/// <summary>
/// Generates the data for the objectives.
/// </summary>
/// <param name="mission">The mission for which to generate objectives</param>
/// <param name="template">Mission template to use</param>
/// <param name="objectiveDB">Objective database entry</param>
private void GenerateObjectivesData(DCSMission mission, MissionTemplate template, DBEntryObjective objectiveDB, DBEntryTheater theaterDB)
{
// Keep in mind the position of the last objective/player location.
// Start with initial player location.
Coordinates lastCoordinates = mission.InitialPosition;
// Common family to use for all objectives if DBEntryObjectiveFlags.SingleTargetUnitFamily is set
UnitFamily singleObjectiveUnitFamily = objectiveDB.GetRandomUnitFamily();
for (int i = 0; i < template.ObjectiveCount; i++)
{
// Pick a random unique name, or a waypoint number if objectives shouldn't be named
string objectiveName = PickUniqueObjectiveName();
DebugLog.Instance.WriteLine($"Adding objective #{i + 1}, designated {objectiveName}", 1);
// Compute a random distance from last position, in nautical miles
double objectiveDistanceNM =
(template.ObjectiveDistanceNM == 0) ?
Toolbox.RandomInt(TemplateTools.MIN_OBJECTIVE_DISTANCE, TemplateTools.MAX_OBJECTIVE_DISTANCE) :
template.ObjectiveDistanceNM;
if (i > 0) // Objective is not the first one, spawn it close to the previous objective
{
objectiveDistanceNM /= 5.0;
}
MinMaxD distanceFromLast =
new MinMaxD(OBJECTIVE_DISTANCE_VARIATION_MIN, OBJECTIVE_DISTANCE_VARIATION_MAX) * objectiveDistanceNM;
Coordinates objectiveCoordinates;
DBEntryTheaterAirbase?airbase = null;
if (objectiveDB.UnitGroup.SpawnPoints[0] != TheaterLocationSpawnPointType.Airbase)
{
// Look for a valid spawn point
DBEntryTheaterSpawnPoint?spawnPoint =
SpawnPointSelector.GetRandomSpawnPoint(
// If spawn point types are specified, use them. Else look for spawn points of any type
(objectiveDB.UnitGroup.SpawnPoints.Length > 0) ? objectiveDB.UnitGroup.SpawnPoints : null,
// Select spawn points at a proper distance from last location (previous objective or home airbase)
lastCoordinates, distanceFromLast,
// Make sure no objective is too close to the initial location
mission.InitialPosition, new MinMaxD(objectiveDistanceNM * OBJECTIVE_DISTANCE_VARIATION_MIN, 999999999),
GeneratorTools.GetEnemySpawnPointCoalition(template));
// No spawn point found for the objective, abort mission creation.
if (!spawnPoint.HasValue)
{
throw new Exception($"Failed to find a spawn point for objective {i + 1}");
}
objectiveCoordinates = spawnPoint.Value.Coordinates;
}
else
{
airbase = new MissionGeneratorAirbases().SelectObjectiveAirbase(mission, template, theaterDB, lastCoordinates, distanceFromLast, i == 0);
if (!airbase.HasValue)
{
throw new Exception($"Failed to find a airbase point for objective {i + 1}");
}
objectiveCoordinates = airbase.Value.Coordinates;
}
// Set the waypoint coordinates according the the inaccuracy defined in the objective database entry
Coordinates waypointCoordinates =
objectiveCoordinates +
Coordinates.CreateRandom(objectiveDB.WaypointInaccuracy * Toolbox.NM_TO_METERS);
// Select an objective family for the target if any or default to VehicleTransport.
UnitFamily objectiveUnitFamily = singleObjectiveUnitFamily;
if (!objectiveDB.Flags.HasFlag(DBEntryObjectiveFlags.SingleTargetUnitFamily))
{
objectiveUnitFamily = objectiveDB.GetRandomUnitFamily();
}
// Set the mission objective
mission.Objectives[i] = new DCSMissionObjective(
objectiveName, objectiveCoordinates, objectiveUnitFamily, waypointCoordinates, airbase.HasValue? airbase.Value.DCSID: 0);
// Last position is now the position of this objective
lastCoordinates = objectiveCoordinates;
}
// If the target is a static object, make sure the correct flag is enabled as it has an influence of some scripts
mission.ObjectiveIsStatic = objectiveDB.UnitGroup.Category.HasValue && (objectiveDB.UnitGroup.Category.Value == UnitCategory.Static);
// Make sure objectives are ordered by distance from the players' starting location
mission.Objectives = mission.Objectives.OrderBy(x => mission.InitialPosition.GetDistanceFrom(x.WaypointCoordinates)).ToArray();
}
/// <summary>
/// Main unit generation method.
/// </summary>
/// <param name="mission">Mission to which generated units should be added</param>
/// <param name="template">Mission template to use</param>
/// <param name="objectiveDB">Mission objective database entry</param>
/// <param name="enemyCoalitionDB">Enemy coalition database entry</param>
/// <param name="aiEscortTypeCAP">Type of aircraft selected for player AI CAP escort (single-player only)</param>
/// <param name="aiEscortTypeSEAD">Type of aircraft selected for player AI SEAD escort (single-player only)</param>
public void CreateUnitGroups(DCSMission mission, MissionTemplate template, DBEntryObjective objectiveDB, DBEntryCoalition enemyCoalitionDB, string aiEscortTypeCAP, string aiEscortTypeSEAD)
{
if (objectiveDB.Flags.HasFlag(DBEntryObjectiveFlags.NoEnemyCAP))
{
DebugLog.Instance.WriteLine("Enemy CAP disabled for this mission objective type, not spawning any units", 1);
return;
}
int totalAirForcePower =
(int)(GetMissionPackageAirPower(template, objectiveDB, aiEscortTypeCAP, aiEscortTypeSEAD) *
Database.Instance.Common.EnemyCAPRelativePower[(int)template.SituationEnemyAirForce.Get()]);
DebugLog.Instance.WriteLine($"Enemy air power set to {totalAirForcePower}...", 1);
DCSMissionUnitGroupFlags flags = template.Realism.Contains(RealismOption.HideEnemyUnits) ? DCSMissionUnitGroupFlags.Hidden : 0;
int aircraftCount = 0;
int groupCount = 0;
while (totalAirForcePower > 0)
{
string[] unitTypes = enemyCoalitionDB.GetRandomUnits(UnitFamily.PlaneFighter, mission.DateTime.Decade, 1, template.UnitMods);
if (unitTypes.Length == 0)
{
DebugLog.Instance.WriteLine("No valid units found for enemy fighter patrols.", 1, DebugLogMessageErrorLevel.Warning);
break;
}
// Find spawn point at the proper distance from the objective(s), but not to close from starting airbase
DBEntryTheaterSpawnPoint?spawnPoint =
UnitMaker.SpawnPointSelector.GetRandomSpawnPoint(
null,
mission.ObjectivesCenter, Database.Instance.Common.EnemyCAPDistanceFromObjectives,
mission.InitialPosition, new MinMaxD(Database.Instance.Common.EnemyCAPMinDistanceFromTakeOffLocation, 99999),
GeneratorTools.GetEnemySpawnPointCoalition(template));
if (!spawnPoint.HasValue) // No spawn point found, stop here.
{
DebugLog.Instance.WriteLine("No spawn point found for enemy fighter patrol group.", 1, DebugLogMessageErrorLevel.Warning);
break;
}
int unitPower = Database.Instance.GetEntry <DBEntryUnit>(unitTypes[0]).AircraftData.AirToAirRating[1];
int groupSize = 1;
if (totalAirForcePower >= unitPower * 2)
{
groupSize = 2;
}
if (Toolbox.RandomDouble() < .3)
{
if (totalAirForcePower >= unitPower * 4)
{
groupSize = 4;
}
else if (totalAirForcePower >= unitPower * 3)
{
groupSize = 3;
}
}
totalAirForcePower -= unitPower * groupSize;
DCSMissionUnitGroup group = UnitMaker.AddUnitGroup(
mission, Enumerable.Repeat(unitTypes[0], groupSize).ToArray(),
Side.Enemy, spawnPoint.Value.Coordinates,
"GroupAircraftCAP", "UnitAircraft",
Toolbox.BRSkillLevelToDCSSkillLevel(template.SituationEnemySkillLevelAir),
flags, UnitTaskPayload.AirToAir,
mission.ObjectivesCenter + Coordinates.CreateRandom(20, 40) * Toolbox.NM_TO_METERS);
if (group == null)
{
DebugLog.Instance.WriteLine($"Failed to add a group of {groupSize}× {unitTypes[0]} at {spawnPoint.Value.Coordinates}", 1, DebugLogMessageErrorLevel.Warning);
}
else
{
DebugLog.Instance.WriteLine($"Added a group of {groupSize}× {unitTypes[0]} at {spawnPoint.Value.Coordinates}");
mission.AircraftSpawnQueue.Add(new DCSMissionAircraftSpawnQueueItem(group.GroupID, template.SituationEnemyCAPOnStationChance.RollChance()));
}
aircraftCount += groupSize;
groupCount++;
}
}
/// <summary>
/// Generates a <see cref="DCSMission"/> from a <see cref="MissionTemplate"/>
/// </summary>
/// <param name="template">The <see cref="MissionTemplate"/> to use</param>
/// <returns>A <see cref="DCSMission"/>, or nuLL if something when wrong</returns>
private DCSMission DoMissionGeneration(MissionTemplate template)
{
DateTime generationStartTime = DateTime.Now;
DebugLog.Instance.Clear();
DebugLog.Instance.WriteLine($"Starting mission generation...");
// Check for missing entries in the database
GeneratorTools.CheckDBForMissingEntry <DBEntryCoalition>(template.ContextCoalitionBlue);
GeneratorTools.CheckDBForMissingEntry <DBEntryCoalition>(template.ContextCoalitionRed);
GeneratorTools.CheckDBForMissingEntry <DBEntryObjective>(template.ObjectiveType);
GeneratorTools.CheckDBForMissingEntry <DBEntryTheater>(template.TheaterID);
// Create the mission and copy some values (theater database entry ID, etc.) from the template
DCSMission mission = new DCSMission();
CopyTemplateValues(mission, template);
// Get some DB entries from the database for easier reference
DBEntryCoalition[] coalitionsDB = new DBEntryCoalition[2];
coalitionsDB[(int)Coalition.Blue] = Database.Instance.GetEntry <DBEntryCoalition>(template.ContextCoalitionBlue);
coalitionsDB[(int)Coalition.Red] = Database.Instance.GetEntry <DBEntryCoalition>(template.ContextCoalitionRed);
DBEntryObjective objectiveDB;
if (template.ObjectiveType == "Random")
{
objectiveDB = Toolbox.RandomFrom <DBEntryObjective>(Database.Instance.GetAllEntries <DBEntryObjective>().Where(x => x.ID != "Random").ToArray());
}
else
{
objectiveDB = Database.Instance.GetEntry <DBEntryObjective>(template.ObjectiveType);
}
DBEntryTheater theaterDB = Database.Instance.GetEntry <DBEntryTheater>(template.TheaterID);
// Create the unit maker, which will be used to generate unit groups and their properties
UnitMaker unitMaker = new UnitMaker(coalitionsDB, theaterDB);
// Create a list of flight group descriptions which will be used in the briefing
List <UnitFlightGroupBriefingDescription> briefingFGList = new List <UnitFlightGroupBriefingDescription>();
// Setup airbases
DBEntryTheaterAirbase airbaseDB;
using (MissionGeneratorAirbases airbaseGen = new MissionGeneratorAirbases())
{
airbaseDB = airbaseGen.SelectStartingAirbase(mission, template, theaterDB, objectiveDB);
mission.InitialAirbaseID = airbaseDB.DCSID;
mission.InitialPosition = airbaseDB.Coordinates;
airbaseGen.SetupAirbasesCoalitions(mission, template.TheaterRegionsCoalitions, theaterDB);
}
// Generate mission objectives
DebugLog.Instance.WriteLine("Generating mission objectives...");
using (MissionGeneratorObjectives objectives = new MissionGeneratorObjectives(unitMaker.SpawnPointSelector))
objectives.CreateObjectives(mission, template, objectiveDB, theaterDB);
// Generate mission date and time
DebugLog.Instance.WriteLine("Generating mission date and time...");
using (MissionGeneratorDateTime dateTime = new MissionGeneratorDateTime())
{
dateTime.GenerateMissionDate(mission, template, coalitionsDB);
dateTime.GenerateMissionTime(mission, template, theaterDB);
}
// Generate mission weather
DebugLog.Instance.WriteLine("Generating mission weather...");
using (MissionGeneratorWeather weather = new MissionGeneratorWeather())
{
weather.GenerateWeather(mission, template.EnvironmentWeather, theaterDB);
weather.GenerateWind(mission, template.EnvironmentWind, theaterDB);
}
// Generate Carrier
using (MissionGeneratorCarrier unitGroupGen = new MissionGeneratorCarrier(unitMaker))
unitGroupGen.GenerateCarriers(mission, template, coalitionsDB[(int)mission.CoalitionPlayer]);
// Generate player unit groups
DebugLog.Instance.WriteLine("Generating player unit groups and mission package...");
string aiEscortTypeCAP, aiEscortTypeSEAD;
using (MissionGeneratorPlayerFlightGroups unitGroupGen = new MissionGeneratorPlayerFlightGroups(unitMaker))
briefingFGList.AddRange(
unitGroupGen.CreateUnitGroups(
mission, template, objectiveDB, coalitionsDB[(int)mission.CoalitionPlayer],
out aiEscortTypeCAP, out aiEscortTypeSEAD));
// Generate objective unit groups
DebugLog.Instance.WriteLine("Generating objectives unit groups...");
using (MissionGeneratorObjectivesUnitGroups unitGroupGen = new MissionGeneratorObjectivesUnitGroups(unitMaker))
unitGroupGen.CreateUnitGroups(mission, template, objectiveDB, coalitionsDB);
// Generate friendly support units
DebugLog.Instance.WriteLine("Generating friendly support units...");
using (MissionGeneratorSupportUnits unitGroupGen = new MissionGeneratorSupportUnits(unitMaker))
briefingFGList.AddRange(unitGroupGen.CreateUnitGroups(mission, coalitionsDB[(int)mission.CoalitionPlayer], template.OptionsUnitMods));
// Generate enemy air defense unit groups
DebugLog.Instance.WriteLine("Generating enemy air defense unit groups...");
using (MissionGeneratorAirDefense unitGroupGen = new MissionGeneratorAirDefense(unitMaker, false, template, mission))
unitGroupGen.CreateUnitGroups(mission, objectiveDB, coalitionsDB[(int)mission.CoalitionEnemy], GeneratorTools.GetEnemySpawnPointCoalition(template), template.OptionsUnitMods);
// Generate ally air defense unit groups
DebugLog.Instance.WriteLine("Generating friendly air defense unit groups...");
using (MissionGeneratorAirDefense unitGroupGen = new MissionGeneratorAirDefense(unitMaker, true, template, mission))
unitGroupGen.CreateUnitGroups(mission, objectiveDB, coalitionsDB[(int)mission.CoalitionPlayer], GeneratorTools.GetAllySpawnPointCoalition(template), template.OptionsUnitMods);
//// Generate enemy fighter patrols
DebugLog.Instance.WriteLine("Generating enemy fighter patrol unit groups...");
using (MissionGeneratorEnemyFighterPatrols unitGroupGen = new MissionGeneratorEnemyFighterPatrols(unitMaker))
unitGroupGen.CreateUnitGroups(mission, template, objectiveDB, coalitionsDB[(int)mission.CoalitionEnemy], aiEscortTypeCAP, aiEscortTypeSEAD);
//// Generate mission features
DebugLog.Instance.WriteLine("Generating mission features unit groups...");
using (MissionGeneratorExtensionsAndFeatures featuresGen = new MissionGeneratorExtensionsAndFeatures(unitMaker))
featuresGen.GenerateExtensionsAndFeatures(mission, template, objectiveDB, coalitionsDB);
// Generates the mission flight plan
DebugLog.Instance.WriteLine("Generating mission flight plan...");
using (MissionGeneratorFlightPlan flightPlan = new MissionGeneratorFlightPlan())
{
flightPlan.SetBullseye(mission);
flightPlan.AddObjectiveWaypoints(mission, objectiveDB);
flightPlan.AddExtraWaypoints(mission, template);
}
// Generate briefing. Must be last because it uses information from other generators
DebugLog.Instance.WriteLine("Generating mission briefing...");
using (MissionGeneratorBriefing briefing = new MissionGeneratorBriefing())
{
briefing.GenerateMissionName(mission, template);
briefing.GenerateMissionBriefing(mission, template, objectiveDB, airbaseDB, briefingFGList, coalitionsDB);
}
// Set if radio sounds are enabled
mission.RadioSounds = !template.OptionsPreferences.Contains(MissionTemplatePreferences.DisableRadioSounds);
// Add common .ogg vorbis files and make sure each only appears only once.
mission.OggFiles.AddRange(Database.Instance.Common.CommonOGG);
mission.OggFiles.AddRange(Database.Instance.Common.CommonOGGForGameMode[(int)template.GetMissionType()]);
mission.OggFiles =
(from string f in mission.OggFiles
where !string.IsNullOrEmpty(f.Trim()) select f.Trim())
.Distinct(StringComparer.InvariantCultureIgnoreCase).ToList();
// If radio sounds are disabled, do not include radio .ogg files to save on file size
if (!mission.RadioSounds)
{
mission.OggFiles =
(from string f in mission.OggFiles
where (f.ToLowerInvariant() == "radio0") || (!f.ToLowerInvariant().StartsWith("radio")) select f).ToList();
}
// Make sure included Lua scripts appear only once
mission.IncludedLuaScripts = mission.IncludedLuaScripts.Distinct().OrderBy(x => x).ToList();
// Create aircraft queues and finalize the core script
CreateAircraftActivationQueues(mission);
switch (template.GetMissionType())
{
case MissionType.SinglePlayer:
mission.CoreLuaScript += "briefingRoom.mission.missionType = brMissionType.SINGLE_PLAYER\r\n"; break;
case MissionType.Cooperative:
mission.CoreLuaScript += "briefingRoom.mission.missionType = brMissionType.COOPERATIVE\r\n"; break;
case MissionType.Versus:
mission.CoreLuaScript += "briefingRoom.mission.missionType = brMissionType.VERSUS\r\n"; break;
}
DebugLog.Instance.WriteLine($"Mission generation completed successfully in {(DateTime.Now - generationStartTime).TotalSeconds.ToString("F3", NumberFormatInfo.InvariantInfo)} second(s).");
unitMaker.Dispose();
return(mission);
}
/// <summary>
/// Spawn a group of support units.
/// </summary>
/// <param name="mission">Mission to which generated units should be added</param>
/// <param name="enemyCoalitionDB">Ally coalition database entry</param>
/// <param name="unitFamily">Family of support unit to spawn</param>
/// <param name="unitMods">Unit mods selected units can belong to</param>
/// <param name="TACAN">TACAN info for the unit, if any</param>
private void AddSupportUnit(DCSMission mission, MissionTemplate template, DBEntryCoalition enemyCoalitionDB, UnitFamily unitFamily, string[] unitMods, Tacan TACAN = null)
{
DebugLog.Instance.WriteLine($"Adding {unitFamily} enemy support unit...", 1);
string[] validUnitTypes = enemyCoalitionDB.GetRandomUnits(unitFamily, mission.DateTime.Decade, 1, unitMods, false);
if (validUnitTypes.Length == 0)
{
DebugLog.Instance.WriteLine($"No support unit found for this role in coalition \"{enemyCoalitionDB.ID}\"", 2);
return; // Empty FG info will automatically be discarded
}
string groupLua;
switch (unitFamily)
{
case UnitFamily.PlaneAWACS:
groupLua = "GroupAircraftAWACSMortal";
break;
case UnitFamily.PlaneTankerBasket:
case UnitFamily.PlaneTankerBoom:
groupLua = "GroupAircraftTankerMortal";
break;
default: // Should never happen
return; // Empty FG info will automatically be discarded
}
DBEntryTheaterSpawnPoint?spawnPoint =
UnitMaker.SpawnPointSelector.GetRandomSpawnPoint(
null,
mission.ObjectivesCenter, Database.Instance.Common.EnemyCAPDistanceFromObjectives,
mission.InitialPosition, new MinMaxD(Database.Instance.Common.EnemyCAPMinDistanceFromTakeOffLocation, 99999),
GeneratorTools.GetEnemySpawnPointCoalition(template));
if (!spawnPoint.HasValue) // No spawn point found, stop here.
{
DebugLog.Instance.WriteLine("No spawn point found for enemy fighter patrol group.", 1, DebugLogMessageErrorLevel.Warning);
return;
}
Coordinates location2 = spawnPoint.Value.Coordinates + Coordinates.CreateRandom(12, 20) * Toolbox.NM_TO_METERS;
string unitType = Toolbox.RandomFrom(validUnitTypes);
DCSMissionUnitGroup group = UnitMaker.AddUnitGroup(
mission, new string[] { unitType },
Side.Enemy, spawnPoint.Value.Coordinates,
groupLua, "UnitAircraft",
Toolbox.BRSkillLevelToDCSSkillLevel(template.SituationEnemySkillLevelAir), 0,
UnitTaskPayload.Default,
location2);
if (group == null)
{
return; // Empty FG info will automatically be discarded
}
group.TACAN = TACAN;
mission.AircraftSpawnQueue.Insert(0, new DCSMissionAircraftSpawnQueueItem(group.GroupID, true)); // Support aircraft must be activated first
}