private void UnloadOldTiles()
{
needUnloadTiles = false;
#if !UNITY_WEBGL
int count = 100;
while (api.renderInThread && !allowUnloadTiles && count > 0)
{
#if !NETFX_CORE
Thread.Sleep(1);
#else
OnlineMapsThreadWINRT.Sleep(1);
#endif
count--;
}
if (count == 0)
{
return;
}
#endif
lock (OnlineMapsTile.tiles)
{
foreach (OnlineMapsTile tile in OnlineMapsTile.tiles)
{
if (!tile.used)
{
tile.Dispose();
}
}
}
}
private void StartNextAction()
{
#if !UNITY_WEBGL
while (isAlive)
{
bool actionInvoked = false;
lock (threadActions)
{
if (threadActions.Count > 0)
{
Action action = threadActions[0];
threadActions.RemoveAt(0);
action();
actionInvoked = true;
}
}
if (!actionInvoked)
{
#if !NETFX_CORE
Thread.Sleep(1);
#else
OnlineMapsThreadWINRT.Sleep(1);
#endif
}
}
threadActions = null;
#endif
}
private void ApplyNewTiles()
{
if (newTiles == null || newTiles.Count == 0)
{
return;
}
lock (newTiles)
{
foreach (OnlineMapsTile tile in newTiles)
{
if (disposed)
{
return;
}
if (tile.status == OnlineMapsTileStatus.disposed)
{
continue;
}
#if !UNITY_WEBGL
int counter = 20;
while (tile.colors.Length < OnlineMapsUtils.sqrTileSize && counter > 0)
{
#if !NETFX_CORE
Thread.Sleep(1);
#else
OnlineMapsThreadWINRT.Sleep(1);
#endif
counter--;
}
#endif
tile.ApplyColorsToChilds();
}
if (newTiles.Count > 0)
{
newTiles.Clear();
}
}
}
private void UpdateRotatedBuffer()
{
_lastRotation = _rotation;
_lastScale = _scale;
if ((_rotation == 0 && scale == 1) || map.target == OnlineMapsTarget.tileset)
{
_width = _textureWidth;
_height = _textureHeight;
return;
}
#if !UNITY_WEBGL
int maxLocked = 20;
while (locked && maxLocked > 0)
{
#if !NETFX_CORE
Thread.Sleep(1);
#else
OnlineMapsThreadWINRT.Sleep(1);
#endif
maxLocked--;
}
#endif
locked = true;
float angle = Mathf.Repeat(_rotation * 360, 360);
Matrix4x4 matrix = new Matrix4x4();
matrix.SetTRS(Vector3.zero, Quaternion.Euler(0, angle, 0), new Vector3(scale, scale, scale));
Matrix4x4 inv = matrix.inverse;
Vector3 p1 = matrix.MultiplyPoint3x4(new Vector3(_textureWidth, 0, 0));
Vector3 p2 = matrix.MultiplyPoint3x4(new Vector3(0, 0, _textureHeight));
Vector3 p3 = matrix.MultiplyPoint3x4(new Vector3(_textureWidth, 0, _textureHeight));
float minX = Mathf.Min(0, p1.x, p2.x, p3.x);
float minZ = Mathf.Min(0, p1.z, p2.z, p3.z);
float maxX = Mathf.Max(0, p1.x, p2.x, p3.x);
float maxZ = Mathf.Max(0, p1.z, p2.z, p3.z);
_width = Mathf.RoundToInt(maxX - minX + 0.5f);
_height = Mathf.RoundToInt(maxZ - minZ + 0.5f);
Color emptyColor = new Color(0, 0, 0, 0);
if (_rotatedColors == null || _rotatedColors.Length != _width * _height)
{
_rotatedColors = new Color32[_width * _height];
}
int tw = _textureWidth;
int th = _textureHeight;
for (int y = 0; y < _height; y++)
{
float ry = minZ + y;
int cy = y * _width;
for (int x = 0; x < _width; x++)
{
float rx = minX + x;
Vector3 p = inv.MultiplyPoint3x4(new Vector3(rx, 0, ry));
int iz = (int)p.z;
int ix = (int)p.x;
float fx = p.x - ix;
float fz = p.z - iz;
if (ix + 1 >= 0 && ix < tw && iz + 1 >= 0 && iz < th)
{
Color[] clrs = { emptyColor, emptyColor, emptyColor, emptyColor };
if (ix >= 0 && iz >= 0)
{
clrs[0] = _colors[iz * tw + ix];
}
if (ix + 1 < tw && iz >= 0)
{
clrs[1] = _colors[iz * tw + ix + 1];
}
if (ix >= 0 && iz + 1 < th)
{
clrs[2] = _colors[(iz + 1) * tw + ix];
}
if (ix + 1 < tw && iz + 1 < th)
{
clrs[3] = _colors[(iz + 1) * tw + ix + 1];
}
clrs[0] = Color.Lerp(clrs[0], clrs[1], fx);
clrs[2] = Color.Lerp(clrs[2], clrs[3], fx);
_rotatedColors[cy + x] = Color.Lerp(clrs[0], clrs[2], fz);
}
else
{
_rotatedColors[cy + x] = emptyColor;
}
}
}
locked = false;
}
private void SetMarkerToBuffer(OnlineMapsMarker marker, double sx, double sy, double ex, double ey)
{
const int s = OnlineMapsUtils.tileSize;
double mx, my;
marker.GetPosition(out mx, out my);
if (!(((mx > sx && mx < ex) || (mx + 360 > sx && mx + 360 < ex) ||
(mx - 360 > sx && mx - 360 < ex)) &&
my < sy && my > ey))
{
return;
}
#if !UNITY_WEBGL
int maxCount = 20;
while (marker.locked && maxCount > 0)
{
#if !NETFX_CORE
Thread.Sleep(1);
#else
OnlineMapsThreadWINRT.Sleep(1);
#endif
maxCount--;
}
#endif
marker.locked = true;
double px, py;
api.projection.CoordinatesToTile(mx, my, bufferZoom, out px, out py);
px -= bufferPosition.x;
py -= bufferPosition.y;
int maxX = 1 << bufferZoom;
if (px < 0)
{
px += maxX;
}
else if (px > maxX)
{
px -= maxX;
}
OnlineMapsVector2i ip = marker.GetAlignedPosition((int)(px * s), (int)(py * s));
Color32[] markerColors = marker.colors;
if (markerColors == null || markerColors.Length == 0)
{
return;
}
int markerWidth = marker.width;
int markerHeight = marker.height;
for (int y = 0; y < marker.height; y++)
{
if (disposed)
{
return;
}
if (ip.y + y < 0 || ip.y + y >= height)
{
continue;
}
int cy = (markerHeight - y - 1) * markerWidth;
for (int x = 0; x < marker.width; x++)
{
if (ip.x + x < 0 || ip.x + x >= width)
{
continue;
}
try
{
SetColorToBuffer(markerColors[cy + x], ip, y, x);
}
catch
{
}
}
}
marker.locked = false;
}
public void GenerateFrontBuffer()
{
try
{
api.GetPosition(out apiLongitude, out apiLatitude);
apiZoom = api.zoom;
while (!disposed)
{
#if !UNITY_WEBGL
while (status != OnlineMapsBufferStatus.start && api.renderInThread)
{
if (disposed)
{
return;
}
#if NETFX_CORE
OnlineMapsThreadWINRT.Sleep(1);
#else
Thread.Sleep(1);
#endif
}
#endif
status = OnlineMapsBufferStatus.working;
double px = 0, py = 0;
try
{
api.GetPosition(out px, out py);
int zoom = api.zoom;
bool fullRedraw = redrawType == OnlineMapsRedrawType.full;
if (newTiles != null && api.target == OnlineMapsTarget.texture)
{
ApplyNewTiles();
}
if (disposed)
{
return;
}
bool backBufferUpdated = UpdateBackBuffer(px, py, zoom, fullRedraw);
if (disposed)
{
return;
}
if (api.target == OnlineMapsTarget.texture)
{
GetFrontBufferPosition(px, py, bufferPosition, zoom, api.width, api.height);
if (backBufferUpdated)
{
for (int i = 0; i < api.drawingElements.Count; i++)
{
OnlineMapsDrawingElement element = api.drawingElements[i];
if (disposed)
{
return;
}
element.Draw(backBuffer, bufferPosition, width, height, zoom);
}
SetMarkersToBuffer(api.markers);
}
if (disposed)
{
return;
}
if (generateSmartBuffer && api.useSmartTexture)
{
UpdateSmartBuffer(api.width, api.height);
}
else
{
UpdateFrontBuffer(api.width, api.height);
}
}
}
catch (Exception exception)
{
if (disposed)
{
return;
}
Debug.Log(exception.Message + "\n" + exception.StackTrace);
}
status = OnlineMapsBufferStatus.complete;
apiLongitude = px;
apiLatitude = py;
apiZoom = api.zoom;
if (needUnloadTiles)
{
UnloadOldTiles();
}
#if !UNITY_WEBGL
if (!api.renderInThread)
{
break;
}
#else
break;
#endif
}
}
catch
{
}
}