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/*
* Copyright 1997-2008 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;
import javax.vecmath.Color3f;
/**
* The MaterialRetained object defines the appearance of an object under
* illumination.
*/
class MaterialRetained extends NodeComponentRetained {
// Initialize default values for all class variables
Color3f ambientColor = new Color3f(0.2f, 0.2f, 0.2f);
Color3f emissiveColor = new Color3f(0.0f, 0.0f, 0.0f);
Color3f diffuseColor = new Color3f(1.0f, 1.0f, 1.0f);
Color3f specularColor = new Color3f(1.0f, 1.0f, 1.0f);
float shininess = 64.0f;
int colorTarget = Material.DIFFUSE;
// Lighting enable switch for this material object
boolean lightingEnable = true;
// A list of pre-defined bits to indicate which component
// in this Material object changed.
static final int AMBIENT_COLOR_CHANGED = 0x01;
static final int EMISSIVE_COLOR_CHANGED = 0x02;
static final int DIFFUSE_COLOR_CHANGED = 0x04;
static final int SPECULAR_COLOR_CHANGED = 0x08;
static final int SHININESS_CHANGED = 0x10;
static final int ENABLE_CHANGED = 0x20;
static final int COLORTARGET_CHANGED = 0x40;
/**
* Constructs and initializes a new material object using the specified
* parameters.
* @param ambientColor the material's ambient color
* @param emissiveColor the material's emissive color
* @param diffuseColor the material's diffuse color when illuminated by a
* light
* @param specularColor the material's specular color when illuminated
* to generate a highlight
* @param shininess the material's shininess in the
* range [1.0, 128.0] with 1.0 being not shiny and 128.0 being very shiny
*/
void createMaterial(Color3f aColor,
Color3f eColor,
Color3f dColor,
Color3f sColor,
float shine)
{
ambientColor.set(aColor);
emissiveColor.set(eColor);
diffuseColor.set(dColor);
specularColor.set(sColor);
shininess = shine;
}
/** Initializes this material's ambient color
* This specifies how much ambient light is reflected by
* the surface. The ambient light color is the product of this
* color and the material diffuseColor.
* @param color the material's ambient color
*/
final void initAmbientColor(Color3f color) {
this.ambientColor.set(color);
}
/**
* Sets this material's ambient color and sends a message notifying
* the interested structures of the change.
* This specifies how much ambient light is reflected by
* the surface. The ambient light color is the product of this
* color and the material diffuseColor.
* @param color the material's ambient color
*/
final void setAmbientColor(Color3f color) {
initAmbientColor(color);
sendMessage(AMBIENT_COLOR_CHANGED, new Color3f(color));
}
/**
* Sets this material's ambient color
* @param r the new ambient color's red component
* @param g the new ambient color's green component
* @param b the new ambient color's blue component
*/
final void initAmbientColor(float r, float g, float b) {
this.ambientColor.set(r, g, b);
}
/**
* Sets this material's ambient color and sends a message notifying
* the interested structures of the change.
* @param r the new ambient color's red component
* @param g the new ambient color's green component
* @param b the new ambient color's blue component
*/
final void setAmbientColor(float r, float g, float b) {
initAmbientColor(r, g, b);
sendMessage(AMBIENT_COLOR_CHANGED, new Color3f(r, g, b));
}
/**
* Retrieves this material's ambient color.
* @return the material's ambient color
*/
final void getAmbientColor(Color3f color) {
color.set(this.ambientColor);
}
/**
* Sets this material's emissive color
* This is the color of light, if any, that the material emits.
* @param color the new emissive color
*/
final void initEmissiveColor(Color3f color) {
this.emissiveColor.set(color);
}
/**
* Sets this material's emissive color and sends a message notifying
* the interested structures of the change.
* This is the color of light, if any, that the material emits.
* @param color the new emissive color
*/
final void setEmissiveColor(Color3f color) {
initEmissiveColor(color);
sendMessage(EMISSIVE_COLOR_CHANGED, new Color3f(color));
}
/**
* Sets this material's emissive color.
* This is the color of light, if any, that the material emits.
* @param r the new emissive color's red component
* @param g the new emissive color's green component
* @param b the new emissive color's blue component
*/
final void initEmissiveColor(float r, float g, float b) {
this.emissiveColor.set(r, g, b);
}
/**
* Sets this material's emissive color and sends a message notifying
* the interested structures of the change.
* This is the color of light, if any, that the material emits.
* @param r the new emissive color's red component
* @param g the new emissive color's green component
* @param b the new emissive color's blue component
*/
final void setEmissiveColor(float r, float g, float b) {
initEmissiveColor(r, g, b);
sendMessage(EMISSIVE_COLOR_CHANGED, new Color3f(r, g, b));
}
/**
* Retrieves this material's emissive color and stores it in the
* argument provided.
* @param color the vector that will receive this material's emissive color
*/
final void getEmissiveColor(Color3f color) {
color.set(this.emissiveColor);
}
/**
* Sets this material's diffuse color.
* This is the color of the material when illuminated by a light source.
* @param color the new diffuse color
*/
final void initDiffuseColor(Color3f color) {
this.diffuseColor.set(color);
}
/**
* Sets this material's diffuse color and sends a message notifying
* the interested structures of the change.
* This is the color of the material when illuminated by a light source.
* @param color the new diffuse color
*/
final void setDiffuseColor(Color3f color) {
initDiffuseColor(color);
sendMessage(DIFFUSE_COLOR_CHANGED, new Color3f(color));
}
/**
* Sets this material's diffuse color.
* @param r the new diffuse color's red component
* @param g the new diffuse color's green component
* @param b the new diffuse color's blue component
*/
final void initDiffuseColor(float r, float g, float b) {
this.diffuseColor.set(r, g, b);
}
/**
* Sets this material's diffuse color and sends a message notifying
* the interested structures of the change.
* @param r the new diffuse color's red component
* @param g the new diffuse color's green component
* @param b the new diffuse color's blue component
*/
final void setDiffuseColor(float r, float g, float b) {
initDiffuseColor(r, g, b);
sendMessage(DIFFUSE_COLOR_CHANGED, new Color3f(r, g, b));
}
/**
* Sets this material's diffuse color plus alpha.
* This is the color of the material when illuminated by a light source.
* @param r the new diffuse color's red component
* @param g the new diffuse color's green component
* @param b the new diffuse color's blue component
* @param a the alpha component used to set transparency
*/
final void initDiffuseColor(float r, float g, float b, float a) {
this.diffuseColor.set(r, g, b);
}
/**
* Sets this material's diffuse color plus alpha and sends
* a message notifying the interested structures of the change.
* This is the color of the material when illuminated by a light source.
* @param r the new diffuse color's red component
* @param g the new diffuse color's green component
* @param b the new diffuse color's blue component
* @param a the alpha component used to set transparency
*/
final void setDiffuseColor(float r, float g, float b, float a) {
initDiffuseColor(r, g, b);
sendMessage(DIFFUSE_COLOR_CHANGED, new Color3f(r, g, b));
}
/**
* Retrieves this material's diffuse color.
* @param color the vector that will receive this material's diffuse color
*/
final void getDiffuseColor(Color3f color) {
color.set(this.diffuseColor);
}
/**
* Sets this material's specular color.
* This is the specular highlight color of the material.
* @param color the new specular color
*/
final void initSpecularColor(Color3f color) {
this.specularColor.set(color);
}
/**
* Sets this material's specular color and sends a message notifying
* the interested structures of the change.
* This is the specular highlight color of the material.
* @param color the new specular color
*/
final void setSpecularColor(Color3f color) {
initSpecularColor(color);
sendMessage(SPECULAR_COLOR_CHANGED, new Color3f(color));
}
/**
* Sets this material's specular color.
* This is the specular highlight color of the material.
* @param r the new specular color's red component
* @param g the new specular color's green component
* @param b the new specular color's blue component
*/
final void initSpecularColor(float r, float g, float b) {
this.specularColor.set(r, g, b);
}
/**
* Sets this material's specular color and sends a message notifying
* the interested structures of the change.
* This is the specular highlight color of the material.
* @param r the new specular color's red component
* @param g the new specular color's green component
* @param b the new specular color's blue component
*/
final void setSpecularColor(float r, float g, float b) {
initSpecularColor(r, g, b);
sendMessage(SPECULAR_COLOR_CHANGED, new Color3f(r, g, b));
}
/**
* Retrieves this material's specular color.
* @param color the vector that will receive this material's specular color
*/
final void getSpecularColor(Color3f color) {
color.set(this.specularColor);
}
/**
* Sets this material's shininess.
* This specifies a material specular exponent, or shininess.
* It takes a floating point number in the range [1.0, 128.0]
* with 1.0 being not shiny and 128.0 being very shiny.
* @param shininess the material's shininess
*/
final void initShininess(float shininess) {
// Clamp shininess value
if (shininess < 1.0f)
this.shininess = 1.0f;
else if (shininess > 128.0f)
this.shininess = 128.0f;
else
this.shininess = shininess;
}
/**
* Sets this material's shininess and sends a message notifying
* the interested structures of the change.
* This specifies a material specular exponent, or shininess.
* It takes a floating point number in the range [1.0, 128.0]
* with 1.0 being not shiny and 128.0 being very shiny.
* @param shininess the material's shininess
*/
final void setShininess(float shininess) {
initShininess(shininess);
sendMessage(SHININESS_CHANGED, new Float(this.shininess));
}
/**
* Retrieves this material's shininess.
* @return the material's shininess
*/
final float getShininess() {
return this.shininess;
}
/**
* Enables or disables lighting for this appearance component object.
* @param state true or false to enable or disable lighting
*/
void initLightingEnable(boolean state) {
lightingEnable = state;
}
/**
* Enables or disables lighting for this appearance component object
* and sends a message notifying
* the interested structures of the change.
* @param state true or false to enable or disable lighting
*/
void setLightingEnable(boolean state) {
initLightingEnable(state);
sendMessage(ENABLE_CHANGED,
(state ? Boolean.TRUE: Boolean.FALSE));
}
/**
* Retrieves the state of the lighting enable flag.
* @return true if lighting is enabled, false if lighting is disabled
*/
boolean getLightingEnable() {
return lightingEnable;
}
void initColorTarget(int colorTarget) {
this.colorTarget = colorTarget;
}
final void setColorTarget(int colorTarget) {
initColorTarget(colorTarget);
sendMessage(COLORTARGET_CHANGED, new Integer(colorTarget));
}
final int getColorTarget() {
return colorTarget;
}
@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 {
MaterialRetained mirrorMat = new MaterialRetained();
mirrorMat.set(this);
mirrorMat.source = source;
mirror = mirrorMat;
}
} else {
((MaterialRetained) mirror).set(this);
}
}
/**
* Updates the native context.
*/
void updateNative(Context ctx,
float red, float green, float blue, float alpha,
boolean enableLighting) {
Pipeline.getPipeline().updateMaterial(ctx, red, green, blue, alpha,
ambientColor.x, ambientColor.y, ambientColor.z,
emissiveColor.x, emissiveColor.y, emissiveColor.z,
diffuseColor.x, diffuseColor.y, diffuseColor.z,
specularColor.x, specularColor.y, specularColor.z,
shininess, colorTarget, enableLighting);
}
/**
* Creates a mirror object, point the mirror object to the retained
* object if the object is not editable
*/
@Override
synchronized void initMirrorObject() {
MaterialRetained mirrorMaterial = (MaterialRetained)mirror;
mirrorMaterial.set(this);
}
/**
* Update the "component" field of the mirror object with the
* given "value"
*/
@Override
synchronized void updateMirrorObject(int component, Object value) {
MaterialRetained mirrorMaterial = (MaterialRetained)mirror;
if ((component & AMBIENT_COLOR_CHANGED) != 0) {
mirrorMaterial.ambientColor = (Color3f)value;
}
else if ((component & EMISSIVE_COLOR_CHANGED) != 0) {
mirrorMaterial.emissiveColor = (Color3f)value;
}
else if ((component & DIFFUSE_COLOR_CHANGED) != 0) {
mirrorMaterial.diffuseColor = (Color3f)value;
}
else if ((component & SPECULAR_COLOR_CHANGED) != 0) {
mirrorMaterial.specularColor = (Color3f)value;
}
else if ((component & SHININESS_CHANGED) != 0) {
mirrorMaterial.shininess = ((Float)value).floatValue();
}
else if ((component & ENABLE_CHANGED) != 0) {
mirrorMaterial.lightingEnable = ((Boolean)value).booleanValue();
}
else if ((component & COLORTARGET_CHANGED) != 0) {
mirrorMaterial.colorTarget = ((Integer)value).intValue();
}
}
boolean equivalent(MaterialRetained m) {
return ((m != null) &&
lightingEnable == m.lightingEnable &&
diffuseColor.equals(m.diffuseColor) &&
emissiveColor.equals(m.emissiveColor) &&
specularColor.equals(m.specularColor) &&
ambientColor.equals(m.ambientColor) &&
colorTarget == m.colorTarget &&
shininess == m.shininess);
}
// This functions clones the retained side only and is used
// internally
@Override
protected Object clone() {
MaterialRetained mr = (MaterialRetained)super.clone();
// color can't share the same reference
mr.ambientColor = new Color3f(ambientColor);
mr.emissiveColor = new Color3f(emissiveColor);
mr.diffuseColor = new Color3f(diffuseColor);
mr.specularColor = new Color3f(specularColor);
// other attributes are copy by clone() automatically
return mr;
}
protected void set(MaterialRetained mat) {
super.set(mat);
// duplicate any referenced data
ambientColor.set(mat.ambientColor);
emissiveColor.set(mat.emissiveColor);
diffuseColor.set(mat.diffuseColor);
specularColor.set(mat.specularColor);
shininess = mat.shininess;
lightingEnable = mat.lightingEnable;
colorTarget = mat.colorTarget;
}
final void sendMessage(int attrMask, Object attr) {
ArrayList univList = new ArrayList();
ArrayList> 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.MATERIAL_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);
int size = univList.size();
for(int i=0; i 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 == Material.ALLOW_COMPONENT_WRITE) {
setFrequencyChangeMask(Material.ALLOW_COMPONENT_WRITE, 0x1);
}
}
}
