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Diffstat (limited to 'src/javax/media/j3d/IndexedGeometryStripArrayRetained.java')
| -rw-r--r-- | src/javax/media/j3d/IndexedGeometryStripArrayRetained.java | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/src/javax/media/j3d/IndexedGeometryStripArrayRetained.java b/src/javax/media/j3d/IndexedGeometryStripArrayRetained.java new file mode 100644 index 0000000..d3e874f --- /dev/null +++ b/src/javax/media/j3d/IndexedGeometryStripArrayRetained.java @@ -0,0 +1,247 @@ +/* + * 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]; + } + } + +} |