mirror of
https://github.com/minetest-mods/areas.git
synced 2024-08-20 18:24:05 +02:00
80 lines
2.3 KiB
Lua
80 lines
2.3 KiB
Lua
|
|
-- Returns a list of areas that include the provided position
|
|
function areas:getAreasAtPos(pos)
|
|
local a = {}
|
|
local px, py, pz = pos.x, pos.y, pos.z
|
|
for id, area in pairs(self.areas) do
|
|
local ap1, ap2 = area.pos1, area.pos2
|
|
if px >= ap1.x and px <= ap2.x and
|
|
py >= ap1.y and py <= ap2.y and
|
|
pz >= ap1.z and pz <= ap2.z then
|
|
a[id] = area
|
|
end
|
|
end
|
|
return a
|
|
end
|
|
|
|
-- Checks if the area is unprotected or owned by you
|
|
function areas:canInteract(pos, name)
|
|
if minetest.check_player_privs(name, self.adminPrivs) then
|
|
return true
|
|
end
|
|
local owned = false
|
|
for _, area in pairs(self:getAreasAtPos(pos)) do
|
|
if area.owner == name or area.open then
|
|
return true
|
|
else
|
|
owned = true
|
|
end
|
|
end
|
|
return not owned
|
|
end
|
|
|
|
-- Returns a table (list) of all players that own an area
|
|
function areas:getNodeOwners(pos)
|
|
local owners = {}
|
|
for _, area in pairs(self:getAreasAtPos(pos)) do
|
|
table.insert(owners, area.owner)
|
|
end
|
|
return owners
|
|
end
|
|
|
|
--- Checks if the area intersects with an area that the player can't interact in.
|
|
-- Note that this fails and returns false when the specified area is fully
|
|
-- owned by the player, but with miltiple protection zones, none of which
|
|
-- cover the entire checked area.
|
|
-- @param name (optional) player name. If not specified checks for any intersecting areas.
|
|
-- @return Boolean indicating whether the player can interact in that area.
|
|
-- @return Un-owned intersecting area id, if found.
|
|
function areas:canInteractInArea(pos1, pos2, name)
|
|
if name and minetest.check_player_privs(name, self.adminPrivs) then
|
|
return true
|
|
end
|
|
areas:sortPos(pos1, pos2)
|
|
-- First check for a fully enclosing owned area
|
|
if name then
|
|
for id, area in pairs(self.areas) do
|
|
-- A little optimization: isAreaOwner isn't necessary
|
|
-- here since we're iterating through all areas.
|
|
if area.owner == name and
|
|
self:isSubarea(pos1, pos2, id) then
|
|
return true
|
|
end
|
|
end
|
|
end
|
|
-- Then check for intersecting (non-owned) areas
|
|
for id, area in pairs(self.areas) do
|
|
local p1, p2 = area.pos1, area.pos2
|
|
if (p1.x <= pos2.x and p2.x >= pos1.x) and
|
|
(p1.y <= pos2.y and p2.y >= pos1.y) and
|
|
(p1.z <= pos2.z and p2.z >= pos1.z) then
|
|
-- Found an intersecting area
|
|
if not name or not areas:isAreaOwner(id, name) then
|
|
return false, id
|
|
end
|
|
end
|
|
end
|
|
return true
|
|
end
|
|
|