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"Awareness" refers to an entity's view of the surrounding world with regards to how the entity could navigate. We use Recast/Detour to build a navmesh for the entity. However, since each world can have many NPCs, each one with their own mind, we don't want to keep a complete navmesh for each single mind. This will quickly become expensive. Therefore we want to share awarenesses between multiple entities of the same type. So, for example, all fishes handled by the same ai client will share one single awareness of the world. This to some degree involves some cheating, since AI minds now might get knowledge of the world they otherwise wouldn't have. We consider this to not be such a big issue. If this is unacceptable for some worlds these should then disable awareness sharing and take the resource hit.
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*
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Copyright (C) 2011 Erik Ogenvik
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef EMBER_DOMAIN_IHEIGHTPROVIDER_H_
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#define EMBER_DOMAIN_IHEIGHTPROVIDER_H_
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#include <vector>
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class IHeightProvider
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{
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public:
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virtual ~IHeightProvider()
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{
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}
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/**
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* @brief Performs a fast copy of the raw height data for the supplied area.
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* @param xMin Minimum x coord of the area.
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* @param xMax Maximum x coord of the area.
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* @param yMin Minimum y coord of the area.
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* @param yMax Maximum y coord of the area.
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* @param heights A vector into which height data will be placed. This should preferably already have a capacity reserved.
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*/
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virtual void blitHeights(int xMin, int xMax, int yMin, int yMax, std::vector<float>& heights) const = 0;
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};
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#endif /* EMBER_DOMAIN_IHEIGHTPROVIDER_H_ */
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