More polishing work on scene rendering.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@543 542714f4-19e9-0310-aa3c-eee0fc999fb1
2001-10-24 00:55:08 +00:00
parent 7263ecba95
commit c839b61548
12 changed files with 745 additions and 351 deletions
@@ -1,93 +0,0 @@
-//
-// $Id: DirtyItemList.java,v 1.4 2001/10/22 18:14:57 shaper Exp $
-
-package com.threerings.media.sprite;
-
-import java.awt.*;
-import java.util.*;
-
-import com.threerings.media.sprite.Sprite;
-import com.threerings.media.tile.ObjectTile;
-
-import com.threerings.media.Log;
-
-/**
- * The dirty item list keeps track of dirty sprites and object tiles
- * in a scene.
- */
-public class DirtyItemList extends ArrayList
-{
-    /**
-     * Appends the dirty sprite at the given coordinates to the dirty
-     * item list.
-     */
-    public void appendDirtySprite (
-        Sprite sprite, int x, int y, Rectangle dirtyRect)
-    {
-        add(new DirtyItem(sprite, null, x, y, dirtyRect));
-    }
-
-    /**
-     * Appends the dirty object tile at the given coordinates to the
-     * dirty item list.
-     */
-    public void appendDirtyObject (
-        ObjectTile tile, Shape bounds, int x, int y, Rectangle dirtyRect)
-    {
-        add(new DirtyItem(tile, bounds, x, y, dirtyRect));
-    }
-
-    /**
-     * A class to hold the items inserted in the dirty list along with
-     * all of the information necessary to render their dirty regions
-     * to the target graphics context when the time comes to do so.
-     */
-    public class DirtyItem
-    {
-        public Object obj;
-        public Shape bounds;
-        public int x, y;
-        public Rectangle dirtyRect;
-
-        /**
-         * Constructs a dirty item.
-         */
-        public DirtyItem (
-            Object obj, Shape bounds, int x, int y, Rectangle dirtyRect)
-        {
-            this.obj = obj;
-            this.bounds = bounds;
-            this.x = x;
-            this.y = y;
-            this.dirtyRect = dirtyRect;
-        }
-
-        /**
-         * Paints the dirty item to the given graphics context.  Only
-         * the portion of the item that falls within the given dirty
-         * rectangle is actually drawn.
-         */
-        public void paint (Graphics2D gfx, Rectangle clip)
-        {
-            Shape oclip = gfx.getClip();
-
-            // clip the draw region to the dirty portion of the item
-            gfx.clip(clip);
-
-            // paint the item
-            if (obj instanceof Sprite) {
-                ((Sprite)obj).paint(gfx);
-            } else {
-                ((ObjectTile)obj).paint(gfx, bounds);
-            }
-
-            // restore original clipping region
-            gfx.setClip(oclip);
-        }
-
-        public String toString ()
-        {
-            return "[obj=" + obj + ", x=" + x + ", y=" + y + "]";
-        }
-    }
-}