What is dynamic_mob and how it affects scripts

What is dynamic_mob ?

conf/map/battle/monster.conf
// Dynamic Mobs Options // Use dynamic mobs? (recommended for small-medium sized servers) dynamic_mobs: true // Remove Mobs even if they are hurt mob_remove_damaged: true // Delay before removing mobs from empty maps (default 5 min = 300 secs) mob_remove_delay: 300000
This setting means, monsters only spawn on the map when there is a player warp in.
if the map is left empty for 5 minutes, all dynamic spawned monsters, except spawn by boss_monster will remove from the map

it is recommend to turn on dynamic_mob because it help save memory on your live server

Example:
guild_vs2,0,0,0,0 monster Poring 1002,1,0,0,"asdf::On111" guild_vs2,0,0,0,0 boss_monster Golden Thief Bug 1086,1,20000,10000,"asdf::On222" - script asdf FAKE_NPC,{ OnInit: monster "guild_vs2", 0,0, "--ja--", POPORING, 1, strnpcinfo(NPC_NAME)+"::On333"; bindatcmd "asdf", strnpcinfo(NPC_NAME)+"::Onaaa"; end; Onaaa: dispbottom mobcount( "guild_vs2", "asdf::On111" ) +""; dispbottom mobcount( "guild_vs2", "asdf::On222" ) +""; dispbottom mobcount( "guild_vs2", "asdf::On333" ) +""; end; On111: On222: On333: end; }
Let's say you login in Prontera town, and type "@asdf", poring and golden_bug are not spawn, only poporing has been spawn
"@rura guild_vs2", warp into the map, all 3 monsters are spawned
"@go 0", return to prontera, after 5 minutes, the poring is remove from the map, only golden_bug and poporing remain
"@reloadscript", return everything as normal, only poporing remain

This means :-
1. All monster spawn dynamically are affected by dynamic_mob, *monster script command are not affected
2. once a player warp into the map, all monsters will spawn normally
3. after 5 minutes the map left empty, all non-boss_monster will be remove

This can cause problem to the script if you want to count how many monsters left in the map
because dynamic_mob will NOT load the monster until a player warp into the map

External Links:

mobs on server start
MVP board