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Create minimap core plugin based on gridworld plugin
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Danielv123 committed
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local clusterio_api = require("modules/clusterio/api")
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minimap = {}
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local function dump_mapview(position_a, position_b)
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-- Only process on the server
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if not storage.minimap or not storage.minimap.enabled then
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return
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end
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local tiles = game.surfaces[1].find_tiles_filtered{area = {position_a, position_b}}
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local map_data = {}
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local CHUNK_SIZE = position_b[1] - position_a[1]
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-- Fill map_data with black squares initially
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for x = 1, CHUNK_SIZE * CHUNK_SIZE do
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map_data[x] = string.format("%02x%02x%02x", 0, 0, 0)
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end
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-- Process each tile
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for _, tile in pairs(tiles) do
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local map_color = tile.prototype.map_color
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local position = tile.position
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local index = (position.x - position_a[1] + 1) + (position.y - position_a[2]) * CHUNK_SIZE
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if index >= 1 and index <= #map_data then
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map_data[index] = string.format("%02x%02x%02x", map_color.r, map_color.g, map_color.b)
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end
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end
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-- Send tile data to the plugin
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clusterio_api.send_json("minimap:tile_data", {
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type = "tiles",
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position = position_a,
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size = CHUNK_SIZE,
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data = table.concat(map_data, ";"),
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layer = "tiles_"
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})
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end
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local function dump_entities(entities)
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-- Only process on the server
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if not storage.minimap or not storage.minimap.enabled then
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return
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end
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local ignored_entities = {
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["character"] = true,
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["character-corpse"] = true,
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["highlight-box"] = true,
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["item-request-proxy"] = true,
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["tile-ghost"] = true,
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}
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local map_data = {}
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for _, entity in pairs(entities) do
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if entity and entity.valid and not ignored_entities[entity.type] then
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local position = entity.position
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local map_color = entity.prototype.friendly_map_color or
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entity.prototype.map_color or
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entity.prototype.enemy_map_color or
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{r = 255, g = 255, b = 255, a = 255}
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-- Determine entity size for drawing
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local size_x = math.max(1, math.ceil(math.abs(entity.bounding_box.right_bottom.x - entity.bounding_box.left_top.x)))
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local size_y = math.max(1, math.ceil(math.abs(entity.bounding_box.right_bottom.y - entity.bounding_box.left_top.y)))
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-- Add pixels for entity
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for x = 0, size_x - 1 do
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for y = 0, size_y - 1 do
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local pixel_x = position.x + x - (size_x - 1) / 2
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local pixel_y = position.y + y - (size_y - 1) / 2
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table.insert(map_data, pixel_x)
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table.insert(map_data, pixel_y)
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if entity.type == "entity-ghost" then
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-- Render ghosts as transparent purple
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table.insert(map_data, string.format("%02x%02x%02x%02x", 168, 0, 168, 127))
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else
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table.insert(map_data, string.format("%02x%02x%02x%02x",
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map_color.r or 255,
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map_color.g or 255,
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map_color.b or 255,
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map_color.a or 255))
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end
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end
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end
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end
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end
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if #map_data > 0 then
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-- Send entity data to the plugin
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clusterio_api.send_json("minimap:tile_data", {
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type = "pixels",
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data = table.concat(map_data, ";"),
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layer = ""
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})
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end
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end
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local function on_chunk_generated(event)
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if not storage.minimap or not storage.minimap.enabled then
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return
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end
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-- Process new entities in the generated chunk
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local entities = event.surface.find_entities_filtered({area = event.area})
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if #entities > 0 then
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dump_entities(entities)
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end
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-- Process tiles in the generated chunk
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local left_top = event.area.left_top
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local right_bottom = event.area.right_bottom
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dump_mapview({left_top.x, left_top.y}, {right_bottom.x, right_bottom.y})
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end
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local function on_entity_built(event)
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if not storage.minimap or not storage.minimap.enabled then
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return
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end
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if event.created_entity and event.created_entity.valid then
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dump_entities({event.created_entity})
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end
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end
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local function on_entity_removed(event)
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if not storage.minimap or not storage.minimap.enabled then
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return
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end
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-- For removed entities, we send a transparent pixel to "erase" them
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if event.entity and event.entity.position then
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local position = event.entity.position
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local map_data = {
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position.x, position.y, "00000000" -- Transparent pixel
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}
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clusterio_api.send_json("minimap:tile_data", {
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type = "pixels",
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data = table.concat(map_data, ";"),
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layer = ""
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})
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end
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end
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local function on_tile_changed(event)
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if not storage.minimap or not storage.minimap.enabled then
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return
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end
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-- Process changed tiles
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local tiles = {}
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for _, tile in pairs(event.tiles) do
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table.insert(tiles, tile.position)
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end
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if #tiles > 0 then
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local map_data = {}
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for _, position in pairs(tiles) do
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local tile = game.surfaces[1].get_tile(position)
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local map_color = tile.prototype.map_color
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table.insert(map_data, position.x)
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table.insert(map_data, position.y)
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table.insert(map_data, string.format("%02x%02x%02x%02x",
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map_color.r, map_color.g, map_color.b, 255))
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end
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clusterio_api.send_json("minimap:tile_data", {
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type = "pixels",
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data = table.concat(map_data, ";"),
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layer = "tiles_"
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})
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end
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end
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local function on_nth_tick_update()
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if not storage.minimap or not storage.minimap.enabled then
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return
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end
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-- Periodic update of entities (every ~5 seconds)
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storage.minimap.update_timer = (storage.minimap.update_timer or 0) + 1
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if storage.minimap.update_timer >= 300 then -- 5 seconds at 60 UPS
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storage.minimap.update_timer = 0
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-- Find all entities in a reasonable area around spawn
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local entities = game.surfaces[1].find_entities_filtered({
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area = {{-512, -512}, {512, 512}}
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})
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if #entities > 0 then
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dump_entities(entities)
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end
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end
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end
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-- Initialize the module
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local function init()
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if not storage.minimap then
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storage.minimap = {
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enabled = true,
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update_timer = 0
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}
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end
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end
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-- Export functions
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minimap.dump_mapview = dump_mapview
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minimap.dump_entities = dump_entities
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minimap.init = init
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-- Event handlers
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script.on_event(defines.events.on_chunk_generated, on_chunk_generated)
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script.on_event(defines.events.on_built_entity, on_entity_built)
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script.on_event(defines.events.on_robot_built_entity, on_entity_built)
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script.on_event(defines.events.on_entity_died, on_entity_removed)
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script.on_event(defines.events.on_player_mined_entity, on_entity_removed)
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script.on_event(defines.events.on_robot_mined_entity, on_entity_removed)
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script.on_event(defines.events.on_player_built_tile, on_tile_changed)
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script.on_event(defines.events.on_robot_built_tile, on_tile_changed)
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script.on_event(defines.events.on_player_mined_tile, on_tile_changed)
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script.on_event(defines.events.on_robot_mined_tile, on_tile_changed)
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script.on_event(defines.events.script_raised_set_tiles, on_tile_changed)
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-- Periodic updates
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script.on_nth_tick(60, on_nth_tick_update) -- Every second
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-- Initialize on load
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minimap.events = {}
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minimap.events[clusterio_api.events.on_server_startup] = init
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return minimap
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@@ -0,0 +1,4 @@
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{
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"name": "minimap",
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"load": ["minimap.lua"]
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}
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