protected override void OnRenderFrame(FrameEventArgs e)
{
base.OnRenderFrame(e);
// limpar o buffer de cor do openGL
GL.Clear(ClearBufferMask.ColorBufferBit);
// encapsular a renderização de objetos para permitir efeitos de pós-processamento
PostProcessor.BeginRender();
//renderizar o background
Renderer.DrawTexture(ResourceManager.GetTex("breakout_bg"), Vector2.Zero, new Vector2(Width, Height), 0, Vector3.One);
// desenhar os "tijolos"
Levels[Level].Draw(Renderer);
//desenhar o jogador
Player.Draw(Renderer);
//desenhar as partículas de rastro
ParticleGenerator.Draw();
//desenhar todas as bolas
Balls.ForEach(ball => ball.Draw(Renderer));
//desenhar os powerups
PowerUps.ForEach(p =>
{
if (!p.Destroyed)
{
p.Draw(Renderer);
}
});
PostProcessor.EndRender();
// aplicar efeitos de pós-processamento
PostProcessor.Render((float)e.Time);
// renderizar textos informativos na tela, dependendo do estado do jogo.
// textos não devem passar pelos efeitos de pós processamento
// suporte a acentuação não foi implementado
if (State == GameState.Active || State == GameState.Paused)
{
TextRenderer.RenderText($"Vidas: {Lives}", 5, 5, 1);
TextRenderer.RenderText("Efeitos:", 15, Height - 75, .95f);
// instrução de pressionar espaço só deve ser exibida até que o jogador pressione espaço
if (drawInstruction)
{
TextRenderer.RenderText("Pressione espaco", (Width / 2) - 120f, (Height / 2) + 80f, 1);
}
// desenhar os powerups que estão ativos no momento
for (int i = 0; i < PowerUps.Count; i++)
{
if (PowerUps[i].Active)
{
Renderer.DrawTexture(PowerUps[i].Sprite, new Vector2(30 + (i * PowerUps[i].Size.X), Height - (1.1f * PowerUps[i].Size.Y)), PowerUps[i].Size / 1.25f, 0, Color.DeepPink.ToVector3());
}
}
}
if (State == GameState.Menu)
{
TextRenderer.RenderText("Pressione ENTER para iniciar", (Width / 2f) - 200, (Height / 2f) + 20f, 1);
TextRenderer.RenderText("Pressione W ou S para selecionar a fase", (Width / 2f) - 225f, (Height / 2f) + 50f, .8f);
TextRenderer.RenderText("Pressione I para INFO", (Width / 2f) - 95f, (Height / 2f) + 80f, .6f);
TextRenderer.RenderText($"Dificuldade: {Difficulty.Name}", (Width / 2) - 110, Height * .7f, .8f);
// tela informativa com instruções sobre como jogar
if (showInfo)
{
Renderer.DrawTexture(Overlay, Vector2.Zero, new Vector2(Width, Height), 0, Color.DarkSlateGray.ToVector4(.8f));
TextRenderer.RenderText("INFO", (Width / 2) - 75, 16, 2);
TextRenderer.RenderText("Bem vindo ao TIJOLATOR!", 15, 16 * 5, .8f);
TextRenderer.RenderText("Para mudar a dificuldade, pressione [1], [2] ou [3]", 15, 16 * 7.5f, .8f);
TextRenderer.RenderText("O mouse movimenta a barra de acordo com sua posicao", 15, 16 * 9.5f, .8f);
TextRenderer.RenderText("relativa ao centro da tela, sendo que quanto mais", 15, 16 * 11, .8f);
TextRenderer.RenderText("perto da borda, mais velocidade naquela direcao a", 15, 16 * 12.5f, .8f);
TextRenderer.RenderText("barra tem", 15, 16 * 14, .8f);
TextRenderer.RenderText("O botao da esquerda pausa, e o da direita imprime ", 15, 16 * 17, .8f);
TextRenderer.RenderText("informacoes tecnicas.", 15, 16 * 18.5f, .8f);
TextRenderer.RenderText("Quando a bola grudar na barra,", 15, 16 * 20.5f, .8f);
TextRenderer.RenderText("aperte espaco para solta-la", 15, 16 * 22, .8f);
TextRenderer.RenderText("Por fim:", 15, 16 * 25, .8f);
TextRenderer.RenderText("LET'S TIJOLATE!", (Width / 2) - 170, 16 * 32, 1.5f);
}
}
if (State == GameState.Win)
{
TextRenderer.RenderText("Venceste!!!", (Width / 2f) - 75f, (Height / 2f) + 280f, 1f, new Vector3(0f, 1f, 0f));
}
if (State == GameState.Lost)
{
TextRenderer.RenderText("Perdeste! :(", (Width / 2f) - 75f, (Height / 2f) - 100f, 1f, new Vector3(1f, 0f, 0f));
TextRenderer.RenderText("Pressione R para voltar ao menu", (Width / 2f) - 225f, (Height / 2f) - 70f, 1f, Vector3.Zero);
}
if (State != GameState.Menu)
{
TextRenderer.RenderText($"Score: {score}", Width - 150, 5, 1, State == GameState.Lost ? Vector3.Zero : Vector3.One);
}
// condição de vitória
if (State == GameState.Active && Levels[Level].IsCompleted())
{
Levels[Level].Reload(Width, Height / 2);
PostProcessor.Confuse = false;
PostProcessor.Chaos = true;
State = GameState.Win;
}
// pause decorrente do botão direito do mouse
if (shouldPause)
{
State = GameState.Paused;
shouldPause = false;
LogInfo();
}
if (State == GameState.Paused)
{
Renderer.DrawTexture(Overlay, Vector2.Zero, new Vector2(Width, Height), 0, Color.DarkSlateGray.ToVector4(.4f));
TextRenderer.RenderText("PAUSE", (Width / 2f) - 75, Height / 2f, 2);
for (int line = 0; line < lines.Length; line++)
{
var height = line * TextRenderer.Characters['T'].Size.Y;
bool secondColumn = height > Width - 15;
TextRenderer.RenderText(lines[line], 5 + (secondColumn ? Width / 2 : 0), 5 + (secondColumn ? height - Height + 75 : height), .55f, Color.Yellow.ToVector3());
}
}
Context.SwapBuffers();
}
//Método responsável por inicializar todos os recursos utilizados no jogo
public void Init()
{
// carregar sons
var bgm = ResourceManager.LoadSound("resources/bgm.mp3", "bgm", true);
SoundEngine.Instance.PlaySound(bgm);
ResourceManager.LoadSound("resources/bleep.wav", "bleepPaddle");
ResourceManager.LoadSound("resources/powerup.wav", "powerup");
ResourceManager.LoadSound("resources/solid.wav", "solid");
ResourceManager.LoadSound("resources/bleep.mp3", "bleepBrick");
//carregar shaders
ResourceManager.LoadShader("shaders/sprite.vert", "shaders/sprite.frag", "sprite");
ResourceManager.LoadShader("shaders/particle.vert", "shaders/particle.frag", "particle");
ResourceManager.LoadShader("shaders/postProcessing.vert", "shaders/postProcessing.frag", "postProcessing");
//instanciar a matriz de projeção ortogonal
var projection = Matrix4.CreateOrthographicOffCenter(0, Width, Height, 0, -1, 1);
// instanciar o renderizador padrão de texturas
var spriteshader = ResourceManager.GetShader("sprite");
var particleshader = ResourceManager.GetShader("particle");
spriteshader.SetInteger("image", 0, true);
spriteshader.SetMatrix4("projection", projection, true);
particleshader.SetInteger("sprite", 0, true);
particleshader.SetMatrix4("projection", projection, true);
Renderer = new Renderer2D(spriteshader);
// carregar as texturas do jogo
ResourceManager.LoadTexture("resources/ball.png", "ball");
ResourceManager.LoadTexture("resources/paddle.png", "paddle");
ResourceManager.LoadTexture("resources/block.png", "block", false);
ResourceManager.LoadTexture("resources/block_solid.png", "block_solid", false);
ResourceManager.LoadTexture("resources/background.jpg", "breakout_bg", false);
ResourceManager.LoadTexture("resources/particle.png", "particle");
ResourceManager.LoadTexture("resources/speed.png", "speed");
ResourceManager.LoadTexture("resources/meteor.png", "comet");
ResourceManager.LoadTexture("resources/width.png", "padIncrease");
ResourceManager.LoadTexture("resources/shrink.png", "padDecrease");
ResourceManager.LoadTexture("resources/multiply.png", "multiply");
ResourceManager.LoadTexture("resources/sticky.png", "sticky");
ResourceManager.LoadTexture("resources/confuse.png", "confuse");
ResourceManager.LoadTexture("resources/skull.png", "chaos");
//carregar os níveis disponíveis no jogo
GameLevel one = new GameLevel();
one.Load("levels/one.lvl", Width, Height / 2);
GameLevel two = new GameLevel();
two.Load("levels/two.lvl", Width, Height / 2);
GameLevel three = new GameLevel();
three.Load("levels/three.lvl", Width, Height / 2);
GameLevel four = new GameLevel();
four.Load("levels/four.lvl", Width, Height / 2);
GameLevel five = new GameLevel();
five.Load("levels/five.lvl", Width, Height / 2);
GameLevel six = new GameLevel();
six.Load("levels/six.lvl", Width, Height / 2);
Levels.Add(one);
Levels.Add(two);
Levels.Add(three);
Levels.Add(four);
Levels.Add(five);
Levels.Add(six);
Level = 4;
// instanciar jogador
const float offset = 84f;
Vector2 playerStartPos = new Vector2((Width / 2) - (PLAYER_SIZE.X / 2), Height - PLAYER_SIZE.Y - offset);
Player = new GameObject(playerStartPos, PLAYER_SIZE, ResourceManager.GetTex("paddle"));
// instanciar bola
Vector2 ballStartPos = playerStartPos + new Vector2((Player.Size.X / 2f) - BALL_RADIUS, -BALL_RADIUS * 2f);
Ball = new BallObject(ballStartPos, BALL_RADIUS, ResourceManager.GetTex("ball"), Color.Pink.ToVector3(), velocity: new Vector2(GetRandomBallSpeed(), Difficulty.BallUpSpeed));
Balls.Add(Ball);
// instanciar gerador de partículas para efeito de "rastro"
ParticleGenerator = new ParticleGenerator(ResourceManager.GetShader("particle"), ResourceManager.GetTex("particle"), 500);
// instanciar classe responsável pelos efeitos de pós-processamento
PostProcessor = new PostProcessor(ResourceManager.GetShader("postProcessing"), Width, Height);
// iniciar renderizador de texto
TextRenderer = new TextRenderer(Width, Height);
TextRenderer.Load("fonts/ocraext.TTF", 24);
// iniciar overlay para tela de "pause"
Overlay = new Texture2D();
Overlay.Generate(Width, Height, IntPtr.Zero);
// setar a posição inicial do mouse para o meio da tela
var point = PointToScreen(new Point(Width / 2, Height / 2));
Mouse.SetPosition(point.X, point.Y);
// estado inicial do jogo deve ser o menu
State = GameState.Menu;
}