Ykkrosh
96a73bb580
Improve pathfinder performance by avoiding unnecessary grid recalculations. This was SVN commit r7806.
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/* Copyright (C) 2010 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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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*
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* 0 A.D. 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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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_ICMPTERRAIN
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#define INCLUDED_ICMPTERRAIN
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#include "simulation2/system/Interface.h"
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#include "simulation2/helpers/Position.h"
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#include "maths/FixedVector3D.h"
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class ICmpTerrain : public IComponent
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{
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public:
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virtual CFixedVector3D CalcNormal(entity_pos_t x, entity_pos_t z) = 0;
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virtual entity_pos_t GetGroundLevel(entity_pos_t x, entity_pos_t z) = 0;
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virtual float GetExactGroundLevel(float x, float z) = 0;
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/**
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* Call when the underlying CTerrain has been modified behind our backs.
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* (TODO: eventually we should manage the CTerrain in this class so nobody
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* can modify it behind our backs).
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*/
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virtual void ReloadTerrain() = 0;
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/**
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* Indicate that the terrain within the given region (inclusive lower bound,
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* exclusive upper bound) has been changed. CMessageTerrainChanged will be
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* sent to any components that care about terrain changes.
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*/
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virtual void MakeDirty(ssize_t i0, ssize_t j0, ssize_t i1, ssize_t j1) = 0;
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DECLARE_INTERFACE_TYPE(Terrain)
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};
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#endif // INCLUDED_ICMPTERRAIN
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