find density

ID:141123
 
Jun 18 2009, 11:42 am (Edited on Jun 18 2009, 11:53 am)
Code:
mob
    AI
        icon='AI.dmi'
        density=1
        dir=EAST
        New()
            var/ddir=rand(1,2)
            if(ddir==1) src.dir=EAST
            if(ddir==2) src.dir=WEST
            var/loop=2;while(loop)
                //var/obj/O
                var/turf/nx = locate(src.x+1,src.y,src.z)
                if(src.dir==EAST) nx = locate(src.x+1,src.y,src.z)
                if(src.dir==WEST) nx = locate(src.x-1,src.y,src.z)
                //if(locate(/obj/Brick) in nx||locate(/obj/grass) in nx)
                //if(locate(density) in nx&&O.density==1)
                //if(locate(dense) in nx.loc)
                if(nx.density==1)
                    if(src.dir==EAST) src.dir=WEST
                    else if(src.dir==WEST) src.dir=EAST
                else
                    var/turf/NXT = locate(nx.x+1,src.y-1,src.z)
                    if(src.dir==EAST) NXT = locate(src.x+1,src.y-1,src.z)
                    if(src.dir==WEST) NXT = locate(src.x-1,src.y-1,src.z)
                    if(NXT.density==0)
                        src.Move(nx,src.dir)
                sleep(3)


Problem description:
the part that says 'nx density' is not working. I keep on trying to change it to check for density there but it will not co-operate.... Can someone tell me how to fix this? PS: this is a side scroller thing
Jun 18 2009, 11:44 am
Kingster wrote:
Code:
>               var/turf/nx
>               if(src.dir==EAST) nx = locate(nx.x+1,src.y,src.z)
>               if(src.dir==WEST) nx = locate(nx.x-1,src.y,src.z)

nx is null, so you can't locate(nx.x+1, ...), because there is no nx.x.
Jun 18 2009, 11:49 am
In response to Kuraudo
i had that changed. my bad, i changed that to make it look less bad. 
mob
    AI
        icon='AI.dmi'
        density=1
        dir=EAST
        New()
            var/ddir=rand(1,2)
            if(ddir==1) src.dir=EAST
            if(ddir==2) src.dir=WEST
            var/loop=2;while(loop)
                //var/obj/O
                var/turf/nx = locate(src.x+1,src.y,src.z)
                if(src.dir==EAST) nx = locate(src.x+1,src.y,src.z)
                if(src.dir==WEST) nx = locate(src.x-1,src.y,src.z)
                //if(locate(/obj/Brick) in nx||locate(/obj/grass) in nx)
                //if(locate(density) in nx&&O.density==1)
                //if(locate(dense) in nx.loc)
                if(nx.density==1)
                    if(src.dir==EAST) src.dir=WEST
                    else if(src.dir==WEST) src.dir=EAST
                else
                    var/turf/NXT = locate(nx.x+1,src.y-1,src.z)
                    if(src.dir==EAST) NXT = locate(src.x+1,src.y-1,src.z)
                    if(src.dir==WEST) NXT = locate(src.x-1,src.y-1,src.z)
                    if(NXT.density==0)
                        src.Move(nx,src.dir)
                sleep(3)
Jun 18 2009, 1:06 pm
In response to Kingster
That's a huge mess for something quite simple:

if(!step(src,dir)) dir = turn(dir, 180)


Slightly differently:

Bump(var/turf/T)
  ..()
  if(isturf(T))
    dir = turn(dir,180)

AI()
  while(src)
    step(src,dir)
    sleep(3)