Multiple Inventory & Block Drops

on drop:
    if player's game mode is creative:
        if player doesn't have permission "creative.give":
            cancel event
            message "&4You cant' give items while in Creative!"


command /gamemode [<text>] [<text>]:
    description: Gamemode command
    permission: bukkit.gamemode
    trigger:
        if arg 2 is not set:
            set {_player} to player
        else:
            set {_player} to arg 2
        if arg 1 is not set:
            message "&4You must give a gamemode!"
        else if arg 1 is "survival" or "0" or "s":
            if {_player}'s game mode is survival:
                message "&4You're already that gamemode!"
            else if {_player}'s game mode is creative:
                clear {gm.%{_player}%.cr::*}
                loop all items in {_player}'s inventory:
                    add loop-item to {gm.%{_player}%.cr::*}
                clear {_player}'s inventory
                set {_player}'s game mode to survival
                give {gm.%{_player}%.sv::*} to {_player}
            else if {_player}'s game mode is adventure:
                clear {gm.%{_player}%.ad::*}
                loop all items in {_player}'s inventory:
                    add loop-item to {gm.%{_player}%.ad::*}
                clear {_player}'s inventory
                set {_player}'s game mode to survival
                give {gm.%{_player}%.sv::*} to {_player}
        else if arg 1 is "creative" or "1" or "c":
            if {_player}'s game mode is creative:
                message "&4You're already that gamemode!"
            else if {_player}'s game mode is survival:
                clear {gm.%{_player}%.sv::*}
                loop all items in {_player}'s inventory:
                    add loop-item to {gm.%{_player}%.sv::*}
                clear {_player}'s inventory
                set {_player}'s game mode to creative
                give {gm.%{_player}%.cr::*} to {_player}
            else if {_player}'s game mode is adventure:
                clear {gm.%{_player}%.ad::*}
                loop all items in {_player}'s inventory:
                    add loop-item to {gm.%{_player}%.ad::*}
                clear {_player}'s inventory
                set {_player}'s game mode to creative
                give {gm.%{_player}%.cr::*} to {_player}
        else if arg 1 is "adventure" or "2" or "a":
            if {_player}'s game mode is adventure:
                message "&4You're already that gamemode!"
            else if {_player}'s game mode is survival:
                clear {gm.%{_player}%.sv::*}
                loop all items in {_player}'s inventory:
                    add loop-item to {gm.%{_player}%.sv::*}
                clear {_player}'s inventory
                set {_player}'s game mode to adventure
                give {gm.%{_player}%.ad::*} to {_player}
            else if {_player}'s game mode is creative:
                clear {gm.%{_player}%.cr::*}
                loop all items in {_player}'s inventory:
                    add loop-item to {gm.%{_player}%.cr::*}
                clear {_player}'s inventory
                set {_player}'s game mode to adventure
                give {gm.%{_player}%.ad::*} to {_player}
        else:
            message "&4Unknown gamemode!"