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More progress toward arbitrarily scrollable scenes. The IsoSceneView still

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requests all objects in God's green earth, but we now have the necessary
structures for it to request new objects as they scroll (nearly) into view
and for it to abandon objects as they scroll (way) out of view.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1742 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2002-09-23 21:54:50 +00:00
parent 552d73de59
commit 92c8748c7c
6 changed files with 112 additions and 167 deletions
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src/java/com/threerings/miso/client/IsoSceneView.java
+14 -23
View File
@@ -1,5 +1,5 @@
//
// $Id: IsoSceneView.java,v 1.119 2002/09/18 02:32:57 mdb Exp $
// $Id: IsoSceneView.java,v 1.120 2002/09/23 21:54:50 mdb Exp $
package com.threerings.miso.scene;
@@ -35,6 +35,7 @@ import com.threerings.miso.Log;
import com.threerings.miso.scene.DirtyItemList.DirtyItem;
import com.threerings.miso.scene.util.AStarPathUtil;
import com.threerings.miso.scene.util.IsoUtil;
import com.threerings.miso.scene.util.ObjectSet;
/**
* The iso scene view provides an isometric view of a particular scene. It
@@ -422,27 +423,17 @@ public class IsoSceneView implements SceneView
// clear out any previously existing object data
_objects.clear();
// generate metric records for all objects
int ocount = _scene.getObjectCount();
for (int ii = 0; ii < ocount; ii++) {
createSceneObject(_scene.getObjectCoords(ii).x,
_scene.getObjectCoords(ii).y,
_scene.getObjectTile(ii), ii,
_scene.getObjectAction(ii));
}
}
// grab all available objects
Rectangle rect = new Rectangle(Short.MIN_VALUE, Short.MIN_VALUE,
2*Short.MAX_VALUE, 2*Short.MAX_VALUE);
_scene.getSceneObjects(rect, _objects);
/**
* Creates a new scene object and adds it to the list.
*/
protected void createSceneObject (
int x, int y, ObjectTile tile, int index, String action)
{
SceneObject scobj = new SceneObject(x, y, tile);
scobj.index = index;
scobj.action = action;
scobj.bounds = IsoUtil.getObjectBounds(_model, scobj);
_objects.add(scobj);
// and fill in those objects' bounds
int ocount = _objects.size();
for (int ii = 0; ii < ocount; ii++) {
SceneObject scobj = _objects.get(ii);
scobj.bounds = IsoUtil.getObjectBounds(_model, scobj);
}
}
// documentation inherited
@@ -620,8 +611,8 @@ public class IsoSceneView implements SceneView
/** The scene to be displayed. */
protected DisplayMisoScene _scene;
/** Metric information for all of the object tiles. */
protected ArrayList _objects = new ArrayList();
/** Information for all of the objects visible in the scene. */
protected ObjectSet _objects = new ObjectSet();
/** The dirty sprites and objects that need to be re-painted. */
protected DirtyItemList _dirtyItems = new DirtyItemList();