private Block CreateBlock(XElement node)
{
Block newBlock = new Block();
newBlock.WorldPosition = new Vector2((float)node.Attribute("x"), (float)node.Attribute("y"));
newBlock.Texture = TextureManager.Textures[node.Attribute("texture").Value];
return newBlock;
}
private void HandleBlockCollision(Block collidingBlock)
{
if (collidingBlock is ObstructionBlock) { HandleObstructionBlockCollision((ObstructionBlock)collidingBlock); }
else if (collidingBlock is SmashBlock) { HandleSmashBlockCollision((SmashBlock)collidingBlock); }
else { HandleSolidBlockCollision(collidingBlock); }
}
private void HandleSolidBlockCollision(Block collidingBlock)
{
_hasLandedOnBlock = true;
_isSmashingSmashBlocks = false;
if (collidingBlock.HasBeenLandedOnSquarely(WorldPosition))
{
_motionEngine.PlayerIsOnGround = true;
_didNotLandSafely = false;
if (_motionEngine.Delta.Y > 0)
{
WorldPosition -= new Vector2(0.0f, WorldPosition.Y - (collidingBlock.TopSurfaceY - Body_Collision_Radius));
bool specialBlock = false;
SpringBlock launcher = collidingBlock as SpringBlock;
if (launcher != null) { HandleSpringBlockLaunch(launcher); specialBlock = true; }
if (!specialBlock)
{
IceBlock ice = collidingBlock as IceBlock;
if (ice != null) { HandleIceBlockImpact(); specialBlock = true; }
}
if (!specialBlock)
{
BombBlock bomb = collidingBlock as BombBlock;
if (bomb != null) { HandleBombBlockImpact(bomb); }
}
}
}
else if ((CornerHasBeenClipped(collidingBlock.LeftSurfaceX, collidingBlock.TopSurfaceY)) ||
(CornerHasBeenClipped(collidingBlock.RightSurfaceX, collidingBlock.TopSurfaceY)))
{
_hasLandedOnBlock = false;
}
else if ((FacingAwayFromBlock(collidingBlock)) && (WorldPosition.Y < collidingBlock.WorldPosition.Y))
{
if (Math.Abs(WorldPosition.X - (collidingBlock.WorldPosition.X + (collidingBlock.CollisionBoundingBox.Width / 2.0f))) < Rear_Edge_Clip_Tolerance)
{
_motionEngine.PlayerIsOnGround = true;
}
_didNotLandSafely = false;
}
}
private bool FacingAwayFromBlock(Block collidingBlock)
{
if ((_motionEngine.IsMovingLeft) && (WorldPosition.X < collidingBlock.WorldPosition.X)) { return true; }
if ((!_motionEngine.IsMovingLeft) && (WorldPosition.X > collidingBlock.WorldPosition.X)) { return true; }
return false;
}
