Started tooling about with Java2D BufferedImages. Retrieve tileset

config information from miso.properties for now.  Don't pass around
ImageObservers since we're hoping to be able to address that
differently.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@49 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Walter Korman
2001-07-14 00:21:24 +00:00
parent 007ce996f7
commit edc687fcb4
5 changed files with 74 additions and 67 deletions
+14 -4
View File
@@ -1,18 +1,19 @@
//
// $Id: Tile.java,v 1.1 2001/07/12 22:38:03 shaper Exp $
// $Id: Tile.java,v 1.2 2001/07/14 00:21:24 shaper Exp $
package com.threerings.cocktail.miso.tile;
import java.awt.Image;
import java.awt.image.BufferedImage;
/**
* A tile represents a single square in a single layer in a scene.
*/
public class Tile
{
public Image img; // the tile image
public short tsid; // the tile set identifier
public short tid; // the tile identifier within the set
public BufferedImage img; // the tile image
public short tsid; // the tile set identifier
public short tid; // the tile identifier within the set
// height and width of a tile image in pixels
public static final int HEIGHT = 16;
@@ -46,4 +47,13 @@ public class Tile
this.tsid = (short) tsid;
this.tid = (short) tid;
}
public String toString ()
{
StringBuffer buf = new StringBuffer();
buf.append("[tsid=").append(tsid);
buf.append(", tid=").append(tid);
buf.append(", img=").append(img);
return buf.append("]").toString();
}
}
@@ -1,21 +1,20 @@
//
// $Id: TileManager.java,v 1.1 2001/07/12 22:38:03 shaper Exp $
// $Id: TileManager.java,v 1.2 2001/07/14 00:21:24 shaper Exp $
package com.threerings.cocktail.miso.tile;
import com.threerings.cocktail.miso.Log;
import com.samskivert.util.IntMap;
import java.awt.*;
import java.awt.image.ImageObserver;
import java.util.Vector;
/**
* Provides a simplified interface for retrieving tile objects from
* various tilesets, by name or identifier, and manages caching of
* tiles and related resources as appropriate.
*/
public class TileManager implements ImageObserver
public class TileManager
{
public TileManager (TileSetManager tsmgr)
{
@@ -38,43 +37,25 @@ public class TileManager implements ImageObserver
// retrieve the tileset containing the tile
TileSet tset = _tsmgr.getTileSet(tsid);
Log.info("Retrieved tileset [tsid=" + tsid + ", tid=" +
tid + ", tset=" + tset + "].");
// retrieve the tile image from the tileset
tile = new Tile(tsid, tid);
tile.img = tset.getTileImage(tid, this);
tile.img = tset.getTileImage(tid);
_tiles.put(utid, tile);
}
return tile;
}
public void registerObserver (ImageObserver obs)
{
if (_observers == null) _observers = new Vector();
_observers.addElement(obs);
}
public boolean imageUpdate (Image img, int infoflags, int x, int y,
int width, int height)
{
int size = _observers.size();
for (int ii = 0; ii < size; ii++) {
ImageObserver obs = (ImageObserver)_observers.elementAt(ii);
obs.imageUpdate(img, infoflags, x, y, width, height);
}
return true;
}
// mapping from (tsid << 16 | tid) to tile objects
protected IntMap _tiles = new IntMap();
// mapping from tileset ids to tileset objects
protected IntMap _tilesets = new IntMap();
// registered tile image observers
protected Vector _observers;
// our tile set manager
protected TileSetManager _tsmgr;
}
+15 -16
View File
@@ -1,5 +1,5 @@
//
// $Id: TileSet.java,v 1.1 2001/07/12 22:38:03 shaper Exp $
// $Id: TileSet.java,v 1.2 2001/07/14 00:21:24 shaper Exp $
package com.threerings.cocktail.miso.tile;
@@ -9,6 +9,7 @@ import com.threerings.cocktail.miso.media.ImageManager;
import com.samskivert.util.Config;
import java.awt.Image;
import java.awt.Graphics2D;
import java.awt.image.*;
/**
@@ -49,13 +50,19 @@ public class TileSet
* Return the image corresponding to the specified tile id within
* this tile set.
*/
public Image getTileImage (int tid, ImageObserver obs)
public BufferedImage getTileImage (int tid)
{
// load the full tile image if we don't already have it
if (_imgTiles == null) {
_imgTiles = ImageManager.getImage(_file, obs);
Log.info("Getting full tileset image [file=" + _file + "].");
if (_imgTiles == null) {
if ((_imgTiles = ImageManager.getImage(_file)) == null) {
Log.warning("Failed to retrieve full tileset image.");
return null;
}
}
}
// find the row number containing the sought-after tile
int ridx, tcount, ty, tx;
ridx = tcount = ty = tx = 0;
@@ -71,17 +78,9 @@ public class TileSet
ridx + ", xidx=" + xidx + ", tx=" + tx +
", ty=" + ty + "].");
// retrieve the appropriate image chunk from the full image
CropImageFilter crop =
new CropImageFilter(tx, ty, Tile.WIDTH, _rowHeight[ridx]);
FilteredImageSource prod =
new FilteredImageSource(_imgTiles.getSource(), crop);
Image img = ImageManager.tk.createImage(prod);
ImageManager.tk.prepareImage(img, -1, -1, obs);
return img;
// crop the tile-sized image chunk from the full image
return ImageManager.getImageCropped(_imgTiles, tx, ty,
Tile.WIDTH, _rowHeight[ridx]);
}
/**
@@ -110,7 +109,7 @@ public class TileSet
return buf.append("}]").toString();
}
protected static final String PREFIX = "tileset.";
protected static final String PREFIX = "miso.tileset.";
protected static final String CONF_FILE = "file";
protected static final String CONF_NAME = "name";
@@ -1,5 +1,5 @@
//
// $Id: DisplayMisoSceneImpl.java,v 1.1 2001/07/12 22:38:03 shaper Exp $
// $Id: DisplayMisoSceneImpl.java,v 1.2 2001/07/14 00:21:23 shaper Exp $
package com.threerings.cocktail.miso.scene;
@@ -31,7 +31,7 @@ public class Scene
tiles = new Tile[TILE_WIDTH][TILE_HEIGHT][NUM_LAYERS];
Tile tile = _tmgr.getTile(DEF_TILESET_NAME, DEF_TILE_NAME);
Tile tile = _tmgr.getTile(DEF_TSID, DEF_TID);
for (int xx = 0; xx < TILE_WIDTH; xx++) {
for (int yy = 0; yy < TILE_HEIGHT; yy++) {
for (int ii = 0; ii < NUM_LAYERS; ii++) {
@@ -214,8 +214,8 @@ public class Scene
protected static final String DEF_SCENE_NAME = "Untitled Scene";
protected static final String DEF_TILESET_NAME = "ground";
protected static final String DEF_TILE_NAME = "dirt";
protected static final short DEF_TSID = 0;
protected static final short DEF_TID = 1;
protected String _name; // the scene name
protected short _sid; // the unique scene id
@@ -1,12 +1,15 @@
//
// $Id: IsoSceneView.java,v 1.1 2001/07/12 22:38:03 shaper Exp $
// $Id: IsoSceneView.java,v 1.2 2001/07/14 00:21:23 shaper Exp $
package com.threerings.cocktail.miso.scene;
import com.threerings.cocktail.miso.Log;
import com.threerings.cocktail.miso.media.ImageManager;
import com.threerings.cocktail.miso.tile.Tile;
import com.threerings.cocktail.miso.tile.TileManager;
import java.awt.*;
import java.awt.image.*;
/**
* The IsoSceneView provides an isometric graphics view of a
@@ -26,16 +29,23 @@ public class IsoSceneView implements SceneView
public void paint (Graphics g)
{
Graphics2D g2 = (Graphics2D)g;
_offGraphics.setColor(Color.white);
// Image img = ImageManager.getImage("/home/shaper/workspace/cocktail/rsrc/media/miso/tiles-base.png");
// _scene.tiles[10][10][0].img =
// ImageManager.getImageCropped(img, 32, 0, 32, 16);
_offGraphics.setColor(Color.red);
_offGraphics.fillRect(0, 0, _bounds.width, _bounds.height);
// draw the full scene into the offscreen image buffer
renderScene(_offGraphics, _viewX, _viewY);
g.drawImage(_offImage, 0, 0, null);
// copy offscreen buffer to the given graphics context
g2.drawImage(_offImg, null, 0, 0);
}
protected void renderScene (Graphics g, int x, int y)
protected void renderScene (Graphics2D g2, int x, int y)
{
int mapX = x / Tile.HALF_WIDTH;
int xOff = x & (Tile.HALF_WIDTH - 1);
@@ -67,8 +77,11 @@ public class IsoSceneView implements SceneView
// TODO: draw layers L1+.
Tile tile = _scene.tiles[tx][ty][Scene.LAYER_BASE];
g.drawImage(tile.img, screenX, screenY, null);
g2.drawImage(tile.img, screenX, screenY, null);
//Log.info("Drawing tile [tx=" + tx + ", ty=" + ty +
// ", sx=" + screenX + ", sy=" + screenY +
// ", img=" + tile.img + "].");
screenX += Tile.WIDTH;
if ((tx += 1) > Scene.TILE_WIDTH - 1) tx = 0;
@@ -89,11 +102,17 @@ public class IsoSceneView implements SceneView
{
_scene = scene;
}
public void setTarget (Component target)
{
_offImage = target.createImage(_bounds.width, _bounds.height);
_offGraphics = _offImage.getGraphics();
_target = target;
int width = _bounds.width, height = _bounds.height;
_offImg = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
_offGraphics = _offImg.createGraphics();
Log.info("Creating offscreen [width=" + width + ", height=" +
height + "].");
}
protected static final int OFF_X = -Tile.WIDTH;
@@ -102,14 +121,12 @@ public class IsoSceneView implements SceneView
protected static final int DEF_BOUNDS_WIDTH = 600;
protected static final int DEF_BOUNDS_HEIGHT = 600;
protected BufferedImage _offImg;
protected Graphics2D _offGraphics;
protected Rectangle _bounds;
protected int _viewX, _viewY;
protected Graphics _offGraphics;
protected Image _offImage;
protected int _viewX, _viewY;
protected Scene _scene;
protected Component _target;
protected TileManager _tmgr;
}