######################################################
# NAME: PURE FEEL - Custom FFB by Hugo Vai

# Volume ---------------------------------------------
(raw_volume (blend volume 0.0 2.0))

# Spindle Scales -------------------------------------
(Fx_scale 1.0)
(Fy_scale (* tone 1.0))
(Fz_scale 1.0)
(Mx_scale 1.0)
(My_scale 1.0)
(Mz_scale (* (+ (* tone -1.0) 1.0) 1.0))

# Low Speed Filter Out -------------------------------
(Fx_scale (* Fx_scale (crossover vel_mag 0.0 1.0)))
(Mz_scale (* Mz_scale (crossover vel_mag 0.0 1.0)))

# Spindle Arm ----------------------------------------
(arm_angle 15.0))
(left_scale (linkage 1.00 -1.00))
(right_scale (linkage 1.00 -1.00))

# Rack -----------------------------------------------
(Fx (+ (* left_scale FL_Fx) (* right_scale FR_Fx)))
(Fy (+ (* left_scale FL_Fy) (* right_scale FR_Fy)))
(Fz (+ (* left_scale FL_Fz) (* right_scale FR_Fz)))
(Mx (+ (* left_scale FL_Mx) (* right_scale FR_Mx)))
(My (+ (* left_scale FL_My) (* right_scale FR_My)))
(Mz (+ (* left_scale FL_Mz) (* right_scale FR_Mz)))
(output (+ (* Fx_scale Fx) (* Fy_scale Fy) (* Fz_scale Fz) (* Mx_scale Mx) (* My_scale My) (* Mz_scale Mz) ) )

# Jerk Based Road Feel -------------------------------
(FL_road (* FL_load 1.0))
(FL_road (jerk FL_road))
(FL_road (* FL_road (abs FL_angvel)))

(FR_road (* FR_load 1.0))
(FR_road (jerk FR_road))
(FR_road (* FR_road (abs FR_angvel)))

(FL_brk (* FL_long -1.0))
(FL_brk (jerk FL_brk))
(FL_brk (* FL_brk (abs FL_angvel)))

(FR_brk (* FR_long -1.0))
(FR_brk (jerk FR_brk))
(FR_brk (* FR_brk (abs FR_angvel)))

# Bump -----------------------------------------------
(inv_period (/ 1.0 (+ FL_bump_period 0.001)))
(dphase (* FL_vel_x dt inv_period))
(FL_bump (oscillator dphase))
(FL_bump (scoop FL_bump FL_bump_sharpness 0.0))
(FL_bump (* FL_bump FL_load FL_bump_amplitude FL_angvel))
(FL_bump (split FL_bump 0.0 1.0 0.0 0.4 0.02))

(inv_period (/ 1.0 (+ FR_bump_period 0.001)))
(dphase (* FR_vel_x dt inv_period))
(FR_bump (oscillator dphase))
(FR_bump (scoop FR_bump FR_bump_sharpness 0.0))
(FR_bump (* FR_bump FR_load FR_bump_amplitude FR_angvel))
(FR_bump (split FR_bump 0.0 1.0 0.0 0.4 0.02))

# Scrub ----------------------------------------------
(FL_scrub (soft_clip FL_scrub 1.8 0.0))
(FL_scrub (scoop FL_scrub 0.0 0.0))
(FL_scrub (* FL_scrub (oscillator 0.0)))
(FR_scrub (soft_clip FR_scrub 1.8 0.0))
(FR_scrub (scoop FR_scrub 0.0 0.0))
(FR_scrub (* FR_scrub (oscillator 0.0)))
(RL_scrub (soft_clip RL_scrub 1.8 0.0))
(RL_scrub (scoop RL_scrub 0.0 0.0))
(RL_scrub (hard_clip RL_scrub 0.0))
(RL_scrub (* RL_scrub (oscillator (+ 0.0 (hard_clip (* rear_rotation 0.3) 0.3))) 1.0))
(RR_scrub (soft_clip RR_scrub 1.8 0.0))
(RR_scrub (scoop RR_scrub 0.0 0.0))
(RR_scrub (hard_clip RR_scrub 0.0))
(RR_scrub (* RR_scrub (oscillator (+ 0.0 (hard_clip (* rear_rotation 0.3) 0.3))) 1.0))
(scrub (soft_clip (+ FL_scrub FR_scrub RL_scrub RR_scrub) 0.0 0.0))
(scrub (* scrub (+ (* car_moving 0.2) 0.2)))

# Texture --------------------------------------------
(road_scale (* 0.0001 1.0))
(brk_scale 0.0002)
(bump_scale (* 0.24 1.0))
(scrub_scale (* 16.0 1.0))
(tex_k 20000.0)
(tex_d 1.0)

(FL_tex (+ (* road_scale FL_road) (* brk_scale FL_brk) (* bump_scale FL_bump) (* scrub_scale FL_scrub)))
(FL_tex (split FL_tex 0.0 1.0 1.0 2.0 0.01))
(FL_tex (spring FL_tex tex_k tex_d 0.0))

(FR_tex (+ (* road_scale FR_road) (* brk_scale FR_brk) (* bump_scale FR_bump) (* scrub_scale FR_scrub)))
(FR_tex (split FR_tex 0.0 1.0 1.0 2.0 0.01))
(FR_tex (spring FR_tex tex_k tex_d 0.0))

(tex (+ FL_tex FR_tex))

(tex (soft_clip tex 0.0 0.0))

# SoP - Rear tyre forces -----------------------------
(sop_scale 0.18)
(sop_lat_scale 0.0)
(sop_diff_scale 0.55)

(sop_lat (* (+ RL_lat RR_lat) sop_lat_scale))
(sop_diff (* (- RL_load RR_load) sop_diff_scale))
(sop_diff (smooth sop_diff 0.0))
(sop_out (* (+ sop_lat sop_diff) sop_scale))

(output (+ output sop_out))

#(output (compressor output threshold ratio attack release))	
(output (compressor output (* 0.0) (* 0.0) (* 0.00) (* 0.00)))

#Scoop as pCARS 1 - Scoop Knee / Scoop Reduction#
(output (scoop output 7.5 0.3))

(output (* 4.5 volume output))

# Engine ---------------------------------------------
(engine_vibration 0.0001)
(engine_vibration_while_driving 0.0001)
(cvwd (- 100 (* engine_vibration_while_driving (/ 100 engine_vibration))))
(engine (oscillator (* (* crankshaft 0.015) 0.2152)))
(engine (* (- 1.0 (* (crossover vel_mag 0.4 1.0) (* cvwd 0.01))) engine))
(engine (* (* engine_vibration 0.002) engine))
(output (+ output engine))

# Gearbox --------------------------------------------
(gearbox (oscillator (* (abs (- driveshaft_core clutchshaft_core)) 1.0)))
(gearbox (* gearbox gearbox_grind clutch 0.05))
(gearbox (spring gearbox 40000.0 0.6 1.0))
(gearbox (* gearbox 0.15))

(feel (+ tex gearbox))
(feel (spring feel device_filter_stiffness 0.5 1.5))

(output (+ output (* feel fx)))

# Lock Stops -----------------------------------------
(stops (bumpstop output 0.05 2.0 0.05 0.0))
(output (+ output (* stops device_lock_stop)))

#Deadzone Removal as pCARS 1 - deadzone/fall off
(output (tighten output 0.00 0.00))	

(output (relative output 1.3 0.1 0.95))	

(histogram output)

(output (hard_clip (* output gain) 1.0))