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JRSteensen
Novice
Joined: 27 Jul 2004
Posts: 35
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 Posted: Sun Feb 26, 2017 4:32 am
Saving literal evaluations of functions at menu creation?
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So, populating a menu like this:
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counter = 1
#SORT planets
#WHILE (@counter <> %numitems(@Planets)) {
#SAY Adding %concat("'",%item(Planets,@counter),"'") to Calc Menu.
temp = %concat("@",%string(%item(Planets,@counter)));#SA @temp
temp_name = %string(%item(Planets,@counter))
#MENU @temp_name {
$s = %db(@temp,starsystem);#SA $s //Needs to eval on #MENU Command, not save literally for future eval.
$x = %db(@temp,x);#SA $x //Needs to eval on #MENU Command, not save literally for future eval.
$y = %db(@temp,y);#SA $y //Needs to eval on #MENU Command, not save literally for future eval.
$z = %db(@temp,z);#SA $z //Needs to eval on #MENU Command, not save literally for future eval.
$x0 = $x + @BaseCalcOffset;#SA $x0
$x1 = $x + @BaseCalcOffset + @WingShipOffset;#SA $x1
$x2 = $x + @BaseCalcOffset - @WingShipOffset;#SA $x2
path_cockpit_to_nav
#IF (@battlegroupcommander = true) {
battlegroup nav '@wing1name' calculate '$s' $x1 $y $z
battlegroup nav '@wing2name' calculate '$s' $x2 $y $z
#SAY @wing1name calculating for: $s $x1 $y $z
#SAY @wing2name calculating for: $s $x2 $y $z}
calc '$s' $x0 $y $z
path_nav_to_cockpit
Destination = %item(Planets,@counter)
} calcmenu
#ADD counter 1
}
counter = 0
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In the menu command, how can I save the @temp_name, %db(@temp,starsystem), %db(@temp,x), %db(@temp,y), and %db(@temp,z) literally?
I do not want them saved to the menu, rather evaluated at menu creation.
As it is currently, it creates the menu items, but only subs in whatever is currently in @temp, versus the one associated with that specific one. |
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JRSteensen
Novice
Joined: 27 Jul 2004
Posts: 35
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Posted: Sun Feb 26, 2017 9:34 pm
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i.e. I'd want the expressions to evaluate at the time of the menu creation, versus having the evaluations placed inside the MENU command for future evaluation. Been banging my head on how to accomplish this.
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Vijilante
SubAdmin
Joined: 18 Nov 2001
Posts: 5182
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Posted: Mon Feb 27, 2017 4:06 pm
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I created some test data and things to make sure I got it right. In writing it I reordered some lines based on the probability that the Destination variable might need to be set for aliases called by the menu. I reversed the order of the counter and shifted things to local variables for execution speed. You should probably paste it into a blank session to make sure it is working as desired and then copy just the alias to your main session.
| Code: |
<?xml version="1.0" encoding="ISO-8859-1" ?>
<cmud>
<alias name="test" copy="yes">
<value>$counter = %numitems(@Planets)
#WHILE ($counter) {
$temp_name = %item(@Planets,$counter)
#SAY Adding '$temp_name' to Calc Menu.
$temp = %eval(%concat("@",$temp_name));#SAY $temp_name info: $temp
$menu_string=%concat("Destination = """, $temp_name, """",%cr)
$menu_string=%concat($menu_string"$s = """, %db($temp,starsystem),""";#SA Star system: $s",%cr)
$menu_string=%concat($menu_string, "$x = ", %db($temp,x), ";#SA x: $x",%cr)
$menu_string=%concat($menu_string, "$y = ", %db($temp,y), ";#SA y: $y",%cr)
$menu_string=%concat($menu_string, "$z = ", %db($temp,z), ";#SA z: $z",%cr)
$menu_string=%concat($menu_string, "$x0 = $x + @BaseCalcOffset;#SA x0: $x0",%cr)
$menu_string=%concat($menu_string, "$x1 = $x0 + @WingShipOffset;#SA x1: $x1",%cr)
$menu_string=%concat($menu_string, "$x2 = $x0 - @WingShipOffset;#SA x2: $x2",%cr)
$menu_string=%concat($menu_string, "path_cockpit_to_nav",%cr)
$menu_string=%concat($menu_string, "#IF (@battlegroupcommander = true) {",%cr)
$menu_string=%concat($menu_string, " battlegroup nav '@wing1name' calculate '$s' $x1 $y $z",%cr)
$menu_string=%concat($menu_string, " battlegroup nav '@wing2name' calculate '$s' $x2 $y $z",%cr)
$menu_string=%concat($menu_string, " #SAY @wing1name calculating for: $s $x1 $y $z",%cr)
$menu_string=%concat($menu_string, " #SAY @wing2name calculating for: $s $x2 $y $z",%cr)
$menu_string=%concat($menu_string, "}",%cr)
$menu_string=%concat($menu_string, "calc '$s' $x0 $y $z",%cr)
$menu_string=%concat($menu_string, "path_nav_to_cockpit",%cr)
#CALL %session.MakeMenu($temp_name, $menu_string, "calcmenu")
#ADD $counter -1
}</value>
</alias>
<class name="calcmenu" copy="yes">
<var name="Destination" usedef="true" copy="yes"/>
</class>
<class name="PlanetData" copy="yes">
<var name="Planets" type="StringList" sorted="1" copy="yes">
<value>Planet1|Planet2|Vulcan</value>
<json>["Planet1","Planet2","Vulcan"]</json>
</var>
<var name="Planet1" type="Record" copy="yes">
<value>x=7|y=3|z=-1|starsystem=Magrethea</value>
<json>{"starsystem":"Magrethea","z":-1,"y":3,"x":7}</json>
</var>
<var name="Planet2" type="Record" copy="yes">
<value>x=8|y=4|z=2|starsystem=Alpha Centauri</value>
<json>{"starsystem":"Alpha Centauri","z":2,"y":4,"x":8}</json>
</var>
<var name="Vulcan" type="Record" copy="yes">
<value>x=9|y=1|z=19|starsystem=Romulus</value>
<json>{"starsystem":"Romulus","z":19,"y":1,"x":9}</json>
</var>
</class>
</cmud> |
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JRSteensen
Novice
Joined: 27 Jul 2004
Posts: 35
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Posted: Mon Feb 27, 2017 9:30 pm
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Works absolutely perfectly. Thank you.
Only minor issue is that it populates the calc menu in ascending alphabetical (Z->A) instead of descending (A->Z) order.
Fixed that with:
| Code: |
#WHILE ($counter) {
$temp_planets_list = %sort(@planets,1)
$temp_name = %item($temp_planets_list,$counter)
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Thank you! Really do appreciate all the help recently! |
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Vijilante
SubAdmin
Joined: 18 Nov 2001
Posts: 5182
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Posted: Mon Feb 27, 2017 11:08 pm
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The Planets variable is a permanent list variable. You set its sorting order directly in its settings and that will eliminate the need to play with the sort whenever you execute the alias to rebuild the menu.
Also I see there is a comma missing in my original post at this line:
$menu_string=%concat($menu_string,"$s = """, %db($temp,starsystem),""";#SA Star system: $s",%cr) |
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