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Refactored the code for "substr" script function

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* fixed the crashing bug and added a new behavior.

Changed the error message due to missing critter frame (again):
* replaced the interruption with printing the error message to in-game
message window.
This commit is contained in:
NovaRain
2019-11-29 12:13:36 +08:00
parent 3629c90fa9
commit 66c237d297
6 changed files with 70 additions and 104 deletions
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artifacts/scripting/sfall function notes.txt
+4 -1
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@@ -248,7 +248,10 @@ Some utility/math functions are available:
- you can use this to search for a substring in a string like this: strlen(get_array(string_split(haystack, needle), 0))
> string substr(string, start, length)
- cuts a substring from a string starting at "start" up to "length" characters. If start is negative - it indicates starting position from the end of the string (for example substr("test", -2, 2) will return last 2 charactes: "st"). If length is negative - it means so many characters will be omitted from the end of string (example: substr("test", 0, -2) will return string without last 2 characters: "te")
- cuts a substring from a string starting at "start" up to "length" characters. The first character position starts with 0 (zero).
- If start is negative - it indicates starting position from the end of the string (for example substr("test", -2, 2) will return last 2 charactes: "st").
- If length is negative - it means so many characters will be omitted from the end of string (example: substr("test", 0, -2) will return string without last 2 characters: "te").
- If length is zero - it will return a string from the starting position to the end of the string **New behavior** for sfall 4.2.2/3.8.22
> int strlen(string string)
- returns string length