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mist.lua
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--[[
]]
--MiST Mission Scripting Tools
mist = {}
-- don't change these
mist.majorVersion = 3
mist.minorVersion = 6
mist.build = 43
--------------------------------------------------------------------------------------------------------------
-- the main area
do
local coroutines = {}
local tempSpawnedUnits = {} -- birth events added here
local mistAddedObjects = {} -- mist.dynAdd unit data added here
local mistAddedGroups = {} -- mist.dynAdd groupdata added here
local writeGroups = {}
local function update_alive_units() -- coroutine function
local lalive_units = mist.DBs.aliveUnits -- local references for faster execution
local lunits = mist.DBs.unitsByNum
local ldeepcopy = mist.utils.deepCopy
local lUnit = Unit
local lremovedAliveUnits = mist.DBs.removedAliveUnits
local updatedUnits = {}
if #lunits > 0 then
local units_per_run = math.ceil(#lunits/20)
if units_per_run < 5 then
units_per_run = 5
end
for i = 1, #lunits do
if lunits[i].category ~= 'static' then -- can't get statics with Unit.getByName :(
local unit = lUnit.getByName(lunits[i].unitName)
if unit then
--print('unit named ' .. lunits[i].unitName .. ' alive!')
local pos = unit:getPosition()
local newtbl = ldeepcopy(lunits[i])
if pos then
newtbl['pos'] = pos.p
end
newtbl['unit'] = unit
--newtbl['rt_id'] = unit.id_
lalive_units[unit.id_] = newtbl
updatedUnits[unit.id_] = true
end
end
if i%units_per_run == 0 then
--print('yielding at: ' .. tostring(i))
coroutine.yield()
--print('resuming at: ' .. tostring(i))
end
end
-- All units updated, remove any "alive" units that were not updated- they are dead!
for unit_id, unit in pairs(lalive_units) do
if not updatedUnits[unit_id] then
lremovedAliveUnits[unit_id] = unit
lalive_units[unit_id] = nil
end
end
end
end
local function dbUpdate(event)
local newTable = {}
newTable['startTime'] = timer.getAbsTime()
if type(event) == 'string' then -- if name of an object.
--env.info('event')
local newObject
local newType = 'group'
if Group.getByName(event) then
newObject = Group.getByName(event)
elseif StaticObject.getByName(event) then
newObject = StaticObject.getByName(event)
newType = 'static'
-- env.info('its static')
else
env.info('WTF')
return false
end
newTable.name = newObject:getName()
newTable.groupId = tonumber(newObject:getID())
newTable.groupName = newObject:getName()
local unitOneRef
if newType == 'static' then
unitOneRef = newObject
newTable.countryId = tonumber(newObject:getCountry())
newTable.coalitionId = tonumber(newObject:getCoalition())
newTable.category = 'static'
else
unitOneRef = newObject:getUnits()
newTable.countryId = tonumber(unitOneRef[1]:getCountry())
newTable.coalitionId = tonumber(unitOneRef[1]:getCoalition())
newTable.category = tonumber(newObject:getCategory())
end
for countryData, countryId in pairs(country.id) do
if newTable.country and string.upper(countryData) == string.upper(newTable.country) or countryId == newTable.countryId then
newTable['countryId'] = countryId
newTable['country'] = string.lower(countryData)
for coaData, coaId in pairs(coalition.side) do
if coaId == coalition.getCountryCoalition(countryId) then
newTable['coalition'] = string.lower(coaData)
end
end
end
end
for catData, catId in pairs(Unit.Category) do
if Group.getByName(newTable.groupName):isExist() then
if catId == Group.getByName(newTable.groupName):getCategory() then
newTable['category'] = string.lower(catData)
end
elseif StaticObject.getByName(newTable.groupName):isExist() then
if catId == StaticObject.getByName(newTable.groupName):getCategory() then
newTable['category'] = string.lower(catData)
end
end
end
local gfound = false
for index, data in pairs(mistAddedGroups) do
if mist.stringMatch(data.name, newTable.groupName) == true then
gfound = true
newTable.task = data.task
newTable.modulation = data.modulation
newTable.uncontrolled = data.uncontrolled
newTable.radioSet = data.radioSet
mistAddedGroups[index] = nil
end
end
if gfound == false then
newTable.uncontrolled = false
end
newTable.units = {}
if newType == 'group' then
for unitId, unitData in pairs(unitOneRef) do
newTable.units[unitId] = {}
newTable.units[unitId].unitName = unitData:getName()
newTable.units[unitId].x = mist.utils.round(unitData:getPosition().p.x)
newTable.units[unitId].y = mist.utils.round(unitData:getPosition().p.z)
newTable.units[unitId].point = {}
newTable.units[unitId].point.x = newTable.units[unitId].x
newTable.units[unitId].point.y = newTable.units[unitId].y
newTable.units[unitId].alt = mist.utils.round(unitData:getPosition().p.y)
newTable.units[unitId].speed = mist.vec.mag(unitData:getVelocity())
newTable.units[unitId].heading = mist.getHeading(unitData, true)
newTable.units[unitId].type = unitData:getTypeName()
newTable.units[unitId].unitId = tonumber(unitData:getID())
newTable.units[unitId].groupName = newTable.groupName
newTable.units[unitId].groupId = newTable.groupId
newTable.units[unitId].countryId = newTable.countryId
newTable.units[unitId].coalitionId = newTable.coalitionId
newTable.units[unitId].coalition = newTable.coalition
newTable.units[unitId].country = newTable.country
local found = false
for index, data in pairs(mistAddedObjects) do
if mist.stringMatch(data.name, newTable.units[unitId].unitName) == true then
found = true
newTable.units[unitId].livery_id = data.livery_id
newTable.units[unitId].skill = data.skill
newTable.units[unitId].alt_type = data.alt_type
newTable.units[unitId].callsign = data.callsign
newTable.units[unitId].psi = data.psi
mistAddedObjects[index] = nil
end
if found == false then
newTable.units[unitId].skill = "High"
newTable.units[unitId].alt_type = "BARO"
end
end
end
else -- its a static
newTable.units[1] = {}
newTable.units[1].unitName = newObject:getName()
newTable.units[1].x = mist.utils.round(newObject:getPosition().p.x)
newTable.units[1].y = mist.utils.round(newObject:getPosition().p.z)
newTable.units[1].point = {}
newTable.units[1].point.x = newTable.units[1].x
newTable.units[1].point.y = newTable.units[1].y
newTable.units[1].alt = mist.utils.round(newObject:getPosition().p.y)
newTable.units[1].heading = mist.getHeading(newObject, true)
newTable.units[1].type = newObject:getTypeName()
newTable.units[1].unitId = tonumber(newObject:getID())
newTable.units[1].groupName = newTable.name
newTable.units[1].groupId = newTable.groupId
newTable.units[1].countryId = newTable.countryId
newTable.units[1].country = newTable.country
newTable.units[1].coalitionId = newTable.coalitionId
newTable.units[1].coalition = newTable.coalition
----- search mist added objects for extra data if applicable
for index, data in pairs(mistAddedObjects) do
if mist.stringMatch(data.name, newTable.units[1].unitName) == true then
newTable.units[1].shape_name = data.shape_name -- for statics
newTable.units[1].livery_id = data.livery_id
newTable.units[1].airdromeId = data.airdromeId
mistAddedObjects[index] = nil
end
end
end
end
newTable['timeAdded'] = timer.getAbsTime() -- only on the dynGroupsAdded table. For other reference, see start time
--mist.debug.dumpDBs()
--end
return newTable
end
local function checkSpawnedEvents()
if #tempSpawnedUnits > 0 then
local groupsToAdd = {}
local ltemp = tempSpawnedUnits
local ltable = table
local updatesPerRun = math.ceil(#tempSpawnedUnits/20)
if updatesPerRun < 5 then
updatesPerRun = 5
end
--env.info(#groupsToAdd)
--env.info(#tempSpawnedUnits)
for x = 1, #tempSpawnedUnits do
local spawnedObj = ltemp[x]
if spawnedObj and spawnedObj:isExist() then
local found = false
for index, name in pairs(groupsToAdd) do
if spawnedObj:getCategory() == 1 then -- normal groups
if mist.stringMatch(spawnedObj:getGroup():getName(), name) == true then
found = true
break
end
elseif spawnedObj:getCategory() == 3 then -- static objects
if mist.stringMatch(spawnedObj:getName(), name) == true then
found = true
break
end
end
end
if found == false then
if spawnedObj:getCategory() == 1 then -- normal groups
groupsToAdd[#groupsToAdd + 1] = spawnedObj:getGroup():getName()
elseif spawnedObj:getCategory() == 3 then -- static objects
groupsToAdd[#groupsToAdd + 1] = spawnedObj:getName()
end
end
end
table.remove(ltemp, x)
if x%updatesPerRun == 0 then
coroutine.yield()
end
end
if #groupsToAdd > 0 then
for groupId, groupName in pairs(groupsToAdd) do
if not mist.DBs.groupsByName[groupName] or mist.DBs.groupsByName[groupName] and mist.DBs.groupsByName[groupName].startTime + 10 < timer.getAbsTime() then
writeGroups[#writeGroups + 1] = dbUpdate(groupName)
end
end
end
end
end
local function updateDBTables()
local i = 0
for index, newTable in pairs(writeGroups) do
i = i + 1
end
local savesPerRun = math.ceil(i/10)
if savesPerRun < 5 then
savesPerRun = 5
end
if i > 0 then
local ldeepCopy = mist.utils.deepCopy
for x = 1, i do
local newTable = writeGroups[x]
local mistCategory
if type(newTable.category) == 'string' then
mistCategory = string.lower(newTable.category)
end
if string.upper(newTable['category']) == 'GROUND_UNIT' then
mistCategory = 'vehicle'
newTable['category'] = mistCategory
elseif string.upper(newTable['category']) == 'AIRPLANE' then
mistCategory = 'plane'
newTable['category'] = mistCategory
elseif string.upper(newTable['category']) == 'HELICOPTER' then
mistCategory = 'helicopter'
newTable['category'] = mistCategory
elseif string.upper(newTable['category']) == 'SHIP' then
mistCategory = 'ship'
newTable['category'] = mistCategory
end
for newId, newUnitData in pairs(newTable.units) do
newUnitData.category = mistCategory
if newUnitData.unitId then
mist.DBs.unitsById[tonumber(newUnitData.unitId)] = ldeepCopy(newUnitData)
end
mist.DBs.unitsByName[newUnitData.unitName] = ldeepCopy(newUnitData)
mist.DBs.unitsByCat[mistCategory][#mist.DBs.unitsByCat[mistCategory] + 1] = ldeepCopy(newUnitData)
mist.DBs.unitsByNum[#mist.DBs.unitsByNum + 1] = ldeepCopy(newUnitData)
end
-- this is a really annoying DB to populate. Gotta create new tables in case its missing
if not mist.DBs.units[newTable.coalition] then
mist.DBs.units[newTable.coalition] = {}
end
if not mist.DBs.units[newTable.coalition][newTable.country] then
mist.DBs.units[newTable.coalition][(newTable.country)] = {}
mist.DBs.units[newTable.coalition][(newTable.country)]['countryId'] = newTable.countryId
end
if not mist.DBs.units[newTable.coalition][newTable.country][mistCategory] then
mist.DBs.units[newTable.coalition][(newTable.country)][mistCategory] = {}
end
mist.DBs.units[newTable.coalition][(newTable.country)][mistCategory][#mist.DBs.units[newTable.coalition][(newTable.country)][mistCategory] + 1] = ldeepCopy(newTable)
if newTable.groupId then
mist.DBs.groupsById[newTable.groupId] = ldeepCopy(newTable)
end
mist.DBs.groupsByName[newTable.name] = ldeepCopy(newTable)
mist.DBs.dynGroupsAdded[#mist.DBs.dynGroupsAdded + 1] = ldeepCopy(newTable)
writeGroups[x] = nil
if x%savesPerRun == 0 then
coroutine.yield()
end
end
end
end
local update_alive_units_counter = 0
local write_DB_table_counter = 0
local check_spawn_events_counter = 0
-- THE MAIN FUNCTION -- Accessed 100 times/sec.
mist.main = function()
timer.scheduleFunction(mist.main, {}, timer.getTime() + 0.01) --reschedule first in case of Lua error
----------------------------------------------------------------------------------------------------------
--area to add new stuff in
write_DB_table_counter = write_DB_table_counter + 1
if write_DB_table_counter == 10 then
write_DB_table_counter = 0
if not coroutines.updateDBTables then
coroutines['updateDBTables'] = coroutine.create(updateDBTables)
end
coroutine.resume(coroutines.updateDBTables)
if coroutine.status(coroutines.updateDBTables) == 'dead' then
coroutines.updateDBTables = nil
end
end
check_spawn_events_counter = check_spawn_events_counter + 1
if check_spawn_events_counter == 10 then
check_spawn_events_counter = 0
if not coroutines.checkSpawnedEvents then
coroutines['checkSpawnedEvents'] = coroutine.create(checkSpawnedEvents)
end
coroutine.resume(coroutines.checkSpawnedEvents)
if coroutine.status(coroutines.checkSpawnedEvents) == 'dead' then
coroutines.checkSpawnedEvents = nil
end
end
-----------------------------------------------------------------------------------------------------------
--updating alive units
update_alive_units_counter = update_alive_units_counter + 1
if update_alive_units_counter == 5 then
update_alive_units_counter = 0
if not coroutines.update_alive_units then
coroutines['update_alive_units'] = coroutine.create(update_alive_units)
end
coroutine.resume(coroutines.update_alive_units)
if coroutine.status(coroutines.update_alive_units) == 'dead' then
coroutines.update_alive_units = nil
end
end
mist.do_scheduled_functions()
end -- end of mist.main
--------------------------------------------
------------ mist dyn add stuff for coroutines
local mistGpId = 7000
local mistUnitId = 7000
local mistDynAddIndex = 1
mist.nextGroupId = 1
mist.nextUnitId = 1
mist.getNextUnitId = function()
mist.nextUnitId = mist.nextUnitId + 1
if mist.nextUnitId > 6900 then
mist.nextUnitId = 14000
end
return mist.nextUnitId
end
mist.getNextGroupId = function()
mist.nextGroupId = mist.nextGroupId + 1
if mist.nextGroupId > 6900 then
mist.nextGroupId = 14000
end
return mist.nextGroupId
end
local function groupSpawned(event)
if event.id == world.event.S_EVENT_BIRTH and timer.getTime0() < timer.getAbsTime()then -- dont need to add units spawned in at the start of the mission if mist is loaded in init line
table.insert(tempSpawnedUnits,(event.initiator))
end
end
mist.dynAddStatic = function(staticObj)
local newObj = {}
newObj.groupId = staticObj.groupId
newObj.category = staticObj.category
newObj.type = staticObj.type
newObj.unitId = staticObj.unitId
newObj.y = staticObj.y
newObj.x = staticObj.x
newObj.heading = staticObj.heading
newObj.name = staticObj.name
newObj.dead = staticObj.dead
newObj.country = staticObj.country
newObj.clone = staticObj.clone
newObj.shape_name = newObj.shape_name
if staticObj.units then -- if its mist format
newObj.groupId = staticObj.units[1].groupId
newObj.category = staticObj.units[1].category
newObj.type = staticObj.units[1].type
newObj.unitId = staticObj.units[1].unitId
newObj.y = staticObj.units[1].y
newObj.x = staticObj.units[1].x
newObj.heading = staticObj.units[1].heading
newObj.name = staticObj.units[1].name
newObj.dead = staticObj.units[1].dead
newObj.country = staticObj.units[1].country
newObj.shape_name = staticObj.units[1].shape_name
end
newObj.country = staticObj.country
if not newObj.country then
return false
end
local newCountry
for countryName, countryId in pairs(country.id) do
if type(newObj.country) == 'string' then
if tostring(countryName) == string.upper(newObj.country) then
newCountry = countryName
end
elseif type(newObj.country) == 'number' then
if countryId == newObj.country then
newCountry = countryName
end
end
end
if newObj.clone or not newObj.groupId then
mistGpId = mistGpId + 1
newObj.groupId = mistGpId
end
if newObj.clone or not newObj.unitId then
mistUnitId = mistUnitId + 1
newObj.unitId = mistUnitId
end
if newObj.clone or not newObj.name then
mistDynAddIndex = mistDynAddIndex + 1
newObj.name = (newCountry .. ' static ' .. mistDynAddIndex)
end
if not newObj.dead then
newObj.dead = false
end
if not newObj.heading then
newObj.heading = math.random(360)
end
if newObj.x and newObj.y and newObj.type and type(newObj.x) == 'number' and type(newObj.y) == 'number' and type(newObj.type) == 'string' then
coalition.addStaticObject(country.id[newCountry], newObj)
return newObj
end
return false
end
mist.dynAdd = function(newGroup) -- same as coalition.add function in SSE. checks the passed data to see if its valid.
--Will generate groupId, groupName, unitId, and unitName if needed
--
--env.info('dynAdd')
local cntry = newGroup.country
local groupType = newGroup.category
local newCountry = ''
-- validate data
for countryName, countryId in pairs(country.id) do
if type(cntry) == 'string' then
if tostring(countryName) == string.upper(cntry) then
newCountry = countryName
end
elseif type(cntry) == 'number' then
if countryId == cntry then
newCountry = countryName
end
end
end
if newCountry == '' then
return false
end
local newCat = ''
for catName, catId in pairs(Unit.Category) do
if type(groupType) == 'string' then
if tostring(catName) == string.upper(groupType) then
newCat = catName
end
elseif type(groupType) == 'number' then
if catId == groupType then
newCat = catName
end
end
if catName == 'GROUND_UNIT' and (string.upper(groupType) == 'VEHICLE' or string.upper(groupType) == 'GROUND') then
newCat = 'GROUND_UNIT'
elseif catName == 'AIRPLANE' and string.upper(groupType) == 'PLANE' then
newCat = 'AIRPLANE'
end
end
local typeName
if newCat == 'GROUND_UNIT' then
typeName = ' gnd '
elseif newCat == 'AIRPLANE' then
typeName = ' air '
elseif newCat == 'HELICOPTER' then
typeName = ' hel '
elseif newCat == 'SHIP' then
typeName = ' shp '
elseif newCat == 'BUILDING' then
typeName = ' bld '
end
if newGroup.clone or not newGroup.groupId then
mistDynAddIndex = mistDynAddIndex + 1
mistGpId = mistGpId + 1
newGroup.groupId = mistGpId
end
if newGroup.groupName or newGroup.name then
if newGroup.groupName then
newGroup['name'] = newGroup.groupName
elseif newGroup.name then
newGroup['name'] = newGroup.name
end
end
if newGroup.clone and mist.DBs.groupsByName[newGroup.name] or not newGroup.name then
newGroup['name'] = tostring(tostring(cntry) .. tostring(typeName) .. mistDynAddIndex)
end
for unitIndex, unitData in pairs(newGroup.units) do
local originalName = newGroup.units[unitIndex].unitName or newGroup.units[unitIndex].name
if newGroup.clone or not unitData.unitId then
mistUnitId = mistUnitId + 1
newGroup.units[unitIndex]['unitId'] = mistUnitId
end
if newGroup.units[unitIndex].unitName or newGroup.units[unitIndex].name then
if newGroup.units[unitIndex].unitName then
newGroup.units[unitIndex].name = newGroup.units[unitIndex].unitName
elseif newGroup.units[unitIndex].name then
newGroup.units[unitIndex].name = newGroup.units[unitIndex].name
end
end
if newGroup.clone or not unitData.name then
newGroup.units[unitIndex].name = tostring(newGroup.name .. ' unit' .. unitIndex)
end
if not unitData.skill then
newGroup.units[unitIndex].skill = 'Random'
end
if not unitData.alt then
if newCat == 'AIRPLANE' then
newGroup.units[unitIndex].alt = 2000
newGroup.units[unitIndex].alt_type = 'RADIO'
newGroup.units[unitIndex].speed = 150
elseif newCat == 'HELICOPTER' then
newGroup.units[unitIndex].alt = 500
newGroup.units[unitIndex].alt_type = 'RADIO'
newGroup.units[unitIndex].speed = 60
else
--[[env.info('check height')
newGroup.units[unitIndex].alt = land.getHeight({x = newGroup.units[unitIndex].x, y = newGroup.units[unitIndex].y})
newGroup.units[unitIndex].alt_type = 'BARO']]
end
end
if newCat == 'AIRPLANE' or newCat == 'HELICOPTER' then
if newGroup.units[unitIndex].alt_type and newGroup.units[unitIndex].alt_type ~= 'BARO' or not newGroup.units[unitIndex].alt_type then
newGroup.units[unitIndex].alt_type = 'RADIO'
end
if not unitData.speed then
if newCat == 'AIRPLANE' then
newGroup.units[unitIndex].speed = 150
elseif newCat == 'HELICOPTER' then
newGroup.units[unitIndex].speed = 60
end
end
if not unitData.payload then
newGroup.units[unitIndex].payload = mist.getPayload(originalName)
end
end
mistAddedObjects[#mistAddedObjects + 1] = mist.utils.deepCopy(newGroup.units[unitIndex])
end
mistAddedGroups[#mistAddedGroups + 1] = mist.utils.deepCopy(newGroup)
if newGroup.route and not newGroup.route.points then
if not newGroup.route.points and newGroup.route[1] then
local copyRoute = newGroup.route
newGroup.route = {}
newGroup.route.points = copyRoute
end
end
newGroup.country = newCountry
--mist.debug.writeData(mist.utils.serialize,{'msg', newGroup}, 'newGroup.lua')
-- sanitize table
newGroup.groupName = nil
newGroup.clone = nil
newGroup.category = nil
newGroup.country = nil
newGroup.tasks = {}
newGroup.visible = false
for unitIndex, unitData in pairs(newGroup.units) do
newGroup.units[unitIndex].unitName = nil
end
coalition.addGroup(country.id[newCountry], Unit.Category[newCat], newGroup)
return newGroup
end
---------------------------------------------------------------------------------------------
--Modified Slmod task scheduler, superior to timer.scheduleFunction
local Tasks = {}
local task_id = 0
--[[ mist.scheduleFunction:
int id = mist.schedule_task(f function, vars table, t number, rep number, st number)
id - integer id of this function task
f - function to run
vars - table of vars for that function
t - time to run function
rep - time between repetitions of this function (OPTIONAL)
st - time when repetitions of this function will stop automatically (OPTIONAL)
]]
mist.scheduleFunction = function(f, vars, t, rep, st)
--verify correct types
assert(type(f) == 'function', 'variable 1, expected function, got ' .. type(f))
assert(type(vars) == 'table' or vars == nil, 'variable 2, expected table or nil, got ' .. type(f))
assert(type(t) == 'number', 'variable 3, expected number, got ' .. type(t))
assert(type(rep) == 'number' or rep == nil, 'variable 4, expected number or nil, got ' .. type(rep))
assert(type(st) == 'number' or st == nil, 'variable 5, expected number or nil, got ' .. type(st))
if not vars then
vars = {}
end
task_id = task_id + 1
table.insert(Tasks, {f = f, vars = vars, t = t, rep = rep, st = st, id = task_id})
return task_id
end
-- removes a scheduled function based on the function's id. returns true if successful, false if not successful.
mist.removeFunction = function(id)
local i = 1
while i <= #Tasks do
if Tasks[i].id == id then
table.remove(Tasks, i)
else
i = i + 1
end
end
end
--------------------------------------------------------------------------------------------------------------------
-- not intended for users to use this function.
mist.do_scheduled_functions = function()
local i = 1
while i <= #Tasks do
if not Tasks[i].rep then -- not a repeated process
if Tasks[i].t <= timer.getTime() then
local Task = Tasks[i] -- local reference
table.remove(Tasks, i)
local err, errmsg = pcall(Task.f, unpack(Task.vars, 1, table.maxn(Task.vars)))
if not err then
env.info('mist.scheduleFunction, error in scheduled function: ' .. errmsg)
end
--Task.f(unpack(Task.vars, 1, table.maxn(Task.vars))) -- do the task, do not increment i
else
i = i + 1
end
else
if Tasks[i].st and Tasks[i].st <= timer.getTime() then --if a stoptime was specified, and the stop time exceeded
table.remove(Tasks, i) -- stop time exceeded, do not execute, do not increment i
elseif Tasks[i].t <= timer.getTime() then
local Task = Tasks[i] -- local reference
Task.t = timer.getTime() + Task.rep --schedule next run
local err, errmsg = pcall(Task.f, unpack(Task.vars, 1, table.maxn(Task.vars)))
if not err then
env.info('mist.scheduleFunction, error in scheduled function: ' .. errmsg)
end
--Tasks[i].f(unpack(Tasks[i].vars, 1, table.maxn(Tasks[i].vars))) -- do the task
i = i + 1
else
i = i + 1
end
end
end
end
local idNum = 0
--Simplified event handler
mist.addEventHandler = function(f) --id is optional!
local handler = {}
idNum = idNum + 1
handler.id = idNum
handler.f = f
handler.onEvent = function(self, event)
self.f(event)
end
world.addEventHandler(handler)
end
mist.removeEventHandler = function(id)
for key, handler in pairs(world.eventHandlers) do
if handler.id and handler.id == id then
world.eventHandlers[key] = nil
return true
end
end
return false
end
mist.addEventHandler(groupSpawned)
-- mist.scheduleFunction(checkSpawnedEvents, {}, timer.getTime() + 5, 1)
end
------------------------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------
-- Utils- conversion, Lua utils, etc.
mist.utils = {}
mist.utils.toDegree = function(angle)
return angle*180/math.pi
end
mist.utils.toRadian = function(angle)
return angle*math.pi/180
end
mist.utils.metersToNM = function(meters)
return meters/1852
end
mist.utils.metersToFeet = function(meters)
return meters/0.3048
end
mist.utils.NMToMeters = function(NM)
return NM*1852
end
mist.utils.feetToMeters = function(feet)
return feet*0.3048
end
mist.utils.mpsToKnots = function(mps)
return mps*3600/1852
end
mist.utils.mpsToKmph = function(mps)
return mps*3.6
end
mist.utils.knotsToMps = function(knots)
return knots*1852/3600
end
mist.utils.kmphToMps = function(kmph)
return kmph/3.6
end
function mist.utils.makeVec2(Vec3)
if Vec3.z then
return {x = Vec3.x, y = Vec3.z}
else
return {x = Vec3.x, y = Vec3.y} -- it was actually already vec2.
end
end
function mist.utils.makeVec3(Vec2, y)
if not Vec2.z then
if not y then
y = 0
end
return {x = Vec2.x, y = y, z = Vec2.y}
else
return {x = Vec2.x, y = Vec2.y, z = Vec2.z} -- it was already Vec3, actually.
end
end
function mist.utils.makeVec3GL(Vec2, offset)
local adj = offset or 0
if not Vec2.z then
return {x = Vec2.x, y = (land.getHeight(Vec2) + adj), z = Vec2.y}
else
return {x = Vec2.x, y = (land.getHeight({x = Vec2.x, y = Vec2.z}) + adj), z = Vec2.z}
end
end
mist.utils.zoneToVec3 = function(zone)
local new = {}
if type(zone) == 'table' and zone.point then
new.x = zone.point.x
new.y = zone.point.y
new.z = zone.point.z
return new
elseif type(zone) == 'string' then
zone = trigger.misc.getZone(zone)
if zone then
new.x = zone.point.x
new.y = zone.point.y
new.z = zone.point.z
return new
end
end
end
-- gets heading-error corrected direction from point along vector vec.
function mist.utils.getDir(vec, point)
local dir = math.atan2(vec.z, vec.x)
dir = dir + mist.getNorthCorrection(point)
if dir < 0 then
dir = dir + 2*math.pi -- put dir in range of 0 to 2*pi
end
return dir
end
-- gets distance in meters between two points (2 dimensional)
function mist.utils.get2DDist(point1, point2)
point1 = mist.utils.makeVec3(point1)
point2 = mist.utils.makeVec3(point2)
return mist.vec.mag({x = point1.x - point2.x, y = 0, z = point1.z - point2.z})
end
-- gets distance in meters between two points (3 dimensional)
function mist.utils.get3DDist(point1, point2)
return mist.vec.mag({x = point1.x - point2.x, y = point1.y - point2.y, z = point1.z - point2.z})
end
--from http://lua-users.org/wiki/CopyTable
mist.utils.deepCopy = function(object)
local lookup_table = {}
local function _copy(object)
if type(object) ~= "table" then
return object
elseif lookup_table[object] then
return lookup_table[object]
end
local new_table = {}
lookup_table[object] = new_table
for index, value in pairs(object) do
new_table[_copy(index)] = _copy(value)
end
return setmetatable(new_table, getmetatable(object))
end
return _copy(object)
end
-- From http://lua-users.org/wiki/SimpleRound
-- use negative idp for rounding ahead of decimal place, positive for rounding after decimal place
mist.utils.round = function(num, idp)
local mult = 10^(idp or 0)
return math.floor(num * mult + 0.5) / mult
end
-- porting in Slmod's dostring
mist.utils.dostring = function(s)
local f, err = loadstring(s)
if f then
return true, f()
else
return false, err
end
end
--[[ mist.utils.typeCheck(fname, type_tbl, var_tbl)
Type-checking function:
Checks a var_tbl to a type_tbl. Returns true if the var_tbl passes the type check, returns false plus an error message if the var_tbl fails.
type_tbl examples:
type_tbl = { {'table', 'number'}, 'string', 'number', 'number', {'string', 'nil'}, {'number', 'nil'} }
Compare to a var_tbl with up to six entries; var_tbl index 1 must be a table or a number; index 2, a string; index 3, a number;
index 4, a number; index 5, either a string or nil; and index 6, either a number or nil.
Another example:
type_tbl = { {'text', 'msg', 'text_out'} = 'string', display_time = 'number', display_mode = {'string', 'nil'} coa = {'string', 'nil'}}
var_tbl must have a string at one of the following table keys: "text", "msg", or "text_out". var_tbl must have a number at table key "display_time",
the table key "display_mode" must be either a string or nil, and the table key "coa" must be either a string or nil.
]]
function mist.utils.typeCheck(fname, type_tbl, var_tbl)
--env.info('type check')
for type_key, type_val in pairs(type_tbl) do
--print('type_key:')
--print(type_key)
--print('type_val:')
--print(type_val)
--type_key can be a table of accepted keys- so try to find one that is not nil
local type_key_str = ''
local act_key = type_key -- actual key within var_tbl - necessary to use for multiple possible key variables. Initialize to type_key
if type(type_key) == 'table' then
for i = 1, #type_key do
if i ~= 1 then
type_key_str = type_key_str .. '/'
end
type_key_str = type_key_str .. tostring(type_key[i])
if var_tbl[type_key[i]] ~= nil then