org.simantics.proconf.processeditor/src/org/simantics/processeditor/actions/SelectSplitPointAction.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007- VTT Technical Research Centre of Finland.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package org.simantics.processeditor.actions;\r
  12 \r
  13 import java.awt.event.MouseEvent;\r
  14 import java.util.List;\r
  15 \r
  16 import javax.vecmath.Point3d;\r
  17 import javax.vecmath.Vector3d;\r
  18 \r
  19 import org.simantics.db.Graph;\r
  20 import org.simantics.db.Resource;\r
  21 import org.simantics.proconf.g3d.actions.InteractiveAction;\r
  22 import org.simantics.proconf.g3d.base.MathTools;\r
  23 import org.simantics.proconf.g3d.base.ThreeDimensionalEditorBase;\r
  24 import org.simantics.proconf.g3d.base.VecmathJmeTools;\r
  25 \r
  26 import com.jme.math.Vector3f;\r
  27 import com.jme.renderer.ColorRGBA;\r
  28 import com.jme.scene.Line;\r
  29 import com.jme.scene.state.MaterialState;\r
  30 import com.jme.util.geom.BufferUtils;\r
  31 \r
  32 public class SelectSplitPointAction extends InteractiveAction {\r
  33         \r
  34         Point3d start;\r
  35         Point3d end;\r
  36         Vector3d dir;\r
  37         \r
  38     Line line;\r
  39     \r
  40     boolean activated;\r
  41     \r
  42     SplitPointListener listener;\r
  43     \r
  44     public SelectSplitPointAction(ThreeDimensionalEditorBase parent, SplitPointListener listener) {\r
  45                 super(parent);\r
  46                 this.listener = listener;\r
  47         }\r
  48     \r
  49     \r
  50     public void setSplit(Point3d start, Point3d end) {\r
  51         this.start = start;\r
  52         this.end = end;\r
  53         dir = new Vector3d(end);\r
  54                 dir.sub(start);\r
  55     }\r
  56         \r
  57         \r
  58         @Override\r
  59         public void activate() {\r
  60                 if (start == null) throw new RuntimeException("Starting split action without information about range");\r
  61                 \r
  62 //              start = new Point3d();\r
  63 //              end = new Point3d();\r
  64 //              PipingTools.getStraightPipeEnds(PipingTools.getPipeline(straight),\r
  65 //                              straight, startStart, startEnd);\r
  66     \r
  67         line = new Line();\r
  68         MaterialState ms = parent.getRenderingComponent().getDisplaySystem().getRenderer().createMaterialState();\r
  69         ms.setEmissive(new ColorRGBA(1.f,1.f,1.f,1.f));\r
  70         line.setRenderState(ms);\r
  71         parent.getRenderingComponent().getNoShadowRoot().attachChild(line);\r
  72         activated = true;\r
  73                 \r
  74         }\r
  75         \r
  76         @Override\r
  77         public boolean usable(Graph graph, List<Resource> resources) {\r
  78 //              if (resources.size() != 1)\r
  79 //                      return false;\r
  80 //              IEntity entity = EntityFactory.create(graph, resources.get(0));\r
  81 //              if (entity.isInstanceOf(ProcessResource.plant3Dresource.VariableLengthInlineComponent)) {\r
  82 //                      return true;\r
  83 //              }\r
  84                 // This is not a standalone action\r
  85                 return false;\r
  86         }\r
  87         \r
  88         @Override\r
  89         public void deactivate() {\r
  90                 line.removeFromParent();\r
  91                 activated = false;\r
  92                 start = null;\r
  93                 end = null;\r
  94                 dir = null;\r
  95                 \r
  96         }\r
  97         \r
  98         public boolean active() {\r
  99                 return activated;\r
 100         }\r
 101         \r
 102         @Override\r
 103         public void update() {\r
 104                 if (!activated) {\r
 105                         return;\r
 106                 }\r
 107                 if (input.mouseClicked() && input.clickButton() == MouseEvent.BUTTON3) {\r
 108                         listener.setSplitPoint(null);\r
 109                         activated = false;\r
 110                         return;\r
 111                 }\r
 112                 Vector3d o = new Vector3d();\r
 113                 Vector3d d = new Vector3d();\r
 114                 parent.createPickRay(o, d);\r
 115 \r
 116                 Vector3d normal = parent.getCamera().getUnNormalizedHeading();\r
 117                 normal.normalize();\r
 118                 normal.negate();\r
 119                 // reference point for selection line\r
 120                 Vector3d point = new Vector3d(start);\r
 121                 Vector3d currentPoint = new Vector3d();\r
 122                 MathTools.intersectStraightPlane(o, d, point, normal, currentPoint);\r
 123                 Point3d startPoint = new Point3d();\r
 124                 double mu[] = new double[2];\r
 125                 MathTools.intersectStraightStraight(start, dir, o, d, startPoint,\r
 126                                 new Point3d(), mu);\r
 127                 // startPoint of branch must be between pipe ends\r
 128                 // TODO : take account sizes of elbows (or other components)\r
 129                 if (mu[0] < 0.0)\r
 130                         startPoint.set(start);\r
 131                 else if (mu[0] > 1.0)\r
 132                         startPoint.set(end);\r
 133 \r
 134                 Vector3f verts[] = new Vector3f[2];\r
 135                 verts[0] = VecmathJmeTools.get(startPoint);\r
 136                 verts[1] = VecmathJmeTools.get(currentPoint);\r
 137                 line.reconstruct(BufferUtils.createFloatBuffer(verts), null, null, null);\r
 138 \r
 139                 parent.setViewChanged(true);\r
 140                 if (input.mouseClicked() && input.clickButton() == MouseEvent.BUTTON1) {\r
 141                         listener.setSplitPoint(new Point3d(startPoint));\r
 142                 }\r
 143                 \r
 144         }\r
 145 }\r