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Added a modulo for set_variable wml,

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...it uses the new itoa function of my previous commit. 

Also the int(atof(string)) which other similar code uses is not
required so didn't use that either. Might be nice to convert the
existing code as well.
This commit is contained in:
Mark de Wever 2006-11-18 15:25:14 +00:00
parent 090ad8ba82
commit 075432e75f
2 changed files with 14 additions and 2 deletions
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2
changelog
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@ -69,7 +69,7 @@ Version 1.3-svn:
* units can now have victory animations, usable with the WML tag 'victory_anim'
* [event]s can now be written also inside [era]s (the [event]s are included
in every scenario played using that era)
* new operation for set_variable : divide
* new operations for set_variable : divide and modulo
* Animations now use duration= tag instead of begin= and end= (backward
* Animations now have a frequency= filter to allow to tweak realtive rarety
compatible)

14
src/game_events.cpp
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@ -1,5 +1,4 @@
/* $Id$ */
/* $Id$ */
/*
Copyright (C) 2003 by David White <davidnwhite@verizon.net>
Part of the Battle for Wesnoth Project http://www.wesnoth.org/
@ -887,6 +886,19 @@ bool event_handler::handle_event_command(const queued_event& event_info,
}
}
const std::string& modulo = cfg["modulo"];
if(modulo.empty() == false) {
int value = atoi(var.c_str());
int divider = atoi(modulo.c_str());
if (divider == 0) {
ERR_NG << "division by zero on variable " << name << "\n";
return rval;
} else {
value %= divider;
var = utils::itoa(value);
}
}
// random generation works as follows:
// random=[comma delimited list]
// Each element in the list will be considered a separate choice,