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lua:loadfunction [2014/07/18 15:40] – vodurlua:loadfunction [2014/07/18 15:42] (current) – vodur
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 To be completed, here are some notes: To be completed, here are some notes:
  
-[code] +There is a way to do this using loadfunction: 
- +  
-– mprog 31404 +<code lua> 
 +-- mprog 31404
 function a_function( arg1, arg2 ) function a_function( arg1, arg2 )
- +    say("Arg 1: "..arg1) 
-<code> +    say("Arg 2: "..arg2) 
-say("Arg 1: "..arg1) +    return 3 + 5
-</code> +
- +
-<code> +
-say("Arg 2: "..arg2) +
-</code> +
- +
-<code> +
-return 3 + 5 +
-</code> +
 end end
- +  
-– mprog 31405 +  
 +-- mprog 31405
 target_mob = getmobworld(31424)[1] target_mob = getmobworld(31424)[1]
- 
 target_mob:loadprog(31404) target_mob:loadprog(31404)
- 
 target_mob:loadfunction( function() target_mob:loadfunction( function()
- +    a_function( "test1", "test2" )
-<code> +
-a_function( "test1", "test2" ) +
-</code> +
 end) end)
- +  
-– alternate mprog 31405 +  
 +-- alternate mprog 31405
 target_mob = getmobworld(31424)[1] target_mob = getmobworld(31424)[1]
- 
 target_mob:loadfunction( function () target_mob:loadfunction( function ()
- +    loadprog(31404)  
-<code> +    -- alternately: target_mob:loadprog(31404)  
-loadprog(31404) +    -- alternately : mob:loadprog(31404)  -- 'mob' in this case would be target_mob because this function runs in target_mob's env 
-</code> +    a_function( "test1", "test2" )
- +
-    - - alternately: target_mob:loadprog(31404) +
- +
-    - - alternately : mob:loadprog(31404)  – 'mob' in this case would be +
- +
-target_mob because this function runs in target_mob's env +
- +
-<code> +
-a_function( "test1", "test2" ) +
-</code> +
 end) end)
- +  
-– mprog 31405 with return value +-- mprog 31405 with return value 
- +-- note, 'mob' is not a function variable, but a global variable to the
-– note, 'mob' is not a function variable, but a global variable to the +
 environment environment
- +-- uses closure magic to move values between script envs
-– uses closure magic to move values between script envs +
 local result local result
- 
 target_mob = getmobworld(31424)[1] target_mob = getmobworld(31424)[1]
- 
 target_mob:loadfunction( function () target_mob:loadfunction( function ()
- +    loadprog(31404)  
-<code> +    result=a_function( "test1", "test2" ) 
-loadprog(31404)+end)
 </code> </code>
- + 
-<code> +
-result=a_function( "test1", "test2" ) +
-</code> +
- +
-end) +
- +
-[/code] +
 Not as pretty as something like target_mob:loadprog( 31404, "test1", "test2" ), Not as pretty as something like target_mob:loadprog( 31404, "test1", "test2" ),
- 
 but there is no straightforward way to implement args to loadprog directly. but there is no straightforward way to implement args to loadprog directly.
- 
 For instance, if I used the syntax above, by what name would you For instance, if I used the syntax above, by what name would you
- 
 refer to those parameters in the 31404 script? refer to those parameters in the 31404 script?
 +  
 + 
 So loadfunction is the way to do tricky stuff like this, for better or worse. So loadfunction is the way to do tricky stuff like this, for better or worse.
- 
 I agree, it's often nice to have all the code in one place. I agree, it's often nice to have all the code in one place.
- 
 loadfunction can't directly return a value, but you can use other tricks to loadfunction can't directly return a value, but you can use other tricks to
- 
 get the job done: get the job done:
- +  
-[code lua] +<code lua> 
- +-- mprog 31405 with return value 
-– mprog 31405 with return value +-- uses closure magic to move values between script envs
- +
-– uses closure magic to move values between script envs +
 local result local result
- 
 target_mob = getmobworld(31424)[1] target_mob = getmobworld(31424)[1]
- 
 target_mob:loadfunction( function () target_mob:loadfunction( function ()
- +    loadprog(31404)  
-<code> +    result=a_function( "test1", "test2" ) 
-loadprog(31404)+end)
 </code> </code>
- 
-<code> 
-result=a_function( "test1", "test2" ) 
-</code> 
- 
-end) 
- 
-[/code] 
  
lua/loadfunction.1405698042.txt.gz · Last modified: 2014/07/18 15:40 by vodur