Can someone tell me how you can change the number of people at a party in lua
Using the example of DD, One Hundred Strikes, the Witch's Tower...
There are some library methods and hooks, exported by world server, which could be used in lua scripts to manipulate party creation and party state itself.
You can search examples of usage in lua scripts and then implement what you exactly need
Exported methods:
{"LetRoleLeaveTeam", SC_LetRoleLeaveTeam},
{"CreatANewTeam", SC_CreatANewTeam},
{"LetRoleJoinTeam", SC_LetRoleJoinTeam},
{"IsRoleHaveTeam", SC_IsRoleHaveTeam},
{"GetRoleTeamMemID", SC_GetRoleTeamMemID},
{"CreateTeam", SC_CreateTeam},
{"AddTeamMember", SC_AddTeamMember},
{"GetTeamLeaderID", SC_GetTeamLeaderID},
Exported hooks:
Map.CanInviteJoinTeam
Map.CanLeaveTeam
Map.CanChangeLeader
Map.CanKickMember