Added facilities for creating a veritable slew of dummy sprites that

walk around at random.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@525 542714f4-19e9-0310-aa3c-eee0fc999fb1

tests/src/java/com/threerings/miso/viewer/ViewerFrame.java

@@ -1,20 +1,15 @@
 //
-// $Id: ViewerFrame.java,v 1.22 2001/10/17 22:16:04 shaper Exp $
+// $Id: ViewerFrame.java,v 1.23 2001/10/23 02:03:49 shaper Exp $
 
 package com.threerings.miso.viewer;
 
-import java.awt.*;
+import javax.swing.JFrame;
-import javax.swing.*;
 
-import com.samskivert.swing.*;
+import com.threerings.media.sprite.SpriteManager;
-
-import com.threerings.media.sprite.*;
 import com.threerings.media.tile.TileManager;
 
 import com.threerings.miso.Log;
-import com.threerings.miso.scene.AmbulatorySprite;
 import com.threerings.miso.scene.CharacterManager;
-import com.threerings.miso.tile.TileUtil;
 import com.threerings.miso.viewer.util.ViewerContext;
 
 /**
@@ -36,38 +31,19 @@ public class ViewerFrame extends JFrame
      */
     public void init (ViewerContext ctx)
     {
-	_ctx = ctx;
-
         // get a reference on our various manager objects
         SpriteManager spritemgr = new SpriteManager();
-        TileManager tilemgr = _ctx.getTileManager();
+        TileManager tilemgr = ctx.getTileManager();
 
         // construct the character manager from which we obtain our sprite
         CharacterManager charmgr = new CharacterManager(
             ctx.getConfig(), tilemgr);
 
-        // add the test character sprite to the sprite manager
-	AmbulatorySprite sprite = charmgr.getCharacter(TSID_CHAR);
-        if (sprite != null) {
-            sprite.setLocation(300, 300);
-            spritemgr.addSprite(sprite);
-            Log.info("Created sprite [sprite=" + sprite + "].");
-        }
-
 	// set up the scene view panel with a default scene
         ViewerSceneViewPanel svpanel =
-	    new ViewerSceneViewPanel(_ctx, spritemgr, sprite);
+	    new ViewerSceneViewPanel(ctx, spritemgr, charmgr);
 
 	// add the main panel to the frame
 	getContentPane().add(svpanel);
     }
-
-    /** The tileset id for the character tiles. */
-    protected static final int TSID_CHAR = 1011;
-
-    /** The panel displaying the scene. */
-    ViewerSceneViewPanel _svpanel;
-
-    /** The context object. */
-    protected ViewerContext _ctx;
 }

tests/src/java/com/threerings/miso/viewer/ViewerSceneViewPanel.java

@@ -1,5 +1,5 @@
 //
-// $Id: ViewerSceneViewPanel.java,v 1.19 2001/10/22 18:15:57 shaper Exp $
+// $Id: ViewerSceneViewPanel.java,v 1.20 2001/10/23 02:03:49 shaper Exp $
 
 package com.threerings.miso.viewer;
 
@@ -9,7 +9,9 @@ import java.io.IOException;
 import javax.swing.JPanel;
 
 import com.samskivert.util.Config;
+
 import com.threerings.media.sprite.*;
+import com.threerings.media.util.RandomUtil;
 
 import com.threerings.miso.Log;
 import com.threerings.miso.scene.*;
@@ -18,18 +20,17 @@ import com.threerings.miso.util.*;
 import com.threerings.miso.viewer.util.ViewerContext;
 
 public class ViewerSceneViewPanel extends SceneViewPanel
-    implements PerformanceObserver
+    implements PerformanceObserver, SpriteObserver
 {
     /**
      * Construct the panel and initialize it with a context.
      */
     public ViewerSceneViewPanel (
-	ViewerContext ctx, SpriteManager spritemgr, AmbulatorySprite sprite)
+	ViewerContext ctx, SpriteManager spritemgr, CharacterManager charmgr)
     {
 	super(ctx.getConfig(), spritemgr);
 
 	_ctx = ctx;
-        _sprite = sprite;
 
         // create an animation manager for this panel
   	_animmgr = new AnimationManager(spritemgr, this);
@@ -44,9 +45,45 @@ public class ViewerSceneViewPanel extends SceneViewPanel
         // load up the initial scene
         prepareStartingScene();
 
+        // create the manipulable sprite
+        _sprite = createSprite(spritemgr, charmgr);
+
+        // create the decoy sprites
+        createDecoys(spritemgr, charmgr);
+
 	PerformanceMonitor.register(this, "paint", 1000);
     }
 
+    /**
+     * Creates a new sprite.
+     */
+    protected AmbulatorySprite createSprite (
+        SpriteManager spritemgr, CharacterManager charmgr)
+    {
+        AmbulatorySprite s = charmgr.getCharacter(TSID_CHAR);
+        if (s != null) {
+            s.setLocation(300, 300);
+            s.addSpriteObserver(this);
+            spritemgr.addSprite(s);
+        }
+
+        return s;
+    }
+
+    /**
+     * Creates the decoy sprites.
+     */
+    protected void createDecoys (
+        SpriteManager spritemgr, CharacterManager charmgr)
+    {
+        _decoys = new AmbulatorySprite[NUM_DECOYS];
+        for (int ii = 0; ii < NUM_DECOYS; ii++) {
+            if ((_decoys[ii] = createSprite(spritemgr, charmgr)) != null) {
+                createRandomPath(_decoys[ii]);
+            }
+        }
+    }
+
     /**
      * Load and set up the starting scene for display.
      */
@@ -63,12 +100,14 @@ public class ViewerSceneViewPanel extends SceneViewPanel
         }
     }
 
+    // documentation inherited
     public void paintComponent (Graphics g)
     {
 	super.paintComponent(g);
 	PerformanceMonitor.tick(this, "paint");
     }
 
+    // documentation inherited
     public void checkpoint (String name, int ticks)
     {
         Log.info(name + " [ticks=" + ticks + "].");
@@ -80,24 +119,74 @@ public class ViewerSceneViewPanel extends SceneViewPanel
     {
         int x = e.getX(), y = e.getY();
         Log.info("mousePressed [x=" + x + ", y=" + y + "].");
+        createPath(_sprite, x, y);
+    }
 
+    /**
+     * Assigns the sprite a path leading to the given destination
+     * screen coordinates.  Returns whether a path was successfully
+     * assigned.
+     */
+    protected boolean createPath (AmbulatorySprite s, int x, int y)
+    {
         // get the path from here to there
-        Path path = _view.getPath(_sprite, x, y);
+        Path path = _view.getPath(s, x, y);
 	if (path == null) {
-	    _sprite.cancelMove();
+	    s.cancelMove();
-	    return;
+	    return false;
 	}
 
+        // start the sprite moving along the path
 	((LineSegmentPath)path).setVelocity(100f/1000f);
-	_sprite.move(path);
+	s.move(path);
+        return true;
     }
 
+    /**
+     * Assigns a new random path to the given sprite.
+     */
+    protected void createRandomPath (AmbulatorySprite s)
+    {
+        Dimension d = _scenemodel.bounds.getSize();
+
+        int x, y;
+        do {
+            x = RandomUtil.getInt(d.width);
+            y = RandomUtil.getInt(d.height);
+            // Log.info("Moving sprite [s=" + s + ", x=" + x +
+            // ", y=" + y + "].");
+        } while (!createPath(s, x, y));
+    }
+
+    // documentation inherited
+    public void handleEvent (SpriteEvent event)
+    {
+        if (event instanceof PathCompletedEvent) {
+            AmbulatorySprite s = (AmbulatorySprite)event.getSprite();
+            // Log.info("Path completed [sprite=" + s + "].");
+
+            if (s != _sprite) {
+                // move the sprite to a new random location
+                createRandomPath(s);
+            }
+        }
+    }
+
+    /** The number of decoy characters milling about. */
+    protected static final int NUM_DECOYS = 10;
+
+    /** The tileset id for the character tiles. */
+    protected static final int TSID_CHAR = 1011;
+
     /** The animation manager. */
     AnimationManager _animmgr;
 
     /** The sprite we're manipulating within the view. */
     protected AmbulatorySprite _sprite;
 
+    /** The test sprites that meander about aimlessly. */
+    protected AmbulatorySprite _decoys[];
+
     /** The context object. */
     protected ViewerContext _ctx;
 }