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116 lines
3.6 KiB
Plaintext
116 lines
3.6 KiB
Plaintext
/datum/radiation_wave
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var/source
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var/turf/master_turf //The center of the wave
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var/steps=0 //How far we've moved
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var/intensity //How strong it was originaly
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var/range_modifier //Higher than 1 makes it drop off faster, 0.5 makes it drop off half etc
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var/move_dir //The direction of movement
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var/list/__dirs //The directions to the side of the wave, stored for easy looping
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var/can_contaminate
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/datum/radiation_wave/New(atom/_source, dir, _intensity=0, _range_modifier=RAD_DISTANCE_COEFFICIENT, _can_contaminate=TRUE)
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source = _source
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master_turf = get_turf(_source)
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move_dir = dir
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__dirs = list()
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__dirs+=turn(dir, 90)
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__dirs+=turn(dir, -90)
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intensity = _intensity
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range_modifier = _range_modifier
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can_contaminate = _can_contaminate
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START_PROCESSING(SSradiation, src)
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/datum/radiation_wave/Destroy()
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STOP_PROCESSING(SSradiation, src)
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return ..()
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/datum/radiation_wave/process()
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master_turf = get_step(master_turf, move_dir)
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if(!master_turf)
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qdel(src)
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return
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steps++
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var/list/atoms = get_rad_atoms()
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var/strength
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if(steps>1)
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strength = INVERSE_SQUARE(intensity, max(range_modifier*steps, 1), 1)
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else
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strength = intensity
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if(strength<RAD_BACKGROUND_RADIATION)
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qdel(src)
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return
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radiate(atoms, FLOOR(strength, 1))
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check_obstructions(atoms) // reduce our overall strength if there are radiation insulators
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/datum/radiation_wave/proc/get_rad_atoms()
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var/list/atoms = list()
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var/distance = steps
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var/cmove_dir = move_dir
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var/cmaster_turf = master_turf
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if(cmove_dir == NORTH || cmove_dir == SOUTH)
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distance-- //otherwise corners overlap
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atoms += get_rad_contents(cmaster_turf)
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var/turf/place
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for(var/dir in __dirs) //There should be just 2 dirs in here, left and right of the direction of movement
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place = cmaster_turf
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for(var/i in 1 to distance)
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place = get_step(place, dir)
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atoms += get_rad_contents(place)
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return atoms
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/datum/radiation_wave/proc/check_obstructions(list/atoms)
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var/width = steps
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var/cmove_dir = move_dir
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if(cmove_dir == NORTH || cmove_dir == SOUTH)
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width--
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width = 1+(2*width)
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for(var/k in 1 to atoms.len)
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var/atom/thing = atoms[k]
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if(!thing)
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continue
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var/datum/component/rad_insulation/insulation = thing.GetComponent(/datum/component/rad_insulation)
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if(!insulation)
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continue
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intensity = intensity*(1-((1-insulation.amount)/width)) // The further out the rad wave goes the less it's affected by insulation
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/datum/radiation_wave/proc/radiate(list/atoms, strength)
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for(var/k in 1 to atoms.len)
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var/atom/thing = atoms[k]
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if(!thing)
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continue
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thing.rad_act(strength)
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// This list should only be for types which don't get contaminated but you want to look in their contents
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// If you don't want to look in their contents and you don't want to rad_act them:
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// modify the ignored_things list in __HELPERS/radiation.dm instead
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var/static/list/blacklisted = typecacheof(list(
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/turf,
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/mob,
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/obj/structure/cable,
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/obj/machinery/atmospherics,
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/obj/item/ammo_casing,
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/obj/item/implant,
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/obj/singularity
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))
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if(!can_contaminate || blacklisted[thing.type])
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continue
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var/contamination_chance = (strength-RAD_MINIMUM_CONTAMINATION) * RAD_CONTAMINATION_CHANCE_COEFFICIENT * min(1, 1/(steps*range_modifier))
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if(prob(contamination_chance)) // Only stronk rads get to have little baby rads
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var/datum/component/rad_insulation/insulation = thing.GetComponent(/datum/component/rad_insulation)
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if(insulation && insulation.contamination_proof)
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continue
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else
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var/rad_strength = (strength-RAD_MINIMUM_CONTAMINATION) * RAD_CONTAMINATION_STR_COEFFICIENT
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thing.AddComponent(/datum/component/radioactive, rad_strength, source) |