areas:registerHudHandler(handler)
- Registers a handler to add items to the Areas HUD. See HUD.areas:registerOnAdd(func(id, area))
areas:registerOnRemove(func(id))
areas:registerOnMove(func(id, area, pos1, pos2))
If you are making a protection mod or a similar mod that adds invisible regions to the world, and you would like then to show up in the areas HUD element, you can register a callback to show your areas.
HUD handler specification:
handler(pos, list)
pos
- The position to check.list
- The list of area HUD elements, this should be modified in-place.The area list item is a table containing a list of tables with the following fields:
id
- An identifier for the area. This should be a unique string in the format mod:id
.name
- The name of the area.owner
- The player name of the region owner, if any.All of the fields are optional but at least one of them must be set.
local function areas_hud_handler(pos, areas)
local val = find_my_protection(pos)
if val then
table.insert(areas, {
id = "mod:"..val.id,
name = val.name,
owner = val.owner,
})
end
end
areas:registerHudHandler(areas_hud_handler)