Version 2.3.0

DCS Jul-11, Jul-22, Aug-09 code hardening.
NEW: Convoy and TWN

modules/twn.lua

@@ -0,0 +1,76 @@
+twn = {}
+twn.version = "1.0.1"
+twn.verbose = false 
+
+--[[--
+	A DML unicorn - doesn't require any other scripts to function 
+	(C) 2024 by Christian Franz 
+
+VERSION HISTORY
+1.0.0 - Initial version 
+1.0.1 - Sinai // SinaiMap switcharoo 
+
+--]]--
+
+function twn.closestTownTo(p) -- returns name, data, distance
+	if not towns then 
+		trigger.action.outText("+++twn: Towns undefined", 30)
+		return nil, nil, nil  
+	end
+	local closest = nil 
+	local theName = nil 
+	local smallest = math.huge
+	local x = p.x 
+	local z = p.z 
+	for name, entry in pairs(towns) do 
+		local dx = x - entry.p.x 
+		local dz = z - entry.p.z
+		local d = dx * dx + dz * dz -- no need to take square root 
+		if d < smallest then 
+			smallest = d 
+			closest = entry 
+			theName = name 
+		end
+	end
+	return theName, closest, smallest^0.5  -- root it!
+end
+
+function twn.start()
+	-- get my theater
+	local theater = env.mission.theatre 
+	-- map naming oddities 
+	if theater == "SinaiMap" then theater = "Sinai" end 
+	if twn.verbose then 
+		trigger.action.outText("theater is <" .. theater .. ">", 30)
+	end 
+	local path = "./Mods/terrains/" .. theater .. "/map/towns.lua"
+	-- assemble command 
+	local command = 't = loadfile("' .. path .. '"); if t then t(); return net.lua2json(towns); else return nil end'
+	if twn.verbose then 
+		trigger.action.outText("will run command <" .. command .. ">", 30)
+	end 
+	local json = net.dostring_in("gui", command)
+	
+	if json then 
+		towns = {}
+		traw = net.json2lua(json)
+		local count = 0 
+		for name, entry in pairs (traw) do 
+			local p = coord.LLtoLO(entry.latitude, entry.longitude,0)
+			entry.p = p 
+			towns[name] = entry
+			count = count + 1
+		end 
+		if twn.verbose then 
+			trigger.action.outText("+++twn: <" .. count .. "> town records processed", 30)
+		end 
+	else 
+		trigger.action.outText("+++twn: no towns accessible.", 30)
+		return false
+	end 
+	
+	trigger.action.outText("twn (towns importer) v " .. twn.version .. " started.", 30)
+	return true
+end
+
+twn.start()