Pertanyaan tentang script BGM.

=begin
===============================================================================

#================================================= =========================
# ** SG Optional Battle Music
#================================================= =========================
# sandgolem
# Version 1
# 24.06.06
#================================================= =========================

# Switch number to activate the Even Music
#
#Also note, in Event enabling this switch, change battle win ME to null
Scene_Map::SG_Disable_BattleMusic = 5

#================================================= =========================
#
# To check for updates or find more scripts, visit:
# http://www.gamebaker.com/rmxp/scripts/
#
# To use this script, copy it and insert it in a new section above "Main",
# under the default scripts, and the SDK if you're using it.
#
# Have problems? Official topic:
# http://forums.gamebaker.com/showthread.php?t=13
#
#================================================= =========================

begin
SDK.log('SG Optional Battle Music', 'sandgolem', 1, '24.06.06')
if SDK.enabled?('SG Optional Battle Music') != true
@sg_nobattlebgm_disabled = true
end
rescue
end

if !@sg_nobattlebgm_disabled
#--------------------------------------------------------------------------

class Game_System
alias sandgolem_nobattlebgm_system_bgm bgm_play
def bgm_play(bgm)
if !$sg_keep_music
sandgolem_nobattlebgm_system_bgm(bgm)
end
end

alias sandgolem_nobattlebgm_system_bgmstop bgm_stop
def bgm_stop
if !$sg_keep_music
sandgolem_nobattlebgm_system_bgmstop
end
end
end

class Scene_Map
alias sandgolem_nobattlebgm_map_callbattle call_battle
def call_battle
if $game_switches[SG_Disable_BattleMusic]
$sg_keep_music = true
end
sandgolem_nobattlebgm_map_callbattle
$sg_keep_music = nil
end
end

#--------------------------------------------------------------------------
end

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=end