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authorHarvey Harrison <[email protected]>2015-04-19 21:02:06 -0700
committerHarvey Harrison <[email protected]>2015-04-19 21:02:06 -0700
commit7a2e20caac9db6f789a7b3fab344b9758af45335 (patch)
treeb5236ff2570178de356eab569225108948eb4d30 /src/javax/media/j3d/PolygonAttributesRetained.java
parentf76ce302c4bb2a9f03bbee571ec5d05c29633023 (diff)
j3dcore: flatten the directory structure a bit
Signed-off-by: Harvey Harrison <[email protected]>
Diffstat (limited to 'src/javax/media/j3d/PolygonAttributesRetained.java')
-rw-r--r--src/javax/media/j3d/PolygonAttributesRetained.java360
1 files changed, 360 insertions, 0 deletions
diff --git a/src/javax/media/j3d/PolygonAttributesRetained.java b/src/javax/media/j3d/PolygonAttributesRetained.java
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+/*
+ * Copyright 1998-2008 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package javax.media.j3d;
+
+import java.util.ArrayList;
+
+/**
+ * The PolygonAttributes object defines all rendering state that can be set
+ * as a component object of a Shape3D node.
+ */
+class PolygonAttributesRetained extends NodeComponentRetained {
+ // A list of pre-defined bits to indicate which component
+ // in this LineAttributesRetained object changed.
+ static final int POLYGON_MODE_CHANGED = 0x01;
+ static final int POLYGON_CULL_CHANGED = 0x02;
+ static final int POLYGON_OFFSET_CHANGED = 0x04;
+ static final int POLYGON_BACKFACENORMALFLIP_CHANGED = 0x08;
+ static final int POLYGON_OFFSETFACTOR_CHANGED = 0x10;
+
+ // Polygon rasterization mode (point, line, fill)
+ int polygonMode = PolygonAttributes.POLYGON_FILL;
+
+ // Face culling mode
+ int cullFace = PolygonAttributes.CULL_BACK;
+
+ // back face normal flip flag
+ boolean backFaceNormalFlip = false;
+
+ // constant polygon offset
+ float polygonOffset;
+
+ // polygon offset factor
+ float polygonOffsetFactor;
+
+ /**
+ * Sets the face culling for this
+ * appearance component object,
+ * @param cullFace the face to be culled, one of:
+ * CULL_NONE, CULL_FRONT, or CULL_BACK
+ */
+ final void initCullFace(int cullFace) {
+ this.cullFace = cullFace;
+ }
+
+ /**
+ * Sets the face culling for this
+ * appearance component object and sends a message notifying
+ * the interested structures of the change.
+ * @param cullFace the face to be culled, one of:
+ * CULL_NONE, CULL_FRONT, or CULL_BACK
+ */
+ final void setCullFace(int cullFace) {
+ initCullFace(cullFace);
+ sendMessage(POLYGON_CULL_CHANGED, new Integer(cullFace));
+ }
+
+ /**
+ * Gets the face culling for this
+ * appearance component object.
+ * @return the face to be culled
+ */
+ final int getCullFace() {
+ return cullFace;
+ }
+
+ /**
+ * Sets the back face normal flip flag to the specified value
+ * This flag indicates whether vertex normals of back facing polygons
+ * should be flipped (negated) prior to lighting. When this flag
+ * is set to true and back face culling is disabled, polygons are
+ * rendered as if the polygon had two sides with opposing normals.
+ * This feature is disabled by default
+ * @param backFaceNormalFlip the back face normal flip flag
+ */
+ final void initBackFaceNormalFlip(boolean backFaceNormalFlip) {
+ this.backFaceNormalFlip = backFaceNormalFlip;
+ }
+
+ /**
+ * Sets the back face normal flip flag to the specified value
+ * and sends a message notifying
+ * the interested structures of the change.
+ * This flag indicates whether vertex normals of back facing polygons
+ * should be flipped (negated) prior to lighting. When this flag
+ * is set to true and back face culling is disabled, polygons are
+ * rendered as if the polygon had two sides with opposing normals.
+ * This feature is disabled by default
+ * @param backFaceNormalFlip the back face normal flip flag
+ */
+ final void setBackFaceNormalFlip(boolean backFaceNormalFlip) {
+ initBackFaceNormalFlip(backFaceNormalFlip);
+ sendMessage(POLYGON_BACKFACENORMALFLIP_CHANGED,
+ (backFaceNormalFlip ? Boolean.TRUE: Boolean.FALSE));
+ }
+
+ /**
+ * Gets the back face normal flip flag.
+ * @return the back face normal flip flag
+ */
+ final boolean getBackFaceNormalFlip() {
+ return backFaceNormalFlip;
+ }
+
+ /**
+ * Sets the polygon rasterization mode for this
+ * appearance component object.
+ * @param polygonMode the polygon rasterization mode to be used; one of
+ * POLYGON_FILL, POLYGON_LINE, or POLYGON_POINT
+ */
+ final void initPolygonMode(int polygonMode) {
+ this.polygonMode = polygonMode;
+ }
+
+ /**
+ * Sets the polygon rasterization mode for this
+ * appearance component object and sends a message notifying
+ * the interested structures of the change.
+ * @param polygonMode the polygon rasterization mode to be used; one of
+ * POLYGON_FILL, POLYGON_LINE, or POLYGON_POINT
+ */
+ final void setPolygonMode(int polygonMode) {
+ initPolygonMode(polygonMode);
+ sendMessage(POLYGON_MODE_CHANGED, new Integer(polygonMode));
+ }
+
+ /**
+ * Gets the polygon rasterization mode for this
+ * appearance component object.
+ * @return polygonMode the polygon rasterization mode
+ */
+ final int getPolygonMode() {
+ return polygonMode;
+ }
+
+ /**
+ * Sets the polygon offset to the specified value and sends a
+ * message notifying the interested structures of the change.
+ * This screen space offset is added to the final, device
+ * coordinate Z value of polygon primitives.
+ * @param polygonOffset the polygon offset
+ */
+ final void initPolygonOffset(float polygonOffset) {
+ this.polygonOffset = polygonOffset;
+ }
+
+ /**
+ * Sets the polygon offset to the specified value and sends a
+ * message notifying the interested structures of the change.
+ * This screen space offset is added to the final, device
+ * coordinate Z value of polygon primitives.
+ * @param polygonOffset the polygon offset
+ */
+ final void setPolygonOffset(float polygonOffset) {
+ initPolygonOffset(polygonOffset);
+ sendMessage(POLYGON_OFFSET_CHANGED, new Float(polygonOffset));
+ }
+
+
+ /**
+ * Gets the polygon offset.
+ * @return polygonOffset the polygon offset
+ */
+ final float getPolygonOffset() {
+ return polygonOffset;
+ }
+
+
+ /**
+ * Sets the polygon offset factor to the specified value and sends a
+ * message notifying the interested structures of the change.
+ * This factor is multiplied by the slope of the polygon, and
+ * then added to the final, device coordinate Z value of polygon
+ * primitives.
+ * @param polygonOffsetFactor the polygon offset factor
+ */
+ final void initPolygonOffsetFactor(float polygonOffsetFactor) {
+ this.polygonOffsetFactor = polygonOffsetFactor;
+ }
+
+ /**
+ * Sets the polygon offset factor to the specified value and sends a
+ * message notifying the interested structures of the change.
+ * This factor is multiplied by the slope of the polygon, and
+ * then added to the final, device coordinate Z value of polygon
+ * primitives.
+ * @param polygonOffsetFactor the polygon offset
+ */
+ final void setPolygonOffsetFactor(float polygonOffsetFactor) {
+ initPolygonOffsetFactor(polygonOffsetFactor);
+ sendMessage(POLYGON_OFFSETFACTOR_CHANGED,
+ new Float(polygonOffsetFactor));
+ }
+
+
+ /**
+ * Gets the polygon offset factor.
+ * @return polygonOffset the polygon offset factor
+ */
+ final float getPolygonOffsetFactor() {
+ return polygonOffsetFactor;
+ }
+
+ /**
+ * Creates and initializes a mirror object, point the mirror object
+ * to the retained object if the object is not editable
+ */
+ @Override
+ synchronized void createMirrorObject() {
+ if (mirror == null) {
+ // Check the capability bits and let the mirror object
+ // point to itself if is not editable
+ if (isStatic()) {
+ mirror = this;
+ } else {
+ PolygonAttributesRetained mirrorPa = new PolygonAttributesRetained();
+ mirrorPa.set(this);
+ mirrorPa.source = source;
+ mirror = mirrorPa;
+ }
+ } else {
+ ((PolygonAttributesRetained) mirror).set(this);
+ }
+ }
+
+
+ /**
+ * Updates the native context
+ */
+ void updateNative(Context ctx) {
+ Pipeline.getPipeline().updatePolygonAttributes(ctx,
+ polygonMode, cullFace, backFaceNormalFlip,
+ polygonOffset, polygonOffsetFactor);
+ }
+
+ /**
+ * Initializes a mirror object, point the mirror object to the retained
+ * object if the object is not editable
+ */
+ @Override
+ synchronized void initMirrorObject() {
+ ((PolygonAttributesRetained) mirror).set(this);
+ }
+
+ /**
+ * Update the "component" field of the mirror object with the
+ * given "value"
+ */
+ @Override
+ synchronized void updateMirrorObject(int component, Object value) {
+
+ PolygonAttributesRetained mirrorPa = (PolygonAttributesRetained) mirror;
+
+ if ((component & POLYGON_MODE_CHANGED) != 0) {
+ mirrorPa.polygonMode = ((Integer)value).intValue();
+ }
+ else if ((component & POLYGON_CULL_CHANGED) != 0) {
+ mirrorPa.cullFace = ((Integer)value).intValue();
+ }
+ else if ((component & POLYGON_BACKFACENORMALFLIP_CHANGED) != 0) {
+ mirrorPa.backFaceNormalFlip = ((Boolean)value).booleanValue();
+ }
+ else if ((component & POLYGON_OFFSET_CHANGED) != 0) {
+ mirrorPa.polygonOffset = ((Float)value).floatValue();
+ }
+ else if ((component & POLYGON_OFFSETFACTOR_CHANGED) != 0) {
+ mirrorPa.polygonOffsetFactor = ((Float) value).floatValue();
+ }
+ }
+
+
+ boolean equivalent(PolygonAttributesRetained pr) {
+ return ((pr != null) &&
+ (pr.cullFace == cullFace) &&
+ (pr.backFaceNormalFlip == backFaceNormalFlip) &&
+ (pr.polygonOffset == polygonOffset) &&
+ (pr.polygonMode == polygonMode) &&
+ (pr.polygonOffsetFactor == polygonOffsetFactor));
+ }
+
+ protected void set(PolygonAttributesRetained pr) {
+ super.set(pr);
+ cullFace = pr.cullFace;
+ backFaceNormalFlip = pr.backFaceNormalFlip;
+ polygonMode = pr.polygonMode;
+ polygonOffset = pr.polygonOffset;
+ polygonOffsetFactor = pr.polygonOffsetFactor;
+ }
+
+ final void sendMessage(int attrMask, Object attr) {
+ ArrayList<VirtualUniverse> univList = new ArrayList<VirtualUniverse>();
+ ArrayList<ArrayList<GeometryAtom>> gaList = Shape3DRetained.getGeomAtomsList(mirror.users, univList);
+
+ // Send to rendering attribute structure, regardless of
+ // whether there are users or not (alternate appearance case ..)
+ J3dMessage createMessage = new J3dMessage();
+ createMessage.threads = J3dThread.UPDATE_RENDERING_ATTRIBUTES;
+ createMessage.type = J3dMessage.POLYGONATTRIBUTES_CHANGED;
+ createMessage.universe = null;
+ createMessage.args[0] = this;
+ createMessage.args[1]= new Integer(attrMask);
+ createMessage.args[2] = attr;
+ createMessage.args[3] = new Integer(changedFrequent);
+ VirtualUniverse.mc.processMessage(createMessage);
+
+ // System.err.println("univList.size is " + univList.size());
+ for(int i=0; i<univList.size(); i++) {
+ createMessage = new J3dMessage();
+ createMessage.threads = J3dThread.UPDATE_RENDER;
+ createMessage.type = J3dMessage.POLYGONATTRIBUTES_CHANGED;
+
+ createMessage.universe = univList.get(i);
+ createMessage.args[0] = this;
+ createMessage.args[1]= new Integer(attrMask);
+ createMessage.args[2] = attr;
+
+ ArrayList<GeometryAtom> gL = gaList.get(i);
+ GeometryAtom[] gaArr = new GeometryAtom[gL.size()];
+ gL.toArray(gaArr);
+ createMessage.args[3] = gaArr;
+
+ VirtualUniverse.mc.processMessage(createMessage);
+ }
+
+
+ }
+ @Override
+ void handleFrequencyChange(int bit) {
+ if (bit == PolygonAttributes.ALLOW_CULL_FACE_WRITE ||
+ bit == PolygonAttributes.ALLOW_NORMAL_FLIP_WRITE||
+ bit == PolygonAttributes.ALLOW_MODE_WRITE ||
+ bit == PolygonAttributes.ALLOW_OFFSET_WRITE) {
+ setFrequencyChangeMask(bit, 0x1);
+ }
+ }
+
+}