[170] | 1 | // ---------------------------------------------------------------------------
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| 2 | // Includes for all the program files to see
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| 3 | // ---------------------------------------------------------------------------
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| 4 | #include <string.h>
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| 5 | #include <stdlib.h>
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| 6 | #include <iostream>
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| 7 | using namespace std;
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| 8 | #include <xercesc/util/PlatformUtils.hpp>
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[162] | 9 |
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[170] | 10 | // ---------------------------------------------------------------------------
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| 11 | // Includes
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| 12 | // ---------------------------------------------------------------------------
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| 13 | #include <xercesc/framework/StdInInputSource.hpp>
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| 14 | #include <xercesc/parsers/SAXParser.hpp>
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| 15 | #include <xercesc/util/OutOfMemoryException.hpp>
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[971] | 16 | #include <xercesc/util/BinFileInputStream.hpp>
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[170] | 17 | // ---------------------------------------------------------------------------
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| 18 | // Includes
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| 19 | // ---------------------------------------------------------------------------
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| 20 | #include <xercesc/sax/AttributeList.hpp>
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| 21 | #include <xercesc/sax/SAXParseException.hpp>
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| 22 | #include <xercesc/sax/SAXException.hpp>
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| 23 |
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[162] | 24 | #include "X3dParser.h"
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| 25 |
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[182] | 26 | #include "X3dParserXerces.h"
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[170] | 27 | #include "Mesh.h"
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| 28 | #include "SceneGraph.h"
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[261] | 29 | #include "Triangle3.h"
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[439] | 30 | #include "ViewCellsManager.h"
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[162] | 31 |
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[863] | 32 | namespace GtpVisibilityPreprocessor {
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[860] | 33 |
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[971] | 34 | float X3dParser::DEFAULT_VIEWCELL_HEIGHT = 5.0f;
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[860] | 35 |
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[170] | 36 | // ---------------------------------------------------------------------------
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| 37 | // Local data
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| 38 | //
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| 39 | // doNamespaces
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| 40 | // Indicates whether namespace processing should be enabled or not.
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| 41 | // The default is no, but -n overrides that.
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| 42 | //
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| 43 | // doSchema
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| 44 | // Indicates whether schema processing should be enabled or not.
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| 45 | // The default is no, but -s overrides that.
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| 46 | //
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| 47 | // schemaFullChecking
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| 48 | // Indicates whether full schema constraint checking should be enabled or not.
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| 49 | // The default is no, but -s overrides that.
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| 50 | //
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| 51 | // valScheme
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| 52 | // Indicates what validation scheme to use. It defaults to 'auto', but
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| 53 | // can be set via the -v= command.
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| 54 | // ---------------------------------------------------------------------------
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| 55 | static bool doNamespaces = false;
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| 56 | static bool doSchema = false;
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| 57 | static bool schemaFullChecking = false;
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| 58 | static SAXParser::ValSchemes valScheme = SAXParser::Val_Auto;
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| 59 |
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[703] | 60 | #define ROTATE_SCENE 0
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[170] | 61 |
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| 62 |
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[726] | 63 | static void RotateMesh(Mesh *mesh)
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| 64 | {
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| 65 | VertexContainer::iterator it, it_end = mesh->mVertices.end();
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[170] | 66 |
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[726] | 67 | const float angle = 30.0f * PI / 180.0f;
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| 68 | const Matrix4x4 rot = RotationYMatrix(angle);
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| 69 |
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| 70 | for (it = mesh->mVertices.begin(); it != it_end; ++ it)
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| 71 | {
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| 72 | (*it) = rot * (*it);
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| 73 | }
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| 74 | }
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| 75 |
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[170] | 76 | // ---------------------------------------------------------------------------
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| 77 | // StdInParseHandlers: Constructors and Destructor
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| 78 | // ---------------------------------------------------------------------------
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[657] | 79 | X3dParseHandlers::X3dParseHandlers(SceneGraphNode *root, const bool loadPolygonsAsMeshes):
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[176] | 80 | mElementCount(0)
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| 81 | , mAttrCount(0)
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| 82 | , mCharacterCount(0)
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| 83 | , mSpaceCount(0)
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[657] | 84 | , mLoadPolygonsAsMeshes(loadPolygonsAsMeshes)
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[162] | 85 | {
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[176] | 86 | mCurrentNode = root;
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[712] | 87 | // this matrix should never be removed from stack
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| 88 | //mTransformations.push(IdentityMatrix());
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[162] | 89 | }
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| 90 |
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[170] | 91 | X3dParseHandlers::~X3dParseHandlers()
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| 92 | {
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[712] | 93 | if (!mTransformations.empty())
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| 94 | cout << "error: transformation stack size: " << (int)mTransformations.size() << endl;
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[170] | 95 | }
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[162] | 96 |
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[170] | 97 |
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| 98 | // ---------------------------------------------------------------------------
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| 99 | // StdInParseHandlers: Implementation of the SAX DocumentHandler interface
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| 100 | // ---------------------------------------------------------------------------
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| 101 | void X3dParseHandlers::endElement(const XMLCh* const name)
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[162] | 102 | {
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[170] | 103 | StrX lname(name);
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[176] | 104 | string element(lname.LocalForm());
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[694] | 105 |
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[752] | 106 | // only create new mesh instance if define mechanism was not used
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[170] | 107 | if (element == "Shape")
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| 108 | EndShape();
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[752] | 109 |
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[712] | 110 | if (element == "Transform")
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| 111 | EndTransform();
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[170] | 112 | }
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[162] | 113 |
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[694] | 114 |
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[693] | 115 |
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| 116 |
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[712] | 117 | void X3dParseHandlers::ApplyTransformation(Mesh *mesh,
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| 118 | const Matrix4x4 &m) const
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| 119 | {
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| 120 | VertexContainer::iterator it, it_end = mesh->mVertices.end();
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| 121 |
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| 122 | for (it = mesh->mVertices.begin(); it != it_end; ++ it)
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| 123 | {
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| 124 | (*it) = m * (*it);
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| 125 | }
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| 126 | }
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| 127 |
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| 128 |
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| 129 | void X3dParseHandlers::ApplyTransformations(TrafoStack trafos, Mesh *mesh) const
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| 130 | {
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| 131 | while (!trafos.empty())
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| 132 | {
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| 133 | const Matrix4x4 m = trafos.top();
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| 134 | trafos.pop();
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| 135 |
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| 136 | ApplyTransformation(mesh, m);
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| 137 | }
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| 138 | }
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| 139 |
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| 140 | void X3dParseHandlers::StartTransform(AttributeList& attributes)
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| 141 | {
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| 142 | Matrix4x4 currentTransform = IdentityMatrix();
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| 143 |
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| 144 | const int len = attributes.getLength();
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[752] | 145 | Matrix4x4 *rotm = NULL;
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| 146 | Matrix4x4 *scalem = NULL;
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| 147 | Matrix4x4 *translm = NULL;
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[712] | 148 |
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| 149 | for (int i = 0; i < len; ++ i)
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| 150 | {
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| 151 | string attrName(StrX(attributes.getName(i)).LocalForm());
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| 152 |
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| 153 | StrX attrValue(attributes.getValue(i));
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| 154 | const char *ptr = attrValue.LocalForm();
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| 155 |
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| 156 | if (attrName == "rotation")
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| 157 | {
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| 158 | Vector3 axis;
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| 159 | float angle;
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| 160 |
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| 161 | if (sscanf(ptr, "%f %f %f %f", &axis.x, &axis.y, &axis.z, &angle) == 4)
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| 162 | {
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[752] | 163 | rotm = new Matrix4x4(RotationAxisMatrix(axis, angle));
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[712] | 164 | }
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| 165 | }
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| 166 | else if (attrName == "translation")
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| 167 | {
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| 168 | Vector3 transl;
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| 169 |
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| 170 | if (sscanf(ptr, "%f %f %f %f", &transl.x, &transl.y, &transl.z) == 3)
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| 171 | {
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[752] | 172 | translm = new Matrix4x4(TranslationMatrix(transl));
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| 173 | }
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| 174 | }
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| 175 | else if (attrName == "scale")
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| 176 | {
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| 177 | Vector3 scale;
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[712] | 178 |
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[752] | 179 | if (sscanf(ptr, "%f %f %f %f", &scale.x, &scale.y, &scale.z) == 3)
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| 180 | {
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| 181 | scalem = new Matrix4x4(ScaleMatrix(scale.x, scale.y, scale.z));
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[712] | 182 | }
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| 183 | }
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[752] | 184 | // todo: scale orientation
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[712] | 185 | }
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| 186 |
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[752] | 187 | if (scalem)
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| 188 | currentTransform *= (*scalem);
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| 189 | if (rotm)
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| 190 | currentTransform *= (*rotm);
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| 191 | if (translm)
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| 192 | currentTransform *= (*translm);
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| 193 |
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| 194 | DEL_PTR(scalem);
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| 195 | DEL_PTR(rotm);
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| 196 | DEL_PTR(translm);
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| 197 |
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[712] | 198 | mTransformations.push(currentTransform);
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| 199 | }
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| 200 |
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| 201 |
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| 202 | void X3dParseHandlers::EndTransform()
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| 203 | {
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| 204 | mTransformations.pop();
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| 205 | }
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| 206 |
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| 207 |
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[752] | 208 | void X3dParseHandlers::EndShape()
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[170] | 209 | {
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[752] | 210 | // this shape is a definition => don't create mesh instance
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| 211 | if (mIsMeshDefinition)
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| 212 | {
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| 213 | mMeshDefinitions[mCurrentMeshName.c_str()] = mCurrentMesh;
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| 214 | //cout << "new definition: " << mCurrentMeshName << endl;
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| 215 |
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| 216 | return;
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| 217 | }
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| 218 |
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| 219 | // each polygon is one single mesh
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[658] | 220 | if (mLoadPolygonsAsMeshes)
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| 221 | {
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[752] | 222 | //if (mCurrentMesh->mFaces.empty()) cout << "error!" << endl;
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| 223 |
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| 224 | FaceContainer::const_iterator fit, fit_end = mCurrentMesh->mFaces.end();
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| 225 |
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| 226 | cout << "m";
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| 227 | //cout << "m: " << mCurrentMesh->mFaces.size() << endl;
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| 228 | for (fit = mCurrentMesh->mFaces.begin(); fit != fit_end; ++ fit)
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| 229 | {
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| 230 | cout << "f";
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| 231 |
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| 232 | Face *face = *fit;
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| 233 | // only one face per mesh
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| 234 | Mesh *mesh = new Mesh();
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| 235 | VertexIndexContainer vc;
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| 236 |
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| 237 | VertexIndexContainer::const_iterator vit, vit_end = face->mVertexIndices.end();
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| 238 |
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| 239 | int i = 0;
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| 240 | for (vit = face->mVertexIndices.begin(); vit != vit_end; ++ vit, ++ i)
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| 241 | {
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| 242 | cout << "i";
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| 243 | int index = (*vit);
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| 244 | // add vertices
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| 245 | mesh->mVertices.push_back(mCurrentMesh->mVertices[index]);
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| 246 | vc.push_back(i);
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| 247 | }
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| 248 |
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| 249 | mesh->mFaces.push_back(new Face(vc));
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| 250 |
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| 251 | // NOTE: should rather be written into trafo of mesh instance
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| 252 | ApplyTransformations(mTransformations, mesh);
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| 253 |
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| 254 | mesh->Preprocess();
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| 255 |
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| 256 | // make an instance of this mesh
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| 257 | MeshInstance *mi = new MeshInstance(mesh);
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| 258 | mCurrentNode->mGeometry.push_back(mi);
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[658] | 259 | }
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| 260 |
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[752] | 261 | // LEAK!! TODO: delete if not defd
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| 262 | if (!mUsingMeshDefinition)
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| 263 | delete mCurrentMesh;
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| 264 |
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| 265 | //mCurrentVertices.clear();
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| 266 | //mCurrentVertexIndices.clear();
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[658] | 267 | }
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| 268 | else
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[693] | 269 | {
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[752] | 270 | if (!mCurrentMesh->mFaces.empty())
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[658] | 271 | {
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[712] | 272 | // should rather be written into the transformation
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| 273 | // of a mesh instance
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| 274 | ApplyTransformations(mTransformations, mCurrentMesh);
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| 275 |
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[658] | 276 | mCurrentMesh->Preprocess();
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| 277 | // make an instance of this mesh
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| 278 | MeshInstance *mi = new MeshInstance(mCurrentMesh);
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[752] | 279 |
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[658] | 280 | mCurrentNode->mGeometry.push_back(mi);
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| 281 | // set the object id to a unique value
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| 282 | //mi->SetId(mCurrentObjectId ++);
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| 283 | }
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| 284 | else
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| 285 | {
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[752] | 286 | // empty mesh => discard
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[658] | 287 | cout<<"X";
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[752] | 288 |
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[658] | 289 | delete mCurrentMesh;
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| 290 | }
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[694] | 291 |
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[658] | 292 | mCurrentMesh = NULL;
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| 293 | }
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[170] | 294 | }
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[712] | 295 |
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| 296 |
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[752] | 297 | void X3dParseHandlers::StartIndexedFaceSet(AttributeList& attributes)
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[170] | 298 | {
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| 299 | int len = attributes.getLength();
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[752] | 300 |
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[170] | 301 | int i;
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| 302 | VertexIndexContainer vertices;
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[162] | 303 |
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[752] | 304 | mIsMeshDefinition = false;
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| 305 | mUsingMeshDefinition = false;
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| 306 | for (i = 0; i < len; ++ i)
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| 307 | {
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| 308 | string attrName(StrX(attributes.getName(i)).LocalForm());
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| 309 |
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| 310 | // this is a definition of a mesh
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| 311 | if (attrName == "DEF")
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| 312 | {
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| 313 | mIsMeshDefinition = true;
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| 314 | StrX attrValue(attributes.getValue(i));
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| 315 | const char *ptr = attrValue.LocalForm();
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| 316 | mCurrentMeshName = ptr;
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[657] | 317 |
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[752] | 318 | cout << "d";
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| 319 | }
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| 320 |
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| 321 | // we use an already defined mesh
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| 322 | if (attrName == "USE")
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| 323 | {
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| 324 | StrX attrValue(attributes.getValue(i));
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[657] | 325 |
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[752] | 326 | // discard new mesh and assign defined mesh
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| 327 | DEL_PTR(mCurrentMesh);
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| 328 | const char *ptr = attrValue.LocalForm();
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| 329 |
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| 330 | mCurrentMesh = mMeshDefinitions[ptr];
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| 331 | mUsingMeshDefinition = true;
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| 332 | cout << "u";
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| 333 | }
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| 334 |
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| 335 | if (attrName == "coordIndex")
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| 336 | {
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| 337 | StrX attrValue(attributes.getValue(i));
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| 338 | // handle coordIndex
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| 339 | vertices.clear();
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| 340 | const char *ptr = attrValue.LocalForm();
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| 341 |
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| 342 | char *endptr;
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| 343 |
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| 344 | while (1)
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| 345 | {
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| 346 | int index = strtol(ptr, &endptr, 10);
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| 347 |
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| 348 | if (ptr == endptr || index == -1)
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| 349 | {
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| 350 | if (vertices.size() > 2)
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| 351 | {
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| 352 | Face *face = new Face(vertices);
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| 353 | mCurrentMesh->mFaces.push_back(face);
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| 354 | }
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| 355 |
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| 356 | vertices.clear();
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| 357 |
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| 358 | if (ptr == endptr)
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| 359 | break;
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| 360 |
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| 361 | }
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| 362 | else
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| 363 | {
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| 364 | vertices.push_back(index);
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| 365 | }
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| 366 | ptr = endptr;
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| 367 | }
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| 368 | }
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[170] | 369 | }
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[162] | 370 | }
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| 371 |
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[752] | 372 |
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[170] | 373 | void
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| 374 | X3dParseHandlers::StartMaterial(
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| 375 | AttributeList& attributes)
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[162] | 376 | {
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[170] | 377 | int len = attributes.getLength();
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| 378 | int i;
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[176] | 379 | if (!mCurrentMesh->mMaterial)
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| 380 | mCurrentMesh->mMaterial = new Material;
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[170] | 381 | for (i=0; i < len; i++) {
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[176] | 382 | string attrName(StrX(attributes.getName(i)).LocalForm());
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[170] | 383 | StrX attrValue(attributes.getValue(i));
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[176] | 384 | const char *ptr = attrValue.LocalForm();
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[170] | 385 | if (attrName == "diffuseColor") {
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| 386 | float r, g, b;
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| 387 | if (sscanf(ptr, "%f %f %f", &r, &g, &b) == 3)
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[176] | 388 | mCurrentMesh->mMaterial->mDiffuseColor = RgbColor(r, g, b);
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[170] | 389 | }
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| 390 | }
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[162] | 391 | }
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| 392 |
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[170] | 393 | void
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| 394 | X3dParseHandlers::StartCoordinate(
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| 395 | AttributeList& attributes)
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[162] | 396 | {
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[657] | 397 | int len = attributes.getLength();
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| 398 |
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| 399 | int i;
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| 400 | VertexContainer vertices;
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| 401 |
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| 402 | for (i=0; i < len; i++)
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| 403 | {
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| 404 | string attrName(StrX(attributes.getName(i)).LocalForm());
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| 405 |
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| 406 | if (attrName == "point")
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| 407 | {
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| 408 | StrX attrValue(attributes.getValue(i));
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| 409 |
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| 410 |
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| 411 | const char *ptr = attrValue.LocalForm();
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| 412 | char *endptr;
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| 413 |
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| 414 |
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[694] | 415 | while (1)
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[657] | 416 | {
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| 417 | float x = (float)strtod(ptr, &endptr);
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| 418 |
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| 419 | if (ptr == endptr)
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| 420 | break;
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| 421 |
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| 422 | ptr = endptr;
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| 423 |
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| 424 | float y = (float)strtod(ptr, &endptr);
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| 425 |
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| 426 | if (ptr == endptr)
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| 427 | break;
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| 428 |
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| 429 | ptr = endptr;
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| 430 |
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| 431 | float z = (float)strtod(ptr, &endptr);
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| 432 | if (ptr == endptr)
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| 433 | break;
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| 434 |
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| 435 | ptr = endptr;
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| 436 |
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| 437 | if (*ptr == ',')
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| 438 | ptr ++;
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| 439 |
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| 440 | Vector3 v(x, y, z);
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| 441 | vertices.push_back(v);
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| 442 | }
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[752] | 443 |
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| 444 | mCurrentMesh->mVertices = vertices;
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[657] | 445 | }
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| 446 | }
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[162] | 447 | }
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| 448 |
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[170] | 449 |
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| 450 | void
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| 451 | X3dParseHandlers::startElement(const XMLCh* const name,
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[439] | 452 | AttributeList& attributes)
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[162] | 453 | {
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[170] | 454 | StrX lname(name);
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[176] | 455 | string element(lname.LocalForm());
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[170] | 456 |
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| 457 | if (element == "IndexedFaceSet") {
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| 458 | // create a new mesh node in the scene graph
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---|
| 459 | StartIndexedFaceSet(attributes);
|
---|
| 460 | }
|
---|
[694] | 461 |
|
---|
[170] | 462 | if (element == "Shape") {
|
---|
[694] | 463 | cout << "+";
|
---|
[658] | 464 | mCurrentMesh = new Mesh;
|
---|
[170] | 465 | }
|
---|
| 466 |
|
---|
[752] | 467 | if (element == "Coordinate")
|
---|
| 468 | {
|
---|
[176] | 469 | if (mCurrentMesh)
|
---|
[170] | 470 | StartCoordinate(attributes);
|
---|
| 471 | }
|
---|
| 472 |
|
---|
| 473 | if (element == "Material") {
|
---|
| 474 | StartMaterial(attributes);
|
---|
| 475 | }
|
---|
[752] | 476 |
|
---|
[712] | 477 | if (element == "Transform") {
|
---|
| 478 | StartTransform(attributes);
|
---|
| 479 | }
|
---|
[170] | 480 |
|
---|
[176] | 481 | mElementCount++;
|
---|
| 482 | mAttrCount += attributes.getLength();
|
---|
[162] | 483 | }
|
---|
| 484 |
|
---|
[170] | 485 | void
|
---|
| 486 | X3dParseHandlers::characters(const XMLCh* const chars,
|
---|
| 487 | const unsigned int length)
|
---|
[162] | 488 | {
|
---|
[176] | 489 | mCharacterCount += length;
|
---|
[162] | 490 | }
|
---|
| 491 |
|
---|
[170] | 492 | void
|
---|
| 493 | X3dParseHandlers::ignorableWhitespace(const XMLCh* const chars,
|
---|
| 494 | const unsigned int length)
|
---|
[162] | 495 | {
|
---|
[176] | 496 | mSpaceCount += length;
|
---|
[162] | 497 | }
|
---|
| 498 |
|
---|
[170] | 499 | void
|
---|
| 500 | X3dParseHandlers::resetDocument()
|
---|
[162] | 501 | {
|
---|
[176] | 502 | mAttrCount = 0;
|
---|
| 503 | mCharacterCount = 0;
|
---|
| 504 | mElementCount = 0;
|
---|
| 505 | mSpaceCount = 0;
|
---|
[162] | 506 | }
|
---|
| 507 |
|
---|
[170] | 508 |
|
---|
| 509 |
|
---|
| 510 | // ---------------------------------------------------------------------------
|
---|
| 511 | // StdInParseHandlers: Overrides of the SAX ErrorHandler interface
|
---|
| 512 | // ---------------------------------------------------------------------------
|
---|
| 513 | void
|
---|
| 514 | X3dParseHandlers::error(const SAXParseException& e)
|
---|
[162] | 515 | {
|
---|
[170] | 516 | XERCES_STD_QUALIFIER cerr << "\nError at (file " << StrX(e.getSystemId())
|
---|
| 517 | << ", line " << e.getLineNumber()
|
---|
| 518 | << ", char " << e.getColumnNumber()
|
---|
| 519 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
| 520 | }
|
---|
[162] | 521 |
|
---|
[170] | 522 | void
|
---|
| 523 | X3dParseHandlers::fatalError(const SAXParseException& e)
|
---|
[162] | 524 | {
|
---|
[170] | 525 | XERCES_STD_QUALIFIER cerr << "\nFatal Error at (file " << StrX(e.getSystemId())
|
---|
| 526 | << ", line " << e.getLineNumber()
|
---|
| 527 | << ", char " << e.getColumnNumber()
|
---|
| 528 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
[162] | 529 | }
|
---|
| 530 |
|
---|
[170] | 531 | void
|
---|
| 532 | X3dParseHandlers::warning(const SAXParseException& e)
|
---|
[162] | 533 | {
|
---|
[170] | 534 | XERCES_STD_QUALIFIER cerr << "\nWarning at (file " << StrX(e.getSystemId())
|
---|
| 535 | << ", line " << e.getLineNumber()
|
---|
| 536 | << ", char " << e.getColumnNumber()
|
---|
| 537 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
[162] | 538 | }
|
---|
| 539 |
|
---|
[971] | 540 | /*************************************************************************/
|
---|
| 541 | /* X3dParser implementation */
|
---|
| 542 | /*******************+*****************************************************/
|
---|
[170] | 543 |
|
---|
[971] | 544 | X3dParser::X3dParser():
|
---|
| 545 | mViewCellHeight(DEFAULT_VIEWCELL_HEIGHT)
|
---|
| 546 | {}
|
---|
| 547 |
|
---|
[170] | 548 | bool
|
---|
| 549 | X3dParser::ParseFile(const string filename,
|
---|
[657] | 550 | SceneGraphNode **root,
|
---|
| 551 | const bool loadPolygonsAsMeshes)
|
---|
[170] | 552 | {
|
---|
| 553 | // Initialize the XML4C system
|
---|
| 554 | try {
|
---|
| 555 | XMLPlatformUtils::Initialize();
|
---|
| 556 | }
|
---|
| 557 |
|
---|
| 558 | catch (const XMLException& toCatch)
|
---|
| 559 | {
|
---|
| 560 | XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
|
---|
| 561 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
| 562 | return false;
|
---|
| 563 | }
|
---|
| 564 |
|
---|
| 565 |
|
---|
| 566 | //
|
---|
| 567 | // Create a SAX parser object. Then, according to what we were told on
|
---|
| 568 | // the command line, set the options.
|
---|
| 569 | //
|
---|
| 570 | SAXParser* parser = new SAXParser;
|
---|
| 571 | parser->setValidationScheme(valScheme);
|
---|
| 572 | parser->setDoNamespaces(doNamespaces);
|
---|
| 573 | parser->setDoSchema(doSchema);
|
---|
| 574 | parser->setValidationSchemaFullChecking(schemaFullChecking);
|
---|
| 575 |
|
---|
| 576 |
|
---|
| 577 | //
|
---|
| 578 | // Create our SAX handler object and install it on the parser, as the
|
---|
| 579 | // document and error handler. We are responsible for cleaning them
|
---|
| 580 | // up, but since its just stack based here, there's nothing special
|
---|
| 581 | // to do.
|
---|
| 582 | //
|
---|
| 583 | *root = new SceneGraphNode;
|
---|
[657] | 584 | X3dParseHandlers handler(*root, loadPolygonsAsMeshes);
|
---|
[170] | 585 | parser->setDocumentHandler(&handler);
|
---|
| 586 | parser->setErrorHandler(&handler);
|
---|
| 587 |
|
---|
| 588 | unsigned long duration;
|
---|
| 589 | int errorCount = 0;
|
---|
| 590 | // create a faux scope so that 'src' destructor is called before
|
---|
| 591 | // XMLPlatformUtils::Terminate
|
---|
| 592 | {
|
---|
| 593 | //
|
---|
| 594 | // Kick off the parse and catch any exceptions. Create a standard
|
---|
| 595 | // input input source and tell the parser to parse from that.
|
---|
| 596 | //
|
---|
| 597 | // StdInInputSource src;
|
---|
| 598 | try
|
---|
| 599 | {
|
---|
| 600 | const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
| 601 | parser->parse(filename.c_str());
|
---|
| 602 | const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
| 603 | duration = endMillis - startMillis;
|
---|
| 604 | errorCount = parser->getErrorCount();
|
---|
| 605 | }
|
---|
| 606 | catch (const OutOfMemoryException&)
|
---|
| 607 | {
|
---|
| 608 | XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
|
---|
| 609 | errorCount = 2;
|
---|
| 610 | return false;
|
---|
| 611 | }
|
---|
| 612 | catch (const XMLException& e)
|
---|
| 613 | {
|
---|
| 614 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: \n"
|
---|
| 615 | << StrX(e.getMessage())
|
---|
| 616 | << "\n" << XERCES_STD_QUALIFIER endl;
|
---|
| 617 | errorCount = 1;
|
---|
| 618 | return false;
|
---|
| 619 | }
|
---|
[176] | 620 |
|
---|
[170] | 621 |
|
---|
| 622 | // Print out the stats that we collected and time taken
|
---|
| 623 | if (!errorCount) {
|
---|
| 624 | XERCES_STD_QUALIFIER cout << filename << ": " << duration << " ms ("
|
---|
[176] | 625 | << handler.GetElementCount() << " elems, "
|
---|
| 626 | << handler.GetAttrCount() << " attrs, "
|
---|
| 627 | << handler.GetSpaceCount() << " spaces, "
|
---|
| 628 | << handler.GetCharacterCount() << " chars)" << XERCES_STD_QUALIFIER endl;
|
---|
[170] | 629 | }
|
---|
| 630 | }
|
---|
| 631 |
|
---|
| 632 | //
|
---|
| 633 | // Delete the parser itself. Must be done prior to calling Terminate, below.
|
---|
| 634 | //
|
---|
| 635 | delete parser;
|
---|
| 636 |
|
---|
| 637 | XMLPlatformUtils::Terminate();
|
---|
| 638 |
|
---|
| 639 | if (errorCount > 0)
|
---|
| 640 | return false;
|
---|
| 641 | else
|
---|
| 642 | return true;
|
---|
[162] | 643 | }
|
---|
| 644 |
|
---|
[170] | 645 |
|
---|
[260] | 646 |
|
---|
[508] | 647 | /************************************************************************/
|
---|
| 648 | /* class X3dViewCellsParseHandlers implementation */
|
---|
| 649 | /************************************************************************/
|
---|
[260] | 650 |
|
---|
| 651 |
|
---|
| 652 | // ---------------------------------------------------------------------------
|
---|
| 653 | // StdInParseHandlers: Constructors and Destructor
|
---|
| 654 | // ---------------------------------------------------------------------------
|
---|
[439] | 655 | X3dViewCellsParseHandlers::X3dViewCellsParseHandlers(ViewCellsManager *viewCellsManager,
|
---|
[657] | 656 | const float viewCellHeight):
|
---|
[490] | 657 | mElementCount(0),
|
---|
| 658 | mAttrCount(0),
|
---|
| 659 | mCharacterCount(0),
|
---|
| 660 | mSpaceCount(0),
|
---|
| 661 | mViewCellsManager(viewCellsManager),
|
---|
| 662 | mViewCellHeight(viewCellHeight)
|
---|
[260] | 663 | {
|
---|
| 664 | }
|
---|
| 665 |
|
---|
[261] | 666 | X3dViewCellsParseHandlers::~X3dViewCellsParseHandlers()
|
---|
[260] | 667 | {
|
---|
| 668 | }
|
---|
| 669 |
|
---|
| 670 |
|
---|
| 671 | // ---------------------------------------------------------------------------
|
---|
| 672 | // StdInParseHandlers: Implementation of the SAX DocumentHandler interface
|
---|
| 673 | // ---------------------------------------------------------------------------
|
---|
[261] | 674 | void X3dViewCellsParseHandlers::endElement(const XMLCh* const name)
|
---|
[260] | 675 | {
|
---|
| 676 | StrX lname(name);
|
---|
| 677 | string element(lname.LocalForm());
|
---|
[694] | 678 |
|
---|
[260] | 679 | if (element == "Shape")
|
---|
| 680 | EndShape();
|
---|
| 681 | }
|
---|
| 682 |
|
---|
| 683 | void
|
---|
[261] | 684 | X3dViewCellsParseHandlers::EndShape()
|
---|
[260] | 685 | {
|
---|
[752] | 686 | // currently processing no shape
|
---|
[260] | 687 | }
|
---|
| 688 |
|
---|
| 689 | void
|
---|
[261] | 690 | X3dViewCellsParseHandlers::StartIndexedFaceSet(
|
---|
[260] | 691 | AttributeList& attributes)
|
---|
| 692 | {
|
---|
| 693 | int len = attributes.getLength();
|
---|
| 694 | int i;
|
---|
[752] | 695 |
|
---|
[262] | 696 | // clear previous vertex indices
|
---|
| 697 | mCurrentVertexIndices.clear();
|
---|
[752] | 698 |
|
---|
| 699 |
|
---|
[260] | 700 | for (i=0; i < len; i++)
|
---|
| 701 | {
|
---|
| 702 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 703 |
|
---|
[752] | 704 |
|
---|
[260] | 705 | if (attrName == "coordIndex")
|
---|
| 706 | {
|
---|
| 707 | StrX attrValue(attributes.getValue(i));
|
---|
| 708 |
|
---|
| 709 | // handle coordIndex
|
---|
| 710 | const char *ptr = attrValue.LocalForm();
|
---|
| 711 | char *endptr;
|
---|
| 712 |
|
---|
[261] | 713 | while (1)
|
---|
[260] | 714 | {
|
---|
| 715 | int index = strtol(ptr, &endptr, 10);
|
---|
| 716 |
|
---|
[261] | 717 | if (ptr == endptr)
|
---|
| 718 | break;
|
---|
| 719 |
|
---|
| 720 | if (index != -1)
|
---|
[260] | 721 | {
|
---|
[261] | 722 | mCurrentVertexIndices.push_back(index);
|
---|
[260] | 723 | }
|
---|
| 724 |
|
---|
| 725 | ptr = endptr;
|
---|
| 726 | }
|
---|
| 727 | }
|
---|
| 728 | }
|
---|
| 729 | }
|
---|
| 730 |
|
---|
| 731 |
|
---|
| 732 | void
|
---|
[439] | 733 | X3dViewCellsParseHandlers::StartCoordinate(AttributeList& attributes)
|
---|
[260] | 734 | {
|
---|
| 735 | int len = attributes.getLength();
|
---|
| 736 |
|
---|
| 737 | VertexContainer vertices;
|
---|
[364] | 738 | int i;
|
---|
| 739 | for (i=0; i < len; i++)
|
---|
[260] | 740 | {
|
---|
| 741 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 742 |
|
---|
| 743 | if (attrName == "point")
|
---|
| 744 | {
|
---|
| 745 | StrX attrValue(attributes.getValue(i));
|
---|
| 746 |
|
---|
| 747 | const char *ptr = attrValue.LocalForm();
|
---|
| 748 |
|
---|
| 749 | char *endptr;
|
---|
| 750 |
|
---|
| 751 | while (1)
|
---|
| 752 | {
|
---|
[469] | 753 | float x = (float)strtod(ptr, &endptr);
|
---|
[260] | 754 |
|
---|
| 755 | if (ptr == endptr)
|
---|
| 756 | break;
|
---|
| 757 | ptr = endptr;
|
---|
| 758 |
|
---|
[469] | 759 | float y = (float)(float)strtod(ptr, &endptr);
|
---|
[260] | 760 |
|
---|
| 761 |
|
---|
| 762 | if (ptr == endptr)
|
---|
| 763 | break;
|
---|
| 764 | ptr = endptr;
|
---|
| 765 |
|
---|
[469] | 766 | float z = (float)(float)strtod(ptr, &endptr);
|
---|
[260] | 767 |
|
---|
| 768 | if (ptr == endptr)
|
---|
| 769 | break;
|
---|
| 770 |
|
---|
| 771 | ptr = endptr;
|
---|
| 772 | if (*ptr == ',')
|
---|
| 773 | ptr++;
|
---|
| 774 |
|
---|
| 775 | Vector3 v(x, y, z);
|
---|
[262] | 776 | vertices.push_back(v);
|
---|
[260] | 777 | }
|
---|
| 778 | }
|
---|
| 779 | }
|
---|
[261] | 780 |
|
---|
[333] | 781 | for (i = 0; i < mCurrentVertexIndices.size(); i += 3)
|
---|
[439] | 782 | {
|
---|
[312] | 783 | Triangle3 baseTri(vertices[mCurrentVertexIndices[i + 0]],
|
---|
| 784 | vertices[mCurrentVertexIndices[i + 1]],
|
---|
| 785 | vertices[mCurrentVertexIndices[i + 2]]);
|
---|
[261] | 786 |
|
---|
[262] | 787 | // create view cell from base triangle
|
---|
[490] | 788 | mViewCellsManager->AddViewCell(
|
---|
| 789 | mViewCellsManager->ExtrudeViewCell(baseTri,
|
---|
| 790 | mViewCellHeight));
|
---|
[439] | 791 | }
|
---|
[260] | 792 | }
|
---|
| 793 |
|
---|
| 794 |
|
---|
| 795 | void
|
---|
[261] | 796 | X3dViewCellsParseHandlers::startElement(const XMLCh* const name,
|
---|
[439] | 797 | AttributeList& attributes)
|
---|
[260] | 798 | {
|
---|
| 799 | StrX lname(name);
|
---|
| 800 | string element(lname.LocalForm());
|
---|
| 801 |
|
---|
| 802 | if (element == "IndexedFaceSet") {
|
---|
[261] | 803 | // create the viewcells from individual triangles
|
---|
[260] | 804 | StartIndexedFaceSet(attributes);
|
---|
| 805 | }
|
---|
[261] | 806 |
|
---|
[260] | 807 | if (element == "Coordinate") {
|
---|
[261] | 808 | // add coordinates to the triangles
|
---|
[260] | 809 | StartCoordinate(attributes);
|
---|
| 810 | }
|
---|
[508] | 811 | // do nothing
|
---|
| 812 | //if (element == "Shape") {}
|
---|
[261] | 813 | // ignore material
|
---|
| 814 | //if (element == "Material") {}
|
---|
[260] | 815 |
|
---|
[508] | 816 | ++ mElementCount;
|
---|
[260] | 817 | mAttrCount += attributes.getLength();
|
---|
| 818 | }
|
---|
| 819 |
|
---|
| 820 | void
|
---|
[261] | 821 | X3dViewCellsParseHandlers::characters(const XMLCh* const chars,
|
---|
[260] | 822 | const unsigned int length)
|
---|
| 823 | {
|
---|
| 824 | mCharacterCount += length;
|
---|
| 825 | }
|
---|
| 826 |
|
---|
| 827 | void
|
---|
[261] | 828 | X3dViewCellsParseHandlers::ignorableWhitespace(const XMLCh* const chars,
|
---|
[260] | 829 | const unsigned int length)
|
---|
| 830 | {
|
---|
| 831 | mSpaceCount += length;
|
---|
| 832 | }
|
---|
| 833 |
|
---|
| 834 | void
|
---|
[261] | 835 | X3dViewCellsParseHandlers::resetDocument()
|
---|
[260] | 836 | {
|
---|
| 837 | mAttrCount = 0;
|
---|
| 838 | mCharacterCount = 0;
|
---|
| 839 | mElementCount = 0;
|
---|
| 840 | mSpaceCount = 0;
|
---|
| 841 | }
|
---|
| 842 |
|
---|
| 843 |
|
---|
| 844 |
|
---|
| 845 | // ---------------------------------------------------------------------------
|
---|
| 846 | // StdInParseHandlers: Overrides of the SAX ErrorHandler interface
|
---|
| 847 | // ---------------------------------------------------------------------------
|
---|
| 848 | void
|
---|
[261] | 849 | X3dViewCellsParseHandlers::error(const SAXParseException& e)
|
---|
[260] | 850 | {
|
---|
| 851 | XERCES_STD_QUALIFIER cerr << "\nError at (file " << StrX(e.getSystemId())
|
---|
| 852 | << ", line " << e.getLineNumber()
|
---|
| 853 | << ", char " << e.getColumnNumber()
|
---|
| 854 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
| 855 | }
|
---|
| 856 |
|
---|
| 857 | void
|
---|
[261] | 858 | X3dViewCellsParseHandlers::fatalError(const SAXParseException& e)
|
---|
[260] | 859 | {
|
---|
| 860 | XERCES_STD_QUALIFIER cerr << "\nFatal Error at (file " << StrX(e.getSystemId())
|
---|
| 861 | << ", line " << e.getLineNumber()
|
---|
| 862 | << ", char " << e.getColumnNumber()
|
---|
| 863 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
| 864 | }
|
---|
| 865 |
|
---|
| 866 | void
|
---|
[261] | 867 | X3dViewCellsParseHandlers::warning(const SAXParseException& e)
|
---|
[260] | 868 | {
|
---|
| 869 | XERCES_STD_QUALIFIER cerr << "\nWarning at (file " << StrX(e.getSystemId())
|
---|
| 870 | << ", line " << e.getLineNumber()
|
---|
| 871 | << ", char " << e.getColumnNumber()
|
---|
| 872 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
| 873 | }
|
---|
| 874 |
|
---|
| 875 |
|
---|
| 876 | bool
|
---|
[439] | 877 | X3dParser::ParseFile(const string filename, ViewCellsManager &viewCells)
|
---|
[260] | 878 | {
|
---|
| 879 | // Initialize the XML4C system
|
---|
| 880 | try {
|
---|
| 881 | XMLPlatformUtils::Initialize();
|
---|
| 882 | }
|
---|
| 883 |
|
---|
| 884 | catch (const XMLException& toCatch)
|
---|
| 885 | {
|
---|
| 886 | XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
|
---|
| 887 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
| 888 | return false;
|
---|
| 889 | }
|
---|
| 890 |
|
---|
| 891 |
|
---|
| 892 | //
|
---|
| 893 | // Create a SAX parser object. Then, according to what we were told on
|
---|
| 894 | // the command line, set the options.
|
---|
| 895 | //
|
---|
| 896 | SAXParser* parser = new SAXParser;
|
---|
| 897 | parser->setValidationScheme(valScheme);
|
---|
| 898 | parser->setDoNamespaces(doNamespaces);
|
---|
| 899 | parser->setDoSchema(doSchema);
|
---|
| 900 | parser->setValidationSchemaFullChecking(schemaFullChecking);
|
---|
| 901 |
|
---|
| 902 |
|
---|
| 903 | //
|
---|
| 904 | // Create our SAX handler object and install it on the parser, as the
|
---|
| 905 | // document and error handler. We are responsible for cleaning them
|
---|
| 906 | // up, but since its just stack based here, there's nothing special
|
---|
| 907 | // to do.
|
---|
| 908 | //
|
---|
[312] | 909 | X3dViewCellsParseHandlers handler(&viewCells, mViewCellHeight);
|
---|
[260] | 910 | parser->setDocumentHandler(&handler);
|
---|
| 911 | parser->setErrorHandler(&handler);
|
---|
| 912 |
|
---|
| 913 | unsigned long duration;
|
---|
| 914 | int errorCount = 0;
|
---|
| 915 | // create a faux scope so that 'src' destructor is called before
|
---|
| 916 | // XMLPlatformUtils::Terminate
|
---|
| 917 | {
|
---|
| 918 | //
|
---|
| 919 | // Kick off the parse and catch any exceptions. Create a standard
|
---|
| 920 | // input input source and tell the parser to parse from that.
|
---|
| 921 | //
|
---|
| 922 | // StdInInputSource src;
|
---|
| 923 | try
|
---|
| 924 | {
|
---|
| 925 | const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
[971] | 926 | //GzBinFileInputStream str(filename.c_str());
|
---|
| 927 |
|
---|
[260] | 928 | parser->parse(filename.c_str());
|
---|
| 929 | const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
| 930 | duration = endMillis - startMillis;
|
---|
| 931 | errorCount = parser->getErrorCount();
|
---|
| 932 | }
|
---|
| 933 | catch (const OutOfMemoryException&)
|
---|
| 934 | {
|
---|
| 935 | XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
|
---|
| 936 | errorCount = 2;
|
---|
| 937 | return false;
|
---|
| 938 | }
|
---|
| 939 | catch (const XMLException& e)
|
---|
| 940 | {
|
---|
| 941 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: \n"
|
---|
| 942 | << StrX(e.getMessage())
|
---|
| 943 | << "\n" << XERCES_STD_QUALIFIER endl;
|
---|
| 944 | errorCount = 1;
|
---|
| 945 | return false;
|
---|
| 946 | }
|
---|
| 947 |
|
---|
| 948 |
|
---|
| 949 | // Print out the stats that we collected and time taken
|
---|
| 950 | if (!errorCount) {
|
---|
| 951 | XERCES_STD_QUALIFIER cout << filename << ": " << duration << " ms ("
|
---|
| 952 | << handler.GetElementCount() << " elems, "
|
---|
| 953 | << handler.GetAttrCount() << " attrs, "
|
---|
| 954 | << handler.GetSpaceCount() << " spaces, "
|
---|
| 955 | << handler.GetCharacterCount() << " chars)" << XERCES_STD_QUALIFIER endl;
|
---|
| 956 | }
|
---|
| 957 | }
|
---|
| 958 |
|
---|
| 959 | //
|
---|
| 960 | // Delete the parser itself. Must be done prior to calling Terminate, below.
|
---|
| 961 | //
|
---|
| 962 | delete parser;
|
---|
| 963 |
|
---|
| 964 | XMLPlatformUtils::Terminate();
|
---|
| 965 |
|
---|
| 966 | if (errorCount > 0)
|
---|
| 967 | return false;
|
---|
| 968 | else
|
---|
| 969 | return true;
|
---|
[333] | 970 | }
|
---|
[860] | 971 |
|
---|
[971] | 972 |
|
---|
| 973 |
|
---|
| 974 |
|
---|
[860] | 975 | } |
---|