57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
/*
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This file is part of Warzone 2100.
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Copyright (C) 1999-2004 Eidos Interactive
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Copyright (C) 2005-2013 Warzone 2100 Project
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Warzone 2100 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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Warzone 2100 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 Warzone 2100; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/** @file
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* Allows querying which objects are within a given radius of a given location.
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*/
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#ifndef __INCLUDED_SRC_MAPGRID_H__
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#define __INCLUDED_SRC_MAPGRID_H__
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typedef std::vector<BASE_OBJECT *> GridList;
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typedef GridList::const_iterator GridIterator;
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// initialise the grid system
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extern bool gridInitialise(void);
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// shutdown the grid system
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extern void gridShutDown(void);
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// Reset the grid system. Called once per update.
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// Resets seenThisTick[] to false.
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extern void gridReset(void);
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/// Find all objects within radius.
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GridList const &gridStartIterate(int32_t x, int32_t y, uint32_t radius);
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/// Find all objects within radius.
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GridList const &gridStartIterateArea(int32_t x, int32_t y, uint32_t x2, uint32_t y2);
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// Isn't, but could be used by some cluster system. Don't really understand what cluster.c is for.
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/// Find all objects within radius where object->type == OBJ_DROID && object->player == player.
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GridList const &gridStartIterateDroidsByPlayer(int32_t x, int32_t y, uint32_t radius, int player);
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// Used for visibility.
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/// Find all objects within radius where object->seenThisTick[player] != 255.
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GridList const &gridStartIterateUnseen(int32_t x, int32_t y, uint32_t radius, int player);
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#endif // __INCLUDED_SRC_MAPGRID_H__
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