diff options
author | Harvey Harrison <[email protected]> | 2015-04-19 21:02:06 -0700 |
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committer | Harvey Harrison <[email protected]> | 2015-04-19 21:02:06 -0700 |
commit | 7a2e20caac9db6f789a7b3fab344b9758af45335 (patch) | |
tree | b5236ff2570178de356eab569225108948eb4d30 /src/javax/media/j3d/SpotLightRetained.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/SpotLightRetained.java')
-rw-r--r-- | src/javax/media/j3d/SpotLightRetained.java | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/src/javax/media/j3d/SpotLightRetained.java b/src/javax/media/j3d/SpotLightRetained.java new file mode 100644 index 0000000..f7fef46 --- /dev/null +++ b/src/javax/media/j3d/SpotLightRetained.java @@ -0,0 +1,322 @@ +/* + * Copyright 1996-2008 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 javax.vecmath.Vector3f; + +/** + * A local spot light source object. + */ + +class SpotLightRetained extends PointLightRetained { + static final int DIRECTION_CHANGED = LAST_POINTLIGHT_DEFINED_BIT << 1; + static final int ANGLE_CHANGED = LAST_POINTLIGHT_DEFINED_BIT << 2; + static final int CONCENTRATION_CHANGED = LAST_POINTLIGHT_DEFINED_BIT << 3; + + /** + * The spot light's direction. + */ + Vector3f direction = new Vector3f(0.0f, 0.0f, -1.0f); + + // The transformed direction of this light + Vector3f xformDirection = new Vector3f(0.0f, 0.0f, -1.0f); + + /** + * The spot light's spread angle. + */ + float spreadAngle = (float)Math.PI; + + /** + * The spot light's concentration. + */ + float concentration = 0.0f; + + + SpotLightRetained() { + this.nodeType = NodeRetained.SPOTLIGHT; + lightType = 4; + } + + /** + * Initializes the spot light's spread angle. + * @param spreadAngle the light's spread angle + */ + void initSpreadAngle(float spreadAngle) { + if (spreadAngle < 0.0) { + this.spreadAngle = 0.0f; + } + else if (spreadAngle > (float) Math.PI * 0.5f) { + this.spreadAngle = (float)Math.PI; + } + else { + this.spreadAngle = spreadAngle; + } + } + + + @Override + void setLive(SetLiveState s) { + super.doSetLive(s); + J3dMessage createMessage = super.initMessage(12); + Object[] objs = (Object[])createMessage.args[4]; + objs[9] = new Float(spreadAngle); + objs[10] = new Float(concentration) ; + objs[11] = new Vector3f(direction); + VirtualUniverse.mc.processMessage(createMessage); + } + + /** + * Sets the spot light's spread angle. + * @param spreadAngle the light's spread angle + */ + void setSpreadAngle(float spreadAngle) { + initSpreadAngle(spreadAngle); + sendMessage(ANGLE_CHANGED, new Float(this.spreadAngle)); + } + + /** + * Returns the spot light's spread angle. + * @return the spread angle of the light + */ + float getSpreadAngle() { + return this.spreadAngle; + } + + /** + * Initializes the spot light's concentration. + * @param concentration the concentration of the light + */ + void initConcentration(float concentration) { + this.concentration = concentration; + } + + /** + * Sets the spot light's concentration. + * @param concentration the concentration of the light + */ + void setConcentration(float concentration) { + initConcentration(concentration); + sendMessage(CONCENTRATION_CHANGED, new Float(concentration)); + } + + /** + * Retrieves the spot light's concentration. + * @return the concentration of the light + */ + float getConcentration() { + return this.concentration; + } + + /** + * Initializes the spot light's direction from the vector provided. + * @param direction the new direction of the light + */ + void initDirection(Vector3f direction) { + this.direction.set(direction); + + if (staticTransform != null) { + staticTransform.transform.transform(this.direction, this.direction); + } + } + + /** + * Sets the spot light's direction from the vector provided. + * @param direction the new direction of the light + */ + void setDirection(Vector3f direction) { + initDirection(direction); + sendMessage(DIRECTION_CHANGED, new Vector3f(direction)); + } + + + /** + * Initializes this light's direction from the three values provided. + * @param x the new x direction + * @param y the new y direction + * @param z the new z direction + */ + void initDirection(float x, float y, float z) { + this.direction.x = x; + this.direction.y = y; + this.direction.z = z; + if (staticTransform != null) { + staticTransform.transform.transform(this.direction, this.direction); + } + } + + /** + * Sets this light's direction from the three values provided. + * @param x the new x direction + * @param y the new y direction + * @param z the new z direction + */ + void setDirection(float x, float y, float z) { + setDirection(new Vector3f(x, y, z)); + } + + + /** + * Retrieves this light's direction and places it in the + * vector provided. + * @param direction the variable to receive the direction vector + */ + void getDirection(Vector3f direction) { + direction.set(this.direction); + if (staticTransform != null) { + Transform3D invTransform = staticTransform.getInvTransform(); + invTransform.transform(direction, direction); + } + } + + /** + * This update function, and its native counterpart, + * updates a spot light. This includes its color, attenuation, + * transformed position, spread angle, concentration, + * and its transformed position. + */ + @Override + void update(Context ctx, int lightSlot, double scale) { + validateAttenuationInEc(scale); + Pipeline.getPipeline().updateSpotLight(ctx, + lightSlot, color.x, color.y, color.z, + attenuation.x, linearAttenuationInEc, + quadraticAttenuationInEc, + xformPosition.x, xformPosition.y, + xformPosition.z, spreadAngle, concentration, + xformDirection.x, xformDirection.y, + xformDirection.z); + } + + + /** + * This update function, and its native counterpart, + * updates a directional light. This includes its + * color and its transformed direction. + */ + @Override + // Note : if you add any more fields here , you need to update + // updateLight() in RenderingEnvironmentStructure + void updateMirrorObject(Object[] objs) { + + int component = ((Integer)objs[1]).intValue(); + Transform3D trans; + int i; + int numLgts = ((Integer)objs[2]).intValue(); + LightRetained[] mLgts = (LightRetained[]) objs[3]; + if ((component & DIRECTION_CHANGED) != 0) { + for (i = 0; i < numLgts; i++) { + if (mLgts[i].nodeType == NodeRetained.SPOTLIGHT) { + SpotLightRetained ml = (SpotLightRetained)mLgts[i]; + ml.direction = (Vector3f)objs[4]; + ml.getLastLocalToVworld().transform(ml.direction, + ml.xformDirection); + ml.xformDirection.normalize(); + } + } + } + else if ((component & ANGLE_CHANGED) != 0) { + for (i = 0; i < numLgts; i++) { + if (mLgts[i].nodeType == NodeRetained.SPOTLIGHT) { + SpotLightRetained ml = (SpotLightRetained)mLgts[i]; + ml.spreadAngle = ((Float)objs[4]).floatValue(); + } + } + + } + else if ((component & CONCENTRATION_CHANGED) != 0) { + + for (i = 0; i < numLgts; i++) { + if (mLgts[i].nodeType == NodeRetained.SPOTLIGHT) { + SpotLightRetained ml = (SpotLightRetained)mLgts[i]; + ml.concentration = ((Float)objs[4]).floatValue(); + } + } + } + else if ((component & INIT_MIRROR) != 0) { + for (i = 0; i < numLgts; i++) { + if (mLgts[i].nodeType == NodeRetained.SPOTLIGHT) { + SpotLightRetained ml = (SpotLightRetained)mLgts[i]; + ml.spreadAngle = ((Float)((Object[])objs[4])[9]).floatValue(); + ml.concentration = ((Float)((Object[])objs[4])[10]).floatValue(); + ml.direction = (Vector3f)((Object[])objs[4])[11]; + ml.getLastLocalToVworld().transform(ml.direction, + ml.xformDirection); + ml.xformDirection.normalize(); + } + } + } + + // call the parent's mirror object update routine + super.updateMirrorObject(objs); + } + + + // Clones only the retained side, internal use only + @Override + protected Object clone() { + SpotLightRetained sr = (SpotLightRetained)super.clone(); + sr.direction = new Vector3f(direction); + sr.xformDirection = new Vector3f(); + return sr; + } + + + + // Called on the mirror object + @Override + void updateTransformChange() { + super.updateTransformChange(); + + getLastLocalToVworld().transform(direction, xformDirection); + xformDirection.normalize(); + + } + + @Override + final void sendMessage(int attrMask, Object attr) { + J3dMessage createMessage = new J3dMessage(); + createMessage.threads = targetThreads; + createMessage.universe = universe; + createMessage.type = J3dMessage.LIGHT_CHANGED; + createMessage.args[0] = this; + createMessage.args[1]= new Integer(attrMask); + if (inSharedGroup) + createMessage.args[2] = new Integer(numMirrorLights); + else + createMessage.args[2] = new Integer(1); + createMessage.args[3] = mirrorLights.clone(); + createMessage.args[4] = attr; + VirtualUniverse.mc.processMessage(createMessage); + } + + + @Override + void mergeTransform(TransformGroupRetained xform) { + super.mergeTransform(xform); + xform.transform.transform(direction, direction); + } +} |