public override void Place(TrackSegment segment, int[,] spots)
{
base.Place(segment, spots);
PlacerSpot spot = new PlacerSpot(); //be gentle with the stack, allocate only once
//iterate on each row
for (int i = 0; i < TrackSegment.LENGTH; i++)
{
//get curent deviation
int shift = stretch.Get();
//mark and add assets along path's width
for (int j = 0; j < thickness; j++)
{
spot.x = column + shift + j;
spot.y = i;
Mark(spot);
AddAsset(spot);
}
//increment stretch and start a new one if needed
if (!stretch.Advance())
{
//save column for the next stretch
column += shift;
StartStretch();
}
}
}
public override void Place(TrackSegment segment, int[,] spots)
{
base.Place(segment, spots);
MapAreas(); //build list
if (areas.Count == 0) //nothing to do, exit
{
return;
}
//determine actual possible pathes count - not all may fit
int count = (areas.Count < targetCount)? areas.Count : targetCount;
//place patches towards the target count
for (int i = 0; i < count && areas.Count > 0; i++)
{
//choose area
PlacerArea area = areas[Random.Range(0, areas.Count)];
//builds free spots list
area.GetSpots(PlacerSpot.Type.Empty, free);
//choose from free spots and place assets
for (int j = 0; j < assetsPerPatch; j++)
{
int index = Random.Range(0, free.Count);
PlacerSpot spot = free[index];
Mark(spot);
AddAsset(spot);
free.RemoveAt(index);
}
//prepare for next patch
free.Clear();
areas.RemoveAll(item => area.Overlaps(item) && (!allowIntertwined || allowIntertwined && item.GetSpotRatio(PlacerSpot.Type.Empty) < targetFillRatio));
}
//cleanup
areas.Clear();
}
/// <summary>
/// Lays segment of track and ads assets to them.
/// </summary>
public void Build()
{
Clear();
#if UNITY_EDITOR
if (!EditorApplication.isPlaying)
{
Undo.RecordObject(this, "Create World");
}
#endif
Init();
Vector3 position = Vector3.zero;
for (int i = 0; i < segmentsToAdd; i++)
{
TrackSegment segment = Instantiate(segmentAsset, position, Quaternion.identity, segmentsContainer);
#if UNITY_EDITOR
if (!EditorApplication.isPlaying)
{
Undo.RegisterCreatedObjectUndo(segment.gameObject, "Create Track");
}
#endif
segments.Add(segment);
//prepare for next
position = segment.EndMarkerPos;
//populate
for (int p = 0; p < placers.Length; p++)
{
placers[p].Place(segment, spots);
}
ClearSpots();
}
UnInit();
}
/// <summary>
/// Called for each segment. Asset placement logic goes in here.
/// </summary>
/// <param name="segment">Current processed segment.</param>
/// <param name="spots">Occupancy status of the segment.</param>
public virtual void Place(TrackSegment segment, int[,] spots)
{
this.segment = segment;
this.spots = spots;
}
/// <summary>
/// Called after build process ended.
/// All deallocations go in here.
/// </summary>
public virtual void UnInit()
{
segment = null;
spots = null;
}