WIP #12: track and render internal hallways/connections

src/com/brindyblitz/artemis/engconsole/ui/damcon/Damcon.java

@@ -15,6 +15,7 @@
 import com.sun.j3d.utils.universe.ViewingPlatform;
 import net.dhleong.acl.util.GridCoord;
 import net.dhleong.acl.vesseldata.VesselNode;
+import net.dhleong.acl.vesseldata.VesselNodeConnection;
 
 import javax.media.j3d.*;
 import javax.swing.*;
@@ -59,6 +60,7 @@ public class Damcon implements MouseListener, MouseMotionListener, MouseWheelLis
     private static final Random random = new Random();
 
     private Map<GridCoord, InternalNode> internalNodes = new HashMap<>();
+    private Set<InternalHallway> internalHallways = new HashSet<>();
 
     public Damcon(EngineeringConsoleManager engineeringConsoleManager) {
         this.engineeringConsoleManager = engineeringConsoleManager;
@@ -78,6 +80,7 @@ public Damcon(EngineeringConsoleManager engineeringConsoleManager) {
         }
 
         loadInternalNodes();
+        loadCorridors();
 
         addMouseListeners();
         setCameraPresets();
@@ -132,6 +135,18 @@ public void onChange() {
         });
     }
 
+    private void loadCorridors() {
+        BranchGroup corridor_bg = new BranchGroup();
+
+        for (VesselNodeConnection vnc : this.engineeringConsoleManager.getGridConnections()) {
+            InternalHallway ih = new InternalHallway(vnc);
+            internalHallways.add(ih);
+            corridor_bg.addChild(ih.getShape());
+        }
+
+        this.universe.addBranchGraph(corridor_bg);
+    }
+
     private void createUniverseAndScene() {
         // This is an attempt to give the Viewer a canvas so it doesn't create its own window (it doesn't render properly)
         GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();

src/com/brindyblitz/artemis/engconsole/ui/damcon/InternalHallway.java

@@ -0,0 +1,85 @@
+package com.brindyblitz.artemis.engconsole.ui.damcon;
+
+import com.sun.j3d.utils.geometry.ColorCube;
+import com.sun.j3d.utils.geometry.Sphere;
+import net.dhleong.acl.vesseldata.VesselNode;
+import net.dhleong.acl.vesseldata.VesselNodeConnection;
+import sun.reflect.generics.reflectiveObjects.NotImplementedException;
+
+import javax.media.j3d.*;
+import javax.vecmath.Color3f;
+import javax.vecmath.Point3f;
+import javax.vecmath.Vector3d;
+import javax.vecmath.Vector3f;
+import java.awt.*;
+
+public class InternalHallway {
+    private static final float RADIUS = 0.05f, SCALE = 0.0034f; // TODO: unify scale in Damcon.java or make these subclasses with access to that
+
+    private VesselNodeConnection vesselNodeConnection;
+    private LineArray lineArray;
+    private Shape3D shape;
+
+    public InternalHallway(VesselNodeConnection vessel_node_connection) {
+        this.vesselNodeConnection = vessel_node_connection;
+
+        VesselNode vn1 = this.vesselNodeConnection.getNode1(),
+                   vn2 = this.vesselNodeConnection.getNode2();
+
+        Point3f p1 = new Point3f(-vn1.getX(), vn1.getY(), vn1.getZ());
+        Point3f p2 = new Point3f(-vn2.getX(), vn2.getY(), vn2.getZ());
+        p1.scale(SCALE);
+        p2.scale(SCALE);
+
+        lineArray = new LineArray(2, LineArray.COORDINATES);
+        lineArray.setCoordinate(0, p1);
+        lineArray.setCoordinate(1, p2);
+        lineArray.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
+
+        this.shape = new Shape3D(lineArray, appearanceFromHealthPercentage(1f));
+    }
+
+    public void updateHealth(float pct) {
+        // lineArray.setAppearance(appearanceFromHealthPercentage(pct));
+        // TODO: implement
+    }
+
+    private static Appearance appearanceFromHealthPercentage(float pct) {
+        Appearance appearance = new Appearance();
+
+        // Set transparency
+        TransparencyAttributes transparency =  new TransparencyAttributes(TransparencyAttributes.NICEST, .1f);
+        appearance.setTransparencyAttributes(transparency);
+
+        // Enable automatic anti-aliasing
+        LineAttributes line_attributes = new LineAttributes();
+        line_attributes.setLineAntialiasingEnable(true);
+        line_attributes.setLinePattern(LineAttributes.PATTERN_SOLID);
+        appearance.setLineAttributes(line_attributes);
+
+        // Set color
+        Color awtColor = Color.getHSBColor(getEmptyHue() - (getEmptyHue() - getFullHue()) * pct, 1, 1);
+        Color3f color = new Color3f(awtColor);
+        ColoringAttributes coloring_attributes = new ColoringAttributes();
+        coloring_attributes.setColor(color);
+        appearance.setColoringAttributes(coloring_attributes);
+
+        LineArray la = new LineArray(2, LineArray.COORDINATES);
+        la.setCoordinate(0, new Point3f(0f, 0f, 0f));
+        la.setCoordinate(1, new Point3f(1f, 0f, 0f));
+        return appearance;
+    }
+
+    private static float getFullHue() {
+        return 120f / 360f;
+    }
+
+    private static float getEmptyHue() {
+        return 0f;
+    }
+    // TODO: this color stuff is duplicated in SystemHealthSlider.java, fix it!
+
+    public Shape3D getShape() {
+        return this.shape;
+    }
+}