javax.media.j3d.GeometryStripArrayRetained Maven / Gradle / Ivy
/*
* 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.nio.FloatBuffer;
import java.util.ArrayList;
import javax.vecmath.TexCoord2f;
import javax.vecmath.TexCoord3f;
/**
* The GeometryStripArray object is an abstract class that is extended for
* a set of GeometryArray strip primitives. These include LINE_STRIP,
* TRIANGLE_STRIP, and TRIANGLE_FAN.
*/
abstract class GeometryStripArrayRetained extends GeometryArrayRetained {
// Array of per-strip vertex counts
int stripVertexCounts[];
// Array of per-strip starting index
int stripStartVertexIndices[]; // start of vertices for both by-copy
// and by-ref
int stripStartOffsetIndices[]; // Used in byRef non_interleaved
// Following variables are only used in the compile mode
// isCompiled = true
int[] compileNumStrips;
int[] compileStripCountOffset;
/**
* Set stripVertexCount data into local array
*/
void setStripVertexCounts(int stripVertexCounts[]) {
boolean nullGeo = false;
int i, num = stripVertexCounts.length, total = 0;
for (i=0; i < num; i++) {
total += stripVertexCounts[i];
if (this instanceof LineStripArrayRetained) {
if (stripVertexCounts[i] < 2) {
throw new IllegalArgumentException(J3dI18N.getString("LineStripArrayRetained1"));
}
}
else if (this instanceof TriangleStripArrayRetained) {
if (stripVertexCounts[i] < 3) {
throw new IllegalArgumentException(J3dI18N.getString("TriangleStripArrayRetained1"));
}
}
else if (this instanceof TriangleFanArrayRetained) {
if (stripVertexCounts[i] < 3) {
throw new IllegalArgumentException(J3dI18N.getString("TriangleFanArrayRetained1"));
}
}
}
if ((initialVertexIndex + total) > vertexCount) {
throw new IllegalArgumentException(J3dI18N.getString("GeometryStripArray3"));
}
if ((initialCoordIndex + total) > vertexCount) {
throw new IllegalArgumentException(J3dI18N.getString("GeometryStripArray7"));
}
if ((initialColorIndex + total) > vertexCount) {
throw new IllegalArgumentException(J3dI18N.getString("GeometryStripArray4"));
}
if ((initialNormalIndex + total) > vertexCount) {
throw new IllegalArgumentException(J3dI18N.getString("GeometryStripArray5"));
}
if ((vertexFormat & GeometryArray.TEXTURE_COORDINATE) != 0) {
if ((vertexFormat & (GeometryArray.BY_REFERENCE|vertexFormat &GeometryArray.INTERLEAVED)) == GeometryArray.BY_REFERENCE) {
for (i = 0; i < texCoordSetCount; i++) {
if ((initialTexCoordIndex[i] + total) > vertexCount) {
throw new IllegalArgumentException(
J3dI18N.getString("GeometryStripArray6"));
}
}
}
}
if ((vertexFormat & GeometryArray.VERTEX_ATTRIBUTES) != 0) {
if ((vertexFormat & (GeometryArray.BY_REFERENCE|vertexFormat &GeometryArray.INTERLEAVED)) == GeometryArray.BY_REFERENCE) {
for (i = 0; i < vertexAttrCount; i++) {
if ((initialVertexAttrIndex[i] + total) > vertexCount) {
throw new IllegalArgumentException(
J3dI18N.getString("GeometryStripArray8"));
}
}
}
}
boolean isLive = source!=null && source.isLive();
if(isLive){
geomLock.getLock();
}
dirtyFlag |= STRIPCOUNT_CHANGED;
validVertexCount = total;
this.stripVertexCounts = new int[num];
stripStartVertexIndices = new int[num];
stripStartOffsetIndices = new int[num];
stripStartOffsetIndices[0] = 0;
if ((vertexFormat & (GeometryArray.BY_REFERENCE|vertexFormat &GeometryArray.INTERLEAVED)) == GeometryArray.BY_REFERENCE) {
stripStartVertexIndices[0] = initialCoordIndex;
nullGeo = ((vertexType & GeometryArrayRetained.VERTEX_DEFINED) == 0);
}
else {
stripStartVertexIndices[0] = initialVertexIndex;
if ((vertexFormat & GeometryArray.INTERLEAVED) != 0) {
if (( vertexFormat & GeometryArray.USE_NIO_BUFFER) != 0) {
nullGeo = (interLeavedVertexData == null);
}
else {
nullGeo = (interleavedFloatBufferImpl == null);
}
}
}
for (i=0; i