Mission units destroyed are stored in a json file being written mission runtime. (First step that will remove the need to save the debriefing manually after mission)

Using Mist framework to do this in the mission script env.

resources/scripts/dcs_liberation.lua

@@ -0,0 +1,50 @@
+local jsonlib = lfs.writedir() .. "Scripts\\DCSLiberation\\json.lua"
+json = loadfile(jsonlib)()
+
+killed_aircrafts = {};
+killed_ground_units = {};
+weapons_fired = {}
+
+local function messageAll(message)
+    local msg = {}
+    msg.text = message
+    msg.displayTime = 25
+    msg.msgFor = {coa = {'all'}}
+    mist.message.add(msg)
+end
+
+write_state = function()
+    log("Writing DCS Liberation State...")
+    local stateFile = lfs.writedir()..[[Scripts\DCSLiberation\state.json]]
+    local fp = io.open(stateFile, 'w')
+    local game_state = {
+        ["killed_aircrafts"] = killed_aircrafts,
+        ["killed_ground_units"] = killed_ground_units,
+        ["weapons_fired"] = weapons_fired,
+    }
+    fp:write(json:encode(game_state))
+    fp:close()
+    log("Done writing DCS Liberation state.")
+end
+
+mist.scheduleFunction(write_state, {}, timer.getTime() + 10, 60, timer.getTime() + 3600)
+
+activeWeapons = {}
+local function onCrash(event)
+   if event.id == world.event.S_EVENT_CRASH and event.initiator then
+       messageAll("Crash :" .. event.initiator.getName(event.initiator))
+       killed_aircrafts[#killed_aircrafts + 1] = event.initiator.getName(event.initiator)
+   end
+
+    if event.id == world.event.S_EVENT_DEAD and event.initiator then
+        killed_ground_units[#killed_ground_units + 1] = event.initiator.getName(event.initiator)
+    end
+
+    if event.id == world.event.S_EVENT_SHOT and event.weapon then
+        weapons_fired[#weapons_fired + 1] = event.weapon.getTypeName(event.weapon)
+    end
+end
+
+
+
+mist.addEventHandler(onCrash)