addHook("AbilitySpecial", function(p)
    if not (p and p.mo and p.mo.valid) then return end
    if p.mo.skin ~= "sonic" then return end -- change with your own character
    if p.pflags & PF_THOKKED then return true end
    
    local currentSpeed = R_PointToDist2(0, 0, p.mo.momx, p.mo.momy)
    local boost = FixedMul(currentSpeed, FRACUNIT/2) + (5 * FRACUNIT) -- speed related stuff
    
    P_Thrust(p.mo, p.mo.angle, boost)
    P_SetObjectMomZ(p.mo, 8 * FRACUNIT, true) -- the main boost
    
    if currentSpeed > 50 * FRACUNIT then
        p.mo.momz = $ + (6 * FRACUNIT)
        S_StartSound(p.mo, sfx_zoom)
        p.thok_trail_active = 60
        p.charflags = $ | SF_CANBUSTWALLS
    end -- buffs for reaching 50 speed, you can change this to a different number

    local th = P_SpawnMobj(p.mo.x, p.mo.y, p.mo.z + (p.mo.height / 2), MT_THOK)
    if th and th.valid then
        th.angle = p.mo.angle
        th.target = p.mo
        th.color = p.mo.color
        th.scale = p.mo.scale
    end -- thok sprite stuff

    p.pflags = $ | PF_THOKKED
    S_StartSound(p.mo, sfx_thok)
    
    return true
end)

-- main buffs code
addHook("PlayerThink", function(p)
    if not (p and p.mo and p.mo.valid) then return end
    if p.mo.skin ~= "sonic" then return end
    
    if P_IsObjectOnGround(p.mo) and p.thok_trail_active and p.thok_trail_active > 0 then
        p.thok_trail_active = 0
        p.charflags = $ & ~SF_CANBUSTWALLS
    end
    
    if p.thok_trail_active and p.thok_trail_active > 0 then
        p.thok_trail_active = $ - 1
        
        if leveltime % 2 == 0 then
            local ghost = P_SpawnGhostMobj(p.mo)
            if ghost and ghost.valid then
                ghost.color = (leveltime % 4 == 0) and SKINCOLOR_CORNFLOWER or SKINCOLOR_ARCTIC
                ghost.colorized = true
                ghost.scale = p.mo.scale
                ghost.destscale = p.mo.scale
                ghost.scalespeed = FRACUNIT / 10
            end
        end
        
        if p.thok_trail_active == 0 then
            p.charflags = $ & ~SF_CANBUSTWALLS
        end
    else
        p.thok_trail_active = 0
    end
end)