[TUT] Adding Gametype to Custom Games selection menu in Modding

This tutorial will cover how to add a custom gametype to the Set Game Mode list in Custom Games. This is only for Multiplayer mods.

In your core_mod.zone, add the following:

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structuredtable,gamedata/tables/common/mod_game_types.json

In your mod folder, add the following folder structure: gamedata/tables/common/

From the raw files, copy the default mod_game_types.json file from Call of Duty Black Ops III\share\raw\gamedata\tables\common to your mod's gamedata/tables/common/ folder.

It should look like this:

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{
    "_meta": {},
    "data": [
        {
            "comments": "Keep GameType Index Between 200 - 250 For Readability",
            "id": 20,
            "index": 201,
            "session_mode": "mp",
            "name": "tdm",
            "name_ref": "MPUI_TEAM_DEATHMATCH",
            "name_ref_caps": "MPUI_TEAM_DEATHMATCH_CAPS",
            "hardcore_name_ref": "MPUI_HCTDM",
            "description": "MENU_KILL_PLAYERS_ON_THE_OPPOSING",
            "hardcore_available": "YES",
            "is_team_based": "YES",
            "groupname": "standard",
            "image": "playlist_tdm",
            "loading_screen_image": "t7_menu_mp_icons_gamemode_graphic_tdm",
            "presence_ref": "PRESENCE_TDM"
        }
    ]
}

Change MPUI_TEAM_DEATHMATCH and MPUI_TEAM_DEATHMATCH_CAPS to localisation keys for your mod. And change "tdm" to the name of your gametype.

For example, in my Onslaught mod I created a onslaught_menu.str file in english/localizedstrings, with the following:

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VERSION				"1"
CONFIG					"C:\projects\cod\t7\bin\StringEd.cfg"
FILENOTES				""

REFERENCE				ONSLAUGHT_LOWER
LANG_ENGLISH		"Onslaught"

REFERENCE				ONSLAUGHT_LOWER_SHORT
LANG_ENGLISH		"Onslaught"

REFERENCE				ONSLAUGHT_CAPS
LANG_ENGLISH		"ONSLAUGHT"

REFERENCE				ONSLAUGHT_CAPS_SHORT
LANG_ENGLISH		"ONSLAUGHT"

ENDMARKER

And in the mod_game_types.json for the mod I did this:

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{
    "_meta": {},
    "data": [
        {
            "comments": "Keep GameType Index Between 200 - 250 For Readability",
            "id": 20,
            "index": 202,
            "session_mode": "mp",
            "name": "onslaught",
            "name_ref": "ONSLAUGHT_MENU_ONSLAUGHT_LOWER",
            "name_ref_caps": "ONSLAUGHT_MENU_ONSLAUGHT_CAPS",
            "hardcore_name_ref": "ONSLAUGHT_MENU_ONSLAUGHT_CAPS",
            "description": "MENU_KILL_PLAYERS_ON_THE_OPPOSING",
            "hardcore_available": "YES",
            "is_team_based": "YES",
            "groupname": "standard",
            "image": "playlist_onslaught",
            "loading_screen_image": "t7_menu_mp_icons_gamemode_graphic_tdm",
            "presence_ref": "PRESENCE_TDM"
        }
    ]
}

Once you have done that, re-compile and you should see this ingame:

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[TUT] Adding Gametype to Custom Games selection menu