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some enemy iterator
-- more generic interface and compositions (filtering, grouping, mapping, sorting, etc.)
-- more generic interface and compositions (filtering, grouping, mapping, sorting, etc.)
-- prevent clients from infinite loops
-- prevent clients from infinite loops
-- load modules more lazily?
-- generalize equipment/enemy iterators
local U = require('Module:Utils')
local U = require('Module:Utils')
local EquipmentData = require('Module:EquipmentData')
local EquipmentData = require('Module:EquipmentData')
local CollectionEquipment = require('Module:Collection/Equipment')
local CollectionEquipment = require('Module:Collection/Equipment')
local EnemyShip = require('Module:EnemyShip')
local CollectionEnemy = require('Module:Collection/EnemyShips')
local Iterator = {}
local Iterator = {}
return context and tonumber(context[name .. (n and tostring(n) or '')]) or default
return context and tonumber(context[name .. (n and tostring(n) or '')]) or default
end
end
-- * Equipment iterators.
function Iterator.equipmentBy(context, n, pred, pre)
function Iterator.equipmentBy(context, n, pred, pre)
end)
end)
end
end
-- * Enemy iterators.
function Iterator.enemiesByType(context, n)
local collection = U.imap(CollectionEnemy, function(name)
return EnemyShip(name)
end)
table.sort(collection, function(a, b)
local ai = U.ifind(CollectionEnemy, a:base_name())
local bi = U.ifind(CollectionEnemy, b:base_name())
if ai and bi and ai ~= bi then
return ai < bi
else
return a._id < b._id
end
end)
local type = numberKey('type', context, n)
local pred = function(e, i)
return e:type() == type
end
local pre
local i = 1
local current = nil
local preFlag = true
return {
next = function()
for _ = i, #collection do
local e = collection[i]
if pred(e, i) then
if pre and preFlag then
local value = pre(e, i)
if value then
current = value
preFlag = false
return true
end
end
current = e:lua_name()
i = i + 1
preFlag = true
return true
end
i = i + 1
end
current = nil
return false
end,
current = function()
return current
end,
}
end
-- * Tests.
function Iterator.test()
function Iterator.test()
mw.log(name)
mw.log(name)
while iterator.next() do
while iterator.next() do
mw.log(' ' .. iterator.current())
mw.log(' ' .. (iterator.current() or '?'))
end
end
mw.log()
mw.log()
testIterator('equipmentByTypeAndIcon', { type = '1', icon = '16' })
testIterator('equipmentByTypeAndIcon', { type = '1', icon = '16' })
testIterator('equipmentBy', { pred = 'is_large_caliber_main_gun', sort = '_type' })
testIterator('equipmentBy', { pred = 'is_large_caliber_main_gun', sort = '_type' })
testIterator('enemiesByType', { type = '2' })
end
end
-- p.test()
-- p.test()
return Iterator
return Iterator