//Main update method
public override void Update(Level currentLevel, GameTime gameTime)
{
if (!alive)
return;
Move(MovementDirection, 0.3f);
Vector2 lastPosition = Position;
Position += new Vector2(velocity.X, 0);
velocity.X *= 0.75f;
var gobj = IntersectsWithAny(currentLevel.GameObjects);
if (gobj != null && gobj.solid)
{
Position = lastPosition;
HitWall();
}
base.Update(currentLevel, gameTime);
}
//add gravity to the velocity vector then check for
//collision and move the piece in the vertical axis
public void ApplyGravity(Level level)
{
if (alive)
{
Vector2 originalPosition = Position;
velocity.Y += 0.3f;
Vector2 verticalVelocity = new Vector2(0, velocity.Y);
Position += verticalVelocity;
GameObject iobj = IntersectsWithAny(level.GameObjects);
if (iobj != null)
{
Position = originalPosition;
//object is below this
if (iobj.Position.Y > Position.Y)
ReachedBottom(); //stop falling
}
}
}
//Main update method
public override void Update(Level currentLevel, GameTime gameTime)
{
ApplyGravity(currentLevel);
if (Position.Y > Game1.ScreenHeight)
{
//below visible screen
Die(true);
}
base.Update(currentLevel, gameTime);
}
//Main update method
public override void Update(Level currentLevel, GameTime gameTime)
{
if (!alive)
return;
Vector2 lastPosition = Position;
//moving X position
Position = new Vector2(Position.X + velocity.X, Position.Y);
var gobj = IntersectsWithAny(currentLevel.GameObjects);
if (gobj != null && gobj.solid)
Position = lastPosition;
velocity.X *= 0.75f;
lastPosition = Position;
//moving Y position
Position = new Vector2(Position.X, Position.Y + velocity.Y);
gobj = IntersectsWithAny(currentLevel.GameObjects);
if (gobj != null)
{
if (gobj.Type == ObjectType.ItemBox && velocity.Y < 0)
{
ItemBox ibox = (ItemBox)gobj;
if (Position.Y >= (ibox.Position.Y + ibox.Height - 5))
if ((Position.X + Width/2 > ibox.Position.X) && (Position.X + Width/2 < ibox.Position.X + ibox.Width))
if (!ibox.hit)
ibox.Hit();
}
else if (gobj.Type == ObjectType.Item)
{
Item I = (Item)gobj;
switch (I.ItemIndex)
{
case 0: status = Status.Big;
break;
case 1: previousStatus = status;
status = Status.Invincible;
break;
}
I.alive = false;
}
if (gobj.solid)
{
Position = lastPosition;
}
if (!canJump)
{
velocity.Y = 0;
if (Position.Y < gobj.Position.Y)
canJump = true;
}
}
else
{
canJump = false;
}
//increment the hurt timer
//So the player doesn't die right away even when big
if (hurt)
hurtTimer++;
if (hurtTimer > hurtTime)
{
hurt = false;
hurtTimer = 0;
}
//increment the invincible timer
if (status == Status.Invincible)
invincibleTimer++;
if (invincibleTimer > invincibleTime)
{
status = previousStatus;
invincibleTimer = 0;
}
base.Update(currentLevel, gameTime);
}
//checks if the player is at the designated finish position
public bool LevelComplete(Level currentLevel)
{
if (SpriteBounds.Intersects(currentLevel.FinishZone))
return true;
return false;
}
public override void Update(Level currentLevel)
{
if (!alive)
return;
Vector2 lastPosition = Position;
Position = new Vector2(Position.X + velocity.X, Position.Y);
if (IntersectsWithAny(currentLevel.GameObjects) != null)
Position = lastPosition;
velocity.X *= 0.75f;
lastPosition = Position;
Position = new Vector2(Position.X, Position.Y + velocity.Y);
var gobj = IntersectsWithAny(currentLevel.GameObjects);
if (gobj != null)
{
Position = lastPosition;
if (!canJump)
{
velocity.Y = 0;
if (Position.Y < gobj.Position.Y)
canJump = true;
}
}
ApplyGravity(currentLevel);
if (Position.Y > Game1.ScreenHeight)
{
//below visible screen
Die();
}
}
public virtual void Update(Level currentLevel)
{
}
private void LoadLevel(string levelname)
{
currentLevel = LoadLevelFromFile(levelname);
currentLevel.Name = levelname;
player = new Player(currentLevel.StartPosition, new Vector2(0, 0), playerTexture);
currentLevel.GameObjects.Add(player);
camera.LockToObject(player);
}
internal Level LoadLevelFromFile(string filename)
{
var level = new Level();
using (var sr = new StreamReader(filename))
{
while (!sr.EndOfStream)
{
string s = sr.ReadLine();
if (s != null && (s.StartsWith("//") || s == ""))
continue;
if (s != null)
{
string[] split = s.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries);
if (split[2] == "startzone")
{
Vector2 sp = new Vector2(float.Parse(split[0]), float.Parse(split[1]));
level.StartPosition = sp;
}
else if (split[2] == "finishzone")
{
Vector2 fp = new Vector2(float.Parse(split[0]), float.Parse(split[1]));
level.FinishZone = new Rectangle((int)fp.X, (int)fp.Y, 32, 32);
}
else if (split[2] == "enemy")
{
Texture2D sprite = enemyTexture;
Enemy enemy = new Enemy(new Vector2(float.Parse(split[0]), float.Parse(split[1])), Vector2.Zero,
sprite);
level.GameObjects.Add(enemy);
}
else
{
var sprite = Content.Load<Texture2D>("objects/" + split[2]);
sprite.Name = split[2];
var gameObj = new GameObject(
new Vector2(float.Parse(split[0]), float.Parse(split[1])),
new Vector2(0, 0), sprite, GameObject.ObjectType.Block);
level.GameObjects.Add(gameObj);
}
}
}
}
return level;
//first line = X
//second line = Y
//third line = spritename
}
//parse the .txt file and create a new Level object that contains all of the objects and positions
//of the new level. returns the new Level object.
internal Level LoadLevelFromFile(string filename)
{
var level = new Level();
using (var sr = new StreamReader(filename))
{
while (!sr.EndOfStream)
{
string s = sr.ReadLine();
if (s != null && (s.StartsWith("//") || s == ""))
continue;
if (s != null)
{
string[] split = s.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries);
if (split[2] == "startzone")
{
Vector2 sp = new Vector2(float.Parse(split[0]), float.Parse(split[1]));
level.StartPosition = sp;
}
else if (split[2] == "finishzone")
{
Vector2 fp = new Vector2(float.Parse(split[0]), float.Parse(split[1]));
level.FinishZone = new Rectangle((int)fp.X, (int)fp.Y, 32, 32);
}
else if (split[2] == "enemy")
{
Texture2D sprite = enemyTexture;
Enemy enemy = new Enemy(new Vector2(float.Parse(split[0]), float.Parse(split[1])), Vector2.Zero,
sprite);
level.GameObjects.Add(enemy);
}
else if (split[2] == "itembox")
{
Texture2D sprite1 = Content.Load<Texture2D>("objects/itembox");
Texture2D sprite2 = Content.Load<Texture2D>("objects/itembox_hit");
Item newItem = new Item(new Vector2(float.Parse(split[4]),
float.Parse(split[5])),
ItemTextures[int.Parse(split[3])],
int.Parse(split[3]));
newItem.alive = false;
ItemBox itemBoxObj = new ItemBox(new Vector2(float.Parse(split[0]),
float.Parse(split[1])),
Vector2.Zero,
sprite1,
sprite2,
GameObject.ObjectType.ItemBox,
newItem);
level.GameObjects.Add(itemBoxObj);
level.GameObjects.Add(newItem);
}
else
{
Texture2D sprite = Content.Load<Texture2D>("objects/" + split[2]);
GameObject gameObj = new GameObject(
new Vector2(float.Parse(split[0]), float.Parse(split[1])),
Vector2.Zero, sprite, GameObject.ObjectType.Block);
level.GameObjects.Add(gameObj);
}
}
}
}
return level;
}
//To be overriden by child classes
public virtual void Update(Level currentLevel, GameTime gameTime)
{
}
