Michael Bayne
a70efc3ffb
return a tile with an error image so that the caller doesn't freak out and we achieve maximal "continue to work as much as possible." git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3177 542714f4-19e9-0310-aa3c-eee0fc999fb1
124 lines
3.8 KiB
Java
124 lines
3.8 KiB
Java
//
|
|
// $Id: ScrollingScene.java,v 1.16 2004/10/28 17:49:02 mdb Exp $
|
|
//
|
|
// Narya library - tools for developing networked games
|
|
// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
|
|
// http://www.threerings.net/code/narya/
|
|
//
|
|
// This library is free software; you can redistribute it and/or modify it
|
|
// under the terms of the GNU Lesser General Public License as published
|
|
// by the Free Software Foundation; either version 2.1 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
package com.threerings.miso.client;
|
|
|
|
import java.awt.Rectangle;
|
|
|
|
import java.util.Iterator;
|
|
import java.util.Random;
|
|
|
|
import com.samskivert.io.PersistenceException;
|
|
|
|
import com.threerings.media.tile.NoSuchTileSetException;
|
|
import com.threerings.media.tile.TileSet;
|
|
import com.threerings.media.tile.TileSetRepository;
|
|
|
|
import com.threerings.miso.data.MisoSceneModel;
|
|
import com.threerings.miso.tile.BaseTile;
|
|
import com.threerings.miso.tile.BaseTileSet;
|
|
import com.threerings.miso.util.MisoContext;
|
|
import com.threerings.miso.util.ObjectSet;
|
|
import com.threerings.miso.data.ObjectInfo;
|
|
|
|
/**
|
|
* Provides an infinite array of tiles in which to scroll.
|
|
*/
|
|
public class ScrollingScene extends MisoSceneModel
|
|
{
|
|
public ScrollingScene (MisoContext ctx)
|
|
throws NoSuchTileSetException, PersistenceException
|
|
{
|
|
// locate the water tileset
|
|
TileSetRepository tsrepo = ctx.getTileManager().getTileSetRepository();
|
|
Iterator iter = tsrepo.enumerateTileSets();
|
|
String tsname = null;
|
|
while (iter.hasNext()) {
|
|
TileSet tset = (TileSet)iter.next();
|
|
// yay for built-in regex support!
|
|
if (tset.getName().matches(".*[Ww]ater.*") &&
|
|
tset instanceof BaseTileSet) {
|
|
tsname = tset.getName();
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (tsname == null) {
|
|
throw new RuntimeException("Unable to locate water tileset.");
|
|
}
|
|
|
|
// now we look the tileset up by name so that it is properly
|
|
// initialized and all that business
|
|
TileSet wtset = ctx.getTileManager().getTileSet(tsname);
|
|
|
|
// grab our four repeating tiles
|
|
_tiles = new BaseTile[wtset.getTileCount()];
|
|
for (int ii = 0; ii < wtset.getTileCount(); ii++) {
|
|
_tiles[ii] = (BaseTile)wtset.getTile(ii);
|
|
}
|
|
}
|
|
|
|
public int getBaseTileId (int x, int y)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
public boolean setBaseTile (int fqTileId, int x, int y)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
public void addObject (ObjectInfo info)
|
|
{
|
|
}
|
|
|
|
public void getObjects (Rectangle region, ObjectSet set)
|
|
{
|
|
}
|
|
|
|
public void updateObject (ObjectInfo info)
|
|
{
|
|
}
|
|
|
|
public boolean removeObject (ObjectInfo info)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// documentation inherited from interface
|
|
public BaseTile getBaseTile (int x, int y)
|
|
{
|
|
long seed = ((x^y) ^ multiplier) & mask;
|
|
long hash = (seed * multiplier + addend) & mask;
|
|
int tidx = (int)((hash >> 10) % _tiles.length);
|
|
return _tiles[tidx];
|
|
}
|
|
|
|
protected BaseTile[] _tiles;
|
|
protected Random _rand = new Random();
|
|
|
|
protected final static long multiplier = 0x5DEECE66DL;
|
|
protected final static long addend = 0xBL;
|
|
protected final static long mask = (1L << 48) - 1;
|
|
|
|
protected static final int WATER_TILESET_ID = 8;
|
|
}
|