protected override void Impact(Thing hitThing)
{
Map map = base.Map;
base.Impact(hitThing);
if (hitThing != null)
{
int damageAmountBase = def.projectile.damageAmountBase;
ThingDef equipmentDef = this.equipmentDef;
DamageDefExtensionCE damDefCE = def.projectile.damageDef.GetModExtension <DamageDefExtensionCE>() ?? new DamageDefExtensionCE();
DamageInfo dinfo = new DamageInfo(
def.projectile.damageDef,
damageAmountBase,
ExactRotation.eulerAngles.y,
launcher,
null,
def);
// Set impact height
BodyPartDepth partDepth = damDefCE != null && damDefCE.harmOnlyOutsideLayers ? BodyPartDepth.Outside : BodyPartDepth.Undefined;
BodyPartHeight partHeight = new CollisionVertical(hitThing).GetCollisionBodyHeight(Height);
dinfo.SetBodyRegion(partHeight, partDepth);
if (damDefCE != null && damDefCE.harmOnlyOutsideLayers)
{
dinfo.SetBodyRegion(BodyPartHeight.Undefined, BodyPartDepth.Outside);
}
// Apply primary damage
hitThing.TakeDamage(dinfo);
// Apply secondary to non-pawns (pawn secondary damage is handled in the damage worker)
var projectilePropsCE = def.projectile as ProjectilePropertiesCE;
if (!(hitThing is Pawn) && projectilePropsCE != null && !projectilePropsCE.secondaryDamage.NullOrEmpty())
{
foreach (SecondaryDamage cur in projectilePropsCE.secondaryDamage)
{
if (hitThing.Destroyed)
{
break;
}
var secDinfo = new DamageInfo(
cur.def,
cur.amount,
ExactRotation.eulerAngles.y,
launcher,
null,
def);
hitThing.TakeDamage(secDinfo);
}
}
}
else
{
SoundDefOf.BulletImpactGround.PlayOneShot(new TargetInfo(base.Position, map, false));
MoteMaker.MakeStaticMote(ExactPosition, map, ThingDefOf.Mote_ShotHit_Dirt, 1f);
}
}
/// <summary>
/// Selects a random BodyPartHeight out of the ones our CasterPawn can hit, depending on our body size vs the target's. So a rabbit can hit top height of another rabbit, but not of a human.
/// </summary>
/// <param name="target"></param>
/// <returns></returns>
private BodyPartHeight GetBodyPartHeightFor(LocalTargetInfo target)
{
Pawn pawn = target.Thing as Pawn;
if (pawn == null || CasterPawn == null)
{
return(BodyPartHeight.Undefined);
}
var casterReach = new CollisionVertical(CasterPawn).Max * 1.2f;
var targetHeight = new CollisionVertical(pawn);
BodyPartHeight maxHeight = targetHeight.GetRandWeightedBodyHeightBelow(casterReach);
BodyPartHeight height = (BodyPartHeight)Rand.RangeInclusive(1, (int)maxHeight);
return(height);
}
public static Bounds GetBoundsFor(Thing thing)
{
if (thing == null)
{
return(new Bounds());
}
var height = new CollisionVertical(thing);
var width = GetCollisionWidth(thing);
var thingPos = thing.DrawPos;
thingPos.y = height.Max - height.HeightRange.Span / 2;
Bounds bounds = new Bounds(thingPos, new Vector3(width, height.HeightRange.Span, width));
return(bounds);
}
protected override void Impact(Thing hitThing)
{
Map map = base.Map;
base.Impact(hitThing);
if (hitThing != null)
{
int damageAmountBase = def.projectile.damageAmountBase;
ThingDef equipmentDef = this.equipmentDef;
DamageDefExtensionCE damDefCE = def.projectile.damageDef.GetModExtension <DamageDefExtensionCE>() ?? new DamageDefExtensionCE();
DamageInfo dinfo = new DamageInfo(
def.projectile.damageDef,
damageAmountBase,
ExactRotation.eulerAngles.y,
launcher,
null,
def);
// Set impact height
BodyPartDepth partDepth = damDefCE != null && damDefCE.harmOnlyOutsideLayers ? BodyPartDepth.Outside : BodyPartDepth.Undefined;
BodyPartHeight partHeight = new CollisionVertical(hitThing).GetCollisionBodyHeight(Height);
dinfo.SetBodyRegion(partHeight, partDepth);
if (damDefCE != null && damDefCE.harmOnlyOutsideLayers)
{
dinfo.SetBodyRegion(BodyPartHeight.Undefined, BodyPartDepth.Outside);
}
// Apply primary damage
hitThing.TakeDamage(dinfo);
}
else
{
SoundDefOf.BulletImpactGround.PlayOneShot(new TargetInfo(base.Position, map, false));
MoteMaker.MakeStaticMote(ExactPosition, map, ThingDefOf.Mote_ShotHit_Dirt, 1f);
}
}
/// <summary>
/// Checks for cover along the flight path of the bullet, doesn't check for walls or trees, only intended for cover with partial fillPercent
/// </summary>
/// <param name="target">The target of which to find cover of</param>
/// <param name="cover">Output parameter, filled with the highest cover object found</param>
/// <returns>True if cover was found, false otherwise</returns>
private bool GetHighestCoverAndSmokeForTarget(LocalTargetInfo target, out Thing cover, out float smokeDensity)
{
Map map = caster.Map;
Thing targetThing = target.Thing;
Thing highestCover = null;
float highestCoverHeight = 0f;
smokeDensity = 0;
// Iterate through all cells on line of sight and check for cover and smoke
var cells = GenSight.PointsOnLineOfSight(target.Cell, caster.Position).ToArray();
if (cells.Length < 3)
{
cover = null;
return(false);
}
for (int i = 0; i <= cells.Length / 2; i++)
{
var cell = cells[i];
if (cell.AdjacentTo8Way(caster.Position))
{
continue;
}
// Check for smoke
var gas = cell.GetGas(map);
if (gas != null)
{
smokeDensity += gas.def.gas.accuracyPenalty;
}
// Check for cover in the second half of LoS
if (i <= cells.Length / 2)
{
Pawn pawn = cell.GetFirstPawn(map);
Thing newCover = pawn == null?cell.GetCover(map) : pawn;
float newCoverHeight = new CollisionVertical(newCover).Max;
// Cover check, if cell has cover compare collision height and get the highest piece of cover, ignore if cover is the target (e.g. solar panels, crashed ship, etc)
if (newCover != null &&
(targetThing == null || !newCover.Equals(targetThing)) &&
(highestCover == null || highestCoverHeight < newCoverHeight) &&
newCover.def.Fillage == FillCategory.Partial &&
!newCover.IsPlant())
{
highestCover = newCover;
highestCoverHeight = newCoverHeight;
if (Controller.settings.DebugDrawTargetCoverChecks)
{
map.debugDrawer.FlashCell(cell, highestCoverHeight, highestCoverHeight.ToString());
}
}
}
}
cover = highestCover;
//Report success if found cover
return(cover != null);
}
/// <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;
}
protected override void Impact(Thing hitThing)
{
Map map = base.Map;
BattleLogEntry_RangedImpact logEntry = null;
if (logMisses
||
(!logMisses &&
hitThing != null &&
(hitThing is Pawn ||
hitThing is Building_Turret)
))
{
LogImpact(hitThing, out logEntry);
}
if (hitThing != null)
{
int damageAmountBase = def.projectile.damageAmountBase;
DamageDefExtensionCE damDefCE = def.projectile.damageDef.GetModExtension <DamageDefExtensionCE>() ?? new DamageDefExtensionCE();
DamageInfo dinfo = new DamageInfo(
def.projectile.damageDef,
damageAmountBase,
ExactRotation.eulerAngles.y,
launcher,
null,
def);
// Set impact height
BodyPartDepth partDepth = damDefCE != null && damDefCE.harmOnlyOutsideLayers ? BodyPartDepth.Outside : BodyPartDepth.Undefined;
//NOTE: ExactPosition.y isn't always Height at the point of Impact!
BodyPartHeight partHeight = new CollisionVertical(hitThing).GetCollisionBodyHeight(ExactPosition.y);
dinfo.SetBodyRegion(partHeight, partDepth);
if (damDefCE != null && damDefCE.harmOnlyOutsideLayers)
{
dinfo.SetBodyRegion(BodyPartHeight.Undefined, BodyPartDepth.Outside);
}
// Apply primary damage
hitThing.TakeDamage(dinfo).InsertIntoLog(logEntry);
// Apply secondary to non-pawns (pawn secondary damage is handled in the damage worker)
var projectilePropsCE = def.projectile as ProjectilePropertiesCE;
if (!(hitThing is Pawn) && projectilePropsCE != null && !projectilePropsCE.secondaryDamage.NullOrEmpty())
{
foreach (SecondaryDamage cur in projectilePropsCE.secondaryDamage)
{
if (hitThing.Destroyed)
{
break;
}
var secDinfo = new DamageInfo(
cur.def,
cur.amount,
ExactRotation.eulerAngles.y,
launcher,
null,
def);
hitThing.TakeDamage(secDinfo).InsertIntoLog(logEntry);
}
}
}
else
{
SoundDefOf.BulletImpactGround.PlayOneShot(new TargetInfo(base.Position, map, false));
//Only display a dirt hit for projectiles with a dropshadow
if (base.castShadow)
{
MoteMaker.MakeStaticMote(ExactPosition, map, ThingDefOf.Mote_ShotHit_Dirt, 1f);
}
}
base.Impact(hitThing);
}
private static void CalculateHeightRange(Thing thing, out FloatRange heightRange, out float shotHeight)
{
shotHeight = 0;
heightRange = new FloatRange(0, 0);
if (thing == null)
{
return;
}
var plant = thing as Plant;
if (plant != null)
{
//Height matches up exactly with visual size
heightRange = new FloatRange(0f, BoundsInjector.ForPlant(plant).y);
return;
}
if (thing is Building)
{
if (thing is Building_Door door && door.Open)
{
return; //returns heightRange = (0,0) & shotHeight = 0. If not open, doors have FillCategory.Full so returns (0, WallCollisionHeight)
}
if (thing.def.Fillage == FillCategory.Full)
{
heightRange = new FloatRange(0, WallCollisionHeight);
shotHeight = WallCollisionHeight;
return;
}
float fillPercent = thing.def.fillPercent;
heightRange = new FloatRange(Mathf.Min(0f, fillPercent), Mathf.Max(0f, fillPercent));
shotHeight = fillPercent;
return;
}
float collisionHeight = 0f;
float shotHeightOffset = 0;
var pawn = thing as Pawn;
if (pawn != null)
{
collisionHeight = CE_Utility.GetCollisionBodyFactors(pawn).y;
shotHeightOffset = collisionHeight * (1 - BodyRegionMiddleHeight);
// Humanlikes in combat crouch to reduce their profile
if (pawn.IsCrouching())
{
float crouchHeight = BodyRegionBottomHeight * collisionHeight; // Minimum height we can crouch down to
// Find the highest adjacent cover
Map map = pawn.Map;
foreach (IntVec3 curCell in GenAdjFast.AdjacentCells8Way(pawn.Position))
{
if (curCell.InBounds(map))
{
Thing cover = curCell.GetCover(map);
if (cover != null && cover.def.Fillage == FillCategory.Partial && !cover.IsPlant())
{
var coverHeight = new CollisionVertical(cover).Max;
if (coverHeight > crouchHeight)
{
crouchHeight = coverHeight;
}
}
}
}
collisionHeight = Mathf.Min(collisionHeight, crouchHeight + 0.01f + shotHeightOffset); // We crouch down only so far that we can still shoot over our own cover and never beyond our own body size
}
}
else
{
collisionHeight = thing.def.fillPercent;
}
var edificeHeight = 0f;
if (thing.Map != null)
{
var edifice = thing.Position.GetCover(thing.Map);
if (edifice != null && edifice.GetHashCode() != thing.GetHashCode() && !edifice.IsPlant())
{
edificeHeight = new CollisionVertical(edifice).heightRange.max;
}
}
float fillPercent2 = collisionHeight;
heightRange = new FloatRange(Mathf.Min(edificeHeight, edificeHeight + fillPercent2), Mathf.Max(edificeHeight, edificeHeight + fillPercent2));
shotHeight = heightRange.max - shotHeightOffset;
}
public override void Impact(Thing hitThing)
{
bool cookOff = (launcher is AmmoThing);
Map map = base.Map;
LogEntry_DamageResult logEntry = null;
if (!cookOff && (logMisses || hitThing is Pawn || hitThing is Building_Turret))
{
LogImpact(hitThing, out logEntry);
}
if (hitThing != null)
{
// launcher being the pawn equipping the weapon, not the weapon itself
float damageAmountBase = DamageAmount;
var projectilePropsCE = (ProjectilePropertiesCE)def.projectile;
var isSharpDmg = def.projectile.damageDef.armorCategory == DamageArmorCategoryDefOf.Sharp;
var penetration = PenetrationAmount;
var damDefCE = def.projectile.damageDef.GetModExtension <DamageDefExtensionCE>() ?? new DamageDefExtensionCE();
var dinfo = new DamageInfo(
def.projectile.damageDef,
damageAmountBase,
penetration, //Armor Penetration
ExactRotation.eulerAngles.y,
launcher,
null,
def);
// Set impact height
BodyPartDepth partDepth = damDefCE.harmOnlyOutsideLayers ? BodyPartDepth.Outside : BodyPartDepth.Undefined;
//NOTE: ExactPosition.y isn't always Height at the point of Impact!
BodyPartHeight partHeight = new CollisionVertical(hitThing).GetCollisionBodyHeight(ExactPosition.y);
dinfo.SetBodyRegion(partHeight, partDepth);
if (damDefCE.harmOnlyOutsideLayers)
{
dinfo.SetBodyRegion(BodyPartHeight.Undefined, BodyPartDepth.Outside);
}
//The following code excludes turrets etcetera from having cook off projectile impacts recorded in their combat log.
//If it is necessary to add cook off to turret logs, a new BattleLogEntry_ must be created, because BattleLogEntry_DamageTaken,
//which is the only method capable of handling cookoff and only using pawns, can not take !(hitThing is Pawn).
if (cookOff && hitThing is Pawn hitPawn)
{
logEntry =
new BattleLogEntry_DamageTaken(
hitPawn,
CookOff
);
Find.BattleLog.Add(logEntry);
}
try
{
// Apply primary damage
hitThing.TakeDamage(dinfo).AssociateWithLog(logEntry);
// Apply secondary to non-pawns (pawn secondary damage is handled in the damage worker)
// The !(hitThing is Pawn) already excludes non-pawn cookoff projectiles from being logged, as logEntry == null
if (!(hitThing is Pawn) && projectilePropsCE != null && !projectilePropsCE.secondaryDamage.NullOrEmpty())
{
foreach (SecondaryDamage cur in projectilePropsCE.secondaryDamage)
{
if (hitThing.Destroyed || !Rand.Chance(cur.chance))
{
break;
}
var secDinfo = cur.GetDinfo(dinfo);
hitThing.TakeDamage(secDinfo).AssociateWithLog(logEntry);
}
}
}
catch (Exception e)
{
Log.Error("CombatExtended :: BulletCE impacting thing " + hitThing.LabelCap + " of def " + hitThing.def.LabelCap + " added by mod " + hitThing.def.modContentPack.Name + ". See following stacktrace for information.");
throw e;
}
finally
{
base.Impact(hitThing);
}
}
else
{
SoundDefOf.BulletImpact_Ground.PlayOneShot(new TargetInfo(base.Position, map, false));
//Only display a dirt/water hit for projectiles with a dropshadow
if (base.castShadow)
{
FleckMaker.Static(this.ExactPosition, map, FleckDefOf.ShotHit_Dirt, 1f);
if (base.Position.GetTerrain(map).takeSplashes)
{
FleckMaker.WaterSplash(this.ExactPosition, map, Mathf.Sqrt(def.projectile.GetDamageAmount(this.launcher)) * 1f, 4f);
}
}
base.Impact(null);
}
NotifyImpact(hitThing, map, Position);
}
protected override void Impact(Thing hitThing)
{
bool cookOff = (launcher is AmmoThing);
Map map = base.Map;
LogEntry_DamageResult logEntry = null;
if (logMisses
||
(!logMisses &&
hitThing != null &&
(hitThing is Pawn ||
hitThing is Building_Turret)
))
{
if (!cookOff)
{
LogImpact(hitThing, out logEntry);
}
}
if (hitThing != null)
{
// launcher being the pawn equipping the weapon, not the weapon itself
int damageAmountBase = def.projectile.GetDamageAmount(1);
DamageDefExtensionCE damDefCE = def.projectile.damageDef.GetModExtension <DamageDefExtensionCE>() ?? new DamageDefExtensionCE();
var projectilePropsCE = (ProjectilePropertiesCE)def.projectile;
DamageInfo dinfo = new DamageInfo(
def.projectile.damageDef,
damageAmountBase,
projectilePropsCE.GetArmorPenetration(1), //Armor Penetration
ExactRotation.eulerAngles.y,
launcher,
null,
def);
// Set impact height
BodyPartDepth partDepth = damDefCE != null && damDefCE.harmOnlyOutsideLayers ? BodyPartDepth.Outside : BodyPartDepth.Undefined;
//NOTE: ExactPosition.y isn't always Height at the point of Impact!
BodyPartHeight partHeight = new CollisionVertical(hitThing).GetCollisionBodyHeight(ExactPosition.y);
dinfo.SetBodyRegion(partHeight, partDepth);
if (damDefCE != null && damDefCE.harmOnlyOutsideLayers)
{
dinfo.SetBodyRegion(BodyPartHeight.Undefined, BodyPartDepth.Outside);
}
//The following code excludes turrets etcetera from having cook off projectile impacts recorded in their combat log.
//If it is necessary to add cook off to turret logs, a new BattleLogEntry_ must be created, because BattleLogEntry_DamageTaken,
//which is the only method capable of handling cookoff and only using pawns, can not take !(hitThing is Pawn).
if (cookOff && hitThing is Pawn)
{
logEntry =
new BattleLogEntry_DamageTaken(
(Pawn)hitThing,
DefDatabase <RulePackDef> .GetNamed("DamageEvent_CookOff"));
Find.BattleLog.Add(logEntry);
}
// Apply primary damage
hitThing.TakeDamage(dinfo).AssociateWithLog(logEntry);
// Apply secondary to non-pawns (pawn secondary damage is handled in the damage worker)
// The !(hitThing is Pawn) already excludes non-pawn cookoff projectiles from being logged, as logEntry == null
if (!(hitThing is Pawn) && projectilePropsCE != null && !projectilePropsCE.secondaryDamage.NullOrEmpty())
{
foreach (SecondaryDamage cur in projectilePropsCE.secondaryDamage)
{
if (hitThing.Destroyed)
{
break;
}
var secDinfo = new DamageInfo(
cur.def,
cur.amount,
projectilePropsCE.GetArmorPenetration(1), //Armor Penetration
ExactRotation.eulerAngles.y,
launcher,
null,
def
);
hitThing.TakeDamage(secDinfo).AssociateWithLog(logEntry);
}
}
}
else
{
SoundDefOf.BulletImpact_Ground.PlayOneShot(new TargetInfo(base.Position, map, false));
//Only display a dirt/water hit for projectiles with a dropshadow
if (base.castShadow)
{
MoteMaker.MakeStaticMote(this.ExactPosition, map, ThingDefOf.Mote_ShotHit_Dirt, 1f);
if (base.Position.GetTerrain(map).takeSplashes)
{
MoteMaker.MakeWaterSplash(this.ExactPosition, map, Mathf.Sqrt(def.projectile.GetDamageAmount(this.launcher)) * 1f, 4f);
}
}
}
base.Impact(hitThing);
}
