Local missions should list distances in AU rather than Ly

In table of all player's accepted missions, display distance for
local deliveries in AU, and interstellar in LY.

data/pigui/modules/info-view/04-missions.lua

@@ -12,9 +12,12 @@ local textTable	= require 'pigui.libs.text-table'
 local PiGuiFace	= require 'pigui.libs.face'
 local InfoView	= require 'pigui.views.info-view'
 
+local AU = 1.4960 * 1e11
+
 local pionillium = ui.fonts.pionillium
 local orbiteer = ui.fonts.orbiteer
 local l = Lang.GetResource("ui-core")
+local lc = Lang.GetResource("core")
 
 local columnPadding = ui.rescaleUI(Vector2(18, 18), Vector2(1600, 900))
 local itemSpacing = ui.rescaleUI(Vector2(6, 12), Vector2(1600, 900))
@@ -102,13 +105,24 @@ local function makeMissionRows()
 		end
 
 		local playerSystem = Game.system or Game.player:GetHyperspaceTarget()
-		local dist = playerSystem:DistanceTo(mission.location)
 		local days = math.max(0, (mission.due - Game.time) / (24*60*60))
 
+		-- Use AU for interplanetary, LY for interstellar distances
+		local dist, dist_display
+		if mission.location:IsSameSystem(playerSystem.path) then
+			local systemBody = mission.location:GetSystemBody().body
+
+			dist = Game.player:GetPositionRelTo(systemBody):length() / AU
+			dist_display = string.format("\n%.2f %s", dist, lc.UNIT_AU)
+		else
+			dist = playerSystem:DistanceTo(mission.location)
+			dist_display = string.format("\n%.2f %s", dist, l.LY)
+		end
+
 		local row = {
 			mission:GetTypeDescription(),
 			mission.client.name,
-			locationName .. string.format("\n%.2f %s", dist, l.LY),
+			locationName .. dist_display,
 			ui.Format.Date(mission.due) .."\n".. string.format(l.D_DAYS_LEFT, days),
 			ui.Format.Money(mission.reward),
 		}