Kearwood Gilbert
cd3627c3d3
Changes to the Octruee due to adding and updating object positions is now delayed until after the end of the frame
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
//
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// KROctreeNode.h
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// KREngine
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//
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// Created by Kearwood Gilbert on 2012-08-29.
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// Copyright (c) 2012 Kearwood Software. All rights reserved.
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//
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#ifndef KROCTREENODE_H
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#define KROCTREENODE_H
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#include "KREngine-common.h"
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#include "KRVector3.h"
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#include "KRAABB.h"
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#include "KRHitInfo.h"
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class KRNode;
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class KROctreeNode {
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public:
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KROctreeNode(KROctreeNode *parent, const KRAABB &bounds);
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KROctreeNode(KROctreeNode *parent, const KRAABB &bounds, int iChild, KROctreeNode *pChild);
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~KROctreeNode();
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KROctreeNode **getChildren();
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std::set<KRNode *> &getSceneNodes();
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void add(KRNode *pNode);
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void remove(KRNode *pNode);
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void update(KRNode *pNode);
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KRAABB getBounds();
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KROctreeNode *getParent();
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void setChildNode(int iChild, KROctreeNode *pChild);
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int getChildIndex(KRNode *pNode);
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KRAABB getChildBounds(int iChild);
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void trim();
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bool isEmpty() const;
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bool canShrinkRoot() const;
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KROctreeNode *stripChild();
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void beginOcclusionQuery();
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void endOcclusionQuery();
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GLuint m_occlusionQuery;
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bool m_occlusionTested;
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bool m_activeQuery;
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bool lineCast(const KRVector3 &v0, const KRVector3 &v1, KRHitInfo &hitinfo, unsigned int layer_mask);
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bool rayCast(const KRVector3 &v0, const KRVector3 &dir, KRHitInfo &hitinfo, unsigned int layer_mask);
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private:
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KRAABB m_bounds;
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KROctreeNode *m_parent;
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KROctreeNode *m_children[8];
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std::set<KRNode *>m_sceneNodes;
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};
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#endif /* defined(KROCTREENODE_H) */
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