public virtual ShiftVecReport ShiftVecReportFor(LocalTargetInfo target)
{
IntVec3 targetCell = target.Cell;
ShiftVecReport report = new ShiftVecReport();
report.target = target;
report.aimingAccuracy = this.AimingAccuracy;
report.sightsEfficiency = this.SightsEfficiency;
report.shotDist = (targetCell - this.caster.Position).LengthHorizontal;
report.maxRange = verbProps.range;
report.lightingShift = 1 - caster.Map.glowGrid.GameGlowAt(targetCell);
if (!this.caster.Position.Roofed(caster.Map) || !targetCell.Roofed(caster.Map)) //Change to more accurate algorithm?
{
report.weatherShift = 1 - caster.Map.weatherManager.CurWeatherAccuracyMultiplier;
}
report.shotSpeed = this.ShotSpeed;
report.swayDegrees = this.SwayAmplitude;
var spreadmult = this.projectilePropsCE != null ? this.projectilePropsCE.spreadMult : 0f;
report.spreadDegrees = this.EquipmentSource.GetStatValue(StatDef.Named("ShotSpread")) * spreadmult;
Thing cover;
float smokeDensity;
this.GetHighestCoverAndSmokeForTarget(target, out cover, out smokeDensity);
report.cover = cover;
report.smokeDensity = smokeDensity;
return(report);
}
public override ShiftVecReport ShiftVecReportFor(LocalTargetInfo target)
{
ShiftVecReport report = base.ShiftVecReportFor(target);
report.shotDist = Vector3.Distance(target.CenterVector3, caster.TrueCenter()) * DISTFACTOR_FACTOR;
return(report);
}
/// <summary>
/// Fires a projectile using the new aiming system
/// </summary>
/// <returns>True for successful shot, false otherwise</returns>
protected override bool TryCastShot()
{
ShootLine shootLine;
if (!TryFindCEShootLineFromTo(caster.Position, currentTarget, out shootLine))
{
return(false);
}
if (projectilePropsCE.pelletCount < 1)
{
Log.Error(ownerEquipment.LabelCap + " tried firing with pelletCount less than 1.");
return(false);
}
ShiftVecReport report = ShiftVecReportFor(currentTarget);
bool pelletMechanicsOnly = false;
for (int i = 0; i < projectilePropsCE.pelletCount; i++)
{
ProjectileCE projectile = (ProjectileCE)ThingMaker.MakeThing(ProjectileDef, null);
GenSpawn.Spawn(projectile, shootLine.Source, caster.Map);
ShiftTarget(report, pelletMechanicsOnly);
//New aiming algorithm
projectile.canTargetSelf = false;
projectile.minCollisionSqr = (sourceLoc - currentTarget.Cell.ToIntVec2.ToVector2Shifted()).sqrMagnitude;
projectile.Launch(caster, sourceLoc, shotAngle, shotRotation, ShotHeight, ShotSpeed, ownerEquipment);
pelletMechanicsOnly = true;
}
pelletMechanicsOnly = false;
this.numShotsFired++;
return(true);
}
public override bool TryCastShot()
{
ArtilleryMarker marker = ThingMaker.MakeThing(ThingDef.Named(ArtilleryMarker.MarkerDef)) as ArtilleryMarker;
ShiftVecReport report = ShiftVecReportFor(currentTarget);
marker.sightsEfficiency = report.sightsEfficiency;
marker.aimingAccuracy = report.aimingAccuracy;
marker.lightingShift = report.lightingShift;
marker.weatherShift = report.weatherShift;
GenSpawn.Spawn(marker, this.currentTarget.Cell, caster.Map);
// Check for something to attach marker to
if (this.currentTarget.HasThing)
{
CompAttachBase comp = this.currentTarget.Thing.TryGetComp <CompAttachBase>();
if (comp != null)
{
marker.AttachTo(this.currentTarget.Thing);
}
}
// Show we learned something
PlayerKnowledgeDatabase.KnowledgeDemonstrated(CE_ConceptDefOf.CE_Spotting, KnowledgeAmount.SmallInteraction);
return(true);
}
/// <summary>
/// Fires a projectile using the new aiming system
/// </summary>
/// <returns>True for successful shot, false otherwise</returns>
protected override bool TryCastShot()
{
if (!TryFindCEShootLineFromTo(caster.Position, currentTarget, out var shootLine))
{
return(false);
}
if (projectilePropsCE.pelletCount < 1)
{
Log.Error(EquipmentSource.LabelCap + " tried firing with pelletCount less than 1.");
return(false);
}
ShiftVecReport report = ShiftVecReportFor(currentTarget);
bool pelletMechanicsOnly = false;
for (int i = 0; i < projectilePropsCE.pelletCount; i++)
{
ProjectileCE projectile = (ProjectileCE)ThingMaker.MakeThing(Projectile, null);
GenSpawn.Spawn(projectile, shootLine.Source, caster.Map);
ShiftTarget(report, pelletMechanicsOnly);
//New aiming algorithm
projectile.canTargetSelf = false;
var targDist = (sourceLoc - currentTarget.Cell.ToIntVec2.ToVector2Shifted()).magnitude;
if (targDist <= 2)
{
targDist *= 2; // Double to account for divide by 4 in ProjectileCE minimum collision distance calculations
}
projectile.minCollisionSqr = Mathf.Pow(targDist, 2);
projectile.intendedTarget = currentTarget.Thing;
projectile.mount = caster.Position.GetThingList(caster.Map).FirstOrDefault(t => t is Pawn && t != caster);
projectile.AccuracyFactor = report.accuracyFactor * report.swayDegrees * ((numShotsFired + 1) * 0.75f);
projectile.Launch(
Shooter, //Shooter instead of caster to give turret operators' records the damage/kills obtained
sourceLoc,
shotAngle,
shotRotation,
ShotHeight,
ShotSpeed,
EquipmentSource
);
pelletMechanicsOnly = true;
}
/// Log.Message("Fired from "+caster.ThingID+" at "+ShotHeight); ///
pelletMechanicsOnly = false;
numShotsFired++;
if (CompAmmo != null && !CompAmmo.CanBeFiredNow)
{
CompAmmo?.TryStartReload();
}
if (CompReloadable != null)
{
CompReloadable.UsedOnce();
}
return(true);
}
// Copy-constructor
public ShiftVecReport(ShiftVecReport report)
{
target = report.target;
aimEfficiency = report.aimEfficiency;
aimingAccuracy = report.aimingAccuracy;
circularMissRadius = report.circularMissRadius;
indirectFireShift = report.indirectFireShift;
lightingShift = report.lightingShift;
shotSpeed = report.shotSpeed;
shotDist = report.shotDist;
isAiming = report.isAiming;
swayDegrees = report.swayDegrees;
spreadDegrees = report.spreadDegrees;
cover = report.cover;
}
public virtual ShiftVecReport ShiftVecReportFor(LocalTargetInfo target)
{
IntVec3 targetCell = target.Cell;
ShiftVecReport report = new ShiftVecReport();
report.target = target;
report.aimingAccuracy = AimingAccuracy;
report.sightsEfficiency = SightsEfficiency;
report.shotDist = (targetCell - caster.Position).LengthHorizontal;
report.maxRange = verbProps.range;
report.lightingShift = CE_Utility.GetLightingShift(caster, LightingTracker.CombatGlowAtFor(caster.Position, targetCell));
if (!caster.Position.Roofed(caster.Map) || !targetCell.Roofed(caster.Map)) //Change to more accurate algorithm?
{
report.weatherShift = 1 - caster.Map.weatherManager.CurWeatherAccuracyMultiplier;
}
report.shotSpeed = ShotSpeed;
report.swayDegrees = SwayAmplitude;
var spreadmult = projectilePropsCE != null ? projectilePropsCE.spreadMult : 0f;
report.spreadDegrees = (EquipmentSource?.GetStatValue(StatDef.Named("ShotSpread")) ?? 0) * spreadmult;
Thing cover;
float smokeDensity;
GetHighestCoverAndSmokeForTarget(target, out cover, out smokeDensity);
report.cover = cover;
report.smokeDensity = smokeDensity;
if (Controller.settings.DebugVerbose)
{
Log.Message($"<color=red>CE</color>: <color=orange>{caster}</color> shooting <color=orange>{target.Thing}</color> <color=yellow>ShiftVecReport</color>\n" +
$"1- aimingAccuracy:{report.aimingAccuracy}\n" +
$"2- sightsEfficiency:{report.sightsEfficiency}\n" +
$"3- maxRange:{report.maxRange}\n" +
$"4- lightingShift:{report.lightingShift}\n" +
$"5- spreadDegrees:{report.spreadDegrees}\n" +
$"6- smokeDensity:{report.smokeDensity}\n" +
$"7- swayDegrees:{report.swayDegrees}\n" +
$"8- shotSpeed:{report.shotSpeed}\n" +
$"9- shotDist:{report.shotDist}\n");
}
return(report);
}
/// <summary>
/// Fires a projectile using the new aiming system
/// </summary>
/// <returns>True for successful shot, false otherwise</returns>
protected override bool TryCastShot()
{
if (!TryFindCEShootLineFromTo(caster.Position, currentTarget, out var shootLine))
{
return(false);
}
if (projectilePropsCE.pelletCount < 1)
{
Log.Error(EquipmentSource.LabelCap + " tried firing with pelletCount less than 1.");
return(false);
}
ShiftVecReport report = ShiftVecReportFor(currentTarget);
bool pelletMechanicsOnly = false;
for (int i = 0; i < projectilePropsCE.pelletCount; i++)
{
ProjectileCE projectile = (ProjectileCE)ThingMaker.MakeThing(Projectile, null);
GenSpawn.Spawn(projectile, shootLine.Source, caster.Map);
ShiftTarget(report, pelletMechanicsOnly);
//New aiming algorithm
projectile.canTargetSelf = false;
projectile.minCollisionSqr = (sourceLoc - currentTarget.Cell.ToIntVec2.ToVector2Shifted()).sqrMagnitude;
projectile.intendedTarget = currentTarget.Thing;
projectile.mount = caster.Position.GetThingList(caster.Map).FirstOrDefault(t => t is Pawn && t != caster);
projectile.AccuracyFactor = report.accuracyFactor * report.swayDegrees * ((numShotsFired + 1) * 0.75f);
projectile.Launch(
Shooter, //Shooter instead of caster to give turret operators' records the damage/kills obtained
sourceLoc,
shotAngle,
shotRotation,
ShotHeight,
ShotSpeed,
EquipmentSource
);
pelletMechanicsOnly = true;
}
pelletMechanicsOnly = false;
numShotsFired++;
return(true);
}
/// <summary>
/// Fires a projectile using the new aiming system
/// </summary>
/// <returns>True for successful shot, false otherwise</returns>
protected override bool TryCastShot()
{
ShootLine shootLine;
if (!base.TryFindShootLineFromTo(this.caster.Position, this.currentTarget, out shootLine))
{
return(false);
}
if (this.projectilePropsCE.pelletCount < 1)
{
Log.Error(this.ownerEquipment.LabelCap + " tried firing with pelletCount less than 1.");
return(false);
}
for (int i = 0; i < this.projectilePropsCE.pelletCount; i++)
{
Vector3 casterExactPosition = this.caster.DrawPos;
ProjectileCE projectile = (ProjectileCE)ThingMaker.MakeThing(projectileDef, null);
GenSpawn.Spawn(projectile, shootLine.Source, caster.Map);
float lengthHorizontalSquared = (this.currentTarget.Cell - this.caster.Position).LengthHorizontalSquared;
//New aiming algorithm
projectile.canFreeIntercept = true;
ShiftVecReport report = ShiftVecReportFor(this.currentTarget);
Vector3 targetVec3 = this.ShiftTarget(report);
projectile.shotAngle = this.shotAngle;
projectile.shotHeight = this.shotHeight;
projectile.shotSpeed = this.shotSpeed;
if (this.currentTarget.Thing != null)
{
projectile.Launch(this.caster, casterExactPosition, new LocalTargetInfo(this.currentTarget.Thing), targetVec3, this.ownerEquipment);
}
else
{
projectile.Launch(this.caster, casterExactPosition, new LocalTargetInfo(shootLine.Dest), targetVec3, this.ownerEquipment);
}
}
this.numShotsFired++;
return(true);
}
protected override bool TryCastShot()
{
ArtilleryMarker marker = ThingMaker.MakeThing(ThingDef.Named(ArtilleryMarker.MarkerDef)) as ArtilleryMarker;
ShiftVecReport report = ShiftVecReportFor(currentTarget);
marker.aimEfficiency = report.aimEfficiency;
marker.aimingAccuracy = report.aimingAccuracy;
marker.lightingShift = report.lightingShift;
marker.weatherShift = report.weatherShift;
GenSpawn.Spawn(marker, this.currentTarget.Cell, caster.Map);
// Check for something to attach marker to
if (this.currentTarget.HasThing)
{
CompAttachBase comp = this.currentTarget.Thing.TryGetComp <CompAttachBase>();
if (comp != null)
{
marker.AttachTo(this.currentTarget.Thing);
}
}
return(true);
}
/// <summary>
/// Shifts the original target position in accordance with target leading, range estimation and weather/lighting effects
/// </summary>
protected virtual void ShiftTarget(ShiftVecReport report, bool calculateMechanicalOnly = false)
{
if (!calculateMechanicalOnly)
{
Vector3 u = caster.TrueCenter();
sourceLoc.Set(u.x, u.z);
if (numShotsFired == 0)
{
// On first shot of burst do a range estimate
estimatedTargDist = report.GetRandDist();
}
Vector3 v = report.target.Thing?.TrueCenter() ?? report.target.Cell.ToVector3Shifted(); //report.targetPawn != null ? report.targetPawn.DrawPos + report.targetPawn.Drawer.leaner.LeanOffset * 0.5f : report.target.Cell.ToVector3Shifted();
if (report.targetPawn != null)
{
v += report.targetPawn.Drawer.leaner.LeanOffset * 0.5f;
}
newTargetLoc.Set(v.x, v.z);
// ----------------------------------- STEP 1: Actual location + Shift for visibility
//FIXME : GetRandCircularVec may be causing recoil to be unnoticeable - each next shot in the burst has a new random circular vector around the target.
newTargetLoc += report.GetRandCircularVec();
// ----------------------------------- STEP 2: Estimated shot to hit location
newTargetLoc = sourceLoc + (newTargetLoc - sourceLoc).normalized * estimatedTargDist;
// Lead a moving target
newTargetLoc += report.GetRandLeadVec();
// ----------------------------------- STEP 3: Recoil, Skewing, Skill checks, Cover calculations
rotationDegrees = 0f;
angleRadians = 0f;
GetSwayVec(ref rotationDegrees, ref angleRadians);
GetRecoilVec(ref rotationDegrees, ref angleRadians);
// Height difference calculations for ShotAngle
float targetHeight = 0f;
var coverRange = new CollisionVertical(report.cover).HeightRange; //Get " " cover, assume it is the edifice
// Projectiles with flyOverhead target the surface in front of the target
if (Projectile.projectile.flyOverhead)
{
targetHeight = coverRange.max;
}
else
{
var victimVert = new CollisionVertical(currentTarget.Thing);
var targetRange = victimVert.HeightRange; //Get lower and upper heights of the target
/*if (currentTarget.Thing is Building && CompFireModes?.CurrentAimMode == AimMode.SuppressFire)
* {
* targetRange.min = targetRange.max;
* targetRange.max = targetRange.min + 1f;
* }*/
if (targetRange.min < coverRange.max) //Some part of the target is hidden behind some cover
{
// - It is possible for targetRange.max < coverRange.max, technically, in which case the shooter will never hit until the cover is gone.
// - This should be checked for in LoS -NIA
targetRange.min = coverRange.max;
// Target fully hidden, shift aim upwards if we're doing suppressive fire
if (targetRange.max <= coverRange.max && CompFireModes?.CurrentAimMode == AimMode.SuppressFire)
{
targetRange.max = coverRange.max * 2;
}
}
else if (currentTarget.Thing is Pawn)
{
// Aim for center of mass on an exposed target
targetRange.min = victimVert.BottomHeight;
targetRange.max = victimVert.MiddleHeight;
}
targetHeight = VerbPropsCE.ignorePartialLoSBlocker ? 0 : targetRange.Average;
}
angleRadians += ProjectileCE.GetShotAngle(ShotSpeed, (newTargetLoc - sourceLoc).magnitude, targetHeight - ShotHeight, Projectile.projectile.flyOverhead, projectilePropsCE.Gravity);
}
// ----------------------------------- STEP 4: Mechanical variation
// Get shotvariation, in angle Vector2 RADIANS.
Vector2 spreadVec = report.GetRandSpreadVec();
// ----------------------------------- STEP 5: Finalization
var w = (newTargetLoc - sourceLoc);
shotRotation = (-90 + Mathf.Rad2Deg * Mathf.Atan2(w.y, w.x) + rotationDegrees + spreadVec.x) % 360;
shotAngle = angleRadians + spreadVec.y * Mathf.Deg2Rad;
}
/// <summary>
/// Fires a projectile using the new aiming system
/// </summary>
/// <returns>True for successful shot, false otherwise</returns>
protected override bool TryCastShot()
{
ShootLine shootLine;
if (!TryFindCEShootLineFromTo(caster.Position, currentTarget, out shootLine))
{
return(false);
}
Pawn p = CasterPawn != null ? CasterPawn : caster as Pawn;
if (caster != null)
{
// Log.Message("caster: " + caster.ToString() + " pos: " + caster.Position.ToString());
}
if (CasterPawn != null)
{
// Log.Message("casterPawn: " + CasterPawn.ToString() + " pos: " + CasterPawn.Position.ToString());
}
// Log.Message("currentTarget: " + currentTarget.ToString() + " pos: " + currentTarget.Cell.ToString());
if (p != null && !p.IsColonistPlayerControlled && p.equipment != null && p.equipment.Primary != null)
{
if (numShotsFired == 0)
{
CompFireModes compFireModes = p.equipment.Primary.TryGetComp <CompFireModes>();
if (compFireModes != null)
{
float lengthToTarget = Mathf.Abs((currentTarget.Cell - caster.Position).LengthHorizontal);
float rangemultiplier = this.VerbPropsCE.range / 60;
if (lengthToTarget <= (30 * rangemultiplier))
{
if (compFireModes.availableAimModes.Contains(AimMode.Snapshot) && compFireModes.currentAimModeInt != AimMode.Snapshot)
{
compFireModes.currentAimModeInt = AimMode.Snapshot;
// Log.Message("selected aimmode1: " + compFireModes.currentAimModeInt);
}
}
else
{
if (compFireModes.availableAimModes.Contains(AimMode.AimedShot) && compFireModes.currentAimModeInt != AimMode.AimedShot)
{
compFireModes.currentAimModeInt = AimMode.AimedShot;
// Log.Message("selected aimmode2: " + compFireModes.currentAimModeInt);
}
}
if (compFireModes.availableFireModes.Count > 1)
{
if (lengthToTarget <= (50 * rangemultiplier))
{
if (compFireModes.availableFireModes.Contains(FireMode.AutoFire) && compFireModes.currentFireModeInt != FireMode.AutoFire)
{
compFireModes.currentFireModeInt = FireMode.AutoFire;
// Log.Message("selected firemode1: " + compFireModes.currentFireModeInt.ToString());
}
}
else
{
if (compFireModes.availableFireModes.Contains(FireMode.SingleFire) && compFireModes.currentFireModeInt != FireMode.SingleFire)
{
compFireModes.currentFireModeInt = FireMode.SingleFire;
// Log.Message("selected firemode2: " + compFireModes.currentFireModeInt.ToString());
}
}
}
}
}
}
if (p != null)
{
if ((Mathf.Abs(cachedShotRotation - shotRotation)) >= 15 && numShotsFired == 0)
{
cachedShotRotation = shotRotation;
p.Drawer.Notify_WarmingCastAlongLine(shootLine, caster.Position);
}
}
if (projectilePropsCE.pelletCount < 1)
{
Log.Error(EquipmentSource.LabelCap + " tried firing with pelletCount less than 1.");
return(false);
}
ShiftVecReport report = ShiftVecReportFor(currentTarget);
bool pelletMechanicsOnly = false;
for (int i = 0; i < projectilePropsCE.pelletCount; i++)
{
ProjectileCE projectile = (ProjectileCE)ThingMaker.MakeThing(Projectile, null);
GenSpawn.Spawn(projectile, shootLine.Source, caster.Map);
ShiftTarget(report, pelletMechanicsOnly);
//New aiming algorithm
projectile.canTargetSelf = false;
projectile.minCollisionSqr = (sourceLoc - currentTarget.Cell.ToIntVec2.ToVector2Shifted()).sqrMagnitude;
projectile.intendedTarget = currentTarget.Thing;
projectile.Launch(
Shooter, //Shooter instead of caster to give turret operators' records the damage/kills obtained
sourceLoc,
shotAngle,
shotRotation,
ShotHeight,
ShotSpeed,
EquipmentSource
);
pelletMechanicsOnly = true;
// Log.Message("proj: " + projectile.ToString() + " shootlineSource: " + shootLine.Source.ToString() + " caster: " + caster.ToString() + " currentTarget.Thing: " + currentTarget.Thing.ToString() + " report: " + report.ToString());
// Log.Message("minCollisionSqr: " + projectile.minCollisionSqr.ToString() + " intendedTarget : " + projectile.intendedTarget.ToString() + " Shooter: " + Shooter.ToString()
// + " sourceLoc: " + sourceLoc.ToString() + " shotAngle: " + shotAngle.ToString() + " shotRotation: " + shotRotation.ToString() + " ShotHeight: " + ShotHeight.ToString()
// + " ShotHeight: " + ShotHeight.ToString() + "ShotSpeed: " + ShotSpeed.ToString() + " EquipmentSource: " + EquipmentSource.ToString());
}
pelletMechanicsOnly = false;
this.numShotsFired++;
return(true);
}
/// <summary>
/// Fires a projectile using the new aiming system
/// </summary>
/// <returns>True for successful shot, false otherwise</returns>
public override bool TryCastShot()
{
if (!TryFindCEShootLineFromTo(caster.Position, currentTarget, out var shootLine))
{
return(false);
}
if (projectilePropsCE.pelletCount < 1)
{
Log.Error(EquipmentSource.LabelCap + " tried firing with pelletCount less than 1.");
return(false);
}
bool instant = false;
float spreadDegrees = 0;
float aperatureSize = 0;
if (Projectile.projectile is ProjectilePropertiesCE pprop)
{
instant = pprop.isInstant;
spreadDegrees = (EquipmentSource?.GetStatValue(StatDef.Named("ShotSpread")) ?? 0) * pprop.spreadMult;
aperatureSize = 0.03f;
}
ShiftVecReport report = ShiftVecReportFor(currentTarget);
bool pelletMechanicsOnly = false;
for (int i = 0; i < projectilePropsCE.pelletCount; i++)
{
ProjectileCE projectile = (ProjectileCE)ThingMaker.MakeThing(Projectile, null);
GenSpawn.Spawn(projectile, shootLine.Source, caster.Map);
ShiftTarget(report, pelletMechanicsOnly, instant);
//New aiming algorithm
projectile.canTargetSelf = false;
var targetDistance = (sourceLoc - currentTarget.Cell.ToIntVec2.ToVector2Shifted()).magnitude;
projectile.minCollisionDistance = GetMinCollisionDistance(targetDistance);
projectile.intendedTarget = currentTarget;
projectile.mount = caster.Position.GetThingList(caster.Map).FirstOrDefault(t => t is Pawn && t != caster);
projectile.AccuracyFactor = report.accuracyFactor * report.swayDegrees * ((numShotsFired + 1) * 0.75f);
if (instant)
{
var shotHeight = ShotHeight;
float tsa = AdjustShotHeight(caster, currentTarget, ref shotHeight);
projectile.RayCast(
Shooter,
verbProps,
sourceLoc,
shotAngle + tsa,
shotRotation,
shotHeight,
ShotSpeed,
spreadDegrees,
aperatureSize,
EquipmentSource);
}
else
{
projectile.Launch(
Shooter, //Shooter instead of caster to give turret operators' records the damage/kills obtained
sourceLoc,
shotAngle,
shotRotation,
ShotHeight,
ShotSpeed,
EquipmentSource);
}
pelletMechanicsOnly = true;
}
/*
* Notify the lighting tracker that shots fired with muzzle flash value of VerbPropsCE.muzzleFlashScale
*/
LightingTracker.Notify_ShotsFiredAt(caster.Position, intensity: VerbPropsCE.muzzleFlashScale);
pelletMechanicsOnly = false;
numShotsFired++;
if (CompAmmo != null && !CompAmmo.CanBeFiredNow)
{
CompAmmo?.TryStartReload();
}
if (CompReloadable != null)
{
CompReloadable.UsedOnce();
}
return(true);
}
/// <summary>
/// Shifts the original target position in accordance with target leading, range estimation and weather/lighting effects
/// </summary>
protected virtual Vector3 ShiftTarget(ShiftVecReport report)
{
// ----------------------------------- STEP 0: Actual location
Vector3 targetLoc = report.targetPawn != null?Vector3.Scale(report.targetPawn.DrawPos, new Vector3(1, 0, 1)) : report.target.Cell.ToVector3Shifted();
Vector3 sourceLoc = this.CasterPawn != null?Vector3.Scale(this.CasterPawn.DrawPos, new Vector3(1, 0, 1)) : this.caster.Position.ToVector3Shifted();
// ----------------------------------- STEP 1: Shift for visibility
Vector2 circularShiftVec = report.GetRandCircularVec();
Vector3 newTargetLoc = targetLoc;
newTargetLoc.x += circularShiftVec.x;
newTargetLoc.z += circularShiftVec.y;
// ----------------------------------- STEP 2: Estimated shot to hit location
// On first shot of burst do a range estimate
if (this.estimatedTargDist < 0)
{
this.estimatedTargDist = report.GetRandDist();
}
newTargetLoc = sourceLoc + (newTargetLoc - sourceLoc).normalized * this.estimatedTargDist;
// Lead a moving target
newTargetLoc += report.GetRandLeadVec();
// ----------------------------------- STEP 3: Recoil, Skewing, Skill checks, Cover calculations
Vector2 skewVec = new Vector2(0, 0);
skewVec += this.GetSwayVec();
skewVec += this.GetRecoilVec();
// Height difference calculations for ShotAngle
float heightDifference = 0;
float targetableHeight = 0;
// Projectiles with flyOverhead target the ground below the target and ignore cover
if (!projectileDef.projectile.flyOverhead)
{
targetableHeight = CE_Utility.GetCollisionHeight(this.currentTarget.Thing);
if (report.cover != null)
{
targetableHeight += CE_Utility.GetCollisionHeight(report.cover);
}
heightDifference += targetableHeight * 0.5f; //Optimal hit level is halfway
}
this.shotHeight = CE_Utility.GetCollisionHeight(this.caster);
if (this.CasterPawn != null)
{
this.shotHeight *= shotHeightFactor;
}
heightDifference -= this.shotHeight;
skewVec += new Vector2(0, GetShotAngle(this.shotSpeed, (newTargetLoc - sourceLoc).magnitude, heightDifference) * (180 / (float)Math.PI));
// ----------------------------------- STEP 4: Mechanical variation
// Get shotvariation
Vector2 spreadVec = report.GetRandSpreadVec();
skewVec += spreadVec;
// Skewing - Applied after the leading calculations to not screw them up
float distanceTraveled = GetDistanceTraveled(this.shotSpeed, (float)(skewVec.y * (Math.PI / 180)), this.shotHeight);
newTargetLoc = sourceLoc + ((newTargetLoc - sourceLoc).normalized * distanceTraveled);
newTargetLoc = sourceLoc + (Quaternion.AngleAxis(skewVec.x, Vector3.up) * (newTargetLoc - sourceLoc));
this.shotAngle = (float)(skewVec.y * (Math.PI / 180));
return(newTargetLoc);
}
