[Robot Destruction] Make the robot models changeable by mappers

[salut-c-leo]

Description

Currently, tf_robot_destruction_robot_spawn lets you choose between three models of robots in Hammer, hardcoded in tf_robot_destruction_robot.cpp. This limits mappers wanting to make a rd_ map to models Valve made and to the specific artstyle of Asteroid. This feature request suggests to make models not hardcoded and making a model entry line in the Hammer Object Properties window of tf_robot_destruction_robot_spawn.

Checklist

• None of the open or closed issues document this idea.
• This is a new idea, not a bug.
• This idea does not seriously affect game balance.
• This is obviously an improvement, not something that people commonly disagree on.
• This is not an idea for new game content (e.g. new weapons, maps, sounds).

• This idea is for the code of the game, not for textures, sounds, or other resources.
• This idea has been implemented in vanilla TF2.
• There is proof that this idea is well liked (e.g. a history of use of a similar mod in a competitive league).
• This idea has been implemented in a mod.
• This feature has existed in the vanilla game but was removed.
• This idea is for internal procedures or tooling (e.g. improving the build process, supporting new systems).

Screenshots

Current implementation of the entity

World model, taken from stock HL2 entities, is what could be interesting for mappers

Alternatives

1. I don't see any.