Terraria.World.Generation.Shapes.Rectangle.Perform C# (CSharp) Method

            public override bool Perform(Point origin, GenAction action)
            {
                for (int x = origin.X; x < origin.X + this._width; ++x)
                {
                    for (int y = origin.Y; y < origin.Y + this._height; ++y)
                    {
                        if (!this.UnitApply(action, origin, x, y) && this._quitOnFail)
                            return false;
                    }
                }
                return true;
            }
        }