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Paradise/code/game/objects/effects/aliens.dm
Walter0o 898d4f7af5 alien weed and node fixes bonanza 
couple of things :
1.) alien weeds spawning with a node param works totally fine ingame ( AKA vomited by an alium ),
but when placed on map in DM they will trigger nullpointer errors for every single weed placed.
this seems to went undetected simply because there are no weeds on the map at startup,
ever since your asteroid abandoned outpost got replaced with that vox trading station.

2.) it took me a moment to understand what node/Destroy() is supposed to do.
it looped through its list of spawned weeds and nulls only its own linked_node var.
that could have been done by src.linked_node = null, but i dont think that is the intention of the loop.
for safe GCing the linked_node var of all weeds that got spawned by this node need to be nulled, not only its own.

3.) to be safe, the turf/space check should happen before any list operations are done, also replaced del() with qdel() here.

4.) the linked_node check of weeds/proc/Life() should be one of the first things to happen, which saves a lot of checks.

5.) the layer of weeds being default 3 was quite annoying as the weeds made it hard to click all kinds of layer 3 items and objects.
fixed for weeds, nodes will still be 3 to properly show above things like AI holopads.

6.) i took the liberty of changing the node/node param to node/N ,
rename the spawns list to connected_weeds and move weeds/Destroy() up for better readability.
2014-05-28 08:56:58 -04:00

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/* Alien Effects!
* Contains:
* effect/alien
* Resin
* Weeds
* Acid
* Egg
*/
/*
* effect/alien
*/
/obj/effect/alien
name = "alien thing"
desc = "theres something alien about this"
icon = 'icons/mob/alien.dmi'
// unacidable = 1 //Aliens won't ment their own.
/*
* Resin
*/
/obj/effect/alien/resin
name = "resin"
desc = "Looks like some kind of slimy growth."
icon_state = "resin"
density = 1
opacity = 1
anchored = 1
var/health = 200
var/turf/linked_turf
wall
name = "resin wall"
desc = "Purple slime solidified into a wall."
icon_state = "resinwall" //same as resin, but consistency ho!
membrane
name = "resin membrane"
desc = "Purple slime just thin enough to let light pass through."
icon_state = "resinmembrane"
opacity = 0
health = 120
/obj/effect/alien/resin/New()
..()
linked_turf = get_turf(src)
linked_turf.thermal_conductivity = WALL_HEAT_TRANSFER_COEFFICIENT
/obj/effect/alien/resin/Destroy()
if(linked_turf)
linked_turf.thermal_conductivity = initial(linked_turf.thermal_conductivity)
..()
/obj/effect/alien/resin/proc/healthcheck()
if(health <=0)
density = 0
qdel(src)
return
/obj/effect/alien/resin/bullet_act(var/obj/item/projectile/Proj)
health -= Proj.damage
..()
healthcheck()
return
/obj/effect/alien/resin/ex_act(severity)
switch(severity)
if(1.0)
health-=50
if(2.0)
health-=50
if(3.0)
if (prob(50))
health-=50
else
health-=25
healthcheck()
return
/obj/effect/alien/resin/blob_act()
health-=50
healthcheck()
return
/obj/effect/alien/resin/meteorhit()
health-=50
healthcheck()
return
/obj/effect/alien/resin/hitby(AM as mob|obj)
..()
for(var/mob/O in viewers(src, null))
O.show_message("\red <B>[src] was hit by [AM].</B>", 1)
var/tforce = 0
if(ismob(AM))
tforce = 10
else
tforce = AM:throwforce
playsound(loc, 'sound/effects/attackblob.ogg', 100, 1)
health = max(0, health - tforce)
healthcheck()
..()
return
/obj/effect/alien/resin/attack_hand()
if (M_HULK in usr.mutations)
usr << "\blue You easily destroy the [name]."
for(var/mob/O in oviewers(src))
O.show_message("\red [usr] destroys the [name]!", 1)
health = 0
else
usr << "\blue You claw at the [name]."
for(var/mob/O in oviewers(src))
O.show_message("\red [usr] claws at the [name]!", 1)
health -= rand(5,10)
healthcheck()
return
/obj/effect/alien/resin/attack_paw()
return attack_hand()
/obj/effect/alien/resin/attack_alien()
if (islarva(usr))//Safety check for larva. /N
return
usr << "\green You claw at the [name]."
for(var/mob/O in oviewers(src))
O.show_message("\red [usr] claws at the resin!", 1)
playsound(loc, 'sound/effects/attackblob.ogg', 100, 1)
health -= rand(40, 60)
if(health <= 0)
usr << "\green You slice the [name] to pieces."
for(var/mob/O in oviewers(src))
O.show_message("\red [usr] slices the [name] apart!", 1)
healthcheck()
return
/obj/effect/alien/resin/attackby(obj/item/weapon/W as obj, mob/user as mob)
/*if (istype(W, /obj/item/weapon/grab) && get_dist(src,user)<2)
var/obj/item/weapon/grab/G = W
if(isalien(user)&&(ishuman(G.affecting)||ismonkey(G.affecting)))
//Only aliens can stick humans and monkeys into resin walls. Also, the wall must not have a person inside already.
if(!affecting)
if(G.state<2)
user << "\red You need a better grip to do that!"
return
G.affecting.loc = src
G.affecting.paralysis = 10
for(var/mob/O in viewers(world.view, src))
if (O.client)
O << text("\green [] places [] in the resin wall!", G.assailant, G.affecting)
affecting=G.affecting
del(W)
spawn(0)
process()
else
user << "\red This wall is already occupied."
return */
var/aforce = W.force
health = max(0, health - aforce)
playsound(loc, 'sound/effects/attackblob.ogg', 100, 1)
healthcheck()
..()
return
/obj/effect/alien/resin/CanPass(atom/movable/mover, turf/target, height=0, air_group=0)
if(air_group) return 0
if(istype(mover) && mover.checkpass(PASSGLASS))
return !opacity
return !density
/*
* Weeds
*/
#define NODERANGE 3
/obj/effect/alien/weeds
name = "weeds"
desc = "Weird purple weeds."
icon_state = "weeds"
anchored = 1
density = 0
layer = 2
var/health = 15
var/obj/effect/alien/weeds/node/linked_node = null
/obj/effect/alien/weeds/Destroy()
if(linked_node)
linked_node.connected_weeds.Remove(src)
linked_node = null
..()
/obj/effect/alien/weeds/node
icon_state = "weednode"
name = "purple sac"
desc = "Weird purple octopus-like thing."
layer = 3
luminosity = NODERANGE
var/node_range = NODERANGE
var/list/obj/effect/alien/weeds/connected_weeds
/obj/effect/alien/weeds/node/Destroy()
for(var/obj/effect/alien/weeds/W in connected_weeds)
W.linked_node = null
..()
/obj/effect/alien/weeds/node/New()
connected_weeds = new()
..(src.loc, src)
/obj/effect/alien/weeds/New(pos, var/obj/effect/alien/weeds/node/N)
..()
if(istype(loc, /turf/space))
qdel(src)
return
linked_node = N
if(linked_node)
linked_node.connected_weeds.Add(src)
if(icon_state == "weeds")icon_state = pick("weeds", "weeds1", "weeds2")
spawn(rand(150, 200))
if(src)
Life()
return
/obj/effect/alien/weeds/proc/Life()
//set background = 1
var/turf/U = get_turf(src)
/*
if (locate(/obj/movable, U))
U = locate(/obj/movable, U)
if(U.density == 1)
del(src)
return
Alien plants should do something if theres a lot of poison
if(U.poison> 200000)
health -= round(U.poison/200000)
update()
return
*/
if (istype(U, /turf/space))
del(src)
return
if(!linked_node || (get_dist(linked_node, src) > linked_node.node_range) )
return
direction_loop:
for(var/dirn in cardinal)
var/turf/T = get_step(src, dirn)
if (!istype(T) || T.density || locate(/obj/effect/alien/weeds) in T || istype(T.loc, /area/arrival) || istype(T, /turf/space))
continue
// if (locate(/obj/movable, T)) // don't propogate into movables
// continue
for(var/obj/O in T)
if(O.density)
continue direction_loop
new /obj/effect/alien/weeds(T, linked_node)
/obj/effect/alien/weeds/ex_act(severity)
switch(severity)
if(1.0)
qdel(src)
if(2.0)
if (prob(50))
qdel(src)
if(3.0)
if (prob(5))
qdel(src)
return
/obj/effect/alien/weeds/fire_act(null, temperature, volume)
if(temperature > T0C+200)
health -= 1 * temperature
healthcheck()
/obj/effect/alien/weeds/attackby(var/obj/item/weapon/W, var/mob/user)
if(W.attack_verb.len)
visible_message("\red <B>\The [src] have been [pick(W.attack_verb)] with \the [W][(user ? " by [user]." : ".")]")
else
visible_message("\red <B>\The [src] have been attacked with \the [W][(user ? " by [user]." : ".")]")
var/damage = W.force / 4.0
if(istype(W, /obj/item/weapon/weldingtool))
var/obj/item/weapon/weldingtool/WT = W
if(WT.remove_fuel(0, user))
damage = 15
playsound(loc, 'sound/items/Welder.ogg', 100, 1)
health -= damage
healthcheck()
/obj/effect/alien/weeds/proc/healthcheck()
if(health <= 0)
qdel(src)
/obj/effect/alien/weeds/temperature_expose(datum/gas_mixture/air, exposed_temperature, exposed_volume)
if(exposed_temperature > 300)
health -= 5
healthcheck()
/*/obj/effect/alien/weeds/burn(fi_amount)
if (fi_amount > 18000)
spawn( 0 )
del(src)
return
return 0
return 1
*/
#undef NODERANGE
/*
* Acid
*/
/obj/effect/alien/acid
name = "acid"
desc = "Burbling corrossive stuff. I wouldn't want to touch it."
icon_state = "acid"
density = 0
opacity = 0
anchored = 1
var/atom/target
var/ticks = 0
var/target_strength = 0
/obj/effect/alien/acid/New(loc, target)
..(loc)
src.target = target
if(isturf(target)) // Turf take twice as long to take down.
target_strength = 8
else
target_strength = 4
tick()
/obj/effect/alien/acid/proc/tick()
if(!target)
del(src)
ticks += 1
if(ticks >= target_strength)
for(var/mob/O in hearers(src, null))
O.show_message("\green <B>[src.target] collapses under its own weight into a puddle of goop and undigested debris!</B>", 1)
if(istype(target, /turf/simulated/wall)) // I hate turf code.
var/turf/simulated/wall/W = target
W.dismantle_wall(1)
else
del(target)
del(src)
return
switch(target_strength - ticks)
if(6)
visible_message("\green <B>[src.target] is holding up against the acid!</B>")
if(4)
visible_message("\green <B>[src.target]\s structure is being melted by the acid!</B>")
if(2)
visible_message("\green <B>[src.target] is struggling to withstand the acid!</B>")
if(0 to 1)
visible_message("\green <B>[src.target] begins to crumble under the acid!</B>")
spawn(rand(150, 200)) tick()
/*
* Egg
*/
/var/const //for the status var
BURST = 0
BURSTING = 1
GROWING = 2
GROWN = 3
MIN_GROWTH_TIME = 1800 //time it takes to grow a hugger
MAX_GROWTH_TIME = 3000
/obj/effect/alien/egg
desc = "It looks like a weird egg"
name = "egg"
icon_state = "egg_growing"
density = 0
anchored = 1
var/health = 100
var/status = GROWING //can be GROWING, GROWN or BURST; all mutually exclusive
New()
if(aliens_allowed)
..()
spawn(rand(MIN_GROWTH_TIME,MAX_GROWTH_TIME))
Grow()
else
del(src)
attack_paw(user as mob)
if(isalien(user))
switch(status)
if(BURST)
user << "\red You clear the hatched egg."
del(src)
return
if(GROWING)
user << "\red The child is not developed yet."
return
if(GROWN)
user << "\red You retrieve the child."
Burst(0)
return
else
return attack_hand(user)
attack_hand(user as mob)
user << "It feels slimy."
return
proc/GetFacehugger()
return locate(/mob/living/carbon/alien/facehugger) in contents
proc/Grow()
icon_state = "egg"
status = GROWN
new /mob/living/carbon/alien/facehugger(src)
return
proc/Burst(var/kill = 1) //drops and kills the hugger if any is remaining
if(status == GROWN || status == GROWING)
var/mob/living/carbon/alien/facehugger/child = GetFacehugger()
icon_state = "egg_hatched"
flick("egg_opening", src)
status = BURSTING
spawn(15)
status = BURST
if(!child)
src.visible_message("\red The egg bursts apart revealing nothing")
status = "GROWN"
new /obj/effect/decal/cleanable/xenoblood(src)
loc.contents += child//need to write the code for giving it to the alien later
if(kill && istype(child))
child.death()
else
for(var/mob/M in range(1,src))
if(CanHug(M))
child.Attach(M)
break
/obj/effect/alien/egg/bullet_act(var/obj/item/projectile/Proj)
health -= Proj.damage
..()
healthcheck()
return
/obj/effect/alien/egg/attackby(var/obj/item/weapon/W, var/mob/user)
if(health <= 0)
return
if(W.attack_verb.len)
src.visible_message("\red <B>\The [src] has been [pick(W.attack_verb)] with \the [W][(user ? " by [user]." : ".")]")
else
src.visible_message("\red <B>\The [src] has been attacked with \the [W][(user ? " by [user]." : ".")]")
var/damage = W.force / 4.0
if(istype(W, /obj/item/weapon/weldingtool))
var/obj/item/weapon/weldingtool/WT = W
if(WT.remove_fuel(0, user))
damage = 15
playsound(get_turf(src), 'sound/items/Welder.ogg', 100, 1)
src.health -= damage
src.healthcheck()
/obj/effect/alien/egg/proc/healthcheck()
if(health <= 0)
Burst()
/obj/effect/alien/egg/temperature_expose(datum/gas_mixture/air, exposed_temperature, exposed_volume)
if(exposed_temperature > 500)
health -= 5
healthcheck()
/obj/effect/alien/egg/HasProximity(atom/movable/AM as mob|obj)
if(status == GROWN)
if(!CanHug(AM))
return
var/mob/living/carbon/C = AM
if(C.stat == CONSCIOUS && C.status_flags & XENO_HOST)
return
Burst(0)
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