+seta hud_damage 1 "an improved version of gl_polyblend, draw an image instead when hurt"
+seta hud_damage_color "1 0 0" "color of flash"
+seta hud_damage_factor 0.05 "(damage * factor) = how much to add to the alpha value"
+seta hud_damage_fade_rate 1 "how much to subtract from the alpha value each second"
+seta hud_damage_maxalpha 2 "how much to limit the alpha value to"
+seta hud_damage_pain_treshold 0.1 "how much alpha to ignore (must be bigger than the hud_damage_factor so that e.g. rot is ignored)"
+seta hud_damage_pain_treshold_lower 1 "how much we lower pain_treshold with when nearing 0 health (if pain_treshold gets negative then we always draw a flash at alpha = fabs(pain_treshold)"
+seta hud_damage_pain_treshold_lower_health 50 "at which health we start lowering pain_treshold"
+seta hud_damage_pain_treshold_pulsating_min 0.6 "minimum value when calculating the pulse: max(pulsating_min, fabs(sin(PI * time / period))"
+seta hud_damage_pain_treshold_pulsating_period 0.8 "one pulse every X seconds"
+