public void ReadProvincePackedString(Province province)
{
string[] regions = province.packedRegions.Split(new char[] { '*' }, StringSplitOptions.RemoveEmptyEntries);
int regionCount = regions.Length;
province.regions = new List <Region> (regionCount);
float maxVol = float.MinValue;
Vector2 minProvince = Misc.Vector2one * 1000;
Vector2 maxProvince = -minProvince;
Vector2 min = Misc.Vector2one * 1000;
Vector2 max = -min;
Vector2 latlonCenter = new Vector2();
for (int r = 0; r < regionCount; r++)
{
string[] coordinates = regions [r].Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
int coorCount = coordinates.Length;
min.x = min.y = 1000;
max.x = max.y = -1000;
Region provinceRegion = new Region(province, province.regions.Count);
Vector2[] latlon = new Vector2[coorCount];
for (int c = 0; c < coorCount; c++)
{
float lat, lon;
GetPointFromPackedString(coordinates [c], out lat, out lon);
if (lat < min.x)
{
min.x = lat;
}
if (lat > max.x)
{
max.x = lat;
}
if (lon < min.y)
{
min.y = lon;
}
if (lon > max.y)
{
max.y = lon;
}
latlon [c] = new Vector2(lat, lon);
}
provinceRegion.latlon = latlon;
FastVector.Average(ref min, ref max, ref latlonCenter); // (min + max) * 0.5f;
provinceRegion.latlonCenter = latlonCenter;
province.regions.Add(provinceRegion);
// Calculate province bounding rect
if (min.x < minProvince.x)
{
minProvince.x = min.x;
}
if (min.y < minProvince.y)
{
minProvince.y = min.y;
}
if (max.x > maxProvince.x)
{
maxProvince.x = max.x;
}
if (max.y > maxProvince.y)
{
maxProvince.y = max.y;
}
provinceRegion.latlonRect2D = new Rect(min.x, min.y, max.x - min.x, max.y - min.y);
provinceRegion.rect2DArea = provinceRegion.latlonRect2D.width * provinceRegion.latlonRect2D.height;
float vol = FastVector.SqrDistance(ref min, ref max); // (max - min).sqrMagnitude;
if (vol > maxVol)
{
maxVol = vol;
province.mainRegionIndex = r;
province.latlonCenter = provinceRegion.latlonCenter;
}
}
province.regionsRect2D = new Rect(minProvince.x, minProvince.y, maxProvince.x - minProvince.x, maxProvince.y - minProvince.y);
}
void CheckTiles(TileInfo parent, int currentZoomLevel, int xTile, int yTile, int zoomLevel, int subquadIndex)
{
// Is this tile visible?
TileInfo ti;
int tileCode = GetTileHashCode(xTile, yTile, zoomLevel);
if (!cachedTiles.TryGetValue(tileCode, out ti))
{
ti = new TileInfo(xTile, yTile, zoomLevel, subquadIndex, currentEarthTexture);
ti.parent = parent;
if (parent != null)
{
if (parent.children == null)
{
parent.children = new List <TileInfo> ();
}
parent.children.Add(ti);
}
for (int k = 0; k < 4; k++)
{
Vector2 latlon = Conversion.GetLatLonFromTile(xTile + offsets [k].x, yTile + offsets [k].y, zoomLevel);
ti.latlons [k] = latlon;
Vector3 spherePos = Conversion.GetSpherePointFromLatLon(latlon);
ti.spherePos [k] = spherePos;
}
cachedTiles [tileCode] = ti;
}
// Check if any tile corner is visible
// Phase I
#if DEBUG_TILES
if (ti.gameObject != null && ti.gameObject.GetComponent <TileInfoEx> ().debug)
{
Debug.Log("this");
}
#endif
bool cornersOccluded = true;
Vector3 minWorldPos = Misc.Vector3Max;
Vector3 maxWorldPos = Misc.Vector3Min;
Vector3 tmp = Misc.Vector3zero;
for (int c = 0; c < 4; c++)
{
Vector3 wpos = transform.TransformPoint(ti.spherePos [c]);
ti.cornerWorldPos [c] = wpos;
if (wpos.x < minWorldPos.x)
{
minWorldPos.x = wpos.x;
}
if (wpos.y < minWorldPos.y)
{
minWorldPos.y = wpos.y;
}
if (wpos.z < minWorldPos.z)
{
minWorldPos.z = wpos.z;
}
if (wpos.x > maxWorldPos.x)
{
maxWorldPos.x = wpos.x;
}
if (wpos.y > maxWorldPos.y)
{
maxWorldPos.y = wpos.y;
}
if (wpos.z > maxWorldPos.z)
{
maxWorldPos.z = wpos.z;
}
if (cornersOccluded)
{
float radiusSqr = (wpos.x - globePos.x) * (wpos.x - globePos.x) + (wpos.y - globePos.y) * (wpos.y - globePos.y) + (wpos.z - globePos.z) * (wpos.z - globePos.z); // Vector3.SqrMagnitude (wpos - globePos);
// Vector3 camDir = (currentCameraPosition - wpos).normalized;
FastVector.NormalizedDirection(ref wpos, ref currentCameraPosition, ref tmp);
// Vector3 st = wpos + ndir * (0.01f * transform.localScale.x);
Vector3 st = wpos;
FastVector.Add(ref st, ref tmp, localScaleFactor);
float mag = (st.x - globePos.x) * (st.x - globePos.x) + (st.y - globePos.y) * (st.y - globePos.y) + (st.z - globePos.z) * (st.z - globePos.z);
if (mag > radiusSqr)
{
cornersOccluded = false;
}
}
}
// Bounds bounds = new Bounds ((minWorldPos + maxWorldPos) * 0.5f, maxWorldPos - minWorldPos);
FastVector.Average(ref minWorldPos, ref maxWorldPos, ref tmp);
Bounds bounds = new Bounds(tmp, maxWorldPos - minWorldPos);
Vector3 tileMidPoint = bounds.center;
// Check center of quad
if (cornersOccluded)
{
float radiusSqr = (tileMidPoint.x - globePos.x) * (tileMidPoint.x - globePos.x) + (tileMidPoint.y - globePos.y) * (tileMidPoint.y - globePos.y) + (tileMidPoint.z - globePos.z) * (tileMidPoint.z - globePos.z); // Vector3.SqrMagnitude (tileMidPoint - globePos);
// Vector3 camDir = (currentCameraPosition - tileMidPoint).normalized;
FastVector.NormalizedDirection(ref tileMidPoint, ref currentCameraPosition, ref tmp);
// Vector3 st = tileMidPoint + tmp * (0.01f * transform.localScale.x);
Vector3 st = tileMidPoint;
FastVector.Add(ref st, ref tmp, localScaleFactor);
float mag = (st.x - globePos.x) * (st.x - globePos.x) + (st.y - globePos.y) * (st.y - globePos.y) + (st.z - globePos.z) * (st.z - globePos.z);
if (mag > radiusSqr)
{
cornersOccluded = false;
}
}
#if DEBUG_TILES
if (root == null)
{
root = new GameObject();
root.transform.SetParent(transform);
root.transform.localPosition = Vector3.zero;
root.transform.localRotation = Misc.QuaternionZero; //Quaternion.Euler (0, 0, 0);
}
#endif
bool insideViewport = false;
float minX = currentCamera.pixelWidth * 2f, minY = currentCamera.pixelHeight * 2f;
float maxX = -minX, maxY = -minY;
if (!cornersOccluded)
{
// Phase II
for (int c = 0; c < 4; c++)
{
Vector3 scrPos = currentCamera.WorldToScreenPoint(ti.cornerWorldPos [c]);
insideViewport = insideViewport || (scrPos.z > 0 && scrPos.x >= 0 && scrPos.x < currentCamera.pixelWidth && scrPos.y >= 0 && scrPos.y < currentCamera.pixelHeight);
if (scrPos.x < minX)
{
minX = scrPos.x;
}
if (scrPos.x > maxX)
{
maxX = scrPos.x;
}
if (scrPos.y < minY)
{
minY = scrPos.y;
}
if (scrPos.y > maxY)
{
maxY = scrPos.y;
}
}
if (!insideViewport)
{
insideViewport = GeometryUtility.TestPlanesAABB(cameraPlanes, bounds);
}
}
ti.insideViewport = insideViewport;
ti.visible = false;
if (insideViewport)
{
if (!ti.created)
{
CreateTile(ti);
}
if (!ti.gameObject.activeSelf)
{
ti.gameObject.SetActive(true);
}
// Manage hierarchy of tiles
bool tileIsBig = false;
FastVector.NormalizedDirection(ref globePos, ref tileMidPoint, ref tmp);
// float dd = Vector3.Dot (currentCameraForward, (tileMidPoint - globePos).normalized);
float dd = Vector3.Dot(currentCameraForward, tmp);
if (dd > -0.8f || currentZoomLevel > 9) // prevents big seams on initial zooms
{
float aparentSize = Mathf.Max(maxX - minX, maxY - minY);
tileIsBig = aparentSize > currentTileSize;
}
else
{
tileIsBig = ti.zoomLevel < currentZoomLevel;
}
#if DEBUG_TILES
if (ti.gameObject != null)
{
ti.gameObject.GetComponent <TileInfoEx> ().bigTile = tileIsBig;
ti.gameObject.GetComponent <TileInfoEx> ().zoomLevel = ti.zoomLevel;
}
#endif
if ((tileIsBig || zoomLevel < TILE_MIN_ZOOM_LEVEL) && zoomLevel < _tileMaxZoomLevel)
{
// Load nested tiles
CheckTiles(ti, currentZoomLevel, xTile * 2, yTile * 2, zoomLevel + 1, 0);
CheckTiles(ti, currentZoomLevel, xTile * 2 + 1, yTile * 2, zoomLevel + 1, 1);
CheckTiles(ti, currentZoomLevel, xTile * 2, yTile * 2 + 1, zoomLevel + 1, 2);
CheckTiles(ti, currentZoomLevel, xTile * 2 + 1, yTile * 2 + 1, zoomLevel + 1, 3);
ti.renderer.enabled = false;
}
else
{
ti.visible = true;
// Show tile renderer
if (!ti.renderer.enabled)
{
ti.renderer.enabled = true;
}
// If parent tile is loaded then use that as placeholder texture
if (ti.zoomLevel > TILE_MIN_ZOOM_LEVEL && ti.parent.loadStatus == TILE_LOAD_STATUS.Loaded && !ti.placeholderImageSet)
{
ti.placeholderImageSet = true;
ti.parentTextureCoords = placeHolderUV [ti.subquadIndex];
ti.SetPlaceholderImage(ti.parent.texture);
}
if (ti.loadStatus == TILE_LOAD_STATUS.Loaded)
{
if (!ti.hasAnimated)
{
ti.hasAnimated = true;
ti.Animate(1f, AnimationEnded);
}
}
else if (ti.loadStatus == TILE_LOAD_STATUS.Inactive)
{
ti.distToCamera = FastVector.SqrDistance(ref ti.cornerWorldPos [0], ref currentCameraPosition) * ti.zoomLevel;
ti.loadStatus = TILE_LOAD_STATUS.InQueue;
ti.queueTime = Time.time;
loadQueue.Add(ti);
}
if (ti.children != null)
{
for (int k = 0; k < 4; k++)
{
TileInfo tiChild = ti.children [k];
HideTile(tiChild);
}
}
}
}
else
{
HideTile(ti);
}
}
