Refactor site properties

[narc0tiq]

If you take a look at

YARM/resmon/types.lua

Lines 49 to 101 in 484eaa6

	---@class yarm_site
	local site = {
	is_summary = false, -- true for summary sites generated by resmon.sites.generate_summaries
	site_count = 0, -- nonzero only for summaries (see above), where it contains the number of sites being summarized
	index = 0,
	name_tag = "", -- Player-set name tag added to the site display name
	added_at = game.tick,
	surface = entity.surface, ---@type LuaSurface
	force = player.force or game.forces.player,
	center = { x = 0, y = 0 },
	first_center = { x = 0, y = 0 },
	ore_type = entity.name, ---@type string Resource entity prototype name
	ore_name = entity.prototype.localised_name,
	tracker_indices = {},
	entity_count = 0,
	initial_amount = 0,
	amount = 0,
	amount_left = 0, -- like amount, but for infinite resources it excludes that minimum that the resource will always contain
	update_amount = 0, -- intermediate value while updating a site amount
	extents = {
	left = entity.position.x,
	right = entity.position.x,
	top = entity.position.y,
	bottom = entity.position.y,
	},
	next_to_scan = {},
	is_overlay_being_created = false,
	entities_to_be_overlaid = {},
	entities_to_be_overlaid_count = 0,
	next_to_overlay = {},
	next_to_overlay_count = 0,
	etd_minutes = -1,
	scanned_etd_minutes = -1,
	lifetime_etd_minutes = -1,
	ore_per_minute = 0, ---@type integer The current ore depletion rate, as of the last time the site was updated
	scanned_ore_per_minute = 0,
	lifetime_ore_per_minute = 0,
	etd_is_lifetime = true,
	last_ore_check = nil, -- tick when the site last finished counting its deposits
	last_modified_amount = nil, -- last amount when the site was modified
	last_modified_tick = nil, -- last tick when the site changed amount (may be older than last_ore_check if the site has not been mining)
	etd_minutes_delta = 0,
	ore_per_minute_delta = 0, ---@type integer The change in ore-per-minute since the last time we updated the site
	finalizing = false, -- true after finishing on-tick scans while waiting for player confirmation/cancellation
	finalizing_since = nil, -- tick number when finalizing turned true
	is_site_expanding = false, -- true when expanding an existing site
	has_expanded = false,
	original_amount = 0,
	remaining_permille = 1000,
	deleting_since = nil, -- tick number when player presses "delete" for the first time; if not pressed for the second time within 120 ticks, deletion is cancelled
	chart_tag = nil, ---@type LuaCustomChartTag? the associated chart tag (aka map marker) with the site name and amount
	iter_key = nil, -- used when iterating the site contents to remember how far we've gotten
	}

, there are 50 properties that a site has on creation, some of which are very closely related. There must be a better way.