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Fixed tile count computation.

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git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@643 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2001-11-27 08:41:01 +00:00
parent 36e3b8ff7f
commit c1d2c5ab10
1 changed files with 8 additions and 7 deletions
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src/java/com/threerings/media/tile/SwissArmyTileSet.java
+8 -7
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@@ -1,5 +1,5 @@
//
// $Id: SwissArmyTileSet.java,v 1.2 2001/11/18 04:09:21 mdb Exp $
// $Id: SwissArmyTileSet.java,v 1.3 2001/11/27 08:41:01 mdb Exp $
package com.threerings.media.tile;
@@ -50,6 +50,7 @@ public class SwissArmyTileSet extends TileSet
protected void computeTileCount ()
{
// compute our number of tiles
_numTiles = 0;
for (int i = 0; i < _tileCounts.length; i++) {
_numTiles += _tileCounts[i];
}
@@ -104,7 +105,7 @@ public class SwissArmyTileSet extends TileSet
}
// documentation inherited
protected Image extractTileImage (int tileId)
protected Image extractTileImage (int tileIndex)
{
BufferedImage tsimg = getTilesetImage();
if (tsimg == null) {
@@ -119,20 +120,20 @@ public class SwissArmyTileSet extends TileSet
tx = _offsetPos.x;
ty = _offsetPos.y;
while ((tcount += _tileCounts[ridx]) < tileId + 1) {
while ((tcount += _tileCounts[ridx]) < tileIndex + 1) {
// increment tile image position by row height and gap distance
ty += (_heights[ridx++] + _gapSize.height);
}
// determine the horizontal index of this tile in the row
int xidx = tileId - (tcount - _tileCounts[ridx]);
int xidx = tileIndex - (tcount - _tileCounts[ridx]);
// final image x-position is based on tile width and gap distance
tx += (xidx * (_widths[ridx] + _gapSize.width));
// Log.info("Retrieving tile image [tileId=" + tileId + ", ridx=" +
// ridx + ", xidx=" + xidx + ", tx=" + tx +
// ", ty=" + ty + "].");
// Log.info("Retrieving tile image [tileIndex=" + tileIndex +
// ", ridx=" + ridx + ", xidx=" + xidx +
// ", tx=" + tx + ", ty=" + ty + "].");
// crop the tile-sized image chunk from the full image
return tsimg.getSubimage(tx, ty, _widths[ridx], _heights[ridx]);