public override void Process(Entity entity)
{
Entity player = (Entity)BlackBoard.GetEntry("Player");
CollisionBox playerBox = player.GetComponent<CollisionBox>();
Position playerPosition = player.GetComponent<Position>();
Rectangle playerRectangle = new Rectangle(
(int)playerPosition.X + playerBox.OffsetX,
(int)playerPosition.Y + playerBox.OffsetY,
playerBox.Width,
playerBox.Height);
CollisionBox enemyBox = entity.GetComponent<CollisionBox>();
Position enemyPosition = entity.GetComponent<Position>();
Rectangle enemyRectangle = new Rectangle(
(int)enemyPosition.X + enemyBox.OffsetX,
(int)enemyPosition.Y + enemyBox.OffsetY,
enemyBox.Width,
enemyBox.Height);
var type = playerRectangle.GetCollisionType(enemyRectangle);
if (type == CollisionType.None || !entity.HasComponent<Script>()) return;
Script script = entity.GetComponent<Script>();
_scriptManager.QueueScript(script.FilePath, entity, "OnTouch");
}
private void ProcessLevelCollisions(Entity entity)
{
Entity level = _world.EntityManager.GetEntities(Aspect.All(typeof(Map)))[0];
if (level == null) return;
Map map = level.GetComponent<Map>();
CollisionBox box = entity.GetComponent<CollisionBox>();
Position position = entity.GetComponent<Position>();
Rectangle bounds = new Rectangle(
(int)position.X + box.OffsetX,
(int)position.Y + box.OffsetY,
box.Width,
box.Height
);
int leftTile = (int) Math.Floor((float) bounds.Left/TilesetConstants.TileWidth);
int rightTile = (int)Math.Ceiling(((float)bounds.Right / TilesetConstants.TileWidth)) - 1;
int topTile = (int) Math.Floor((float) bounds.Top/TilesetConstants.TileHeight);
int bottomTile = (int) Math.Ceiling(((float) bounds.Bottom/TilesetConstants.TileHeight)) - 1;
for (int y = topTile; y <= bottomTile; ++y)
{
for (int x = leftTile; x <= rightTile; ++x)
{
if (x >= map.Width || x < 0 ||
y >= map.Height || y < 0)
continue;
TileData tile = map.Tiles[x, y];
if (tile != null && tile.IsCollidable)
{
Rectangle tileBounds = new Rectangle(
x * TilesetConstants.TileWidth,
y * TilesetConstants.TileHeight,
TilesetConstants.TileWidth,
TilesetConstants.TileHeight
);
Vector2 depth = bounds.GetIntersectionDepth(tileBounds);
var type = bounds.GetCollisionType(tileBounds);
// Entity's bottom collided with top of tile.
if (type == CollisionType.Top)
{
position.Y += depth.Y;
position.IsOnGround = true;
break;
}
else if (type == CollisionType.Left)
{
}
else if (type == CollisionType.Right)
{
}
else if (type == CollisionType.Bottom)
{
}
}
}
}
}