private DamageResult ResolveWeaponAttack(WeaponSystem weapon, int range, ScreenRating screenRating, int evasion = 0, int otherDRM = 0, Constants.DamageType damageTypeModifier = Constants.DamageType.None, AttackSpecialProperties attackPropertiesModifier = AttackSpecialProperties.None)
{
AttackSpecialProperties effectiveAttackProperties = weapon.FinalizeAttackProperties(attackPropertiesModifier);
// Weapons with a hight TrackRating can ignore Evasion, offsetting up to the full Evasion DRM
int totalDRM = weapon.FinalizeEvasionDRM(evasion) + otherDRM;
// Weapons can ignore certain kinds of shields but not others
int totalScreenRating = weapon.FinalizeScreenValue(screenRating, effectiveAttackProperties);
Constants.DamageType effectiveDamageType = weapon.FinalizeDamageType(weapon.GetDamageType(), damageTypeModifier, effectiveAttackProperties.HasFlag(AttackSpecialProperties.Overrides_Weapon_DamageType));
// Roll dice here
this.Logger.LogInformation($"Attack roll! {weapon.SystemName} -- range {range} | screen {screenRating.ToString()} | net DRM {totalDRM} | {effectiveDamageType.ToString()}-type damage | rating {weapon.Rating}");
/* "Basic" weapon behavior is to shoot like a non-penetrating beam:
* 1D per Rating, diminishing with range
* 1 damage on a 4 unless screened
* 1 damage on a 5, always
* 2 damage on a 6, unless double-screened -- then 1
*/
DamageResult damageMatrix = FullThrustDieRolls.RollFTDamage(this.DiceUtility, weapon.GetAttackDice(), totalDRM, totalScreenRating, effectiveDamageType.HasFlag(Constants.DamageType.Penetrating));
return(damageMatrix);
}
public void TestPenetratingDamageRollup_Screen1_DRM_Zero()
{
IDiceUtility roller = this.services.GetService <IDiceUtility>();
FullThrustDieRolls.RollFTSuccesses(roller, 1, out IEnumerable <int> rolls);
var units = new List <GameUnit>();
var f = GameEngineTestUtilities.GenerateTestFormation(1, "Test Formation", ref units);
var fu = f.Units.First();
var u = units[0];
var result = f.RollManeuverSpeedAndEvasion(this.services, f.Orders.First(), f.FormationId, 1, speedDRM: 0, evasionDRM: 0);
// Console.WriteLine($"{u.Name} rolls {result.SpeedSuccesses} for Speed and {result.EvasionSuccesses} for Evasion.");
// Console.WriteLine("Testing penetrating damage versus Screen Rating 2...");
var damageResult = FullThrustDieRolls
.RollFTDamage(
new DiceNotationUtility(),
numberOfDice: 20,
drm: 0,
targetScreenRating: 1,
dealPenetrating: true);
// Console.WriteLine($"Dealt a total of {damageResult.Standard} standard damage and {damageResult.Penetrating} penetrating damage.");
Assert.IsNotNull(damageResult);
int natural6sOnInitialRoll = damageResult.StandardRolls.Count(r => r == 6);
int natural5sOnInitialRoll = damageResult.StandardRolls.Count(r => r == 5);
int natural4sOnInitialRoll = damageResult.StandardRolls.Count(r => r == 4);
int natural6sOnPenetratingRolls = damageResult.PenetratingRolls.Count(r => r == 6);
int natural5sOnPenetratingRolls = damageResult.PenetratingRolls.Count(r => r == 5);
int natural4sOnPenetratingRolls = damageResult.PenetratingRolls.Count(r => r == 4);
// Since ScreenRating is 1 and DRM is 0, 6s hit for 2 and penetrate; 5s hit for 1; and 4s miss.
int expectedStandardDamage = (2 * natural6sOnInitialRoll) + natural5sOnInitialRoll + (0 * natural4sOnInitialRoll);
// Penetrating damage ignores screens and DRM
int expectedPenetratingDamage = (2 * natural6sOnPenetratingRolls) + natural5sOnPenetratingRolls + natural4sOnPenetratingRolls;
Assert.AreEqual(expectedStandardDamage, damageResult.Standard);
// Penetration dice all come from 6s in the original roll, OR ELSE from rerolls in the penetration pool
Assert.AreEqual(damageResult.PenetratingRolls.Count - natural6sOnPenetratingRolls, natural6sOnInitialRoll);
// Penetration dice are unaffected by DRM or screens
Assert.AreEqual(expectedPenetratingDamage, damageResult.Penetrating);
}
public void TestPenetratingDamageRollup_Screen2_DRM_Minus_One()
{
IDiceUtility roller = this.services.GetService <IDiceUtility>();
FullThrustDieRolls.RollFTSuccesses(roller, 1, out IEnumerable <int> rolls);
var units = new List <GameUnit>();
var f = GameEngineTestUtilities.GenerateTestFormation(1, "Test Formation", ref units);
var fu = f.Units.First();
var u = units[0];
var result = f.RollManeuverSpeedAndEvasion(services: this.services, formationOrders: f.Orders.First(), currentVolley: 1, formationId: f.FormationId, speedDRM: 0, evasionDRM: 0);
// Console.WriteLine($"{u.Name} rolls {result.SpeedSuccesses} for Speed and {result.EvasionSuccesses} for Evasion.");
// Console.WriteLine("Testing penetrating damage versus Screen Rating 2...");
var damageResult = FullThrustDieRolls
.RollFTDamage(
new DiceNotationUtility(),
numberOfDice: 20,
drm: -1,
targetScreenRating: 2,
dealPenetrating: true);
// Console.WriteLine($"Dealt a total of {damageResult.Standard} standard damage and {damageResult.Penetrating} penetrating damage.");
Assert.IsNotNull(damageResult);
// Since ScreenRating is 2 and DRM is -1, only 6's hit (and they all penetrate).
int natural6sOnInitialRoll = damageResult.StandardRolls.Count(r => r == 6);
int natural6sOnPenetratingRolls = damageResult.PenetratingRolls.Count(r => r == 6);
int natural4sAnd5sOnPenetratingRolls = damageResult.PenetratingRolls.Count(r => r == 4 || r == 5);
Assert.AreEqual(natural6sOnInitialRoll, damageResult.Standard);
Assert.IsTrue(damageResult.PenetratingRolls.Count >= natural6sOnInitialRoll);
// Penetration dice all come from 6s in the original roll, OR ELSE from rerolls in the penetration pool
Assert.AreEqual(damageResult.PenetratingRolls.Count - natural6sOnPenetratingRolls, natural6sOnInitialRoll);
// Penetration dice are unaffected by DRM or screens
var penetrationDamageCalc = (2 * natural6sOnPenetratingRolls) + natural4sAnd5sOnPenetratingRolls;
Assert.AreEqual(penetrationDamageCalc, damageResult.Penetrating);
}