diff options
author | Harvey Harrison <[email protected]> | 2015-04-19 21:02:06 -0700 |
---|---|---|
committer | Harvey Harrison <[email protected]> | 2015-04-19 21:02:06 -0700 |
commit | 7a2e20caac9db6f789a7b3fab344b9758af45335 (patch) | |
tree | b5236ff2570178de356eab569225108948eb4d30 /src/javax/media/j3d/PolygonAttributesRetained.java | |
parent | f76ce302c4bb2a9f03bbee571ec5d05c29633023 (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.java | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/src/javax/media/j3d/PolygonAttributesRetained.java b/src/javax/media/j3d/PolygonAttributesRetained.java new file mode 100644 index 0000000..53f25e1 --- /dev/null +++ b/src/javax/media/j3d/PolygonAttributesRetained.java @@ -0,0 +1,360 @@ +/* + * 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); + } + } + +} |