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