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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9 |
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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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16 |
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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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24 | #include "ViewCellsParser.h"
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25 |
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26 | #include "ViewCellsParserXerces.h"
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27 | #include "Mesh.h"
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28 | #include "VspBspTree.h"
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29 | #include "ViewCellBsp.h"
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30 | #include "ViewCellsManager.h"
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31 | #include "GzFileInputSource.h"
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32 | #include "OspTree.h"
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33 | #include "VspTree.h"
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34 | #include "KdTree.h"
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35 | #include "BvHierarchy.h"
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36 | #include "HierarchyManager.h"
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37 |
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38 |
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39 | namespace GtpVisibilityPreprocessor {
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40 |
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41 |
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42 | // ---------------------------------------------------------------------------
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43 | // Local data
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44 | //
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45 | // doNamespaces
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46 | // Indicates whether namespace processing should be enabled or not.
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47 | // The default is no, but -n overrides that.
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48 | //
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49 | // doSchema
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50 | // Indicates whether schema processing should be enabled or not.
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51 | // The default is no, but -s overrides that.
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52 | //
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53 | // schemaFullChecking
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54 | // Indicates whether full schema constraint checking should be enabled or not.
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55 | // The default is no, but -s overrides that.
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56 | //
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57 | // valScheme
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58 | // Indicates what validation scheme to use. It defaults to 'auto', but
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59 | // can be set via the -v= command.
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60 | // ---------------------------------------------------------------------------
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61 | static bool doNamespaces = false;
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62 | static bool doSchema = false;
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63 | static bool schemaFullChecking = false;
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64 | static SAXParser::ValSchemes valScheme = SAXParser::Val_Auto;
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65 |
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66 |
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67 |
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68 | inline static bool ilt(Intersectable *obj1, Intersectable *obj2)
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69 | {
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70 | return obj1->mId < obj2->mId;
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71 | }
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72 |
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73 |
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74 | // ---------------------------------------------------------------------------
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75 | // StdInParseHandlers: Constructors and Destructor
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76 | // ---------------------------------------------------------------------------
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77 | ViewCellsParseHandlers::ViewCellsParseHandlers(ObjectContainer *objects,
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78 | BoundingBoxConverter *bconverter):
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79 | mElementCount(0)
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80 | , mAttrCount(0)
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81 | , mCharacterCount(0)
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82 | , mSpaceCount(0)
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83 | , mViewCellsManager(NULL)
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84 | , mVspBspTree(NULL)
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85 | , mBspTree(NULL)
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86 | , mViewCellsTree(NULL)
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87 | , mCurrentState(PARSE_OPTIONS)
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88 | , mCurrentViewCell(NULL)
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89 | , mCurrentBspNode(NULL)
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90 | , mCurrentVspNode(NULL)
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91 | , mCurrentKdNode(NULL)
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92 | , mObjects(objects)
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93 | , mBoundingBoxConverter(bconverter)
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94 | , mHierarchyManager(NULL)
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95 | {
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96 | std::stable_sort(mObjects->begin(), mObjects->end(), ilt);
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97 | }
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98 |
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99 |
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100 | ViewCellsParseHandlers::~ViewCellsParseHandlers()
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101 | {
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102 | }
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103 |
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104 |
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105 | // ---------------------------------------------------------------------------
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106 | // StdInParseHandlers: Implementation of the SAX DocumentHandler interface
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107 | // ---------------------------------------------------------------------------
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108 |
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109 |
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110 | void ViewCellsParseHandlers::endElement(const XMLCh* const name)
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111 | {
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112 | StrX lname(name);
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113 | string element(lname.LocalForm());
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114 |
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115 | if (element == "BoundingBoxes")
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116 | EndBoundingBoxes();
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117 |
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118 | if (element == "ViewCells")
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119 | EndViewCells();
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120 |
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121 | // inside the view cell description
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122 | if (mCurrentState == PARSE_VIEWCELLS)
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123 | {
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124 | if (element == "Interior")
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125 | EndViewCellInterior();
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126 | }
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127 | else
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128 | {
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129 | if (element == "Interior")
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130 | EndBspInterior();
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131 | }
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132 |
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133 | // finished, create view cells manager
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134 | if (element == "VisibilitySolution")
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135 | CreateViewCellsManager();
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136 | }
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137 |
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138 |
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139 | void ViewCellsParseHandlers::EndBspInterior()
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140 | {
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141 | // go one up in the tree
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142 | if (mCurrentBspNode->GetParent())
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143 | { cout << "]";
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144 | mCurrentBspNode = mCurrentBspNode->GetParent();
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145 | }
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146 | }
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147 |
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148 |
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149 | void ViewCellsParseHandlers::EndVspInterior()
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150 | {
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151 | // go one up in the tree
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152 | if (mCurrentVspNode->GetParent())
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153 | { cout << "]";
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154 | mCurrentVspNode = mCurrentVspNode->GetParent();
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155 | }
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156 | }
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157 |
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158 |
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159 | void ViewCellsParseHandlers::EndViewCellInterior()
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160 | {
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161 | // go one up in the tree
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162 | if (mCurrentViewCell->GetParent())
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163 | { cout << "]";
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164 | mCurrentViewCell = mCurrentViewCell->GetParent();
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165 | }
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166 | }
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167 |
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168 |
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169 | inline static bool vlt(ViewCell *v1, ViewCell *v2)
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170 | {
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171 | return v1->mId < v2->mId;
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172 | }
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173 |
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174 |
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175 | void ViewCellsParseHandlers::EndViewCells()
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176 | {
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177 | // sort view cells to help associating view cells according to their id
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178 | stable_sort(mViewCells.begin(), mViewCells.end(), vlt);
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179 |
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180 | // not parsing view cells anymore
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181 | mCurrentState = PARSE_OPTIONS;
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182 | }
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183 |
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184 |
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185 | void ViewCellsParseHandlers::EndBoundingBoxes()
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186 | {
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187 | // all bounding boxes gathered in this step =>
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188 | // associate object ids with bounding boxes
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189 | long startTime = GetTime();
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190 |
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191 | if (mBoundingBoxConverter)
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192 | mBoundingBoxConverter->IdentifyObjects(mIBoundingBoxes, *mObjects);
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193 |
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194 | Debug << "\nconverted bounding boxes to objects in "
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195 | << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
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196 | }
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197 |
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198 |
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199 | void ViewCellsParseHandlers::StartHierarchy(AttributeList& attributes)
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200 | {
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201 | int len = attributes.getLength();
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202 |
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203 | for (int i = 0; i < len; ++ i)
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204 | {
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205 | string attrName(StrX(attributes.getName(i)).LocalForm());
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206 |
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207 | if (attrName == "name")
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208 | {
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209 | StrX attrValue(attributes.getValue(i));
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210 |
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211 | const char *ptr = attrValue.LocalForm();
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212 |
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213 | // the view cells manager is created here
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214 | //CreateViewCellsManager(ptr);
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215 | }
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216 | }
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217 | }
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218 |
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219 |
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220 | void ViewCellsParseHandlers::StartBspElement(string element,
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221 | AttributeList& attributes)
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222 | {
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223 | if (element == "Interior")
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224 | {
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225 | cout << "[";
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226 | StartBspInterior(attributes);
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227 | }
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228 |
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229 | if (element == "Leaf")
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230 | {
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231 | cout << "l";
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232 | StartBspLeaf(attributes);
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233 | }
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234 | }
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235 |
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236 |
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237 | void ViewCellsParseHandlers::StartVspElement(string element,
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238 | AttributeList& attributes)
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239 | {
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240 | if (element == "Interior")
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241 | {
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242 | cout << "[";
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243 | StartVspInterior(attributes);
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244 | }
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245 |
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246 | if (element == "Leaf")
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247 | {
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248 | cout << "l";
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249 | StartVspLeaf(attributes);
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250 | }
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251 | }
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252 |
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253 |
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254 | void ViewCellsParseHandlers::StartOspElement(string element,
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255 | AttributeList& attributes)
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256 | {
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257 | if (element == "Interior")
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258 | {
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259 | cout << "[";
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260 | StartOspInterior(attributes);
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261 | }
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262 |
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263 | if (element == "Leaf")
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264 | {
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265 | cout << "l";
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266 | StartOspLeaf(attributes);
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267 | }
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268 | }
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269 |
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270 |
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271 | void ViewCellsParseHandlers::StartBvhElement(string element,
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272 | AttributeList& attributes)
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273 | {
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274 | if (element == "Interior")
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275 | {
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276 | cout << "[";
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277 | StartBvhInterior(attributes);
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278 | }
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279 |
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280 | if (element == "Leaf")
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281 | {
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282 | cout << "l";
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283 | StartBvhLeaf(attributes);
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284 | }
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285 | }
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286 |
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287 |
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288 | void ViewCellsParseHandlers::StartViewSpaceHierarchyElement(const std::string &element,
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289 | AttributeList& attributes)
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290 | {
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291 | //if (!mViewCellsManager)return;
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292 |
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293 | //-- use cell type according to the chosen method
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294 |
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295 | switch (mViewSpaceHierarchyType)
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296 | {
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297 | case BSP:
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298 | StartBspElement(element, attributes);
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299 | break;
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300 | case VSP:
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301 | StartVspElement(element, attributes);
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302 | break;
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303 | default:
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304 | Debug << "not implemented" << endl;
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305 | break;
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306 | }
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307 | }
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308 |
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309 |
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310 | void ViewCellsParseHandlers::StartObjectSpaceHierarchyElement(const std::string &element,
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311 | AttributeList& attributes)
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312 | {
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313 | //if (!mViewCellsManager)return;
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314 |
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315 | //-- use cell type according to the chosen method
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316 |
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317 | switch (mObjectSpaceHierarchyType)
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318 | {
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319 | case OSP:
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320 | StartOspElement(element, attributes);
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321 | break;
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322 | case BVH:
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323 | StartBvhElement(element, attributes);
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324 | break;
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325 | default:
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326 | Debug << "not implemented" << endl;
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327 | break;
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328 | }
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329 | }
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330 |
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331 |
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332 | void ViewCellsParseHandlers::StartViewCellHierarchyElement(const std::string &element,
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333 | AttributeList& attributes)
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334 | {
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335 | // interiors + leaves interpreted view cells else
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336 | if (element == "Interior")
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337 | {
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338 | Debug << "[";
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339 | StartViewCellInterior(attributes);
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340 | }
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341 |
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342 | if (element == "Leaf")
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343 | {
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344 | Debug << "l";
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345 | StartViewCellLeaf(attributes);
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346 | }
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347 | }
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348 |
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349 |
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350 | void ViewCellsParseHandlers::startElement(const XMLCh* const name,
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351 | AttributeList& attributes)
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352 | {
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353 | StrX lname(name);
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354 | string element(lname.LocalForm());
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355 |
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356 | if (element == "ViewCells")
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357 | {
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358 | cout << "\nparsing view cells" << endl;
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359 |
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360 | mCurrentState = PARSE_VIEWCELLS;
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361 |
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362 | // create new view cells hierarchy
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363 | mViewCellsTree = new ViewCellsTree();
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364 | }
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365 |
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366 | // decides about the view cells manager type
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367 | if (element == "Hierarchy")
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368 | {
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369 | cout << "parsing view cells manager type" << endl;
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370 | StartHierarchy(attributes);
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371 | }
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372 |
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373 | // decides about the view cell hierarchy
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374 | if (element == "ViewSpaceHierarchy")
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375 | {
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376 | cout << "\nparsing view space hierarchy" << endl;
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377 | mCurrentState = PARSE_VIEWSPACE_HIERARCHY;
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378 | StartViewSpaceHierarchy(attributes);
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379 | }
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380 |
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381 | // decides about the view cell hierarchy
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382 | if (element == "ObjectSpaceHierarchy")
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383 | {
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384 | cout << "\nparsing object space hierarchy" << endl;
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385 | mCurrentState = PARSE_OBJECTSPACE_HIERARCHY;
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386 | StartObjectSpaceHierarchy(attributes);
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387 | }
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388 |
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389 | // decides the used view cell hierarchy
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390 | if (element == "BoundingBox")
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391 | {
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392 | Debug << "b";
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393 | StartBoundingBox(attributes);
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394 | }
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395 |
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396 | // parse view space hierarchy
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397 | switch (mCurrentState)
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398 | {
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399 | case PARSE_VIEWSPACE_HIERARCHY:
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400 | StartViewSpaceHierarchyElement(element, attributes);
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401 | break;
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402 | case PARSE_OBJECTSPACE_HIERARCHY:
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403 | StartObjectSpaceHierarchyElement(element, attributes);
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404 | break;
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405 | case PARSE_VIEWCELLS:
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406 | StartViewCellHierarchyElement(element, attributes);
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407 | break;
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408 | default:
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409 | break;
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410 | }
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411 |
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412 | ++ mElementCount;
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413 | mAttrCount += attributes.getLength();
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414 | }
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415 |
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416 |
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417 | void ViewCellsParseHandlers::StartViewCell(ViewCell *viewCell,
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418 | AttributeList& attributes)
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419 | {
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420 | int len = attributes.getLength();
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421 | vector<int> objIndices;
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422 |
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423 | for (int i = 0; i < len; ++ i)
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424 | {
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425 | string attrName(StrX(attributes.getName(i)).LocalForm());
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426 |
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427 | if (attrName == "pvs")
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428 | {
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429 | StrX attrValue(attributes.getValue(i));
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430 |
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431 | // handle coordIndex
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432 | objIndices.clear();
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433 | const char *ptr = attrValue.LocalForm();
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434 | char *endptr;
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435 |
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436 | while (1)
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437 | {
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438 | int index = strtol(ptr, &endptr, 10);
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439 |
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440 | if (ptr == endptr)
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441 | break;
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442 |
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443 | objIndices.push_back(index);
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444 |
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445 | ptr = endptr;
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446 | }
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447 |
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448 | //TODO: find objects and add them to pvs
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449 | // TODO: get view cell with specified id
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450 | MeshInstance dummyInst(NULL);
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451 |
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452 | vector<int>::const_iterator it, it_end = objIndices.end();
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453 | for (it = objIndices.begin(); it != it_end; ++ it)
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454 | {
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455 | const int objId = *it;
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456 | dummyInst.SetId(objId);
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457 |
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458 | ObjectContainer::iterator oit =
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459 | lower_bound(mObjects->begin(), mObjects->end(), (Intersectable *)&dummyInst, ilt);
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460 |
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461 | if ((oit != mObjects->end()) && ((*oit)->GetId() == objId))
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462 | {
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463 | // $$JB we should store a float a per object which corresponds
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464 | // to sumof pdfs, i.e. its relative visibility
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465 | // temporarily set to 1.0f
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466 | viewCell->GetPvs().AddSample(*oit, 1.0f);
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467 | }
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468 | else
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469 | {
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470 | Debug << "error: object with id " << objId << " does not exist" << endl;
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471 | }
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472 | }
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473 | }
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474 | else if (attrName == "id")
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475 | {
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476 | StrX attrValue(attributes.getValue(i));
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477 |
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478 | const char *ptr = attrValue.LocalForm();
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479 | char *endptr = NULL;
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480 | const int id = strtol(ptr, &endptr, 10);
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481 |
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482 | viewCell->SetId(id);
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483 | }
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484 | /*else if (attrName == "active")
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485 | {
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486 | StrX attrValue(attributes.getValue(i));
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487 |
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488 | const char *ptr = attrValue.LocalForm();
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489 | char *endptr = NULL;
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490 | const bool isActive = (bool)strtol(ptr, &endptr, 10);
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491 |
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492 | if (isActive)
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493 | viewCell->SetActive();
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494 | }*/
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495 | else if (attrName == "mergecost")
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496 | {
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497 | StrX attrValue(attributes.getValue(i));
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498 |
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499 | const char *ptr = attrValue.LocalForm();
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500 | char *endptr = NULL;
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501 | const float cost = (float)strtod(ptr, &endptr);
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502 |
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503 | viewCell->SetMergeCost(cost);
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504 | }
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505 | }
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506 | }
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507 |
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508 |
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509 | void ViewCellsParseHandlers::StartViewSpaceHierarchy(AttributeList& attributes)
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510 | {
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511 | int len = attributes.getLength();
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512 |
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513 | Vector3 bmin, bmax;
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514 |
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515 | for (int i = 0; i < len; ++ i)
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516 | {
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517 | string attrName(StrX(attributes.getName(i)).LocalForm());
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518 | StrX attrValue(attributes.getValue(i));
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519 | const char *ptr = attrValue.LocalForm();
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520 |
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521 | // hierarchy type
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522 | if (attrName == "type")
|
---|
523 | {
|
---|
524 | if (strcmp(ptr, "bsp") == 0)
|
---|
525 | {
|
---|
526 | cout << "view space hierarchy: Bsp" << endl;
|
---|
527 | mViewSpaceHierarchyType = BSP;
|
---|
528 | }
|
---|
529 | else if (strcmp(ptr, "vsp") == 0)
|
---|
530 | {
|
---|
531 | Debug << "view space hierarchy: Vsp" << endl;
|
---|
532 | mViewSpaceHierarchyType = VSP;
|
---|
533 | }
|
---|
534 | }
|
---|
535 | else if (attrName == "min") // the view space extent
|
---|
536 | {
|
---|
537 | sscanf(ptr, "%f %f %f",
|
---|
538 | &bmin.x, &bmin.y, &bmin.z);
|
---|
539 | }
|
---|
540 | else if (attrName == "max")
|
---|
541 | {
|
---|
542 | sscanf(ptr, "%f %f %f",
|
---|
543 | &bmax.x, &bmax.y, &bmax.z);
|
---|
544 | }
|
---|
545 | }
|
---|
546 |
|
---|
547 | mViewSpaceBox = AxisAlignedBox3(bmin, bmax);
|
---|
548 |
|
---|
549 | // create the hierarchy based on this information
|
---|
550 | CreateViewSpaceHierarchy();
|
---|
551 | }
|
---|
552 |
|
---|
553 |
|
---|
554 | void ViewCellsParseHandlers::StartObjectSpaceHierarchy(AttributeList& attributes)
|
---|
555 | {
|
---|
556 | int len = attributes.getLength();
|
---|
557 |
|
---|
558 | Vector3 bmin, bmax;
|
---|
559 |
|
---|
560 | for (int i = 0; i < len; ++ i)
|
---|
561 | {
|
---|
562 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
563 | StrX attrValue(attributes.getValue(i));
|
---|
564 | const char *ptr = attrValue.LocalForm();
|
---|
565 |
|
---|
566 | // hierarchy type
|
---|
567 | if (attrName == "type")
|
---|
568 | {
|
---|
569 | if (strcmp(ptr, "osp") == 0)
|
---|
570 | {
|
---|
571 | Debug << "object space hierarchy: Osp" << endl;
|
---|
572 | mHierarchyManager = new HierarchyManager(mVspTree, HierarchyManager::KD_BASED_OBJ_SUBDIV);
|
---|
573 | }
|
---|
574 | else if (strcmp(ptr, "bvh") == 0)
|
---|
575 | {
|
---|
576 | Debug << "object space hierarchy: Bvh" << endl;
|
---|
577 | mHierarchyManager = new HierarchyManager(mVspTree, HierarchyManager::BV_BASED_OBJ_SUBDIV);
|
---|
578 | }
|
---|
579 | }
|
---|
580 | }
|
---|
581 | }
|
---|
582 |
|
---|
583 |
|
---|
584 |
|
---|
585 | void ViewCellsParseHandlers::StartBoundingBox(AttributeList& attributes)
|
---|
586 | {
|
---|
587 | int len = attributes.getLength();
|
---|
588 |
|
---|
589 | Vector3 bmin, bmax;
|
---|
590 | int id;
|
---|
591 |
|
---|
592 | for (int i = 0; i < len; ++ i)
|
---|
593 | {
|
---|
594 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
595 | StrX attrValue(attributes.getValue(i));
|
---|
596 | const char *ptr = attrValue.LocalForm();
|
---|
597 |
|
---|
598 |
|
---|
599 | if (attrName == "id")
|
---|
600 | {
|
---|
601 | sscanf(ptr, "%d", &id);
|
---|
602 | }
|
---|
603 | if (attrName == "min")
|
---|
604 | {
|
---|
605 | sscanf(ptr, "%f %f %f", &bmin.x, &bmin.y, &bmin.z);
|
---|
606 | }
|
---|
607 | else if (attrName == "max")
|
---|
608 | {
|
---|
609 | sscanf(ptr, "%f %f %f", &bmax.x, &bmax.y, &bmax.z);
|
---|
610 | }
|
---|
611 | }
|
---|
612 |
|
---|
613 | AxisAlignedBox3 box(bmin, bmax);
|
---|
614 | mIBoundingBoxes.push_back(IndexedBoundingBox(id, box));
|
---|
615 | //cout << "bbox: " << box << endl;
|
---|
616 | }
|
---|
617 |
|
---|
618 |
|
---|
619 | void ViewCellsParseHandlers::StartBspLeaf(AttributeList& attributes)
|
---|
620 | {
|
---|
621 | BspLeaf * leaf =
|
---|
622 | new BspLeaf(dynamic_cast<BspInterior *>(mCurrentBspNode), NULL);
|
---|
623 |
|
---|
624 | if (mCurrentBspNode) // replace front or (if not NULL) back child
|
---|
625 | {
|
---|
626 | dynamic_cast<BspInterior *>(mCurrentBspNode)->ReplaceChildLink(NULL, leaf);
|
---|
627 | }
|
---|
628 | else
|
---|
629 | {
|
---|
630 | mVspBspTree->mRoot = leaf;
|
---|
631 | }
|
---|
632 |
|
---|
633 | //-- find associated view cell
|
---|
634 |
|
---|
635 | int viewCellId;
|
---|
636 |
|
---|
637 | int len = attributes.getLength();
|
---|
638 |
|
---|
639 | for (int i = 0; i < len; ++ i)
|
---|
640 | {
|
---|
641 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
642 | StrX attrValue(attributes.getValue(i));
|
---|
643 |
|
---|
644 | const char *ptr = attrValue.LocalForm();
|
---|
645 | char *endptr = NULL;
|
---|
646 |
|
---|
647 | if (attrName == "viewCellId")
|
---|
648 | {
|
---|
649 | viewCellId = strtol(ptr, &endptr, 10);
|
---|
650 | }
|
---|
651 | }
|
---|
652 |
|
---|
653 |
|
---|
654 | if (viewCellId >= 0) // valid view cell found
|
---|
655 | {
|
---|
656 | // TODO: get view cell with specified id
|
---|
657 | ViewCellInterior dummyVc;
|
---|
658 | dummyVc.SetId(viewCellId);
|
---|
659 |
|
---|
660 | ViewCellContainer::iterator vit =
|
---|
661 | lower_bound(mViewCells.begin(), mViewCells.end(), &dummyVc, vlt);
|
---|
662 |
|
---|
663 | BspViewCell *viewCell = dynamic_cast<BspViewCell *>(*vit);
|
---|
664 |
|
---|
665 | if (viewCell->GetId() == viewCellId)
|
---|
666 | {
|
---|
667 | leaf->SetViewCell(viewCell);
|
---|
668 | viewCell->mLeaf = leaf;
|
---|
669 | }
|
---|
670 | else
|
---|
671 | {
|
---|
672 | Debug << "error: view cell does not exist" << endl;
|
---|
673 | }
|
---|
674 | }
|
---|
675 | else
|
---|
676 | {
|
---|
677 | // add to invalid view space
|
---|
678 | if (mViewSpaceHierarchyType== ViewCellsManager::VSP_BSP)
|
---|
679 | {
|
---|
680 | leaf->SetViewCell(mVspBspTree->GetOrCreateOutOfBoundsCell());
|
---|
681 | leaf->SetTreeValid(false);
|
---|
682 | mVspBspTree->PropagateUpValidity(leaf);
|
---|
683 | }
|
---|
684 | }
|
---|
685 | }
|
---|
686 |
|
---|
687 |
|
---|
688 | void ViewCellsParseHandlers::StartBspInterior(AttributeList& attributes)
|
---|
689 | {
|
---|
690 | Plane3 plane;
|
---|
691 | int len = attributes.getLength();
|
---|
692 |
|
---|
693 | for (int i = 0; i < len; ++ i)
|
---|
694 | {
|
---|
695 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
696 | StrX attrValue(attributes.getValue(i));
|
---|
697 | const char *ptr = attrValue.LocalForm();
|
---|
698 |
|
---|
699 | if (attrName == "plane")
|
---|
700 | {
|
---|
701 | sscanf(ptr, "%f %f %f %f",
|
---|
702 | &plane.mNormal.x, &plane.mNormal.y, &plane.mNormal.z, &plane.mD);
|
---|
703 | }
|
---|
704 | }
|
---|
705 |
|
---|
706 | BspInterior* interior = new BspInterior(plane);
|
---|
707 |
|
---|
708 | if (mCurrentBspNode) // replace NULL child of parent with current node
|
---|
709 | {
|
---|
710 | BspInterior *current = dynamic_cast<BspInterior *>(mCurrentBspNode);
|
---|
711 |
|
---|
712 | current->ReplaceChildLink(NULL, interior);
|
---|
713 | interior->SetParent(current);
|
---|
714 | }
|
---|
715 | else
|
---|
716 | {
|
---|
717 | mVspBspTree->mRoot = interior;
|
---|
718 | }
|
---|
719 |
|
---|
720 | mCurrentBspNode = interior;
|
---|
721 | }
|
---|
722 |
|
---|
723 |
|
---|
724 | void ViewCellsParseHandlers::StartViewCellLeaf(AttributeList& attributes)
|
---|
725 | {
|
---|
726 | BspViewCell *viewCell = new BspViewCell();
|
---|
727 |
|
---|
728 | if (mCurrentViewCell) // replace front or (if not NULL) back child
|
---|
729 | {
|
---|
730 | ViewCellInterior *interior = dynamic_cast<ViewCellInterior *>(mCurrentViewCell);
|
---|
731 | interior->SetupChildLink(viewCell);
|
---|
732 | }
|
---|
733 | else // root
|
---|
734 | {
|
---|
735 | mViewCellsTree->SetRoot(viewCell);
|
---|
736 | }
|
---|
737 |
|
---|
738 | StartViewCell(viewCell, attributes);
|
---|
739 |
|
---|
740 | // collect leaves
|
---|
741 | mViewCells.push_back(viewCell);
|
---|
742 | }
|
---|
743 |
|
---|
744 |
|
---|
745 | void ViewCellsParseHandlers::StartViewCellInterior(AttributeList& attributes)
|
---|
746 | {
|
---|
747 | ViewCellInterior* interior = new ViewCellInterior();
|
---|
748 |
|
---|
749 | if (mCurrentViewCell) // replace NULL child of parent with current node
|
---|
750 | {
|
---|
751 | ViewCellInterior *current = dynamic_cast<ViewCellInterior *>(mCurrentViewCell);
|
---|
752 |
|
---|
753 | current->SetupChildLink(interior);
|
---|
754 | }
|
---|
755 | else
|
---|
756 | {
|
---|
757 | mViewCellsTree->SetRoot(interior);
|
---|
758 | }
|
---|
759 |
|
---|
760 | mCurrentViewCell = interior;
|
---|
761 |
|
---|
762 | StartViewCell(interior, attributes);
|
---|
763 | }
|
---|
764 |
|
---|
765 |
|
---|
766 | void ViewCellsParseHandlers::CreateViewSpaceHierarchy()
|
---|
767 | {
|
---|
768 | if (mViewSpaceHierarchyType == BSP)
|
---|
769 | {
|
---|
770 | cout << "hierarchy type: Bsp" << endl;
|
---|
771 |
|
---|
772 | mVspBspTree = new VspBspTree();
|
---|
773 |
|
---|
774 | // set view space box
|
---|
775 | mVspBspTree->mBox = mViewSpaceBox;
|
---|
776 | }
|
---|
777 | else if (mViewSpaceHierarchyType == VSP)
|
---|
778 | {
|
---|
779 | cout << "hierarchy type: Vsp" << endl;
|
---|
780 |
|
---|
781 | mVspTree = new VspTree();
|
---|
782 |
|
---|
783 | // set view space box
|
---|
784 | mVspTree->mBoundingBox = mViewSpaceBox;
|
---|
785 |
|
---|
786 | // object space hierarchy already constructed
|
---|
787 | if (mHierarchyManager)
|
---|
788 | {
|
---|
789 | mHierarchyManager->mVspTree = mVspTree;
|
---|
790 | mVspTree->mHierarchyManager = mHierarchyManager;
|
---|
791 | }
|
---|
792 | }
|
---|
793 |
|
---|
794 | cout << "\nview space box: " << mViewSpaceBox << endl;
|
---|
795 | }
|
---|
796 |
|
---|
797 |
|
---|
798 | void ViewCellsParseHandlers::CreateViewCellsManager(/*const char *name*/)
|
---|
799 | {
|
---|
800 | if (mViewSpaceHierarchyType == BSP) //
|
---|
801 | {
|
---|
802 | Debug << "creating view cells manager: VspBsp" << endl;
|
---|
803 |
|
---|
804 | //mVspBspTree = new VspBspTree();
|
---|
805 | mViewCellsManager = new VspBspViewCellsManager(mViewCellsTree, mVspBspTree);
|
---|
806 | }
|
---|
807 | else if (mViewSpaceHierarchyType == VSP)
|
---|
808 | {
|
---|
809 | Debug << "creating view cells manager: VspOsp" << endl;
|
---|
810 |
|
---|
811 | // hack
|
---|
812 | mViewCellsManager = new VspOspViewCellsManager(mViewCellsTree, mHierarchyManager);
|
---|
813 | }
|
---|
814 |
|
---|
815 | mViewCellsManager->SetViewSpaceBox(mViewSpaceBox);
|
---|
816 | }
|
---|
817 |
|
---|
818 |
|
---|
819 | void ViewCellsParseHandlers::characters(const XMLCh* const chars,
|
---|
820 | const unsigned int length)
|
---|
821 | {
|
---|
822 | mCharacterCount += length;
|
---|
823 | }
|
---|
824 |
|
---|
825 |
|
---|
826 | void ViewCellsParseHandlers::ignorableWhitespace(const XMLCh* const chars,
|
---|
827 | const unsigned int length)
|
---|
828 | {
|
---|
829 | mSpaceCount += length;
|
---|
830 | }
|
---|
831 |
|
---|
832 |
|
---|
833 | void ViewCellsParseHandlers::resetDocument()
|
---|
834 | {
|
---|
835 | mAttrCount = 0;
|
---|
836 | mCharacterCount = 0;
|
---|
837 | mElementCount = 0;
|
---|
838 | mSpaceCount = 0;
|
---|
839 | }
|
---|
840 |
|
---|
841 |
|
---|
842 | void ViewCellsParseHandlers::StartVspLeaf(AttributeList& attributes)
|
---|
843 | {
|
---|
844 | VspLeaf * leaf =
|
---|
845 | new VspLeaf(dynamic_cast<VspInterior *>(mCurrentVspNode), NULL);
|
---|
846 |
|
---|
847 | if (mCurrentVspNode) // replace front or (if not NULL) back child
|
---|
848 | {
|
---|
849 | dynamic_cast<VspInterior *>(mCurrentVspNode)->ReplaceChildLink(NULL, leaf);
|
---|
850 | }
|
---|
851 | else
|
---|
852 | {
|
---|
853 | mVspTree->mRoot = leaf;
|
---|
854 | }
|
---|
855 |
|
---|
856 | //-- find associated view cell
|
---|
857 | int viewCellId;
|
---|
858 |
|
---|
859 | int len = attributes.getLength();
|
---|
860 |
|
---|
861 | for (int i = 0; i < len; ++ i)
|
---|
862 | {
|
---|
863 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
864 | StrX attrValue(attributes.getValue(i));
|
---|
865 |
|
---|
866 | const char *ptr = attrValue.LocalForm();
|
---|
867 | char *endptr = NULL;
|
---|
868 |
|
---|
869 | if (attrName == "viewCellId")
|
---|
870 | {
|
---|
871 | viewCellId = strtol(ptr, &endptr, 10);
|
---|
872 | }
|
---|
873 | }
|
---|
874 |
|
---|
875 | if (viewCellId >= 0) // valid view cell
|
---|
876 | {
|
---|
877 | // TODO: get view cell with specified id
|
---|
878 | ViewCellInterior dummyVc;
|
---|
879 | dummyVc.SetId(viewCellId);
|
---|
880 |
|
---|
881 | ViewCellContainer::iterator vit =
|
---|
882 | lower_bound(mViewCells.begin(), mViewCells.end(), &dummyVc, vlt);
|
---|
883 |
|
---|
884 | VspViewCell *viewCell = dynamic_cast<VspViewCell *>(*vit);
|
---|
885 |
|
---|
886 | if (viewCell->GetId() == viewCellId)
|
---|
887 | {
|
---|
888 | leaf->SetViewCell(viewCell);
|
---|
889 | viewCell->mLeaf = leaf;
|
---|
890 | }
|
---|
891 | else
|
---|
892 | {
|
---|
893 | Debug << "error: view cell does not exist" << endl;
|
---|
894 | }
|
---|
895 | }
|
---|
896 | else
|
---|
897 | {
|
---|
898 | // add to invalid view space
|
---|
899 | leaf->SetViewCell(mVspTree->GetOrCreateOutOfBoundsCell());
|
---|
900 | leaf->SetTreeValid(false);
|
---|
901 | mVspTree->PropagateUpValidity(leaf);
|
---|
902 | }
|
---|
903 | }
|
---|
904 |
|
---|
905 |
|
---|
906 | void ViewCellsParseHandlers::StartVspInterior(AttributeList& attributes)
|
---|
907 | {
|
---|
908 | AxisAlignedPlane plane;
|
---|
909 | int len = attributes.getLength();
|
---|
910 |
|
---|
911 | for (int i = 0; i < len; ++ i)
|
---|
912 | {
|
---|
913 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
914 | StrX attrValue(attributes.getValue(i));
|
---|
915 | const char *ptr = attrValue.LocalForm();
|
---|
916 |
|
---|
917 | if (attrName == "plane")
|
---|
918 | {
|
---|
919 | sscanf(ptr, "%d %f",
|
---|
920 | &plane.mAxis, &plane.mPosition);
|
---|
921 | }
|
---|
922 | }
|
---|
923 |
|
---|
924 | VspInterior* interior = new VspInterior(plane);
|
---|
925 |
|
---|
926 | if (mCurrentVspNode) // replace NULL child of parent with current node
|
---|
927 | {
|
---|
928 | VspInterior *current = dynamic_cast<VspInterior *>(mCurrentVspNode);
|
---|
929 |
|
---|
930 | current->ReplaceChildLink(NULL, interior);
|
---|
931 | interior->SetParent(current);
|
---|
932 | }
|
---|
933 | else
|
---|
934 | {
|
---|
935 | mVspTree->mRoot = interior;
|
---|
936 | }
|
---|
937 |
|
---|
938 | mCurrentVspNode = interior;
|
---|
939 | }
|
---|
940 |
|
---|
941 |
|
---|
942 | void ViewCellsParseHandlers::StartOspInterior(AttributeList& attributes)
|
---|
943 | {
|
---|
944 | AxisAlignedPlane plane;
|
---|
945 | int len = attributes.getLength();
|
---|
946 |
|
---|
947 | for (int i = 0; i < len; ++ i)
|
---|
948 | {
|
---|
949 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
950 | StrX attrValue(attributes.getValue(i));
|
---|
951 | const char *ptr = attrValue.LocalForm();
|
---|
952 |
|
---|
953 | if (attrName == "plane")
|
---|
954 | {
|
---|
955 | sscanf(ptr, "%d %f",
|
---|
956 | &plane.mAxis, &plane.mPosition);
|
---|
957 | }
|
---|
958 | }
|
---|
959 |
|
---|
960 | KdInterior* interior = new KdInterior(NULL);
|
---|
961 |
|
---|
962 | interior->mAxis = plane.mAxis;
|
---|
963 | interior->mPosition = plane.mPosition;
|
---|
964 |
|
---|
965 | if (mCurrentKdNode) // replace NULL child of parent with current node
|
---|
966 | {
|
---|
967 | KdInterior *parent = dynamic_cast<KdInterior *>(mCurrentKdNode);
|
---|
968 | parent->ReplaceChildLink(NULL, interior);
|
---|
969 | interior->mParent = parent;
|
---|
970 | }
|
---|
971 | else
|
---|
972 | {
|
---|
973 | mHierarchyManager->mOspTree->mRoot = interior;
|
---|
974 | }
|
---|
975 |
|
---|
976 | mCurrentKdNode = interior;
|
---|
977 | }
|
---|
978 |
|
---|
979 |
|
---|
980 | void ViewCellsParseHandlers::StartOspLeaf(AttributeList& attributes)
|
---|
981 | {
|
---|
982 | KdLeaf * leaf =
|
---|
983 | new KdLeaf(dynamic_cast<KdInterior *>(mCurrentKdNode), NULL);
|
---|
984 |
|
---|
985 | if (mCurrentKdNode) // replace front or (if not NULL) back child
|
---|
986 | {
|
---|
987 | dynamic_cast<KdInterior *>(mCurrentKdNode)->ReplaceChildLink(NULL, leaf);
|
---|
988 | }
|
---|
989 | else
|
---|
990 | {
|
---|
991 | mHierarchyManager->mOspTree->mRoot = leaf;
|
---|
992 | }
|
---|
993 | }
|
---|
994 |
|
---|
995 |
|
---|
996 | void ViewCellsParseHandlers::StartBvhLeaf(AttributeList& attributes)
|
---|
997 | {/*
|
---|
998 | KdLeaf * leaf =
|
---|
999 | new KdLeaf(dynamic_cast<KdInterior *>(mCurrentKdNode), NULL);
|
---|
1000 |
|
---|
1001 | if (mCurrentKdNode) // replace front or (if not NULL) back child
|
---|
1002 | {
|
---|
1003 | dynamic_cast<KdInterior *>(mCurrentKdNode)->ReplaceChildLink(NULL, leaf);
|
---|
1004 | }
|
---|
1005 | else
|
---|
1006 | {
|
---|
1007 | mHierarchyManager->mBvHierarchy->mRoot = leaf;
|
---|
1008 | }*/
|
---|
1009 | }
|
---|
1010 |
|
---|
1011 |
|
---|
1012 | void ViewCellsParseHandlers::StartBvhInterior(AttributeList& attributes)
|
---|
1013 | {/*
|
---|
1014 | AxisAlignedPlane plane;
|
---|
1015 | int len = attributes.getLength();
|
---|
1016 |
|
---|
1017 | for (int i = 0; i < len; ++ i)
|
---|
1018 | {
|
---|
1019 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
1020 | StrX attrValue(attributes.getValue(i));
|
---|
1021 | const char *ptr = attrValue.LocalForm();
|
---|
1022 |
|
---|
1023 | if (attrName == "plane")
|
---|
1024 | {
|
---|
1025 | sscanf(ptr, "%d %f",
|
---|
1026 | &plane.mAxis, &plane.mPosition);
|
---|
1027 | }
|
---|
1028 | }
|
---|
1029 |
|
---|
1030 | KdInterior* interior = new KdInterior(NULL);
|
---|
1031 |
|
---|
1032 | interior->mAxis = plane.mAxis;
|
---|
1033 | interior->mPosition = plane.mPosition;
|
---|
1034 |
|
---|
1035 | if (mCurrentKdNode) // replace NULL child of parent with current node
|
---|
1036 | {
|
---|
1037 | KdInterior *parent = dynamic_cast<KdInterior *>(mCurrentKdNode);
|
---|
1038 | parent->ReplaceChildLink(NULL, interior);
|
---|
1039 | interior->mParent = parent;
|
---|
1040 | }
|
---|
1041 | else
|
---|
1042 | {
|
---|
1043 | mOspTree->mRoot = interior;
|
---|
1044 | }
|
---|
1045 |
|
---|
1046 | mCurrentKdNode = interior;*/
|
---|
1047 | }
|
---|
1048 |
|
---|
1049 |
|
---|
1050 |
|
---|
1051 | // ---------------------------------------------------------------------------
|
---|
1052 | // StdInParseHandlers: Overrides of the SAX ErrorHandler interface
|
---|
1053 | // ---------------------------------------------------------------------------
|
---|
1054 |
|
---|
1055 |
|
---|
1056 | void
|
---|
1057 | ViewCellsParseHandlers::error(const SAXParseException& e)
|
---|
1058 | {
|
---|
1059 | XERCES_STD_QUALIFIER cerr << "\nError at (file " << StrX(e.getSystemId())
|
---|
1060 | << ", line " << e.getLineNumber()
|
---|
1061 | << ", char " << e.getColumnNumber()
|
---|
1062 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1063 | }
|
---|
1064 |
|
---|
1065 | void
|
---|
1066 | ViewCellsParseHandlers::fatalError(const SAXParseException& e)
|
---|
1067 | {
|
---|
1068 | XERCES_STD_QUALIFIER cerr << "\nFatal Error at (file " << StrX(e.getSystemId())
|
---|
1069 | << ", line " << e.getLineNumber()
|
---|
1070 | << ", char " << e.getColumnNumber()
|
---|
1071 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1072 | }
|
---|
1073 |
|
---|
1074 | void
|
---|
1075 | ViewCellsParseHandlers::warning(const SAXParseException& e)
|
---|
1076 | {
|
---|
1077 | XERCES_STD_QUALIFIER cerr << "\nWarning at (file " << StrX(e.getSystemId())
|
---|
1078 | << ", line " << e.getLineNumber()
|
---|
1079 | << ", char " << e.getColumnNumber()
|
---|
1080 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1081 | }
|
---|
1082 |
|
---|
1083 |
|
---|
1084 | bool ViewCellsParser::ParseViewCellsFile(const string filename,
|
---|
1085 | ViewCellsManager **viewCells,
|
---|
1086 | ObjectContainer *objects,
|
---|
1087 | BoundingBoxConverter *bconverter)
|
---|
1088 | {
|
---|
1089 | // Initialize the XML4C system
|
---|
1090 | try {
|
---|
1091 | XMLPlatformUtils::Initialize();
|
---|
1092 | }
|
---|
1093 |
|
---|
1094 | catch (const XMLException& toCatch)
|
---|
1095 | {
|
---|
1096 | XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
|
---|
1097 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1098 | return false;
|
---|
1099 | }
|
---|
1100 |
|
---|
1101 | //
|
---|
1102 | // Create a SAX parser object. Then, according to what we were told on
|
---|
1103 | // the command line, set the options.
|
---|
1104 | //
|
---|
1105 | SAXParser* parser = new SAXParser;
|
---|
1106 | parser->setValidationScheme(valScheme);
|
---|
1107 | parser->setDoNamespaces(doNamespaces);
|
---|
1108 | parser->setDoSchema(doSchema);
|
---|
1109 | parser->setValidationSchemaFullChecking(schemaFullChecking);
|
---|
1110 |
|
---|
1111 |
|
---|
1112 | //
|
---|
1113 | // Create our SAX handler object and install it on the parser, as the
|
---|
1114 | // document and error handler. We are responsible for cleaning them
|
---|
1115 | // up, but since its just stack based here, there's nothing special
|
---|
1116 | // to do.
|
---|
1117 | //
|
---|
1118 | ViewCellsParseHandlers handler(objects, bconverter);
|
---|
1119 | parser->setDocumentHandler(&handler);
|
---|
1120 | parser->setErrorHandler(&handler);
|
---|
1121 |
|
---|
1122 | unsigned long duration;
|
---|
1123 | int errorCount = 0;
|
---|
1124 | // create a faux scope so that 'src' destructor is called before
|
---|
1125 | // XMLPlatformUtils::Terminate
|
---|
1126 | {
|
---|
1127 | //
|
---|
1128 | // Kick off the parse and catch any exceptions. Create a standard
|
---|
1129 | // input input source and tell the parser to parse from that.
|
---|
1130 | //
|
---|
1131 | // StdInInputSource src;
|
---|
1132 | try
|
---|
1133 | {
|
---|
1134 | const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
1135 |
|
---|
1136 | #if USE_GZLIB
|
---|
1137 | XMLCh *myFilePath = XMLString::transcode(filename.c_str());
|
---|
1138 |
|
---|
1139 | GzFileInputSource isource(myFilePath);
|
---|
1140 | parser->parse(isource);
|
---|
1141 | #else
|
---|
1142 | parser->parse(filename.c_str());
|
---|
1143 | #endif
|
---|
1144 |
|
---|
1145 | const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
1146 | duration = endMillis - startMillis;
|
---|
1147 | errorCount = parser->getErrorCount();
|
---|
1148 | }
|
---|
1149 | catch (const OutOfMemoryException&)
|
---|
1150 | {
|
---|
1151 | XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
|
---|
1152 | errorCount = 2;
|
---|
1153 | return false;
|
---|
1154 | }
|
---|
1155 | catch (const XMLException& e)
|
---|
1156 | {
|
---|
1157 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: \n"
|
---|
1158 | << StrX(e.getMessage())
|
---|
1159 | << "\n" << XERCES_STD_QUALIFIER endl;
|
---|
1160 | errorCount = 1;
|
---|
1161 | return false;
|
---|
1162 | }
|
---|
1163 |
|
---|
1164 |
|
---|
1165 | // Print out the stats that we collected and time taken
|
---|
1166 | if (!errorCount) {
|
---|
1167 | XERCES_STD_QUALIFIER cerr << filename << ": " << duration << " ms ("
|
---|
1168 | << handler.GetElementCount() << " elems, "
|
---|
1169 | << handler.GetAttrCount() << " attrs, "
|
---|
1170 | << handler.GetSpaceCount() << " spaces, "
|
---|
1171 | << handler.GetCharacterCount() << " chars)" << XERCES_STD_QUALIFIER endl;
|
---|
1172 | }
|
---|
1173 | }
|
---|
1174 |
|
---|
1175 | //
|
---|
1176 | // Delete the parser itself. Must be done prior to calling Terminate, below.
|
---|
1177 | //
|
---|
1178 | delete parser;
|
---|
1179 |
|
---|
1180 | XMLPlatformUtils::Terminate();
|
---|
1181 |
|
---|
1182 | //-- assign new view cells manager
|
---|
1183 | *viewCells = handler.mViewCellsManager;
|
---|
1184 |
|
---|
1185 | if (errorCount > 0)
|
---|
1186 | return false;
|
---|
1187 | else
|
---|
1188 | return true;
|
---|
1189 | }
|
---|
1190 |
|
---|
1191 | } |
---|