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https://github.com/DrBeef/Raze.git
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261af9e401
Made more efficient by basing the lookup on names, not strings and some additions for acting as a stand-in for Blood's resource manager.
97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
/*
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** file_lump.cpp
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**
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**---------------------------------------------------------------------------
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** Copyright 2009 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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**
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*/
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#include "resourcefile.h"
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#include "cmdlib.h"
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//==========================================================================
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//
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// Single lump
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//
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//==========================================================================
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class FLumpFile : public FUncompressedFile
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{
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public:
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FLumpFile(const char * filename, FileReader &file);
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bool Open(bool quiet);
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};
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//==========================================================================
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//
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// FLumpFile::FLumpFile
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//
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//==========================================================================
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FLumpFile::FLumpFile(const char *filename, FileReader &file)
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: FUncompressedFile(filename, file)
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{
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}
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//==========================================================================
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//
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// Open it
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//
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//==========================================================================
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bool FLumpFile::Open(bool quiet)
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{
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Lumps.Resize(1);
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Lumps[0].Owner = this;
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Lumps[0].Position = 0;
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Lumps[0].LumpSize = (int)Reader.GetLength();
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Lumps[0].Flags = 0;
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auto p = FileName.LastIndexOf('/');
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Lumps[0].LumpNameSetup(FileName.GetChars() + p);
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NumLumps = 1;
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return true;
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}
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//==========================================================================
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//
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// File open
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//
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//==========================================================================
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FResourceFile *CheckLump(const char *filename, FileReader &file, bool quiet)
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{
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// always succeeds
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FResourceFile *rf = new FLumpFile(filename, file);
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if (rf->Open(quiet)) return rf;
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file = std::move(rf->Reader); // to avoid destruction of reader
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delete rf;
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return NULL;
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}
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