static void evaluateWeaponAttackOnVehicle(float expectedDamage, Weapon w, ref DamageExpectationRecord damageExpectationRecord, Vector3 attackerPosition, Vehicle targetVehicle, Vector3 targetPosition, Quaternion targetRotation)
{
// use hit table to figure out where this will go
Dictionary <VehicleChassisLocations, float> locations = GetLocationDictionary(attackerPosition, targetVehicle, targetPosition, targetRotation);
foreach (KeyValuePair <VehicleChassisLocations, float> locKVP in locations)
{
VehicleChassisLocations loc = locKVP.Key;
float probability = locKVP.Value;
DamageExpectationRecord locRecord = new DamageExpectationRecord();
damageExpectationRecord.AddChildRecord(probability, locRecord);
float existingArmor = targetVehicle.ArmorForLocation((int)loc);
float armorThatWillBeRemoved = Mathf.Min(existingArmor, expectedDamage);
float damageRemaining = expectedDamage - existingArmor;
locRecord.AddVehicleArmorDamage(armorThatWillBeRemoved, loc);
if (damageRemaining > 0)
{
// some goes in to the structure
float currentStructure = targetVehicle.GetCurrentStructure(loc);
float structureDamage = Mathf.Min(damageRemaining, currentStructure);
//float damageAfterStructure = damageRemaining - structureDamage;
locRecord.AddVehicleStructureDamage(structureDamage, loc);
}
}
}
/// <summary>
/// Take a tree of DamageExpectationRecords and add them up into a single record with no children.
/// </summary>
/// <returns></returns>
public DamageExpectationRecord Flatten()
{
DamageExpectationRecord newRecord = new DamageExpectationRecord();
flattenInto(newRecord, this, 1.0f);
return(newRecord);
}
static void NukeMechLocation(ref DamageExpectationRecord damageExpectationRecord, Mech targetMech, ChassisLocations loc)
{
// foreach component, destroy it
Dictionary <ComponentLocator, float> componentDict = getComponentDictionary(targetMech, loc);
foreach (KeyValuePair <ComponentLocator, float> componentKVP in componentDict)
{
ComponentLocator compLoc = componentKVP.Key;
damageExpectationRecord.AddComponentDamage(2.0f, compLoc);
}
}
static void NukeUnit(ref DamageExpectationRecord damageExpectationRecord, Turret targetTurret)
{
damageExpectationRecord.lethalProbability = 1.0f;
List <Weapon> weaponList = targetTurret.Weapons;
for (int slotIndex = 0; slotIndex < weaponList.Count; ++slotIndex)
{
ComponentLocator compLoc = new ComponentLocator(targetTurret, slotIndex);
damageExpectationRecord.AddComponentDamage(2.0f, compLoc);
}
}
static public float EvaluateFirepowerReductionFromAttack(AbstractActor attacker, Vector3 attackerPosition, ICombatant target, Vector3 targetPosition, Quaternion targetRotation, List <Weapon> weapons, MeleeAttackType attackType)
{
AbstractActor actor = target as AbstractActor;
if (actor == null)
{
return(0.0f);
}
DamageExpectationRecord damageExpectationRecord = EvaluateAttack(attacker, attackerPosition, target, targetPosition, targetRotation, weapons, attackType);
float dmg = 0.0f;
List <ComponentLocator> weaponList = GetWeaponComponentLocatorList(actor);
for (int weaponIndex = 0; weaponIndex < weaponList.Count; ++weaponIndex)
{
ComponentLocator compLoc = weaponList[weaponIndex];
MechComponent mechComp = compLoc.GetComponent();
Weapon w = mechComp as Weapon;
if (w.CanFire)
{
float weaponBaseDamage = w.ShotsWhenFired * w.DamagePerShot;
if (w.DamageLevel == ComponentDamageLevel.Functional)
{
int expDmg = Mathf.RoundToInt(damageExpectationRecord.GetComponentDamageForLocation(compLoc));
if (expDmg == 1)
{
// that's like half damage
dmg += weaponBaseDamage * 0.5f;
}
else if (expDmg > 1)
{
dmg += weaponBaseDamage;
}
}
else if (w.DamageLevel == ComponentDamageLevel.Penalized)
{
int expDmg = Mathf.RoundToInt(damageExpectationRecord.GetComponentDamageForLocation(compLoc));
if (expDmg >= 1)
{
dmg += weaponBaseDamage;
}
}
}
}
return(dmg);
}
static void NukeUnit(ref DamageExpectationRecord damageExpectationRecord, Mech targetMech)
{
damageExpectationRecord.lethalProbability = 1.0f;
// foreach location
foreach (ChassisLocations loc in System.Enum.GetValues(typeof(ChassisLocations)))
{
if ((loc == ChassisLocations.All) ||
(loc == ChassisLocations.Arms) ||
(loc == ChassisLocations.Legs) ||
(loc == ChassisLocations.Torso) ||
(loc == ChassisLocations.None))
{
continue;
}
NukeMechLocation(ref damageExpectationRecord, targetMech, loc);
}
}
static void evaluateWeaponAttackOnBuilding(float expectedDamage, Weapon w, ref DamageExpectationRecord damageExpectationRecord, Vector3 attackerPosition, Building targetBuilding, Vector3 targetPosition, Quaternion targetRotation)
{
float existingArmor = targetBuilding.CurrentArmor;
float armorThatWillBeRemoved = Mathf.Min(existingArmor, expectedDamage);
float damageRemaining = expectedDamage - existingArmor;
damageExpectationRecord.AddArmorDamage(armorThatWillBeRemoved, ArmorLocation.None);
if (damageRemaining > 0)
{
// some goes in to the structure
float currentStructure = targetBuilding.CurrentStructure;
float structureDamage = Mathf.Min(damageRemaining, currentStructure);
damageExpectationRecord.AddStructureDamage(structureDamage, ChassisLocations.None);
}
}
public void flattenInto(DamageExpectationRecord target, DamageExpectationRecord source, float probability)
{
foreach (KeyValuePair <ComponentLocator, float> kvp in source.componentDamageDictionary)
{
ComponentLocator key = kvp.Key;
float dmg = kvp.Value;
target.AddComponentDamage(dmg * probability, key);
}
foreach (ChassisLocations loc in source.chassisLocationDictionary.Keys)
{
float dmg = source.chassisLocationDictionary[loc];
target.AddStructureDamage(dmg * probability, loc);
}
foreach (ArmorLocation loc in source.armorLocationDictionary.Keys)
{
float dmg = source.armorLocationDictionary[loc];
target.AddArmorDamage(dmg * probability, loc);
}
foreach (VehicleChassisLocations loc in source.vehicleChassisLocationDictionary.Keys)
{
float dmg = source.vehicleChassisLocationDictionary[loc];
target.AddVehicleStructureDamage(dmg * probability, loc);
}
foreach (VehicleChassisLocations loc in source.vehicleArmorLocationDictionary.Keys)
{
float dmg = source.vehicleArmorLocationDictionary[loc];
target.AddVehicleArmorDamage(dmg * probability, loc);
}
target.AddPilotDamage(pilotDamage * probability);
target.lethalProbability += lethalProbability * probability;
for (int childIndex = 0; childIndex < source.children.Count; ++childIndex)
{
ChildWithProbability c = source.children[childIndex];
flattenInto(target, c.DamageExpectationRecord, c.Probability);
}
}
static void evaluateWeaponAttackOnMech(float expectedDamage, Weapon w, ref DamageExpectationRecord damageExpectationRecord, Vector3 attackerPosition, Mech targetMech, Vector3 targetPosition, Quaternion targetRotation)
{
// use hit table to figure out where this will go
Dictionary <ArmorLocation, float> locations = GetLocationDictionary(attackerPosition, targetMech, targetPosition, targetRotation);
foreach (KeyValuePair <ArmorLocation, float> locKVP in locations)
{
ArmorLocation loc = locKVP.Key;
float probability = locKVP.Value;
DamageExpectationRecord locRecord = new DamageExpectationRecord();
damageExpectationRecord.AddChildRecord(probability, locRecord);
float existingArmor = targetMech.ArmorForLocation((int)loc);
float armorThatWillBeRemoved = Mathf.Min(existingArmor, expectedDamage);
float damageRemaining = expectedDamage - existingArmor;
locRecord.AddArmorDamage(armorThatWillBeRemoved, loc);
ChassisLocations sLoc = MechStructureRules.GetChassisLocationFromArmorLocation((ArmorLocation)loc);
// there's a chance this hit will be a critical hit
if (!targetMech.IsLocationDestroyed(sLoc))
{
float critChance = targetMech.Combat.CritChance.GetCritChance(targetMech, sLoc, w);
if (critChance > 0)
{
DamageExpectationRecord critRecord = new DamageExpectationRecord();
locRecord.AddChildRecord(critChance, critRecord);
// iterate over components, apply one point of damage to each location.
Dictionary <ComponentLocator, float> componentDict = getComponentDictionary(targetMech, sLoc);
float probOfHittingAmmo = 0.0f;
foreach (KeyValuePair <ComponentLocator, float> componentKVP in componentDict)
{
ComponentLocator compLoc = componentKVP.Key;
MechComponent component = compLoc.GetComponent();
float componentProbability = componentKVP.Value;
DamageExpectationRecord componentRecord = new DamageExpectationRecord();
critRecord.AddChildRecord(componentProbability, componentRecord);
componentRecord.AddComponentDamage(1.0f, compLoc);
// if this component is ammo, there's a chance we could lose this location and all child locations
if (component.componentType == ComponentType.AmmunitionBox)
{
AmmunitionBox abComponent = component as AmmunitionBox;
int remainingAmmo = abComponent.CurrentAmmo;
int capacity = abComponent.ammunitionBoxDef.Capacity;
float percentage = ((float)remainingAmmo) / ((float)capacity);
if (percentage > 0.5f)
{
probOfHittingAmmo += componentProbability;
}
}
}
if (probOfHittingAmmo > 0.0f)
{
DamageExpectationRecord ammoBlownRecord = new DamageExpectationRecord();
locRecord.AddChildRecord(probOfHittingAmmo, ammoBlownRecord);
foreach (KeyValuePair <ComponentLocator, float> componentKVP in componentDict)
{
ComponentLocator compLoc = componentKVP.Key;
ammoBlownRecord.AddComponentDamage(2.0f, compLoc);
}
}
}
}
if (damageRemaining > 0)
{
// some goes in to the structure
float currentStructure = targetMech.GetCurrentStructure(sLoc);
float structureDamage = Mathf.Min(damageRemaining, currentStructure);
float damageAfterStructure = damageRemaining - structureDamage;
locRecord.AddStructureDamage(structureDamage, sLoc);
if (damageAfterStructure > 0)
{
// some hits a component
Dictionary <ComponentLocator, float> componentDict = getComponentDictionary(targetMech, sLoc);
float probOfHittingAmmo = 0.0f;
foreach (KeyValuePair <ComponentLocator, float> componentKVP in componentDict)
{
ComponentLocator compLoc = componentKVP.Key;
MechComponent component = compLoc.GetComponent();
float componentProbability = componentKVP.Value;
DamageExpectationRecord componentRecord = new DamageExpectationRecord();
locRecord.AddChildRecord(componentProbability, componentRecord);
componentRecord.AddComponentDamage(1.0f, compLoc);
// if this component is ammo, there's a chance we could lose this location and all child locations
if (component.componentType == ComponentType.AmmunitionBox)
{
AmmunitionBox abComponent = component as AmmunitionBox;
int remainingAmmo = abComponent.CurrentAmmo;
int capacity = abComponent.ammunitionBoxDef.Capacity;
float percentage = ((float)remainingAmmo) / ((float)capacity);
if (percentage > 0.5f)
{
probOfHittingAmmo += componentProbability;
}
}
}
if (probOfHittingAmmo > 0)
{
DamageExpectationRecord ammoBlownRecord = new DamageExpectationRecord();
locRecord.AddChildRecord(probOfHittingAmmo, ammoBlownRecord);
foreach (KeyValuePair <ComponentLocator, float> componentKVP in componentDict)
{
ComponentLocator compLoc = componentKVP.Key;
ammoBlownRecord.AddComponentDamage(2.0f, compLoc);
}
}
}
}
}
}
static public DamageExpectationRecord EvaluateAttack(AbstractActor attacker, Vector3 attackerPosition, ICombatant target, Vector3 targetPosition, Quaternion targetRotation, List <Weapon> weapons, MeleeAttackType attackType)
{
// for all weapons in an attack
// figure out the locations that are likely to be hit
// use HitTable to figure this out
// for each location, figure out the chance to
// - do criticals (without breaching armor?)
// - breach armor
// - do structural damage
// - do component damage (weapons get damaged, then destroyed)
// - trigger ammo explosion
// - lose the location
// - lose sub-locations
// - kill the mech
// types.cs ConsolidateCriticalHitInfo
// Mech.cs CheckForCrit
// CombatCritChance GetCritChance
DamageExpectationRecord root = new DamageExpectationRecord();
for (int weaponIndex = 0; weaponIndex < weapons.Count; ++weaponIndex)
{
Weapon w = weapons[weaponIndex];
// figure out chance to hit the target
AbstractActor targetActor = target as AbstractActor;
bool targetIsEvasive = (targetActor != null) && (targetActor.IsEvasive);
float toHitProbability = w.GetToHitFromPosition(target, 1, attackerPosition, targetPosition, true, targetIsEvasive);
DamageExpectationRecord weaponDamageExpectationRecord = new DamageExpectationRecord();
root.AddChildRecord(toHitProbability, weaponDamageExpectationRecord);
float expectedDamage = w.ShotsWhenFired * w.DamagePerShotFromPosition(attackType, attackerPosition, target);
Mech targetMech = target as Mech;
Vehicle targetVehicle = target as Vehicle;
Turret targetTurret = target as Turret;
Building targetBuilding = target as Building;
if (targetMech != null)
{
evaluateWeaponAttackOnMech(expectedDamage, w, ref weaponDamageExpectationRecord, attackerPosition, targetMech, targetPosition, targetRotation);
}
else if (targetVehicle != null)
{
evaluateWeaponAttackOnVehicle(expectedDamage, w, ref weaponDamageExpectationRecord, attackerPosition, targetVehicle, targetPosition, targetRotation);
}
else if (targetTurret != null)
{
evaluateWeaponAttackOnTurret(expectedDamage, w, ref weaponDamageExpectationRecord, attackerPosition, targetTurret, targetPosition, targetRotation);
}
else if (targetBuilding != null)
{
evaluateWeaponAttackOnBuilding(expectedDamage, w, ref weaponDamageExpectationRecord, attackerPosition, targetBuilding, targetPosition, targetRotation);
}
}
consolidateDamageExpectationRecord(ref root, target);
return(root);
}
static void NukeUnit(ref DamageExpectationRecord damageExpectationRecord, Building targetBuilding)
{
damageExpectationRecord.lethalProbability = 1.0f;
}
static void consolidateDamageExpectationRecord(ref DamageExpectationRecord damageExpectationRecord, ICombatant target)
{
damageExpectationRecord = damageExpectationRecord.Flatten();
Mech targetMech = target as Mech;
if (targetMech != null)
{
foreach (ChassisLocations loc in System.Enum.GetValues(typeof(ChassisLocations)))
{
if ((loc == ChassisLocations.All) ||
(loc == ChassisLocations.Arms) ||
(loc == ChassisLocations.Torso) ||
(loc == ChassisLocations.MainBody) ||
(loc == ChassisLocations.Legs) ||
(loc == ChassisLocations.None))
{
continue;
}
if (damageExpectationRecord.GetStructureDamageForLocation(loc) >= targetMech.GetCurrentStructure(loc))
{
NukeMechLocation(ref damageExpectationRecord, targetMech, loc);
}
}
// if left or right torso are destroyed, mark left or right arm as destroyed
if (damageExpectationRecord.GetStructureDamageForLocation(ChassisLocations.LeftTorso) >= targetMech.LeftTorsoStructure)
{
NukeMechLocation(ref damageExpectationRecord, targetMech, ChassisLocations.LeftArm);
}
if (damageExpectationRecord.GetStructureDamageForLocation(ChassisLocations.RightTorso) >= targetMech.RightTorsoStructure)
{
NukeMechLocation(ref damageExpectationRecord, targetMech, ChassisLocations.RightArm);
}
// if both legs are destroyed, mark whole unit as destroyed
// if either center torso structure or head structure are destroyed, mark whole unit as destroyed
if (((damageExpectationRecord.GetStructureDamageForLocation(ChassisLocations.LeftLeg) >= targetMech.StructureForLocation((int)ChassisLocations.LeftLeg)) &&
(damageExpectationRecord.GetStructureDamageForLocation(ChassisLocations.RightLeg) >= targetMech.StructureForLocation((int)ChassisLocations.RightLeg))) ||
(damageExpectationRecord.GetStructureDamageForLocation(ChassisLocations.CenterTorso) >= targetMech.StructureForLocation((int)ChassisLocations.CenterTorso)) ||
(damageExpectationRecord.GetStructureDamageForLocation(ChassisLocations.Head) >= targetMech.StructureForLocation((int)ChassisLocations.Head)))
{
NukeUnit(ref damageExpectationRecord, targetMech);
}
// TODO if the pilot is destroyed, mark whole unit as destroyed
}
Vehicle targetVehicle = target as Vehicle;
if (targetVehicle != null)
{
foreach (VehicleChassisLocations loc in System.Enum.GetValues(typeof(VehicleChassisLocations)))
{
if ((loc == VehicleChassisLocations.All) ||
(loc == VehicleChassisLocations.None) ||
(loc == VehicleChassisLocations.MainBody) ||
(loc == VehicleChassisLocations.Invalid))
{
continue;
}
if (damageExpectationRecord.GetVehicleStructureDamageForLocation(loc) >= targetVehicle.StructureForLocation((int)loc))
{
NukeUnit(ref damageExpectationRecord, targetVehicle);
}
}
}
// if unit is a turret and center structure is destroyed, mark whole unit as destroyed
Turret targetTurret = target as Turret;
if (targetTurret != null)
{
if (damageExpectationRecord.GetTurretStructureDamage() >= targetTurret.StructureForLocation((int)BuildingLocation.Structure))
{
NukeUnit(ref damageExpectationRecord, targetTurret);
}
}
// if unit is a building and center structure is destroyed, mark whole unit as destroyed
Building targetBuilding = target as Building;
if (targetBuilding != null)
{
if (damageExpectationRecord.GetBuildingStructureDamage() >= targetBuilding.StructureForLocation((int)BuildingLocation.Structure))
{
NukeUnit(ref damageExpectationRecord, targetBuilding);
}
}
}
public ChildWithProbability(float probability, DamageExpectationRecord damageExpectationRecord)
{
this.Probability = probability;
this.DamageExpectationRecord = damageExpectationRecord;
}
public void AddChildRecord(float probability, DamageExpectationRecord childRecord)
{
children.Add(new ChildWithProbability(probability, childRecord));
}