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87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
/*
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* Copyright (c) 2015 scrawl <scrawl@baseoftrash.de>
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*
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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
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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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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#ifndef COMPONENTS_TERRAIN_WORLD_H
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#define COMPONENTS_TERRAIN_WORLD_H
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#include <osg/ref_ptr>
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#include "defs.hpp"
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#include "buffercache.hpp"
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namespace osg
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{
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class Group;
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}
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namespace osgUtil
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{
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class IncrementalCompileOperation;
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}
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namespace Resource
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{
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class ResourceSystem;
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}
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namespace Terrain
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{
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class Storage;
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/**
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* @brief The basic interface for a terrain world. How the terrain chunks are paged and displayed
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* is up to the implementation.
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*/
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class World
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{
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public:
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/// @note takes ownership of \a storage
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/// @param storage Storage instance to get terrain data from (heights, normals, colors, textures..)
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/// @param nodeMask mask for the terrain root
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World(osg::Group* parent, Resource::ResourceSystem* resourceSystem, osgUtil::IncrementalCompileOperation* ico,
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Storage* storage, int nodeMask);
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virtual ~World();
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float getHeightAt (const osg::Vec3f& worldPos);
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// This is only a hint and may be ignored by the implementation.
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virtual void loadCell(int x, int y) {}
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virtual void unloadCell(int x, int y) {}
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Storage* getStorage() { return mStorage; }
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protected:
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Storage* mStorage;
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BufferCache mCache;
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osg::ref_ptr<osg::Group> mParent;
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osg::ref_ptr<osg::Group> mTerrainRoot;
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Resource::ResourceSystem* mResourceSystem;
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osg::ref_ptr<osgUtil::IncrementalCompileOperation> mIncrementalCompileOperation;
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};
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}
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#endif
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