Use an array to mark dirty tiles. Added double-buffering to the

SceneViewPanel.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@194 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Walter Korman
2001-08-08 03:19:39 +00:00
parent 6b423cd53a
commit 49764d7b79
4 changed files with 90 additions and 44 deletions
@@ -1,5 +1,5 @@
//
// $Id: AnimationManager.java,v 1.9 2001/08/08 00:10:50 shaper Exp $
// $Id: AnimationManager.java,v 1.10 2001/08/08 03:19:39 shaper Exp $
package com.threerings.miso.sprite;
@@ -113,6 +113,7 @@ public class AnimationManager implements Interval, PerformanceObserver
ArrayList rects = _spritemgr.getDirtyRects();
if (rects.size() > 0) {
// pass the dirty-rects on to the scene view
_view.invalidateRects(rects);
@@ -160,7 +161,7 @@ public class AnimationManager implements Interval, PerformanceObserver
protected Runnable _ticker;
/** The desired number of refresh operations per second. */
protected static final int FRAME_RATE = 40;
protected static final int FRAME_RATE = 70;
/** The milliseconds to sleep to obtain desired frame rate. */
protected static final long REFRESH_INTERVAL = 1000 / FRAME_RATE;
@@ -1,5 +1,5 @@
//
// $Id: IsoSceneView.java,v 1.28 2001/08/08 00:10:50 shaper Exp $
// $Id: IsoSceneView.java,v 1.29 2001/08/08 03:19:38 shaper Exp $
package com.threerings.miso.scene;
@@ -39,9 +39,13 @@ public class IsoSceneView implements EditableSceneView
// get the font used to render tile coordinates
_font = new Font("Arial", Font.PLAIN, 7);
// create the lists of dirty tiles and rectangles
_dirty = new ArrayList();
// create the array used to mark dirty tiles
_dirty = new boolean[Scene.TILE_WIDTH][Scene.TILE_HEIGHT];
// create the list of dirty rectangles
_dirtyRects = new ArrayList();
clearDirtyRegions();
}
/**
@@ -61,7 +65,7 @@ public class IsoSceneView implements EditableSceneView
Shape oldclip = gfx.getClip();
gfx.setClip(0, 0, _model.bounds.width, _model.bounds.height);
if (_dirty.size() == 0) {
if (_numDirty == 0) {
// render the full scene
renderScene(gfx);
@@ -70,8 +74,9 @@ public class IsoSceneView implements EditableSceneView
renderSceneInvalid(gfx);
// draw frames of dirty tiles and rectangles
drawDirtyRegions(gfx);
//drawDirtyRegions(gfx);
// clear out the dirty tiles and rectangles
clearDirtyRegions();
}
@@ -87,23 +92,31 @@ public class IsoSceneView implements EditableSceneView
protected void clearDirtyRegions ()
{
_dirty.clear();
_dirtyRects.clear();
_numDirty = 0;
for (int xx = 0; xx < Scene.TILE_WIDTH; xx++) {
for (int yy = 0; yy < Scene.TILE_HEIGHT; yy++) {
_dirty[xx][yy] = false;
}
}
}
protected void drawDirtyRegions (Graphics2D gfx)
{
// draw the dirty tiles
gfx.setColor(Color.cyan);
int size = _dirty.size();
for (int ii = 0; ii < size; ii++) {
int dinfo[] = (int[])_dirty.get(ii);
gfx.draw(getTilePolygon(dinfo[0], dinfo[1]));
for (int xx = 0; xx < Scene.TILE_WIDTH; xx++) {
for (int yy = 0; yy < Scene.TILE_HEIGHT; yy++) {
if (_dirty[xx][yy]) {
gfx.draw(getTilePolygon(xx, yy));
}
}
}
// draw the dirty rectangles
gfx.setColor(Color.red);
size = _dirtyRects.size();
int size = _dirtyRects.size();
for (int ii = 0; ii < size; ii++) {
Rectangle rect = (Rectangle)_dirtyRects.get(ii);
gfx.draw(rect);
@@ -117,34 +130,39 @@ public class IsoSceneView implements EditableSceneView
*/
protected void renderSceneInvalid (Graphics2D gfx)
{
int size = _dirty.size();
for (int ii = 0; ii < size; ii++) {
int numDrawn = 0;
// retrieve the next dirty tile coordinates
int[] dinfo = (int[])_dirty.get(ii);
int tx = dinfo[0], ty = dinfo[1];
for (int xx = 0; xx < Scene.TILE_WIDTH; xx++) {
for (int yy = 0; yy < Scene.TILE_HEIGHT; yy++) {
// get the tile's screen position
Polygon poly = getTilePolygon(tx, ty);
// skip this tile if it's not marked dirty
if (!_dirty[xx][yy]) continue;
// draw all layers at this tile position
for (int kk = 0; kk < Scene.NUM_LAYERS; kk++) {
// get the tile's screen position
Polygon poly = getTilePolygon(xx, yy);
// get the tile at these coordinates and layer
Tile tile = _scene.tiles[tx][ty][kk];
if (tile == null) continue;
// draw all layers at this tile position
for (int kk = 0; kk < Scene.NUM_LAYERS; kk++) {
// offset the image y-position by the tile-specific height
int ypos = poly.ypoints[0] - _model.tilehhei -
(tile.height - _model.tilehei);
// get the tile at these coordinates and layer
Tile tile = _scene.tiles[xx][yy][kk];
if (tile == null) continue;
// draw the tile image
gfx.drawImage(tile.img, poly.xpoints[0], ypos, null);
}
// offset the image y-position by the tile-specific height
int ypos = poly.ypoints[0] - _model.tilehhei -
(tile.height - _model.tilehei);
// draw all sprites residing in the current tile
_spritemgr.renderSprites(gfx, poly);
}
// draw the tile image
gfx.drawImage(tile.img, poly.xpoints[0], ypos, null);
}
// draw all sprites residing in the current tile
_spritemgr.renderSprites(gfx, poly);
// bail early if we know we've drawn all dirty tiles
if (++numDrawn == _numDirty) break;
}
}
}
/**
@@ -376,7 +394,8 @@ public class IsoSceneView implements EditableSceneView
if (y < (screenY + _model.tilehhei)) {
ty--;
for (int ii = 0; ii < numh; ii++) {
_dirty.add(new int[] { tx++, ty-- });
if (!_dirty[tx][ty]) _numDirty++;
_dirty[tx++][ty--] = true;
}
}
@@ -415,7 +434,8 @@ public class IsoSceneView implements EditableSceneView
// add all tiles in the row to the dirty set
for (int jj = 0; jj < length; jj++) {
_dirty.add(new int[] { tx++, ty-- });
if (!_dirty[tx][ty]) _numDirty++;
_dirty[tx++][ty--] = true;
}
// step along the x- or y-axis appropriately
@@ -489,8 +509,11 @@ public class IsoSceneView implements EditableSceneView
/** The font to draw tile coordinates. */
protected Font _font;
/** The dirty tile row segments that need to be re-painted. */
protected ArrayList _dirty;
/** The dirty tiles that need to be re-painted. */
protected boolean _dirty[][];
/** The number of dirty tiles. */
protected int _numDirty;
/** The dirty rectangles that need to be re-painted. */
protected ArrayList _dirtyRects;
@@ -1,5 +1,5 @@
//
// $Id: SceneViewPanel.java,v 1.3 2001/08/08 00:10:50 shaper Exp $
// $Id: SceneViewPanel.java,v 1.4 2001/08/08 03:19:38 shaper Exp $
package com.threerings.miso.scene;
@@ -54,10 +54,26 @@ public class SceneViewPanel extends JPanel
/**
* Render the panel and the scene view to the given graphics object.
*/
public void render (Graphics g)
{
if (_offimg == null) {
createOffscreen();
}
_view.paint(_offg);
g.drawImage(_offimg, 0, 0, null);
}
public void paintComponent (Graphics g)
{
// super.paintComponent(g);
_view.paint(g);
render(g);
}
protected void createOffscreen ()
{
Rectangle bounds = getBounds();
_offimg = createImage(bounds.width, bounds.height);
_offg = _offimg.getGraphics();
}
/**
@@ -84,6 +100,12 @@ public class SceneViewPanel extends JPanel
/** Origin vertical offset in pixels. */
protected static final int VOFFSET = -(5 * THEIGHT);
/** The offscreen image used for double-buffering. */
protected Image _offimg;
/** The graphics context for the offscreen image. */
protected Graphics _offg;
/** The scene data model. */
protected IsoSceneModel _smodel;
@@ -1,5 +1,5 @@
//
// $Id: ViewerSceneViewPanel.java,v 1.3 2001/08/07 18:29:18 shaper Exp $
// $Id: ViewerSceneViewPanel.java,v 1.4 2001/08/08 03:19:39 shaper Exp $
package com.threerings.miso.viewer;
@@ -40,7 +40,7 @@ public class ViewerSceneViewPanel extends SceneViewPanel
// load up the initial scene
prepareStartingScene();
((EditableSceneView)_view).setShowCoordinates(true);
//((EditableSceneView)_view).setShowCoordinates(true);
PerformanceMonitor.register(this, "paint", 1000);
}
@@ -100,7 +100,7 @@ public class ViewerSceneViewPanel extends SceneViewPanel
}
// hackily highlight the tile that was clicked on for happy testing
((EditableSceneView)_view).setHighlightedTile(x, y);
// ((EditableSceneView)_view).setHighlightedTile(x, y);
}
public void mouseClicked (MouseEvent e) { }