protected override void Initialize()
{
//initialise all texture objects.
Pixel = new Texture2D(this.GraphicsDevice, 1, 1);
PlayerTexture = new Texture2D(this.GraphicsDevice, 32, 32);
EntityTexture = new Texture2D(this.GraphicsDevice, 32, 32);
Grass = new Texture2D(this.GraphicsDevice, Tile.TileSideLengthInPixels, Tile.TileSideLengthInPixels);
HighMtn = new Texture2D(this.GraphicsDevice, Tile.TileSideLengthInPixels, Tile.TileSideLengthInPixels);
LowMtn = new Texture2D(this.GraphicsDevice, Tile.TileSideLengthInPixels, Tile.TileSideLengthInPixels);
Sand = new Texture2D(this.GraphicsDevice, Tile.TileSideLengthInPixels, Tile.TileSideLengthInPixels);
Water = new Texture2D(this.GraphicsDevice, Tile.TileSideLengthInPixels, Tile.TileSideLengthInPixels);
Torch = new Texture2D(this.GraphicsDevice, Tile.TileSideLengthInPixels, Tile.TileSideLengthInPixels);
Pixel.SetData <Color>(new Color[] { Color.White });
//generate all textures using pre written functions. The fucntions take in a seed to generate them.
GenTextures.setEntityTexture(1, ref EntityTexture);
GenTextures.setGrassTexture(18390123, ref Grass);
GenTextures.setStoneTexture(18390123, ref HighMtn);
GenTextures.setStoneTexture(2134, ref LowMtn);
GenTextures.setSandTexture(18390123, ref Sand);
GenTextures.setWaterTexture(12341174, ref Water);
GenTextures.setTorchTexture(45642323, ref Torch);
//Initialize input manager for input
inputManager = new Input();
//initialize screen manager object and add an instance of the main menu
screenManager = new MScreenManager(inputManager);
screenManager.addScreen(new ScreenMainMenu(screenManager, inputManager));
base.Initialize();
}
public override void update(GameTime gameTime, bool hasFocus)
{
//each update the timer for the ocean tile update is increased by the elapsed time between the last update and this one.
OceanTextureUpdateTimer += gameTime.ElapsedGameTime.TotalSeconds;
if (OceanTextureUpdateTimer >= 1) //if the elapsed time is more than one second then generate a new texture for the water tiles and reset the timer
{
GenTextures.setWaterTexture(new Random().Next(), ref Game1.Water);
OceanTextureUpdateTimer = 0f;
}
//if the screen is active
if (state == ScreenState.Active)
{
//handles input. If T is pressed we need to make the GUI to leave the island appear, if escape is pressed then we need to pause the game
if (input.isNewPress(Keys.T))
{
manager.addScreen(new ScreenLeaveIslandDialogue(manager, input, this));
}
if (input.isNewPress(Keys.Escape))
{
manager.addScreen(new ScreenPauseGame(manager, input, this));
}
Island.update(gameTime); //update the Island object where our level is stored.
OverlayAlpha = 0;
}
//when the screen is transitioning on we need to increase the overlay alpha until it is 255 which means that it is completely transparent.
else if (state == ScreenState.TransitionOn)
{
Island.update(gameTime);
FadeTimer += gameTime.ElapsedGameTime.TotalSeconds;
if (FadeTimer <= 2)
{
OverlayAlpha = 255 - (int)(FadeTimer / 2.0 * 255);
}
else
{
FadeTimer = 0;
state = ScreenState.Active;
}
}
//when transitioning off we need to decrease the overlay alpha until it is 0. When it is 0 we need to generate a new island
//and set the screen to transition back on.
else if (state == ScreenState.TransitionOff)
{
OverlayAlpha = (int)(FadeTimer / 2.0 * 255);
FadeTimer += gameTime.ElapsedGameTime.TotalSeconds;
if (FadeTimer >= 2)
{
Island.generate(X, Y);
FadeTimer = 0;
state = ScreenState.TransitionOn;
}
}
}
