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70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
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// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef RY_FOG_OF_WAR_H
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#define RY_FOG_OF_WAR_H
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/**
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* Class to manage the fog of war over a continent
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* \author Matthieu 'Trap' Besson
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* \author Nevrax France
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* \date June 2004
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*/
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class IFogOfWar
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{
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protected:
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sint16 MapWidth, MapHeight; // Size of the map in pixel
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float MinX, MinY, MaxX, MaxY; // World Coords (same as continent ones)
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public:
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IFogOfWar();
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virtual ~IFogOfWar();
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// Must be implemented in derived class
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// Return a pointer to the data (array of uint8 of size RealWidth * RealHeight)
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// in this array 0 is unexplored place, 255 is explored
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virtual uint8 *getData() = 0;
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// Create the data containing the
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virtual bool createData(sint16 w, sint16 h) = 0;
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// Real width and real height can be different from MapWidth and MapHeight if the Data
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// containing the map is larger (next power of 2 for instance)
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virtual sint16 getRealWidth() { return MapWidth; }
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virtual sint16 getRealHeight() { return MapHeight; }
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// Explore a position
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void explore(float worldPosX, float worldPosY);
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// Callback if new explored pos (used to unlock info, upload texture to VRAM, etc...)
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virtual void explored(sint16 /* mapPosX */, sint16 /* mapPosY */) { }
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float getMinX() const { return MinX; }
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float getMinY() const { return MinY; }
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float getMaxX() const { return MaxX; }
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float getMaxY() const { return MaxY; }
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sint16 getMapWidth() const { return MapWidth; }
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sint16 getMapHeight() const { return MapHeight; }
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// Serialize the map
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void serial(class NLMISC::IStream &f) throw(NLMISC::EStream);
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};
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#endif
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