private void addTile(DrawContext dc, MercatorTextureTile tile) {
tile.setFallbackTile(null);
if (tile.isTextureInMemory(dc.getTextureCache())) {
// System.out.printf("Sector %s, min = %f, max = %f\n", tile.getSector(),
// dc.getGlobe().getMinElevation(tile.getSector()),
// dc.getGlobe().getMaxElevation(tile.getSector()));
this.addTileToCurrent(tile);
return;
}
// Level 0 loads may be forced
if (tile.getLevelNumber() == 0
&& this.forceLevelZeroLoads
&& !tile.isTextureInMemory(dc.getTextureCache())) {
this.forceTextureLoad(tile);
if (tile.isTextureInMemory(dc.getTextureCache())) {
this.addTileToCurrent(tile);
return;
}
}
// Tile's texture isn't available, so request it
if (tile.getLevelNumber() < this.levels.getNumLevels()) {
// Request only tiles with data associated at this level
if (!this.levels.isResourceAbsent(tile)) this.requestTexture(dc, tile);
}
// Set up to use the currentResource tile's texture
if (this.currentResourceTile != null) {
if (this.currentResourceTile.getLevelNumber() == 0
&& this.forceLevelZeroLoads
&& !this.currentResourceTile.isTextureInMemory(dc.getTextureCache())
&& !this.currentResourceTile.isTextureInMemory(dc.getTextureCache()))
this.forceTextureLoad(this.currentResourceTile);
if (this.currentResourceTile.isTextureInMemory(dc.getTextureCache())) {
tile.setFallbackTile(currentResourceTile);
this.addTileToCurrent(tile);
}
}
}
