public void GetTrimmedRange(LocAndOffsets originLoc, LocAndOffsets tgtLoc, float radiusInch, float maxRangeInch,
float incrementInches)
{
trimmedRangeInches = maxRangeInch;
using var rayPkt = new RaycastPacket();
rayPkt.sourceObj = null;
rayPkt.origin = originLoc;
rayPkt.rayRangeInches = maxRangeInch;
rayPkt.targetLoc = tgtLoc;
rayPkt.radius = radiusInch;
rayPkt.flags = RaycastFlag.ExcludeItemObjects | RaycastFlag.HasRadius | RaycastFlag.HasRangeLimit;
rayPkt.Raycast();
foreach (var rayRes in rayPkt)
{
if (rayRes.obj == null)
{
var dist = rayPkt.origin.DistanceTo(rayRes.loc);
if (dist < trimmedRangeInches)
{
trimmedRangeInches = dist;
}
}
}
if (incrementInches > 0)
{
trimmedRangeInches = MathF.Ceiling(trimmedRangeInches / incrementInches) * incrementInches;
}
}
// must have valid trimmedRangeInches value; must also free preexisting ObjectList!
public void GetTargetsInPath(LocAndOffsets originLoc, LocAndOffsets tgtLoc, float radiusInch)
{
using var rayPkt = new RaycastPacket();
rayPkt.sourceObj = null;
rayPkt.origin = originLoc;
rayPkt.rayRangeInches = trimmedRangeInches;
rayPkt.targetLoc = tgtLoc;
rayPkt.radius = radiusInch;
rayPkt.flags = RaycastFlag.ExcludeItemObjects | RaycastFlag.HasRadius | RaycastFlag.HasRangeLimit;
rayPkt.Raycast();
if (rayPkt.Count > 0)
{
result.objList = new List <GameObject>();
foreach (var resultItem in rayPkt)
{
if (resultItem.obj != null)
{
result.objList.Add(resultItem.obj);
}
}
// is this ok? what if no ObjectHandles.were found? (this is in the original)
result.flags |= PickerResultFlags.PRF_HAS_MULTI_OBJ;
}
}
private int SearchInStraightLine(ref AnimPathData boPkt)
{
if (boPkt.srcLoc.EstimateDistance(boPkt.destLoc) > 32)
{
return(0);
}
var regardSinks = (boPkt.flags & AnimPathDataFlags.UNK_8) != 0;
MapObjectSystem.ObstacleFlag flags = 0;
if ((boPkt.flags & AnimPathDataFlags.CantOpenDoors) != 0)
{
flags = MapObjectSystem.ObstacleFlag.UNK_1;
}
if ((boPkt.flags & AnimPathDataFlags.UNK_4) != 0)
{
flags |= MapObjectSystem.ObstacleFlag.UNK_2;
}
if ((boPkt.flags & AnimPathDataFlags.UNK10) != 0)
{
flags |= MapObjectSystem.ObstacleFlag.UNK_4;
}
var curLoc = boPkt.srcLoc;
int i;
for (i = 0; i < boPkt.size; i++)
{
if (curLoc == boPkt.destLoc)
{
break;
}
var direction = curLoc.GetCompassDirection(boPkt.destLoc);
boPkt.deltas[i] = (sbyte)direction;
var nextLoc = curLoc.Offset(direction);
var backoffFlags = boPkt.flags;
if ((backoffFlags & AnimPathDataFlags.UNK40) == 0)
{
if (nextLoc == boPkt.destLoc && (backoffFlags & AnimPathDataFlags.UNK_1) != 0)
{
curLoc = nextLoc;
continue;
}
if (!regardSinks &&
(backoffFlags & AnimPathDataFlags.UNK_4000) == 0 &&
GameSystems.Tile.IsBlockingOldVersion(nextLoc))
{
break;
}
if (GameSystems.MapObject.HasBlockingObjectInDir(boPkt.handle, new LocAndOffsets(curLoc), direction,
flags))
{
break;
}
if ((boPkt.flags & AnimPathDataFlags.UNK_2000) != 0)
{
using var objIterator = new RaycastPacket();
objIterator.flags |= RaycastFlag.StopAfterFirstFlyoverFound
| RaycastFlag.StopAfterFirstBlockerFound
| RaycastFlag.HasSourceObj
| RaycastFlag.HasRadius;
objIterator.targetLoc.location.locx = nextLoc.locx;
objIterator.origin = new LocAndOffsets(curLoc);
objIterator.targetLoc.location.locy = nextLoc.locy;
objIterator.radius = boPkt.handle.GetRadius() * 0.5f;
objIterator.sourceObj = boPkt.handle;
if (objIterator.Raycast() > 0)
{
break;
}
}
var trap = FindTrapAtLocation(nextLoc);
if (trap != null && GameSystems.Trap.KnowsAboutDangerousTrap(boPkt.handle, trap))
{
break;
}
if ((boPkt.flags & AnimPathDataFlags.UNK400) != 0)
{
if (FindBurningScenery(nextLoc) != null)
{
break;
}
}
}
curLoc = nextLoc;
}
// Did not reach the destination
if (curLoc != boPkt.destLoc)
{
boPkt.distTiles = i;
return(0);
}
if ((boPkt.flags & AnimPathDataFlags.UNK_1) != 0)
{
return(i - 1);
}
return(i);
}