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https://github.com/PHIDIAS0303/ExpCluster.git
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92 lines
3.6 KiB
Lua
92 lines
3.6 KiB
Lua
---LuaPlayerBuiltEntityEventFilters
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---Events.set_event_filter(defines.events.on_built_entity, {{filter = "name", name = "fast-inserter"}})
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local Event = require 'utils.event' --- @dep utils.event
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local config = require 'config.station_auto_name' --- @dep config.chat_reply
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--Credit to Cooldude2606 for using his lua magic to make this function.
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local directions = {
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['W'] = -0.875,
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['NW'] = -0.625,
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['N'] = -0.375,
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['NE'] = -0.125,
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['E'] = 0.125,
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['SE'] = 0.375,
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['S'] = 0.625,
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['SW'] = 0.875
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}
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local function Angle(entity)
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local angle = math.atan2(entity.position.y, entity.position.x)/math.pi
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for direction, requiredAngle in pairs(directions) do
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if angle < requiredAngle then
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return direction
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end
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end
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return 'W'
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end
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local custom_string = ' *'
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local custom_string_len = #custom_string
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local function station_name_changer(event)
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local entity = event.created_entity
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local name = entity.name
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if name == "entity-ghost" then
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if entity.ghost_name ~= "train-stop" then return end
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local backername = entity.backer_name
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if backername ~= '' then
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entity.backer_name = backername..custom_string
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end
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elseif name == "train-stop" then --only do the event if its a train stop
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local backername = entity.backer_name
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if backername:sub(-custom_string_len) == custom_string then
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entity.backer_name = backername:sub(1, -custom_string_len-1)
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return
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end
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local boundingBox = entity.bounding_box
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-- expanded box for recourse search:
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local bounding2 = {{boundingBox.left_top.x-100 ,boundingBox.left_top.y-100} , {boundingBox.right_bottom.x+100, boundingBox.right_bottom.y+100 }}
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-- gets all resources in bounding_box2:
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local recourses = game.surfaces[1].find_entities_filtered{area = bounding2, type = "resource"}
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if #recourses > 0 then -- save cpu time if their are no recourses in bounding_box2
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local closest_distance
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local px, py = boundingBox.left_top.x, boundingBox.left_top.y
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local recourse_closed
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--Check which recourse is closest
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for i, item in ipairs(recourses) do
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local dx, dy = px - item.bounding_box.left_top.x, py - item.bounding_box.left_top.y
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local distance = (dx*dx)+(dy*dy)
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if not closest_distance or distance < closest_distance then
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recourse_closed = item
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closest_distance = distance
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end
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end
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local item_name = recourse_closed.name
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if item_name then -- prevent errors if something went wrong
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local item_name2 = item_name:gsub("^%l", string.upper):gsub('-', ' ') -- removing the - and making first letter capital
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local item_type = 'item'
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if item_name == 'crude-oil' then
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item_type = 'fluid'
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end
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entity.backer_name = config.station_name:gsub('__icon__', '[img=' .. item_type .. '.' .. item_name .. ']')
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:gsub('__item_name__', item_name2)
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:gsub('__backer_name__', entity.backer_name)
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:gsub('__direction__', Angle(entity))
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:gsub('__x__', math.floor(entity.position.x))
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:gsub('__y__', math.floor(entity.position.y))
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end
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end
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end
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end
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-- Add handler to robot and player build entities
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Event.add(defines.events.on_built_entity, station_name_changer)
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Event.add(defines.events.on_robot_built_entity, station_name_changer)
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