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https://github.com/PHIDIAS0303/ExpCluster.git
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91 lines
3.7 KiB
Lua
91 lines
3.7 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("modules/exp_legacy/utils/event") --- @dep utils.event
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local config = require("modules.exp_legacy.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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