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133 lines
3.2 KiB
Lua
133 lines
3.2 KiB
Lua
local Module = {}
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local Game = require 'utils.game'
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Module.distance = function(pos1, pos2)
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local dx = pos2.x - pos1.x
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local dy = pos2.y - pos1.y
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return math.sqrt(dx * dx + dy * dy)
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end
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-- rounds number (num) to certain number of decimal places (idp)
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math.round = function(num, idp)
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local mult = 10 ^ (idp or 0)
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return math.floor(num * mult + 0.5) / mult
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end
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function math.clamp(num, min, max)
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if num < min then
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return min
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elseif num > max then
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return max
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else
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return num
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end
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end
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Module.print_except = function(msg, player)
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for _, p in pairs(game.players) do
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if p.connected and p ~= player then
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p.print(msg)
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end
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end
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end
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Module.print_admins = function(msg)
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for _, p in pairs(game.players) do
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if p.connected and p.admin then
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p.print(msg)
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end
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end
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end
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Module.get_actor = function()
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if game.player then
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return game.player.name
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end
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return '<server>'
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end
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Module.cast_bool = function(var)
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if var then
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return true
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else
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return false
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end
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end
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Module.find_entities_by_last_user =
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function(player, surface, filters)
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if type(player) == 'string' or not player then
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error(
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"bad argument #1 to '" ..
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debug.getinfo(1, 'n').name .. "' (number or LuaPlayer expected, got " .. type(player) .. ')',
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1
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)
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return
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end
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if type(surface) ~= 'table' and type(surface) ~= 'number' then
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error(
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"bad argument #2 to '" ..
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debug.getinfo(1, 'n').name .. "' (number or LuaSurface expected, got " .. type(surface) .. ')',
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1
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)
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return
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end
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local entities = {}
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local surface = surface
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local player = player
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local filters = filters or {}
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if type(surface) == 'number' then
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surface = game.surfaces[surface]
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end
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if type(player) == 'number' then
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player = Game.get_player_by_index(player)
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end
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filters.force = player.force.name
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for _, e in pairs(surface.find_entities_filtered(filters)) do
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if e.last_user == player then
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table.insert(entities, e)
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end
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end
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return entities
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end
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Module.ternary = function(c, t, f)
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if c then
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return t
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else
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return f
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end
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end
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local minutes_to_ticks = 60 * 60
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local hours_to_ticks = 60 * 60 * 60
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local ticks_to_minutes = 1 / minutes_to_ticks
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local ticks_to_hours = 1 / hours_to_ticks
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Module.format_time = function(ticks)
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local result = {}
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local hours = math.floor(ticks * ticks_to_hours)
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if hours > 0 then
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ticks = ticks - hours * hours_to_ticks
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table.insert(result, hours)
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if hours == 1 then
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table.insert(result, 'hour')
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else
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table.insert(result, 'hours')
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end
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end
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local minutes = math.floor(ticks * ticks_to_minutes)
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table.insert(result, minutes)
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if minutes == 1 then
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table.insert(result, 'minute')
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else
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table.insert(result, 'minutes')
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end
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return table.concat(result, ' ')
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end
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return Module
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