// Added targetThing to parameters so we can calculate its height
private bool CanHitCellFromCellIgnoringRange(Vector3 shotSource, IntVec3 targetLoc, Thing targetThing = null)
{
// Vanilla checks
if (verbProps.mustCastOnOpenGround && (!targetLoc.Standable(caster.Map) || caster.Map.thingGrid.CellContains(targetLoc, ThingCategory.Pawn)))
{
return(false);
}
if (verbProps.requireLineOfSight)
{
// Calculate shot vector
Vector3 targetPos;
if (targetThing != null)
{
Vector3 targDrawPos = targetThing.DrawPos;
targetPos = new Vector3(targDrawPos.x, new CollisionVertical(targetThing).Max, targDrawPos.z);
var targPawn = targetThing as Pawn;
if (targPawn != null)
{
targetPos += targPawn.Drawer.leaner.LeanOffset * 0.6f;
}
}
else
{
targetPos = targetLoc.ToVector3Shifted();
}
Ray shotLine = new Ray(shotSource, (targetPos - shotSource));
// Create validator to check for intersection with partial cover
var aimMode = CompFireModes?.CurrentAimMode;
Predicate <IntVec3> CanShootThroughCell = (IntVec3 cell) =>
{
Thing cover = cell.GetFirstPawn(caster.Map) ?? cell.GetCover(caster.Map);
if (cover != null && cover != ShooterPawn && cover != caster && cover != targetThing && !cover.IsPlant() && !(cover is Pawn && cover.HostileTo(caster)))
{
// Skip this check entirely if we're doing suppressive fire and cell is adjacent to target
if ((VerbPropsCE.ignorePartialLoSBlocker || aimMode == AimMode.SuppressFire) && cover.def.Fillage != FillCategory.Full)
{
return(true);
}
Bounds bounds = CE_Utility.GetBoundsFor(cover);
// Simplified calculations for adjacent cover for gameplay purposes
if (cover.def.Fillage != FillCategory.Full && cover.AdjacentTo8WayOrInside(caster))
{
// Sanity check to prevent stuff behind us blocking LoS
var cellTargDist = cell.DistanceTo(targetLoc);
var shotTargDist = shotSource.ToIntVec3().DistanceTo(targetLoc);
if (shotTargDist > cellTargDist)
{
return(cover is Pawn || bounds.size.y < shotSource.y);
}
}
// Check for intersect
if (bounds.IntersectRay(shotLine))
{
if (Controller.settings.DebugDrawPartialLoSChecks)
{
caster.Map.debugDrawer.FlashCell(cell, 0, bounds.extents.y.ToString());
}
return(false);
}
if (Controller.settings.DebugDrawPartialLoSChecks)
{
caster.Map.debugDrawer.FlashCell(cell, 0.7f, bounds.extents.y.ToString());
}
}
return(true);
};
// Add validator to parameters
foreach (IntVec3 curCell in SightUtility.GetCellsOnLine(shotSource, targetLoc.ToVector3(), caster.Map))
{
if (Controller.settings.DebugDrawPartialLoSChecks)
{
caster.Map.debugDrawer.FlashCell(curCell, 0.4f);
}
if (curCell != shotSource.ToIntVec3() && curCell != targetLoc && !CanShootThroughCell(curCell))
{
return(false);
}
}
}
return(true);
}
