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linguist/samples/DM/example.dm
2013-03-25 09:54:23 +00:00

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// This is a single line comment.
/*
This is a multi-line comment
*/
// Pre-processor keywords
#define PI 3.1415
#if PI == 4
#define G 5
#elif PI == 3
#define I 6
#else
#define K 7
#endif
var/GlobalCounter = 0
var/const/CONST_VARIABLE = 2
var/list/MyList = list("anything", 1, new /datum/entity)
var/list/EmptyList[99] // creates a list of 99 null entries
var/list/NullList = null
/*
Entity Class
*/
/datum/entity
var/name = "Entity"
var/number = 0
/datum/entity/proc/myFunction()
world.log << "Entity has called myFunction"
/datum/entity/New()
number = GlobalCounter++
/*
Unit Class, Extends from Entity
*/
/datum/entity/unit
name = "Unit"
/datum/entity/unit/New()
..() // calls the parent's proc; equal to super() and base() in other languages
number = rand(1, 99)
/datum/entity/unit/myFunction()
world.log << "Unit has overriden and called myFunction"
// Global Function
/proc/ReverseList(var/list/input)
var/list/output = list()
for(var/i = input.len; i >= 1; i--) // IMPORTANT: List Arrays count from 1.
output += input[i] // "+= x" is ".Add(x)"
return output
// Bitflags
/proc/DoStuff()
var/bitflag = 0
bitflag |= 8
return bitflag
/proc/DoOtherStuff()
var/bitflag = 65535 // 16 bits is the maximum amount
bitflag &= ~8
return bitflag
// Logic
/proc/DoNothing()
var/pi = PI
if(pi == 4)
world.log << "PI is 4"
else if(pi == CONST_VARIABLE)
world.log << "PI is [CONST_VARIABLE]!"
else
world.log << "PI is approximety [pi]"
#undef PI // Undefine PI