The directory OBJ_MTL contains the OBJ with MTL and TGA files.Including the Collision Mesh
The directory SOURCEENGINE contains the compiles valve object.The model is compiled using HL2DM. It could be used in anyother game, based on HL2DM engine and up.
Copy the materials and models into your gaming folder. ie:
<STEAM>\SteamApps\common\Half-Life 2 Deathmatch\hl2mp
All models named jar1 followed by single character a to g
e.g. jar1b or jar1g
All jars are in mlp folder
This model does contain a collision mesh and can be usedin game as well