public bool AddBlock(Block block)
{
if (block != null)
{
this.blocks.Add(block);
TileMap.getTileByIndex((int)block.Index.X, (int)block.Index.Y).AddBlock(block);
block.HandleInteraction();
return true;
}
return false;
}
public bool AddBlock(Block block)
{
if (this.block == null)
{
this.block = block;
UpdatePassability();
block.Position = this.position;
return true;
}
return false;
}
private Lizard(Vector2 position)
{
this.tile = TileMap.getTileAtPos(position);
this.isSelected = false;
this.position = position;
pickup = false;
this.path = new List<Tile>();
this.targetTile = tile;
this.nextTile = tile;
Path(targetTile);
this.block = null;
this.rotation = 0f;
}
public Block RemoveBlock()
{
if (this.block == null)
{
return null;
}
Block block = this.block;
this.block = null;
world.RemoveBlock(block);
UpdatePassability();
return block;
}
public void Update(GameTime gameTime)
{
//move through list
if (this.targetTile != null && this.targetTile == this.tile)
{
//hit our target, move on
if (this.path.Count > 1)
{
this.path.Remove(this.targetTile);
this.targetTile = this.path.First();
}
else if ((this.targetTile.position - this.position).Length() < TileMap.TILESIZE)//try to get a block or put one down
{
//todo decide how blocks work here
//if no block, pick up
if (this.block == null && targetTile.block == this.pickupBlock)
{
this.block = targetTile.RemoveBlock();
this.pickupBlock = null;
}
}
if (this.dropTile != null && (this.dropTile.position - this.position).Length() < TileMap.TILESIZE * 2)
{
this.block.Position = dropTile.position;
dropTile.world.AddBlock(this.block);
this.block = null;
this.dropTile = null;
}
}
//if we have somewhere to move
if (targetTile != null && position != targetTile.position + new Vector2(16))
{
//get the direction vector to it
Vector2 dir = targetTile.position - this.position + new Vector2(16);
//clip it to 3 max
if (dir.Length() > 3f)
{
dir.Normalize();
dir *= 3f;
}
//advance
position += dir;
//if we move, rotate to that way
if (dir.Length() > 0.01)
{
this.rotation = angerp(this.rotation,(float)Math.Atan2(dir.Y, dir.X),0.25f);
}
//get the tile at the new position
Tile currTile = TileMap.getTileAtPos(this.position);
if (currTile == this.tile)//if we don't change tiles
{
}
else if(currTile.lizard == null && currTile.block == null)//if we advance onto a free tile
{
this.tile.RemoveLizard(this);
this.tile = currTile;
this.tile.AddLizard(this);
}
else if (currTile.block != null && currTile.block == this.pickupBlock)// if we hit the block to pick up
{
this.block = currTile.RemoveBlock();
this.pickupBlock = null;
this.tile.RemoveLizard(this);
this.tile = currTile;
this.tile.AddLizard(this);
}
else if (currTile.lizard != null || currTile.block != null)//if we collide with a block or lizard
{
//unmove, repath
this.position -= dir;
Tile thing2 = TileMap.getTileAtPos(this.position);
if (!Path(this.path.Last()))
{
Path(thing2);
}
}
}
}
public Block RemoveBlock(Block block)
{
if (block != null)
{
this.blocks.Remove(block);
}
return block;
}
