[2113] | 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 <ext/algorithm>
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| 8 |
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| 9 | using namespace std;
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| 10 | #include <xercesc/util/PlatformUtils.hpp>
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| 11 |
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| 12 | // ---------------------------------------------------------------------------
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| 13 | // Includes
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| 14 | // ---------------------------------------------------------------------------
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| 15 | #include <xercesc/framework/StdInInputSource.hpp>
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| 16 | #include <xercesc/parsers/SAXParser.hpp>
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| 17 | #include <xercesc/util/OutOfMemoryException.hpp>
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| 18 |
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| 19 | // ---------------------------------------------------------------------------
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| 20 | // Includes
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| 21 | // ---------------------------------------------------------------------------
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| 22 | #include <xercesc/sax/AttributeList.hpp>
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| 23 | #include <xercesc/sax/SAXParseException.hpp>
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| 24 | #include <xercesc/sax/SAXException.hpp>
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| 25 |
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| 26 | #include "ViewCellsParser.h"
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| 27 |
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| 28 | #include "ViewCellsParserXerces.h"
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| 29 | #include "Mesh.h"
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| 30 | #include "VspBspTree.h"
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| 31 | #include "ViewCellBsp.h"
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| 32 | #include "ViewCellsManager.h"
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| 33 | #include "GzFileInputSource.h"
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| 34 | #include "OspTree.h"
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| 35 | #include "VspTree.h"
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| 36 | #include "KdTree.h"
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| 37 | #include "BvHierarchy.h"
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| 38 | #include "HierarchyManager.h"
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| 39 |
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| 40 |
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| 41 | namespace GtpVisibilityPreprocessor {
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| 42 |
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| 43 |
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| 44 | // ---------------------------------------------------------------------------
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| 45 | // Local data
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| 46 | //
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| 47 | // doNamespaces
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| 48 | // Indicates whether namespace processing should be enabled or not.
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| 49 | // The default is no, but -n overrides that.
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| 50 | //
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| 51 | // doSchema
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| 52 | // Indicates whether schema processing should be enabled or not.
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| 53 | // The default is no, but -s overrides that.
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| 54 | //
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| 55 | // schemaFullChecking
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| 56 | // Indicates whether full schema constraint checking should be enabled or not.
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| 57 | // The default is no, but -s overrides that.
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| 58 | //
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| 59 | // valScheme
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| 60 | // Indicates what validation scheme to use. It defaults to 'auto', but
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| 61 | // can be set via the -v= command.
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| 62 | // ---------------------------------------------------------------------------
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| 63 | static bool doNamespaces = false;
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| 64 | static bool doSchema = false;
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| 65 | static bool schemaFullChecking = false;
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| 66 | static SAXParser::ValSchemes valScheme = SAXParser::Val_Auto;
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| 67 |
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| 68 | // hack for loading bvh nodes
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| 69 | #define PVS_HACK 0
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| 70 |
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| 71 | inline static bool ilt(Intersectable *obj1, Intersectable *obj2)
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| 72 | {
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| 73 | return obj1->mId < obj2->mId;
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| 74 | }
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| 75 |
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| 76 |
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| 77 | // ---------------------------------------------------------------------------
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| 78 | // StdInParseHandlers: Constructors and Destructor
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| 79 | // ---------------------------------------------------------------------------
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| 80 | ViewCellsParseHandlers::ViewCellsParseHandlers(ObjectContainer &pvsObjects,
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| 81 | ObjectContainer &preprocessorObjects,
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| 82 | BoundingBoxConverter *bconverter
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| 83 | ):
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| 84 | mElementCount(0)
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| 85 | , mAttrCount(0)
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| 86 | , mCharacterCount(0)
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| 87 | , mSpaceCount(0)
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| 88 | , mViewCellsManager(NULL)
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| 89 | , mVspBspTree(NULL)
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| 90 | , mBspTree(NULL)
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| 91 | , mViewCellsTree(NULL)
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| 92 | , mCurrentState(PARSE_OPTIONS)
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| 93 | , mCurrentViewCell(NULL)
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| 94 | , mCurrentBspNode(NULL)
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| 95 | , mCurrentVspNode(NULL)
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| 96 | , mCurrentOspNode(NULL)
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| 97 | , mCurrentBvhNode(NULL)
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| 98 | , mPvsObjects(pvsObjects)
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| 99 | , mPreprocessorObjects(preprocessorObjects)
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| 100 | , mBoundingBoxConverter(bconverter)
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| 101 | , mHierarchyManager(NULL)
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| 102 | , nViewCells(0)
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| 103 | , nObjects(0)
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| 104 | {
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| 105 | mCreatePvsObjects = mPvsObjects.empty();
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| 106 |
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| 107 | // sort objects so we can search in them
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| 108 | //if (!is_sorted(mPvsObjects.begin(), mPvsObjects.end(), ilt))
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| 109 | sort(mPvsObjects.begin(), mPvsObjects.end(), ilt);
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| 110 |
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| 111 | //if (!is_sorted(mPreprocessorObjects.begin(), mPreprocessorObjects.end(), ilt))
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| 112 | sort(mPreprocessorObjects.begin(), mPreprocessorObjects.end(), ilt);
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| 113 | }
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| 114 |
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| 115 |
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| 116 | ViewCellsParseHandlers::~ViewCellsParseHandlers()
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| 117 | {
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| 118 | }
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| 119 |
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| 120 |
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| 121 | // ---------------------------------------------------------------------------
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| 122 | // StdInParseHandlers: Implementation of the SAX DocumentHandler interface
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| 123 | // ---------------------------------------------------------------------------
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| 124 |
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| 125 |
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| 126 | void ViewCellsParseHandlers::endElement(const XMLCh* const name)
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| 127 | {
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| 128 | StrX lname(name);
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| 129 | string element(lname.LocalForm());
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| 130 |
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| 131 | if (element == "BoundingBoxes")
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| 132 | {
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| 133 | EndBoundingBoxes();
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| 134 | }
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| 135 |
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| 136 | if (element == "ViewCells")
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| 137 | {
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| 138 | EndViewCells();
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| 139 | }
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| 140 |
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| 141 | if (element == "ObjectSpaceHierarchy")
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| 142 | {
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| 143 | EndObjectSpaceHierarchy();
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| 144 | }
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| 145 |
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| 146 | // finished, create view cells manager
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| 147 | if (element == "VisibilitySolution")
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| 148 | {
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| 149 | CreateViewCellsManager();
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| 150 | }
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| 151 |
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| 152 | if (element == "Interior")
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| 153 | {
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| 154 | switch (mCurrentState)
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| 155 | {
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| 156 | case PARSE_VIEWCELLS:
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| 157 | EndViewCellInterior();
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| 158 | break;
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| 159 | case PARSE_OBJECTSPACE_HIERARCHY:
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| 160 | EndObjectSpaceHierarchyInterior();
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| 161 | break;
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| 162 | case PARSE_VIEWSPACE_HIERARCHY:
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| 163 | EndViewSpaceHierarchyInterior();
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| 164 | break;
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| 165 | default:
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| 166 | break;
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| 167 | }
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| 168 | }
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| 169 | }
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| 170 |
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| 171 |
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| 172 | void ViewCellsParseHandlers::EndObjectSpaceHierarchy()
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| 173 | {
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| 174 | if (mObjectSpaceHierarchyType == OSP)
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| 175 | {
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| 176 | // for a spatial subdivision, it is not necessary to store
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| 177 | // the objects with the leaves, they can be classified geometrically
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| 178 | mHierarchyManager->mOspTree->
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| 179 | InsertObjects(mHierarchyManager->mOspTree->mRoot, mPvsObjects);
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| 180 | }
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| 181 | }
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| 182 |
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| 183 |
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| 184 | void ViewCellsParseHandlers::EndViewSpaceHierarchyInterior()
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| 185 | {
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| 186 | switch (mViewSpaceHierarchyType)
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| 187 | {
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| 188 | case BSP:
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| 189 | EndBspInterior();
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| 190 | break;
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| 191 | case VSP:
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| 192 | EndVspInterior();
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| 193 | break;
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| 194 | default:
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| 195 | Debug << "not implemented view space hierarchy type " << mViewSpaceHierarchyType << endl;
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| 196 | break;
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| 197 | }
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| 198 | }
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| 199 |
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| 200 |
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| 201 | void ViewCellsParseHandlers::EndObjectSpaceHierarchyInterior()
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| 202 | {
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| 203 | switch (mObjectSpaceHierarchyType)
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| 204 | {
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| 205 | case OSP:
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| 206 | EndOspInterior();
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| 207 | break;
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| 208 | case BVH:
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| 209 | EndBvhInterior();
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| 210 | break;
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| 211 | default:
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| 212 | Debug << "not implemented object space hierarchy type " << mViewSpaceHierarchyType << endl;
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| 213 | break;
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| 214 | }
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| 215 | }
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| 216 |
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| 217 |
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| 218 | void ViewCellsParseHandlers::EndBspInterior()
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| 219 | {
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| 220 | // go one up in the tree
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| 221 | if (mCurrentBspNode->GetParent())
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| 222 | { //cout << "]";
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| 223 | mCurrentBspNode = mCurrentBspNode->GetParent();
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| 224 | }
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| 225 | }
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| 226 |
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| 227 |
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| 228 | void ViewCellsParseHandlers::EndBvhInterior()
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| 229 | {
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| 230 | // go one up in the tree
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| 231 | if (mCurrentBvhNode->GetParent())
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| 232 | { //cout << "]";
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| 233 | mCurrentBvhNode = mCurrentBvhNode->GetParent();
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| 234 | }
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| 235 | }
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| 236 |
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| 237 |
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| 238 | void ViewCellsParseHandlers::EndOspInterior()
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| 239 | {
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| 240 | // go one up in the tree
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| 241 | if (mCurrentOspNode->mParent)
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| 242 | {
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| 243 | //cout << "]";
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| 244 | mCurrentOspNode = mCurrentOspNode->mParent;
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| 245 | }
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| 246 | }
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| 247 |
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| 248 |
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| 249 | void ViewCellsParseHandlers::EndVspInterior()
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| 250 | {
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| 251 | // go one up in the tree
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| 252 | if (mCurrentVspNode->GetParent())
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| 253 | {
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| 254 | //cout << "]";
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| 255 | mCurrentVspNode = mCurrentVspNode->GetParent();
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| 256 | }
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| 257 | }
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| 258 |
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| 259 |
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| 260 | void ViewCellsParseHandlers::EndViewCellInterior()
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| 261 | {
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| 262 | // go one up in the tree
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| 263 | if (mCurrentViewCell->GetParent())
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| 264 | {
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| 265 | //cout << "]";
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| 266 | mCurrentViewCell = mCurrentViewCell->GetParent();
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| 267 | }
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| 268 | }
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| 269 |
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| 270 |
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| 271 | inline static bool vlt(ViewCell *v1, ViewCell *v2)
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| 272 | {
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| 273 | return v1->mId < v2->mId;
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| 274 | }
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| 275 |
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| 276 |
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| 277 | void ViewCellsParseHandlers::EndViewCells()
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| 278 | {
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| 279 | // sort view cells to help associating view cells according to their id
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| 280 | stable_sort(mViewCells.begin(), mViewCells.end(), vlt);
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| 281 |
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| 282 | // not parsing view cells anymore
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| 283 | mCurrentState = PARSE_OPTIONS;
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| 284 | }
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| 285 |
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| 286 |
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| 287 | void ViewCellsParseHandlers::EndBoundingBoxes()
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| 288 | {
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| 289 | // all bounding boxes gathered in this step =>
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| 290 | // associate object ids with bounding boxes
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| 291 | const long startTime = GetTime();
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| 292 |
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| 293 | if (mBoundingBoxConverter)
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| 294 | {
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| 295 | mBoundingBoxConverter->IdentifyObjects(mIBoundingBoxes, mPvsObjects);
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| 296 | }
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| 297 |
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| 298 | Debug << "\nconverted bounding boxes to objects in "
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| 299 | << TimeDiff(startTime, GetTime()) * 1e-3 << " secs" << endl;
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| 300 | }
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| 301 |
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| 302 |
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| 303 | void ViewCellsParseHandlers::StartBspElement(string element,
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| 304 | AttributeList& attributes)
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| 305 | {
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| 306 | if (element == "Interior")
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| 307 | {
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| 308 | //cout << "[";
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| 309 | StartBspInterior(attributes);
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| 310 | }
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| 311 |
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| 312 | if (element == "Leaf")
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| 313 | {
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| 314 | //cout << "l";
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| 315 | StartBspLeaf(attributes);
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| 316 | }
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| 317 | }
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| 318 |
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| 319 |
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| 320 | void ViewCellsParseHandlers::StartVspElement(string element,
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| 321 | AttributeList& attributes)
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| 322 | {
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| 323 | if (element == "Interior")
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| 324 | {
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| 325 | //cout << "[";
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| 326 | StartVspInterior(attributes);
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| 327 | }
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| 328 | if (element == "Leaf")
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| 329 | {
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| 330 | //cout << "l";
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| 331 | StartVspLeaf(attributes);
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| 332 | }
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| 333 | }
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| 334 |
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| 335 |
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| 336 | void ViewCellsParseHandlers::StartOspElement(string element,
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| 337 | AttributeList& attributes)
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| 338 | {
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| 339 | if (element == "Interior")
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| 340 | {
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| 341 | //cout << "[";
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| 342 | StartOspInterior(attributes);
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| 343 | }
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| 344 |
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| 345 | if (element == "Leaf")
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| 346 | {
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| 347 | //cout << "l";
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| 348 | StartOspLeaf(attributes);
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| 349 | }
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| 350 | }
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| 351 |
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| 352 |
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| 353 | void ViewCellsParseHandlers::StartBvhElement(string element,
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| 354 | AttributeList& attributes)
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| 355 | {
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| 356 | if (element == "Interior")
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| 357 | {
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| 358 | //cout << "[";
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| 359 | StartBvhInterior(attributes);
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| 360 | }
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| 361 |
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| 362 | if (element == "Leaf")
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| 363 | {
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| 364 | //cout << "l";
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| 365 | StartBvhLeaf(attributes);
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| 366 | }
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| 367 | }
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| 368 |
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| 369 |
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| 370 | void ViewCellsParseHandlers::StartViewSpaceHierarchyElement(const std::string &element,
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| 371 | AttributeList& attributes)
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| 372 | {
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| 373 | //-- use cell type according to the chosen method
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| 374 | switch (mViewSpaceHierarchyType)
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| 375 | {
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| 376 | case BSP:
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| 377 | StartBspElement(element, attributes);
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| 378 | break;
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| 379 | case VSP:
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| 380 | StartVspElement(element, attributes);
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| 381 | break;
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| 382 | default:
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| 383 | Debug << "not implemented" << endl;
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| 384 | break;
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| 385 | }
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| 386 | }
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| 387 |
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| 388 |
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| 389 | void ViewCellsParseHandlers::StartObjectSpaceHierarchyElement(const std::string &element,
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| 390 | AttributeList& attributes)
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| 391 | {
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| 392 | //-- use cell type according to the chosen method
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| 393 | switch (mObjectSpaceHierarchyType)
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| 394 | {
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| 395 | case OSP:
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| 396 | StartOspElement(element, attributes);
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| 397 | break;
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| 398 | case BVH:
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| 399 | StartBvhElement(element, attributes);
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| 400 | break;
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| 401 | default:
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| 402 | Debug << "not implemented" << endl;
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| 403 | break;
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| 404 | }
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| 405 | }
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| 406 |
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| 407 |
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| 408 | void ViewCellsParseHandlers::ReplaceBvhPvs(ViewCell *vc)
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| 409 | {
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| 410 | //cout << "exchanging pvs" << endl;
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| 411 | ObjectPvs newPvs;
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| 412 |
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| 413 | ObjectPvsIterator pit = vc->GetPvs().GetIterator();
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| 414 |
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| 415 | BvhLeaf *dummyInst = new BvhLeaf(AxisAlignedBox3());
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| 416 |
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| 417 | ObjectContainer oldIntersectables;
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| 418 |
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| 419 | // output PVS of view cell
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| 420 | while (pit.HasMoreEntries())
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| 421 | {
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| 422 | ObjectPvsEntry entry = pit.Next();
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| 423 |
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| 424 | Intersectable *intersect = entry.mObject;
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| 425 | oldIntersectables.push_back(intersect);
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| 426 |
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| 427 | DummyIntersectable *dummyIntersect = static_cast<DummyIntersectable *>(intersect);
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| 428 |
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| 429 | const int objId = dummyIntersect->GetItem();
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| 430 | dummyInst->SetId(objId);
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| 431 |
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| 432 | vector<BvhLeaf *>::iterator oit =
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| 433 | lower_bound(mBvhLeaves.begin(),
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| 434 | mBvhLeaves.end(),
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| 435 | dummyInst, ilt);
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| 436 |
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| 437 | if ((oit != mBvhLeaves.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 | //cout << (*oit)->GetId() << " ";
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| 443 |
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| 444 | newPvs.AddSample(*oit, 1.0f);
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| 445 | }
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| 446 | else
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| 447 | {
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| 448 | Debug << "exchangePvs error: object with id " << objId << " does not exist" << endl;
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| 449 | }
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| 450 | }
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| 451 |
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| 452 | //newPvs.SimpleSort();
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| 453 | delete dummyInst;
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| 454 | vc->SetPvs(newPvs);
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| 455 |
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| 456 | CLEAR_CONTAINER(oldIntersectables);
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| 457 | }
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| 458 |
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| 459 |
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| 460 | void ViewCellsParseHandlers::ExchangeElements()
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| 461 | {
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| 462 | ViewCellContainer::const_iterator vit, vit_end = mViewCells.end();
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| 463 |
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| 464 | sort(mBvhLeaves.begin(), mBvhLeaves.end(), ilt);
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| 465 |
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| 466 | //cout << "viewcells : " << mViewCells.size() << endl;
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| 467 | for (vit = mViewCells.begin(); vit != vit_end; ++ vit)
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| 468 | {
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| 469 | ReplaceBvhPvs(*vit);
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| 470 | }
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| 471 | }
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| 472 |
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| 473 |
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| 474 | void ViewCellsParseHandlers::StartViewCellHierarchyElement(const std::string &element,
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| 475 | AttributeList& attributes)
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| 476 | {
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| 477 | // interiors + leaves interpreted view cells else
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| 478 | if (element == "Interior")
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| 479 | {
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| 480 | //cout << "[";
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| 481 | StartViewCell(attributes, false);
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| 482 | }
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| 483 |
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| 484 | if (element == "Leaf")
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| 485 | {
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| 486 | //cout << "l";
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| 487 | StartViewCell(attributes, true);
|
---|
| 488 | }
|
---|
| 489 | }
|
---|
| 490 |
|
---|
| 491 |
|
---|
| 492 | void ViewCellsParseHandlers::startElement(const XMLCh* const name,
|
---|
| 493 | AttributeList& attributes)
|
---|
| 494 | {
|
---|
| 495 | StrX lname(name);
|
---|
| 496 | string element(lname.LocalForm());
|
---|
| 497 |
|
---|
| 498 | if (element == "ViewCells")
|
---|
| 499 | {
|
---|
| 500 | cout << "\nparsing view cells" << endl;
|
---|
| 501 | Debug << "\nparsing view cells" << endl;
|
---|
| 502 |
|
---|
| 503 | mCurrentState = PARSE_VIEWCELLS;
|
---|
| 504 |
|
---|
| 505 | // create new view cells hierarchy
|
---|
| 506 | mViewCellsTree = new ViewCellsTree();
|
---|
| 507 | }
|
---|
| 508 |
|
---|
| 509 | // decides about the view cell hierarchy
|
---|
| 510 | if (element == "ViewSpaceHierarchy")
|
---|
| 511 | {
|
---|
| 512 | Debug << "\nparsing view space hierarchy" << endl;
|
---|
| 513 | cout << "\nparsing view space hierarchy" << endl;
|
---|
| 514 | mCurrentState = PARSE_VIEWSPACE_HIERARCHY;
|
---|
| 515 | StartViewSpaceHierarchy(attributes);
|
---|
| 516 | }
|
---|
| 517 |
|
---|
| 518 | // decides about the view cell hierarchy
|
---|
| 519 | if (element == "ObjectSpaceHierarchy")
|
---|
| 520 | {
|
---|
| 521 | cout << "\nparsing object space hierarchy" << endl;
|
---|
| 522 | Debug << "\nparsing object space hierarchy" << endl;
|
---|
| 523 |
|
---|
| 524 | mCurrentState = PARSE_OBJECTSPACE_HIERARCHY;
|
---|
| 525 | StartObjectSpaceHierarchy(attributes);
|
---|
| 526 | }
|
---|
| 527 |
|
---|
| 528 | // decides the used view cell hierarchy
|
---|
| 529 | if (element == "BoundingBox")
|
---|
| 530 | {
|
---|
| 531 | // cout << "b";
|
---|
| 532 | StartBoundingBox(attributes);
|
---|
| 533 | }
|
---|
| 534 |
|
---|
| 535 | // parse view space hierarchy
|
---|
| 536 | switch (mCurrentState)
|
---|
| 537 | {
|
---|
| 538 | case PARSE_VIEWSPACE_HIERARCHY:
|
---|
| 539 | if ((++ nViewCells % 1000) == 0)
|
---|
| 540 | cout<<"\r"<<nViewCells<<" view cells parsed\r";
|
---|
| 541 |
|
---|
| 542 | StartViewSpaceHierarchyElement(element, attributes);
|
---|
| 543 | break;
|
---|
| 544 | case PARSE_OBJECTSPACE_HIERARCHY:
|
---|
| 545 | if ((++ nObjects % 1000) == 0)
|
---|
| 546 | cout<<"\r"<< nObjects <<" objects parsed\r";
|
---|
| 547 |
|
---|
| 548 | StartObjectSpaceHierarchyElement(element, attributes);
|
---|
| 549 | break;
|
---|
| 550 | case PARSE_VIEWCELLS:
|
---|
| 551 | StartViewCellHierarchyElement(element, attributes);
|
---|
| 552 | break;
|
---|
| 553 | default:
|
---|
| 554 | break;
|
---|
| 555 | }
|
---|
| 556 |
|
---|
| 557 | ++ mElementCount;
|
---|
| 558 | mAttrCount += attributes.getLength();
|
---|
| 559 | }
|
---|
| 560 |
|
---|
| 561 |
|
---|
| 562 | void ViewCellsParseHandlers::StartViewCellPvs(ObjectPvs &pvs, const char *ptr)
|
---|
| 563 | {
|
---|
| 564 | // handle obect indices
|
---|
| 565 | vector<int> objIndices;
|
---|
| 566 | char *endptr;
|
---|
| 567 |
|
---|
| 568 | while (1)
|
---|
| 569 | { // read object ids
|
---|
| 570 | const int index = strtol(ptr, &endptr, 10);
|
---|
| 571 | if (ptr == endptr)
|
---|
| 572 | break;
|
---|
| 573 | objIndices.push_back(index);
|
---|
| 574 | ptr = endptr;
|
---|
| 575 | }
|
---|
| 576 |
|
---|
| 577 | // TODO:
|
---|
| 578 | // 1) find objects and add them to pvs
|
---|
| 579 | // 2) get view cell with specified id
|
---|
| 580 | MeshInstance dummyInst(NULL);
|
---|
| 581 |
|
---|
| 582 | vector<int>::const_iterator it, it_end = objIndices.end();
|
---|
| 583 | for (it = objIndices.begin(); it != it_end; ++ it)
|
---|
| 584 | {
|
---|
| 585 | #if PVS_HACK
|
---|
| 586 | //cout << "u";
|
---|
| 587 | pvs.AddSample(new DummyIntersectable(*it), 1);
|
---|
| 588 | #else
|
---|
| 589 | const int objId = *it;
|
---|
| 590 | dummyInst.SetId(objId);
|
---|
| 591 |
|
---|
| 592 | ObjectContainer::iterator oit =
|
---|
| 593 | lower_bound(mPvsObjects.begin(),
|
---|
| 594 | mPvsObjects.end(),
|
---|
| 595 | (Intersectable *)&dummyInst, ilt);
|
---|
| 596 |
|
---|
| 597 | if ((oit != mPvsObjects.end()) && ((*oit)->GetId() == objId))
|
---|
| 598 | {
|
---|
| 599 | // $$JB we should store a float a per object which corresponds
|
---|
| 600 | // to sumof pdfs, i.e. its relative visibility
|
---|
| 601 | // temporarily set to 1.0f
|
---|
| 602 | pvs.AddSample(*oit, 1.0f);
|
---|
| 603 | //Debug << "y";
|
---|
| 604 | }
|
---|
| 605 | else
|
---|
| 606 | {
|
---|
| 607 | Debug << "x";
|
---|
| 608 | //Debug << "StartViewCellPvs error: object with id " << objId << " does not exist" << endl;
|
---|
| 609 | }
|
---|
| 610 | #endif
|
---|
| 611 | }
|
---|
| 612 | }
|
---|
| 613 |
|
---|
| 614 |
|
---|
| 615 | void ViewCellsParseHandlers::StartViewSpaceHierarchy(AttributeList& attributes)
|
---|
| 616 | {
|
---|
| 617 | int len = attributes.getLength();
|
---|
| 618 |
|
---|
| 619 | Vector3 bmin, bmax;
|
---|
| 620 |
|
---|
| 621 | for (int i = 0; i < len; ++ i)
|
---|
| 622 | {
|
---|
| 623 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 624 | StrX attrValue(attributes.getValue(i));
|
---|
| 625 | const char *ptr = attrValue.LocalForm();
|
---|
| 626 |
|
---|
| 627 | // hierarchy type
|
---|
| 628 | if (attrName == "type")
|
---|
| 629 | {
|
---|
| 630 | if (strcmp(ptr, "bsp") == 0)
|
---|
| 631 | {
|
---|
| 632 | Debug << "\nview space hierarchy: Bsp" << endl;
|
---|
| 633 | mViewSpaceHierarchyType = BSP;
|
---|
| 634 | }
|
---|
| 635 | else if (strcmp(ptr, "vsp") == 0)
|
---|
| 636 | {
|
---|
| 637 | Debug << "\nview space hierarchy: Vsp" << endl;
|
---|
| 638 | mViewSpaceHierarchyType = VSP;
|
---|
| 639 | }
|
---|
| 640 | }
|
---|
| 641 | else if (attrName == "min") // the view space extent
|
---|
| 642 | {
|
---|
| 643 | sscanf(ptr, "%f %f %f",
|
---|
| 644 | &bmin.x, &bmin.y, &bmin.z);
|
---|
| 645 | }
|
---|
| 646 | else if (attrName == "max")
|
---|
| 647 | {
|
---|
| 648 | sscanf(ptr, "%f %f %f",
|
---|
| 649 | &bmax.x, &bmax.y, &bmax.z);
|
---|
| 650 | }
|
---|
| 651 | }
|
---|
| 652 |
|
---|
| 653 | mViewSpaceBox = AxisAlignedBox3(bmin, bmax);
|
---|
| 654 |
|
---|
| 655 | // create the hierarchy based on this information
|
---|
| 656 | CreateViewSpaceHierarchy();
|
---|
| 657 | }
|
---|
| 658 |
|
---|
| 659 |
|
---|
| 660 | void ViewCellsParseHandlers::StartObjectSpaceHierarchy(AttributeList& attributes)
|
---|
| 661 | {
|
---|
| 662 | const int len = attributes.getLength();
|
---|
| 663 | Vector3 bmin, bmax;
|
---|
| 664 |
|
---|
| 665 | for (int i = 0; i < len; ++ i)
|
---|
| 666 | {
|
---|
| 667 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 668 | StrX attrValue(attributes.getValue(i));
|
---|
| 669 | const char *ptr = attrValue.LocalForm();
|
---|
| 670 |
|
---|
| 671 | // hierarchy type
|
---|
| 672 | if (attrName == "type")
|
---|
| 673 | {
|
---|
| 674 | if (strcmp(ptr, "osp") == 0)
|
---|
| 675 | {
|
---|
| 676 | Debug << "\nobject space hierarchy: Osp" << endl;
|
---|
| 677 |
|
---|
| 678 | mHierarchyManager =
|
---|
| 679 | new HierarchyManager(HierarchyManager::KD_BASED_OBJ_SUBDIV);
|
---|
| 680 |
|
---|
| 681 | DEL_PTR(mHierarchyManager->mVspTree);
|
---|
| 682 | mHierarchyManager->mVspTree = mVspTree;
|
---|
| 683 |
|
---|
| 684 | mObjectSpaceHierarchyType = OSP;
|
---|
| 685 |
|
---|
| 686 | //std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
| 687 | mHierarchyManager->mOspTree->mBoundingBox.Initialize();
|
---|
| 688 | ObjectContainer::const_iterator oit, oit_end = mPvsObjects.end();
|
---|
| 689 |
|
---|
| 690 | //-- compute bounding box
|
---|
| 691 | for (oit = mPvsObjects.begin(); oit != oit_end; ++ oit)
|
---|
| 692 | {
|
---|
| 693 | Intersectable *obj = *oit;
|
---|
| 694 | // compute bounding box of view space
|
---|
| 695 | mHierarchyManager->mOspTree->mBoundingBox.Include(obj->GetBox());
|
---|
| 696 | }
|
---|
| 697 | }
|
---|
| 698 | else if (strcmp(ptr, "bvh") == 0)
|
---|
| 699 | {
|
---|
| 700 | Debug << "\nobject space hierarchy: Bvh" << endl;
|
---|
| 701 | mObjectSpaceHierarchyType = BVH;
|
---|
| 702 | mHierarchyManager =
|
---|
| 703 | new HierarchyManager(HierarchyManager::BV_BASED_OBJ_SUBDIV);
|
---|
| 704 |
|
---|
| 705 | DEL_PTR(mHierarchyManager->mVspTree);
|
---|
| 706 | mHierarchyManager->mVspTree = mVspTree;
|
---|
| 707 | }
|
---|
| 708 | }
|
---|
| 709 | }
|
---|
| 710 | }
|
---|
| 711 |
|
---|
| 712 |
|
---|
| 713 | void ViewCellsParseHandlers::StartBoundingBox(AttributeList& attributes)
|
---|
| 714 | {
|
---|
| 715 | int len = attributes.getLength();
|
---|
| 716 |
|
---|
| 717 | Vector3 bmin, bmax;
|
---|
| 718 | int id;
|
---|
| 719 |
|
---|
| 720 | for (int i = 0; i < len; ++ i)
|
---|
| 721 | {
|
---|
| 722 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 723 | StrX attrValue(attributes.getValue(i));
|
---|
| 724 | const char *ptr = attrValue.LocalForm();
|
---|
| 725 |
|
---|
| 726 | if (attrName == "id")
|
---|
| 727 | {
|
---|
| 728 | sscanf(ptr, "%d", &id);
|
---|
| 729 | }
|
---|
| 730 | if (attrName == "min")
|
---|
| 731 | {
|
---|
| 732 | sscanf(ptr, "%f %f %f", &bmin.x, &bmin.y, &bmin.z);
|
---|
| 733 | }
|
---|
| 734 | else if (attrName == "max")
|
---|
| 735 | {
|
---|
| 736 | sscanf(ptr, "%f %f %f", &bmax.x, &bmax.y, &bmax.z);
|
---|
| 737 | }
|
---|
| 738 | }
|
---|
| 739 |
|
---|
| 740 | AxisAlignedBox3 box(bmin, bmax);
|
---|
| 741 | mIBoundingBoxes.push_back(IndexedBoundingBox(id, box));
|
---|
| 742 | //Debug << "bbox: " << box << endl;
|
---|
| 743 | }
|
---|
| 744 |
|
---|
| 745 |
|
---|
| 746 | void ViewCellsParseHandlers::StartBspLeaf(AttributeList& attributes)
|
---|
| 747 | {
|
---|
| 748 | BspLeaf * leaf;
|
---|
| 749 |
|
---|
| 750 | if (mCurrentBspNode) // replace front or (if not NULL) back child
|
---|
| 751 | {
|
---|
| 752 | BspInterior *interior = static_cast<BspInterior *>(mCurrentBspNode);
|
---|
| 753 |
|
---|
| 754 | leaf = new BspLeaf(interior);
|
---|
| 755 | interior->ReplaceChildLink(NULL, leaf);
|
---|
| 756 | }
|
---|
| 757 | else
|
---|
| 758 | {
|
---|
| 759 | leaf = new BspLeaf();
|
---|
| 760 | mVspBspTree->mRoot = leaf;
|
---|
| 761 | }
|
---|
| 762 |
|
---|
| 763 | ///////////
|
---|
| 764 | //-- find associated view cell
|
---|
| 765 |
|
---|
| 766 | int viewCellId;
|
---|
| 767 | const int len = attributes.getLength();
|
---|
| 768 |
|
---|
| 769 | for (int i = 0; i < len; ++ i)
|
---|
| 770 | {
|
---|
| 771 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 772 | StrX attrValue(attributes.getValue(i));
|
---|
| 773 |
|
---|
| 774 | const char *ptr = attrValue.LocalForm();
|
---|
| 775 | char *endptr = NULL;
|
---|
| 776 |
|
---|
| 777 | if (attrName == "viewCellId")
|
---|
| 778 | {
|
---|
| 779 | viewCellId = strtol(ptr, &endptr, 10);
|
---|
| 780 | }
|
---|
| 781 | }
|
---|
| 782 |
|
---|
| 783 | if (viewCellId >= 0) // valid view cell found
|
---|
| 784 | {
|
---|
| 785 | // TODO: get view cell with specified id
|
---|
| 786 | ViewCellInterior dummyVc;
|
---|
| 787 | dummyVc.SetId(viewCellId);
|
---|
| 788 |
|
---|
| 789 | ViewCellContainer::iterator vit =
|
---|
| 790 | lower_bound(mViewCells.begin(), mViewCells.end(), &dummyVc, vlt);
|
---|
| 791 |
|
---|
| 792 | //ViewCellsMap::iterator vit = mViewCells.find(viewCellId);
|
---|
| 793 | // BspViewCell *viewCell = static_cast<BspViewCell *>((*vit).second);
|
---|
| 794 |
|
---|
| 795 | BspViewCell *viewCell = static_cast<BspViewCell *>(*vit);
|
---|
| 796 | if (viewCell->GetId() == viewCellId)
|
---|
| 797 | {
|
---|
| 798 | // create new view cell for bsp nodes
|
---|
| 799 | leaf->SetViewCell(viewCell);
|
---|
| 800 | viewCell->mLeaves.push_back(leaf);
|
---|
| 801 | }
|
---|
| 802 | else
|
---|
| 803 | {
|
---|
| 804 | cerr << "error: view cell does not exist" << endl;
|
---|
| 805 | }
|
---|
| 806 | }
|
---|
| 807 | else
|
---|
| 808 | {
|
---|
| 809 | // add to invalid view space
|
---|
| 810 | leaf->SetViewCell(mVspBspTree->GetOrCreateOutOfBoundsCell());
|
---|
| 811 | leaf->SetTreeValid(false);
|
---|
| 812 | mVspBspTree->PropagateUpValidity(leaf);
|
---|
| 813 | }
|
---|
| 814 | }
|
---|
| 815 |
|
---|
| 816 |
|
---|
| 817 | void ViewCellsParseHandlers::StartBspInterior(AttributeList& attributes)
|
---|
| 818 | {
|
---|
| 819 | Plane3 plane;
|
---|
| 820 | int len = attributes.getLength();
|
---|
| 821 |
|
---|
| 822 | for (int i = 0; i < len; ++ i)
|
---|
| 823 | {
|
---|
| 824 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 825 | StrX attrValue(attributes.getValue(i));
|
---|
| 826 | const char *ptr = attrValue.LocalForm();
|
---|
| 827 |
|
---|
| 828 | if (attrName == "plane")
|
---|
| 829 | {
|
---|
| 830 | sscanf(ptr, "%f %f %f %f",
|
---|
| 831 | &plane.mNormal.x, &plane.mNormal.y, &plane.mNormal.z, &plane.mD);
|
---|
| 832 | }
|
---|
| 833 | }
|
---|
| 834 |
|
---|
| 835 | BspInterior* interior = new BspInterior(plane);
|
---|
| 836 |
|
---|
| 837 | if (mCurrentBspNode) // replace NULL child of parent with current node
|
---|
| 838 | {
|
---|
| 839 | BspInterior *parent = static_cast<BspInterior *>(mCurrentBspNode);
|
---|
| 840 |
|
---|
| 841 | parent->ReplaceChildLink(NULL, interior);
|
---|
| 842 | interior->SetParent(parent);
|
---|
| 843 | }
|
---|
| 844 | else
|
---|
| 845 | {
|
---|
| 846 | mVspBspTree->mRoot = interior;
|
---|
| 847 | }
|
---|
| 848 |
|
---|
| 849 | mCurrentBspNode = interior;
|
---|
| 850 | }
|
---|
| 851 |
|
---|
| 852 |
|
---|
| 853 | void ViewCellsParseHandlers::StartViewCell(AttributeList& attributes, const bool isLeaf)
|
---|
| 854 | {
|
---|
| 855 | ViewCell *viewCell = NULL;
|
---|
| 856 |
|
---|
| 857 | const int len = attributes.getLength();
|
---|
| 858 | float mergeCost;
|
---|
| 859 |
|
---|
| 860 | if (isLeaf)
|
---|
| 861 | {
|
---|
| 862 | viewCell = new ViewCellLeaf();
|
---|
| 863 | }
|
---|
| 864 | else
|
---|
| 865 | {
|
---|
| 866 | viewCell = new ViewCellInterior();
|
---|
| 867 | }
|
---|
| 868 |
|
---|
| 869 | for (int i = 0; i < len; ++ i)
|
---|
| 870 | {
|
---|
| 871 | const string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 872 |
|
---|
| 873 | if (attrName == "id")
|
---|
| 874 | {
|
---|
| 875 | const StrX attrValue(attributes.getValue(i));
|
---|
| 876 | const char *ptr = attrValue.LocalForm();
|
---|
| 877 | char *endptr = NULL;
|
---|
| 878 | const int id = strtol(ptr, &endptr, 10);
|
---|
| 879 |
|
---|
| 880 | // create new view cell, otherwise use reference.
|
---|
| 881 | viewCell->SetId(id);
|
---|
| 882 |
|
---|
| 883 | if (mCurrentViewCell) // replace front or (if not NULL) back child
|
---|
| 884 | {
|
---|
| 885 | ViewCellInterior *interior =
|
---|
| 886 | static_cast<ViewCellInterior *>(mCurrentViewCell);
|
---|
| 887 | interior->SetupChildLink(viewCell);
|
---|
| 888 | }
|
---|
| 889 | else
|
---|
| 890 | { // set the new root
|
---|
| 891 | mViewCellsTree->SetRoot(viewCell);
|
---|
| 892 | }
|
---|
| 893 |
|
---|
| 894 | if (!isLeaf)
|
---|
| 895 | {
|
---|
| 896 | mCurrentViewCell = viewCell;
|
---|
| 897 | }
|
---|
| 898 | }
|
---|
| 899 | if (attrName == "pvs")
|
---|
| 900 | {
|
---|
| 901 | StrX attrValue(attributes.getValue(i));
|
---|
| 902 | const char *ptr = attrValue.LocalForm();
|
---|
| 903 |
|
---|
| 904 | // note: id must come before pvs!
|
---|
| 905 | // otherwise view cell is undefined
|
---|
| 906 |
|
---|
| 907 | // hack: assume that view cell comes before pvs
|
---|
| 908 | StartViewCellPvs(viewCell->GetPvs(), ptr);
|
---|
| 909 | //StartViewCellPvs(pvs, ptr);
|
---|
| 910 | }
|
---|
| 911 | else if (attrName == "active")
|
---|
| 912 | {
|
---|
| 913 | StrX attrValue(attributes.getValue(i));
|
---|
| 914 | const char *ptr = attrValue.LocalForm();
|
---|
| 915 | char *endptr = NULL;
|
---|
| 916 | const bool isActive = (bool)strtol(ptr, &endptr, 10);
|
---|
| 917 |
|
---|
| 918 | if (isActive)
|
---|
| 919 | {
|
---|
| 920 | // TODO
|
---|
| 921 | }
|
---|
| 922 | }
|
---|
| 923 | else if (attrName == "mergecost")
|
---|
| 924 | {
|
---|
| 925 | StrX attrValue(attributes.getValue(i));
|
---|
| 926 |
|
---|
| 927 | const char *ptr = attrValue.LocalForm();
|
---|
| 928 | char *endptr = NULL;
|
---|
| 929 | mergeCost = (float)strtod(ptr, &endptr);
|
---|
| 930 | }
|
---|
| 931 | }
|
---|
| 932 |
|
---|
| 933 | viewCell->SetMergeCost(mergeCost);
|
---|
| 934 | //viewCell->SetPvs(pvs);
|
---|
| 935 | mViewCells.push_back(viewCell);
|
---|
| 936 | }
|
---|
| 937 |
|
---|
| 938 |
|
---|
| 939 | void ViewCellsParseHandlers::CreateViewSpaceHierarchy()
|
---|
| 940 | {
|
---|
| 941 | if (mViewSpaceHierarchyType == BSP)
|
---|
| 942 | {
|
---|
| 943 | Debug << "hierarchy type: Bsp" << endl;
|
---|
| 944 | mVspBspTree = new VspBspTree();
|
---|
| 945 |
|
---|
| 946 | // set view space box
|
---|
| 947 | mVspBspTree->mBoundingBox = mViewSpaceBox;
|
---|
| 948 |
|
---|
| 949 | //ViewCellsMap::iterator vit, vit_end = mViewCells.end();
|
---|
| 950 | ViewCellContainer::iterator vit, vit_end = mViewCells.end();
|
---|
| 951 |
|
---|
| 952 | int i = 0;
|
---|
| 953 | // remove view cells and exchange them with the
|
---|
| 954 | // view cells specialized for the current hierarchy node type
|
---|
| 955 | for (vit = mViewCells.begin(); vit != vit_end; ++ vit, ++ i)
|
---|
| 956 | {
|
---|
| 957 | //if ((i % 1000) == 0)
|
---|
| 958 | // Debug << "\n exchanged " << i << " boxes" << endl;
|
---|
| 959 | ViewCell *vc = (*vit);
|
---|
| 960 |
|
---|
| 961 | if (!vc->IsLeaf()) // exchange only leaves
|
---|
| 962 | continue;
|
---|
| 963 |
|
---|
| 964 | BspViewCell *bspVc = new BspViewCell();
|
---|
| 965 |
|
---|
| 966 | bspVc->SetId(vc->GetId());
|
---|
| 967 | //bspVc->GetPvs().reserve(vc->GetPvs().size());
|
---|
| 968 | bspVc->SetPvs(vc->GetPvs());
|
---|
| 969 |
|
---|
| 970 | if (vc->IsRoot())
|
---|
| 971 | {
|
---|
| 972 | mViewCellsTree->mRoot = bspVc;
|
---|
| 973 | }
|
---|
| 974 | else
|
---|
| 975 | {
|
---|
| 976 | vc->GetParent()->ReplaceChildLink(vc, bspVc);
|
---|
| 977 | }
|
---|
| 978 |
|
---|
| 979 | // delete old view cell
|
---|
| 980 | DEL_PTR(vc);
|
---|
| 981 |
|
---|
| 982 | // (*vit).second = bspVc;
|
---|
| 983 | (*vit) = bspVc;
|
---|
| 984 | }
|
---|
| 985 | cout << "finished creating view space hierarchy" << endl;
|
---|
| 986 | }
|
---|
| 987 | else if (mViewSpaceHierarchyType == VSP)
|
---|
| 988 | {
|
---|
| 989 | Debug << "hierarchy type: Vsp" << endl;
|
---|
| 990 | mVspTree = new VspTree();
|
---|
| 991 |
|
---|
| 992 | // set view space box
|
---|
| 993 | mVspTree->mBoundingBox = mViewSpaceBox;
|
---|
| 994 |
|
---|
| 995 | // ViewCellsMap::iterator vit, vit_end = mViewCells.end();
|
---|
| 996 | ViewCellContainer::iterator vit, vit_end = mViewCells.end();
|
---|
| 997 |
|
---|
| 998 | // reset view cells using the current node type
|
---|
| 999 | for (vit = mViewCells.begin(); vit != vit_end; ++ vit)
|
---|
| 1000 | {
|
---|
| 1001 | //ViewCell *vc = (*vit).second;
|
---|
| 1002 | ViewCell *vc = (*vit);
|
---|
| 1003 |
|
---|
| 1004 | if (!vc->IsLeaf()) // exchange only leaves
|
---|
| 1005 | continue;
|
---|
| 1006 |
|
---|
| 1007 | VspViewCell *vspVc = new VspViewCell();
|
---|
| 1008 |
|
---|
| 1009 | vspVc->SetPvs(vc->GetPvs());
|
---|
| 1010 | vspVc->SetId(vc->GetId());
|
---|
| 1011 |
|
---|
| 1012 | if (vc->IsRoot())
|
---|
| 1013 | {
|
---|
| 1014 | mViewCellsTree->mRoot = vspVc;
|
---|
| 1015 | }
|
---|
| 1016 | else
|
---|
| 1017 | {
|
---|
| 1018 | vc->GetParent()->ReplaceChildLink(vc, vspVc);
|
---|
| 1019 | }
|
---|
| 1020 |
|
---|
| 1021 | // exchange view cell with new one
|
---|
| 1022 | DEL_PTR(vc);
|
---|
| 1023 |
|
---|
| 1024 | //(*vit).second = vspVc;
|
---|
| 1025 | (*vit) = vspVc;
|
---|
| 1026 | }
|
---|
| 1027 |
|
---|
| 1028 | if (mHierarchyManager)
|
---|
| 1029 | {
|
---|
| 1030 | // come here only if object space hierarchy already constructed
|
---|
| 1031 | mHierarchyManager->mVspTree = mVspTree;
|
---|
| 1032 | mVspTree->mHierarchyManager = mHierarchyManager;
|
---|
| 1033 | }
|
---|
| 1034 | }
|
---|
| 1035 | }
|
---|
| 1036 |
|
---|
| 1037 |
|
---|
| 1038 | void ViewCellsParseHandlers::CreateViewCellsManager()
|
---|
| 1039 | {
|
---|
| 1040 | if (mViewSpaceHierarchyType == BSP)
|
---|
| 1041 | {
|
---|
| 1042 | Debug << "\ncreating view cells manager: VspBsp" << endl;
|
---|
| 1043 | mViewCellsManager = new VspBspViewCellsManager(mViewCellsTree, mVspBspTree);
|
---|
| 1044 | }
|
---|
| 1045 | else if (mViewSpaceHierarchyType == VSP)
|
---|
| 1046 | {
|
---|
| 1047 | Debug << "\ncreating view cells manager: VspOsp" << endl;
|
---|
| 1048 | mViewCellsManager = new VspOspViewCellsManager(mViewCellsTree, mHierarchyManager);
|
---|
| 1049 | }
|
---|
| 1050 |
|
---|
| 1051 | mViewCellsManager->SetViewSpaceBox(mViewSpaceBox);
|
---|
| 1052 | }
|
---|
| 1053 |
|
---|
| 1054 |
|
---|
| 1055 | void ViewCellsParseHandlers::characters(const XMLCh* const chars,
|
---|
| 1056 | const unsigned int length)
|
---|
| 1057 | {
|
---|
| 1058 | mCharacterCount += length;
|
---|
| 1059 | }
|
---|
| 1060 |
|
---|
| 1061 |
|
---|
| 1062 | void ViewCellsParseHandlers::ignorableWhitespace(const XMLCh* const chars,
|
---|
| 1063 | const unsigned int length)
|
---|
| 1064 | {
|
---|
| 1065 | mSpaceCount += length;
|
---|
| 1066 | }
|
---|
| 1067 |
|
---|
| 1068 |
|
---|
| 1069 | void ViewCellsParseHandlers::resetDocument()
|
---|
| 1070 | {
|
---|
| 1071 | mAttrCount = 0;
|
---|
| 1072 | mCharacterCount = 0;
|
---|
| 1073 | mElementCount = 0;
|
---|
| 1074 | mSpaceCount = 0;
|
---|
| 1075 | }
|
---|
| 1076 |
|
---|
| 1077 |
|
---|
| 1078 | void ViewCellsParseHandlers::StartVspLeaf(AttributeList& attributes)
|
---|
| 1079 | {
|
---|
| 1080 | VspLeaf * leaf;
|
---|
| 1081 |
|
---|
| 1082 | if (mCurrentVspNode) // replace front or (if not NULL) back child
|
---|
| 1083 | {
|
---|
| 1084 | VspInterior *interior = static_cast<VspInterior *>(mCurrentVspNode);
|
---|
| 1085 | leaf = new VspLeaf(interior);
|
---|
| 1086 | interior->ReplaceChildLink(NULL, leaf);
|
---|
| 1087 | }
|
---|
| 1088 | else
|
---|
| 1089 | {
|
---|
| 1090 | leaf = new VspLeaf();
|
---|
| 1091 | mVspTree->mRoot = leaf;
|
---|
| 1092 | }
|
---|
| 1093 |
|
---|
| 1094 | /////////////
|
---|
| 1095 | //-- find view cell associated with the id
|
---|
| 1096 |
|
---|
| 1097 | int viewCellId;
|
---|
| 1098 | const int len = attributes.getLength();
|
---|
| 1099 |
|
---|
| 1100 | for (int i = 0; i < len; ++ i)
|
---|
| 1101 | {
|
---|
| 1102 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 1103 | StrX attrValue(attributes.getValue(i));
|
---|
| 1104 |
|
---|
| 1105 | const char *ptr = attrValue.LocalForm();
|
---|
| 1106 | char *endptr = NULL;
|
---|
| 1107 |
|
---|
| 1108 | if (attrName == "viewCellId")
|
---|
| 1109 | {
|
---|
| 1110 | viewCellId = strtol(ptr, &endptr, 10);
|
---|
| 1111 | }
|
---|
| 1112 | }
|
---|
| 1113 |
|
---|
| 1114 | if (viewCellId >= 0) // valid view cell found
|
---|
| 1115 | {
|
---|
| 1116 | // TODO: get view cell with specified id
|
---|
| 1117 | ViewCellInterior dummyVc;
|
---|
| 1118 | dummyVc.SetId(viewCellId);
|
---|
| 1119 |
|
---|
| 1120 | ViewCellContainer::iterator vit =
|
---|
| 1121 | lower_bound(mViewCells.begin(), mViewCells.end(), &dummyVc, vlt);
|
---|
| 1122 |
|
---|
| 1123 | //ViewCellsMap::iterator vit = mViewCells.find(viewCellId);
|
---|
| 1124 | if (vit == mViewCells.end())
|
---|
| 1125 | Debug << "error: view cell " << viewCellId << " not found" << endl;
|
---|
| 1126 |
|
---|
| 1127 | //VspViewCell *viewCell = static_cast<VspViewCell *>((*vit).second);
|
---|
| 1128 | VspViewCell *viewCell = static_cast<VspViewCell *>(*vit);
|
---|
| 1129 |
|
---|
| 1130 | if (viewCell->GetId() == viewCellId)
|
---|
| 1131 | {
|
---|
| 1132 | leaf->SetViewCell(viewCell);
|
---|
| 1133 | viewCell->mLeaves.push_back(leaf);
|
---|
| 1134 | }
|
---|
| 1135 | else
|
---|
| 1136 | {
|
---|
| 1137 | Debug << "error: view cell does not exist" << endl;
|
---|
| 1138 | }
|
---|
| 1139 | }
|
---|
| 1140 | else
|
---|
| 1141 | {
|
---|
| 1142 | // add to invalid view space
|
---|
| 1143 | leaf->SetViewCell(mVspTree->GetOrCreateOutOfBoundsCell());
|
---|
| 1144 | leaf->SetTreeValid(false);
|
---|
| 1145 | mVspTree->PropagateUpValidity(leaf);
|
---|
| 1146 | }
|
---|
| 1147 | }
|
---|
| 1148 |
|
---|
| 1149 |
|
---|
| 1150 | void ViewCellsParseHandlers::StartVspInterior(AttributeList& attributes)
|
---|
| 1151 | {
|
---|
| 1152 | AxisAlignedPlane plane;
|
---|
| 1153 | const int len = attributes.getLength();
|
---|
| 1154 |
|
---|
| 1155 | for (int i = 0; i < len; ++ i)
|
---|
| 1156 | {
|
---|
| 1157 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 1158 | StrX attrValue(attributes.getValue(i));
|
---|
| 1159 | const char *ptr = attrValue.LocalForm();
|
---|
| 1160 |
|
---|
| 1161 | if (attrName == "plane")
|
---|
| 1162 | {
|
---|
| 1163 | sscanf(ptr, "%f %d", &plane.mPosition, &plane.mAxis);
|
---|
| 1164 | }
|
---|
| 1165 | }
|
---|
| 1166 |
|
---|
| 1167 | VspInterior* interior = new VspInterior(plane);
|
---|
| 1168 |
|
---|
| 1169 | if (mCurrentVspNode) // replace NULL child of parent with current node
|
---|
| 1170 | {
|
---|
| 1171 | VspInterior *parent = static_cast<VspInterior *>(mCurrentVspNode);
|
---|
| 1172 |
|
---|
| 1173 | parent->ReplaceChildLink(NULL, interior);
|
---|
| 1174 | interior->SetParent(parent);
|
---|
| 1175 |
|
---|
| 1176 | AxisAlignedBox3 frontBox, backBox;
|
---|
| 1177 |
|
---|
| 1178 | parent->GetBoundingBox().Split(
|
---|
| 1179 | parent->GetPlane().mAxis,
|
---|
| 1180 | parent->GetPlane().mPosition,
|
---|
| 1181 | frontBox,
|
---|
| 1182 | backBox);
|
---|
| 1183 |
|
---|
| 1184 | if (parent->GetFront() == interior)
|
---|
| 1185 | interior->SetBoundingBox(frontBox);
|
---|
| 1186 | else
|
---|
| 1187 | interior->SetBoundingBox(backBox);
|
---|
| 1188 | }
|
---|
| 1189 | else
|
---|
| 1190 | {
|
---|
| 1191 | mVspTree->mRoot = interior;
|
---|
| 1192 | interior->SetBoundingBox(mVspTree->GetBoundingBox());
|
---|
| 1193 | }
|
---|
| 1194 |
|
---|
| 1195 | mCurrentVspNode = interior;
|
---|
| 1196 | }
|
---|
| 1197 |
|
---|
| 1198 |
|
---|
| 1199 | void ViewCellsParseHandlers::StartOspInterior(AttributeList& attributes)
|
---|
| 1200 | {
|
---|
| 1201 | AxisAlignedPlane plane;
|
---|
| 1202 | int len = attributes.getLength();
|
---|
| 1203 |
|
---|
| 1204 | for (int i = 0; i < len; ++ i)
|
---|
| 1205 | {
|
---|
| 1206 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 1207 | StrX attrValue(attributes.getValue(i));
|
---|
| 1208 | const char *ptr = attrValue.LocalForm();
|
---|
| 1209 |
|
---|
| 1210 | if (attrName == "plane")
|
---|
| 1211 | {
|
---|
| 1212 | sscanf(ptr, "%f %d", &plane.mPosition, &plane.mAxis);
|
---|
| 1213 | }
|
---|
| 1214 | }
|
---|
| 1215 |
|
---|
| 1216 | KdInterior* interior = new KdInterior(NULL);
|
---|
| 1217 |
|
---|
| 1218 | interior->mAxis = plane.mAxis;
|
---|
| 1219 | interior->mPosition = plane.mPosition;
|
---|
| 1220 |
|
---|
| 1221 | if (mCurrentOspNode) // replace NULL child of parent with current node
|
---|
| 1222 | {
|
---|
| 1223 | KdInterior *parent = static_cast<KdInterior *>(mCurrentOspNode);
|
---|
| 1224 | parent->ReplaceChildLink(NULL, interior);
|
---|
| 1225 | interior->mParent = parent;
|
---|
| 1226 |
|
---|
| 1227 | AxisAlignedBox3 frontBox, backBox;
|
---|
| 1228 |
|
---|
| 1229 | parent->mBox.Split(parent->mAxis, parent->mPosition, frontBox, backBox);
|
---|
| 1230 |
|
---|
| 1231 | if (parent->mFront == interior)
|
---|
| 1232 | interior->mBox = frontBox;
|
---|
| 1233 | else
|
---|
| 1234 | interior->mBox = backBox;
|
---|
| 1235 | }
|
---|
| 1236 | else
|
---|
| 1237 | {
|
---|
| 1238 | mHierarchyManager->mOspTree->mRoot = interior;
|
---|
| 1239 | interior->mBox = mHierarchyManager->mOspTree->mBoundingBox;
|
---|
| 1240 | }
|
---|
| 1241 |
|
---|
| 1242 | mCurrentOspNode = interior;
|
---|
| 1243 | }
|
---|
| 1244 |
|
---|
| 1245 |
|
---|
| 1246 | void ViewCellsParseHandlers::StartOspLeaf(AttributeList& attributes)
|
---|
| 1247 | {
|
---|
| 1248 | KdLeaf * leaf = new KdLeaf(static_cast<KdInterior *>(mCurrentOspNode), NULL);
|
---|
| 1249 |
|
---|
| 1250 | if (mCurrentOspNode)
|
---|
| 1251 | {
|
---|
| 1252 | // replace front or (if not NULL) back child
|
---|
| 1253 | static_cast<KdInterior *>(mCurrentOspNode)->ReplaceChildLink(NULL, leaf);
|
---|
| 1254 | }
|
---|
| 1255 | else
|
---|
| 1256 | {
|
---|
| 1257 | mHierarchyManager->mOspTree->mRoot = leaf;
|
---|
| 1258 | }
|
---|
| 1259 | }
|
---|
| 1260 |
|
---|
| 1261 |
|
---|
| 1262 | void ViewCellsParseHandlers::StartBvhLeaf(AttributeList& attributes)
|
---|
| 1263 | {
|
---|
| 1264 | const int len = attributes.getLength();
|
---|
| 1265 | Vector3 minBox, maxBox;
|
---|
| 1266 |
|
---|
| 1267 | ObjectContainer objects;
|
---|
| 1268 |
|
---|
| 1269 | for (int i = 0; i < len; ++ i)
|
---|
| 1270 | {
|
---|
| 1271 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 1272 | StrX attrValue(attributes.getValue(i));
|
---|
| 1273 | const char *ptr = attrValue.LocalForm();
|
---|
| 1274 |
|
---|
| 1275 | if (attrName == "min")
|
---|
| 1276 | {
|
---|
| 1277 | sscanf(ptr, "%f %f %f", &minBox.x, &minBox.y, &minBox.z);
|
---|
| 1278 | }
|
---|
| 1279 | if (attrName == "max")
|
---|
| 1280 | {
|
---|
| 1281 | sscanf(ptr, "%f %f %f", &maxBox.x, &maxBox.y, &maxBox.z);
|
---|
| 1282 | }
|
---|
| 1283 | if (attrName == "objects")
|
---|
| 1284 | {
|
---|
| 1285 | StartBvhLeafObjects(objects, ptr);
|
---|
| 1286 | }
|
---|
| 1287 | }
|
---|
| 1288 |
|
---|
| 1289 | AxisAlignedBox3 box = AxisAlignedBox3(minBox, maxBox);
|
---|
| 1290 |
|
---|
| 1291 | BvhLeaf *leaf;
|
---|
| 1292 |
|
---|
| 1293 | if (mCurrentBvhNode) // replace front or (if not NULL) back child
|
---|
| 1294 | {
|
---|
| 1295 | BvhInterior *interior = static_cast<BvhInterior *>(mCurrentBvhNode);
|
---|
| 1296 | leaf = new BvhLeaf(box, interior, (int)objects.size());
|
---|
| 1297 | interior->ReplaceChildLink(NULL, leaf);
|
---|
| 1298 | }
|
---|
| 1299 | else
|
---|
| 1300 | {
|
---|
| 1301 | leaf = new BvhLeaf(box, NULL, (int)objects.size());
|
---|
| 1302 | mHierarchyManager->mBvHierarchy->mRoot = leaf;
|
---|
| 1303 | }
|
---|
| 1304 |
|
---|
| 1305 | leaf->mObjects = objects;
|
---|
| 1306 | BvHierarchy::AssociateObjectsWithLeaf(leaf);
|
---|
| 1307 |
|
---|
| 1308 | if (PVS_HACK)
|
---|
| 1309 | {
|
---|
| 1310 | if (0) // Temp matt: should already have right id
|
---|
| 1311 | leaf->SetId((int)mBvhLeaves.size());
|
---|
| 1312 |
|
---|
| 1313 | mBvhLeaves.push_back(leaf);
|
---|
| 1314 | }
|
---|
| 1315 | }
|
---|
| 1316 |
|
---|
| 1317 |
|
---|
| 1318 | void ViewCellsParseHandlers::StartBvhLeafObjects(ObjectContainer &objects,
|
---|
| 1319 | const char *ptr)
|
---|
| 1320 | {
|
---|
| 1321 | vector<int> objIndices;
|
---|
| 1322 | char *endptr;
|
---|
| 1323 |
|
---|
| 1324 | while (1)
|
---|
| 1325 | {
|
---|
| 1326 | const int index = strtol(ptr, &endptr, 10);
|
---|
| 1327 | if (ptr == endptr) break;
|
---|
| 1328 |
|
---|
| 1329 | objIndices.push_back(index);
|
---|
| 1330 | ptr = endptr;
|
---|
| 1331 | }
|
---|
| 1332 |
|
---|
| 1333 | MeshInstance dummyInst(NULL);
|
---|
| 1334 |
|
---|
| 1335 | vector<int>::const_iterator it, it_end = objIndices.end();
|
---|
| 1336 |
|
---|
| 1337 | for (it = objIndices.begin(); it != it_end; ++ it)
|
---|
| 1338 | {
|
---|
| 1339 | const int objId = *it;
|
---|
| 1340 | dummyInst.SetId(objId);
|
---|
| 1341 |
|
---|
| 1342 | ObjectContainer::iterator oit =
|
---|
| 1343 | lower_bound(mPvsObjects.begin(),
|
---|
| 1344 | mPvsObjects.end(),
|
---|
| 1345 | (Intersectable *)&dummyInst,
|
---|
| 1346 | ilt);
|
---|
| 1347 |
|
---|
| 1348 | if ((oit != mPvsObjects.end()) && ((*oit)->GetId() == objId))
|
---|
| 1349 | {
|
---|
| 1350 | objects.push_back(*oit);
|
---|
| 1351 | Debug << "x";
|
---|
| 1352 | }
|
---|
| 1353 | else
|
---|
| 1354 | {
|
---|
| 1355 | Debug << "y";
|
---|
| 1356 | //cerr << "StartBvhLeafObjects error: object with id " << objId << " does not exist" << endl;
|
---|
| 1357 | }
|
---|
| 1358 | }
|
---|
| 1359 | }
|
---|
| 1360 |
|
---|
| 1361 |
|
---|
| 1362 | void ViewCellsParseHandlers::StartBvhInterior(AttributeList& attributes)
|
---|
| 1363 | {
|
---|
| 1364 | const int len = attributes.getLength();
|
---|
| 1365 | Vector3 minBox, maxBox;
|
---|
| 1366 |
|
---|
| 1367 | for (int i = 0; i < len; ++ i)
|
---|
| 1368 | {
|
---|
| 1369 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
| 1370 | StrX attrValue(attributes.getValue(i));
|
---|
| 1371 | const char *ptr = attrValue.LocalForm();
|
---|
| 1372 |
|
---|
| 1373 | if (attrName == "min")
|
---|
| 1374 | {
|
---|
| 1375 | sscanf(ptr, "%f %f %f", &minBox.x, &minBox.y, &minBox.z);
|
---|
| 1376 | }
|
---|
| 1377 | if (attrName == "max")
|
---|
| 1378 | {
|
---|
| 1379 | sscanf(ptr, "%f %f %f", &maxBox.x, &maxBox.y, &maxBox.z);
|
---|
| 1380 | }
|
---|
| 1381 | }
|
---|
| 1382 |
|
---|
| 1383 | BvhInterior* interior = new BvhInterior(AxisAlignedBox3(minBox, maxBox));
|
---|
| 1384 |
|
---|
| 1385 | if (mCurrentBvhNode) // replace NULL child of parent with current node
|
---|
| 1386 | {
|
---|
| 1387 | BvhInterior *parent = static_cast<BvhInterior *>(mCurrentBvhNode);
|
---|
| 1388 | parent->ReplaceChildLink(NULL, interior);
|
---|
| 1389 | interior->SetParent(parent);
|
---|
| 1390 | }
|
---|
| 1391 | else
|
---|
| 1392 | {
|
---|
| 1393 | mHierarchyManager->mBvHierarchy->mRoot = interior;
|
---|
| 1394 | }
|
---|
| 1395 |
|
---|
| 1396 | mCurrentBvhNode = interior;
|
---|
| 1397 | }
|
---|
| 1398 |
|
---|
| 1399 |
|
---|
| 1400 | // ---------------------------------------------------------------------------
|
---|
| 1401 | // StdInParseHandlers: Overrides of the SAX ErrorHandler interface
|
---|
| 1402 | // ---------------------------------------------------------------------------
|
---|
| 1403 |
|
---|
| 1404 |
|
---|
| 1405 | void
|
---|
| 1406 | ViewCellsParseHandlers::error(const SAXParseException& e)
|
---|
| 1407 | {
|
---|
| 1408 | XERCES_STD_QUALIFIER cerr << "\nError at (file " << StrX(e.getSystemId())
|
---|
| 1409 | << ", line " << e.getLineNumber()
|
---|
| 1410 | << ", char " << e.getColumnNumber()
|
---|
| 1411 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
| 1412 | }
|
---|
| 1413 |
|
---|
| 1414 | void
|
---|
| 1415 | ViewCellsParseHandlers::fatalError(const SAXParseException& e)
|
---|
| 1416 | {
|
---|
| 1417 | XERCES_STD_QUALIFIER cerr << "\nFatal Error at (file " << StrX(e.getSystemId())
|
---|
| 1418 | << ", line " << e.getLineNumber()
|
---|
| 1419 | << ", char " << e.getColumnNumber()
|
---|
| 1420 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
| 1421 | }
|
---|
| 1422 |
|
---|
| 1423 | void
|
---|
| 1424 | ViewCellsParseHandlers::warning(const SAXParseException& e)
|
---|
| 1425 | {
|
---|
| 1426 | XERCES_STD_QUALIFIER cerr << "\nWarning at (file " << StrX(e.getSystemId())
|
---|
| 1427 | << ", line " << e.getLineNumber()
|
---|
| 1428 | << ", char " << e.getColumnNumber()
|
---|
| 1429 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
| 1430 | }
|
---|
| 1431 |
|
---|
| 1432 |
|
---|
| 1433 | bool ViewCellsParser::ParseViewCellsFile(const string &filename,
|
---|
| 1434 | ViewCellsManager **viewCells,
|
---|
| 1435 | ObjectContainer &pvsObjects,
|
---|
| 1436 | ObjectContainer &preprocessorObjects,
|
---|
| 1437 | BoundingBoxConverter *bconverter)
|
---|
| 1438 | {
|
---|
| 1439 | // Initialize the XML4C system
|
---|
| 1440 | try {
|
---|
| 1441 | XMLPlatformUtils::Initialize();
|
---|
| 1442 | }
|
---|
| 1443 |
|
---|
| 1444 | catch (const XMLException& toCatch)
|
---|
| 1445 | {
|
---|
| 1446 | XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
|
---|
| 1447 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
| 1448 | return false;
|
---|
| 1449 | }
|
---|
| 1450 |
|
---|
| 1451 | // cout<<"parsing started"<<endl<<flush;
|
---|
| 1452 |
|
---|
| 1453 | //
|
---|
| 1454 | // Create a SAX parser object. Then, according to what we were told on
|
---|
| 1455 | // the command line, set the options.
|
---|
| 1456 | //
|
---|
| 1457 | SAXParser* parser = new SAXParser;
|
---|
| 1458 | parser->setValidationScheme(valScheme);
|
---|
| 1459 | parser->setDoNamespaces(doNamespaces);
|
---|
| 1460 | parser->setDoSchema(doSchema);
|
---|
| 1461 | parser->setValidationSchemaFullChecking(schemaFullChecking);
|
---|
| 1462 |
|
---|
| 1463 |
|
---|
| 1464 | //
|
---|
| 1465 | // Create our SAX handler object and install it on the parser, as the
|
---|
| 1466 | // document and error handler. We are responsible for cleaning them
|
---|
| 1467 | // up, but since its just stack based here, there's nothing special
|
---|
| 1468 | // to do.
|
---|
| 1469 | //
|
---|
| 1470 | ViewCellsParseHandlers handler(pvsObjects, preprocessorObjects, bconverter);
|
---|
| 1471 | parser->setDocumentHandler(&handler);
|
---|
| 1472 | parser->setErrorHandler(&handler);
|
---|
| 1473 |
|
---|
| 1474 | unsigned long duration;
|
---|
| 1475 | int errorCount = 0;
|
---|
| 1476 | // create a faux scope so that 'src' destructor is called before
|
---|
| 1477 | // XMLPlatformUtils::Terminate
|
---|
| 1478 | {
|
---|
| 1479 | //
|
---|
| 1480 | // Kick off the parse and catch any exceptions. Create a standard
|
---|
| 1481 | // input input source and tell the parser to parse from that.
|
---|
| 1482 | //
|
---|
| 1483 | // StdInInputSource src;
|
---|
| 1484 | try
|
---|
| 1485 | {
|
---|
| 1486 | const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
| 1487 |
|
---|
| 1488 | #if USE_GZLIB
|
---|
| 1489 | XMLCh *myFilePath = XMLString::transcode(filename.c_str());
|
---|
| 1490 |
|
---|
| 1491 | GzFileInputSource isource(myFilePath);
|
---|
| 1492 | parser->parse(isource);
|
---|
| 1493 | #else
|
---|
| 1494 | parser->parse(filename.c_str());
|
---|
| 1495 |
|
---|
| 1496 | #endif
|
---|
| 1497 |
|
---|
| 1498 | if (1 && PVS_HACK)
|
---|
| 1499 | handler.ExchangeElements();
|
---|
| 1500 |
|
---|
| 1501 | const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
| 1502 | duration = endMillis - startMillis;
|
---|
| 1503 | errorCount = parser->getErrorCount();
|
---|
| 1504 | }
|
---|
| 1505 | catch (const OutOfMemoryException&)
|
---|
| 1506 | {
|
---|
| 1507 | XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
|
---|
| 1508 | errorCount = 2;
|
---|
| 1509 | return false;
|
---|
| 1510 | }
|
---|
| 1511 | catch (const XMLException& e)
|
---|
| 1512 | {
|
---|
| 1513 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: \n"
|
---|
| 1514 | << StrX(e.getMessage())
|
---|
| 1515 | << "\n" << XERCES_STD_QUALIFIER endl;
|
---|
| 1516 | errorCount = 1;
|
---|
| 1517 | return false;
|
---|
| 1518 | }
|
---|
| 1519 |
|
---|
| 1520 |
|
---|
| 1521 | // Print out the stats that we collected and time taken
|
---|
| 1522 | if (!errorCount) {
|
---|
| 1523 | XERCES_STD_QUALIFIER cerr << filename << ": " << duration << " ms ("
|
---|
| 1524 | << handler.GetElementCount() << " elems, "
|
---|
| 1525 | << handler.GetAttrCount() << " attrs, "
|
---|
| 1526 | << handler.GetSpaceCount() << " spaces, "
|
---|
| 1527 | << handler.GetCharacterCount() << " chars)" << XERCES_STD_QUALIFIER endl;
|
---|
| 1528 | }
|
---|
| 1529 | }
|
---|
| 1530 |
|
---|
| 1531 | cout<<"parsed - will delete the parser"<<endl<<flush;
|
---|
| 1532 | //
|
---|
| 1533 | // Delete the parser itself. Must be done prior to calling Terminate, below.
|
---|
| 1534 | //
|
---|
| 1535 | delete parser;
|
---|
| 1536 |
|
---|
| 1537 | XMLPlatformUtils::Terminate();
|
---|
| 1538 |
|
---|
| 1539 | //-- assign new view cells manager
|
---|
| 1540 | *viewCells = handler.mViewCellsManager;
|
---|
| 1541 |
|
---|
| 1542 | if (errorCount > 0)
|
---|
| 1543 | return false;
|
---|
| 1544 | else
|
---|
| 1545 | return true;
|
---|
| 1546 | }
|
---|
| 1547 |
|
---|
| 1548 | }
|
---|