[721] | 1 |
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| 2 | #include "LBBCLeafDistributionGenerator.h"
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| 3 |
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| 4 | #include <BBC.h>
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| 5 |
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| 6 | namespace LBBC {
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| 7 |
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| 8 | LeafDistributionGenerator::LeafDistributionGenerator()
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| 9 | {
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| 10 | mEntity = BBC::EntityPtr(new BBC::Entity());
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| 11 | }
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| 12 |
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| 13 | LeafDistributionGenerator::~LeafDistributionGenerator()
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| 14 | {
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| 15 | }
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| 16 |
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| 17 | void LeafDistributionGenerator::generate()
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| 18 | {
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| 19 | BBC::Timer leafDistributionTimer;
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| 20 | leafDistributionTimer.start();
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| 21 | leafDistributionTimer.printStartTime();
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| 22 |
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| 23 | mEntity->loadMesh(true);
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| 24 |
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| 25 | unsigned int posNorm = 0;
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| 26 | unsigned int negNorm = 0;
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| 27 |
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| 28 | std::vector<Ogre::Vector3>::iterator iFaces01;
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| 29 | std::vector<Ogre::Vector3>::iterator iFaces02;
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| 30 | std::vector<Ogre::Vector2>::iterator iVertexs;
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| 31 |
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[699] | 32 | std::vector<float> vD,vNx,vNy,vNz;
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| 33 |
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| 34 | unsigned int iV101,iV201,iV301;
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| 35 | unsigned int iV102,iV202,iV302;
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| 36 | Ogre::Vector3 v101,v201,v301;
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[721] | 37 | Ogre::Vector3 v102,v202,v302;
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| 38 |
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[699] | 39 | for (unsigned int iF01 = 0; iF01 < mEntity->getSubEntity(0)->getNumFaces(); iF01++)
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| 40 | {
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| 41 | Ogre::Vector3 vFace01 = mEntity->getSubEntity(0)->getFaceVerticesIDs(iF01);
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| 42 |
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| 43 | iV101 = vFace01[0];
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| 44 | iV201 = vFace01[1];
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| 45 | iV301 = vFace01[2];
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| 46 |
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| 47 | v101 = mEntity->getSubEntity(0)->getUniqueVertex(iV101).position;
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| 48 | v201 = mEntity->getSubEntity(0)->getUniqueVertex(iV201).position;
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| 49 | v301 = mEntity->getSubEntity(0)->getUniqueVertex(iV301).position;
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| 50 |
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| 51 | for (unsigned int iF02 = 0; iF02 < mEntity->getSubEntity(0)->getNumFaces(); iF02++)
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| 52 | {
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| 53 | Ogre::Vector3 vFace02 = mEntity->getSubEntity(0)->getFaceVerticesIDs(iF02);
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| 54 | iV102 = vFace02[0];
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| 55 | iV202 = vFace02[1];
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| 56 | iV302 = vFace02[2];
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| 57 |
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| 58 | v102 = mEntity->getSubEntity(0)->getUniqueVertex(iV102).position;
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| 59 | v202 = mEntity->getSubEntity(0)->getUniqueVertex(iV202).position;
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| 60 | v302 = mEntity->getSubEntity(0)->getUniqueVertex(iV302).position;
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| 61 |
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| 62 |
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| 63 |
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| 64 | //Ogre::LogManager::getSingleton().logMessage("face A: " + Ogre::StringConverter::toString(iF01));
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| 65 | //Ogre::LogManager::getSingleton().logMessage("indices A:" + Ogre::StringConverter::toString(vFace01));
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| 66 | //Ogre::LogManager::getSingleton().logMessage("face B: " + Ogre::StringConverter::toString(iF02));
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| 67 | //Ogre::LogManager::getSingleton().logMessage("indices B:" + Ogre::StringConverter::toString(vFace02));
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| 68 |
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| 69 | if ((iF01 != iF02) &&
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| 70 | (
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| 71 | ((v101 == v102) && (v201 == v202)) ||
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| 72 | ((v101 == v202) && (v201 == v102)) ||
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| 73 | ((v101 == v102) && (v201 == v302)) ||
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| 74 | ((v101 == v302) && (v201 == v102)) ||
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| 75 | ((v101 == v202) && (v201 == v302)) ||
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| 76 | ((v101 == v302) && (v201 == v202)) ||
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| 77 | //-----------------------------------
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| 78 | ((v201 == v102) && (v301 == v202)) ||
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| 79 | ((v201 == v202) && (v301 == v102)) ||
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| 80 | ((v201 == v102) && (v301 == v302)) ||
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| 81 | ((v201 == v302) && (v301 == v102)) ||
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| 82 | ((v201 == v202) && (v301 == v302)) ||
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| 83 | ((v201 == v302) && (v301 == v202)) ||
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| 84 | //-----------------------------------
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| 85 | ((v101 == v102) && (v301 == v202)) ||
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| 86 | ((v101 == v202) && (v301 == v102)) ||
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| 87 | ((v101 == v102) && (v301 == v302)) ||
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| 88 | ((v101 == v302) && (v301 == v102)) ||
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| 89 | ((v101 == v202) && (v301 == v302)) ||
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| 90 | ((v101 == v302) && (v301 == v202))
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| 91 | )
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| 92 | )
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| 93 | {
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| 94 | if (mEntityDistribution->getNumEntities() == 0)
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| 95 | {
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[721] | 96 | // Instance new leaf
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| 97 | Leaf *leaf = new Leaf();
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| 98 |
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[699] | 99 | leaf->setEntityHandle(mEntityDistribution->getNumEntities());
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| 100 | leaf->getSubEntity(0)->addTextureCoordSet(2);
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| 101 |
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| 102 | leaf->addFace(iF01);
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| 103 | leaf->addFaceInfo(
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| 104 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF01).x),
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| 105 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF01).y),
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| 106 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF01).z));
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| 107 |
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| 108 | mEntityDistribution->addEntity(leaf);
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| 109 |
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| 110 | //Ogre::LogManager::getSingleton().logMessage("leaf:" + Ogre::StringConverter::toString(leaf->getEntityHandle()));
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| 111 | //Ogre::LogManager::getSingleton().logMessage("indices:" + Ogre::StringConverter::toString(vFace01));
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| 112 | //Ogre::LogManager::getSingleton().logMessage("face stored: " + Ogre::StringConverter::toString(iF01));
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| 113 | //Ogre::LogManager::getSingleton().logMessage("face stored: " + Ogre::StringConverter::toString(leaf->getFace(0)));
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| 114 | }
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| 115 | else
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| 116 | {
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| 117 | unsigned int j = 0;
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| 118 | bool leaveFound = false;
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| 119 |
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| 120 | // Check if the face is in one of the Leaf sets...
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| 121 | while ((j < mEntityDistribution->getNumEntities()) && (!leaveFound))
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| 122 | {
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[721] | 123 | Leaf *leaf = (Leaf *)mEntityDistribution->getEntity(j).get();
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[699] | 124 | if (leaf->hasFace(iF01))
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| 125 | {
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| 126 | leaveFound = true;
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| 127 | leaf->addFace(iF02);
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| 128 | leaf->addFaceInfo(
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| 129 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF02).x),
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| 130 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF02).y),
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| 131 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF02).z));
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| 132 |
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| 133 | //Ogre::LogManager::getSingleton().logMessage("leaf:" + Ogre::StringConverter::toString(leaf->getEntityHandle()));
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| 134 | //Ogre::LogManager::getSingleton().logMessage("indices:" + Ogre::StringConverter::toString(vFace02));
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| 135 | //Ogre::LogManager::getSingleton().logMessage("face stored: " + Ogre::StringConverter::toString(iF02));
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| 136 | //Ogre::LogManager::getSingleton().logMessage("face stored: " + Ogre::StringConverter::toString(leaf->getFace(0)));
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| 137 | }
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| 138 | else
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| 139 | {
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| 140 | if (leaf->hasFace(iF02))
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| 141 | {
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| 142 | leaveFound = true;
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| 143 | leaf->addFace(iF01);
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| 144 | leaf->addFaceInfo(
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| 145 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF01).x),
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| 146 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF01).y),
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| 147 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF01).z));
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| 148 |
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| 149 | //Ogre::LogManager::getSingleton().logMessage("leaf:" + Ogre::StringConverter::toString(leaf->getEntityHandle()));
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| 150 | //Ogre::LogManager::getSingleton().logMessage("indices:" + Ogre::StringConverter::toString(vFace01));
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| 151 | //Ogre::LogManager::getSingleton().logMessage("face stored: " + Ogre::StringConverter::toString(iF01));
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| 152 | //Ogre::LogManager::getSingleton().logMessage("face stored: " + Ogre::StringConverter::toString(leaf->getFace(0)));
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| 153 | }
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| 154 | }
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| 155 | j++;
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| 156 | }
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| 157 |
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| 158 | if (!leaveFound)
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| 159 | {
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| 160 | // Instance new leaf
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| 161 | Leaf *leaf = new Leaf();
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| 162 |
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| 163 | leaf->setEntityHandle(mEntityDistribution->getNumEntities());
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| 164 | leaf->getSubEntity(0)->addTextureCoordSet(2);
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| 165 | leaf->addFace(iF01);
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| 166 | leaf->addFaceInfo(
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| 167 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF01).x),
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| 168 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF01).y),
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| 169 | mEntity->getSubEntity(0)->getUniqueVertex(mEntity->getSubEntity(0)->getFaceVerticesIDs(iF01).z));
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| 170 |
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| 171 | mEntityDistribution->addEntity(leaf);
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| 172 |
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| 173 | //Ogre::LogManager::getSingleton().logMessage("leaf:" + Ogre::StringConverter::toString(leaf->getEntityHandle()));
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| 174 | //Ogre::LogManager::getSingleton().logMessage("indices:" + Ogre::StringConverter::toString(vFace01));
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| 175 | //Ogre::LogManager::getSingleton().logMessage("face stored: " + Ogre::StringConverter::toString(iF01));
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| 176 | //Ogre::LogManager::getSingleton().logMessage("face stored: " + Ogre::StringConverter::toString(leaf->getFace(0)));
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| 177 | //cin.get();
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| 178 | }
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| 179 | }
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| 180 | }
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| 181 | }
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[721] | 182 | }
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| 183 |
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| 184 | // Generate the average normal, leaf position, and d leaf plane parameter for each leaf...
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| 185 | for (unsigned int ileaf = 0; ileaf < mEntityDistribution->getNumEntities(); ileaf++)
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| 186 | {
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| 187 | Leaf *leaf = (Leaf*) mEntityDistribution->getEntity(ileaf).get();
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[751] | 188 | generateAverageLeafPosition(leaf);
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[721] | 189 | generateAverageLeafNormal(leaf);
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| 190 | leaf->setLeafD(-leaf->getLeafNormal().dotProduct(leaf->getPosition()));
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| 191 | }
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| 192 |
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| 193 | // Compute the max and min d leaf plane parameter, and the max and min normal value...
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| 194 | float minD;
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| 195 | float maxD;
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| 196 | Ogre::Vector3 minNormal;
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| 197 | Ogre::Vector3 maxNormal;
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| 198 |
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| 199 | generateNormalDThreshold(minD, maxD, minNormal, maxNormal);
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| 200 |
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| 201 | ((LeafDistribution*)mEntityDistribution)->setMaxD(maxD);
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| 202 | ((LeafDistribution*)mEntityDistribution)->setMinD(minD);
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| 203 | ((LeafDistribution*)mEntityDistribution)->setMaxNormal(maxNormal);
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| 204 | ((LeafDistribution*)mEntityDistribution)->setMinNormal(minNormal);
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| 205 |
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| 206 | leafDistributionTimer.stop();
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| 207 | leafDistributionTimer.printStopTime();
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| 208 | }
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| 209 |
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| 210 | void LeafDistributionGenerator::generateNormalDThreshold(float &minD, float &maxD, Ogre::Vector3 &minNormal, Ogre::Vector3 &maxNormal)
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| 211 | {
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[699] | 212 | float dMin = FLT_MAX;
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| 213 | float dMax = -FLT_MAX;
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| 214 |
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| 215 | float nXMax = -1;
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| 216 | float nYMax = -1;
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| 217 | float nZMax = -1;
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| 218 | float nYMin = 1;
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| 219 | float nXMin = 1;
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| 220 | float nZMin = 1;
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| 221 |
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| 222 | for (unsigned int iD = 0; iD < mEntityDistribution->getNumEntities(); iD++)
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| 223 | {
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[721] | 224 | Leaf *leaf = (Leaf *)mEntityDistribution->getEntity(iD).get();
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[699] | 225 | if (leaf->getLeafD() < dMin)
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| 226 | {
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| 227 | dMin = leaf->getLeafD();
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| 228 | }
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| 229 |
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| 230 | if (leaf->getLeafD() > dMax)
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| 231 | {
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| 232 | dMax = leaf->getLeafD();
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| 233 | }
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| 234 | //--------------------
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| 235 | if (leaf->getLeafNormal().x < nXMin)
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| 236 | {
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| 237 | nXMin = leaf->getLeafNormal().x;
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| 238 | }
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| 239 |
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| 240 | if (leaf->getLeafNormal().x > nXMax)
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| 241 | {
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| 242 | nXMax = leaf->getLeafNormal().x;
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| 243 | }
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| 244 | //--------------------
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| 245 | if (leaf->getLeafNormal().y < nYMin)
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| 246 | {
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| 247 | nYMin = leaf->getLeafNormal().y;
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| 248 | }
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| 249 |
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| 250 | if (leaf->getLeafNormal().y > nYMax)
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| 251 | {
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| 252 | nYMax = leaf->getLeafNormal().y;
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| 253 | }
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| 254 | //--------------------
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| 255 | if (leaf->getLeafNormal().z < nZMin)
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| 256 | {
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| 257 | nZMin = leaf->getLeafNormal().z;
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| 258 | }
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| 259 |
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| 260 | if (leaf->getLeafNormal().z > nZMax)
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| 261 | {
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| 262 | nZMax = leaf->getLeafNormal().z;
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| 263 | }
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| 264 | }
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| 265 | minNormal = Ogre::Vector3(nXMin, nYMin, nZMin);
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| 266 | maxNormal = Ogre::Vector3(nXMax, nYMax, nZMax);
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| 267 |
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| 268 | minD = dMin;
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| 269 | maxD = dMax;
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[721] | 270 | }
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| 271 |
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| 272 | void LeafDistributionGenerator::generateAverageLeafNormal(Leaf *leaf)
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| 273 | {
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[699] | 274 | Ogre::Vector3 aVnormal(0,0,0);
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| 275 | for (unsigned int iN = 0; iN < leaf->getNumLeafNormals(); iN++)
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| 276 | {
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| 277 | aVnormal = aVnormal + leaf->getFaceNormal(iN);
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| 278 | }
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| 279 | aVnormal = aVnormal / leaf->getNumLeafNormals();
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| 280 | aVnormal.normalise();
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[721] | 281 |
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| 282 | leaf->setLeafNormal(aVnormal);
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| 283 | }
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| 284 |
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[751] | 285 | void LeafDistributionGenerator::generateAverageLeafPosition(Leaf *leaf)
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| 286 | {
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| 287 | Ogre::Vector3 aVPosition(0,0,0);
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| 288 | for (unsigned int iN = 0; iN < leaf->getSubEntity(0)->getNumVertices(); iN++)
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| 289 | {
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| 290 | aVPosition = aVPosition + leaf->getSubEntity(0)->getPosition(iN);
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| 291 | }
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| 292 | aVPosition = aVPosition / leaf->getSubEntity(0)->getNumVertices();
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| 293 |
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| 294 | leaf->setPosition(aVPosition);
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[721] | 295 | }
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[751] | 296 |
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| 297 | }
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