, 370);
	   if (mousePressed == true && (mouseButton == RIGHT)) {
	    restart();
	    state = 1;
	  }
	}

	void keyPressed() {
	  //control 
	  if (key == 'w'|| key== 'W') up = true;
	  else if (key=='s' || key== 'S') down = true;
	  else if (key=='a' || key == 'A') back = true;
	  else if (key=='d'|| key== 'D') forward = true;
	  else if (key=='j'|| key=='J')fire = true;
	}
	void keyReleased() {
	  if (key == 'w'|| key== 'W') up = false;
	  else if (key=='s' || key== 'S') down = false;
	  else if (key=='a' || key == 'A') back = false;
	  else if (key=='d'|| key== 'D') forward = false; 
	  else if (key=='j'|| key=='J')fire = false;
	}
	void getScore() {
	  //display the score in the screen
	  text("Score: " + player.score, 650, 40);
	}
	void bloodBar() {
	  int bloodBarWidth = 200;
	  pushMatrix();
	  fill(0, 40);
	  translate(40, 20);
	  rect(0, 0, bloodBarWidth, 20); //container for health
	  fill(255, 0, 0, 255);
	  text("HP: ",-25,20);
	  rect(0, 0, bloodBarWidth * player.bloodPercentage, 20); //health bar
	  popMatrix();
	}
}