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Merge of trunk version 9-19

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This commit is contained in:
fescen9 2010-12-08 07:18:12 +00:00
parent b05fde203e
commit 60448dda09
8 changed files with 506 additions and 99 deletions
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101
MapTile.java
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@ -15,6 +15,9 @@ public class MapTile {
/* projection position */
public int px, py;
/* projection position of zoom-out tile */
public int zpx, zpy;
/* minecraft space origin */
public int mx, my, mz;
@ -22,10 +25,12 @@ public class MapTile {
boolean stale = false;
/* create new MapTile */
public MapTile(int px, int py)
public MapTile(int px, int py, int zpx, int zpy)
{
this.px = px;
this.py = py;
this.zpx = zpx;
this.zpy = zpy;
mx = MapManager.anchorx + px / 2 + py / 2;
my = MapManager.anchory;
@ -118,21 +123,105 @@ public class MapTile {
String path = getPath(mgr);
File file = new File(path);
ImageIO.write(im, "png", file);
} catch(java.lang.NullPointerException e) {
// IOException is not enough, a NullPointerException often occurs due to this issue
// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=5034864
log.log(Level.SEVERE, "Failed to save tile (NullPointerException): " + getPath(mgr), e);
} catch(IOException e) {
log.log(Level.SEVERE, "Failed to save tile: " + getPath(mgr), e);
} catch(java.lang.NullPointerException e) {
log.log(Level.SEVERE, "Failed to save tile (NullPointerException): " + getPath(mgr), e);
}
/* now update zoom-out tile */
String zPath = getZoomPath(mgr);
BufferedImage zIm = mgr.zoomCache.get(zPath);
if(zIm == null) {
/* zoom-out tile doesn't exist - try to load it from disk */
mgr.debug("Trying to load zoom-out tile: " + zPath);
try {
File file = new File(zPath);
zIm = ImageIO.read(file);
} catch(IOException e) {
}
if(zIm == null) {
mgr.debug("Failed to load zoom-out tile: " + zPath);
/* create new one */
/* TODO: we might use existing tiles that we could load
* to fill the zoomed out tile in... */
zIm = new BufferedImage(MapManager.tileWidth, MapManager.tileHeight, BufferedImage.TYPE_INT_RGB);
} else {
mgr.debug("Loaded zoom-out tile from " + zPath);
}
} else {
mgr.debug("Using zoom-out tile from cache: " + zPath);
}
/* update zoom-out tile */
/* scaled size */
int scw = mgr.tileWidth / 2;
int sch = mgr.tileHeight / 2;
/* origin in zoomed-out tile */
int ox = scw;
int oy = 0;
if(zpx != px) ox = 0;
if(zpy != py) oy = sch;
/* blit scaled rendered tile onto zoom-out tile */
WritableRaster zr = zIm.getRaster();
Graphics2D g2 = zIm.createGraphics();
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g2.drawImage(im, ox, oy, scw, sch, null);
/* update zoom-out tile cache */
BufferedImage oldIm = mgr.zoomCache.put(zPath, zIm);
if(oldIm != null && oldIm != zIm) {
oldIm.flush();
}
/* save zoom-out tile */
try {
File file = new File(zPath);
ImageIO.write(zIm, "png", file);
mgr.debug("saved zoom-out tile at " + zPath);
//log.info("Saved tile: " + path);
} catch(IOException e) {
log.log(Level.SEVERE, "Failed to save zoom-out tile: " + zPath, e);
} catch(java.lang.NullPointerException e) {
log.log(Level.SEVERE, "Failed to save zoom-out tile (NullPointerException): " + zPath, e);
}
}
/* generate a path name for this map tile */
String getPath(MapManager mgr)
public String getPath(MapManager mgr)
{
return mgr.tilepath + "t_" + px + "_" + py + ".png";
}
/* generate a path name for the zoomed-out tile */
public String getZoomPath(MapManager mgr)
{
return mgr.tilepath + "zt_" + zpx + "_" + zpy + ".png";
}
/* try to load already generated image */
public BufferedImage loadTile(MapManager mgr)
{
try {
File file = new File(getPath(mgr));
return ImageIO.read(file);
} catch(IOException e) {
}
return null;
}
/* cast a ray into the map */
private Color scan(MapManager mgr, int x, int y, int z, int seq)
{