RuneScript

op = operable interaction (occurs within 1 tile / line of walk)

ap = approachable interaction (occurs within approachable range of up to 10 tiles / line of sight)

cam = camera

if = interface

com = interface component

inv = inventory

loc = "location", represents an object in the world e.g. a Tree

obj = "object", represents items

p_ = protected (not able to access full set of variables)

stat = skill

oc = related to obj config

op____[1-5] = option 1 through 5 used on target

op____u = item used on target

op____t = spell used on target

opobj = interacted item on ground

opheld = interacted with item in inventory

^lootdrop_duration = 200
^dm_default = "Nothing interesting happens."
^max_32bit_int = 0x7FFFFFFF

Functions can be registered 3 ways.

[proc,name](params)(return) known as a procedure or subroutine. Called via gosub(name) or by prefixing with ~.

[label,name](params) similar to GOTO/LABEL syntax. Called via jump(name) or by prefixing with @.

[trigger,on] contextual function handler registered for a specific action occurring in the engine.

opnpc[1-5] / opnpcu / opnpct

apnpc1[1-5]

opplayer[1-5] / opplayeru / opplayert

applayer[1-5]

oploc[1-5] / oplocu / oploct

aploc[1-5]

opobj[1-5] / opobju / opobjt

opheld[1-5] / opheldu / opheldt

if_button[1-10]

ai_queue[1-20]there's different queue types: 1 = retaliation, 2 = damage, 3 = death, 8 = bind effects

ai_conqueue controller queue

Calling with . or * can change behavior (does not affect procs or labels):

The character . can precede npc_ function names, indicating it's targeting a secondary NPC.

The character * can follow queue function names, indicating a second set of arguments are being passed.