102 lines
2.5 KiB
Lua

local table = require('__stdlib__/stdlib/utils/table')
local function NtoZ_c(x, y)
return (x >= 0 and x or (-0.5 - x)), (y >= 0 and y or (-0.5 - y))
end
local function cantorPair_v7(pos)
local x, y = NtoZ_c(math.floor(pos.x), math.floor(pos.y))
local s = x + y
local h = s * (s + 0.5) + x
return h + h
end
local Queue = {}
function Queue.new(t)
if t and t._hash then
return setmetatable(t, Queue.mt)
else
return setmetatable({_hash = {}}, Queue.mt)
end
end
function Queue.set_hash(t, data)
local index = data.entity.unit_number or cantorPair_v7(data.entity.position)
local hash = t._hash
hash[index] = hash[index] or {}
hash[index][data.action] = data.action
return index
end
function Queue.count(t)
local count = 0
for index in pairs(t) do
if type(index) == 'number' then
count = count + 1
end
end
return count, table.size(t._hash)
end
function Queue.get_hash(t, entity)
local index = entity.unit_number or cantorPair_v7(entity.position)
return t._hash[index]
end
function Queue.insert(t, data, tick, count)
data.hash = Queue.set_hash(t, data)
t[tick] = t[tick] or {}
t[tick][#t[tick] + 1] = data
return t, count
end
function Queue.next(t, _next_tick, tick_spacing, dont_combine)
tick_spacing = tick_spacing or 1
local count = 0
local tick = (_next_tick and _next_tick >= game.tick and _next_tick) or game.tick
local next_tick = function(really_dont_combine)
tick = tick + tick_spacing
while (dont_combine or really_dont_combine) and t[tick] do
tick = tick + 1
end
count = count + 1
return tick, count
end
local queue_count = function(num)
count = count + (num or 0)
return count
end
return next_tick, queue_count
end
--Tick handler, handles executing multiple data tables in a queue
function Queue.execute(t, event)
if t[event.tick] then
for _, data in ipairs(t[event.tick]) do
local index = data.hash
if Queue[data.action] then
Queue[data.action](data)
end
t._hash[index][data.action] = nil
if table.size(t._hash[index]) <= 0 then
t._hash[index] = nil
end
end
t[event.tick] = nil
end
return t
end
Queue.mt = {__index = Queue, __call = nil}
local mt = {
__call = function(_, ...)
return Queue.new(...)
end
}
return setmetatable(Queue, mt)