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[2757] | 1 | #include "StopAndWaitTraverser.h"
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[2763] | 2 | #include "SceneEntity.h"
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[2757] | 3 |
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[2763] | 4 |
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[2757] | 5 | namespace CHCDemo
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| 6 | {
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[2763] | 7 |
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| 8 | using namespace std;
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| 9 |
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| 10 |
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| 11 |
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[2757] | 12 | StopAndWaitTraverser::StopAndWaitTraverser(): RenderTraverser()
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| 13 | {
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| 14 | }
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| 15 |
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| 16 |
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| 17 | StopAndWaitTraverser::~StopAndWaitTraverser()
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| 18 | {
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| 19 | //DelQueries();
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| 20 | }
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| 21 |
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| 22 |
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| 23 | void StopAndWaitTraverser::Render()
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| 24 | {
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[2763] | 25 | mRenderState->mTexturesEnabled = false;
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| 26 | mDistanceQueue.push(mBvh->GetRoot());
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| 27 |
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| 28 |
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| 29 | int traversed = 0;
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| 30 | while (!mDistanceQueue.empty())
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[2757] | 31 | {
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[2763] | 32 | BvhNode *node = mDistanceQueue.top();
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[2757] | 33 | mDistanceQueue.pop();
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[2763] | 34 |
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[2757] | 35 | // interesting for the visualization, so rest and set
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| 36 | node->SetVisible(false);
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[2763] | 37 | //mNumTraversedNodes ++;
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[2757] | 38 |
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[2763] | 39 | if (mBvh->IsWithinViewFrustum(node))
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[2757] | 40 | {
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[2763] | 41 | // if intersects near plane assume visible and don't issue test
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| 42 | if (mBvh->CalcDistance(node) < 0.1f)
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[2757] | 43 | {
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| 44 | TraverseNode(node);
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| 45 | }
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| 46 | else
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| 47 | {
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[2763] | 48 | OcclusionQuery *query = IssueOcclusionQuery(node, false);
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| 49 |
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| 50 | int visiblePixels = query->GetQueryResult();
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| 51 |
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| 52 | if (visiblePixels > 0)
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[2757] | 53 | {
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[2763] | 54 | cout<< "visible: " << visiblePixels << endl;
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| 55 | // update node's visited flag => needed for rendering
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| 56 | // so set it also here
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| 57 | //node->SetLastVisited(mFrameID);
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| 58 | //node->SetVisible(true);
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| 59 | ++ traversed;
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[2757] | 60 | TraverseNode(node);
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| 61 | }
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[2763] | 62 | }
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[2757] | 63 | }
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| 64 | else
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| 65 | {
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[2763] | 66 | //mNumFrustumCulledNodes ++;
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[2757] | 67 | }
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[2763] | 68 | //cout << "intersect: " << intersect << " bx " << node->GetBox() << endl;
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[2757] | 69 | }
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[2763] | 70 |
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| 71 | mQueryHandler.ResetQueries();
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| 72 | //std::cout << "traversed: " << traversed << std::endl;
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[2757] | 73 | }
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| 74 |
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| 75 | } |
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