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114 lines
4.1 KiB
114 lines
4.1 KiB
/****************************************************************************
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Copyright (c) 2021-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include "Model.h"
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#include "base/Ptr.h"
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#include "base/RefCounted.h"
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#include "base/TypeDef.h"
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#include "base/std/container/string.h"
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#include "math/Vec3.h"
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namespace cc {
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class Node;
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namespace scene {
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class RenderScene;
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class Camera;
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class Model;
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class LODData final : public RefCounted {
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public:
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inline float getScreenUsagePercentage() const { return _screenUsagePercentage; }
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inline void setScreenUsagePercentage(float val) { _screenUsagePercentage = val; }
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inline const ccstd::vector<IntrusivePtr<Model>> &getModels() const { return _vecModels; }
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inline void addModel(Model *model) { _vecModels.emplace_back(model); }
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inline void clearModels() { _vecModels.clear(); }
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void eraseModel(Model *model);
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private:
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float _screenUsagePercentage{1.F};
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ccstd::vector<IntrusivePtr<Model>> _vecModels;
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};
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class LODGroup final : public RefCounted {
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public:
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LODGroup();
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~LODGroup() override;
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inline void attachToScene(RenderScene *scene) { _scene = scene; }
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inline void detachFromScene() { _scene = nullptr; }
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inline bool isEnabled() const { return _enabled; }
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inline void setEnabled(bool val) { _enabled = val; }
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inline float getObjectSize() const { return _objectSize; }
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inline void setObjectSize(float val) { _objectSize = val; }
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inline Node *getNode() const { return _node.get(); }
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void setNode(Node *node) { _node = node; }
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inline RenderScene *getScene() const { return _scene; }
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inline const Vec3 &getLocalBoundaryCenter() const { return _localBoundaryCenter; }
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inline void setLocalBoundaryCenter(const Vec3 &value) { _localBoundaryCenter = value; }
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inline const ccstd::vector<IntrusivePtr<LODData>> &getLodDataArray() const { return _vecLODData; }
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int8_t getVisibleLODLevel(const Camera *camera) const;
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inline const ccstd::vector<uint8_t> &getLockedLODLevels() const { return _vecLockedLevels; }
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void lockLODLevels(ccstd::vector<int> &levels);
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inline bool isLockLevelChanged() const { return _isLockLevelChanged; }
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inline void resetLockChangeFlag() { _isLockLevelChanged = false; }
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inline uint8_t getLodCount() const { return _vecLODData.size(); }
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inline void clearLODs() { _vecLODData.clear(); }
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void insertLOD(uint8_t index, LODData *data);
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void updateLOD(uint8_t index, LODData *data);
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void eraseLOD(uint8_t index);
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private:
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float getScreenUsagePercentage(const Camera *camera) const;
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static float distanceToScreenUsagePercentage(const Camera *camera, float distance, float size);
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float getWorldSpaceSize() const;
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ccstd::vector<IntrusivePtr<LODData>> _vecLODData;
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ccstd::vector<uint8_t> _vecLockedLevels;
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IntrusivePtr<Node> _node;
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RenderScene *_scene{nullptr};
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Vec3 _localBoundaryCenter;
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float _objectSize{1.F};
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bool _enabled{true};
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bool _isLockLevelChanged{false};
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CC_DISALLOW_COPY_MOVE_ASSIGN(LODGroup);
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};
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} // namespace scene
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} // namespace cc
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