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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 org.scijava.java3d;
import java.util.ArrayList;
import org.scijava.vecmath.Color4f;
/**
* The TextureAttributes object defines attributes that apply to
* to texture mapping.
*/
class TextureAttributesRetained extends NodeComponentRetained {
// A list of pre-defined bits to indicate which component
// in this TextureAttributes object changed.
static final int TRANSFORM_CHANGED = 0x0001;
static final int MODE_CHANGED = 0x0002;
static final int COLOR_CHANGED = 0x0004;
static final int CORRECTION_CHANGED = 0x0008;
static final int TEXTURE_COLOR_TABLE_CHANGED = 0x0010;
static final int COMBINE_RGB_MODE_CHANGED = 0x0020;
static final int COMBINE_ALPHA_MODE_CHANGED = 0x0040;
static final int COMBINE_RGB_SRC_CHANGED = 0x0080;
static final int COMBINE_ALPHA_SRC_CHANGED = 0x0100;
static final int COMBINE_RGB_FCN_CHANGED = 0x0200;
static final int COMBINE_ALPHA_FCN_CHANGED = 0x0400;
static final int COMBINE_RGB_SCALE_CHANGED = 0x0800;
static final int COMBINE_ALPHA_SCALE_CHANGED = 0x1000;
// static class variable for enums. Currently only supports 0 - 9.
static final Integer[] enums;
// Texture transform
Transform3D transform = new Transform3D();
// Texture mode
int textureMode = TextureAttributes.REPLACE;
// Texture blend color
Color4f textureBlendColor = new Color4f(0.0f, 0.0f, 0.0f, 0.0f);
// Texture color table
int textureColorTable[] = null;
int numTextureColorTableComponents = 0;
int textureColorTableSize = 0;
// Texture Combine Mode
int combineRgbMode = TextureAttributes.COMBINE_MODULATE;
int combineAlphaMode = TextureAttributes.COMBINE_MODULATE;
// the following fields are only applicable if textureMode specifies
// COMBINE. If COMBINE mode is specified, then each of the following
// fields will be referencing an array of 3 integers, each representing
// an operand in the combine equation.
int [] combineRgbSrc = null;
int [] combineAlphaSrc = null;
int [] combineRgbFcn = null;
int [] combineAlphaFcn = null;
int combineRgbScale = 1;
int combineAlphaScale = 1;
//Perspective correction mode, used for color/texCoord interpolation
int perspCorrectionMode = TextureAttributes.NICEST;
// true when mirror texCoord component set
boolean mirrorCompDirty = false;
static {
// create some of the enums Integer to be used in the messages
// this can be eliminated if the message is modified to take
// integer itself
//
// NOTE: check with the actual enum value before using this
// list. This list only supports 0 - 9
enums = new Integer[10];
for (int i = 0; i < enums.length; i++) {
enums[i] = new Integer(i);
}
}
TextureAttributesRetained() {}
// initCombineMode -- initializes the combine mode related fields
// delay the allocation of memory to minimize
// memory footprint
final void initCombineMode(TextureAttributesRetained tr) {
tr.combineRgbSrc = new int[3];
tr.combineAlphaSrc = new int[3];
tr.combineRgbFcn = new int[3];
tr.combineAlphaFcn = new int[3];
//default values
tr.combineRgbSrc[0] = TextureAttributes.COMBINE_TEXTURE_COLOR;
tr.combineRgbSrc[1] = TextureAttributes.COMBINE_PREVIOUS_TEXTURE_UNIT_STATE;
tr.combineRgbSrc[2] = TextureAttributes.COMBINE_CONSTANT_COLOR;
tr.combineAlphaSrc[0] = TextureAttributes.COMBINE_TEXTURE_COLOR;
tr.combineAlphaSrc[1] = TextureAttributes.COMBINE_PREVIOUS_TEXTURE_UNIT_STATE;
tr.combineAlphaSrc[2] = TextureAttributes.COMBINE_CONSTANT_COLOR;
tr.combineRgbFcn[0] = TextureAttributes.COMBINE_SRC_COLOR;
tr.combineRgbFcn[1] = TextureAttributes.COMBINE_SRC_COLOR;
tr.combineRgbFcn[2] = TextureAttributes.COMBINE_SRC_COLOR;
tr.combineAlphaFcn[0] = TextureAttributes.COMBINE_SRC_ALPHA;
tr.combineAlphaFcn[1] = TextureAttributes.COMBINE_SRC_ALPHA;
tr.combineAlphaFcn[2] = TextureAttributes.COMBINE_SRC_ALPHA;
}
final void initTextureMode(int textureMode) {
this.textureMode = textureMode;
if (textureMode == TextureAttributes.COMBINE) {
if (combineRgbSrc == null) {
initCombineMode(this);
}
}
}
/**
* Sets the texture mode parameter for this
* appearance component object.
* @param textureMode the texture mode, one of: MODULATE,
* DECAL, BLEND, or REPLACE
*/
final void setTextureMode(int textureMode) {
initTextureMode(textureMode);
sendMessage(MODE_CHANGED, enums[textureMode], null);
}
/**
* Gets the texture mode parameter for this
* texture attributes object.
* @return textureMode the texture mode
*/
final int getTextureMode() {
return textureMode;
}
final void initTextureBlendColor(Color4f textureBlendColor) {
this.textureBlendColor.set(textureBlendColor);
}
/**
* Sets the texture blend color for this
* texture attributes object.
* @param textureBlendColor the texture blend color used when
* the mode is BLEND
*/
final void setTextureBlendColor(Color4f textureBlendColor) {
this.textureBlendColor.set(textureBlendColor);
sendMessage(COLOR_CHANGED, new Color4f(textureBlendColor), null);
}
final void initTextureBlendColor(float r, float g, float b, float a) {
this.textureBlendColor.set(r, g, b, a);
}
/**
* Sets the texture blend color for this
* appearance component object. This color is used when
* the mode is BLEND.
* @param r the red component of the color
* @param g the green component of the color
* @param b the blue component of the color
* @param a the alpha component of the color
*/
final void setTextureBlendColor(float r, float g, float b, float a) {
this.textureBlendColor.set(r, g, b, a);
sendMessage(COLOR_CHANGED, new Color4f(r, g, b, a), null);
}
/**
* Gets the texture blend color for this
* appearance component object.
* @param textureBlendColor the vector that will receive the texture
* blend color used when the mode is BLEND
*/
final void getTextureBlendColor(Color4f textureBlendColor) {
textureBlendColor.set(this.textureBlendColor);
}
final void initTextureTransform(Transform3D transform) {
this.transform.set(transform);
}
/**
* Sets the texture transform object used to transform texture
* coordinates. A copy of the specified Transform3D object is
* stored in this TextureAttributes object.
* @param transform the new transform object
*/
final void setTextureTransform(Transform3D transform) {
this.transform.set(transform);
sendMessage(TRANSFORM_CHANGED, new Transform3D(transform), null);
}
/**
* Retrieves a copy of the texture transform object.
* @param transform the transform object that will receive the
* current texture transform.
*/
final void getTextureTransform(Transform3D transform) {
transform.set(this.transform);
}
final void initPerspectiveCorrectionMode(int mode) {
this.perspCorrectionMode = mode;
}
/**
* Sets perspective correction mode to be used for color
* and/or texture coordinate interpolation.
* A value of NICEST indicates that perspective correction should be
* performed and that the highest quality method should be used.
* A value of FASTEST indicates that the most efficient perspective
* correction method should be used.
* @param mode one of NICEST or FASTEST.
* The default value is NICEST.
*/
final void setPerspectiveCorrectionMode(int mode) {
this.perspCorrectionMode = mode;
sendMessage(CORRECTION_CHANGED, enums[mode], null);
}
/**
* Gets perspective correction mode value.
* @return mode the value of perspective correction mode.
*/
final int getPerspectiveCorrectionMode() {
return perspCorrectionMode;
}
final void setTextureColorTable(int[][] table) {
initTextureColorTable(table);
//clone a copy of the texture for the mirror object
if (table == null) {
sendMessage(TEXTURE_COLOR_TABLE_CHANGED, null, null);
} else {
int ctable[] = new int[textureColorTableSize *
numTextureColorTableComponents];
System.arraycopy(textureColorTable, 0, ctable, 0,
textureColorTable.length);
Object args[] = new Object[3];
args[0] = new Integer(numTextureColorTableComponents);
args[1] = new Integer(textureColorTableSize);
args[2] = ctable;
sendMessage(TEXTURE_COLOR_TABLE_CHANGED, args, null);
}
}
final void initTextureColorTable(int[][] table) {
numTextureColorTableComponents = 0;
textureColorTableSize = 0;
if (table == null) {
textureColorTable = null;
return;
}
if (table.length < 3 || table.length > 4) {
throw new IllegalArgumentException(J3dI18N.getString("TextureAttributes13"));
}
if (Texture.getPowerOf2(table[0].length) == -1) {
throw new IllegalArgumentException(J3dI18N.getString("TextureAttributes14"));
}
for (int i = 1; i < table.length; i++) {
if (table[i].length != table[0].length)
throw new IllegalArgumentException(J3dI18N.getString("TextureAttributes15"));
}
numTextureColorTableComponents = table.length;
textureColorTableSize = table[0].length;
if (textureColorTable == null ||
textureColorTable.length != numTextureColorTableComponents *
textureColorTableSize) {
textureColorTable = new int[numTextureColorTableComponents *
textureColorTableSize];
}
int k = 0;
for (int i = 0; i < textureColorTableSize; i++) {
for (int j = 0; j < numTextureColorTableComponents; j++) {
textureColorTable[k++] = table[j][i];
}
}
}
final void getTextureColorTable(int[][] table) {
if (textureColorTable == null)
return;
int k = 0;
for (int i = 0; i < textureColorTableSize; i++) {
for (int j = 0; j < numTextureColorTableComponents; j++) {
table[j][i] = textureColorTable[k++];
}
}
}
final int getNumTextureColorTableComponents() {
return numTextureColorTableComponents;
}
final int getTextureColorTableSize() {
return textureColorTableSize;
}
final void initCombineRgbMode(int mode) {
combineRgbMode = mode;
}
final void setCombineRgbMode(int mode) {
initCombineRgbMode(mode);
sendMessage(COMBINE_RGB_MODE_CHANGED, enums[mode], null);
}
final int getCombineRgbMode() {
return combineRgbMode;
}
final void initCombineAlphaMode(int mode) {
combineAlphaMode = mode;
}
final void setCombineAlphaMode(int mode) {
initCombineAlphaMode(mode);
sendMessage(COMBINE_ALPHA_MODE_CHANGED, enums[mode], null);
}
final int getCombineAlphaMode() {
return combineAlphaMode;
}
final void initCombineRgbSource(int index, int src) {
if (combineRgbSrc == null) {
// it is possible to set the combineRgbSource before
// setting the texture mode to COMBINE, so need to initialize
// the combine mode related fields here
initCombineMode(this);
}
combineRgbSrc[index] = src;
}
final void setCombineRgbSource(int index, int src) {
initCombineRgbSource(index, src);
sendMessage(COMBINE_RGB_SRC_CHANGED, enums[index], enums[src]);
}
final int getCombineRgbSource(int index) {
if (combineRgbSrc == null) {
// it is possible to do a get before
// setting the texture mode to COMBINE, so need to initialize
// the combine mode related fields here
initCombineMode(this);
}
return combineRgbSrc[index];
}
final void initCombineAlphaSource(int index, int src) {
if (combineRgbSrc == null) {
// it is possible to set the combineAlphaSource before
// setting the texture mode to COMBINE, so need to initialize
// the combine mode related fields here
initCombineMode(this);
}
combineAlphaSrc[index] = src;
}
final void setCombineAlphaSource(int index, int src) {
initCombineAlphaSource(index, src);
sendMessage(COMBINE_ALPHA_SRC_CHANGED, enums[index], enums[src]);
}
final int getCombineAlphaSource(int index) {
if (combineRgbSrc == null) {
// it is possible to do a get before
// setting the texture mode to COMBINE, so need to initialize
// the combine mode related fields here
initCombineMode(this);
}
return combineAlphaSrc[index];
}
final void initCombineRgbFunction(int index, int fcn) {
if (combineRgbSrc == null) {
// it is possible to set the combineRgbFcn before
// setting the texture mode to COMBINE, so need to initialize
// the combine mode related fields here
initCombineMode(this);
}
combineRgbFcn[index] = fcn;
}
final void setCombineRgbFunction(int index, int fcn) {
initCombineRgbFunction(index, fcn);
sendMessage(COMBINE_RGB_FCN_CHANGED, enums[index], enums[fcn]);
}
final int getCombineRgbFunction(int index) {
if (combineRgbSrc == null) {
// it is possible to do a get before
// setting the texture mode to COMBINE, so need to initialize
// the combine mode related fields here
initCombineMode(this);
}
return combineRgbFcn[index];
}
final void initCombineAlphaFunction(int index, int fcn) {
if (combineRgbSrc == null) {
// it is possible to set the combineAlphaFcn before
// setting the texture mode to COMBINE, so need to initialize
// the combine mode related fields here
initCombineMode(this);
}
combineAlphaFcn[index] = fcn;
}
final void setCombineAlphaFunction(int index, int fcn) {
initCombineAlphaFunction(index, fcn);
sendMessage(COMBINE_ALPHA_FCN_CHANGED, enums[index], enums[fcn]);
}
final int getCombineAlphaFunction(int index) {
if (combineRgbSrc == null) {
// it is possible to do a get before
// setting the texture mode to COMBINE, so need to initialize
// the combine mode related fields here
initCombineMode(this);
}
return combineAlphaFcn[index];
}
final void initCombineRgbScale(int scale) {
combineRgbScale = scale;
}
final void setCombineRgbScale(int scale) {
initCombineRgbScale(scale);
sendMessage(COMBINE_RGB_SCALE_CHANGED, enums[scale], null);
}
final int getCombineRgbScale() {
return combineRgbScale;
}
final void initCombineAlphaScale(int scale) {
combineAlphaScale = scale;
}
final void setCombineAlphaScale(int scale) {
initCombineAlphaScale(scale);
sendMessage(COMBINE_ALPHA_SCALE_CHANGED, enums[scale], null);
}
final int getCombineAlphaScale() {
return combineAlphaScale;
}
void updateNative(Canvas3D cv, boolean simulate, int textureFormat) {
//System.err.println("TextureAttributes/updateNative: simulate= " + simulate + " " + this);
//if ((cv.textureExtendedFeatures & Canvas3D.TEXTURE_COLOR_TABLE)
// == 0) && textureColorTable != null) {
// System.err.println("TextureColorTable Not supported");
//}
//System.err.println("textureMode= " + textureMode);
boolean isIdentity =
((transform.getType() & Transform3D.IDENTITY) != 0);
if (simulate == false) {
if (VirtualUniverse.mc.useCombiners &&
(cv.textureExtendedFeatures &
Canvas3D.TEXTURE_REGISTER_COMBINERS) != 0) {
Pipeline.getPipeline().updateRegisterCombiners(cv.ctx,
transform.mat, isIdentity, textureMode, perspCorrectionMode,
textureBlendColor.x, textureBlendColor.y,
textureBlendColor.z, textureBlendColor.w,
textureFormat, combineRgbMode, combineAlphaMode,
combineRgbSrc, combineAlphaSrc,
combineRgbFcn, combineAlphaFcn,
combineRgbScale, combineAlphaScale);
} else {
if (textureMode == TextureAttributes.COMBINE) {
if ((cv.textureExtendedFeatures &
Canvas3D.TEXTURE_COMBINE) != 0) {
// Texture COMBINE is supported by the underlying layer
int _combineRgbMode = combineRgbMode;
int _combineAlphaMode = combineAlphaMode;
Pipeline.getPipeline().updateTextureAttributes(cv.ctx,
transform.mat, isIdentity, textureMode,
perspCorrectionMode,
textureBlendColor.x, textureBlendColor.y,
textureBlendColor.z, textureBlendColor.w,
textureFormat);
if (((combineRgbMode == TextureAttributes.COMBINE_DOT3) &&
((cv.textureExtendedFeatures &
Canvas3D.TEXTURE_COMBINE_DOT3) == 0)) ||
((combineRgbMode == TextureAttributes.COMBINE_SUBTRACT) &&
((cv.textureExtendedFeatures &
Canvas3D.TEXTURE_COMBINE_SUBTRACT) == 0))) {
// Combine DOT3/SUBTRACT is not supported by the
// underlying layer, fallback to COMBINE_REPLACE
_combineRgbMode = TextureAttributes.COMBINE_REPLACE;
}
if (((combineAlphaMode == TextureAttributes.COMBINE_DOT3) &&
((cv.textureExtendedFeatures &
Canvas3D.TEXTURE_COMBINE_DOT3) == 0)) ||
((combineAlphaMode == TextureAttributes.COMBINE_SUBTRACT) &&
((cv.textureExtendedFeatures &
Canvas3D.TEXTURE_COMBINE_SUBTRACT) == 0))) {
// Combine DOT3/SUBTRACT is not supported by the
// underlying layer, fallback to COMBINE_REPLACE
_combineAlphaMode = TextureAttributes.COMBINE_REPLACE;
}
Pipeline.getPipeline().updateCombiner(cv.ctx,
_combineRgbMode, _combineAlphaMode,
combineRgbSrc, combineAlphaSrc,
combineRgbFcn, combineAlphaFcn,
combineRgbScale, combineAlphaScale);
} else {
// Texture COMBINE is not supported by the underlying
// layer, fallback to REPLACE
Pipeline.getPipeline().updateTextureAttributes(cv.ctx,
transform.mat, isIdentity,
TextureAttributes.REPLACE,
perspCorrectionMode,
textureBlendColor.x, textureBlendColor.y,
textureBlendColor.z, textureBlendColor.w,
textureFormat);
}
} else {
Pipeline.getPipeline().updateTextureAttributes(cv.ctx,
transform.mat, isIdentity, textureMode,
perspCorrectionMode,
textureBlendColor.x, textureBlendColor.y,
textureBlendColor.z, textureBlendColor.w,
textureFormat);
}
}
if (((cv.textureExtendedFeatures & Canvas3D.TEXTURE_COLOR_TABLE)
!= 0) && textureColorTable != null) {
Pipeline.getPipeline().updateTextureColorTable(cv.ctx,
numTextureColorTableComponents,
textureColorTableSize, textureColorTable);
}
} else {
// we are in the multi-pass mode,
// in this case, set the texture Mode to replace and use
// blending to simulate the original textureMode
Pipeline.getPipeline().updateTextureAttributes(cv.ctx,
transform.mat, isIdentity, TextureAttributes.REPLACE,
perspCorrectionMode,
textureBlendColor.x, textureBlendColor.y,
textureBlendColor.z, textureBlendColor.w, textureFormat);
if (((cv.textureExtendedFeatures & Canvas3D.TEXTURE_COLOR_TABLE)
!= 0) && textureColorTable != null) {
Pipeline.getPipeline().updateTextureColorTable(cv.ctx, numTextureColorTableComponents,
textureColorTableSize, textureColorTable);
}
switch (textureMode) {
case TextureAttributes.COMBINE:
case TextureAttributes.REPLACE:
cv.setBlendFunc(cv.ctx,
TransparencyAttributes.BLEND_ONE,
TransparencyAttributes.BLEND_ZERO);
break;
case TextureAttributes.MODULATE:
cv.setBlendFunc(cv.ctx,
TransparencyAttributes.BLEND_DST_COLOR,
TransparencyAttributes.BLEND_ZERO);
break;
case TextureAttributes.DECAL:
if (textureFormat == Texture.RGBA) {
cv.setBlendFunc(cv.ctx,
TransparencyAttributes.BLEND_SRC_ALPHA,
TransparencyAttributes.BLEND_ONE_MINUS_SRC_ALPHA);
} else {
cv.setBlendFunc(cv.ctx,
TransparencyAttributes.BLEND_ONE,
TransparencyAttributes.BLEND_ZERO);
}
break;
case TextureAttributes.BLEND:
cv.setBlendColor(cv.ctx, textureBlendColor.x, textureBlendColor.y,
textureBlendColor.z, textureBlendColor.w);
cv.setBlendFunc(cv.ctx,
TransparencyAttributes.BLEND_CONSTANT_COLOR,
TransparencyAttributes.BLEND_ONE_MINUS_SRC_COLOR);
break;
}
}
}
/**
* 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 {
TextureAttributesRetained mirrorTa = new TextureAttributesRetained();
mirrorTa.source = source;
mirrorTa.set(this);
mirror = mirrorTa;
}
} else {
((TextureAttributesRetained)mirror).set(this);
}
}
/**
* Initializes a mirror object
*/
@Override
synchronized void initMirrorObject() {
((TextureAttributesRetained)mirror).set(this);
}
/**
* Update the "component" field of the mirror object with the
* given "value"
*/
synchronized void updateMirrorObject(int component, Object value,
Object value2) {
TextureAttributesRetained mirrorTa = (TextureAttributesRetained)mirror;
mirrorTa.mirrorCompDirty = true;
if ((component & TRANSFORM_CHANGED) != 0) {
mirrorTa.transform.set((Transform3D)value);
}
else if ((component & MODE_CHANGED) != 0) {
mirrorTa.textureMode = ((Integer)value).intValue();
if ((mirrorTa.textureMode == TextureAttributes.COMBINE) &&
(mirrorTa.combineRgbSrc == null)) {
initCombineMode(mirrorTa);
}
}
else if ((component & COLOR_CHANGED) != 0) {
mirrorTa.textureBlendColor.set((Color4f)value);
}
else if ((component & CORRECTION_CHANGED) != 0) {
mirrorTa.perspCorrectionMode = ((Integer)value).intValue();
}
else if ((component & TEXTURE_COLOR_TABLE_CHANGED) != 0) {
if (value == null) {
mirrorTa.textureColorTable = null;
mirrorTa.numTextureColorTableComponents = 0;
mirrorTa.textureColorTableSize = 0;
} else {
Object args[] = (Object[])value;
mirrorTa.textureColorTable = (int[])args[2];
mirrorTa.numTextureColorTableComponents =
((Integer)args[0]).intValue();
mirrorTa.textureColorTableSize =
((Integer)args[1]).intValue();
}
}
else if ((component & COMBINE_RGB_MODE_CHANGED) != 0) {
mirrorTa.combineRgbMode = ((Integer)value).intValue();
}
else if ((component & COMBINE_ALPHA_MODE_CHANGED) != 0) {
mirrorTa.combineAlphaMode = ((Integer)value).intValue();
}
else if ((component & COMBINE_RGB_SRC_CHANGED) != 0) {
if (mirrorTa.combineRgbSrc == null) {
//initialize the memory for combine mode
initCombineMode(mirrorTa);
}
int index = ((Integer)value).intValue();
mirrorTa.combineRgbSrc[index] = ((Integer)value2).intValue();
}
else if ((component & COMBINE_ALPHA_SRC_CHANGED) != 0) {
if (mirrorTa.combineRgbSrc == null) {
//initialize the memory for combine mode
initCombineMode(mirrorTa);
}
int index = ((Integer)value).intValue();
mirrorTa.combineAlphaSrc[index] = ((Integer)value2).intValue();
}
else if ((component & COMBINE_RGB_FCN_CHANGED) != 0) {
if (mirrorTa.combineRgbSrc == null) {
//initialize the memory for combine mode
initCombineMode(mirrorTa);
}
int index = ((Integer)value).intValue();
mirrorTa.combineRgbFcn[index] = ((Integer)value2).intValue();
}
else if ((component & COMBINE_ALPHA_FCN_CHANGED) != 0) {
if (mirrorTa.combineRgbSrc == null) {
//initialize the memory for combine mode
initCombineMode(mirrorTa);
}
int index = ((Integer)value).intValue();
mirrorTa.combineAlphaFcn[index] = ((Integer)value2).intValue();
}
else if ((component & COMBINE_RGB_SCALE_CHANGED) != 0) {
mirrorTa.combineRgbScale = ((Integer)value).intValue();
}
else if ((component & COMBINE_ALPHA_SCALE_CHANGED) != 0) {
mirrorTa.combineAlphaScale = ((Integer)value).intValue();
}
}
boolean equivalent(TextureAttributesRetained tr) {
if (tr == null) {
return (false);
} else if ((this.changedFrequent != 0) || (tr.changedFrequent != 0)) {
return (this == tr);
}
if (!(tr.transform.equals(transform) &&
tr.textureBlendColor.equals(textureBlendColor) &&
(tr.textureMode == textureMode) &&
(tr.perspCorrectionMode == perspCorrectionMode))) {
return false;
}
// now check for combine mode attributes if textureMode specifies
// COMBINE
if (textureMode == TextureAttributes.COMBINE) {
if ((tr.combineRgbMode != combineRgbMode) ||
(tr.combineAlphaMode != combineAlphaMode) ||
(tr.combineRgbScale != combineRgbScale) ||
(tr.combineAlphaScale != combineAlphaScale)) {
return false;
}
// now check if the operands for the combine equations are
// equivalent
int nOpNeeded = 0;
if (combineRgbMode == TextureAttributes.COMBINE_REPLACE) {
nOpNeeded = 1;
} else if (combineRgbMode == TextureAttributes.COMBINE_INTERPOLATE) {
nOpNeeded = 3;
} else {
nOpNeeded = 2;
}
for (int i = 0; i < nOpNeeded; i++) {
if ((tr.combineRgbSrc[i] != combineRgbSrc[i]) ||
(tr.combineAlphaSrc[i] != combineAlphaSrc[i]) ||
(tr.combineRgbFcn[i] != combineRgbFcn[i]) ||
(tr.combineAlphaFcn[i] != combineAlphaFcn[i])) {
return false;
}
}
}
// now check for texture color table
if (tr.textureColorTable == null) {
if (this.textureColorTable == null)
return true;
else
return false;
} else if (this.textureColorTable == null) {
// tr.textureColorTable != null
return false;
} else {
if (tr.textureColorTable.length != this.textureColorTable.length)
return false;
for (int i = 0; i < this.textureColorTable.length; i++) {
if (this.textureColorTable[i] != tr.textureColorTable[i])
return false;
}
return true;
}
}
@Override
protected Object clone() {
TextureAttributesRetained tr = (TextureAttributesRetained)super.clone();
tr.transform = new Transform3D(transform);
tr.textureBlendColor = new Color4f(textureBlendColor);
if (textureColorTable != null) {
tr.textureColorTable = new int[textureColorTable.length];
System.arraycopy(textureColorTable, 0, tr.textureColorTable, 0,
textureColorTable.length);
} else {
tr.textureColorTable = null;
}
// clone the combine mode attributes
if (combineRgbSrc != null) {
tr.combineRgbSrc = new int[3];
tr.combineAlphaSrc = new int[3];
tr.combineRgbFcn = new int[3];
tr.combineAlphaFcn = new int[3];
for (int i = 0; i < 3; i++) {
tr.combineRgbSrc[i] = combineRgbSrc[i];
tr.combineAlphaSrc[i] = combineAlphaSrc[i];
tr.combineRgbFcn[i] = combineRgbFcn[i];
tr.combineAlphaFcn[i] = combineAlphaFcn[i];
}
}
// other attributes are copied in super.clone()
return tr;
}
protected void set(TextureAttributesRetained tr) {
super.set(tr);
transform.set(tr.transform);
textureBlendColor.set(tr.textureBlendColor);
textureMode = tr.textureMode;
perspCorrectionMode = tr.perspCorrectionMode;
// set texture color table
if (tr.textureColorTable != null) {
if (textureColorTable == null ||
textureColorTable.length != tr.textureColorTable.length) {
textureColorTable = new int[tr.textureColorTable.length];
}
System.arraycopy(tr.textureColorTable, 0, textureColorTable, 0,
tr.textureColorTable.length);
} else {
textureColorTable = null;
}
numTextureColorTableComponents = tr.numTextureColorTableComponents;
textureColorTableSize = tr.textureColorTableSize;
// set the combine mode attributes
combineRgbMode = tr.combineRgbMode;
combineAlphaMode = tr.combineAlphaMode;
combineRgbScale = tr.combineRgbScale;
combineAlphaScale = tr.combineAlphaScale;
if (tr.combineRgbSrc != null) {
if (combineRgbSrc == null) {
combineRgbSrc = new int[3];
combineAlphaSrc = new int[3];
combineRgbFcn = new int[3];
combineAlphaFcn = new int[3];
}
for (int i = 0; i < 3; i++) {
combineRgbSrc[i] = tr.combineRgbSrc[i];
combineAlphaSrc[i] = tr.combineAlphaSrc[i];
combineRgbFcn[i] = tr.combineRgbFcn[i];
combineAlphaFcn[i] = tr.combineAlphaFcn[i];
}
}
}
final void sendMessage(int attrMask, Object attr1, Object attr2) {
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.TEXTUREATTRIBUTES_CHANGED;
createMessage.universe = null;
createMessage.args[0] = this;
createMessage.args[1] = new Integer(attrMask);
createMessage.args[2] = attr1;
createMessage.args[3] = attr2;
createMessage.args[4] = new Integer(changedFrequent);
VirtualUniverse.mc.processMessage(createMessage);
// System.err.println("univList.size is " + 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) {
switch (bit) {
case TextureAttributes.ALLOW_MODE_WRITE:
case TextureAttributes.ALLOW_BLEND_COLOR_WRITE:
case TextureAttributes.ALLOW_TRANSFORM_WRITE:
case TextureAttributes.ALLOW_COLOR_TABLE_WRITE:
case TextureAttributes.ALLOW_COMBINE_WRITE: {
setFrequencyChangeMask(bit, bit);
}
default:
break;
}
}
}
