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 | #include <xercesc/util/PlatformUtils.hpp>
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8 |
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9 | // ---------------------------------------------------------------------------
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10 | // Includes
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11 | // ---------------------------------------------------------------------------
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12 | #include <xercesc/framework/StdInInputSource.hpp>
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13 | #include <xercesc/parsers/SAXParser.hpp>
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14 | #include <xercesc/util/OutOfMemoryException.hpp>
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15 |
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16 | // ---------------------------------------------------------------------------
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17 | // Includes
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18 | // ---------------------------------------------------------------------------
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19 | #include <xercesc/sax/AttributeList.hpp>
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20 | #include <xercesc/sax/SAXParseException.hpp>
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21 | #include <xercesc/sax/SAXException.hpp>
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22 |
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23 | #include "ViewCellsParser.h"
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24 |
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25 | #include "ViewCellsParserXerces.h"
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26 | #include "Mesh.h"
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27 | #include "VspBspTree.h"
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28 | #include "ViewCellBsp.h"
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29 | #include "ViewCellsManager.h"
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30 | #include "GzFileInputSource.h"
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31 | #include "OspTree.h"
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32 | #include "VspTree.h"
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33 | #include "KdTree.h"
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34 | #include "BvHierarchy.h"
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35 | #include "HierarchyManager.h"
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36 |
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37 |
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38 | using namespace std;
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39 |
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40 | namespace GtpVisibilityPreprocessor {
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41 |
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42 |
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43 | // ---------------------------------------------------------------------------
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44 | // Local data
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45 | //
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46 | // doNamespaces
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47 | // Indicates whether namespace processing should be enabled or not.
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48 | // The default is no, but -n overrides that.
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49 | //
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50 | // doSchema
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51 | // Indicates whether schema processing should be enabled or not.
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52 | // The default is no, but -s overrides that.
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53 | //
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54 | // schemaFullChecking
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55 | // Indicates whether full schema constraint checking should be enabled or not.
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56 | // The default is no, but -s overrides that.
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57 | //
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58 | // valScheme
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59 | // Indicates what validation scheme to use. It defaults to 'auto', but
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60 | // can be set via the -v= command.
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61 | // ---------------------------------------------------------------------------
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62 | static bool doNamespaces = false;
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63 | static bool doSchema = false;
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64 | static bool schemaFullChecking = false;
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65 | static SAXParser::ValSchemes valScheme = SAXParser::Val_Auto;
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66 |
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67 | // hack for loading bvh nodes
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68 | #define PVS_HACK 0
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69 | #define USE_HASH_COMPARE 1
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70 |
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71 |
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72 | inline static bool ilt(Intersectable *obj1, Intersectable *obj2)
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73 | {
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74 | return obj1->mId < obj2->mId;
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75 | }
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76 |
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77 |
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78 | // ---------------------------------------------------------------------------
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79 | // StdInParseHandlers: Constructors and Destructor
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80 | // ---------------------------------------------------------------------------
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81 | ViewCellsParseHandlers::ViewCellsParseHandlers(ObjectContainer &pvsObjects,
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82 | ObjectContainer &preprocessorObjects,
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83 | BoundingBoxConverter *bconverter
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84 | ):
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85 | mElementCount(0)
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86 | , mAttrCount(0)
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87 | , mCharacterCount(0)
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88 | , mSpaceCount(0)
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89 | , mViewCellsManager(NULL)
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90 | , mVspBspTree(NULL)
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91 | , mBspTree(NULL)
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92 | , mViewCellsTree(NULL)
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93 | , mCurrentState(PARSE_OPTIONS)
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94 | , mCurrentViewCell(NULL)
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95 | , mCurrentBspNode(NULL)
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96 | , mCurrentVspNode(NULL)
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97 | , mCurrentOspNode(NULL)
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98 | , mCurrentBvhNode(NULL)
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99 | , mPvsObjects(pvsObjects)
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100 | , mPreprocessorObjects(preprocessorObjects)
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101 | , mBoundingBoxConverter(bconverter)
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102 | , mHierarchyManager(NULL)
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103 | , nViewCells(0)
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104 | , nObjects(0)
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105 | {
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106 | }
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107 |
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108 |
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109 | ViewCellsParseHandlers::~ViewCellsParseHandlers()
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110 | {
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111 | }
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112 |
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113 |
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114 | void ViewCellsParseHandlers::CreateHashVector()
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115 | {
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116 | ObjectContainer::const_iterator oit, oit_end = mPvsObjects.end();
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117 |
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118 | for (oit = mPvsObjects.begin(); oit != oit_end; ++ oit)
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119 | {
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120 | mHashPvs[(*oit)->GetId()] = (*oit);
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121 | }
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122 | //Debug<<"\nhsize: " << mHashPvs.size() << endl;
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123 | }
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124 | /*
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125 | void ViewCellsParseHandlers::CreateHashVector2()
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126 | {
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127 | ObjectContainer::const_iterator oit, oit_end = mPvsObjects.end();
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128 |
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129 | for (oit = mPvsObjects.begin(); oit != oit_end; ++ oit)
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130 | {
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131 | mHashPvs[(*oit)->GetId()] = (*oit);
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132 | }
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133 | Debug<<"\nhsize: " << mHashPvs.size() << endl;
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134 | }
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135 | */
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136 | // ---------------------------------------------------------------------------
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137 | // StdInParseHandlers: Implementation of the SAX DocumentHandler interface
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138 | // ---------------------------------------------------------------------------
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139 |
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140 |
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141 | void ViewCellsParseHandlers::endElement(const XMLCh* const name)
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142 | {
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143 | StrX lname(name);
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144 | string element(lname.LocalForm());
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145 |
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146 | if (element == "BoundingBoxes")
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147 | {
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148 | EndBoundingBoxes();
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149 | }
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150 | else if (element == "ViewCells")
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151 | {
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152 | EndViewCells();
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153 | Debug << "view cell hierarchy parsed" << endl;
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154 | }
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155 | else if (element == "ObjectSpaceHierarchy")
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156 | {
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157 | EndObjectSpaceHierarchy();
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158 | Debug << "object space hierarchy parsed" << endl;
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159 | mObjectTimer.Exit();
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160 | }
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161 | // finished paring, create view cells manager
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162 | else if (element == "VisibilitySolution")
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163 | {
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164 | CreateViewCellsManager();
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165 |
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166 | Debug << "pvs time: " << mPvsTimer.TotalTime() << endl;
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167 | Debug << "object time: " << mObjectTimer.TotalTime() << endl;
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168 | Debug << "box time: " << mBoxTimer.TotalTime() << endl;
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169 |
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170 | }
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171 | else if (element == "Interior")
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172 | {
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173 | switch (mCurrentState)
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174 | {
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175 | case PARSE_VIEWCELLS:
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176 | EndViewCellInterior();
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177 | break;
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178 | case PARSE_OBJECTSPACE_HIERARCHY:
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179 | EndObjectSpaceHierarchyInterior();
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180 | break;
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181 | case PARSE_VIEWSPACE_HIERARCHY:
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182 | EndViewSpaceHierarchyInterior();
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183 | break;
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184 | default:
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185 | break;
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186 | }
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187 | }
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188 | }
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189 |
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190 |
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191 | void ViewCellsParseHandlers::EndObjectSpaceHierarchy()
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192 | {
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193 | if (mObjectSpaceHierarchyType == OSP)
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194 | {
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195 | // for a spatial subdivision, it is not necessary to store
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196 | // the objects with the leaves, they can be classified geometrically
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197 | mHierarchyManager->mOspTree->
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198 | InsertObjects(mHierarchyManager->mOspTree->mRoot, mPvsObjects);
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199 | }
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200 | }
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201 |
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202 |
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203 | void ViewCellsParseHandlers::EndViewSpaceHierarchyInterior()
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204 | {
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205 | switch (mViewSpaceHierarchyType)
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206 | {
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207 | case BSP:
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208 | EndBspInterior();
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209 | break;
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210 | case VSP:
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211 | EndVspInterior();
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212 | break;
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213 | default:
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214 | Debug << "not implemented view space hierarchy type " << mViewSpaceHierarchyType << endl;
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215 | break;
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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::EndObjectSpaceHierarchyInterior()
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221 | {
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222 | switch (mObjectSpaceHierarchyType)
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223 | {
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224 | case OSP:
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225 | EndOspInterior();
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226 | break;
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227 | case BVH:
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228 | EndBvhInterior();
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229 | break;
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230 | default:
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231 | Debug << "not implemented object space hierarchy type " << mViewSpaceHierarchyType << endl;
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232 | break;
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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::EndBspInterior()
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238 | {
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239 | // go one up in the tree
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240 | if (mCurrentBspNode->GetParent())
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241 | { //cout << "]";
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242 | mCurrentBspNode = mCurrentBspNode->GetParent();
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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::EndBvhInterior()
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248 | {
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249 | // go one up in the tree
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250 | if (mCurrentBvhNode->GetParent())
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251 | { //cout << "]";
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252 | mCurrentBvhNode = mCurrentBvhNode->GetParent();
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253 | }
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254 | }
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255 |
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256 |
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257 | void ViewCellsParseHandlers::EndOspInterior()
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258 | {
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259 | // go one up in the tree
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260 | if (mCurrentOspNode->mParent)
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261 | {
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262 | //cout << "]";
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263 | mCurrentOspNode = mCurrentOspNode->mParent;
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264 | }
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265 | }
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266 |
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267 |
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268 | void ViewCellsParseHandlers::EndVspInterior()
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269 | {
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270 | // go one up in the tree
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271 | if (mCurrentVspNode->GetParent())
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272 | {
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273 | //cout << "]";
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274 | mCurrentVspNode = mCurrentVspNode->GetParent();
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275 | }
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276 | }
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277 |
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278 |
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279 | void ViewCellsParseHandlers::EndViewCellInterior()
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280 | {
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281 | // go one up in the tree
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282 | if (mCurrentViewCell->GetParent())
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283 | {
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284 | //cout << "]";
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285 | mCurrentViewCell = mCurrentViewCell->GetParent();
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286 | }
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287 | }
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288 |
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289 |
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290 | inline static bool vlt(ViewCell *v1, ViewCell *v2)
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291 | {
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292 | return v1->mId < v2->mId;
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293 | }
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294 |
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295 |
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296 | void ViewCellsParseHandlers::EndViewCells()
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297 | {
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298 | // sort view cells to help associating view cells according to their id
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299 | sort(mViewCells.begin(), mViewCells.end(), vlt);
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300 |
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301 | // not parsing view cells anymore
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302 | mCurrentState = PARSE_OPTIONS;
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303 | }
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304 |
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305 |
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306 | void ViewCellsParseHandlers::EndBoundingBoxes()
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307 | {
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308 | const long startTime = GetTime();
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309 |
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310 | mBoxTimer.Entry();
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311 |
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312 | if (mBoundingBoxConverter)
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313 | {
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314 | // all bounding boxes gathered in this step =>
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315 | // associate object ids with bounding boxes
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316 | mBoundingBoxConverter->IdentifyObjects(mIBoundingBoxes, mPvsObjects);
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317 | }
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318 |
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319 | if (USE_HASH_COMPARE)
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320 | {
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321 | CreateHashVector();
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322 | }
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323 | else
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324 | {
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325 | sort(mPvsObjects.begin(), mPvsObjects.end(), ilt);
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326 |
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327 | /*ObjectContainer::const_iterator oit, oit_end = mPvsObjects.end();
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328 |
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329 | int id = 0;
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330 | for (oit = mPvsObjects.begin(); oit != oit_end; ++ oit, ++ id)
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331 | {
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332 | if ((*oit)->GetId() != id)
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333 | Debug << "error" << endl;
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334 | }*/
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335 | }
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336 |
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337 | Debug << "\nconverted bounding boxes to objects in "
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338 | << TimeDiff(startTime, GetTime()) * 1e-6 << " secs" << endl;
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339 | mBoxTimer.Exit();
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340 | }
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341 |
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342 |
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343 | void ViewCellsParseHandlers::StartBspElement(string element,
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344 | AttributeList& attributes)
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345 | {
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346 | if (element == "Interior")
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347 | {
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348 | //cout << "[";
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349 | StartBspInterior(attributes);
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350 | }
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351 |
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352 | if (element == "Leaf")
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353 | {
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354 | //cout << "l";
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355 | StartBspLeaf(attributes);
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356 | }
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357 | }
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358 |
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359 |
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360 | void ViewCellsParseHandlers::StartVspElement(string element,
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361 | AttributeList& attributes)
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362 | {
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363 | if (element == "Interior")
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364 | {
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365 | //cout << "[";
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366 | StartVspInterior(attributes);
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367 | }
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368 | if (element == "Leaf")
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369 | {
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370 | //cout << "l";
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371 | StartVspLeaf(attributes);
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372 | }
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373 | }
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374 |
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375 |
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376 | void ViewCellsParseHandlers::StartOspElement(string element,
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377 | AttributeList& attributes)
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378 | {
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379 | if (element == "Interior")
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380 | {
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381 | //cout << "[";
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382 | StartOspInterior(attributes);
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383 | }
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384 |
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385 | if (element == "Leaf")
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386 | {
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387 | //cout << "l";
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388 | StartOspLeaf(attributes);
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389 | }
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390 | }
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391 |
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392 |
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393 | void ViewCellsParseHandlers::StartBvhElement(string element,
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394 | AttributeList& attributes)
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395 | {
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396 | if (element == "Interior")
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397 | {
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398 | //cout << "[";
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399 | StartBvhInterior(attributes);
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400 | }
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401 |
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402 | if (element == "Leaf")
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403 | {
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404 | //cout << "l";
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405 | StartBvhLeaf(attributes);
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406 | }
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407 | }
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408 |
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409 |
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410 | void ViewCellsParseHandlers::StartViewSpaceHierarchyElement(const std::string &element,
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411 | AttributeList& attributes)
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412 | {
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413 | //-- use cell type according to the chosen method
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414 | switch (mViewSpaceHierarchyType)
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415 | {
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416 | case BSP:
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417 | StartBspElement(element, attributes);
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418 | break;
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419 | case VSP:
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420 | StartVspElement(element, attributes);
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421 | break;
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422 | default:
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423 | Debug << "not implemented" << endl;
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424 | break;
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425 | }
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426 | }
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427 |
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428 |
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429 | void ViewCellsParseHandlers::StartObjectSpaceHierarchyElement(const std::string &element,
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430 | AttributeList& attributes)
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431 | {
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432 | //-- use cell type according to the chosen method
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433 | switch (mObjectSpaceHierarchyType)
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434 | {
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435 | case OSP:
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436 | StartOspElement(element, attributes);
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437 | break;
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438 | case BVH:
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439 | StartBvhElement(element, attributes);
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440 | break;
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441 | default:
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442 | Debug << "not implemented" << endl;
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443 | break;
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444 | }
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445 | }
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446 |
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447 |
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448 | void ViewCellsParseHandlers::StartViewCellHierarchyElement(const std::string &element,
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449 | AttributeList& attributes)
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450 | {
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451 | // interiors + leaves interpreted view cells else
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452 | if (element == "Interior")
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453 | {
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454 | StartViewCell(attributes, false);
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455 | return;
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456 | }
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457 |
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458 | if (element == "Leaf")
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459 | {
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460 | StartViewCell(attributes, true);
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461 | return;
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462 | }
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463 |
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464 | Debug << "StartViewCellHierarchyElement: should not come here: " << element << endl;
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465 | }
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466 |
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467 |
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468 | void ViewCellsParseHandlers::startElement(const XMLCh* const name,
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469 | AttributeList& attributes)
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470 | {
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471 | StrX lname(name);
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472 | string element(lname.LocalForm());
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473 |
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474 | if (element == "ViewCells")
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475 | {
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476 | cout << "\nparsing view cells" << endl;
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477 | Debug << "\nparsing view cells" << endl;
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478 |
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479 | mCurrentState = PARSE_VIEWCELLS;
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480 |
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481 | // create new view cells hierarchy
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482 | mViewCellsTree = new ViewCellsTree();
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483 | }
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484 | // decides about the view cell hierarchy
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485 | else if (element == "ViewSpaceHierarchy")
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486 | {
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487 | Debug << "\nparsing view space hierarchy" << endl;
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488 | cout << "\nparsing view space hierarchy" << endl;
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489 |
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490 | mCurrentState = PARSE_VIEWSPACE_HIERARCHY;
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491 | StartViewSpaceHierarchy(attributes);
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492 | }
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493 | // decides about the view cell hierarchy
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494 | else if (element == "ObjectSpaceHierarchy")
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495 | {
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496 | cout << "\nparsing object space hierarchy" << endl;
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497 | Debug << "\nparsing object space hierarchy" << endl;
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498 |
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499 | mCurrentState = PARSE_OBJECTSPACE_HIERARCHY;
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500 | mObjectTimer.Entry();
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501 | StartObjectSpaceHierarchy(attributes);
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502 | }
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503 | // decides the used view cell hierarchy
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504 | else if (element == "BoundingBox")
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505 | {
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506 | StartBoundingBox(attributes);
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507 | }
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508 | else
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509 | {
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510 | // parse view space hierarchy
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511 | switch (mCurrentState)
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512 | {
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513 | case PARSE_VIEWSPACE_HIERARCHY:
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514 | if ((++ nViewCells % 1000) == 0)
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515 | {
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516 | cout << "\r" << nViewCells << " view cells parsed\r";
|
---|
517 | Debug << nViewCells << " view cells parsed" << endl;
|
---|
518 | }
|
---|
519 | StartViewSpaceHierarchyElement(element, attributes);
|
---|
520 | break;
|
---|
521 | case PARSE_OBJECTSPACE_HIERARCHY:
|
---|
522 | if ((++ nObjects % 1000) == 0)
|
---|
523 | cout <<"\r" << nObjects << " objects parsed\r";
|
---|
524 |
|
---|
525 | StartObjectSpaceHierarchyElement(element, attributes);
|
---|
526 | break;
|
---|
527 | case PARSE_VIEWCELLS:
|
---|
528 | StartViewCellHierarchyElement(element, attributes);
|
---|
529 | break;
|
---|
530 | default:
|
---|
531 | break;
|
---|
532 | }
|
---|
533 | }
|
---|
534 |
|
---|
535 | ++ mElementCount;
|
---|
536 | mAttrCount += attributes.getLength();
|
---|
537 | }
|
---|
538 |
|
---|
539 |
|
---|
540 | void ViewCellsParseHandlers::StartViewCellPvs(ObjectPvs &pvs, const char *ptr)
|
---|
541 | {
|
---|
542 | // handle obect indices
|
---|
543 | vector<int> objIndices;
|
---|
544 | char *endptr;
|
---|
545 |
|
---|
546 | while (1)
|
---|
547 | { // read object ids
|
---|
548 | const int index = strtol(ptr, &endptr, 10);
|
---|
549 | if (ptr == endptr)
|
---|
550 | break;
|
---|
551 | objIndices.push_back(index);
|
---|
552 | ptr = endptr;
|
---|
553 | }
|
---|
554 |
|
---|
555 | Intersectable::NewMail();
|
---|
556 |
|
---|
557 | mPvsTimer.Entry();
|
---|
558 |
|
---|
559 | // TODO:
|
---|
560 | // 1) find objects and add them to pvs
|
---|
561 | // 2) get view cell with specified id
|
---|
562 | MeshInstance dummyInst(NULL);
|
---|
563 |
|
---|
564 | vector<int>::const_iterator it, it_end = objIndices.end();
|
---|
565 |
|
---|
566 | pair<ObjectContainer::const_iterator, ObjectContainer::const_iterator> result;
|
---|
567 |
|
---|
568 | for (it = objIndices.begin(); it != it_end; ++ it)
|
---|
569 | {
|
---|
570 | const int objId = *it;
|
---|
571 |
|
---|
572 | #if USE_HASH_COMPARE
|
---|
573 | pvs_hash::iterator oit = mHashPvs.find(objId);
|
---|
574 |
|
---|
575 | if ((oit != mHashPvs.end()) && ((*oit).second->GetId() == objId))
|
---|
576 | {
|
---|
577 | pvs.AddSample((*oit).second, 1.0f);
|
---|
578 | }
|
---|
579 | #else
|
---|
580 | #if 0
|
---|
581 | dummyInst.SetId(objId);
|
---|
582 |
|
---|
583 | ObjectContainer::iterator oit =
|
---|
584 | lower_bound(mPvsObjects.begin(),
|
---|
585 | mPvsObjects.end(),
|
---|
586 | (Intersectable *)&dummyInst, ilt);
|
---|
587 |
|
---|
588 | if ((oit != mPvsObjects.end()) && ((*oit)->GetId() == objId))
|
---|
589 | {
|
---|
590 | pvs.AddSample(*oit, 1.0f);
|
---|
591 | }
|
---|
592 | #else
|
---|
593 | pvs.AddSample(mPvsObjects[objId], 1.0f);
|
---|
594 | #endif
|
---|
595 | #endif
|
---|
596 | }
|
---|
597 |
|
---|
598 | mPvsTimer.Exit();
|
---|
599 | }
|
---|
600 |
|
---|
601 |
|
---|
602 | void ViewCellsParseHandlers::StartViewSpaceHierarchy(AttributeList& attributes)
|
---|
603 | {
|
---|
604 | int len = attributes.getLength();
|
---|
605 |
|
---|
606 | Vector3 bmin, bmax;
|
---|
607 |
|
---|
608 | for (int i = 0; i < len; ++ i)
|
---|
609 | {
|
---|
610 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
611 | StrX attrValue(attributes.getValue(i));
|
---|
612 | const char *ptr = attrValue.LocalForm();
|
---|
613 |
|
---|
614 | // hierarchy type
|
---|
615 | if (attrName == "type")
|
---|
616 | {
|
---|
617 | if (strcmp(ptr, "bsp") == 0)
|
---|
618 | {
|
---|
619 | Debug << "\nview space hierarchy: Bsp" << endl;
|
---|
620 | mViewSpaceHierarchyType = BSP;
|
---|
621 | }
|
---|
622 | else if (strcmp(ptr, "vsp") == 0)
|
---|
623 | {
|
---|
624 | Debug << "\nview space hierarchy: Vsp" << endl;
|
---|
625 | mViewSpaceHierarchyType = VSP;
|
---|
626 | }
|
---|
627 | }
|
---|
628 | else if (attrName == "min") // the view space extent
|
---|
629 | {
|
---|
630 | sscanf(ptr, "%f %f %f",
|
---|
631 | &bmin.x, &bmin.y, &bmin.z);
|
---|
632 | }
|
---|
633 | else if (attrName == "max")
|
---|
634 | {
|
---|
635 | sscanf(ptr, "%f %f %f",
|
---|
636 | &bmax.x, &bmax.y, &bmax.z);
|
---|
637 | }
|
---|
638 | }
|
---|
639 |
|
---|
640 | mViewSpaceBox = AxisAlignedBox3(bmin, bmax);
|
---|
641 |
|
---|
642 | // create the hierarchy based on this information
|
---|
643 | CreateViewSpaceHierarchy();
|
---|
644 | }
|
---|
645 |
|
---|
646 |
|
---|
647 | void ViewCellsParseHandlers::StartObjectSpaceHierarchy(AttributeList& attributes)
|
---|
648 | {
|
---|
649 | const int len = attributes.getLength();
|
---|
650 | Vector3 bmin, bmax;
|
---|
651 |
|
---|
652 | for (int i = 0; i < len; ++ i)
|
---|
653 | {
|
---|
654 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
655 | StrX attrValue(attributes.getValue(i));
|
---|
656 | const char *ptr = attrValue.LocalForm();
|
---|
657 |
|
---|
658 | // hierarchy type
|
---|
659 | if (attrName == "type")
|
---|
660 | {
|
---|
661 | if (strcmp(ptr, "osp") == 0)
|
---|
662 | {
|
---|
663 | Debug << "\nobject space hierarchy: Osp" << endl;
|
---|
664 |
|
---|
665 | mHierarchyManager =
|
---|
666 | new HierarchyManager(HierarchyManager::KD_BASED_OBJ_SUBDIV);
|
---|
667 |
|
---|
668 | DEL_PTR(mHierarchyManager->mVspTree);
|
---|
669 | mHierarchyManager->mVspTree = mVspTree;
|
---|
670 |
|
---|
671 | mObjectSpaceHierarchyType = OSP;
|
---|
672 |
|
---|
673 | //std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
674 | mHierarchyManager->mOspTree->mBoundingBox.Initialize();
|
---|
675 | ObjectContainer::const_iterator oit, oit_end = mPvsObjects.end();
|
---|
676 |
|
---|
677 | //-- compute bounding box
|
---|
678 | for (oit = mPvsObjects.begin(); oit != oit_end; ++ oit)
|
---|
679 | {
|
---|
680 | Intersectable *obj = *oit;
|
---|
681 | // compute bounding box of view space
|
---|
682 | mHierarchyManager->mOspTree->mBoundingBox.Include(obj->GetBox());
|
---|
683 | }
|
---|
684 | }
|
---|
685 | else if (strcmp(ptr, "bvh") == 0)
|
---|
686 | {
|
---|
687 | Debug << "\nobject space hierarchy: Bvh" << endl;
|
---|
688 | mObjectSpaceHierarchyType = BVH;
|
---|
689 | mHierarchyManager =
|
---|
690 | new HierarchyManager(HierarchyManager::BV_BASED_OBJ_SUBDIV);
|
---|
691 |
|
---|
692 | DEL_PTR(mHierarchyManager->mVspTree);
|
---|
693 | mHierarchyManager->mVspTree = mVspTree;
|
---|
694 | }
|
---|
695 | }
|
---|
696 | }
|
---|
697 | }
|
---|
698 |
|
---|
699 |
|
---|
700 | void ViewCellsParseHandlers::StartBoundingBox(AttributeList& attributes)
|
---|
701 | {
|
---|
702 | int len = attributes.getLength();
|
---|
703 |
|
---|
704 | Vector3 bmin, bmax;
|
---|
705 | int id;
|
---|
706 |
|
---|
707 | for (int i = 0; i < len; ++ i)
|
---|
708 | {
|
---|
709 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
710 | StrX attrValue(attributes.getValue(i));
|
---|
711 | const char *ptr = attrValue.LocalForm();
|
---|
712 |
|
---|
713 | if (attrName == "id")
|
---|
714 | {
|
---|
715 | sscanf(ptr, "%d", &id);
|
---|
716 | }
|
---|
717 | if (attrName == "min")
|
---|
718 | {
|
---|
719 | sscanf(ptr, "%f %f %f", &bmin.x, &bmin.y, &bmin.z);
|
---|
720 | }
|
---|
721 | else if (attrName == "max")
|
---|
722 | {
|
---|
723 | sscanf(ptr, "%f %f %f", &bmax.x, &bmax.y, &bmax.z);
|
---|
724 | }
|
---|
725 | }
|
---|
726 |
|
---|
727 | AxisAlignedBox3 box(bmin, bmax);
|
---|
728 | mIBoundingBoxes.push_back(IndexedBoundingBox(id, box));
|
---|
729 | //Debug << "bbox: " << box << endl;
|
---|
730 | }
|
---|
731 |
|
---|
732 |
|
---|
733 | void ViewCellsParseHandlers::StartBspLeaf(AttributeList& attributes)
|
---|
734 | {
|
---|
735 | BspLeaf * leaf;
|
---|
736 |
|
---|
737 | if (mCurrentBspNode) // replace front or (if not NULL) back child
|
---|
738 | {
|
---|
739 | BspInterior *interior = static_cast<BspInterior *>(mCurrentBspNode);
|
---|
740 |
|
---|
741 | leaf = new BspLeaf(interior);
|
---|
742 | interior->ReplaceChildLink(NULL, leaf);
|
---|
743 | }
|
---|
744 | else
|
---|
745 | {
|
---|
746 | leaf = new BspLeaf();
|
---|
747 | mVspBspTree->mRoot = leaf;
|
---|
748 | }
|
---|
749 |
|
---|
750 | ///////////
|
---|
751 | //-- find associated view cell
|
---|
752 |
|
---|
753 | int viewCellId;
|
---|
754 | const int len = attributes.getLength();
|
---|
755 |
|
---|
756 | for (int i = 0; i < len; ++ i)
|
---|
757 | {
|
---|
758 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
759 | StrX attrValue(attributes.getValue(i));
|
---|
760 |
|
---|
761 | const char *ptr = attrValue.LocalForm();
|
---|
762 | char *endptr = NULL;
|
---|
763 |
|
---|
764 | if (attrName == "viewCellId")
|
---|
765 | {
|
---|
766 | viewCellId = strtol(ptr, &endptr, 10);
|
---|
767 | }
|
---|
768 | }
|
---|
769 |
|
---|
770 | if (viewCellId >= 0) // valid view cell found
|
---|
771 | {
|
---|
772 | // TODO: get view cell with specified id
|
---|
773 | ViewCellInterior dummyVc;
|
---|
774 | dummyVc.SetId(viewCellId);
|
---|
775 |
|
---|
776 | ViewCellContainer::iterator vit =
|
---|
777 | lower_bound(mViewCells.begin(), mViewCells.end(), &dummyVc, vlt);
|
---|
778 |
|
---|
779 | //ViewCellsMap::iterator vit = mViewCells.find(viewCellId);
|
---|
780 | // BspViewCell *viewCell = static_cast<BspViewCell *>((*vit).second);
|
---|
781 |
|
---|
782 | BspViewCell *viewCell = static_cast<BspViewCell *>(*vit);
|
---|
783 | if (viewCell->GetId() == viewCellId)
|
---|
784 | {
|
---|
785 | // create new view cell for bsp nodes
|
---|
786 | leaf->SetViewCell(viewCell);
|
---|
787 | viewCell->mLeaves.push_back(leaf);
|
---|
788 | }
|
---|
789 | else
|
---|
790 | {
|
---|
791 | cerr << "error: view cell does not exist" << endl;
|
---|
792 | }
|
---|
793 | }
|
---|
794 | else
|
---|
795 | {
|
---|
796 | // add to invalid view space
|
---|
797 | leaf->SetViewCell(mVspBspTree->GetOrCreateOutOfBoundsCell());
|
---|
798 | leaf->SetTreeValid(false);
|
---|
799 | mVspBspTree->PropagateUpValidity(leaf);
|
---|
800 | }
|
---|
801 | }
|
---|
802 |
|
---|
803 |
|
---|
804 | void ViewCellsParseHandlers::StartBspInterior(AttributeList& attributes)
|
---|
805 | {
|
---|
806 | Plane3 plane;
|
---|
807 | int len = attributes.getLength();
|
---|
808 |
|
---|
809 | for (int i = 0; i < len; ++ i)
|
---|
810 | {
|
---|
811 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
812 | StrX attrValue(attributes.getValue(i));
|
---|
813 | const char *ptr = attrValue.LocalForm();
|
---|
814 |
|
---|
815 | if (attrName == "plane")
|
---|
816 | {
|
---|
817 | sscanf(ptr, "%f %f %f %f",
|
---|
818 | &plane.mNormal.x, &plane.mNormal.y, &plane.mNormal.z, &plane.mD);
|
---|
819 | }
|
---|
820 | }
|
---|
821 |
|
---|
822 | BspInterior* interior = new BspInterior(plane);
|
---|
823 |
|
---|
824 | if (mCurrentBspNode) // replace NULL child of parent with current node
|
---|
825 | {
|
---|
826 | BspInterior *parent = static_cast<BspInterior *>(mCurrentBspNode);
|
---|
827 |
|
---|
828 | parent->ReplaceChildLink(NULL, interior);
|
---|
829 | interior->SetParent(parent);
|
---|
830 | }
|
---|
831 | else
|
---|
832 | {
|
---|
833 | mVspBspTree->mRoot = interior;
|
---|
834 | }
|
---|
835 |
|
---|
836 | mCurrentBspNode = interior;
|
---|
837 | }
|
---|
838 |
|
---|
839 |
|
---|
840 | void ViewCellsParseHandlers::StartViewCell(AttributeList& attributes, const bool isLeaf)
|
---|
841 | {
|
---|
842 | ViewCell *viewCell = NULL;
|
---|
843 | const int len = attributes.getLength();
|
---|
844 | float mergeCost;
|
---|
845 |
|
---|
846 | if (isLeaf)
|
---|
847 | {
|
---|
848 | viewCell = new ViewCellLeaf();
|
---|
849 | }
|
---|
850 | else
|
---|
851 | {
|
---|
852 | viewCell = new ViewCellInterior();
|
---|
853 | }
|
---|
854 |
|
---|
855 | for (int i = 0; i < len; ++ i)
|
---|
856 | {
|
---|
857 | const string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
858 |
|
---|
859 | if (attrName == "id")
|
---|
860 | {
|
---|
861 | const StrX attrValue(attributes.getValue(i));
|
---|
862 | const char *ptr = attrValue.LocalForm();
|
---|
863 | char *endptr = NULL;
|
---|
864 | const int id = strtol(ptr, &endptr, 10);
|
---|
865 |
|
---|
866 | // create new view cell, otherwise use reference.
|
---|
867 | viewCell->SetId(id);
|
---|
868 |
|
---|
869 | if (mCurrentViewCell)
|
---|
870 | { // replace front or (if not NULL) back child
|
---|
871 | ViewCellInterior *interior =
|
---|
872 | static_cast<ViewCellInterior *>(mCurrentViewCell);
|
---|
873 | interior->SetupChildLink(viewCell);
|
---|
874 | }
|
---|
875 | else
|
---|
876 | { // set the new root
|
---|
877 | mViewCellsTree->SetRoot(viewCell);
|
---|
878 | }
|
---|
879 |
|
---|
880 | if (!isLeaf)
|
---|
881 | {
|
---|
882 | mCurrentViewCell = viewCell;
|
---|
883 | }
|
---|
884 | }
|
---|
885 | if (attrName == "pvs")
|
---|
886 | {
|
---|
887 | StrX attrValue(attributes.getValue(i));
|
---|
888 | const char *ptr = attrValue.LocalForm();
|
---|
889 |
|
---|
890 | // hack: assume that view cell id comes before pvs
|
---|
891 | // otherwise view cell is undefined
|
---|
892 |
|
---|
893 | StartViewCellPvs(viewCell->GetPvs(), ptr);
|
---|
894 | //StartViewCellPvs(pvs, ptr);
|
---|
895 | }
|
---|
896 | else if (attrName == "active")
|
---|
897 | {
|
---|
898 | StrX attrValue(attributes.getValue(i));
|
---|
899 | const char *ptr = attrValue.LocalForm();
|
---|
900 | char *endptr = NULL;
|
---|
901 | const bool isActive = (bool)strtol(ptr, &endptr, 10);
|
---|
902 |
|
---|
903 | if (isActive)
|
---|
904 | {
|
---|
905 | // TODO
|
---|
906 | }
|
---|
907 | }
|
---|
908 | else if (attrName == "mergecost")
|
---|
909 | {
|
---|
910 | StrX attrValue(attributes.getValue(i));
|
---|
911 |
|
---|
912 | const char *ptr = attrValue.LocalForm();
|
---|
913 | char *endptr = NULL;
|
---|
914 | mergeCost = (float)strtod(ptr, &endptr);
|
---|
915 | }
|
---|
916 | }
|
---|
917 |
|
---|
918 | viewCell->SetMergeCost(mergeCost);
|
---|
919 | //viewCell->SetPvs(pvs);
|
---|
920 | mViewCells.push_back(viewCell);
|
---|
921 | }
|
---|
922 |
|
---|
923 |
|
---|
924 | void ViewCellsParseHandlers::CreateViewSpaceHierarchy()
|
---|
925 | {
|
---|
926 | if (mViewSpaceHierarchyType == BSP)
|
---|
927 | {
|
---|
928 | Debug << "hierarchy type: Bsp" << endl;
|
---|
929 | mVspBspTree = new VspBspTree();
|
---|
930 |
|
---|
931 | // set view space box
|
---|
932 | mVspBspTree->mBoundingBox = mViewSpaceBox;
|
---|
933 |
|
---|
934 | //ViewCellsMap::iterator vit, vit_end = mViewCells.end();
|
---|
935 | ViewCellContainer::iterator vit, vit_end = mViewCells.end();
|
---|
936 |
|
---|
937 | int i = 0;
|
---|
938 | // remove view cells and exchange them with the
|
---|
939 | // view cells specialized for the current hierarchy node type
|
---|
940 | for (vit = mViewCells.begin(); vit != vit_end; ++ vit, ++ i)
|
---|
941 | {
|
---|
942 | ViewCell *vc = (*vit);
|
---|
943 |
|
---|
944 | if (!vc->IsLeaf()) // exchange only leaves
|
---|
945 | continue;
|
---|
946 |
|
---|
947 | BspViewCell *bspVc = new BspViewCell();
|
---|
948 |
|
---|
949 | bspVc->SetId(vc->GetId());
|
---|
950 | //bspVc->GetPvs().reserve(vc->GetPvs().size());
|
---|
951 | bspVc->SetPvs(vc->GetPvs());
|
---|
952 |
|
---|
953 | if (vc->IsRoot())
|
---|
954 | {
|
---|
955 | mViewCellsTree->mRoot = bspVc;
|
---|
956 | }
|
---|
957 | else
|
---|
958 | {
|
---|
959 | vc->GetParent()->ReplaceChildLink(vc, bspVc);
|
---|
960 | }
|
---|
961 |
|
---|
962 | // delete old view cell
|
---|
963 | DEL_PTR(vc);
|
---|
964 |
|
---|
965 | //(*vit).second = bspVc;
|
---|
966 | (*vit) = bspVc;
|
---|
967 | }
|
---|
968 | cout << "finished creating view space hierarchy" << endl;
|
---|
969 | }
|
---|
970 | else if (mViewSpaceHierarchyType == VSP)
|
---|
971 | {
|
---|
972 | Debug << "hierarchy type: Vsp" << endl;
|
---|
973 | mVspTree = new VspTree();
|
---|
974 |
|
---|
975 | // set view space box
|
---|
976 | mVspTree->mBoundingBox = mViewSpaceBox;
|
---|
977 |
|
---|
978 | // ViewCellsMap::iterator vit, vit_end = mViewCells.end();
|
---|
979 | ViewCellContainer::iterator vit, vit_end = mViewCells.end();
|
---|
980 |
|
---|
981 | // reset view cells using the current node type
|
---|
982 | for (vit = mViewCells.begin(); vit != vit_end; ++ vit)
|
---|
983 | {
|
---|
984 | //ViewCell *vc = (*vit).second;
|
---|
985 | ViewCell *vc = (*vit);
|
---|
986 |
|
---|
987 | if (!vc->IsLeaf()) // exchange only leaves
|
---|
988 | continue;
|
---|
989 |
|
---|
990 | VspViewCell *vspVc = new VspViewCell();
|
---|
991 |
|
---|
992 | vspVc->SetPvs(vc->GetPvs());
|
---|
993 | vspVc->SetId(vc->GetId());
|
---|
994 |
|
---|
995 | if (vc->IsRoot())
|
---|
996 | {
|
---|
997 | mViewCellsTree->mRoot = vspVc;
|
---|
998 | }
|
---|
999 | else
|
---|
1000 | {
|
---|
1001 | vc->GetParent()->ReplaceChildLink(vc, vspVc);
|
---|
1002 | }
|
---|
1003 |
|
---|
1004 | // exchange view cell with new one
|
---|
1005 | DEL_PTR(vc);
|
---|
1006 |
|
---|
1007 | //(*vit).second = vspVc;
|
---|
1008 | (*vit) = vspVc;
|
---|
1009 | }
|
---|
1010 |
|
---|
1011 | if (mHierarchyManager)
|
---|
1012 | {
|
---|
1013 | // come here only if object space hierarchy already constructed
|
---|
1014 | mHierarchyManager->mVspTree = mVspTree;
|
---|
1015 | mVspTree->mHierarchyManager = mHierarchyManager;
|
---|
1016 | }
|
---|
1017 | }
|
---|
1018 | }
|
---|
1019 |
|
---|
1020 |
|
---|
1021 | void ViewCellsParseHandlers::CreateViewCellsManager()
|
---|
1022 | {
|
---|
1023 | if (mViewSpaceHierarchyType == BSP)
|
---|
1024 | {
|
---|
1025 | Debug << "\ncreating view cells manager: VspBsp" << endl;
|
---|
1026 | mViewCellsManager = new VspBspViewCellsManager(mViewCellsTree, mVspBspTree);
|
---|
1027 | }
|
---|
1028 | else if (mViewSpaceHierarchyType == VSP)
|
---|
1029 | {
|
---|
1030 | Debug << "\ncreating view cells manager: VspOsp" << endl;
|
---|
1031 | mViewCellsManager = new VspOspViewCellsManager(mViewCellsTree, mHierarchyManager);
|
---|
1032 | }
|
---|
1033 |
|
---|
1034 | mViewCellsManager->SetViewSpaceBox(mViewSpaceBox);
|
---|
1035 | }
|
---|
1036 |
|
---|
1037 |
|
---|
1038 | void ViewCellsParseHandlers::characters(const XMLCh* const chars,
|
---|
1039 | const unsigned int length)
|
---|
1040 | {
|
---|
1041 | mCharacterCount += length;
|
---|
1042 | }
|
---|
1043 |
|
---|
1044 |
|
---|
1045 | void ViewCellsParseHandlers::ignorableWhitespace(const XMLCh* const chars,
|
---|
1046 | const unsigned int length)
|
---|
1047 | {
|
---|
1048 | mSpaceCount += length;
|
---|
1049 | }
|
---|
1050 |
|
---|
1051 |
|
---|
1052 | void ViewCellsParseHandlers::resetDocument()
|
---|
1053 | {
|
---|
1054 | mAttrCount = 0;
|
---|
1055 | mCharacterCount = 0;
|
---|
1056 | mElementCount = 0;
|
---|
1057 | mSpaceCount = 0;
|
---|
1058 | }
|
---|
1059 |
|
---|
1060 |
|
---|
1061 | void ViewCellsParseHandlers::StartVspLeaf(AttributeList& attributes)
|
---|
1062 | {
|
---|
1063 | VspLeaf * leaf;
|
---|
1064 |
|
---|
1065 | if (mCurrentVspNode) // replace front or (if not NULL) back child
|
---|
1066 | {
|
---|
1067 | VspInterior *interior = static_cast<VspInterior *>(mCurrentVspNode);
|
---|
1068 | leaf = new VspLeaf(interior);
|
---|
1069 | interior->ReplaceChildLink(NULL, leaf);
|
---|
1070 | }
|
---|
1071 | else
|
---|
1072 | {
|
---|
1073 | leaf = new VspLeaf();
|
---|
1074 | mVspTree->mRoot = leaf;
|
---|
1075 | }
|
---|
1076 |
|
---|
1077 | /////////////
|
---|
1078 | //-- find view cell associated with the id
|
---|
1079 |
|
---|
1080 | int viewCellId;
|
---|
1081 | const int len = attributes.getLength();
|
---|
1082 |
|
---|
1083 | for (int i = 0; i < len; ++ i)
|
---|
1084 | {
|
---|
1085 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
1086 | StrX attrValue(attributes.getValue(i));
|
---|
1087 |
|
---|
1088 | const char *ptr = attrValue.LocalForm();
|
---|
1089 | char *endptr = NULL;
|
---|
1090 |
|
---|
1091 | if (attrName == "viewCellId")
|
---|
1092 | {
|
---|
1093 | viewCellId = strtol(ptr, &endptr, 10);
|
---|
1094 | }
|
---|
1095 | }
|
---|
1096 |
|
---|
1097 | if (viewCellId >= 0) // valid view cell found
|
---|
1098 | {
|
---|
1099 | // TODO: get view cell with specified id
|
---|
1100 | ViewCellInterior dummyVc;
|
---|
1101 | dummyVc.SetId(viewCellId);
|
---|
1102 |
|
---|
1103 | ViewCellContainer::iterator vit =
|
---|
1104 | lower_bound(mViewCells.begin(), mViewCells.end(), &dummyVc, vlt);
|
---|
1105 |
|
---|
1106 | //ViewCellsMap::iterator vit = mViewCells.find(viewCellId);
|
---|
1107 | if (vit == mViewCells.end())
|
---|
1108 | Debug << "error: view cell " << viewCellId << " not found" << endl;
|
---|
1109 |
|
---|
1110 | //VspViewCell *viewCell = static_cast<VspViewCell *>((*vit).second);
|
---|
1111 | VspViewCell *viewCell = static_cast<VspViewCell *>(*vit);
|
---|
1112 |
|
---|
1113 | if (viewCell->GetId() == viewCellId)
|
---|
1114 | {
|
---|
1115 | leaf->SetViewCell(viewCell);
|
---|
1116 | viewCell->mLeaves.push_back(leaf);
|
---|
1117 | }
|
---|
1118 | else
|
---|
1119 | {
|
---|
1120 | Debug << "error: view cell does not exist" << endl;
|
---|
1121 | }
|
---|
1122 | }
|
---|
1123 | else
|
---|
1124 | {
|
---|
1125 | // add to invalid view space
|
---|
1126 | leaf->SetViewCell(mVspTree->GetOrCreateOutOfBoundsCell());
|
---|
1127 | leaf->SetTreeValid(false);
|
---|
1128 | mVspTree->PropagateUpValidity(leaf);
|
---|
1129 | }
|
---|
1130 | }
|
---|
1131 |
|
---|
1132 |
|
---|
1133 | void ViewCellsParseHandlers::StartVspInterior(AttributeList& attributes)
|
---|
1134 | {
|
---|
1135 | AxisAlignedPlane plane;
|
---|
1136 | const int len = attributes.getLength();
|
---|
1137 |
|
---|
1138 | for (int i = 0; i < len; ++ i)
|
---|
1139 | {
|
---|
1140 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
1141 | StrX attrValue(attributes.getValue(i));
|
---|
1142 | const char *ptr = attrValue.LocalForm();
|
---|
1143 |
|
---|
1144 | if (attrName == "plane")
|
---|
1145 | {
|
---|
1146 | sscanf(ptr, "%f %d", &plane.mPosition, &plane.mAxis);
|
---|
1147 | }
|
---|
1148 | }
|
---|
1149 |
|
---|
1150 | VspInterior* interior = new VspInterior(plane);
|
---|
1151 |
|
---|
1152 | if (mCurrentVspNode) // replace NULL child of parent with current node
|
---|
1153 | {
|
---|
1154 | VspInterior *parent = static_cast<VspInterior *>(mCurrentVspNode);
|
---|
1155 |
|
---|
1156 | parent->ReplaceChildLink(NULL, interior);
|
---|
1157 | interior->SetParent(parent);
|
---|
1158 |
|
---|
1159 | AxisAlignedBox3 frontBox, backBox;
|
---|
1160 |
|
---|
1161 | parent->GetBoundingBox().Split(
|
---|
1162 | parent->GetPlane().mAxis,
|
---|
1163 | parent->GetPlane().mPosition,
|
---|
1164 | frontBox,
|
---|
1165 | backBox);
|
---|
1166 |
|
---|
1167 | if (parent->GetFront() == interior)
|
---|
1168 | interior->SetBoundingBox(frontBox);
|
---|
1169 | else
|
---|
1170 | interior->SetBoundingBox(backBox);
|
---|
1171 | }
|
---|
1172 | else
|
---|
1173 | {
|
---|
1174 | mVspTree->mRoot = interior;
|
---|
1175 | interior->SetBoundingBox(mVspTree->GetBoundingBox());
|
---|
1176 | }
|
---|
1177 |
|
---|
1178 | mCurrentVspNode = interior;
|
---|
1179 | }
|
---|
1180 |
|
---|
1181 |
|
---|
1182 | void ViewCellsParseHandlers::StartOspInterior(AttributeList& attributes)
|
---|
1183 | {
|
---|
1184 | AxisAlignedPlane plane;
|
---|
1185 | int len = attributes.getLength();
|
---|
1186 |
|
---|
1187 | for (int i = 0; i < len; ++ i)
|
---|
1188 | {
|
---|
1189 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
1190 | StrX attrValue(attributes.getValue(i));
|
---|
1191 | const char *ptr = attrValue.LocalForm();
|
---|
1192 |
|
---|
1193 | if (attrName == "plane")
|
---|
1194 | {
|
---|
1195 | sscanf(ptr, "%f %d", &plane.mPosition, &plane.mAxis);
|
---|
1196 | }
|
---|
1197 | }
|
---|
1198 |
|
---|
1199 | KdInterior* interior = new KdInterior(NULL);
|
---|
1200 |
|
---|
1201 | interior->mAxis = plane.mAxis;
|
---|
1202 | interior->mPosition = plane.mPosition;
|
---|
1203 |
|
---|
1204 | if (mCurrentOspNode) // replace NULL child of parent with current node
|
---|
1205 | {
|
---|
1206 | KdInterior *parent = static_cast<KdInterior *>(mCurrentOspNode);
|
---|
1207 | parent->ReplaceChildLink(NULL, interior);
|
---|
1208 | interior->mParent = parent;
|
---|
1209 |
|
---|
1210 | AxisAlignedBox3 frontBox, backBox;
|
---|
1211 |
|
---|
1212 | parent->mBox.Split(parent->mAxis, parent->mPosition, frontBox, backBox);
|
---|
1213 |
|
---|
1214 | if (parent->mFront == interior)
|
---|
1215 | interior->mBox = frontBox;
|
---|
1216 | else
|
---|
1217 | interior->mBox = backBox;
|
---|
1218 | }
|
---|
1219 | else
|
---|
1220 | {
|
---|
1221 | mHierarchyManager->mOspTree->mRoot = interior;
|
---|
1222 | interior->mBox = mHierarchyManager->mOspTree->mBoundingBox;
|
---|
1223 | }
|
---|
1224 |
|
---|
1225 | mCurrentOspNode = interior;
|
---|
1226 | }
|
---|
1227 |
|
---|
1228 |
|
---|
1229 | void ViewCellsParseHandlers::StartOspLeaf(AttributeList& attributes)
|
---|
1230 | {
|
---|
1231 | KdLeaf * leaf = new KdLeaf(static_cast<KdInterior *>(mCurrentOspNode), NULL);
|
---|
1232 |
|
---|
1233 | if (mCurrentOspNode)
|
---|
1234 | {
|
---|
1235 | // replace front or (if not NULL) back child
|
---|
1236 | static_cast<KdInterior *>(mCurrentOspNode)->ReplaceChildLink(NULL, leaf);
|
---|
1237 | }
|
---|
1238 | else
|
---|
1239 | {
|
---|
1240 | mHierarchyManager->mOspTree->mRoot = leaf;
|
---|
1241 | }
|
---|
1242 | }
|
---|
1243 |
|
---|
1244 |
|
---|
1245 | void ViewCellsParseHandlers::StartBvhLeaf(AttributeList& attributes)
|
---|
1246 | {
|
---|
1247 | const int len = attributes.getLength();
|
---|
1248 | Vector3 minBox, maxBox;
|
---|
1249 |
|
---|
1250 | ObjectContainer objects;
|
---|
1251 |
|
---|
1252 | for (int i = 0; i < len; ++ i)
|
---|
1253 | {
|
---|
1254 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
1255 | StrX attrValue(attributes.getValue(i));
|
---|
1256 | const char *ptr = attrValue.LocalForm();
|
---|
1257 |
|
---|
1258 | if (attrName == "min")
|
---|
1259 | {
|
---|
1260 | sscanf(ptr, "%f %f %f", &minBox.x, &minBox.y, &minBox.z);
|
---|
1261 | }
|
---|
1262 | if (attrName == "max")
|
---|
1263 | {
|
---|
1264 | sscanf(ptr, "%f %f %f", &maxBox.x, &maxBox.y, &maxBox.z);
|
---|
1265 | }
|
---|
1266 | if (attrName == "objects")
|
---|
1267 | {
|
---|
1268 | if (!mPreprocessorObjects.empty())
|
---|
1269 | StartBvhLeafObjects(objects, ptr);
|
---|
1270 | }
|
---|
1271 | }
|
---|
1272 |
|
---|
1273 | AxisAlignedBox3 box = AxisAlignedBox3(minBox, maxBox);
|
---|
1274 |
|
---|
1275 | BvhLeaf *leaf;
|
---|
1276 |
|
---|
1277 | if (mCurrentBvhNode) // replace front or (if not NULL) back child
|
---|
1278 | {
|
---|
1279 | BvhInterior *interior = static_cast<BvhInterior *>(mCurrentBvhNode);
|
---|
1280 |
|
---|
1281 | leaf = new BvhLeaf(box, interior, (int)objects.size());
|
---|
1282 | interior->ReplaceChildLink(NULL, leaf);
|
---|
1283 | }
|
---|
1284 | else
|
---|
1285 | {
|
---|
1286 | leaf = new BvhLeaf(box, NULL, (int)objects.size());
|
---|
1287 | mHierarchyManager->mBvHierarchy->mRoot = leaf;
|
---|
1288 | }
|
---|
1289 |
|
---|
1290 | leaf->mObjects = objects;
|
---|
1291 | BvHierarchy::AssociateObjectsWithLeaf(leaf);
|
---|
1292 | }
|
---|
1293 |
|
---|
1294 |
|
---|
1295 | void ViewCellsParseHandlers::StartBvhLeafObjects(ObjectContainer &objects,
|
---|
1296 | const char *ptr)
|
---|
1297 | {
|
---|
1298 | vector<int> objIndices;
|
---|
1299 | char *endptr;
|
---|
1300 |
|
---|
1301 | while (1)
|
---|
1302 | {
|
---|
1303 | const int index = strtol(ptr, &endptr, 10);
|
---|
1304 | if (ptr == endptr) break;
|
---|
1305 |
|
---|
1306 | objIndices.push_back(index);
|
---|
1307 | ptr = endptr;
|
---|
1308 | }
|
---|
1309 |
|
---|
1310 | MeshInstance dummyInst(NULL);
|
---|
1311 | vector<int>::const_iterator it, it_end = objIndices.end();
|
---|
1312 |
|
---|
1313 | for (it = objIndices.begin(); it != it_end; ++ it)
|
---|
1314 | {
|
---|
1315 | const int objId = *it;
|
---|
1316 | dummyInst.SetId(objId);
|
---|
1317 |
|
---|
1318 | ObjectContainer::const_iterator oit =
|
---|
1319 | lower_bound(mPreprocessorObjects.begin(),
|
---|
1320 | mPreprocessorObjects.end(),
|
---|
1321 | (Intersectable *)&dummyInst,
|
---|
1322 | ilt);
|
---|
1323 |
|
---|
1324 | if ((oit != mPreprocessorObjects.end()) && ((*oit)->GetId() == objId))
|
---|
1325 | {
|
---|
1326 | objects.push_back(*oit);
|
---|
1327 | }
|
---|
1328 | else
|
---|
1329 | {
|
---|
1330 | //cerr << "StartBvhLeafObjects error: object with id " << objId << " does not exist" << endl;
|
---|
1331 | }
|
---|
1332 | }
|
---|
1333 | }
|
---|
1334 |
|
---|
1335 |
|
---|
1336 | void ViewCellsParseHandlers::StartBvhInterior(AttributeList& attributes)
|
---|
1337 | {
|
---|
1338 | const int len = attributes.getLength();
|
---|
1339 | Vector3 minBox, maxBox;
|
---|
1340 |
|
---|
1341 | for (int i = 0; i < len; ++ i)
|
---|
1342 | {
|
---|
1343 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
1344 | StrX attrValue(attributes.getValue(i));
|
---|
1345 | const char *ptr = attrValue.LocalForm();
|
---|
1346 |
|
---|
1347 | if (attrName == "min")
|
---|
1348 | {
|
---|
1349 | sscanf(ptr, "%f %f %f", &minBox.x, &minBox.y, &minBox.z);
|
---|
1350 | }
|
---|
1351 | if (attrName == "max")
|
---|
1352 | {
|
---|
1353 | sscanf(ptr, "%f %f %f", &maxBox.x, &maxBox.y, &maxBox.z);
|
---|
1354 | }
|
---|
1355 | }
|
---|
1356 |
|
---|
1357 | BvhInterior* interior = new BvhInterior(AxisAlignedBox3(minBox, maxBox));
|
---|
1358 |
|
---|
1359 | if (mCurrentBvhNode) // replace NULL child of parent with current node
|
---|
1360 | {
|
---|
1361 | BvhInterior *parent = static_cast<BvhInterior *>(mCurrentBvhNode);
|
---|
1362 | parent->ReplaceChildLink(NULL, interior);
|
---|
1363 | interior->SetParent(parent);
|
---|
1364 | }
|
---|
1365 | else
|
---|
1366 | {
|
---|
1367 | mHierarchyManager->mBvHierarchy->mRoot = interior;
|
---|
1368 | }
|
---|
1369 |
|
---|
1370 | mCurrentBvhNode = interior;
|
---|
1371 | }
|
---|
1372 |
|
---|
1373 |
|
---|
1374 | // ---------------------------------------------------------------------------
|
---|
1375 | // StdInParseHandlers: Overrides of the SAX ErrorHandler interface
|
---|
1376 | // ---------------------------------------------------------------------------
|
---|
1377 |
|
---|
1378 |
|
---|
1379 | void
|
---|
1380 | ViewCellsParseHandlers::error(const SAXParseException& e)
|
---|
1381 | {
|
---|
1382 | XERCES_STD_QUALIFIER cerr << "\nError at (file " << StrX(e.getSystemId())
|
---|
1383 | << ", line " << e.getLineNumber()
|
---|
1384 | << ", char " << e.getColumnNumber()
|
---|
1385 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1386 | }
|
---|
1387 |
|
---|
1388 | void
|
---|
1389 | ViewCellsParseHandlers::fatalError(const SAXParseException& e)
|
---|
1390 | {
|
---|
1391 | XERCES_STD_QUALIFIER cerr << "\nFatal Error at (file " << StrX(e.getSystemId())
|
---|
1392 | << ", line " << e.getLineNumber()
|
---|
1393 | << ", char " << e.getColumnNumber()
|
---|
1394 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1395 | }
|
---|
1396 |
|
---|
1397 | void
|
---|
1398 | ViewCellsParseHandlers::warning(const SAXParseException& e)
|
---|
1399 | {
|
---|
1400 | XERCES_STD_QUALIFIER cerr << "\nWarning at (file " << StrX(e.getSystemId())
|
---|
1401 | << ", line " << e.getLineNumber()
|
---|
1402 | << ", char " << e.getColumnNumber()
|
---|
1403 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1404 | }
|
---|
1405 |
|
---|
1406 |
|
---|
1407 | bool ViewCellsParser::ParseViewCellsFile(const string &filename,
|
---|
1408 | ViewCellsManager **viewCells,
|
---|
1409 | ObjectContainer &pvsObjects,
|
---|
1410 | ObjectContainer &preprocessorObjects,
|
---|
1411 | BoundingBoxConverter *bconverter)
|
---|
1412 | {
|
---|
1413 | // Initialize the XML4C system
|
---|
1414 | try {
|
---|
1415 | XMLPlatformUtils::Initialize();
|
---|
1416 | }
|
---|
1417 |
|
---|
1418 | catch (const XMLException& toCatch)
|
---|
1419 | {
|
---|
1420 | XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
|
---|
1421 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
1422 | return false;
|
---|
1423 | }
|
---|
1424 |
|
---|
1425 | // cout<<"parsing started"<<endl<<flush;
|
---|
1426 |
|
---|
1427 | //
|
---|
1428 | // Create a SAX parser object. Then, according to what we were told on
|
---|
1429 | // the command line, set the options.
|
---|
1430 | //
|
---|
1431 | SAXParser* parser = new SAXParser;
|
---|
1432 | parser->setValidationScheme(valScheme);
|
---|
1433 | parser->setDoNamespaces(doNamespaces);
|
---|
1434 | parser->setDoSchema(doSchema);
|
---|
1435 | parser->setValidationSchemaFullChecking(schemaFullChecking);
|
---|
1436 |
|
---|
1437 |
|
---|
1438 | //
|
---|
1439 | // Create our SAX handler object and install it on the parser, as the
|
---|
1440 | // document and error handler. We are responsible for cleaning them
|
---|
1441 | // up, but since its just stack based here, there's nothing special
|
---|
1442 | // to do.
|
---|
1443 | //
|
---|
1444 | ViewCellsParseHandlers handler(pvsObjects, preprocessorObjects, bconverter);
|
---|
1445 | parser->setDocumentHandler(&handler);
|
---|
1446 | parser->setErrorHandler(&handler);
|
---|
1447 |
|
---|
1448 | unsigned long duration;
|
---|
1449 | int errorCount = 0;
|
---|
1450 | // create a faux scope so that 'src' destructor is called before
|
---|
1451 | // XMLPlatformUtils::Terminate
|
---|
1452 | {
|
---|
1453 | //
|
---|
1454 | // Kick off the parse and catch any exceptions. Create a standard
|
---|
1455 | // input input source and tell the parser to parse from that.
|
---|
1456 | //
|
---|
1457 | // StdInInputSource src;
|
---|
1458 | try
|
---|
1459 | {
|
---|
1460 | const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
1461 |
|
---|
1462 | #if USE_GZLIB
|
---|
1463 | XMLCh *myFilePath = XMLString::transcode(filename.c_str());
|
---|
1464 |
|
---|
1465 | GzFileInputSource isource(myFilePath);
|
---|
1466 | parser->parse(isource);
|
---|
1467 | #else
|
---|
1468 | parser->parse(filename.c_str());
|
---|
1469 |
|
---|
1470 | #endif
|
---|
1471 |
|
---|
1472 | //if (mCreatePvsObjects)
|
---|
1473 | // handler.ReplacePvs();
|
---|
1474 |
|
---|
1475 | const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
1476 | duration = endMillis - startMillis;
|
---|
1477 | errorCount = parser->getErrorCount();
|
---|
1478 | }
|
---|
1479 | catch (const OutOfMemoryException&)
|
---|
1480 | {
|
---|
1481 | XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
|
---|
1482 | errorCount = 2;
|
---|
1483 | return false;
|
---|
1484 | }
|
---|
1485 | catch (const XMLException& e)
|
---|
1486 | {
|
---|
1487 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: \n"
|
---|
1488 | << StrX(e.getMessage())
|
---|
1489 | << "\n" << XERCES_STD_QUALIFIER endl;
|
---|
1490 | errorCount = 1;
|
---|
1491 | return false;
|
---|
1492 | }
|
---|
1493 |
|
---|
1494 |
|
---|
1495 | // Print out the stats that we collected and time taken
|
---|
1496 | if (!errorCount)
|
---|
1497 | {
|
---|
1498 | XERCES_STD_QUALIFIER cerr << filename << ": " << duration << " ms ("
|
---|
1499 | << handler.GetElementCount() << " elems, "
|
---|
1500 | << handler.GetAttrCount() << " attrs, "
|
---|
1501 | << handler.GetSpaceCount() << " spaces, "
|
---|
1502 | << handler.GetCharacterCount() << " chars)" << XERCES_STD_QUALIFIER endl;
|
---|
1503 | }
|
---|
1504 | }
|
---|
1505 |
|
---|
1506 | //
|
---|
1507 | // Delete the parser itself. Must be done prior to calling Terminate, below.
|
---|
1508 | //
|
---|
1509 | delete parser;
|
---|
1510 |
|
---|
1511 | XMLPlatformUtils::Terminate();
|
---|
1512 |
|
---|
1513 | //-- assign new view cells manager
|
---|
1514 | *viewCells = handler.mViewCellsManager;
|
---|
1515 |
|
---|
1516 | if (errorCount > 0)
|
---|
1517 | return false;
|
---|
1518 | else
|
---|
1519 | return true;
|
---|
1520 | }
|
---|
1521 |
|
---|
1522 | } |
---|