So I've looked around to see if it is possible to add custom models trough Hammer/Jackhammer, one guide showed how to spawn the model by writing code so that the model can be its own entity. However I am using Opposing Force and the SDK isn't available so modifying game code isn't an option.
Then I found out about the "Cycler" feature, which lets me point to a model and add it to the map, however the model spawns with a huge collision box which isn't helpful if I want to add tiny details like gibs for instance because the player would constantly get stuck on them. The Cycler shows that I can import custom models however, is there a way to import them in the map but without the collision box?
Right now the only way I can think of doing this is by using the dead hgrunt entity because it doesn't have a collision, I can probably use bodygroups to change the way the model looks, however since I want to change the appearance of the model completely each time, it would mean that instead of doing a bodygroup for something simple like the head, I'd have to bodygroup every single model which will probably make the size of the model skyrocket.
As far as I remember, when playing the original campaign I used to see tiny details like skulls, skeletons and gibs lying around the ground and I could walk over them easilly. However I can't find a way to spawn even those standard models, there must be a way other than the cycler.