bool MapCornerStraightWall()
{
bool room = false;
Vector3 a = convex[Random.Range(0, convex.Count)];
//Debug.Log("Building from corner " + a);
int idA = perimeter.IndexOf(a);
List <Vector3> directions = new List <Vector3>();
if (idA >= 0)
{
directions.Add((a - perimeter[(perimeter.Count + (idA - 1)) % perimeter.Count]).normalized);
directions.Add((a - perimeter[(idA + 1) % perimeter.Count]).normalized);
directions.Add((perimeter[(idA + 1) % perimeter.Count] - a).normalized);
directions.Add((perimeter[(perimeter.Count + (idA - 1)) % perimeter.Count] - a).normalized);
//AddGizmoWall(a, a + directions[0]);
//AddGizmoWall(a, a + directions[1]);
}
else
{
foreach (List <Vector3> iWall in wallLines)
{
if (iWall.Contains(a))
{
idA = iWall.IndexOf(a);
directions.Add((a - iWall[idA - 1]).normalized);
directions.Add((a - iWall[idA + 1]).normalized);
directions.Add((iWall[idA - 1] - a).normalized);
directions.Add((iWall[idA + 1] - a).normalized);
//AddGizmoWall(a, a + directions[0]);
//AddGizmoWall(a, a + directions[1]);
break;
}
}
}
Vector3 pt = Vector3.zero;
for (int i = 0; i < directions.Count; i++)
{
if (ProcGenHelpers.RayInterceptsSegment(a, directions[i], perimeter, out pt))
{
int wallsHit;
Vector3 pt2;
if (ProcGenHelpers.RayInterceptsSegment(a, directions[i], wallLines, out pt2, out wallsHit))
{
if (!ProcGenHelpers.TooClose(pt, wallLines[wallsHit], shortestWall) && !ProcGenHelpers.IsKnownSegment(a, pt2, wallLines) && !ProcGenHelpers.IsKnownSegment(a, pt2, true, perimeter))
{
pt = pt2;
Debug.Log("Corner to inner wall");
room = true;
break;
}
}
else if (!ProcGenHelpers.TooClose(pt, perimeter, shortestWall) && !ProcGenHelpers.IsKnownSegment(a, pt, true, perimeter) && !ProcGenHelpers.IsKnownSegment(a, pt, wallLines))
{
Debug.Log("Corner to outer wall");
room = true;
break;
}
}
}
if (room)
{
Debug.LogWarning(string.Format("Added simple wall {0} {1}", a, pt));
nonConcave.Add(pt);
wallLines.Add(new List <Vector3>()
{
a, pt
});
if (!nonConcave.Contains(pt))
{
nonConcave.Add(pt);
}
}
return(room);
}
bool MapWallToWall()
{
bool room = false;
//Min length to divide
float longest = Mathf.Pow(shortestWall * 2, 2);
List <float> lens = new List <float>();
for (int i = 0, l = perimeter.Count; i < l; i++)
{
int nextI = (i + 1) % l;
lens.Add((perimeter[nextI] - perimeter[i]).sqrMagnitude);
}
int c = lens.Where(e => e > longest).Count();
if (c > 0)
{
int v = Random.Range(0, c) + 1;
//TODO: need to use also inner walls I thinks
List <int> sums = new List <int>();
lens.Aggregate(0, (sum, e) => { sum += e > longest ? 1 : 0; sums.Add(sum); return(sum); });
int idLong = sums.IndexOf(v);
longest = Mathf.Sqrt(lens[idLong]);
float flexPos = longest - 2 * shortestWall;
int nextI = (idLong + 1) % perimeter.Count;
float t = (Random.value * flexPos + shortestWall) / longest;
//Debug.Log(t);
Vector3 pt = Vector3.Lerp(perimeter[idLong], perimeter[nextI], t);
Vector3 d = ProcGenHelpers.Get90CW(pt - perimeter[idLong]).normalized;
AddGizmoWall(pt, pt + d);
Vector3 ptB;
//Debug.Log(string.Format("{0} - {1}, {2}, d {3}", perimeter[idLong], perimeter[nextI], pt, d));
if (ProcGenHelpers.RayInterceptsSegment(pt, d, perimeter, out ptB))
{
bool perim2Perim = true;
Vector3 ptC;
bool allowWall = true;
int idLine;
if (ProcGenHelpers.RayInterceptsSegment(pt, d, wallLines, out ptC, out idLine))
{
if (ProcGenHelpers.TooClose(pt, wallLines[idLine], shortestWall) || ProcGenHelpers.IsKnownSegment(pt, ptC, wallLines) || ProcGenHelpers.IsKnownSegment(pt, ptC, true, perimeter))
{
allowWall = false;
}
else
{
//Debug.Log("Wall construction intercept inner wall");
nonConcave.Add(ptB);
if ((ptC - pt).sqrMagnitude < (ptB - pt).sqrMagnitude)
{
ptB = ptC;
perim2Perim = false;
}
}
}
else if (ProcGenHelpers.IsKnownSegment(pt, ptB, true, perimeter))
{
allowWall = false;
}
if (allowWall && (ptB - pt).magnitude > shortestWall && !ProcGenHelpers.TooClose(pt, perimeter, shortestWall))
{
wallLines.Add(new List <Vector3>()
{
pt, ptB
});
if (!nonConcave.Contains(pt))
{
nonConcave.Add(pt);
}
if (!nonConcave.Contains(ptB))
{
nonConcave.Add(ptB);
}
room = true;
perimeter.Insert(idLong + 1, pt);
if (perim2Perim)
{
for (int i = 0, l = perimeter.Count; i < l; i++)
{
int j = (i + 1) % l;
if (ProcGenHelpers.PointOnSegmentXZ(perimeter[i], perimeter[j], ptB))
{
perimeter.Insert(i + 1, ptB);
Debug.Log("Inserted perim to perim");
break;
}
}
}
Debug.Log("Inserted free wall");
}
}
}
return(room);
}