From 3c4c16e0a4ca3949a7a37a24607df7f89abfe7ea Mon Sep 17 00:00:00 2001
From: Normand Briere <nbriere@noware.ca>
Date: Mon, 22 Apr 2019 16:52:58 -0400
Subject: [PATCH] Refactoring phase 3

---
 CameraPane.java |  319 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 312 insertions(+), 7 deletions(-)

diff --git a/CameraPane.java b/CameraPane.java
index c4bdcc2..fc57173 100644
--- a/CameraPane.java
+++ b/CameraPane.java
@@ -149,8 +149,9 @@
         defaultcaps.setAccumBlueBits(16);
         defaultcaps.setAccumAlphaBits(16);
     }
+    
     static CameraPane theRenderer;
-
+    
     void SetAsGLRenderer(boolean b)
     {
         isRenderer = b;
@@ -236,9 +237,14 @@
             return this.ambientOcclusion;
     }
     
+    public boolean IsDebugSelection()
+    {
+            return DEBUG_SELECTION;
+    }
+    
     public boolean IsFrozen()
     {
-        boolean selectmode = this.DrawMode() == SELECTION || CameraPane.DEBUG_SELECTION;
+        boolean selectmode = this.DrawMode() == SELECTION || this.IsDebugSelection();
         
         return !selectmode && cameracount == 0; // != 0;
     }
@@ -259,9 +265,19 @@
             return lightCamera;
     }
     
+    public Camera ManipCamera()
+    {
+            return manipCamera;
+    }
+    
     public Camera RenderCamera()
     {
             return renderCamera;
+    }
+    
+    public Camera[] Cameras()
+    {
+            return cameras;
     }
     
     public void PushMaterial(Object3D obj, boolean selected)
@@ -408,7 +424,7 @@
         
         javax.media.opengl.GL gl = display.GetGL();
         
-        boolean selectmode = display.DrawMode() == display.SELECTION || CameraPane.DEBUG_SELECTION;
+        boolean selectmode = display.DrawMode() == display.SELECTION || display.IsDebugSelection();
         
         //System.out.println("p = " + pv + "; q = " + qv + "; r = " + rv);
         if (!selectmode) // display.drawMode != display.SELECTION) // && display.drawMode != display.SHADOW) // (attributes & FILL) != 0)
@@ -760,6 +776,291 @@
 ////        tris.postdraw(this);
     }
 
+    static Camera localcamera = new Camera();
+    static cVector from = new cVector();
+    static cVector to = new cVector();
+    
+        public void PrepOcclusion(BoundaryRep br, double[][] transform)
+        {
+                CameraPane cp = this;
+
+                Camera keep = cp.RenderCamera();
+                cp.renderCamera = localcamera;
+
+                if (br.trimmed)
+                {
+                    float[] colors = new float[br.positions.length / 3];
+
+                    int i3 = 0;
+                    for (int i = 0; i < br.positions.length / 3; i++, i3 += 3)
+                    {
+                        if (br.normals[i3] == 0 && br.normals[i3+1] == 0 && br.normals[i3+2] == 0)
+                            continue;
+
+                        from.set(br.positions[i3], br.positions[i3 + 1], br.positions[i3 + 2]);
+                        to.set(br.positions[i3] + br.normals[i3],
+                                br.positions[i3 + 1] + br.normals[i3 + 1],
+                                br.positions[i3 + 2] + br.normals[i3 + 2]);
+                        LA.xformPos(from, transform, from);
+                        LA.xformPos(to, transform, to); // RIGID ONLY
+                        localcamera.setAim(from, to);
+
+                        CameraPane.occlusionbuffer.display();
+
+                        if (CameraPane.DEBUG_OCCLUSION)
+                            cp.display(); // debug
+
+                        colors[i] = cp.vertexOcclusion.r;
+                        //colors[i3 + 1] = cp.vertexOcclusion.g;
+                        //colors[i3 + 2] = cp.vertexOcclusion.b;
+
+                        if ((i % 100) == 0 && i != 0)
+                        {
+                    CameraPane.theRenderer.setCursor(java.awt.Cursor.getPredefinedCursor(java.awt.Cursor.WAIT_CURSOR));
+                            //System.out.println("Color = " + cp.vertexOcclusion.r + ", " + cp.vertexOcclusion.g + ", " + cp.vertexOcclusion.b + "; " + (int)(100.0*i/(positions.length/3)) + "% done");
+                                System.out.println((int) (100.0 * i / (br.positions.length / 3)) + "% (" + i + " of " + (br.positions.length / 3) + ")");
+                        }
+                    }
+
+                    br.colors = colors;
+                }
+                else
+                {
+                    for (int i = 0; i < br.VertexCount(); i++)
+                    {
+                        Vertex v = br.GetVertex(i);
+
+                        if (v.norm == null || v.norm.x == 0 && v.norm.y == 0 && v.norm.z == 0)
+                            continue;
+
+                        from.set(v.x, v.y, v.z);
+                        to.set(v.x+v.norm.x, v.y+v.norm.y, v.z+v.norm.z);
+                        LA.xformPos(from, transform, from);
+                        LA.xformPos(to, transform, to); // RIGID ONLY
+                        localcamera.setAim(from, to);
+
+                        CameraPane.occlusionbuffer.display();
+
+                        if (CameraPane.DEBUG_OCCLUSION)
+                            cp.display(); // debug
+
+                        v.AO = cp.vertexOcclusion.r;
+
+                        if ((i % 100) == 0 && i != 0)
+                        {
+                    CameraPane.theRenderer.setCursor(java.awt.Cursor.getPredefinedCursor(java.awt.Cursor.WAIT_CURSOR));
+                            //System.out.println("Color = " + cp.vertexOcclusion.r + ", " + cp.vertexOcclusion.g + ", " + cp.vertexOcclusion.b + "; " + (int)(100.0*i/(positions.length/3)) + "% done");
+                                System.out.println((int) (100.0 * i / br.VertexCount()) + "% (" + i + " of " + br.VertexCount() + ")");
+                        }
+                    }
+                }
+
+                //System.out.println("done.");
+
+                cp.renderCamera = keep;
+        }
+        
+    void DrawPointFLow(PointFlow pointFlow, Object3D /*Composite*/ root, boolean selected, boolean blocked)
+    {
+            CameraPane display = this;
+        pointFlow.CreateHT();
+        
+        float r = display.modelParams0[0];
+        float g = display.modelParams0[1];
+        float b = display.modelParams0[2];
+        float opacity = display.modelParams5[1];        
+        
+        //final GL gl = GLU.getCurrentGL();
+        GL gl = display.GetGL(); // getGL();
+
+        int s = pointFlow.points.size();
+
+        boolean cf = gl.glIsEnabled(gl.GL_CULL_FACE);
+        gl.glEnable(gl.GL_CULL_FACE);
+        
+        for (int i=s; --i>=0;)
+        //for (int i=0; i<s; i++)
+        {
+            cVector v = pointFlow.points.get(i);
+            
+            double mindist = Double.MAX_VALUE;
+            
+            double size = pointFlow.minimumSize;
+            
+            double distancenext = 0;
+            
+            if (i > 0)
+            {
+                cVector w = pointFlow.points.get(i-1);
+                
+                double dist = w.distance(v);
+                
+                distancenext = dist;
+        
+                if (mindist > dist)
+                {
+                    mindist = dist;
+                    size = mindist*pointFlow.resizefactor;
+                }
+            }
+            
+            if (i < s-1)
+            {
+                cVector w = pointFlow.points.get(i+1);
+                
+                double dist = w.distance(v);
+                
+                if (mindist > dist)
+                {
+                    mindist = dist;
+                    size = mindist*pointFlow.resizefactor;
+                }
+            }
+            
+            if (size < pointFlow.minimumSize)
+                size = pointFlow.minimumSize;
+            if (size > pointFlow.maximumSize)
+                size = pointFlow.maximumSize;
+            
+            double tx = v.x;
+            double ty = v.y;
+            double tz = v.z;
+            
+        //    if (tx == 0 && ty == 0 && tz == 0)
+        //        continue;
+            
+        gl.glMatrixMode(gl.GL_TEXTURE);
+        gl.glPushMatrix();
+        pointFlow.texmat[12] = pointFlow.texmat[13] = pointFlow.texmat[14] = i;
+        
+        gl.glMultMatrixf(pointFlow.texmat, 0);
+        
+            gl.glMatrixMode(gl.GL_MODELVIEW);
+            gl.glPushMatrix();
+            
+            gl.glTranslated(tx,ty,tz);
+
+            gl.glScaled(size,size,size);
+            
+//            float cr = colorBuf.get(index4);
+//            float cg = colorBuf.get(index4+1);
+//            float cb = colorBuf.get(index4+2);
+//            float ca = colorBuf.get(index4+3);
+//            
+//            display.modelParams0[0] = r * cr;
+//            display.modelParams0[1] = g * cg;
+//            display.modelParams0[2] = b * cb;
+//            
+//            display.modelParams5[1] = opacity * ca;
+//            
+//        gl.glProgramEnvParameter4fvARB(gl.GL_FRAGMENT_PROGRAM_ARB, 0, display.modelParams0, 0);
+//        gl.glProgramEnvParameter4fvARB(gl.GL_FRAGMENT_PROGRAM_ARB, 5, display.modelParams5, 0);
+//        
+//        RandomNode.globalseed = (int)sizeBuf.get(index3+2); // i;
+//        RandomNode.globalseed2 = RandomNode.globalseed;
+//        
+////            gl.glColor4f(cr,cg,cb,ca);
+//   //         gl.glScalef(1024/16,1024/16,1024/16);
+            pointFlow.geo.Draw/*Node*/(display,null,selected, blocked);
+            
+            gl.glPopMatrix();
+
+            double step = size/4; //
+            
+            if (i == 0 || size == 0 || distancenext > 8*size || distancenext < step)
+                continue;
+            
+            int nbsteps = (int)(distancenext/step);
+            
+            step = distancenext/nbsteps;
+            
+            cVector next = pointFlow.points.get(i-1);
+            
+            tmp.set(next);
+            tmp.sub(v);
+            tmp.normalize();
+            tmp.mul(step);
+            
+            // calculate next size
+            mindist = Double.MAX_VALUE;
+            
+            double nextsize = pointFlow.minimumSize;
+            
+            if (i > 1)
+            {
+                cVector w = pointFlow.points.get(i-2);
+                
+                double dist = w.distance(next);
+                
+                if (mindist > dist)
+                {
+                    mindist = dist;
+                    nextsize = mindist*pointFlow.resizefactor;
+                }
+            }
+            
+            double dist = v.distance(next);
+
+            if (mindist > dist)
+            {
+                mindist = dist;
+                nextsize = mindist*pointFlow.resizefactor;
+            }
+            
+            if (nextsize < pointFlow.minimumSize)
+                nextsize = pointFlow.minimumSize;
+            if (nextsize > pointFlow.maximumSize)
+                nextsize = pointFlow.maximumSize;
+            //
+            
+            double count = 0;
+            
+            while (distancenext > 0.000000001) // step
+            {
+                gl.glPushMatrix();
+
+                gl.glTranslated(tx + tmp.x*count, ty + tmp.y*count, tz + tmp.z*count);
+
+                double K = count/nbsteps;
+                
+                double intersize = K*nextsize + (1-K)*size;
+                
+                gl.glScaled(intersize,intersize,intersize);
+
+                pointFlow.geo.Draw/*Node*/(display,null,selected,blocked);
+            
+                count++;
+                
+                distancenext -= step;
+                
+                gl.glPopMatrix();
+            }
+            
+            if (count != nbsteps)
+                assert(count == nbsteps);
+            
+   //         gl.glScalef(16.0f/1024,16.0f/1024,16.0f/1024);
+            //gl.glTranslatef(-tx,-ty,-tz);
+            
+        gl.glMatrixMode(gl.GL_TEXTURE);
+        gl.glPopMatrix();
+        }
+
+        if (!cf)
+            gl.glDisable(gl.GL_CULL_FACE);
+        
+//        display.modelParams0[0] = r;
+//        display.modelParams0[1] = g;
+//        display.modelParams0[2] = b;
+//            
+//        display.modelParams5[1] = opacity;
+//            
+//        gl.glProgramEnvParameter4fvARB(gl.GL_FRAGMENT_PROGRAM_ARB, 0, display.modelParams0, 0);
+//        gl.glProgramEnvParameter4fvARB(gl.GL_FRAGMENT_PROGRAM_ARB, 5, display.modelParams5, 0);
+        
+        gl.glMatrixMode(gl.GL_MODELVIEW);
+    }
+    
     /// INTERFACE
     
     void SetColor(Object3D obj, Vertex p0)
@@ -10340,7 +10641,7 @@
         fragmentMode |= (lightslot - 64) << 2; // 1; // first bit is available for aniso
         //System.out.println("fragmentMode = " + fragmentMode);
 
-        if (DrawMode() == DEFAULT || DrawMode() == SELECTION || DEBUG_SELECTION)
+        if (DrawMode() == DEFAULT || DrawMode() == SELECTION || IsDebugSelection())
         {
             /*
             if (CULLFACE || (ambientOcclusion && OCCLUSION_CULLING))
@@ -10641,7 +10942,7 @@
             callist = gl.glGenLists(1);
         }
 
-        boolean selectmode = DrawMode() == SELECTION || CameraPane.DEBUG_SELECTION;
+        boolean selectmode = DrawMode() == SELECTION || IsDebugSelection();
         
         boolean active = !selectmode; // DrawMode() != SELECTION; // mouseDown;
         
@@ -13115,6 +13416,11 @@
     cVector tmp = new cVector();
     cVector tmp2 = new cVector();
     boolean isMoving;
+
+    public cVector TargetLookAt()
+    {
+            return targetLookAt;
+    }
 
     class PingThread extends Thread
     {
@@ -15966,7 +16272,6 @@
 
     class AntialiasBuffer implements GLEventListener
     {
-
         CameraPane parent = null;
 
         AntialiasBuffer(CameraPane p)
@@ -16359,7 +16664,7 @@
         }
     }
     
-    static void DrawPoints(CameraPane cpane)
+    static void DrawPoints(iCameraPane cpane)
     {
         for (int i=0; i<8; i++) // first and last are red
         {

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