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VeryGary

Struct within struct?

5 posts in this topic

#1 ·  Posted (edited)

I'm playing around with creating a UI for engines built using the Checkerboard API, but I'm having difficulty creating the struct required for calls to the .dll. The API documentation defines the C++ struct:

struct CBmove
{
int jumps; // number of jumps in this move
int newpiece; // moving piece after jump
int oldpiece; // moving piece before jump
struct coor from,to; // from,to squares of moving piece
struct coor path[12]; // intermediate squares to jump to
struct coor del[12]; // squares where men are removed
int delpiece[12]; // piece type which is removed
}

How do i go about creating a substruct within my DllStructCreate( "Struct" )? Do I somehow use Arrays in their place?

Edited by VeryGary

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You can just break the struct into its components and add then in sequence in the 'parent struct' in th ecorrect position. So if you have a struct like this

struct str1

{int a1, a2;

char dummy[80];

}

and you had it in a struct like this

Struct2

{int bb;

struct str1;

int figs[20];

}

then this is equivalent to

Struct2

{int BB;

int a1;

int a2;

char dummy[80];

int figs[20];

}

I think that transexx has a udf in example scripts for structs in structs. Definitely worth looking for.

1 person likes this

Serial port communications UDF Includes functions for binary transmission and reception.printing UDF Useful for graphs, forms, labels, reports etc.Add User Call Tips to SciTE for functions in UDFs not included with AutoIt and for your own scripts.Functions with parameters in OnEvent mode and for Hot Keys One function replaces GuiSetOnEvent, GuiCtrlSetOnEvent and HotKeySet.UDF IsConnected2 for notification of status of connected state of many urls or IPs, without slowing the script.

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Thanks.

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You can also download the beta which introduces support for nested structs.

It seems stable enough now but of course it's still a beta.


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#5 ·  Posted (edited)

The coord struct was just a "int; int". I ended up doing the following:

$a = "int; "
Const $JUMPS = 1; number of jumps in this move
$a &= "int; "
Const $NEWPIECE = 2; moving piece after jump
$a &= "int; "
Const $OLDPIECE = 3; moving piece before jump
$a &= "int; int; int; int; "
Dim Const $FROM[2] = [4,5] ; from,to squares of moving piece
Dim Const $TO[2] = [6,7]
For $t = 1 to 24
$a &= "int; "
Next
Dim Const $PATH[12][2] = [  [8,9],[10,11],[12,13],[14,15],[16,17],[18,19], _
[20,21],[22,23],[24,25],[26,27],[28,29],[30,31] ] ; intermediate squares to jump to
For $t = 1 to 24
$a &= "int; "
Next
Dim Const $DEL[12][2] = [ [32,33],[34,35],[36,37],[38,39],[40,41],[42,43], _
[44,45],[46,47],[48,49],[50,51],[52,53],[54,55] ] ; squares where men are removed
For $t = 1 to 12
$a &= "int"
If $t < 12 Then
$a &= "; "
EndIf
Next
Dim Const $DELPIECE[12] = [56,57,58,59,60,61,62,63,64,65,66,67]

Using the Const's for index values within the struct instead of the parameter name.

Edited by VeryGary

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