alexpete
117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#ifndef CRYINCLUDE_CRY3DENGINE_CLOUDSMANAGER_H
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#define CRYINCLUDE_CRY3DENGINE_CLOUDSMANAGER_H
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#pragma once
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class CCloudRenderNode;
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typedef std::vector<SCloudParticle*> CloudParticles;
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struct SCloudQuadTree
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{
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CloudParticles m_particles;
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AABB m_bounds;
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SCloudQuadTree* m_pQuads[4];
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int m_level;
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SCloudQuadTree(int level = 0)
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{
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m_pQuads[0] = 0;
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m_pQuads[1] = 0;
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m_pQuads[2] = 0;
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m_pQuads[3] = 0;
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m_level = level;
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}
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~SCloudQuadTree()
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{
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delete m_pQuads[0];
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delete m_pQuads[1];
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delete m_pQuads[2];
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delete m_pQuads[3];
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m_pQuads[0] = m_pQuads[1] = m_pQuads[2] = m_pQuads[3] = 0;
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}
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void Init(const AABB& bounds, const CloudParticles& particles, int maxlevel = 2);
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bool CheckIntersection(const Vec3& p1, const Vec3& p2);
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};
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//////////////////////////////////////////////////////////////////////////
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// SCloudDescription contains cached representation of the cloud description file.
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//////////////////////////////////////////////////////////////////////////
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struct SCloudDescription
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: public _reference_target_t
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, public Cry3DEngineBase
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{
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string filename;
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int m_textureRows;
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int m_textureCols;
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int m_numSprites;
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AABB m_bounds;
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Vec3 m_offset;
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_smart_ptr<IMaterial> m_pMaterial;
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std::vector<SCloudParticle> m_particles;
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SCloudQuadTree* m_pCloudTree;
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SCloudDescription()
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{
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m_textureRows = 0;
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m_textureCols = 0;
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m_numSprites = 0;
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m_pCloudTree = 0;
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};
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~SCloudDescription();
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};
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//////////////////////////////////////////////////////////////////////////
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// CloudsManager is used to manage cloud descriptions loaded from the files.
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// When cloud file is once loaded it caches its content and next time the same
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// cloud file is request, Clients will get the cached content.
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//////////////////////////////////////////////////////////////////////////
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class CCloudsManager
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: public Cry3DEngineBase
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{
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public:
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CCloudsManager() {};
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~CCloudsManager() {};
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// Loads cloud file and returns cloud description.
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// If cloud was already loaded cached instance is returned.
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// Reference count of the cloud description is incremented,Client must call Release on returned pointer to free cloud description.
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SCloudDescription* LoadCloud(const char* sFilename);
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// Used to parse xml node and create a cloud description from it.
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void ParseCloudFromXml(XmlNodeRef node, SCloudDescription* pCloud);
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void AddCloudRenderNode(CCloudRenderNode* pNode);
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void RemoveCloudRenderNode(CCloudRenderNode* pNode);
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bool CheckIntersectClouds(const Vec3& p1, const Vec3& p2);
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void MoveClouds();
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private:
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friend struct SCloudDescription;
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void Register(SCloudDescription* desc);
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void Unregister(SCloudDescription* desc);
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private:
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typedef std::map<string, SCloudDescription*, stl::less_stricmp<string> > CloudsMaps;
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CloudsMaps m_cloudsMap;
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std::vector<CCloudRenderNode*> m_cloudNodes;
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};
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#endif // CRYINCLUDE_CRY3DENGINE_CLOUDSMANAGER_H
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