Information

This page serves as a quick and dirty information cheat-sheet for multiplayer modding

Lua

Player

PlayerService:GetPlayersMechs()
PlayerService:GetAllPlayers()
PlayerService:GetPlayerByMech( entity )
PlayerService:GetPlayerControlledEnt( player_id )
PlayerService:ResetDeathStats()

Team

local team = EntityService:GetTeam( "player" )
EntityService:SetTeamRelation( team, team, "hostility" )
local player_team = PlayerService:CreatePlayerTeam("player_" .. tostring(player_id), true)
PlayerService:GetPlayerTeam(player_id)
PlayerService:SetPlayerTeam( player_id, player_team )

Bots

local player_id = PlayerService:CreateFakePlayer();
local player_team = PlayerService:CreatePlayerTeam("bot_" .. tostring(player_id), true)
PlayerService:RemovePlayerBot(player_id)
PlayerService:CreatePlayerBot("player/character_bot", player_id, player_team )

Misc

PlayerService:GetPlayerSpawnPoint( player_id )
ConsoleService:GetConfig("server_max_players_count")
CampaignService:ChangeCurrentMission( newMissionName )

GUI

Multiplayer change game mode name

To change the game mode name which appears at the top of the multiplayer settings page,
edit the file \gui\00_multiplayer_dm_localizations.csv

To remove the name box completely, have no localization in \gui\00_multiplayer_dm_localizations.csv

Multiplayer change game mode picture

To change the game mode picture which appears at the top of the multiplayer settings page,
edit the file \campaigns\mp_deathmatch.campaign
There is a line called preview_material which points to a material file.
That file can be found in \materials\scripts\gui_menu_previews.material.
Now copy an existing preview and rename it to your mod, like:

material gui/menu/campaign_prev/gungame_prev : gui/default
{
	set_texture_alias diffuse materials/textures/gui/menu/biomes_prev/gungame_prev.dds
}

Place the new game mode picture in the folder \materials\textures\gui\menu\biomes_prev, use the same filename as in the material file.

A picture dimension of 710x150 is recommended

Multiplayer slider settings

Open file \campaigns\mp_deathmatch.campaign and edit CampaignCustomOption for slider handling
In Lua the setting can be used as:

local campaignData = CampaignService:GetCampaignData()
g_max_level = campaignData:GetIntOrDefault("max_level", 5)

Where max_level equals the CampaignCustomOption name.