86 lines
3.0 KiB
C++
Executable File
86 lines
3.0 KiB
C++
Executable File
//
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// KROctreeNode.h
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// Kraken Engine
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//
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// Copyright 2023 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#pragma once
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#include "KREngine-common.h"
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#include "hitinfo.h"
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class KRNode;
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class KROctreeNode
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{
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public:
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KROctreeNode(KROctreeNode* parent, const hydra::AABB& bounds);
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KROctreeNode(KROctreeNode* parent, const hydra::AABB& 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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hydra::AABB 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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hydra::AABB 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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int m_occlusionQuery;
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bool m_occlusionTested;
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bool m_activeQuery;
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bool lineCast(const hydra::Vector3& v0, const hydra::Vector3& v1, hydra::HitInfo& hitinfo, unsigned int layer_mask);
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bool rayCast(const hydra::Vector3& v0, const hydra::Vector3& dir, hydra::HitInfo& hitinfo, unsigned int layer_mask);
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bool sphereCast(const hydra::Vector3& v0, const hydra::Vector3& v1, float radius, hydra::HitInfo& hitinfo, unsigned int layer_mask);
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private:
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hydra::AABB 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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