Working Scope Overlays in HL2To add a working scope to any weapon in HL2 is relatively simple.
You'll need a scope texture to use. This is GameBanana, so you should be able to find one laying around if you look hard enough.
Open up the weapon of choice, such as
weapon_crossbow, and scroll to the
texturedatablock. In this table, you'll find several entries such as
weapon_s, etc. You can find detailed descriptions of what each of these mean on the Valve Developer Community page. The parts we're looking to change or add are called
Breaking it Down
zoomis called when the
toggle_zoomcommands are used.
zoom_autoaimis a slight variation used when the crosshair is over a target. This could be used to make a different overlay appear when a target is marked.
The following is an example of how to add a proper scope overlay to the weapon.
// Texture path; relative to root/materials/
// X & Y-position on the screen
// The width & height of the texture; preferably match the VTF size
fileline can be used to choose the texture to display. The
yare used to set the translation,
This can be added to any of the native weapons in HL2, as they all share the same form fields as far as
texturedatais concerned for the scope of this tutorial. If you want a working example to shamelessly edit & break apart for experimentation, you might try my release of the scoped Crossbows using this very method.