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docs: MapTile

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This commit is contained in:
Hannes Janetzek 2014-03-16 15:30:06 +01:00
parent a475aa6c22
commit 56c4323959
1 changed files with 18 additions and 13 deletions
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31
vtm/src/org/oscim/layers/tile/MapTile.java
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@ -25,10 +25,10 @@ import org.oscim.utils.quadtree.Node;
import org.oscim.utils.quadtree.QuadTree; import org.oscim.utils.quadtree.QuadTree;
/** /**
* Extends Tile class to hold state and data for concurrent use in * Extends Tile class to hold state and data.
* TileManager (Main Thread), *
* TileLoader (Worker Thread) and * Used concurrently in: TileManager (Main Thread), TileLoader (Worker Thread)
* TileRenderer (GL Thread). * and TileRenderer (GL Thread).
*/ */
public class MapTile extends Tile { public class MapTile extends Tile {
@ -117,18 +117,22 @@ public class MapTile extends Tile {
* Tile is in view region. Set by TileRenderer. * Tile is in view region. Set by TileRenderer.
*/ */
public boolean isVisible; public boolean isVisible;
/**
* Used for fade-effects
*/
public long fadeTime; public long fadeTime;
/** /**
* Pointer to access relatives in QuadTree * Used to avoid drawing a tile twice per frame
*/ * TODO remove
public final TileNode node;
/**
* to avoid drawing a tile twice per frame
*/ */
int lastDraw = 0; int lastDraw = 0;
/**
* Pointer to access relatives in {@link QuadTree}
*/
public final TileNode node;
public final static int PROXY_CHILD1 = 1 << 0; public final static int PROXY_CHILD1 = 1 << 0;
public final static int PROXY_CHILD2 = 1 << 1; public final static int PROXY_CHILD2 = 1 << 1;
@ -221,15 +225,16 @@ public class MapTile extends Tile {
} }
/** /**
* Test whether it is save to access a proxy item through * Test whether it is save to access a proxy item
* this.rel.* * through this.node.*
*/ */
public boolean hasProxy(int proxy) { public boolean hasProxy(int proxy) {
return (proxies & proxy) != 0; return (proxies & proxy) != 0;
} }
/** /**
* CAUTION: This function may only be called by {@link TileManager} * CAUTION: This function may only be called
* by {@link TileManager}
*/ */
protected void clear() { protected void clear() {
while (data != null) { while (data != null) {