fly/flightgear
1
0
Fork 0
Code Activity

Fixed a bug in tilecache size which caused occasional tiles to drop out

Browse source 
when more than one row is scheduled "simultaneously".
This commit is contained in:
curt 1999-06-14 13:47:44 +00:00
parent 2c6db0ec35
commit 1d1b60699f
1 changed files with 9 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
Simulator/Scenery/tilecache.cxx
View file

@ -67,8 +67,8 @@ FGTileCache::init( void )
// //
// target_cache_size >= (current.options.tile_diameter + 1) ** 2 // target_cache_size >= (current.options.tile_diameter + 1) ** 2
// //
int side = current_options.get_tile_diameter() + 1; int side = current_options.get_tile_diameter() + 2;
int target_cache_size = side * side; int target_cache_size = (side*side);
FG_LOG( FG_TERRAIN, FG_DEBUG, " target cache size = " FG_LOG( FG_TERRAIN, FG_DEBUG, " target cache size = "
<< target_cache_size ); << target_cache_size );
FG_LOG( FG_TERRAIN, FG_DEBUG, " current cache size = " FG_LOG( FG_TERRAIN, FG_DEBUG, " current cache size = "
@ -166,12 +166,17 @@ FGTileCache::next_avail( void )
int max_index; int max_index;
max_dist = 0.0; max_dist = 0.0;
max_index = 0; max_index = -1;
for ( i = 0; i < (int)tile_cache.size(); i++ ) { for ( i = 0; i < (int)tile_cache.size(); i++ ) {
// only look at freeing NON-scheduled (i.e. ready to load
// cache entries. This assumes that the cache is always big
// enough for our tile radius!
if ( tile_cache[i].is_unused() ) { if ( tile_cache[i].is_unused() ) {
// favor unused cache slots
return(i); return(i);
} else { } else if ( tile_cache[i].is_loaded() ) {
// calculate approximate distance from view point // calculate approximate distance from view point
abs_view_pos = current_view.get_abs_view_pos(); abs_view_pos = current_view.get_abs_view_pos();