Track Events When Players Stand Still

# Copyright (c) 2023 Floyd Splevans
# Licensed under the MIT License. See https://opensource.org/licenses/MIT for details.

using { /Fortnite.com/Devices }
using { /Fortnite.com/Characters }
using { /Verse.org/Simulation }
using { /UnrealEngine.com/Temporary/Diagnostics }
using { /UnrealEngine.com/Temporary/SpatialMath }


# This maximum amount of distance travelled between an update which will trigger a stand still event
StandStillMovePerSecondThreshold: float = 0.01

# Update 3 times per second, enough to detect standing still
PlayerStandStillUpdateFrequency: float = 0.333


# This class contains everything needed for tracking a given player
player_standstill_tracker := class():

    # Keep a reference to the agent of this player
    Agent: agent

    # Keep a reference to the agent of this player
    Character: fort_character

    # Fires when player stands still
    StandStillEvent: event() = event(){}

    # Fires when player stops standing still
    StopStandingStillEvent: event() = event(){}

    # Player transform this simulation update
    var CurrentTranslation: vector3 = vector3{}

    # Toggles when player stand-stills are detected
    var PlayerIsStandingStill<private>: logic = true