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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;
/**
* The IndexedGeometryStripArray object is an abstract class that is extended for
* a set of IndexedGeometryArray strip primitives. These include LINE_STRIP,
* TRIANGLE_STRIP, and TRIANGLE_FAN.
*/
abstract class IndexedGeometryStripArrayRetained extends IndexedGeometryArrayRetained {
// Array of per-strip vertex counts
int stripIndexCounts[];
// Following variables are only used in compile mode
int[] compileStripICOffset;
int[] compileIndexLength;
/**
* Set stripIndexCount data into local array
*/
void setStripIndexCounts(int stripIndexCounts[]) {
int i, num = stripIndexCounts.length, total = 0;
for (i=0; i < num; i++) {
total += stripIndexCounts[i];
if (this instanceof IndexedLineStripArrayRetained) {
if (stripIndexCounts[i] < 2) {
throw new IllegalArgumentException(J3dI18N.getString("IndexedLineStripArrayRetained1"));
}
}
else if (this instanceof IndexedTriangleStripArrayRetained) {
if (stripIndexCounts[i] < 3) {
throw new IllegalArgumentException(J3dI18N.getString("IndexedTriangleStripArrayRetained1"));
}
}
else if (this instanceof IndexedTriangleFanArrayRetained) {
if (stripIndexCounts[i] < 3) {
throw new IllegalArgumentException(J3dI18N.getString("IndexedTriangleFanArrayRetained1"));
}
}
}
// Sum of all stripIndexCounts MUST be same as indexCount
if ((initialIndexIndex + total) > indexCount)
throw new IllegalArgumentException(J3dI18N.getString("IndexedGeometryStripArrayRetained0"));
int newCoordMax =0;
int newColorIndex=0;
int newNormalIndex=0;
int[] newTexCoordIndex = null;
int[] newVertexAttrIndex = null;
newCoordMax = computeMaxIndex(initialIndexIndex, total, indexCoord);
doErrorCheck(newCoordMax);
if ((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0) {
if ((vertexFormat & GeometryArray.COLOR) != 0) {
newColorIndex = computeMaxIndex(initialIndexIndex, total, indexColor);
doColorCheck(newColorIndex);
}
if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
newTexCoordIndex = new int[texCoordSetCount];
for (i = 0; i < texCoordSetCount; i++) {
newTexCoordIndex[i] = computeMaxIndex(initialIndexIndex,total,
indexTexCoord[i]);
doTexCoordCheck(newTexCoordIndex[i], i);
}
}
if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
newVertexAttrIndex = new int[vertexAttrCount];
for (i = 0; i < vertexAttrCount; i++) {
newVertexAttrIndex[i] = computeMaxIndex(initialIndexIndex,
total,
indexVertexAttr[i]);
doTexCoordCheck(newVertexAttrIndex[i], i);
}
}
if ((vertexFormat & GeometryArray.NORMALS) != 0) {
newNormalIndex = computeMaxIndex(initialIndexIndex, total, indexNormal);
doNormalCheck(newNormalIndex);
}
}
boolean isLive = source!=null && source.isLive();
if(isLive){
geomLock.getLock();
}
validIndexCount = total;
this.stripIndexCounts = new int[num];
for (i=0;i < num;i++)
{
this.stripIndexCounts[i] = stripIndexCounts[i];
}
maxCoordIndex = newCoordMax;
if ((vertexFormat & GeometryArray.USE_COORD_INDEX_ONLY) == 0) {
maxColorIndex = newColorIndex;
if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
for (i = 0; i < texCoordSetCount; i++) {
maxTexCoordIndices[i] = newTexCoordIndex[i];
}
}
if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
for (i = 0; i < vertexAttrCount; i++) {
maxVertexAttrIndices[i] = newVertexAttrIndex[i];
}
}
maxNormalIndex = newNormalIndex;
}
else {
maxColorIndex = maxCoordIndex;
maxNormalIndex = maxCoordIndex;
if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
for (i = 0; i < texCoordSetCount; i++) {
maxTexCoordIndices[i] = maxCoordIndex;
}
}
if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
for (i = 0; i < vertexAttrCount; i++) {
maxVertexAttrIndices[i] = maxCoordIndex;
}
}
}
if(isLive) {
geomLock.unLock();
}
// bbox is computed for the entries list.
// so, send as false
if (!inUpdater && isLive) {
sendDataChangedMessage(true);
}
}
@Override
GeometryArrayRetained cloneNonIndexedGeometry() {
GeometryStripArrayRetained obj = null;
switch (this.geoType) {
case GEO_TYPE_INDEXED_LINE_STRIP_SET:
obj = new LineStripArrayRetained();
break;
case GEO_TYPE_INDEXED_TRI_FAN_SET:
obj = new TriangleFanArrayRetained();
break;
case GEO_TYPE_INDEXED_TRI_STRIP_SET:
obj = new TriangleStripArrayRetained();
break;
}
obj.createGeometryArrayData(validIndexCount,
(vertexFormat & ~(GeometryArray.BY_REFERENCE|GeometryArray.INTERLEAVED|GeometryArray.USE_NIO_BUFFER)),
texCoordSetCount, texCoordSetMap,
vertexAttrCount, vertexAttrSizes);
obj.unIndexify(this);
obj.setStripVertexCounts(stripIndexCounts);
obj.cloneSourceArray = this;
obj.source = source;
return obj;
}
/**
* Get number of strips in the GeometryStripArray
* @return numStrips number of strips
*/
int getNumStrips(){
return stripIndexCounts.length;
}
/**
* Get a list of vertexCounts for each strip
* @param stripIndexCounts an array that will receive vertexCounts
*/
void getStripIndexCounts(int stripIndexCounts[]){
for (int i=stripIndexCounts.length-1;i >= 0; i--) {
stripIndexCounts[i] = this.stripIndexCounts[i];
}
}
@Override
void mergeGeometryArrays(ArrayList list) {
int numMerge = list.size();
int numCount = 0;
int i, j;
for (i = 0; i < numMerge; i++) {
IndexedGeometryStripArrayRetained geo = (IndexedGeometryStripArrayRetained) list.get(i);
numCount += geo.stripIndexCounts.length;
}
stripIndexCounts = new int[numCount];
compileIndexLength = new int[numCount];
compileStripICOffset = new int[numMerge];
int curICOffset = 0;
for (i = 0; i < numMerge; i++) {
IndexedGeometryStripArrayRetained geo = (IndexedGeometryStripArrayRetained) list.get(i);
compileStripICOffset[i] = curICOffset;
compileIndexLength[i] = geo.stripIndexCounts.length;
System.arraycopy(geo.stripIndexCounts, 0, stripIndexCounts,
curICOffset, geo.stripIndexCounts.length);
curICOffset += geo.stripIndexCounts.length;
}
super.mergeGeometryArrays(list);
}
int getNumStrips(int id){
return compileIndexLength[id];
}
/**
* Get a list of vertexCounts for each strip
* @param stripIndexCounts an array that will receive vertexCounts
*/
void getStripIndexCounts(int id, int stripIndexCounts[]){
int count = compileIndexLength[id];
int coffset = compileStripICOffset[id];
for (int i=0;i < count; i++) {
stripIndexCounts[i] = this.stripIndexCounts[coffset+1];
}
}
}