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one more try for quad-tile distance

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This commit is contained in:
Hannes Janetzek 2013-02-07 13:09:13 +01:00
parent a9dc0d483c
commit f18bc5a077
1 changed files with 17 additions and 14 deletions
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31
src/org/oscim/renderer/TileManager.java
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@ -406,7 +406,7 @@ public class TileManager {
double x = mapPosition.x;
double y = mapPosition.y;
byte zoom = mapPosition.zoomLevel;
int h = (Tile.TILE_SIZE >> 1);
int h = Tile.TILE_SIZE >> 1;
long center = h << zoom;
for (int i = 0; i < size; i++) {
@ -420,17 +420,17 @@ public class TileManager {
if (diff == 0) {
dx = (t.pixelX + h) - x;
dy = (t.pixelY + h) - y;
dz = 1;
dz = 0.5f;
} else if (diff > 0) {
// tile zoom level is greater than current
dx = (t.pixelX + h) - x * (1 << diff);
dy = (t.pixelY + h) - y * (1 << diff);
dz = 0.5f * (1 << diff);
dz = 0.25f * (1 << (diff - 1));
} else {
// tile zoom level is smaller than current
dx = (t.pixelX + h) - x / (1 << -diff);
dy = (t.pixelY + h) - y / (1 << -diff);
dz = (1 << (1 - diff));
dz = 0.5f * (1 << -diff);
}
dx %= center;
dy %= center;
@ -483,7 +483,7 @@ public class TileManager {
Log.d(TAG, "limitCache: tile still locked " + t + " " + t.distance);
// try again in next run.
//locked = true;
//break;
break;
} else if (t.state == STATE_LOADING) {
// NOTE: when set loading to false the tile could be
// added to load queue again while still processed in
@ -499,16 +499,19 @@ public class TileManager {
tiles[i] = null;
}
}
//if (locked) {
// Log.d(TAG, "------------ " + remove + " / " + r + " ----------");
// for (int i = 0; i < size; i++) {
// MapTile t = tiles[i];
// if (t == null)
// continue;
// Log.d(TAG, "limitCache: " + t + " " + t.distance);
// if (locked) {
// Log.d(TAG, "------------ "
// + remove + " / " + r + " "
// + mMapPosition.zoomLevel
// + " ----------");
// for (int i = 0; i < size; i++) {
// MapTile t = tiles[i];
// if (t == null)
// continue;
// Log.d(TAG, "limitCache: " + t + " " + t.distance);
//
// }
//}
// }
// }
remove = (newTileCnt - MAX_TILES_IN_QUEUE) + 10;
//int r = remove;
for (int i = size - 1; i >= 0 && remove > 0; i--) {