E2 bugs: E:getShield()

Comments

• LtBrandon Registered, Administrator Posts: 507

  July 2013 #2

  Xell wrote:

  Hi, how to report bugs? here?
  If so there is report:
  
  

  @inputs A:entity
  B = A:getHull()
  

  gives Error:

  sv: Expression 2 (generic): entities/gmod_wire_expression2/core/custom/ShipCore.lua:8: Tried to use a NULL ent

  i know where is problem, but its annoying when i have to check the target every time...
  
  btw: Same with: getHullPercent() getHullMax() shield,armor

  Which server is this on? If its on server 2 please try it on server 1 and report back.

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• Xell Registered Posts: 11

  July 2013 #3

  Server 1 :P
  
  EDIT: Just tried on server 2 and it doesnt work too!
• LtBrandon Registered, Administrator Posts: 507

  July 2013 #4

  Xell wrote:

  Server 1 :P
  
  EDIT: Just tried on server 2 and it doesnt work too!

  Were you using the function on a core entity?

  This is a block of text that can be added to posts you make. There is a 255 character limit.
  
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  Get your extra long EVE trial here!
• Xell Registered Posts: 11

  July 2013 #5

  The entity is NULL but the proble is: when you want to check shield/armor/hull of your enemy and the ship is just destroyed it kill the E2
  Edit:

  entity():getShield()
  

  (like when you target the E2 chip) works well (returns "0")
• Steeveeo Registered, Administrator Posts: 849

  July 2013 #6

  This is where you need something that we in the programming world call a "Sanity Check".
  
  A lot of things will crash an E2, but most of those are trying to do things to NULL values. What you wanna do here is check if A is not null before doing your check:
  

  if(A != noentity())
  {
  <do stuff with A>
  }
  

  
  That's not a bug, that's just programming.
• Xell Registered Posts: 11

  July 2013 #7

  Thats bug of your lua according to me.
  I know about

  if(A != noentity())
  

  and i found a solution almost instantly

  if(A:isValid())
  

  but by "while(perf()) test" with valid entity and second timer i got 15,000(the code below) tries per second from 45,000(the code without "if(C!=noentity())")

  while(perf())
  {
      B++
      if(C!=noentity())   
      { 
           C:getShield()
      }
  }
  

  And finally its hard to find line with "scrip error" in long code..
  
  Edit: i got 17 000 tries per scond with

  if(C:isValid())
  

  :P
  and each other programming language would scream at you: "ERROR AT LINE 500 YOU DUMBASS YOU CANNOT DIVIDE STRING BY VECTOR"
• Kanzuke Registered, Moderator Posts: 181

  July 2013 #8

  @input A:entity
  
  if(A:type():sub(1,9) == "ship_core") {
           B = A:getHull()
  }
  
  

  
  Command doesn't much like being given an input that isn't a ship core, I expect it hates NULL entities

  ---

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