#define NITROGEN_RETARDATION_FACTOR 4        //Higher == N2 slows reaction more
#define THERMAL_RELEASE_MODIFIER 10                //Higher == less heat released during reaction
#define PLASMA_RELEASE_MODIFIER 1500                //Higher == less plasma released by reaction
#define OXYGEN_RELEASE_MODIFIER 750        //Higher == less oxygen released at high temperature/power
#define REACTION_POWER_MODIFIER 1.1                //Higher == more overall power


//These would be what you would get at point blank, decreases with distance
#define DETONATION_RADS 200
#define DETONATION_HALLUCINATION 600


#define WARNING_DELAY 60 //45 seconds between warnings.

/obj/machinery/power/supermatter
        name = "Supermatter"
        desc = "A strangely translucent and iridescent crystal. \red You get headaches just from looking at it."
        icon = 'icons/obj/engine.dmi'
        icon_state = "darkmatter"
        density = 1
        anchored = 0

        var/gasefficency = 0.25

        var/base_icon_state = "darkmatter"

        var/damage = 0
        var/damage_archived = 0
        var/safe_alert = "Crystaline hyperstructure returning to safe operating levels."
        var/warning_point = 100
        var/warning_alert = "Danger! Crystal hyperstructure instability!"
        var/emergency_point = 700
        var/emergency_alert = "CRYSTAL DELAMINATION IMMINENT."
        var/explosion_point = 1000

        var/emergency_issued = 0

        var/explosion_power = 8

        var/lastwarning = 0                        // Time in 1/10th of seconds since the last sent warning

        var/power = 0

        //Temporary values so that we can optimize this
        //How much the bullets damage should be multiplied by when it is added to the internal variables
        var/config_bullet_energy = 2
        //How much of the power is left after processing is finished?
//        var/config_power_reduction_per_tick = 0.5
        //How much hallucination should it produce per unit of power?
        var/config_hallucination_power = 0.1

        var/obj/item/device/radio/radio

        shard //Small subtype, less efficient and more sensitive, but less boom.
                name = "Supermatter Shard"
                desc = "A strangely translucent and iridescent crystal that looks like it used to be part of a larger structure. \red You get headaches just from looking at it."
                icon_state = "darkmatter_shard"
                base_icon_state = "darkmatter_shard"

                warning_point = 50
                emergency_point = 500
                explosion_point = 900

                gasefficency = 0.125

                explosion_power = 3 //3,6,9,12? Or is that too small?


/obj/machinery/power/supermatter/New()
        . = ..()
        radio = new (src)


/obj/machinery/power/supermatter/Del()
        del radio
        . = ..()

/obj/machinery/power/supermatter/proc/explode()
		explosion(get_turf(src), explosion_power, explosion_power * 2, explosion_power * 3, explosion_power * 4, 1)
		del src
		return

/obj/machinery/power/supermatter/process()

        var/turf/L = loc

        if(!istype(L)) //If we are not on a turf, uh oh.
                del src

        //Ok, get the air from the turf
        var/datum/gas_mixture/env = L.return_air()

        //Remove gas from surrounding area
        var/datum/gas_mixture/removed = env.remove(gasefficency * env.total_moles)

        if(!removed || !removed.total_moles)
                damage += max((power-1600)/10, 0)
                power = min(power, 1600)
                return 1

        if (!removed)
                return 1

        damage_archived = damage
        damage = max( damage + ( (removed.temperature - 800) / 150 ) , 0 )

        if(damage > warning_point) // while the core is still damaged and it's still worth noting its status
                if((world.timeofday - lastwarning) / 10 >= WARNING_DELAY)

                        if(damage > emergency_point)
                                radio.autosay(emergency_alert, "Supermatter Monitor")
                                lastwarning = world.timeofday

                        else if(damage >= damage_archived) // The damage is still going up
                                radio.autosay(warning_alert, "Supermatter Monitor")
                                lastwarning = world.timeofday - 150

                        else                                                 // Phew, we're safe
                                radio.autosay(safe_alert, "Supermatter Monitor")
                                lastwarning = world.timeofday

                if(damage > explosion_point)
                        for(var/mob/living/mob in living_mob_list)
                                if(istype(mob, /mob/living/carbon/human))
                                        //Hilariously enough, running into a closet should make you get hit the hardest.
                                        mob:hallucination += max(50, min(300, DETONATION_HALLUCINATION * sqrt(1 / (get_dist(mob, src) + 1)) ) )
                                var/rads = DETONATION_RADS * sqrt( 1 / (get_dist(mob, src) + 1) )
                                mob.apply_effect(rads, IRRADIATE)

                        explode()

        //Ok, 100% oxygen atmosphere = best reaction
        //Maxes out at 100% oxygen pressure
        var/oxygen = max(min((removed.oxygen - (removed.nitrogen * NITROGEN_RETARDATION_FACTOR)) / MOLES_CELLSTANDARD, 1), 0)

        var/temp_factor = 100

        if(oxygen > 0.8)
                // with a perfect gas mix, make the power less based on heat
                icon_state = "[base_icon_state]_glow"
        else
                // in normal mode, base the produced energy around the heat
                temp_factor = 60
                icon_state = base_icon_state

        power = max( (removed.temperature * temp_factor / T0C) * oxygen + power, 0) //Total laser power plus an overload

        //We've generated power, now let's transfer it to the collectors for storing/usage
        transfer_energy()

        var/device_energy = power * REACTION_POWER_MODIFIER

        //To figure out how much temperature to add each tick, consider that at one atmosphere's worth
        //of pure oxygen, with all four lasers firing at standard energy and no N2 present, at room temperature
        //that the device energy is around 2140. At that stage, we don't want too much heat to be put out
        //Since the core is effectively "cold"

        //Also keep in mind we are only adding this temperature to (efficiency)% of the one tile the rock
        //is on. An increase of 4*C @ 25% efficiency here results in an increase of 1*C / (#tilesincore) overall.
        removed.temperature += (device_energy / THERMAL_RELEASE_MODIFIER)

        removed.temperature = max(0, min(removed.temperature, 2500))

        //Calculate how much gas to release
        removed.toxins += max(device_energy / PLASMA_RELEASE_MODIFIER, 0)

        removed.oxygen += max((device_energy + removed.temperature - T0C) / OXYGEN_RELEASE_MODIFIER, 0)

        removed.update_values()

        env.merge(removed)

        for(var/mob/living/carbon/human/l in view(src, round(power ** 0.25))) // you have to be seeing the core to get hallucinations
                if(!istype(l.glasses, /obj/item/clothing/glasses/meson))
                        l.hallucination = max(0, min(200, l.hallucination + power * config_hallucination_power * sqrt( 1 / get_dist(l, src) ) ) )

        for(var/mob/living/l in range(src, round((power / 100) ** 0.25)))
                var/rads = (power / 10) * sqrt( 1 / get_dist(l, src) )
                l.apply_effect(rads, IRRADIATE)

        power -= (power/500)**3

        return 1


/obj/machinery/power/supermatter/bullet_act(var/obj/item/projectile/Proj)
        if(Proj.flag != "bullet")
                power += Proj.damage * config_bullet_energy
        else
                damage += Proj.damage * config_bullet_energy
        return 0


/obj/machinery/power/supermatter/attack_paw(mob/user as mob)
        return attack_hand(user)


/obj/machinery/power/supermatter/attack_robot(mob/user as mob)
        return attack_hand(user)


/obj/machinery/power/supermatter/attack_hand(mob/user as mob)
        user.visible_message("<span class=\"warning\">\The [user] reaches out and touches \the [src] inducing a resonance... \his body starts to glow and catch flame before flashing into ash.</span>",\
                "<span class=\"danger\">You reach out and touch \the [src], everything starts burning and all you can hear is ringing. Your last thought is \"That was not a wise decision.\"</span>",\
                "<span class=\"warning\">You hear an uneartly ringing, then what sounds like a shrilling kettle as you are washed with a wave of heat.</span>")

        Consume(user)

/obj/machinery/power/supermatter/proc/transfer_energy()
	for(var/obj/machinery/power/rad_collector/R in rad_collectors)
		if(get_dist(R, src) <= 15) // Better than using orange() every process
			R.receive_pulse(power)
	return

/obj/machinery/power/supermatter/attackby(obj/item/weapon/W as obj, mob/living/user as mob)
        user.visible_message("<span class=\"warning\">\The [user] touches \a [W] to \the [src] as a silence fills the room...</span>",\
                "<span class=\"danger\">You touch \the [W] to \the [src] when everything suddenly goes silent.\"</span>\n<span class=\"notice\">\The [W] flashes into dust as you flinch away from \the [src].</span>",\
                "<span class=\"warning\">Everything suddenly goes silent.</span>")

        user.drop_from_inventory(W)
        Consume(W)

        user.apply_effect(150, IRRADIATE)


/obj/machinery/power/supermatter/Bumped(atom/AM as mob|obj)
        if(istype(AM, /mob/living))
                AM.visible_message("<span class=\"warning\">\The [AM] slams into \the [src] inducing a resonance... \his body starts to glow and catch flame before flashing into ash.</span>",\
                "<span class=\"danger\">You slam into \the [src] as your ears are filled with unearthly ringing. Your last thought is \"Oh, fuck.\"</span>",\
                "<span class=\"warning\">You hear an uneartly ringing, then what sounds like a shrilling kettle as you are washed with a wave of heat.</span>")
        else
                AM.visible_message("<span class=\"warning\">\The [AM] smacks into \the [src] and rapidly flashes to ash.</span>",\
                "<span class=\"warning\">You hear a loud crack as you are washed with a wave of heat.</span>")

        Consume(AM)


/obj/machinery/power/supermatter/proc/Consume(var/mob/living/user)
        if(istype(user))
                user.dust()
                power += 200
        else
                del user

        power += 200

		//Some poor sod got eaten, go ahead and irradiate people nearby.
        for(var/mob/living/l in range(10))
                if(l in view())
                        l.show_message("<span class=\"warning\">As \the [src] slowly stops resonating, you find your skin covered in new radiation burns.</span>", 1,\
                                "<span class=\"warning\">The unearthly ringing subsides and you notice you have new radiation burns.</span>", 2)
                else
                        l.show_message("<span class=\"warning\">You hear an uneartly ringing and notice your skin is covered in fresh radiation burns.</span>", 2)
                var/rads = 500 * sqrt( 1 / (get_dist(l, src) + 1) )
                l.apply_effect(rads, IRRADIATE)