41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* Copyright (C) 2009 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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/*
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* forward declaration of Handle (reduces dependencies)
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*/
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#ifndef INCLUDED_HANDLE
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#define INCLUDED_HANDLE
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#include "lib/file/vfs/vfs_path.h"
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/**
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* `handle' representing a reference to a resource (sound, texture, etc.)
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*
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* 0 is the (silently ignored) invalid handle value; < 0 is an error code.
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*
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* this is 64 bits because we want tags to remain unique. (tags are a
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* counter that disambiguate several subsequent uses of the same
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* resource array slot). 32-bit handles aren't enough because the index
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* field requires at least 12 bits, thus leaving only about 512K possible
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* tag values.
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**/
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typedef i64 Handle;
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#endif // #ifndef INCLUDED_HANDLE
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