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Grenade Detonation - Shootable HL2 Grenades

Another addon made out of boredom and pointless interest.

What does it do?

Grenade Detonation adds several features, the most important being the ability to shoot HL2 grenades.

Normally, grenades thrown by players and NPCs have no hitbox, thus making it impossible to shoot them. What this addon does is it creates an invisible object around the grenade, which acts as a hitbox for the grenade. This now includes SMG1 grenades.

Grenade Detonation
Dealing enough damage (can be changed via settings) to the grenade causes it to detonate, creating an explosion and dealing damage. The radius and damage of this explosion can be changed. Detonation can be induced by bullet, explosive, or all damage types, depending on your settings.

Grenade Arming
A secondary feature is the ability to arm inactive grenades. Grenade pickups (the ones that give you ammo) that are shot can be either armed or straight up detonated, depending on the amount of damage dealt (can be changed via settings)

Grenades that become armed act the same as thrown grenades, and can also be detonated by damage.

Combine/Player Grenade Dropping
A third feature is the ability for NPCs (Combine Soldiers) to drop live grenades when shot in the chest/stomach region. This is to mimic the idea of shooting a grenade off a combine. This can also be disabled in the settings menu.

This feature also works for players, with separate settings specific to players.

Each feature also has a chance setting, which allows for a degree of randomness.

Physical Grenade Carrying
NPCs and players will carry a physical grenade on their model. This grenade will follow the settings and logic of the base addon. Enable it in the settings menu.

This feature functions separately from the hitbox-based dropping, and can be enabled/disabled alongside it.

There is now a blacklist system that allows for certain models to be exempt from the physical grenade system.

Hitbox Settings
In the hitbox settings menu, the player can choose the type of hitbox the grenades should have. It should be noted that this hitbox is not applied to inactive grenades, only the live (i.e. thrown) kind have it.

There is also a test object, which the player can use to preview the hitbox of the model that will be used. The test object can be shot to indicate whether the damage dealt would arm or detonate the grenade:

Green is the default state. If the color does not change, it means the damage was not enough to arm/detonate.

Yellow indicates that the damage would arm an inactive grenade.

Red indicates that the damage was high enough to instantly detonate the grenade.