This repository has been archived by the owner on Jul 16, 2023. It is now read-only.
/
JoglSceneManager.java
605 lines (524 loc) · 18.4 KB
/
JoglSceneManager.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
/*
* This file is part of Goko.
*
* Goko is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Goko is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Goko. If not, see <http://www.gnu.org/licenses/>.
*/
package org.goko.tools.viewer.jogl.service;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.media.opengl.DebugGL3;
import javax.media.opengl.GL;
import javax.media.opengl.GL2;
import javax.media.opengl.GL3;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.GLProfile;
import javax.vecmath.Color3f;
import javax.vecmath.Color4f;
import javax.vecmath.Point2i;
import javax.vecmath.Point3f;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseMoveListener;
import org.eclipse.swt.widgets.Composite;
import org.goko.core.common.exception.GkException;
import org.goko.core.common.exception.GkFunctionalException;
import org.goko.core.common.utils.CacheById;
import org.goko.core.common.utils.SequentialIdGenerator;
import org.goko.core.log.GkLog;
import org.goko.core.math.BoundingTuple6b;
import org.goko.core.viewer.renderer.IViewer3DRenderer;
import org.goko.tools.viewer.jogl.GokoJoglCanvas;
import org.goko.tools.viewer.jogl.camera.AbstractCamera;
import org.goko.tools.viewer.jogl.camera.PerspectiveCamera;
import org.goko.tools.viewer.jogl.camera.orthographic.FrontCamera;
import org.goko.tools.viewer.jogl.camera.orthographic.LeftCamera;
import org.goko.tools.viewer.jogl.camera.orthographic.TopCamera;
import org.goko.tools.viewer.jogl.preferences.JoglViewerPreference;
import org.goko.tools.viewer.jogl.service.overlay.CameraNameOverlay;
import org.goko.tools.viewer.jogl.service.utils.CoreJoglRendererAlphaComparator;
import org.goko.tools.viewer.jogl.shaders.EnumGokoShaderProgram;
import org.goko.tools.viewer.jogl.shaders.ShaderLoader;
import org.goko.tools.viewer.jogl.utils.light.Light;
import org.goko.tools.viewer.jogl.utils.overlay.IOverlayRenderer;
import org.goko.tools.viewer.jogl.utils.render.JoglRendererWrapper;
import com.jogamp.opengl.util.PMVMatrix;
import com.jogamp.opengl.util.awt.Overlay;
public abstract class JoglSceneManager implements GLEventListener, IPropertyChangeListener{
/** LOG */
private static final GkLog LOG = GkLog.getLogger(JoglSceneManager.class);
/** Flag to enable/disable the render*/
private boolean enabled = true;
private Overlay overlay;
private int x;
private int y;
private int width;
private int height;
/** Current camera */
private AbstractCamera camera;
/** The list of supported camera */
private List<AbstractCamera> supportedCamera;
/** Display canvas */
private GokoJoglCanvas canvas;
/** Rendering proxy */
private JoglRendererProxy proxy;
/** The list of renderer */
private List<ICoreJoglRenderer> renderers;
/** The list of renderer to remove */
private List<ICoreJoglRenderer> renderersToRemove;
/** The list of overlay renderer */
private CacheById<IOverlayRenderer> overlayRenderers;
private GLCapabilities canvasCapabilities;
private Map<Integer, Boolean> layerVisibility;
private Light light0;
private Light light1;
private Color3f backgroundColor;
private boolean updateBackgroundColor;
private Point2i mouseCanvasPosition;
private boolean displayPositionOverlay = true;
public JoglSceneManager() {
getRenderers();
initLayers();
this.renderersToRemove = new ArrayList<ICoreJoglRenderer>();
this.overlayRenderers = new CacheById<IOverlayRenderer>(new SequentialIdGenerator());
JoglViewerPreference.getInstance().addPropertyChangeListener(this);
displayPositionOverlay = JoglViewerPreference.getInstance().isDisplayPositionOverlay();
}
private void initLayers() {
this.layerVisibility = new HashMap<Integer, Boolean>();
this.layerVisibility.put(Layer.LAYER_GRIDS, true);
this.layerVisibility.put(Layer.LAYER_BOUNDS, true);
this.layerVisibility.put(Layer.LAYER_DEFAULT, true);
}
public GokoJoglCanvas createCanvas(Composite parent) throws GkException {
if(canvas != null){
return canvas;
}
GLProfile profile = GLProfile.getMaxFixedFunc(true);//getMaxProgrammable(true);//GLProfile.getMaxFixedFunc(true);//getDefault();
canvasCapabilities = new GLCapabilities(profile);
canvasCapabilities.setSampleBuffers(true);
canvasCapabilities.setNumSamples(JoglViewerPreference.getInstance().getMultisampling());
canvasCapabilities.setHardwareAccelerated(true);
canvasCapabilities.setDoubleBuffered(true);
canvas = new GokoJoglCanvas(parent, SWT.NO_BACKGROUND, canvasCapabilities);
canvas.addGLEventListener(this);
proxy = new JoglRendererProxy(null);
addCamera(new PerspectiveCamera(canvas, this));
addCamera(new TopCamera(canvas, this));
addCamera(new LeftCamera(canvas, this));
addCamera(new FrontCamera(canvas, this));
String defaultCamera = JoglViewerPreference.getInstance().getDefaultCamera();
if(isSupportedCamera(defaultCamera)){
setActiveCamera(defaultCamera);
}else{
setActiveCamera(PerspectiveCamera.ID);
JoglViewerPreference.getInstance().setDefaultCamera(PerspectiveCamera.ID);
}
addOverlayRenderer(new CameraNameOverlay(this));
canvas.addMouseMoveListener(new MouseMoveListener() {
@Override
public void mouseMove(MouseEvent e) {
mouseCanvasPosition = new Point2i(e.x, e.y);
}
});
onCanvasCreated(canvas);
return canvas;
}
protected abstract void onCanvasCreated(GokoJoglCanvas canvas) throws GkException;
/**
* Initialization of the lights
*/
protected void initLights(){
light0 = new Light(new Point3f(1000,1000,1000), new Color4f(0.5f,0.5f,0.45f,1), new Color4f(0.25f,0.2f,0.2f,1));
light1 = new Light(new Point3f(-500,-1000,-600), new Color4f(0.3f,0.3f,0.31f,1), new Color4f(0.1f,0.1f,0.15f,1));
}
/** (inheritDoc)
* @see javax.media.opengl.GLEventListener#display(javax.media.opengl.GLAutoDrawable)
*/
@Override
public void display(GLAutoDrawable gLAutoDrawable) {
GL3 gl = new DebugGL3( gLAutoDrawable.getGL().getGL3() );
if(updateBackgroundColor){
gl.glClearColor(backgroundColor.x, backgroundColor.y, backgroundColor.z, 1.0f); // reset background (clear) color
updateBackgroundColor = false;
}
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
if(!isEnabled()){
return;
}
if(camera == null){
return;
}
updateCamera(gLAutoDrawable, gl);
PMVMatrix cameraMatrix = camera.getPmvMatrix();
ShaderLoader.getInstance().updateProjectionMatrix(gl, cameraMatrix);
ShaderLoader.getInstance().updateLightData(gl, light0, light1);
proxy.setGl(gl);
try {
displayRenderers(gl);
} catch (GkException e) {
LOG.error(e);
}
gl.glUseProgram(0);
drawOverlay();
}
/**
* Display the registered renderers
* @param gl the GL2 to draw on
* @throws GkException GkException
*/
private void displayRenderers(GL3 gl) throws GkException{
synchronized (renderers) {
for (ICoreJoglRenderer renderer : getRenderers()) {
if(renderer.shouldDestroy()){
renderersToRemove.add(renderer);
}else{
if(isLayerVisible(renderer.getLayerId())){
renderer.render(gl, camera.getPmvMatrix());
}
}
}
if(CollectionUtils.isNotEmpty(renderersToRemove)){
for (ICoreJoglRenderer renderer : renderersToRemove) {
renderer.performDestroy(gl);
LOG.info("Destroying renderer "+renderer.getCode()+" ["+renderer.toString()+"]");
renderers.remove(renderer);
}
renderersToRemove.clear();
}
}
}
public boolean isLayerVisible(int layerId) {
if(layerVisibility.containsKey(layerId)){
return layerVisibility.get(layerId);
}
return true;
}
public void addRenderer(IViewer3DRenderer renderer) throws GkException {
addRenderer(new JoglRendererWrapper(renderer));
}
public void addRenderer(ICoreJoglRenderer renderer) throws GkException {
renderers.add(renderer);
LOG.info("Adding renderer "+renderer.getCode()+" ["+renderer.toString()+"]");
synchronized (renderers) {
// Make sure that renderer using alpha get rendered last
Collections.sort(getRenderers(), new CoreJoglRendererAlphaComparator());
}
}
public void removeRenderer(ICoreJoglRenderer renderer) throws GkException {
synchronized (renderers) {
getRenderers().remove(renderer);
}
}
public void removeRenderer(IViewer3DRenderer renderer) throws GkException {
synchronized (renderers) {
getRenderers().remove(renderer);
}
}
/**
* Removes the given JOGL Renderer
* @param renderer the renderer to remove
* @throws GkException GkException
*/
protected void removeRenderer(AbstractCoreJoglRenderer renderer) throws GkException {
getRenderers().remove(renderer);
}
/**
* @return the renderers
*/
protected List<ICoreJoglRenderer> getRenderers() {
if(renderers == null){
renderers = Collections.synchronizedList(new ArrayList<ICoreJoglRenderer>());
}
return renderers;
}
public void setRendererEnabled(String idRenderer, boolean enabled) throws GkException{
getJoglRenderer(idRenderer).setEnabled(enabled);
}
/** (inheritDoc)
* @see javax.media.opengl.GLEventListener#dispose(javax.media.opengl.GLAutoDrawable)
*/
@Override
public void dispose(GLAutoDrawable gLAutoDrawable) {
}
/** (inheritDoc)
* @see javax.media.opengl.GLEventListener#init(javax.media.opengl.GLAutoDrawable)
*/
@Override
public void init(GLAutoDrawable gLAutoDrawable) {
GL3 gl = gLAutoDrawable.getGL().getGL3(); // get the OpenGL graphics context
//gl.glClearColor(.19f, .19f, .23f, 1.0f); // set background (clear) color
backgroundColor = JoglViewerPreference.getInstance().getBackgroundColor();
gl.glClearColor(backgroundColor.x, backgroundColor.y, backgroundColor.z, 1.0f);
gl.glClearDepth(1.0f); // set clear depth value to farthest
gl.getMaxRenderbufferSamples();
// Enable blending
gl.glEnable(GL.GL_BLEND);
gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
// Enable ZBuffer
gl.glEnable(GL.GL_DEPTH_TEST);
// Accept fragment if it closer to the camera than the former one
gl.glDepthFunc(GL.GL_LEQUAL);
// Perspective correction
gl.glHint(GL2.GL_PERSPECTIVE_CORRECTION_HINT, GL2.GL_NICEST); // best perspective correction
// Line smooth
gl.glEnable(GL.GL_LINE_SMOOTH);
gl.glHint(GL.GL_LINE_SMOOTH_HINT, GL.GL_DONT_CARE);
int shaderProgram = ShaderLoader.loadShader(new DebugGL3(gl), EnumGokoShaderProgram.LINE_SHADER);
gl.glBindAttribLocation(shaderProgram, 0, "vertexPosition_modelspace");
gl.glUseProgram(shaderProgram);
initLights();
overlay = new Overlay(gLAutoDrawable);
overlay.createGraphics();
}
/** (inheritDoc)
* @see javax.media.opengl.GLEventListener#reshape(javax.media.opengl.GLAutoDrawable, int, int, int, int)
*/
@Override
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
this.x = x;
this.y = y;
this.setWidth(width);
this.height = height;
if(camera != null){
camera.reshape(drawable, x, y, width, height);
}
}
public List<AbstractCamera> getSupportedCamera() throws GkException {
if(supportedCamera == null){
this.supportedCamera = new ArrayList<AbstractCamera>();
}
return supportedCamera;
}
public boolean isSupportedCamera(String cameraId) throws GkException{
for (AbstractCamera tmpCamera : getSupportedCamera()) {
if(StringUtils.equals(cameraId, tmpCamera.getId())){
return true;
}
}
return false;
}
public void setActiveCamera(String idCamera) throws GkException {
for (AbstractCamera tmpCamera : getSupportedCamera()) {
if(StringUtils.equals(idCamera, tmpCamera.getId())){
if(camera != null){
camera.setActivated(false);
if(camera.getPositionOverlay() != null){
removeOverlayRenderer(camera.getPositionOverlay());
}
}
camera = tmpCamera;
camera.updateViewport(x, y, getWidth(), height);
camera.setActivated(true);
if(camera.getPositionOverlay() != null){
addOverlayRenderer(camera.getPositionOverlay());
camera.getPositionOverlay().setOverlayEnabled(displayPositionOverlay);
}
return;
}
}
}
/**
* Update the camera informations
* @param gLAutoDrawable the drawable
* @param gl the GL2
*/
private void updateCamera(GLAutoDrawable gLAutoDrawable, GL3 gl){
if(!camera.isInitialized()){
camera.reshape(gLAutoDrawable, x, y, getWidth(), height);
camera.setInitialized(true);
}
camera.updateViewport(x, y, getWidth(), height);
camera.updatePosition();
}
private void drawOverlay() {
overlay.beginRendering();
Graphics2D g2d = overlay.createGraphics();
try{
Color transparentColor = new Color(0,0,0,0);
g2d.setBackground(transparentColor);
g2d.clearRect(0, 0, width, height);
drawOverlayRenderer(g2d);
}catch(GkException e){
LOG.error(e);
}
overlay.markDirty(0, 0, width, height);
overlay.drawAll();
g2d.dispose();
overlay.endRendering();
}
/**
* Registers the given overlay renderer
* @param overlayRenderer the renderer to register
* @throws GkException GkException
*/
public void addOverlayRenderer(IOverlayRenderer overlayRenderer) throws GkException{
overlayRenderers.add(overlayRenderer);
}
/**
* Removes the given overlay renderer
* @param overlayRenderer the renderer to register
* @throws GkException GkException
*/
public void removeOverlayRenderer(IOverlayRenderer overlayRenderer) throws GkException{
overlayRenderers.remove(overlayRenderer);
}
/**
* Draws the registered overlays
* @param g2d the target graphic
* @throws GkException GkException
*/
protected void drawOverlayRenderer(Graphics2D g2d) throws GkException{
List<IOverlayRenderer> lstRenderers = overlayRenderers.get();
Rectangle bounds = new Rectangle(x, y, width, height);
for (IOverlayRenderer overlayRenderer : lstRenderers) {
if(overlayRenderer.isOverlayEnabled()){
overlayRenderer.drawOverlayData(g2d, bounds);
}
}
}
public ICoreJoglRenderer getJoglRenderer(String idRenderer) throws GkException {
if(CollectionUtils.isNotEmpty(renderers)){
for (ICoreJoglRenderer renderer : renderers) {
if(StringUtils.equals(renderer.getCode(), idRenderer)){
return renderer;
}
}
}
throw new GkFunctionalException("Renderer '"+idRenderer+"' does not exist.");
}
/** (inheritDoc)
* @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
*/
@Override
public void propertyChange(PropertyChangeEvent event) {
// Property change listener
if(canvasCapabilities != null){
canvasCapabilities.setNumSamples(JoglViewerPreference.getInstance().getMultisampling());
}
setBackgroundColor(JoglViewerPreference.getInstance().getBackgroundColor());
}
public void addCamera(AbstractCamera camera) throws GkException{
getSupportedCamera().add(camera);
}
public AbstractCamera getActiveCamera() throws GkException {
return camera;
}
public boolean isEnabled() {
return enabled;
}
public void setEnabled(boolean enabled) {
this.enabled = enabled;
}
/**
* @return the camera
*/
protected AbstractCamera getCamera() {
return camera;
}
/**
* @param camera the camera to set
*/
protected void setCamera(AbstractCamera camera) {
this.camera = camera;
}
/**
* @return the canvas
*/
protected GokoJoglCanvas getCanvas() {
return canvas;
}
public int getWidth() {
return width;
}
public void setWidth(int width) {
this.width = width;
}
public void setLayerVisible(int layerId, boolean visible){
this.layerVisibility.put(layerId, visible);
}
public void zoomToFit() throws GkException {
BoundingTuple6b contentBounds = getContentBounds();
if(contentBounds != null){
getCamera().zoomToFit(contentBounds);
}
}
public BoundingTuple6b getContentBounds(){
BoundingTuple6b result = null;
if(CollectionUtils.isNotEmpty(renderers)){
for (ICoreJoglRenderer joglRenderer : renderers) {
BoundingTuple6b bound = joglRenderer.getBounds();
if(bound != null){
if(result == null){
result = new BoundingTuple6b(bound.getMin(), bound.getMax());
}else{
result.add(bound);
}
}
}
}
return result;
}
/**
* @return the backgroundColor
*/
public Color3f getBackgroundColor() {
return backgroundColor;
}
/**
* @param backgroundColor the backgroundColor to set
*/
public void setBackgroundColor(Color3f backgroundColor) {
this.backgroundColor = backgroundColor;
this.updateBackgroundColor = true;
}
/**
* @return the mouseCanvasPosition
*/
public Point2i getMouseCanvasPosition() {
return mouseCanvasPosition;
}
/**
* @param mouseCanvasPosition the mouseCanvasPosition to set
*/
public void setMouseCanvasPosition(Point2i mouseCanvasPosition) {
this.mouseCanvasPosition = mouseCanvasPosition;
}
/**
* @return the displayPositionOverlay
*/
public boolean isDisplayPositionOverlay() {
return displayPositionOverlay;
}
/**
* @param displayPositionOverlay the displayPositionOverlay to set
*/
public void setDisplayPositionOverlay(boolean displayPositionOverlay) {
this.displayPositionOverlay = displayPositionOverlay;
if(camera.getPositionOverlay() != null){
camera.getPositionOverlay().setOverlayEnabled(displayPositionOverlay);
}
}
}