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/*
* Copyright (c) 2013, 2017, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.sun.javafx.sg.prism;
import com.sun.javafx.collections.FloatArraySyncer;
import com.sun.javafx.collections.IntegerArraySyncer;
import com.sun.prism.Mesh;
import com.sun.prism.ResourceFactory;
/**
* TODO: 3D - Need documentation
*/
public class NGTriangleMesh {
private boolean meshDirty = true;
private Mesh mesh;
private boolean userDefinedNormals = false;
// points is an array of x,y,z interleaved
private float[] points;
private int[] pointsFromAndLengthIndices = new int[2];
// normals is an array of nx,ny,nz interleaved
private float[] normals;
private int[] normalsFromAndLengthIndices = new int[2];
// texCoords is an array of u,v interleaved
private float[] texCoords;
private int[] texCoordsFromAndLengthIndices = new int[2];
// faces is an array of v1,v2,v3 interleaved (where v = {point, texCoord})
private int[] faces;
private int[] facesFromAndLengthIndices = new int[2];
// faceSmoothingGroups is an array of face smoothing group values
private int[] faceSmoothingGroups;
private int[] faceSmoothingGroupsFromAndLengthIndices = new int[2];
Mesh createMesh(ResourceFactory rf) {
if (mesh == null) {
mesh = rf.createMesh();
meshDirty = true;
}
return mesh;
}
boolean validate() {
if (points == null || texCoords == null || faces == null || faceSmoothingGroups == null
|| (userDefinedNormals && (normals == null))) {
return false;
}
if (meshDirty) {
if (!mesh.buildGeometry(userDefinedNormals,
points, pointsFromAndLengthIndices,
normals, normalsFromAndLengthIndices,
texCoords, texCoordsFromAndLengthIndices,
faces, facesFromAndLengthIndices,
faceSmoothingGroups, faceSmoothingGroupsFromAndLengthIndices)) {
throw new RuntimeException("NGTriangleMesh: buildGeometry failed");
}
meshDirty = false;
}
return true;
}
// Note: This method is intentionally made package scope for security
// reason. It is created for internal use only.
// Do not make it a public method without careful consideration.
void setPointsByRef(float[] points) {
meshDirty = true;
this.points = points;
}
// Note: This method is intentionally made package scope for security
// reason. It is created for internal use only.
// Do not make it a public method without careful consideration.
void setNormalsByRef(float[] normals) {
meshDirty = true;
this.normals = normals;
}
// Note: This method is intentionally made package scope for security
// reason. It is created for internal use only.
// Do not make it a public method without careful consideration.
void setTexCoordsByRef(float[] texCoords) {
meshDirty = true;
this.texCoords = texCoords;
}
// Note: This method is intentionally made package scope for security
// reason. It is created for internal use only.
// Do not make it a public method without careful consideration.
void setFacesByRef(int[] faces) {
meshDirty = true;
this.faces = faces;
}
// Note: This method is intentionally made package scope for security
// reason. It is created for internal use only.
// Do not make it a public method without careful consideration.
void setFaceSmoothingGroupsByRef(int[] faceSmoothingGroups) {
meshDirty = true;
this.faceSmoothingGroups = faceSmoothingGroups;
}
public void setUserDefinedNormals(boolean userDefinedNormals) {
this.userDefinedNormals = userDefinedNormals;
}
public boolean isUserDefinedNormals() {
return userDefinedNormals;
}
public void syncPoints(FloatArraySyncer array) {
meshDirty = true;
points = array != null ? array.syncTo(points, pointsFromAndLengthIndices) : null;
}
public void syncNormals(FloatArraySyncer array) {
meshDirty = true;
normals = array != null ? array.syncTo(normals, normalsFromAndLengthIndices) : null;
}
public void syncTexCoords(FloatArraySyncer array) {
meshDirty = true;
texCoords = array != null ? array.syncTo(texCoords, texCoordsFromAndLengthIndices) : null;
}
public void syncFaces(IntegerArraySyncer array) {
meshDirty = true;
faces = array != null ? array.syncTo(faces, facesFromAndLengthIndices) : null;
}
public void syncFaceSmoothingGroups(IntegerArraySyncer array) {
meshDirty = true;
faceSmoothingGroups = array != null ? array.syncTo(faceSmoothingGroups, faceSmoothingGroupsFromAndLengthIndices) : null;
}
// NOTE: This method is used for unit test purpose only.
int[] test_getFaceSmoothingGroups() {
return this.faceSmoothingGroups;
}
// NOTE: This method is used for unit test purpose only.
int[] test_getFaces() {
return this.faces;
}
// NOTE: This method is used for unit test purpose only.
float[] test_getPoints() {
return this.points;
}
// NOTE: This method is used for unit test purpose only.
float[] test_getNormals() {
return this.normals;
}
// NOTE: This method is used for unit test purpose only.
float[] test_getTexCoords() {
return this.texCoords;
}
// NOTE: This method is used for unit test purpose only.
Mesh test_getMesh() {
return this.mesh;
}
}
