proper vehicle thirdperson / no props

---------------------------------------------------------------------
-- This script overrides garry's vehicle thirdperson view function
-- so that props do not obstruct the camera
--
-- Place in lua/autorun/
-- fuck the police
---------------------------------------------------------------------

--if SERVER then AddCSLuaFile() return end

timer.Simple( 1, function()
    function GAMEMODE:CalcVehicleView( Vehicle, ply, view )

        if Vehicle.GetThirdPersonMode == nil then return end

        -- If we're not in third person mode - then get outa here stalker
        if not Vehicle:GetThirdPersonMode() then return view end

        local mn, mx = Vehicle:GetRenderBounds()
        local radius = (mn - mx):Length()
        local radius = radius + radius * Vehicle:GetCameraDistance()

        -- Trace back from the original eye position, so we don't clip through walls/objects
        local TargetOrigin = view.origin + ( view.angles:Forward() * -radius )
        local WallOffset = 4

        local tr = util.TraceHull( {
            start   = view.origin,
            endpos  = TargetOrigin,
            filter  = Vehicle,
            mins    = Vector( -WallOffset, -WallOffset, -WallOffset ),
            maxs    = Vector( WallOffset, WallOffset, WallOffset ),
            mask    = MASK_NPCWORLDSTATIC
        } )

        view.origin         = tr.HitPos
        view.drawviewer     = true

        -- If the trace hit something, put the camera there.
        if tr.Hit and not tr.StartSolid then
            view.origin = view.origin + tr.HitNormal * WallOffset
        end

        return view

    end
end )