[59] | 1 | #include <OgreCamera.h>
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[94] | 2 | #include <OgreLogManager.h>
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[130] | 3 | #include <OgreSubEntity.h>
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| 4 | #include <OgreEntity.h>
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| 5 | #include <OgreMovableObject.h>
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[897] | 6 | #include <OgreMaterialManager.h>
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[92] | 7 | #include "OgreSolidBoundingBox.h"
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[59] | 8 | #include "OgrePlatformHierarchyInterface.h"
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| 9 | #include "OgrePlatformOcclusionQuery.h"
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| 10 |
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| 11 | namespace Ogre {
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| 12 |
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| 13 | //-----------------------------------------------------------------------
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[726] | 14 | PlatformHierarchyInterface::PlatformHierarchyInterface(SceneManager *sm,
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| 15 | RenderSystem *rsys):
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| 16 | mSceneManager(sm),
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| 17 | mRenderSystem(rsys),
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| 18 | mSolidBoundingBox(NULL),
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| 19 | mCamera(NULL),
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| 20 | mCullCamera(NULL),
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| 21 | mOnlyShadowCasters(false),
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| 22 | mLeavePassesInQueue(0),
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| 23 | mIsBoundingBoxQuery(false),
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| 24 | mCameraPosition(Vector3(0, 0, 0))
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[85] | 25 | {
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[59] | 26 | }
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| 27 | //-----------------------------------------------------------------------
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[115] | 28 | void PlatformHierarchyInterface::CreateNodeVizMaterials()
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[112] | 29 | {
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| 30 | // material for frustum culled nodes
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| 31 | MaterialPtr mat = MaterialManager::getSingleton().getByName("FrustumCulledNodesMaterial");
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[113] | 32 |
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[112] | 33 | if (mat.isNull())
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| 34 | {
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| 35 | mat = MaterialManager::getSingleton().create("FrustumCulledNodesMaterial",
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| 36 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
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[113] | 37 | mat->createTechnique()->createPass();
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| 38 |
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[115] | 39 | mat->getTechnique(0)->getPass(0)->setAmbient(1, 0, 0);
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[113] | 40 | mat->getTechnique(0)->getPass(0)->setLightingEnabled(true);
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| 41 | //mat->getTechnique(0)->getPass(0)->setDepthCheckEnabled(false);
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| 42 | mat->load();
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[112] | 43 | }
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| 44 |
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| 45 | // material for query culled nodes
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[113] | 46 | mat = MaterialManager::getSingleton().getByName("QueryCulledNodesMaterial");
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[112] | 47 |
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[113] | 48 | if (mat.isNull())
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[112] | 49 | {
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[113] | 50 | mat = MaterialManager::getSingleton().create("QueryCulledNodesMaterial",
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[112] | 51 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
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[113] | 52 | mat->createTechnique()->createPass();
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| 53 |
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[115] | 54 | mat->getTechnique(0)->getPass(0)->setAmbient(0, 0, 1);
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[113] | 55 | mat->getTechnique(0)->getPass(0)->setLightingEnabled(true);
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| 56 | mat->load();
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[112] | 57 | }
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[115] | 58 |
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| 59 | // material for scene nodes
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| 60 | /*mat = MaterialManager::getSingleton().getByName("SceneNodesMaterial");
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| 61 |
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| 62 | if (mat.isNull())
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| 63 | {
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| 64 | mat = MaterialManager::getSingleton().create("SceneNodesMaterial",
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| 65 | ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
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| 66 | mat->createTechnique()->createPass();
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| 67 |
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| 68 | mat->getTechnique(0)->getPass(0)->setAmbient(1, 1, 0);
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| 69 | mat->getTechnique(0)->getPass(0)->setLightingEnabled(true);
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| 70 | mat->load();
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| 71 | }*/
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[112] | 72 | }
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| 73 | //-----------------------------------------------------------------------
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[59] | 74 | PlatformHierarchyInterface::~PlatformHierarchyInterface()
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| 75 | {
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[897] | 76 | ResetQueries();
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[187] | 77 | OGRE_DELETE(mSolidBoundingBox);
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[59] | 78 | }
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| 79 | //-----------------------------------------------------------------------
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[897] | 80 | void PlatformHierarchyInterface::ResetQueries()
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[59] | 81 | {
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[938] | 82 | OcclusionQueryContainer::iterator it, it_end = mOcclusionQueries.end();
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| 83 | for (it = mOcclusionQueries.begin(); it != it_end; ++ it)
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| 84 | {
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| 85 | PlatformOcclusionQuery *query = *it;
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| 86 | OGRE_DELETE(query);
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| 87 | }
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[59] | 88 |
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[187] | 89 | mCurrentTestIdx = 0;
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[903] | 90 | mOcclusionQueries.clear();
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[59] | 91 | }
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| 92 | //-----------------------------------------------------------------------
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| 93 | void PlatformHierarchyInterface::RenderBoundingBox(AxisAlignedBox *box)
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| 94 | {
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[86] | 95 | static RenderOperation ro;
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| 96 |
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[92] | 97 | SolidBoundingBox *solidBox = GetSolidBoundingBox();
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[86] | 98 |
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| 99 | mRenderSystem->_setWorldMatrix(Ogre::Matrix4::IDENTITY);
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[316] | 100 | mSceneManager->useRenderableViewProjModeWrapper(solidBox);
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[2455] | 101 |
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[115] | 102 | // set no depth write, no color, no lighting material
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[1486] | 103 | mSceneManager->setPassWrapper(solidBox->getTechnique()->getPass(0));
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[92] | 104 | solidBox->SetupBoundingBoxVertices(*box);
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[2184] | 105 |
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[92] | 106 | solidBox->getRenderOperation(ro);
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| 107 | ro.srcRenderable = solidBox;
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[2184] | 108 |
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[92] | 109 | mRenderSystem->_render(ro);
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[59] | 110 | }
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| 111 | //-----------------------------------------------------------------------
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| 112 | void PlatformHierarchyInterface::SetCamera(Ogre::Camera *cam)
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| 113 | {
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| 114 | mCamera = cam;
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| 115 | }
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| 116 | //-----------------------------------------------------------------------
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[94] | 117 | void PlatformHierarchyInterface::SetCullCamera(Ogre::Camera *cullCam)
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| 118 | {
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| 119 | mCullCamera = cullCam;
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| 120 | }
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| 121 | //-----------------------------------------------------------------------
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[59] | 122 | GtpVisibility::OcclusionQuery *PlatformHierarchyInterface::GetNextOcclusionQuery()
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| 123 | {
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[897] | 124 | // create new query if there is no query left
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[1595] | 125 | if (mCurrentTestIdx == (int)mOcclusionQueries.size())
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[59] | 126 | {
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| 127 | mOcclusionQueries.push_back(new PlatformOcclusionQuery(mRenderSystem));
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| 128 | }
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| 129 |
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| 130 | return mOcclusionQueries[mCurrentTestIdx ++];
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| 131 | }
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| 132 | //-----------------------------------------------------------------------
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[2306] | 133 | void PlatformHierarchyInterface::InitTraversal(Camera *cam,
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| 134 | Camera *cullCam,
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[158] | 135 | int leavePassesInQueue)
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[59] | 136 | {
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[155] | 137 | GtpVisibility::HierarchyInterface::InitTraversal();
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[121] | 138 |
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[2455] | 139 | mOldNode = NULL;
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[139] | 140 | mLeavePassesInQueue = leavePassesInQueue;
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[94] | 141 |
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[121] | 142 | mCamera = cam;
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[925] | 143 | // set culling camera for visualization
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[121] | 144 | mCullCamera = cullCam ? cullCam : cam;
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[113] | 145 |
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[726] | 146 | mCameraPosition = mCullCamera->getDerivedPosition();
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[121] | 147 | // create materials for node visualization
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[115] | 148 | CreateNodeVizMaterials();
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[59] | 149 | }
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| 150 | //-----------------------------------------------------------------------
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| 151 | void PlatformHierarchyInterface::SetSceneManager(SceneManager *sm)
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| 152 | {
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| 153 | mSceneManager = sm;
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| 154 | }
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| 155 | //-----------------------------------------------------------------------
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| 156 | void PlatformHierarchyInterface::SetRenderSystem(RenderSystem *rsys)
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| 157 | {
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| 158 | mRenderSystem = rsys;
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| 159 | }
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| 160 | //-----------------------------------------------------------------------
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[85] | 161 | bool PlatformHierarchyInterface::CheckFrustumVisible(GtpVisibility::HierarchyNode *node,
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| 162 | bool &intersects)
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[59] | 163 | {
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| 164 | #ifdef GTP_VISIBILITY_MODIFIED_OGRE
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[94] | 165 | return mCullCamera->isVisible(*GetBoundingBox(node), intersects);
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[59] | 166 | #else
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| 167 | return true;
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| 168 | #endif
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| 169 | }
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| 170 | //-----------------------------------------------------------------------
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[175] | 171 | GtpVisibility::OcclusionQuery *PlatformHierarchyInterface::IssueNodeOcclusionQuery(
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[2318] | 172 | GtpVisibility::HierarchyNode *node,
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[2455] | 173 | const bool testGeometry)
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[2278] | 174 | {
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[59] | 175 | // get next available test id
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| 176 | GtpVisibility::OcclusionQuery *query = GetNextOcclusionQuery();
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| 177 |
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| 178 | //-- the actual query test
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| 179 | query->BeginQuery();
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[122] | 180 |
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[2455] | 181 | if (testGeometry && IsLeaf(node))
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[135] | 182 | {
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[2455] | 183 | // if node is a leaf and was visible => will be rendered anyway.
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| 184 | // In this case we can also test with the real geometry.
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[135] | 185 | RenderNode(node);
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| 186 | }
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[2455] | 187 | else
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[89] | 188 | {
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[2455] | 189 | if (mTestGeometryBounds && IsLeaf(node))
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| 190 | {
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| 191 | mIsBoundingBoxQuery = true;
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| 192 | // we can also test the tighter bounds of the geometry instead of the hierarchy nodes.
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| 193 | RenderGeometryBounds(node);
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| 194 | mIsBoundingBoxQuery = false;
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| 195 | }
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| 196 | else
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| 197 | {
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| 198 | // this information is used e.g., by the scene graph, because the bounding box
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| 199 | // must be treated differently to the scene geometry during rendering
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| 200 | mIsBoundingBoxQuery = true;
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| 201 | RenderBoundingBox(GetBoundingBox(node));
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| 202 | mIsBoundingBoxQuery = false;
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| 203 | }
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[89] | 204 | }
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[59] | 205 |
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| 206 | query->EndQuery();
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| 207 |
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| 208 | return query;
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| 209 | }
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[130] | 210 | //-----------------------------------------------------------------------
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[175] | 211 | GtpVisibility::OcclusionQuery *PlatformHierarchyInterface::IssuePatchOcclusionQuery(
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[174] | 212 | GtpVisibility::Patch *patch)
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| 213 | {
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| 214 | // get next available test id
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| 215 | GtpVisibility::OcclusionQuery *query = GetNextOcclusionQuery();
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| 216 |
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| 217 | //-- the actual query test
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| 218 | query->BeginQuery();
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| 219 |
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| 220 | RenderPatch(patch);
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| 221 |
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| 222 | query->EndQuery();
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| 223 |
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| 224 | return query;
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| 225 | }
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| 226 | //-----------------------------------------------------------------------
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[175] | 227 | GtpVisibility::OcclusionQuery *PlatformHierarchyInterface::IssueMeshOcclusionQuery(
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[2254] | 228 | GtpVisibility::Mesh *mesh)
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[130] | 229 | {
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| 230 | // get next available test id
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| 231 | GtpVisibility::OcclusionQuery *query = GetNextOcclusionQuery();
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[1486] | 232 |
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| 233 | ////////
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| 234 | //-- the actual query test
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[130] | 235 | query->BeginQuery();
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[2455] | 236 |
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[130] | 237 | RenderGeometry(mesh);
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[2455] | 238 |
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[130] | 239 | query->EndQuery();
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| 240 |
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| 241 | return query;
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| 242 | }
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[135] | 243 | //-----------------------------------------------------------------------
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[92] | 244 | SolidBoundingBox *PlatformHierarchyInterface::GetSolidBoundingBox()
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[85] | 245 | {
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[100] | 246 | if (!mSolidBoundingBox)
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[92] | 247 | mSolidBoundingBox = new SolidBoundingBox;
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[59] | 248 |
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[92] | 249 | return mSolidBoundingBox;
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[85] | 250 | }
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[103] | 251 | //-----------------------------------------------------------------------
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| 252 | void PlatformHierarchyInterface::SetOnlyShadowCasters(bool onlyShadowCasters)
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| 253 | {
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| 254 | mOnlyShadowCasters = onlyShadowCasters;
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| 255 | }
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[111] | 256 | //-----------------------------------------------------------------------
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| 257 | bool PlatformHierarchyInterface::GetOnlyShadowCasters()
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| 258 | {
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| 259 | return mOnlyShadowCasters;
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| 260 | }
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[120] | 261 | //-----------------------------------------------------------------------
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[121] | 262 | bool PlatformHierarchyInterface::IsBoundingBoxQuery()
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| 263 | {
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| 264 | return mIsBoundingBoxQuery;
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| 265 | }
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[130] | 266 | //-----------------------------------------------------------------------
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| 267 | void PlatformHierarchyInterface::RenderGeometry(GtpVisibility::Mesh *geom)
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| 268 | {
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[139] | 269 | mSceneManager->_renderMovableObject(geom, mLeavePassesInQueue);
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[130] | 270 | }
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| 271 | //-----------------------------------------------------------------------
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[174] | 272 | void PlatformHierarchyInterface::RenderPatch(GtpVisibility::Patch *patch)
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| 273 | {
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[175] | 274 | mSceneManager->_renderSingleRenderable(patch);
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[174] | 275 | }
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| 276 | //-----------------------------------------------------------------------
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[130] | 277 | SceneManager *PlatformHierarchyInterface::GetSceneManager()
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| 278 | {
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| 279 | return mSceneManager;
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| 280 | }
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| 281 | //-----------------------------------------------------------------------
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| 282 | RenderSystem *PlatformHierarchyInterface::GetRenderSystem()
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| 283 | {
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| 284 | return mRenderSystem;
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| 285 | }
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[2455] | 286 | //-----------------------------------------------------------------------
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| 287 | void PlatformHierarchyInterface::SetTestGeometryBounds(bool testGeometryBounds)
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| 288 | {
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| 289 | mTestGeometryBounds = testGeometryBounds;
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| 290 | }
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| 291 | //-----------------------------------------------------------------------
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| 292 | int PlatformHierarchyInterface::GetTestGeometryBounds()
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| 293 | {
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| 294 | return mTestGeometryBounds;
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| 295 | }
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[174] | 296 |
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[135] | 297 | } // namespace Ogre
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