Scenarios.dat

Scenario.dat is found at the folder common/data/ of Grand Theft Auto IV's path. This file can be opened with any text editor. This file appears to contain all the actions that happens ramdonly in the city, such as Police's checking random vehicles, people fixing their vehicles or security guards on club's doors.

Structure
The scenario file is divided in two sections: Seated scenarios and vehicle scenarios, vehicle scenarios need to be spawned with vehicles. They all have the same structure: ScenarioName Argument1 Argument2...


 * Scenarioname
 * unique scenario name (for example: Seat_InternetCafe)


 * StartEnd(time1, time2)
 * scenario will only be spawned between these times


 * Prob(prob)
 * Probability between 0 and 1 that this scenario is spawned each time the point is evaluated


 * Task(task)
 * the task that will be run with this scenario, can be of:


 * MaxInRange( maxNo, range )
 * will limit the number of peds in this scenario to maxno within range metres, so if range were 10, even if 100 points were within a 10m radius only Maxno would spawn


 * Offset(x,y,z)
 * additional offset for specific seating anims that differ from the placement node (steps and walls)


 * WillAttractPeds
 * scenario will attract new wandering peds to use it, as well as generating peds there


 * TimeTillPedLeaves(time)
 * the ped will leave the scenario after the time specified


 * SetSpecificPopcycleGroup(group)
 * scenario will only spawn models contained in a group on popcycle.dat


 * ForceModelLoad
 * scenario will force load the model if its not already loaded (to a maximum of 2 simultaneously loaded models)


 * BlockModel
 * Block a specific model from using the scenario, allowed up to 8

Example
Seat_HospitalWaiting			StartEnd(8, 18)		Task(Seated) BlockModel(F_M_Business_02) BlockModel(F_M_Business_01)

Filename, starts at 8 AM, ends at 18 PM, Task is seated, blockmodels to F_M_Business_02 and F_M_Business_01